Publications

TitleAbstractYear(sorted ascending)
Filter
PMID
Filter
conversion of human hexosaminidase a to hexosaminidase "b" by crude vibrio cholerae neuraminidase preparations: merthiolate is the active factor. 19744473220
some effects of ionophores for divalent cations on blood platelets. comparison with the effects of thrombin. 19744473225
repair of hepatic and splenic injuries by autoplastic peritoneal patches and butyl-2-cyanoacrylate monomer. an experimental study. 19744474571
dengue-4 virus variation in complement fixation test. 19744475026
foetal respiratory movements, electrocortical and cardiovascular responses to hypoxaemia and hypercapnia in sheep.1. foetal breathing movements, electrocortical activity, arterial pressure and heart rate were recorded continuously in chronically catheterized sheep, 97-145 days pregnant.2. with increasing gestational age there was a fall in heart rate of 0.67 beats/day and a rise in arterial pressure of 0.46 mmhg/day.3. hypoxaemia in the foetus was induced by allowing the ewe to breathe low oxygen mixtures, 9% o(2) with 3% co(2) in n(2). in the younger foetuses there was an initial rise in heart rate whereas ...19744475694
pathological observations of natural cases of feline lymphosarcomatosis. 19744479255
the mongolian gerbil as a model for lead toxicity. i. studies of acute poisoning.mongolian gerbils fed diets containing lead acetate maintained body weight comparable to gerbils fed the same diet without added lead. intranuclear lead inclusion bodies in epithelial cells of the proximal convoluted tubules of the kidney were first observed at 4 weeks, and increased in number to about 50 per high power field at 12 weeks. at this time, a corticomedullary area of empty-appearing tubules was prominent. transmission electron microscopy confirmed the increase in number and size of n ...19744366850
destruction of syngeneic tumors by tuberculin-stimulated peritoneal exudate cells from guinea pigs immunized to mycobacterium bovis (strain bcg). 19744367248
a new approach to the study of nucleotide sequences in dna: the analysis of termini formed by dnases. 19744368335
encephalomyocarditis virus infection of mouse plasmacytoma cells. ii. effect on host rna synthesis and rna polymerases.the effect of encephalomyocarditis virus infection of mopc 460 mouse plasmacytoma cells on host rna synthesis and rna polymerases was investigated. consistent with work performed in other virus host systems, rates of rna synthesis appeared to be inhibited in infected cells, whereas rna degradation appeared normal. these results were further extended with isolated nuclei, in which distinct rna polymerase activities could be studied under conditions where problems with rna turnover and endogenous ...19744368675
enzymatic methods for sequence analysis applied to dna restriction and methylation sites. 19744368687
herpesviruses and cancer. 19744368769
significance of respiratory virus isolations. a study in primary schoolchildren. 19744369170
lipoprotein lipase: comparative properties of the membrane-supported and solubilized enzyme species. 19744370169
lipoprotein lipase: comparative properties of the membrane-supported and solubilized enzyme species. 19744370169
the protective effects of nucleotides on the histamine hypersensitivity of bordetella pertussis-treated mice. 19744370493
comparative studies of viral infections of the developing forebrain. ii. electron microscopic studies of rat virus and bluetongue vaccine virus infections. 19744370666
haemin and nicotinamide adenine dinucleotide requirements of haemophilus influenzae and haemophilus parainfluenzae. 19744371115
plasma lipoproteins in patients with familial plasma lecithin: cholesterol acyltransferase (lcat) deficiency--studies on the apolipoprotein composition of isolated fractions with identification of lp-x. 19744371225
[biorhythms. i. circadian rhythms of concentration of paramagnetic centers in normal mouse liver]. 19744371533
the role of platelet membrane phospholipids in the platelet release reaction.the structure and function of the platelet surface was probed by phospholipase c (clostridium perfringens) which hydrolyzes membrane phospholipids, particularly phosphatidylcholine. platelet phospholipids were susceptible to phospholipase c, and extent of hydrolysis was dependent on concentration of phospholipase c and ca(++). phospholipase c (0.15 u/ml) with ca(++) (0.55 mm) hydrolyzed 15.6% phospholipids during 5 min. phospholipase c released platelet serotonin (5ht), adp, and platelet factor ...19744371563
the role of platelet membrane phospholipids in the platelet release reaction.the structure and function of the platelet surface was probed by phospholipase c (clostridium perfringens) which hydrolyzes membrane phospholipids, particularly phosphatidylcholine. platelet phospholipids were susceptible to phospholipase c, and extent of hydrolysis was dependent on concentration of phospholipase c and ca(++). phospholipase c (0.15 u/ml) with ca(++) (0.55 mm) hydrolyzed 15.6% phospholipids during 5 min. phospholipase c released platelet serotonin (5ht), adp, and platelet factor ...19744371563
fractionation and molecular weight determination of deoxyribonucleic acid fragments using agarose column chromatography. 19744371658
characterization of a rearrangement in viral dna: mapping of the circular simian virus 40-like dna containing a triplication of a specific one-third of the viral genome. 19744372358
avian tumor virus proteins and rna in uninfected chicken embryo cells.the content of proteins p19 and p15 (mol wt 19,000 and 15,000, respectively) of avian leukovirus in various types of uninfected chicken embryos has been determined by radioimmunoassay. all chicken embryos examined, including embryos which have thus far been classified as group specific (gs) antigen negative by complement fixation tests, contained these viral proteins as well as p27 as previously reported. the embryos known as "gs antigen-positive" type contained about five times as much of these ...19744372405
viable deletion mutants of simian virus 40: selective isolation by means of a restriction endonuclease from hemophilus parainfluenzae.resistance of simian virus 40 (sv40) dna to cleavage by hemophilus parainfluenzae ii (hpaii) restriction endonuclease has been used as a positive, in vitro selection for mutants lacking the one hpaii endonuclease-cleavage site of wild-type sv40 dna. each of 10 viable mutants isolated by this procedure multiplies significantly more slowly than wild-type virus and contains a small deletion (80 to 190 base pairs in size) of the region of the genome that includes the hpaii endonuclease-recognition s ...19744373732
kirromycin, an inhibitor of protein biosynthesis that acts on elongation factor tu.kirromycin, a new inhibitor of protein synthesis, is shown to interfere with the peptide transfer reaction by acting on elongation factor tu (ef-tu). all the reactions associated with this elongation factor are affected. formation of the ef-tu.gtp complex is strongly stimulated. peptide bond formation is prevented only when phe-trna(phe) is bound enzymatically to ribosomes, presumably because gtp hydrolysis associated with enzymatic binding of phe-trna(phe) is not followed by release of ef-tu.gd ...19744373734
role of cyclic adenosine 3':5'-monophosphate in the action of 1,1,1-trichloro-2,2-bis-(p-chlorophenyl)ethane (ddt)on hepatic and renal metabolism.the possibility whether alterations in the cyclic amp-adenylate cyclase-phosphodiesterase system play a role in the action of 1,1,1-trichloro-2,2-bis-(p-chlorophenyl)ethane (ddt) on hepatic and renal carbohydrate metabolism was investigated. administration of exogenous cyclic amp (10mg/100g) was found to mimic the action of ddt which enhanced the activities of pyruvate carboxylase, phosphoenolpyruvate carboxylase, fructose 1,6-diphosphatase and glucose 6-phosphatase in both liver and kidney cort ...19744374184
hemophilus aegyptius restriction edonuclease cleavage map of the simian virus 40 genome and its colinear relation with the hemophilus influenzae cleavage map of sv40. 19744374548
deletion mutants of simian virus 40 generated by enzymatic excision of dna segments from the viral genome. 19744374552
osmotically stable l forms of haemophilus influenzae and their significance in testing sensitivity to penicillins.the sensitivity of haemophilus influenzae to penicillins in vitro, determined either by serial antibiotic dilution in broth or by the disc method on agar, is apparently profoundly influenced by inoculum size if the results are read by macroscopic inspection. microscopic inspection of the growth, however, reveals that the turbidity in heavily inoculated broth containing concentrations higher than the minimal inhibitory concentration is the product of l forms which have failed to succumb to osmoti ...19744547629
electrophoretic study of 5-hydroxytryptophan decarboxylase from brain and liver in several species. 19744547785
marker rescue in haemophilus influenzae bacteriophage.rescue of wild-type markers from transfecting phage dna in cómpetent haemophilus influenzae cells by superinfection with temperature-sensitive phage (marker rescue) is approximately linearly dependent upon the concentration of transfecting dna. the amount of marker rescue with a constant amount of transfecting dna increases with increasing multiplicities of superinfecting phage up to about 4, and then decreases at higher multiplicities. host restriction of transfecting dna does not affect marker ...19744547799
accumulation of incomplete particles after uv-light induction of haemophilus influenzae lysogenic for bacteriophage hp1c1.temperate phage hp1c1 produces large quantities of incomplete phage-like particles when grown on haemophilus influenzae bc200, a strain apparently cured of a common defective prophage.19744547801
haemophilus influenzae pericarditis and empyema with thyroiditis in an adult. 19744547803
haemophilus influenzae. 19744547856
sensitivity patterns of respiratory type haemophilus influenzae from purulent sputum specimens. 19744547857
assessment of delayed skin sensitivity induced by freeze-dried japanese percutaneous bcg vaccine. 19744547866
acute epiglottitis. review of 55 cases and suggested protocol. 19744547960
ampicillin-resistant hemophilus influenzae: complacency ends. 19744548068
[experimental studies on minocycline intravenous infusion (author's transl)]. 19744548095
prevention of haemophilus influenzae type b disease in humans. 19744548185
the chemical and biological effects of cis-dichlorodiammineplatinum (ii), an antitumor agent, on dna.cis-dichlorodiammineplatinum (ii) binds irreversibly to the bases in dna; the amount of platinum complex bound can be determined from changes in the ultraviolet absorption spectrum. as the ratio of platinum to phosphate is increased, an increasing inactivation of bacterial transforming dna is observed. at a ratio that corresponds to spectrometric saturation, transforming activity is inactivated >10(5)-fold. the trans isomer of the platinum complex, which is not effective against tumors, induces ...19744548188
acute bacterial epiglottitis. 19744548444
letter: ampicillin resistance in haemophilus influenzae. 19744548485
hemophilus influenzae cellulitis: an overview of clinical manifestations and treatment. 19744548665
in vitro susceptibility of haemophilus influenzae to trimethoprim-sulfamethoxazole.thirty-four strains of haemophilus influenzae (20 ampicillin sensitive and 14 ampicillin resistant), mostly type b isolates from cerebrospinal fluid or blood, were tested for susceptibility to a combination of trimethoprim-sulfamethoxazole (tmp-smz) in a ratio of 1 part tmp to 19 parts smz. all strains were very susceptible to the tmp-smz combination, with minimal inhibitory concentrations ranging from 0.007-0.14 to 0.06-1.18 mug of tmp-smz per ml. there was little difference in the susceptibili ...19744548834
hemophilus influenzae septic arthritis in adults. report of a case and review of the literature. 19744548905
analysis of eucaryotic dnas with a restriction endonuclease from h. influenzae: isolation of "hidden" satellite dnas.the restriction enzymes from h.influenzae have been used to study various eucaryotic dnas. fractions resistant to the action of these enzymes have been isolated from rat, mouse and calf dnas. the method revealed the existence in rat of several components having the properties of satellite dnas. mouse dna was shown to contain a new satellite of buoyant density 1. 704. therefore, this appears to be a powerfull method for the isolation of "hidden" satellite dnas. calf satellite dnas rho = 1.705 and ...19744548936
acid-soluble breakdown of homologous deoxyribbonucleic acid adsorbed by haemophilus influenzae: its biological significance.competent bacteria of haemophilus influenzae strain rd were exposed to various kinds of radioactive deoxyribonucleic acid (dna) for short periods of time and at relatively low temperature. the fate of phage hp1 dna was studied most extensively. adsorbed dna was partially acid solubilized by lysogens and by nonlysogens with very similar kinetics. the biological activity of the dna decreased extensively in both lysogenic and nonlysogenic recipients. 2,4-dinitrophenol had no effect on the acid solu ...19744549063
interferon production and prevention of viral infections in mice by components of a mixed bacterial vaccine. 19744549161
the evaluation of a number of blood agar base culture media. 19744549316
the in vitro sensitivity of haemophilus influenzae to clindamycin. 19744549317
neuraminidase activity in human oral strains of haemophili. 19744549425
haemophilus influenzae meningitis in adults.haemophilus influenzae meningitis though common in childhood is rarely seen in the adult. during the past four years eight cases of h. influenzae meningitis have been seen in st. thomas's hospital and four of these were in patients over 20 years old. there was a possible predisposing condition in two patients. in each case there was difficulty in identification of the organism in the gram-stained film of the cerebrospinal fluid deposit.19744546008
ampicillin-resistant haemophilus influenzae type b infection. 19744546093
haemophilus influenzae type b resistant to ampicillin. a report of two cases. 19744546094
editorial: should ampicillin be abandoned for treatment of haemophilus influenzae disease? 19744546096
[frequency of occurrence of haemophilus influenzae in some laryngological diseases following surgical treatment (author's transl)]. 19744546125
letter: haemophilus influenzae meningitis in adults. 19744546140
bilateral, severe, sensori-neural hearing loss after haemophilus influenzae meningitis in childhood. 19744546313
mutation fixation in mnng-treated haemophilus influenzae as determined by transformation. 19744546326
letter: infections in asplenic adults. 19744546489
inhibition of penicillin transport from the cerebrospinal fluid after intracisternal inoculation of bacteria.the effect of intracisternal inoculation of bacteria on the choroid plexus system, which transports penicillin from cerebrospinal fluid (csf) to blood, was studied in vitro and in vivo. meningeal and choroid plexus inflammations as well as csf pleocytosis were induced in rabbits with intracisternal inoculations of hemophilus influenzae or staphylococcus aureus. at various times after bacterial inoculation, the choroid plexuses of the inoculated rabbits were removed and incubated in artificial cs ...19744546548
fate of donor deoxyribonucleic acid in a highly transformation-deficient strain of haemophilus influenzae.a transformation-deficient strain of haemophilus influenzae (efficiency of transformation 10(4)-fold less than that of the wild type), designated td24, was isolated by selection for sensitivity to mitomycin c. in its properties the mutant was equivalent to reca type mutants of escherichia coli. the td24 mutation was linked with the str-r marker (about 30%) and only weakly linked with the nov-r2.5 marker. the uptake of donor deoxyribonucleic acid (dna) was normal in the td24 strain, but no molecu ...19744546806
involvement of dna replication and repair in mutagenesis of haemophilus influenzae induced by n-nitrosocarbaryl. 19744546840
letter: ampicillin rash in infectious mononucleosis. 19744546848
separation and analysis of promoter sites in bacteriophage lambda dna by specific endonucleases. 19744546908
haemophilus influenzae: the relationship to upper respiratory tract infection. 19744547217
hemophilus influenzae b meningitis in identical twins of a triplet sibship. 19744547219
needle aspiration in hemophilus influenzae type b cellulitis. 19744547259
suppressor cells in the rabbit appendix. 19744547314
prevalence of bactericidal antibodies to haemophilus influenzae, type b. 19744547367
[activity of beta-lactam antibiotics against haemophilus influenzae]. 19744547520
integration and repair of ultraviolet-irradiated transforming deoxyribonucleic acid in haemophilus influenzae.the extent of association between donor transforming deoxyribonucleic acid (dna) and recipient dna in haemophilus influenzae as a function of ultraviolet (uv) dose to the transforming dna has been measured by isopycnic analysis of lysates of (3)h-labeled recipient cells exposed to dna labeled with (32)p and heavy isotopes. except for doses above 15,000 ergs/mm(2), the results of these measurements are in good agreement with previous estimates made by another technique. experiments with a mutant ...19744545328
the influence of methionine deprivation on restriction properties of haemophilus influenzae rd and ra strains. 19744545336
control elements in the dna of bacteriophage lambda. 19744545512
letter: haemophilus influenzae. 19744545542
epiglottitis--individualized management with steroids. 19744545548
nursing care study: meningitis-a paediatric emergency. 19744545569
proceedings: inhibition of k-induced contracture and ca movement in guinea pig taenia coli by caffeine. 19744545703
[isolation of haemophilus influenzae from patients with respiratory tract diseases]. 19744544584
infection and antibiotic usage at boston city hospital: changes in prevalence during the decade 1964-1973. 19744544686
letter: sensitivity of haemophilus influenzae to cephalosporins. 19744544819
generation of specific repeated fragments of eukaryote dna.calf-thymus dna, hydrolyzed with a site-specific endonuclease from haemophilus influenzae rd, yields 12 discrete bands on polyacrylamide-agarose gels. these range in size from 7.5 x 10(4) to 2 x 10(6) daltons, and they represent about 5% of the total dna with individual fragments comprising 0.1-1.5%. the various dna segments are repeated between 1500 and 220,000 times per haploid genome. whereas the wide range of reiteration frequencies suggests different origins for some of the fragments, the b ...19744525302
[histological aspects of dental pulp after resection of the inferior alveolar nerve in albino rats]. 19744527384
some aspects of the chemistry and biochemistry of membranes of gram-positive bacteria. 19744527977
[the effect of aet on isolated heart atria of rats]. 19744534807
manipulation of albino rats: an effect on reaction to cold. 19744492826
treatment of haemophilus influenzae meningitis. 19744499834
remission of acute myeloid leukemia: studies of in vitro colony formation by bone marrow cells.human bone marrow contains cells which form leukocyte colonies in semisolid culture media. each leukocyte colony arises from a single colony-forming cell which is thought to be a unipotential stem cell, and which is subject to regulation in vitro by colony-stimulating factor. in acute myelogenous leukemia variable abnormalities in colony formation by marrow cells occur. usually colony formation either fails to occur or the colonies that are formed are small and contain fewer than 50 cells. simil ...19744524532
host specificity of dna in haemophilus influenzae: similarity between host-specificity types of haemophilus influenzae re and rf. 19744545801
hemophilus influenzae pericarditis associated with meningitis. 19744545810
letter: mixed respiratory bacterial vaccines. 19744545811
the inhibition of haemophilus influenzae by certain agar and peptone preparations. 19744545831
editorial: haemophilus influenzae infections. 19744545853
host specificity of dna in haemophilus influenzae: the restriction and modification systems in strains rb and rf. 19744545904
dna fragments carrying genes for trnatyri. 19744545997
haemophilus influenzae meningitis in infant rats after intranasal inoculation. 19744590004
recent changes in bacterial resistance to antibiotics. 19744376234
Displaying items 2201 - 2300 of 35951