| phenol-rich compounds sweet gel: a statistically more effective antibiotic than cloxacillin against pseudomonas aeruginosa. | the purpose of this study was to obtain a natural antibiotic from phenol-rich compounds; for the dressing and the treatment of chronic wounds. | 2016 | 27695634 |
| phytoremediation of abandoned crude oil contaminated drill sites of assam with the aid of a hydrocarbon-degrading bacterial formulation. | environmental deterioration due to crude oil contamination and abandoned drill sites is an ecological concern in assam. to revive such contaminated sites, afield study was conducted to phytoremediate four crude oil abandoned drill sites of assam (gelakey, amguri, lakwa, and borholla) with the aid of two hydrocarbon-degrading pseudomonas strains designated n3 and n4. all the drill sites were contaminated with 15.1 to 32.8% crude oil, and the soil was alkaline in nature (ph8.0-8.7) with low moistu ... | 2014 | 24933892 |
| study on antimicrobial potential of neem oil nanoemulsion against pseudomonas aeruginosa infection in labeo rohita. | presence of several biochemical constituents in neem makes it an efficient antimicrobial agent for pathogenic diseases. the current investigation was aimed to assess the therapeutic potential of neem nanoemulsion as a control measure for pseudomonas aeruginosa infection in freshwater fish labeo rohita. the median lethal concentration (lc50) for the neem oil and neem nanoemulsion was 73.9 and 160.3 mg/l, respectively. the biomarker enzymes of treated fish tissues showed a significant difference i ... | 2016 | 24502533 |
| leaf extract of azadirachta indica (neem): a potential antibiofilm agent for pseudomonas aeruginosa. | pseudomonas aeruginosa is well known for its ability to form biofilm on indwelling medical devices. these biofilms are difficult to remove because of their high tolerance to conventional antibiotics. therefore, there is a need to look for alternative agents such as medicinal plants, which can eradicate or inhibit biofilm effectively. this study evaluated the role of neem in inhibiting biofilm formation by p aeruginosa factors contributing to adherence and biofilm formation were also studied. res ... | 2013 | 23737302 |
| esolvent-free, enzyme-catalyzed biodiesel production from mango, neem, and shea oils via response surface methodology. | mango, neem and shea kernels produce non-conventional oils whose potentials are not fully exploited. to give an added value to these oils, they were transesterified into biodiesel in a solvent-free system using immobilized enzyme lipozyme from mucor miehei. the doehlert experimental design was used to evaluate the methyl ester (me) yields as influenced by enzyme concentration-ec, temperature-t, added water content-awc, and reaction time-rt. biodiesel yields were quantified by (1)h nmr spectrosco ... | 2015 | 26698315 |
| ethnobotanical and antimicrobial study of some selected medicinal plants used in khyber pakhtunkhwa (kpk) as a potential source to cure infectious diseases. | present investigation deals with antimicrobial screening of ten medicinally important plants used by the inhabitants of district haripur, khyber pakhtunkhwa (kpk) for different infectious diseases. | 2014 | 24708514 |
| docking studies for screening anticancer compounds of azadirachta indica using saccharomyces cerevisiae as model system. | plants have a long history of use in the treatment of cancer. plant-derived compounds have played an important role in the development of several clinically useful anticancer agents. in the recent years, more emphasis has been placed on identifying plant-derived compounds that can be used as an effective treatment for life-threatening diseases such as cancer. cancer is a disease where there is abnormal cell proliferation. the proliferation of the cancer cells are restrained by cdk/cyclin complex ... | 2014 | 24678207 |
| effect of neem (azadirachta indica a. juss) leaf extract on resistant staphylococcus aureus biofilm formation and schistosoma mansoni worms. | there are ethnopharmacological reports supporting the use of neem (azadirachta indica a. juss) leaf against bacterial and worm infections. however there is a lack of studies about its effect on bacterial biofilm formation and schistosoma mansoni worms. this study reports the in vitro effects of neem leaf ethanolic extract (neem ee) on methicillin-resistant staphylococcus aureus (mrsa) biofilm and planktonic aggregation formation, and against s. mansoni worms. | 2015 | 26408045 |
| intracellular, biofilm-inhibitory and membrane-damaging activities of nimbolide isolated from azadirachta indica a. juss (meliaceae) against meticillin-resistant staphylococcus aureus. | staphylococcus aureus is a leading aetiologic agent of nosocomial- and community-acquired infectious diseases worldwide. the public health concern regarding staphylococcal infections is inflated by the increasing occurrence of multidrug-resistant strains, e.g. multidrug- and meticillin-resistant s.aureus (mdr mrsa). this study was designed to evaluate the intracellular killing, membrane-damaging and biofilm-inhibitory activities of nimbolide isolated from azadirachta indica against mdr mrsa. in ... | 2016 | 27553840 |
| effects of some dietary crude plant extracts on the growth and gonadal maturity of nile tilapia (oreochromis niloticus) and their resistance to streptococcus agalactiae infection. | a 90-day feeding trial was conducted on the growth performance, feeding efficacy, body indices, various hematological and plasma biochemical parameters, and histopathological examination of the gonads from male and female nile tilapia fingerlings when fed different crude plant extracts from cinnamomum camphora, euphorbia hirta, azadirachta indica, or carica papaya at 2 g kg(-1) compared to a control diet. this was followed by a 14-day challenge to streptococcus agalactiae. all treatments were tr ... | 2016 | 26643907 |
| efficacy of specific plant products on microorganisms causing dental caries. | dental caries and periodontal diseases are the most common oral diseases seen globally, both in developed and developing countries. oral microorganisms that is gram positive and gram negative bacteria are known to be involved in causation of these diseases. nowadays commercially available dentrifices and mouth rinses are known to contain ingredients that can alter the oral microbial flora and have undesirable side effects such as vomiting, diarrhoea, disarrangement of oral, intestinal flora and ... | 2016 | 28209019 |
| the effect of different concentrations of water soluble azadirachtin (neem metabolite) on streptococcus mutans compared with chlorhexidine. | despite advances in the development of anticaries chemotherapy, the newer agents are unable to control the initiation of dental caries. research and development of natural antibacterial agents that are safe for the host as well as specific for oral pathogens is awaited. neem tree extracts have been used for thousands of years for maintaining overall well-being. chewing neem sticks in the morning is the most common indigenous method of cleaning the mouth in rural population. this has generated th ... | 2016 | 27080957 |
| comparison of efficacy of herbal disinfectants with chlorhexidine mouthwash on decontamination of toothbrushes: an experimental trial. | toothbrushes in regular use can become heavily contaminated with microorganisms, which can cause infection or reinfection. there is a need for toothbrush disinfection methods, which are rapidly effective, cost-effective, nontoxic, and that can be easily implemented. | 2017 | 27011928 |
| effect of traditionally used neem and babool chewing stick (datun) on streptococcus mutans: an in-vitro study. | there are various plants, which are used as chewing sticks in different parts of the world. several studies have been reported on the antimicrobial effects of chewing sticks on oral bacteria. this study was conducted to evaluate the effectiveness of traditionally used neem and babool chewing sticks (datun) extracts on streptococcus mutans. | 2014 | 25177629 |
| inhibition of dextransucrase activity in streptococcus mutans by plant phenolics. | streptococcus mutans is responsible for causing dental caries in humans and utilizes sucrose for its growth. the dextransucrase (ec 2.4.1.5) is responsible for sucrose metabolism, which exhibits both hydrolytic and glucosyltransferase activities. in this study, we examined the effects of the plant phenols, namely gallic, tannic and syringic acids and aqueous extracts of certain traditionally used chewing sticks (acacia arabica, azadirachta indica, pongamia pinnata and salvadora persica) for prev ... | 2013 | 23617074 |
| antimicrobial biosynthetic potential and genetic diversity of endophytic actinomycetes associated with medicinal plants. | endophytic actinomycetes are one of the primary groups that share symbiotic relationships with medicinal plants and are key reservoir of biologically active compounds. in this study, six selective medicinal plants were targeted for the first time for endophytic actinomycetes isolation from gibbon wild life sanctuary, assam, india, during winter and summer and 76 isolates were obtained. the isolates were found to be prevalent in roots followed by stem and leaves. 16s rrna gene sequence analysis r ... | 2015 | 26347302 |
| in vitro activity of neem (azadirachta indica) and cassava (manihot esculenta) on three pre-parasitic stages of susceptible and resistant strains of teladorsagia (ostertagia) circumcincta. | anthelmintic resistance of gastrointestinal nematodes is considered as one of the main limiting factors causing significant economic losses to the small ruminant industry. the anthelmintic properties of some plants are among the suggested alternative solutions to control these parasitic worms. the present study investigated the anthelmintic activity of neem (azadirachta indica) and cassava (manihot esculenta) leaf extracts against the susceptible and resistant strains of one of the most importan ... | 2012 | 22455724 |
| management of blight of bell pepper (capsicum annuum var. grossum) caused by drechslera bicolor. | sweet or bell pepper is a member of the solanaceae family and is regarded as one of the most popular and nutritious vegetable. blight, in the form of leaf and fruit blight, has been observed to infect bell pepper crops cultivated at the horticulture farm in rajasthan college of agriculture, udaipur, india. based on disease severity, we attempted to curb this newly emerged problem using different fungicides, plant extracts, bio-control agents, and commercial botanicals against the fungus in labor ... | 2017 | 27613104 |
| yield loss assessment due to alternaria blight and its management in linseed. | field experiments were conducted during 2010-11 and 2011-12 to assess the yield losses due to alternaria blight disease caused by alternaria lini and a. linicola in recently released cultivars and their management with the integration of trichoderma viride, fungicides and plant extract. disease severity on leaves varied from 41.07% (parvati) to 65.01% (chambal) while bud damage per cent ranged between 23.56% (shekhar) to 46.12% (t-397), respectively in different cultivars. maximum yield loss of ... | 2014 | 25911838 |
| chemopreventive effect of methanolic extract of azadirachta indica on experimental trypanosoma brucei induced oxidative stress in dogs. | the medicinal properties of azadirachta indica have been harnessed for many years in the treatment of many diseases in both humans and animals. | 2017 | 26130936 |
| antibacterial function of herbal extracts on growth, survival and immunoprotection in the black tiger shrimp penaeus monodon. | this study examined the effects of an herbal extract composed of nine herbs i.e aloe vera, andrographis pariculata, annona squamosa, azadirachta indica, citrus aurantifolia, coriandrum sativum, ocimum sanctum, ollium cepa and psidium guajava on growth, survival rate and immunoprotection against pathogenic vibrio harveyi in the tiger shrimp penaeus monodon. the petroleum ether, methanol and n-hexen extracts of different herbal plants were selected, processed and thoroughly mixed in equal proporti ... | 2017 | 28365386 |
| azadirachta indica (neem) leaf dietary effects on the immunity response and disease resistance of asian seabass, lates calcarifer challenged with vibrio harveyi. | the present study was aimed to address the possible evaluation of azadirachta indica (neem) leaf-supplemented diets on innate immune response in asian seabass, lates calcarifer fingerlings against vibrio harveyi infection. fish were fed for two weeks diets containing six graded levels of neem leaf at 0 g, 1 g, 2 g, 3 g, 4 g and 5 g per kg feed. fish fed neem leaf-supplemented diet displayed significant differences (p < 0.05) in weight gain, specific growth rate (sgr) and feed conversion ratio (f ... | 2013 | 23178500 |
| evaluation of medicinal plants and colloidal silver efficiency against vibrio parahaemolyticus infection in litopenaeus vannamei cultured at low salinity. | in shrimp aquaculture, reduction in the use of synthetic antibiotics is a priority due to the high incidence of resistant bacteria (vibrio) in the white shrimp litopenaeus vannamei. an increasing number of studies show bactericidal activity of natural treatments in aquaculture. the effectiveness of neem (azadirachta indica) and oregano (lippia berlandieri) aqueous extracts and colloidal silver against v. parahaemolyticus were evaluated in low salinity shrimp culture. results show that aqueous ex ... | 2016 | 27901504 |
| antibacterial activity of neem nanoemulsion and its toxicity assessment on human lymphocytes in vitro. | neem (azadirachta indica) is recognized as a medicinal plant well known for its antibacterial, antimalarial, antiviral, and antifungal properties. neem nanoemulsion (ne) (o/w) is formulated using neem oil, tween 20, and water by high-energy ultrasonication. the formulated neem ne showed antibacterial activity against the bacterial pathogen vibrio vulnificus by disrupting the integrity of the bacterial cell membrane. despite the use of neem ne in various biomedical applications, the toxicity stud ... | 2015 | 26491309 |
| molecular docking based screening of neem-derived compounds with the ns1 protein of influenza virus. | different strains of influenza virus are affecting a large number of people worldwide to combat with influenza virus destruction, numerous synthetic antiviral medicines are available for influenza virus in the market. but still there was a need for the development of drug which will target all the strains of influenza virus. for this purpose conserved residues within the influenza virus ns1 protein have been found by aligning all the available sequences of existing strains from the national cent ... | 2015 | 26339153 |
| neem (azadirachta indica): towards the ideal insecticide? | pesticide resistance is going to change rapidly our antibiotics and insecticides arsenal. in this scenario, plant-derived natural products are considered valuable candidates to reverse this negative trend. growing research attention is focused on neem (azadirachta indica, meliaceae), exploring the utility of its products as insecticides and antibiotics. in this review, we summarised the knowledge on neem oil and neem cake by-products in arthropod pest control, with special reference to mosquito ... | 2017 | 27687478 |
| effect of natural compounds on fusarium graminearum complex. | a search is underway for new solutions to counter farm loss caused by fungal contamination of grains, since the active agents of fungicides can remain in the environment and contribute to the development of resistant and toxigenic species. in this study, the antifungal activity of natural compounds (γ-oryzanol, phenolic extract of neem seeds and of rice bran) was assessed on three toxigenic strains of fusarium graminearum isolated from wheat, rice and barley. their efficacy was compared to that ... | 2016 | 26699689 |
| the neem [azadirachta indica a. juss (meliaceae)] oil reduction in the in vitro production of zearalenone by fusarium graminearum. | zearalenone, a mycotoxin produced by fungi of the genus fusarium, including f. graminearum, triggers reproduction disorders in certain animals and hyperestrogen syndromes in humans. current research investigates three concentrations of neem oil extract (0.1, 0.25 and 0.5%) in reducing the production of zearalenone. neem oil extract decreased zearalenone amount in the three concentrations but highest inhibition (59.05%) occurred at 0.1%. | 2011 | 24031683 |
| field evaluation of a botanical formulation from the milky mangrove excoecaria agallocha l. against helicoverpa armigera hübner. in abelmoschus esculentus (lady's finger) and cajanus cajan (pigeon pea). | to evaluate a formulation from the milky mangrove tree excoecaria agallocha l. (e. agallocha) against helicoverpa armigera hubner (h. armigera). | 2014 | 25312115 |
| an ethnobotanical study of indigenous knowledge on medicinal plants used by the village peoples of thoppampatti, dindigul district, tamilnadu, india. | this study provides significant ethnopharmacological information, both qualitative and quantitative on medicinal plants in the thoppampatti village, dindigul district, tamilnadu, india. there is urgency in recording such data to conserve the traditional medicinal plants. this is the first ethnobotanical study which records the traditional important medicinal plants of thoppampatti village. to collect, analyze and evaluate the ethnopharmacologic knowledge in thoppampatti village in order to prote ... | 2014 | 24583241 |
| phytoremediation potential of chromium-containing tannery effluent-contaminated soil by native indian timber-yielding tree species. | twenty-six native indian tree species that are used for the enhanced tree cover program of the forest department (government of tamilnadu, india) were screened for phytoremediation of tannery effluent-contaminated soil containing high chromium content. out of 26 tree species tested, 10 timber-yielding tree species were selected for further phytoremediation monitoring. after a series of treatments with tannery effluent sludge, the chromium content was measured in the plant parts. the saplings of ... | 2016 | 26177918 |
| [nutrient accumulation and cycling in pure and mixed plantations of azadirachta indica and acacia auriculiformis in a dry-hot valley, yunnan province, southwest china]. | to ease the implementation of effective nutrient management for plantations with different vegetation restoration patterns and to assist in the selection of appropriate species and forestation patterns, nutrient (n, p, k, ca and mg) accumulation and cycling were investigated and compared in three plantations (10-year-old azadirachta indica, acacia auriculiformis and mixed a. indica--a. auriculiformis plantations) in yuanmou valley, a dry-hot valley of yunnan province, southwestern china. the res ... | 2014 | 25345036 |
| extractives of seeds of the meliaceae: effects onspodoptera frugiperda (j.e. smith),acalymma vittatum (f.), andartemia salina leach. | hexane and ethanol extracts of seeds from 22 species of plants of the family meliaceae from a number of countries were prepared. the extracts were submitted to antifeedant and toxicity bioassays utilizing fall armyworm [spodoptera frugiperda (j.e. smith)] (lepidoptera: noctuidae) larvae and striped cucumber beetle [acalymma vittatum (f.)] (coleoptera: chrysomelidae) adults. toxicity tests were also performed with brine shrimp,anemia salina leach. feeding inhibition and mortality produced by some ... | 1987 | 24301362 |
| antibacterial activity of aqueous extracts of indian chewing sticks on dental plaque: an in vitro study. | the anti-microbial efficacy of aqueous extracts of indian chewing sticks against different kinds of plaque bacteria in vitro was investigated. supra-gingival plaque is cultured and subjected to the antibacterial activity of the aqueous extracts of chewing sticks (neem, acacia, pongamia glabra, achyranthes aspera, streblus asper) separately. the results of the study demonstrate that all the five chewing sticks under study possess inhibitory potential against bacteria present in dental plaque main ... | 2014 | 25210357 |
| immunomodulatory and therapeutic potentials of herbal, traditional/indigenous and ethnoveterinary medicines. | herbs/botanical plants are considered as god's gift to human beings in the form of natural medicines, like the one well known "sanjeevani booti" described in hindu mythology. the traditional and ethno-veterinary practices have been in use for centuries, transferring the knowledge from generation to generation and they are accessible, easy to prepare and administer, with little or no cost at all. even though the modern developments in therapeutic field brought about a rapid decline in traditional ... | 2012 | 24175417 |
| evaluation of the susceptibility of the pea aphid, acyrthosiphon pisum, to a selection of novel biorational insecticides using an artificial diet. | an improved technique was developed to assay the toxicity of insecticides against aphids using an artificial diet. the susceptibility of the pea aphid acyrthosiphon pisum (harris) (hemiptera: aphidoidea) was determined for a selection of novel biorational insecticides, each representing a novel mode of action. flonicamid, a novel systemic insecticide with selective activity as feeding blocker against sucking insects, showed high toxicity against first-instar a. pisum nymphs with an lc(50) of 20. ... | 2009 | 20053120 |
| efficacy of thai neem oil against aedes aegypti (l.) larvae. | trees with larvicidal activity may be found in thailand. we conducted this study to evaluate the efficacy and length of efficacy of thai neem (azadirachta siamensis) oil emulsion and an alginate bead of thai neem oil formulation against early fourth stage aedes aegypti larvae using a dipping test. the thai neem oil emulsion had significantly greater larvicidal activity than the alginate bead formulation at 12 to 60 hours post-exposure (p < 0.01). the thai neem oil formulation resulted in 100% mo ... | 2016 | 27405123 |
| characterization and mosquitocidal potential of neem cake-synthesized silver nanoparticles: genotoxicity and impact on predation efficiency of mosquito natural enemies. | mosquitoes (diptera: culicidae) serve as important vectors for a wide number of parasites and pathogens of huge medical and veterinary importance. aedes aegypti is a primary dengue vector in tropical and subtropical urban areas. there is an urgent need to develop eco-friendly mosquitocides. in this study, silver nanoparticles (agnp) were biosynthesized using neem cake, a by-product of the neem oil extraction from the seed kernels of azadirachta indica. agnp were characterized using a variety of ... | 2016 | 26573518 |
| synthesis of silver nanoparticles from azadirachta indica--a most effective method for mosquito control. | mosquitoes transmit major communicable diseases such as dengue, malaria, filariasis, japanese encephalitis, chikungunya, and so on. vector control is important in epidemic disease situations as there is an urgent need to develop new and improved mosquito control methods that are economical and effective yet safe for non-targeted organisms. in the present study, silver nanoparticles (agnps) were synthesized from the aqueous leaf extract of neem plant (azadirachta indica), and their effects on mos ... | 2015 | 25226837 |
| studies on repellent activity of seed oils alone and in combination on mosquito, aedes aegypti. | the study was undertaken to investigate the relative repellency of pongamia pinnata and azadirachta indica seed oils on vector mosquito, aedes aegypti under laboratory conditions. the repellents were formulated into 3 groups: seed oils, their mixture and combination of seed oils with three carrier oils viz. olive, mustard and coconut oil. different formulations of each oil were tested at the concentrations of 1% and 5% on human baits. efficiency was assessed, based on the total protection time; ... | 2014 | 25204067 |
| insecticidal and biting deterrent activity of rose-scented geranium (pelargonium spp.) essential oils and individual compounds against stephanitis pyrioides and aedes aegypti. | rose-scented geranium, pelargonium spp., essential oils from the cultivars 'bourbon', 'china', 'egypt', 'rober's lemon rose' and 'frensham' were analyzed by gc-fid and gc-ms. a total of 136 compounds were identified from five essential oils, constituting 85.5-99.7% of the oils. essential oils and pure compounds were evaluated for their insecticidal activity against stephanitis pyrioides and larvicidal and biting deterrent activity against aedes aegypti. | 2013 | 23423995 |
| insecticide susceptibility status in three medically important species of mosquitoes, anopheles stephensi, aedes aegypti and culex quinquefasciatus, from bruhat bengaluru mahanagara palike, karnataka, india. | development of resistance among mosquito vectors of diseases is of growing concern in many countries of the subtropics, including much of india. the distributions of susceptibility/resistance to insecticides are scarcely recorded and are unknown in many parts of india. this manuscript reports the susceptibility status among strains of anopheles stephensi, aedes aegypti and culex quinquefasciatus collected from different geographical areas of bruhat bengaluru mahanagara palike (bbmp), karnataka, ... | 2013 | 22926921 |
| larvicidal & emergence inhibitory activities of neemazal t/s 1.2 per cent ec against vectors of malaria, filariasis & dengue. | vector control, using agents of chemical origin, continues to be practiced in the control of vector borne diseases. however, due to some drawbacks including lack of selectivity, environmental contamination, and emergence and spread of vector resistance, development of natural products for vector control has been a priority in this area. in the present study we evaluated the larvicidal and emergence inhibitory activities of a neem based formulation neem azal t/s 1.2 per cent ec against the vector ... | 2009 | 19797810 |
| susceptibility of aedes aegypti and culex quinquefasciatus larvae to gedunin-related limonoids. | the major non-azadirachtin limonoids such as gedunin (1), epoxyazadiradione (3), nimbocinol (4), and nimolicinol (5) from azadirachta indica a. juss ('neem') and their derivatives were evaluated for their toxic action against fourth instar larvae of aedes aegypti l. and culex quinquefasciatus say. gedunin exhibited 100% toxic action against both the mosquito larvae at 50 and 10 ppm. epoxyazadiradione and epoxynimolicinol also showed significant toxicities (> or =50%) against larvae of both mosqu ... | 2009 | 19551731 |
| variation of major limonoids in azadirachta indica fruits at different ripening stages and toxicity against aedes aegypti. | the azadirachtin, salannin, nimbin, deacetylnimbin, azadiradione and epoxyazadiradione contents were determined by hplc in the fractions prepared from the kernel of neem fruits (azadirachta indica) collected at different ripening stages. the fully mature fruit (yellow fruits) kernels contained the highest concentration of azadirachtin, nimbin and salannin, whereas the concentration of azadiradione (nc) and epoxyazadiradione (nl) was high in the unripe green berries. the toxicity of the fractions ... | 2009 | 19475987 |
| larvicidal activity of neem and karanja oil cakes against mosquito vectors, culex quinquefasciatus (say), aedes aegypti (l.) and anopheles stephensi (l.). | larvicidal effect of neem (azadirachta indica) and karanja (pongamia glabra) oil cakes (individuals and combination) was studied against mosquito species. both the oil cakes showed larvicidal activity against the mosquito species tested. the combination of neem and karanja oil cakes in equal proportion proved to have better effect than the individual treatments. the combination of the two oil cakes recorded an lc95 of 0.93, 0.54 and 0.77% against the mosquitoes, culex quinquefasciatus, aedes aeg ... | 2008 | 18831329 |
| larvicidal action of ethanolic extracts from fruit endocarps of melia azedarach and azadirachta indica against the dengue mosquito aedes aegypti. | ethanolic extracts from the kernels of ripe fruits from the indian lilac melia azedarach and from the well-known neem tree, azadirachta indica were assayed against larvae of aedes aegypti, the mosquito vector of dengue fever. the lethality bioassays were carried out according to the recommendations of the world health organization. extracts were tested at doses ranging from 0.0033 to 0.05 g% in an aqueous medium for 24 and 48 h, at 25 or 30 degrees c, with or without feeding of the larvae. lc50, ... | 2004 | 15530964 |
| laboratory evaluation of methanolic extract of atlantia monophylla (family: rutaceae) against immature stages of mosquitoes and non-target organisms. | methanolic extracts of the leaves of atlantia monophylla (rutaceae) were evaluated for mosquitocidal activity against immature stages of three mosquito species, culex quinquefasciatus, anopheles stephensi, and aedes aegypti in the laboratory. larvae of cx. quinquefasciatus and pupae of an. stephensi were found more susceptible, with lc50 values of 0.14 mg/l and 0.05 mg/l, respectively. insect growth regulating activity of this extract was more pronounced against ae. aegypti, with ei50 value 0.00 ... | 2004 | 15057359 |
| learning and memory in the mosquito aedes aegypti shown by conditioning against oviposition deterrence. | oviposition site choice by female mosquitoes, aedes aegypti (l) (diptera: culicidae), was affected by rearing them in water treated with 0.016% of the repellent mozaway trade mark containing citronella and neem. given a choice between a bowl of repellent-treated and a bowl of untreated water, ae. aegypti reared in untreated water strongly preferred to oviposit on the clean water (93-98%) instead of repellent-treated water. this demonstrates effective deterrence of oviposition by dilute mozaway t ... | 2003 | 14651662 |
| two insecticidal tetranortriterpenoids from azadirachta indica. | two new triterpenoids, 6 alpha-o-acetyl-7-deacetylnimocinol [24,25,26,27-tetra-norapotirucalla-(apoeupha)-6 alpha-acetoxy-7 alpha-hydroxy-1,14,20,22-tetraen-21,23-epoxy-3-one] (1) and meliacinol [24,25,26,27-tetranorapotirucalla-(apoeupha)-1 alpha-trimethylacryloxy-21,23-6 alpha,28-diepoxy-16-oxo-17-oxa-14,20,22-trien-3 alpha,7 alpha-diol] (2) were isolated from the methanolic extract of the fresh leaves of azadirachta indica (neem). their structures have been elucidated through spectral studies ... | 2000 | 10703059 |
| efficacy of neem oil-water emulsion against mosquito immatures. | neem oil-water emulsion was used in mosquito breeding habitats to find out its larvicidal effect on immatures of different mosquito species. application of 5% neem oil-water emulsion @ 50 ml/sq m in pools and @ 100 ml/sq m in tanks resulted in 100% reduction of iii and iv instar larvae of an. stephensi after 24 h while, against cx. quinquefasciatus it was 51.6 and 91.2% reduction in the larval density after day 1 and 14 respectively. similarly, application of 10% emulsion in desert coolers again ... | 1998 | 10319557 |
| control of mosquito breeding using wood scrapings treated with neem oil. | wood scrapings were given shape of a ball and soaked in 5, 10 and 20% neem (azadirachta indica) oil diluted in acetone. control of anopheles stephensi and aedes aegypti breeding in water storage overhead tanks (ohts) with the application of these balls was achieved for 45 days. two balls soaked in 5% neem oil produced the best results among other concentrations tested. | 1995 | 7589730 |
| the effect of neemazal on aedes aegypti (diptera: culicidae). | the effect of neemazal (trifolio-m gmbh, lahnau), a neem seed kernel extract, on larvae of aedes aegypti was tested. second, third and fourth instar larvae were reared in water containing different concentrations of neemazal. mortality rates and the stage in which mortality occurred were recorded. the surviving larvae were left in the treated water until adult emergence and the number of eggs laid by the emerged females was recorded in order to evaluate possible fecundity-reducing effect of subl ... | 1994 | 7812312 |
| toxicity and igr effect of two new neem products against aedes aegypti (pcsir strain). | crude extract and isolated compounds from neem, azadirachta indica and melia azedarach (meliaceae) are being tested in various countries. the present study deals with the effect of two new compounds and their parent fraction from the fresh winter neem leaves, isolated by siddiqui et. al., 1986. the lc50 of nfd is 0.58 ppm, nimocinolide 0.625 ppm and isonimocinolide 0.47 ppm. abnormal larvae, pupae and intermediates were also found. | 1991 | 16414684 |
| larvicidal and ovideterrent properties of neem oil and fractions against the filariasis vector aedes albopictus (diptera: culicidae): a bioactivity survey across production sites. | neem seed oil (nso) of azadirachta indica (meliaceae) contains more than 100 determined biologically active compounds, and many formulations deriving from them showed toxicity, antifeedancy and repellence against a number of arthropod pests. however, it is widely known that botanical products can differ in their chemical composition and bioactivity, as function of the production site and production process. we used high-performance thin layer chromatography (hptlc) to investigate differences in ... | 2015 | 25327954 |
| shedding light on bioactivity of botanical by-products: neem cake compounds deter oviposition of the arbovirus vector aedes albopictus (diptera: culicidae) in the field. | industrial plant-borne by-products can be sources of low-cost chemicals, potentially useful to build eco-friendly control strategies against mosquitoes. neem cake is a cheap by-product of neem oil extraction obtained by pressing the seeds of azadirachta indica. neem products are widely used as insecticides since rarely induce resistance because their multiple mode of action against insect pests and low-toxicity rates have been detected against vertebrates. in this research, we used field bioassa ... | 2014 | 24337544 |
| neem cake: chemical composition and larvicidal activity on asian tiger mosquito. | new pesticides based on natural products are urgently needed, in consideration of their environmental care and lower collateral effects. neem oil, the main product obtained from azadiractha indica a. juss, commonly known as neem tree, is mainly used in medical devices, cosmetics and soaps, as well as important insecticide. manufacturing of neem oil first includes the collection of the neem seeds as raw material used for the extraction. neem cake is the waste by-product remaining after extraction ... | 2012 | 22422292 |
| toxic effects of neem cake extracts on aedes albopictus (skuse) larvae. | in order to investigate its insecticide potential, the neem cake methanol extract was first analyzed and then separated by different solvents. the high-performance liquid chromatography analysis showed that the neem cake methanol extract still contained relevant quantities of nortriterpenes. fractions of increasing polarity were obtained from the separation process: hexane fraction (hp), etoac fraction (ep), n-buoh fraction (bp), and aqueous fraction (wp). the activity of the fractions on aedes ... | 2010 | 20352448 |
| laboratory evaluation of mosquito repellents against aedes albopictus, culex nigripalpus, and ochierotatus triseriatus (diptera: culicidae). | four synthetic mosquito repellents (autan [10% kbr3023], ir3535 [7.5%], off! [15% deet], skinsations [7% deet]) and eight natural (primarily plant extracts and/or essential oils) product-based repellents (bite blocker [2% soybean oil], bygone, gone!, natrapel [10% citronella], neem aura, sunswat, mosquitosafe [25% geraniol], and repel [26% p-menthane-3,8-diol]) were tested in the laboratory against aedes albopictus skuse, culex nigripalpus theobald, and ochlerotatus triseriatus (say). when estim ... | 2004 | 15311467 |
| the effects of phytochemical pesticides on the growth of cultured invertebrate and vertebrate cells. | a range of cultured cells of invertebrate and vertebrate origin was grown in the presence of a number of phytochemical pesticides to test the effect of the latter on cell proliferation. the main observation was that azadirachtin was a potent inhibitor of insect cell replication, with an ec50 of 1.5 x 10(10) m against spodoptera cells and of 6.3 x 10(9) m against aedes albopictus cells, whilst affecting mammalian cells only at high concentrations (> 10(-4) m). as expected, the other phytochemical ... | 2002 | 11975173 |
| repellent action of neem cream against mosquitoes. | neem cream was used as mosquito repellent to provide protection against aedes albopictus, ae. aegypti, culex quinquefasciatus, anopheles culicifacies and an. subpictus mosquitoes. the application of neem cream on exposed body parts @2.0 gm/person showed 78 (range 65-95), 89 (range 66-100) and 94.4 (range 66-100) per cent protection against aedes, culex and anopheles mosquitoes respectively. significant difference was observed between neem cream treated and untreated group of population for aedes ... | 1995 | 7589727 |
| useful ethnophytomedicinal recipes of angiosperms used against diabetes in south east asian countries (india, pakistan & sri lanka). | this paper is based on data recorded from various literatures pertaining to ethnophytomedicinal recipes used against diabetes in south east asia (india, pakistan and srilanka). traditional plant treatments have been used throughout the world for the therapy of diabetes mellitus. in total 419 useful phytorecipes of 270 plant species belonging to 74 angiospermic families were collected. from the review it was revealed that plants showing hypoglycemic potential mainly belong to the families, cucurb ... | 2014 | 25176368 |
| ethnopharmacological survey of medicinal plants used by indigenous and tribal people in rangamati, bangladesh. | there is very limited information regarding plants used by traditional healers in rangamati, bangladesh, for treating general ailments. current study provides significant ethnopharmacological information, both qualitative and quantitative on medical plants in rangamati. | 2012 | 23064284 |
| botanicals to control soft rot bacteria of potato. | extracts from eleven different plant species such as jute (corchorus capsularis l.), cheerota (swertia chiraita ham.), chatim (alstonia scholaris l.), mander (erythrina variegata), bael (aegle marmelos l.), marigold (tagetes erecta), onion (allium cepa), garlic (allium sativum l.), neem (azadiracta indica), lime (citrus aurantifolia), and turmeric (curcuma longa l.) were tested for antibacterial activity against potato soft rot bacteria, e. carotovora subsp. carotovora (ecc) p-138, under in vitr ... | 2012 | 22701096 |
| mass attenuation coefficients of x-rays in different medicinal plants. | the mass attenuation coefficients of specific parts of several plants, (fruits, leaves, stem and seeds) often used as medicines in the indian herbal system, have been measured employing nai (ti)) detector. the electronic setup used is a nai (ti) detector, which is coupled to mca for analysis of the spectrum. a source of (241)am is used to get x-rays in the energy range 8-32kev from cu, rb, mo, ag and ba targets. in the present study, the measured mass attenuation coefficient of ocimum sanctum, c ... | 2010 | 19910203 |
| large scale screening of ethnomedicinal plants for identification of potential antibacterial compounds. | the global burden of bacterial infections is very high and has been exacerbated by increasing resistance to multiple antibiotics. antibiotic resistance leads to failed treatment of infections, which can ultimately lead to death. to overcome antibiotic resistance, it is necessary to identify new antibacterial agents. in this study, a total of 662 plant extracts (diverse parts) from 222 plant species (82 families, 177 genera) were screened for antibacterial activity using the agar cup plate method ... | 2016 | 26985889 |
| ethnomedicinal plants used to treat skin diseases by tharu community of district udham singh nagar, uttarakhand, india. | tharu community is the largest primitive indigenous community of the uttarakhand, india. in this article we have scientifically enumerated medicinal plants and herbal preparations used by the tharu community to treat various skin diseases, and discussed dermatological properties of these plants in the light of previous ethnomedicinal, microbiological, pharmacological, toxicological, phytochemical and clinical studies. | 2014 | 25448505 |
| anti-juvenile activity of azadirachta indica extract on the development and morphometry of filaria vector, culex quinquefasciatus (diptera: culicidae) say. | efficacy of extracts of ageratum conyzoides, argemone mexicana, and azadirachta indica were tested against culex quinquefasciatus larvae. petroleum ether extracts of a. conyzoides and a. mexicana with lc(50) values 425.60 and 267.90 ppm and 140.15 and 137.70 ppm after a period of 24 and 48 h, respectively, were found effective. however, the methanol extract of a. indica with lc(50) values 21.95 and 11.30 ppm after 24 and 48 h of exposure, respectively, was the most competent larvicide. the metha ... | 2009 | 19562375 |
| foliar residue dynamics of azadirachtins following direct stem injection into white and green ash trees for control of emerald ash borer. | azadirachtins are natural insecticides derived from the neem tree. the emerald ash borer (eab) is an exotic invasive insect pest that infests various ash tree species and has the potential for significant economic, aesthetic and ecological impacts throughout north america. the initial translocation and foliar residue dynamics of azadirachtins were examined following direct injection into white and green ash trees growing in urban scenarios as a potential control for eab. | 2011 | 21567888 |
| environmental safety to decomposer invertebrates of azadirachtin (neem) as a systemic insecticide in trees to control emerald ash borer. | the non-target effects of an azadirachtin-based systemic insecticide used for control of wood-boring insect pests in trees were assessed on litter-dwelling earthworms, leaf-shredding aquatic insects, and microbial communities in terrestrial and aquatic microcosms. the insecticide was injected into the trunks of ash trees at a rate of 0.2 gazadirachtin cm(-1) tree diameter in early summer. at the time of senescence, foliar concentrations in most (65%) leaves where at or below detection (<0.01 mg ... | 2011 | 21531021 |
| restoration of degraded soil in the nanmangalam reserve forest with native tree species: effect of indigenous plant growth-promoting bacteria. | restoration of a highly degraded forest, which had lost its natural capacity for regeneration, was attempted in the nanmangalam reserve forest in eastern ghats of india. in field experiment, 12 native tree species were planted. the restoration included inoculation with a consortium of 5 native plant growth-promoting bacteria (pgpb), with the addition of small amounts of compost and a chemical fertilizer (npk). the experimental fields were maintained for 1080 days. the growth and biomass varied d ... | 2016 | 27195310 |
| effect of textile industrial effluent on tree plantation and soil chemistry. | a field study was conducted at arid forest research institute to study the effect of textile industrial effluent on the growth of forest trees and associated soil properties. the effluent has high ph, electrical conductivity (ec), sodium adsorption ratio (sar) and residual sodium carbonate (rsc) whereas the bivalent cations were in traces. eight months old seedlings of acacia nilotica, acacia tortilis, albizia lebbeck, azadirachta indica, parkinsonia aculeata and prosopis juliflora were planted ... | 2001 | 11480353 |
| medicinal plants used to treat tb in ghana. | the current study was designed to document medicinal plant species that are traditionally used to treat tuberculosis (tb) by ghanaian communities. | 2015 | 26972879 |
| diversity of flora used for the cure of equine diseases in selected peri-urban areas of punjab, pakistan. | plants have widely been used and documented for their therapeutic potential in many parts of the world. there are, however, few reports on the use of plants for the treatment of diseases of equines. to this end, participatory epidemiology and rapid rural appraisal techniques were used to document the plants having pharmacotherapeutic significance against different ailments of equines in selected population of punjab, pakistan. | 2013 | 24283263 |
| sunlight decreased genotoxicity of azadirachtin on root tip cells of allium cepa and eucrosia bicolor. | utilization of neem plant (azadirachta indica a. juss) extract for pest control in agriculture has raised concerns over contamination by the residues to the environment. such residues, particularly azadirachtin (aza), may cause deleterious effect to non-target organisms. this investigation was conducted to find out if aza could be inactivated through exposures to sunlight. activity of aza was assessed as its ability to cause cytotoxic and genotoxic effects in the forms of nuclei abnormality and ... | 2010 | 20452021 |
| cytotoxic and genotoxic effects of aqueous extracts of five medicinal plants on allium cepa linn. | the cytotoxic and genotoxic effects of aqueous extracts of five medicinal plants: azadirachta indica (a. juss), morinda lucida (benth.), cymbopogon citratus (dc stapf.), mangifera indica (linn.) and carica papaya (linn.) was evaluated using the allium cepa assay. the extracts were prepared with tap water as practised locally. onion bulbs were exposed to 1, 5, 10, 25 and 50%; and 1, 2.5, 5, 10 and 20% concentrations (v/v) of each of the extracts for macroscopic and microscopic analyses, respectiv ... | 2007 | 17572030 |
| quantitative ethnomedicinal survey of medicinal plants given for cardiometabolic diseases by the non-institutionally trained siddha practitioners of tiruvallur district, tamil nadu, india. | the burden of cardiometabolic diseases such as dyslipidemia, hyperglycemia, hypertension, visceral obesity and atherosclerotic cardiovascular diseases and the use of traditional medicine for the management of such diseases are high in india; hence there is a need to document and analyze such therapies. | 2016 | 27090346 |
| acaricidal effect of herbal extracts against cattle tick rhipicephalus (boophilus) microplus using in vitro studies. | the crude methanolic extract of datura stramonium, azadirachta indica, and calotropis procera leaves, allium sativum (as) cloves, and carica papaya (cp) seeds collected from banaskanta, gujarat (india) was tested for its acaricidal properties against rhipicephalus (boophilus) microplus. the percent adult mortality within 15 days, reproductive index, percentage inhibition of oviposition, hatching of laid ova, and percentage larval mortality were studied at concentrations of 12.5, 25, 50, and 100 ... | 2014 | 24633906 |
| professional and consumer insecticides for management of adult japanese beetle on hybrid tea rose. | in many states, japanese beetle, popilliajaponica newman (coleoptera: scarabeidae), is no longer quarantined, and management is left to professional applicators and consumers. adult management in hybrid tea rose, rosa l., was compared among biorational insecticides, novel imidacloprid applications (tablet, gel, and root dip), and conventional insecticides. efficacy of biorational insecticides used by consumers varied widely and may not offer predictable management: mortality was 3.0% with garlic ... | 2007 | 17598545 |
| knockdown, residual, and antifeedant activity of pyrethroids and home landscape bioinsecticides against japanese beetles (coleoptera: scarabaeidae) on linden foliage. | residual toxicity and leaf protection capability of five pyrethroids, professional and home garden azadirachtin formulations, and six other bioinsecticides for the home landscape were evaluated against the japanese beetle, popillia japonica newman (coleoptera: scarabaeidae), on linden, tilia cordata l. capacity of intoxicated beetles to recover and subsequently feed and disperse also was evaluated to provide insight on activity characteristics of the different compounds. intact shoots were spray ... | 2007 | 17461070 |
| citronella as an insect repellent in food packaging. | of five commercial plant extracts (citronella, garlic oil, neem extract, pine oil, and pyrethrum), citronella was found to be effective in deterring the infestation of cartons containing muesli and wheat germ by red flour beetles. the chemical components were applied as part of a coating on the carton board. in an experimental set up that accelerates infestation over a 2 week period, citronella-treated cartons (0.2 g/m2 of carton board) reduced beetle infestation to approximately 50% of the leve ... | 2005 | 15913337 |
| effect of herbal hypoglycemic agents on oxidative stress and antioxidant status in diabetic rats. | in the present study the antioxidative potential ofmomordica charantia, azadirachta indica, allium sativum andocimum sanctum was assessed in streptozotocin induced diabetic rats. lipid peroxide levels were also measured in normal, diabetic and treated animals. malondialdehyde (mda) levels were significantly higher and antioxidant activity was found low in diabetic groups as compared to the control groups, and significant alteration in both the mda levels and antioxidant activity was also observe ... | 2003 | 23105386 |
| effect of volatiles from neem and other natural products on gonotrophic cycle and oviposition of anopheles stephensi and an. culicifacies (diptera: culicidae). | the gonotrophic cycle of female anopheles was impaired by exposure to volatiles of neem, (azadirachta indica), reetha, (sapindus mukorossi), and garlic, (allium sativum), but not to castor seeds and cotton seed oil. a brief exposure to contact or volatile extracts from neem suppressed rather than inhibited oviposition. complete inhibition of oviposition was observed by exposure of mosquitoes to neem oil and 1 fraction containing volatile components. vitellogenesis was impaired irreversably by lo ... | 1996 | 8742520 |
| complementary and alternative medicine for psoriasis: what the dermatologist needs to know. | complementary and alternative medicine (cam) use is common among patients with psoriasis. cam modalities include traditional chinese medicine (tcm), herbal therapies, dietary supplements, climatotherapy, and mind/body interventions. in this review, evidence from clinical trials investigating the efficacy of cam for psoriasis is reviewed. there is a large amount of evidence from controlled trials that have shown that the combination of tcm with traditional therapies for psoriasis is more efficaci ... | 2015 | 25904522 |
| effect of azadirachta indica (neem) and aloe vera as compared to subantimicrobial dose doxycycline on matrix metalloproteinases (mmp)-2 and mmp-9: an in-vitro study. | a critical outcome of periodontal diseases is degradation of collagen in the periodontal tissues, by enzymes such as matrix metallo-proteinases (mmps). doxycycline is known to down-regulate the activity of mmps. azadirachta indica (neem) and aloe vera are herbs known to have an anti-inflammatory effect. the present study was designed to evaluate the anti-inflammatory effect of neem and aloe vera by way of its inhibitory effect on mmp-2 and mmp-9 activity in cases of chronic periodontitis and com ... | 2014 | 25364206 |
| activated charcoal-mediated rna extraction method for azadirachta indica and plants highly rich in polyphenolics, polysaccharides and other complex secondary compounds. | high quality rna is a primary requisite for numerous molecular biological applications but is difficult to isolate from several plants rich in polysaccharides, polyphenolics and other secondary metabolites. these compounds either bind with nucleic acids or often co-precipitate at the final step and many times cannot be removed by conventional methods and kits. addition of vinyl-pyrollidone polymers in extraction buffer efficiently removes polyphenolics to some extent, but, it failed in case of a ... | 2013 | 23537338 |
| are biopolymers potential deodourising agents in wound management? | to investigate the odour-adsorbing properties of biopolymers, with a view to using the findings to develop a novel dressing with odour-adsorbing properties. | 2009 | 19827482 |
| treatment with a neem seed extract (mitestop®) of beetle larvae parasitizing the plumage of poultry. | beetles of the species alphitobius diaperinus, dermestes bicolor, and dermestes lardarius may transmit severe agents of diseases on poultry and may in addition harm as larvae the skin and feathers thus leading to severe economic losses. the present study deals with a control measurement using a neem seed extract (mitestop®) being diluted with tap water. it was shown that spraying of a 1:33 dilution kills both larvae and adults of these part-time parasites as was previously shown for other parasi ... | 2012 | 21750872 |
| acute renal failure induced by chinese herbal medication in nigeria. | traditional herbal medicine is a global phenomenon especially in the resource poor economy where only the very rich can access orthodox care. these herbal products are associated with complications such as acute renal failure and liver damage with a high incidence of mortalities and morbidities. acute renal failure from the use of herbal remedies is said to account for about 30-35% of all cases of acute renal failure in africa. most of the herbal medications are not usually identified, but some ... | 2015 | 26199625 |
| thrombolytic potential of ocimum sanctum l., curcuma longa l., azadirachta indica l. and anacardium occidentale l. | atherothrombotic diseases such as myocardial or cerebral infarction are serious consequences of the thrombus formed xin blood vessels. thrombolytic agents are used to dissolve the already formed clots in the blood vessels; however, these drugs have certain limitations which cause serious and sometimes fatal consequences. herbal preparations have been used since ancient times for the treatment of several diseases. the aim of this study was to investigate whether herbal preparations possess thromb ... | 2011 | 24826011 |
| on the antifeedant and anthellmintic potential of anacardium occidentale l. | the antifeedant and anthelmintic activities of crude extracts of the shells of anacardium occidentale were studied by comparing it's activity with the activity of azadirachta indica a juss (kernel), a commercial standard. the test extracts of a. occidentale in petroleum ether, dichloromethane: methanol showed better activities compared to a. indica. to study the anthelmintic activity, the addition of piperine to the formulation significantly enhances the activity. the phytochemical investigation ... | 1998 | 22556881 |
| bioactivity of phytochemicals in some lesser-known plants and their effects and potential applications in livestock and aquaculture production systems. | livestock and aquaculture production is under political and social pressure, especially in the european union (eu), to decrease pollution and environmental damage arising due to animal agriculture. the eu has banned the use of antibiotics and other chemicals, which have been shown to be effective in promoting growth and reducing environment pollutants because of the risk caused to humans by chemical residues in food and by antibiotic resistance being passed on to human pathogens. as a result of ... | 2007 | 22444893 |
| storage behavior of mango as affected by post harvest application of plant extracts and storage conditions. | the use of plant extracts could be a useful alternative to synthetic fungicides in the post harvest handling of fruits and vegetables. the aim of this study was to access the efficacy of extracts obtained from four plants (neem, pongamia, custard apple leaf and marigold flowers) on the extension of shelf life of mango fruits cv. dashehri under two storage conditions (cool store and ambient condition). the fruits were treated with 2 concentrations of each plant extracts (10 % and 20 %) were place ... | 2014 | 25328189 |
| comparative efficacy of annona squamosa linn. and pongamia glabra vent. to azadirachta indica a. juss against mosquitoes. | | 2005 | 16457387 |
| neem cake as a promising larvicide and adulticide against the rural malaria vector anopheles culicifacies (diptera: culicidae): a hptlc fingerprinting approach. | mosquitoes are insects of huge public health importance, since they act as vectors for important pathogens and parasites. here, we focused on the possibility of using the neem cake in the fight against mosquito vectors. the neem cake chemical composition significantly changes among producers, as evidenced by our hptlc (high performance thin layer chromatography) analyses of different marketed products. neem cake extracts were tested to evaluate the ovicidal, larvicidal and adulticidal activity a ... | 2017 | 27552943 |
| potential use of neem leaf slurry as a sustainable dry season management strategy to control the malaria vector anopheles gambiae (diptera: culicidae) in west african villages. | larval management of the malaria vector, anopheles gambiae giles s.s., has been successful in reducing disease transmission. however, pesticides are not affordable to farmers in remote villages in mali, and in other material resource poor countries. insect resistance to insecticides and nontarget toxicity pose additional problems. neem (azadirachta indica a. juss) is a tree with many beneficial, insect bioactive compounds, such as azadirachtin. we tested the hypothesis that neem leaf slurry is a ... | 2012 | 23270164 |
| green-synthesised nanoparticles from melia azedarach seeds and the cyclopoid crustacean cyclops vernalis: an eco-friendly route to control the malaria vector anopheles stephensi? | the impact of green-synthesised mosquitocidal nanoparticles on non-target aquatic predators is poorly studied. in this research, we proposed a single-step method to synthesise silver nanoparticles (ag np) using the seed extract of melia azedarach. ag np were characterised using a variety of biophysical methods, including uv-vis spectrophotometry, scanning electron microscopy, energy-dispersive x-ray spectroscopy and fourier transform infrared spectroscopy. in laboratory assays on anopheles steph ... | 2016 | 26679526 |
| a novel biopesticide ponneem to control human vector mosquitoes anopheles stephensi l. and culex quinquefasciatus say. | organophosphate pesticides are widely used in vector mosquito management and agricultural pest management. these chemicals enter into natural water bodies and soil and cause hazards to the environment. the objective of this study was to prepare a natural pesticide which will not harm the environment and yet control vector mosquitoes. ponneem, a novel biopesticide, patented and prepared from the oils of azadirachta indica and pongamia glabra, was tested against anopheles stephensi and culex quinq ... | 2015 | 25929457 |
| silver nanoparticles: a possibility for malarial and filarial vector control technology. | green synthesis technology is one of the rapid, reliable and best routes for the synthesis of silver nanoparticles (agnps). there are bioactive compounds with enormous potential in azadirachta indica (neem). the extraordinary mosquitoes warrant nanotechnology to integrate with novel molecules. this will be sustainable technology for future. here, we synthesized agnps using aqueous extracts of leaves and bark of az. indica (neem). we tested agnps as larvicides, pupicides and adulticides against t ... | 2014 | 25132567 |
| chromosomal inversions among insecticide-resistant strains of anopheles stephensi liston, a malaria mosquito. | polytene chromosomes were prepared from the ovarian nurse cells of semi-gravid females of ten insecticide-resistant strains of anopheles stephensi. altogether, 16 heterozygous paracentric inversions, namely b/+ (11d-16c) in alphamethrin; i/+ (14b-18a) and h/+ (27b-28a) in ddt; j/+ (14a-16b) in chlorpyrifos; k/+ (11d-16b) in cyfluthrin; l/+ (11a-16c) in deltamethrin; m/+ (14b-15c) and e/+ (32a-33b) in bifenthrin; n/+ (12d-14b), f/+ (33a-36a) and g/+ (33c-34a) in propoxur; o/+ (11a-12d), h/+ (37a- ... | 2013 | 23982309 |