8,520 Artículos relativos a Marcaje Isotópico

• Preparation of short half-lived radioactive gases for medical studies.
  Publicado en Radiat Res
• Progress in determining bone marrow distribution in vivo.
  Publicado en Prog At Med
• Hormone studies in health and disease using radioimmunological assay.
  Publicado en Prog At Med
• Studies of pulmonary and cardiac function using short-lived isotopes oxygen-15, nitrogen-13 and carbon-11.
  Publicado en Prog At Med
• Protein composition of the messenger RNA-containing ribonucleoprotein of the nucleus.
  Publicado en Acta Biochim Biophys Acad Sci Hung
• On the mechanism of action of carcinogenic aromatic amines. I. Binding of 2-acetylaminofluorene and N-hydroxy-2-acetylaminofluorene to rat-liver nucleic acids in vivo.
  Publicado en Chem Biol Interact
• The kinetics of cellular proliferation in normal and malignant tissues. V. Analysis of labeling indices and potential tissue doubling times in human tumor cell populations.
  Publicado en J Surg Oncol
• Current procedures for scanning of the spleen.
  Publicado en Ann Intern Med
• Chemistry of mevalonic acid.
  Publicado en Biochem Soc Symp
• The fate of N-alkyl groups in the course of binding of metabolites of several N-alkyl amino azo dyes to rat-liver proteins.
  Publicado en Chem Biol Interact
• Incorporation of 3 H-uridine into RNA of toad bladder epithelial cells. Method of determination.
  Publicado en Biochem Med
• Preparation of bovine 125 I-tyrosyl-C-peptide.
  Publicado en Horm Metab Res
• Autoradiography in human cytogenetics.
  Publicado en Adv Hum Genet
• Structural and chemical compartments in adipose cells.
  Publicado en Horm Metab Res
• Standardized sterile kits for preparation of 99m Tc-labelled albumin, macroalbumin, iron ascorbic acid complex, and antimony sulphide colloid.
  Publicado en Scand J Clin Lab Invest
• Endonuclease II of Escherichia coli. Degradation of partially depurinated deoxyribonucleic acid.
  Publicado en Biochemistry
• An extra C chromosome and various metabolic abnormalities in the bone marrow from a patient with refractory sideroblastic anaemia.
  Publicado en Scand J Haematol
• Interaction of ribosomes and ribosomal subparticles with endoplasmic reticulum membranes in vitro: effect of spermine and magnesium.
  Publicado en Biochim Biophys Acta
• Quantitation of N-acetyl-D-galactosamine-like sites on the surface membrane of normal and transformed mammalian cells.
  Publicado en Biochim Biophys Acta
• Immunization of neonatal rabbits with bovine serum albumin associated with allogeneic thymus cells. Immune response and allotypic markers of antibody.
  Publicado en Int Arch Allergy Appl Immunol
• Allergen binding to human peripheral leukocytes.
  Publicado en Int Arch Allergy Appl Immunol
• Conversion of agroclavine by mammalian cytochrome P-450.
  Publicado en Biochim Biophys Acta
• Methyl- 14 C-glycinated hemoglobin as a substrate for proteases.
  Publicado en Biochim Biophys Acta
• Alpha-isopropylmalate synthase from Salmonella typhimurium--amino acid composition, NH 2 -terminal analysis, and fingerprint analysis.
  Publicado en Biochim Biophys Acta
• Kinetics of the phenotypic expression of mutations for streptomycin resistance induced by methylmethane sulfonate, N-methyl-N'-nitro-N-nitrosoguanidine, and ultraviolet light in Escherichia coli K-12.
  Publicado en Sov Genet
• Problems connected with in vivo labelling of embryonic glycosaminoglycans with Na 2 35 SO 4 in teratological studies.
  Publicado en Naunyn Schmiedebergs Arch Pharmakol
• Biosynthesis of saccharopine and pipecolic acid from L- and DL- 14 C-lysine by human and dog liver in vitro.
  Publicado en Biochem Med
• Synthesis of (+ or minus)-5,10-methenyltetrahydrofolic acid-2 14 C and (+ or minus)-5-formyltetrahydrofolic acid-2 14 C.
  Publicado en Anal Biochem
• The metabolism of carbenoxolone in the rat.
  Publicado en Xenobiotica
• Rapid analysis of tryptophan hydroxylase in rat tissue using 5- 3 H-tryptophan.
  Publicado en Anal Biochem
• Enzymic preparations of radiolabeded (+)-L-5-methyltetrahydrofolate and (+)-L-5-formyltetrahydrofolate.
  Publicado en Anal Biochem
• Synthesis of (26,27- 3 H)-25-hydroxycholecalciferol.
  Publicado en Anal Biochem
• The specificity of antibodies to a peptide determinant of the tobacco mosaic virus protein induced by immunization with the peptide conjugate.
  Publicado en Biochim Biophys Acta
• Synthesis of 14 C-labeled bunolol.
  Publicado en J Pharm Sci
• Opium alkaloids. IX. Detection of coreximine in Papaver somniferum L. based on its biosynthesis from reticuline.
  Publicado en J Pharm Sci
• Synthesis of (1- 3 H)ergosterol and (1- 3 H)ergocalciferol.
  Publicado en J Chem Soc [Perkin 1]
• Die Substitution von tritiummarkiertem Vitamin K3 unter Marcumar-Behandlung.
  Publicado en Nucl Med (Stuttg)
• On the mechanism of 5-enolpyruvylshikimate 3-phosphate synthetase.
  Publicado en J Biol Chem
• Short-living radioisotopes ( 99m Tc, 113m In) as a label for erythrocytes: labeling problems and utilisation in spleen studies.
  Publicado en J Nucl Biol Med
• Control of protein synthesis during the activation of lymphocytes by phytohaemagglutinin.
  Publicado en Biochim Biophys Acta
• Ribosomes from fig fruits: physical properties and the occurrence of transient dimers.
  Publicado en Biochim Biophys Acta
• DNA synthesis in normal and virus-transformed mammalian cells after methionine deprivation.
  Publicado en Biochim Biophys Acta
• A homologous series of affinity labeling reagents and their use in the study of antibody binding sites.
  Publicado en Biochemistry
• Preparation of 9-alpha,11-xi-tritiated 17-alpha-ethynylestradiol, mestranol, estradiol-alpha-17-beta, and norethindrone.
  Publicado en Steroids
• The preparation and storage of carbon-11 labelled gases for clinical use.
  Publicado en Int J Appl Radiat Isot
• The labeling in vivo of monoamine oxidase by 14 C-pargyline: a tool for studying the synthesis of the enzyme.
  Publicado en Mol Pharmacol
• On the metabolism of prostaglandin F-2-alpha in female subjects.
  Publicado en J Biol Chem
• Hemolysis induced by Prymnesium parvum toxin. Kinetics and binding.
  Publicado en Biochim Biophys Acta
• Comparison of the carbohydrate portion of membrane H-2 alloantigens isolated from spleen cells and tumor cells.
  Publicado en Biochim Biophys Acta
• A general procedure for the preparation of deuterated and tritiated amino acids by incorporation of solvent isotope during synthesis.
  Publicado en J Org Chem
• Plasma-renin activity determined by a labelled antibody assay.
  Publicado en Horm Metab Res
• Dissociation of 5 -S RNA from 50 -S ribosomal subunits of Escherichia coli by phosphate treatment.
  Publicado en Biochim Biophys Acta
• Studies with cancer seeking isotopes.
  Publicado en Mater Med Pol
• RNA metabolism in rat intestinal mucosa of normal and vitamin A-deficient rats.
  Publicado en Arch Biochem Biophys
• Characterization of zonal fractions of calf thymus DNA.
  Publicado en Arch Biochem Biophys
• The role of protein carboxyl groups in carbohydrate-concanavalin A interaction.
  Publicado en Biochim Biophys Acta
• An active-site-directed irreversible inhibitor of 5 -3-ketosteroid isomerase.
  Publicado en Biochim Biophys Acta
• Metabolic role of vitamins A and D.
  Publicado en Annu Rev Biochem
• Activity and structure of antibody.
  Publicado en Tanpakushitsu Kakusan Koso
• A method for the preparation of radioactive FSH with preservation of biologic activity.
  Publicado en Endocrinology
• Biosynthesis of furanochromones.
  Publicado en Can J Biochem
• Enzymatic conversion of labeled ketodihydrosphingosine to ketosphingosine in rat liver particulates.
  Publicado en Biochim Biophys Acta
• The regulation of sn-glycerol-3-phosphate acylation by cytidine nucleotides in rat brain cerebral hemispheres.
  Publicado en Biochim Biophys Acta
• A study of some of the factors involved in regulating the conversion of octadeca-8,11-dienoate to eicosa-4,7,10,13-tetraenoate in the rat.
  Publicado en Biochim Biophys Acta
• Direct evidence for the formation of an acyl phosphate by glutamine synthetase.
  Publicado en Biochemistry
• Nukleära metoder vid mätning och kontroll av omgivningsföroreningar.
  Publicado en Lakartidningen
• Binding properties of a mouse immunoglobulin M myeloma protein with carbohydrate specificity.
  Publicado en Biochemistry
• Precipitation of 125 I-labeled lipoproteins with specific polypeptide antisera. Evidence for two populations with differing polypeptide compositions in human high density lipoproteins.
  Publicado en Biochemistry
• Subunit structure of ribulose 1,5-diphosphate carboxylase from Chlorella ellipsoidea.
  Publicado en Biochemistry
• Cytidine triphosphate synthetase. Covalent intermediates and mechanisms of action.
  Publicado en Biochemistry
• In vitro 51Cr and 32P-DFP labeling of granulocytes in man.
  Publicado en J Nucl Med
• Metabolic fate of the short-acting peripheral neuromuscular blocking agent stercuronium in the rat, as related to its action.
  Publicado en Biochem Pharmacol
• The mechanism of action of ethanolamine ammonia-lyase, a B 12 -dependent enzyme. 8. Further studies with compounds labeled with isotopes of hydrogen: identification and some properties of the rate-limiting step.
  Publicado en J Biol Chem
• The carboxyl terminal amino acid residues of human and horse prothrombins.
  Publicado en Int J Protein Res
• Oxidized triphosphopyridine nucleotide specific isocitrate dehydrogenase from Azotobacter vinelandii. Modification of a reactive sulfhydryl group with cyanide.
  Publicado en Biochemistry
• A radioactive label for the erythrocyte membrane.
  Publicado en Biochim Biophys Acta
• Deuterium isotope effects in the metabolism of N-alkylsubstituted amphetamines in man.
  Publicado en Clin Chim Acta
• Phosphoryl-N-acetylglucosamine transfer to a lipid acceptor of liver microsomal preparations.
  Publicado en Biochim Biophys Acta
• Cerebrospinal fluid scanning with 111 In.
  Publicado en J Nucl Med
• Neurogenesis in frogs after early larval treatment with somatotropin or prolactin.
  Publicado en Dev Biol
• Izuchenie antimikrobnykh svoistv radioaktivnykh in"ektsionnykh preparatov v sviazi s problemoi obespecheniia ikh steril'nosti.
  Publicado en Zh Mikrobiol Epidemiol Immunobiol
• Radiochemistry of macroaggregated albumin and newer lung scanning agents.
  Publicado en Semin Nucl Med
• Stereospecificity of the transfer of hydrogen from reduced nicotinamide adenine dinucleotide phosphate in each of the two reductive steps catalyzed by beta-hydroxy-beta-methylglutaryl coenzyme A reductase.
  Publicado en J Biol Chem
• Technetium-labeled red blood cells.
  Publicado en J Nucl Med
• Rapid closed-system production of 99m Tc-albumin using electrolysis.
  Publicado en J Nucl Med
• Parenteral radiopharmaceuticals.
  Publicado en Bull Parenter Drug Assoc
• Vkliuchennia C 14 z karbonatu natriiu u bilky tkanyn zubiv ta kistik shchuriv riznoho viku.
  Publicado en Ukr Biokhim Zh
• Problems connected with the labeling of angiotensin and small polypeptides.
  Publicado en Horm Metab Res
• Leukokinetic studies in peripheral blood. I. Neutrophilic granulocyte kinetics in normal man.
  Publicado en Nippon Ketsueki Gakkai Zasshi
• Mycotoxins. Preparation of 14 C- and 3 H-labeled aflatoxins.
  Publicado en J Assoc Off Anal Chem
• Enzymatic iodination of polypeptides with 125I to high specific activity.
  Publicado en Biochim Biophys Acta
• Preparation and immunoreactive properties of monoiodinated angiotensin labelled at high specific activity.
  Publicado en Biochim Biophys Acta
• Profiles of tyrosyl and leucyl transfer RNA in fetal and adult rat liver.
  Publicado en Tex Rep Biol Med
• A general method for the synthesis of labeled alkenes for the preparation of labeled steroids. The synthesis of labeled 1,10,11,11a-tetrahydro-2-methoxy-2H-naphth(1,2-g)indole and 1,10,11,11a-tetrahydro-11a-methyl-2H-naphth(1,2-g)-indol-7-ol(C-16,17- 14 C).
  Publicado en Steroids
• Entry of derived ribosomal subunits into polyribosomes during protein synthesis in liver cell-free system.
  Publicado en Ital J Biochem
• Autoradiografia acizilor nucleici marcat.
  Publicado en Stud Cercet Inframicrobiol
• Tritiation of tryptophyl residues in proteins.
  Publicado en Biochemistry
• Marquage des glossines au moyen de radio-isotopes.
  Publicado en Rev Elev Med Vet Pays Trop
• The preparation and characterization of labelled rat growth hormone.
  Publicado en Biochem J
• Aspartic acid and asparagine complexes with chromium ( 51 Cr): their nature and properties.
  Publicado en J Nucl Biol Med