16,782 Artículos relativos a Bioensayos

• Purification, characterization and immunochemical properties of human chorionic gonadotropin.
  Publicado en Nature
• The effect of thiamine deficiency in rats and pigeons on the content of materials with acetylcholine-like activity in brain, heart and skeletal muscle.
  Publicado en Rev Can Biol
• Chick bioassay of lysine. II. Assay of fishmeals, meat meals, soyabean meals and groundnut meals.
  Publicado en Br Poult Sci
• Chick bioassay of lysine. I. Development of assay procedure.
  Publicado en Br Poult Sci
• An analysis of the chemical control of polarized form in hydra.
  Publicado en J Exp Zool
• Serum levels of methacycline.
  Publicado en Chemotherapy
• Enzymic assay for spermine and spermidine.
  Publicado en Anal Biochem
• A smooth muscle contracting substance in extracts of human umbilical cord.
  Publicado en J Pharm Pharmacol
• Distribution of folates in Ochromonas malhamensis.
  Publicado en J Protozool
• Effect of l-phenylalanine on central nervous system elements in tissue culture.
  Publicado en J Neurol Neurosurg Psychiatry
• A comparison of two laboratory techniques for early detection of phenylketonuria.
  Publicado en Am J Ment Defic
• Development of cytokinin activity by rearrangement of 1-substituted adenines to 6-substituted aminopurines: inactivation by N6, 1-cyclization.
  Publicado en Proc Natl Acad Sci U S A
• Citrinin--a fungistatic antibiotic and narrowing factor.
  Publicado en Nature
• Coagulant activity of tiger snake (Notechis scutatus scutatus) venom.
  Publicado en Nature
• Biological activity of volatile fungal metabolites.
  Publicado en Nature
• The effect of perchlorate ion and some pharmacological agents on the sensitivity of the frog (Rana pipiens) rectus abdominis to acetylcholine.
  Publicado en Experientia
• Biological characterization of a new and highly potent synthetic analogue of corticotrophin.
  Publicado en Experientia
• Heterogeneity of insulin. I. Isolation of a chromatographically purified, high-potency insulin and some of its properties.
  Publicado en Can J Biochem
• The control mechanism of thiamine biosynthesis a model for the study of control of converging pathways.
  Publicado en Biochem J
• The de-repression of thiamine biosynthesis by adenosine a tool for investigating this biosynthetic pathway.
  Publicado en Biochem J
• Gonadotropin-inhibiting action of certain carbohydrates.
  Publicado en Nature
• A pharmacologic comparison of norethindrone and chlormadinone acetate.
  Publicado en Int J Fertil
• The transketolase test in neurological disease.
  Publicado en Bull Los Angeles Neurol Soc
• A smooth muscle contracting substance in extracts of human umbilical cord.
  Publicado en Nature
• Studies on pituitary gonadotrophins in human plasma. II. Follicle-stimulating and luteinizing hormone in male and postmenopausal plasma.
  Publicado en Acta Endocrinol (Copenh)
• Studies on pituitary gonadotrophins in human plasma. 1. Normal values in men and women of all ages.
  Publicado en Acta Endocrinol (Copenh)
• Isolation of cytokinins from Corynebacterium fascians.
  Publicado en Proc Natl Acad Sci U S A
• Synergist for serotonin present in schizophrenic blood.
  Publicado en Proc Natl Acad Sci U S A
• Dissociation between antidiuretic and vasopressor activity in rat posterior pituitaries on incubation in vitro.
  Publicado en Nature
• The purification of a kininogen from human plasma.
  Publicado en Br J Pharmacol Chemother
• The estimation by bioassay of "total gonadotrophin" levels in the plasma of normal adults.
  Publicado en Aust J Exp Biol Med Sci
• Non-specific responses in the assay of thyrotrophin and long-acting thyroid stimulator.
  Publicado en Aust J Exp Biol Med Sci
• Testicular response in Japanese quail as a bioassay of pituitary gonadotropins.
  Publicado en Am J Vet Res
• Activity of epsilon-aminocaproic acid in some microbiological assay systems for lysine.
  Publicado en Acta Pharm Suec
• Dozarea microbiologica a amestecurilor de antibiotice.
  Publicado en Microbiol Parazitol Epidemiol (Bucur)
• An agar cell-suspension plaque assay for isolated viral RNA.
  Publicado en Biochem Biophys Res Commun
• Autographic method for investigating body distribution of antibacterial drugs.
  Publicado en Nature
• Assay of prolactin and differentiation from prolactin-like substances by determining the nucleic acid in the pigeon crop gland.
  Publicado en Horumon To Rinsho
• The international reference preparation of hygromycin B.
  Publicado en Bull World Health Organ
• The international reference preparation of tylosin.
  Publicado en Bull World Health Organ
• Inhibition by cortisol of ACTH release from anterior pituitary tissue in vitro.
  Publicado en Can J Physiol Pharmacol
• Uber das Choriongonadotropin. Untersuchungen zur biologischen Charakterisierung verschiedener Präparationen.
  Publicado en Bibl Gynaecol
• The effect of anemia on the concentration of folate derivatives in paired fetal-maternal blood.
  Publicado en Isr J Med Sci
• Estimation of anticholinergic drug effects in mice by antagonism against pilocarpine-induced salivation.
  Publicado en Acta Pharmacol Toxicol (Copenh)
• Assay of clotting factors in outdated blood bank plasma and its potenial use for therapy in hemophilia and other hemorrhagic dyscrasias.
  Publicado en Transfusion
• Behaviour of Paramecium aurelia in solutions of purified and fluorescent labelled tetanus neurotoxin.
  Publicado en J Gen Microbiol
• Chemical and biological properties of an extracellular lipopolysaccharide from Escherichia coli grown under lysine-limiting conditions.
  Publicado en Biochem J
• Assay of the mycobactins by measurement of the growth of Mycobacterium johnei.
  Publicado en Biochem J
• Bioassay of ADH on the experimental diabetes insipidus rats with a study on the ADH level in normal human plasma.
  Publicado en Jpn Circ J
• Studies on sea-snake venoms. Crystallization of erabutoxins a and b from Laticauda semifasciata venom.
  Publicado en Biochem J
• Eine einfache Methode zur Bestimmung der Inhibitoren verschiedener proteolytischer Fermente.
  Publicado en Klin Med Osterr Z Wiss Prakt Med
• The antigenic interrelationships of live cholera vaccines and a method of bioassay.
  Publicado en J Pathol Bacteriol
• Bio-assays of medicaments for the control of dentobacterial plaque, dental caries, and periodontal lesions in Syrian hamsters.
  Publicado en J Oral Ther Pharmacol
• Collection and storage of axenic inoculum of plant parasitic nematodes in the laboratory.
  Publicado en Ann N Y Acad Sci
• Disulfiram and tumor inhibition.
  Publicado en Trans Am Assoc Genitourin Surg
• Water-soluble factors with vitamin K activity from pig liver and from Fusiformis nigrescens.
  Publicado en Nature
• The estrogenic and deciduogenic properties of some estra-1,3,5(10)triene-3,17-beta-diol derivatives.
  Publicado en Experientia
• The second international standard for serum gonadotrophin.
  Publicado en Bull World Health Organ
• The international reference preparation of erythropoietin.
  Publicado en Bull World Health Organ
• Models for the non-interactive joint action of a mixture of stimuli in biological assay.
  Publicado en Biometrika
• Determination of amino acids in the blood, urine and organs--microbiological method.
  Publicado en Nippon Rinsho
• Quantitative assay and potency test of antirabies serum.
  Publicado en Monogr Ser World Health Organ
• The NYLAR text for measuring potency of antirabies vaccine.
  Publicado en Monogr Ser World Health Organ
• Guinea-pig test for chicken-embryo vaccine.
  Publicado en Monogr Ser World Health Organ
• Laboratory techniques in rabies. Potency-test requirements of the United States National Institutes of Health (NIH).
  Publicado en Monogr Ser World Health Organ
• Laboratory techniques in rabies. Modified Habel test for potency.
  Publicado en Monogr Ser World Health Organ
• Laboratory techniques in rabies. Habel test for potency.
  Publicado en Monogr Ser World Health Organ
• Laboratory techniques in rabies. General considerations in potency testing.
  Publicado en Monogr Ser World Health Organ
• A new oral progestational steroid effective in treating prostatic cancer.
  Publicado en Trans Am Assoc Genitourin Surg
• Metod biologicheskoi standartizatsii AKTG putem perekrestnogo ispytaniia na intaktnykh krysakh.
  Publicado en Probl Endokrinol Gormonoter
• Bioassay of seawater. II. Methods for the determination of concentrations of dissolved vitamin B1 in seawater.
  Publicado en Can J Microbiol
• Pharmacological and chromatographic studies of the neurohypophysial activities of the pituitary of further elasmobranch species.
  Publicado en Gen Comp Endocrinol
• A re-examination of the goldfish microhistometric assay method for thyrotropin.
  Publicado en Gen Comp Endocrinol
• MSH activity in pituitaries of rats treated with hypothalamic extracts.
  Publicado en Gen Comp Endocrinol
• Bio-assay of responses of growing bones to cortisol.
  Publicado en Clin Orthop Relat Res
• Non-suppressible insulin-like activity of human serum. I. Physicochemical properties, extraction and partial purification.
  Publicado en Biochim Biophys Acta
• Paralytic shellfish poison: serological assay by passive haemagglutination and bentonite flocculations.
  Publicado en Nature
• A simple bioassay for gibberellic acid.
  Publicado en Nature
• Testing chemicals for mutagenicity in a mammal.
  Publicado en Nature
• Brain acetylcholine studies: a new extraction procedure.
  Publicado en J Neurochem
• Serotonin binding to nerve ending particles and other preparations from rat brain.
  Publicado en J Neurochem
• Mammalian brain acetylcholinesterase. Purification and properties.
  Publicado en J Neurochem
• On subcellular localization and binding of choline acetyltransferase in the cholinergic nerve endings of the brain.
  Publicado en J Neurochem
• Effect of thyroxine on the deposition of phospholipids in the brain in vivo and on the synthesis of phospholipids by brain slices.
  Publicado en J Neurochem
• The distribution of cation-stimulated adenosine triphosphatase in subcellular fractions from bovine cerebral cortex.
  Publicado en J Neurochem
• Effect of cardiazol on sodium-potassium-activated adenosine triphosphatase of the rat brain in vivo.
  Publicado en Brain Res
• Plasma inflammation units: an objective method for investigating effects of drugs on experimental inflammation.
  Publicado en Life Sci
• In vivo assay for melanocyte lightening substances.
  Publicado en Experientia
• Microbiological assay of indole in cultures of Escherichia coli and some other microorganisms.
  Publicado en Experientia
• Diaminopimelate decarboxylase of Lemna perpusilla: partial purification and some properties.
  Publicado en Biochim Biophys Acta
• The effect of analgesic drugs on the release of acetylcholine from electrically stimulated guinea-pig ileum.
  Publicado en Br J Pharmacol Chemother
• Passage of intravenously infused atropine into perfused cerebral ventricles and subarachnoid space.
  Publicado en Br J Pharmacol Chemother
• Planning a quantal assay of potency.
  Publicado en Biometrics
• An antigenic analysis of Vibrio fetus. 3. Chemical, biologic, and antigenic properties of the endotoxin.
  Publicado en Am J Vet Res
• Immunologic cross-reaction between luteinizing hormone and antisera to human chorionic gonadotropin.
  Publicado en Int Arch Allergy Appl Immunol
• The prosthetic groups of animal amine oxidases.
  Publicado en Biochem Biophys Res Commun
• Simplified computation of confidence intervals for relative potencies using Fieller's theorem.
  Publicado en J Pharm Sci
• Assay of antianginal drugs by relieving pituitrin induced coronary vasoconstriction in the intact unanaesthetized animal.
  Publicado en Arch Int Pharmacodyn Ther
• The mechanism of the push and pull principle. VII. Endocrine effects of chlordiazepoxide, diazepam and guanethidine.
  Publicado en Arch Int Pharmacodyn Ther
• Inhibition of nucleotide degradation in Bacillus subtilis broths by metallic salts.
  Publicado en Appl Microbiol