I Nakatsuka

Author PubWeight™ 8.26‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 [Studies on beta-lactam antibiotics. III. Synthesis of 6-[D(--)-alpha-(acylamino)-phenylacetamido]penicillanic acids and antibacterial activity (author's transl)]. Yakugaku Zasshi 1980 0.91
2 Lack of significant estrogenic or antiestrogenic activity of pyrethroid insecticides in three in vitro assays based on classic estrogen receptor alpha-mediated mechanisms. Toxicol Sci 2000 0.90
3 Dissection and weighing of accessory sex glands after formalin fixation, and a 5-day assay using young mature rats are reliable and feasible in the Hershberger assay. Toxicology 2001 0.87
4 Evaluation of a 5-day Hershberger assay using young mature male rats: methyltestosterone and p,p'-DDE, but not fenitrothion, exhibited androgenic or antiandrogenic activity in vivo. J Toxicol Sci 2000 0.82
5 Identification of a new non-functional CYP2C18 allele in Japanese: substitution of T204 to A in exon2 generates a premature stop codon. Pharmacogenetics 1996 0.81
6 Radioiodinated 2'-iododiazepam: a potential imaging agent for SPECT investigations of benzodiazepine receptors. J Nucl Med 1993 0.81
7 A new semi-automated chromosome analysis system for in vitro chromosomal aberration tests. Mutat Res 1997 0.80
8 An in vitro reporter gene assay method incorporating metabolic activation with human and rat S9 or liver microsomes. Biochem Biophys Res Commun 2001 0.79
9 An approach for assaying benzodiazepine receptor binding with radioiodinated ligand: 125I-labeled diazepam derivative. Biol Pharm Bull 1993 0.79
10 Novel cleavage of the 1,2,4-oxadiazole ring in rat metabolism of SM-6586, a dihydropyridine calcium antagonist. Drug Metab Dispos 1994 0.76
11 Metabolism of tetramethrin isomers in rat. I. Identification of a sulphonic acid type of conjugate and reduced metabolites. Xenobiotica 1994 0.75
12 Alpha 2u-globulins in the urine of male rats: a reliable indicator for alpha 2u-globulin accumulation in the kidney. Toxicology 1996 0.75
13 Preparation of tetramethylcyclopropanecarboxylic-14C acid and insecticidal terallethrin-14C from it. Radioisotopes 1981 0.75
14 Development of a novel CHL/IU cell line with an incorporated gpt shuttle vector for concurrent analysis of gene mutations and chromosome aberrations. Mutat Res 1997 0.75
15 Labelling of a new fungicide with 3H and 14C. Synthesis of S-n-butyl S'-p-tert-butylbenzyl N-3-pyridyl-(5-3H)-dithiocarbonimidate (Denmert). Radioisotopes 1978 0.75
16 A method for measuring specific activities of 14C-labelled compounds by gas chromatography-mass spectrometry-computer system. Radioisotopes 1985 0.75
17 Metabolism of Cyanox in rat. II. Sex-related differences in oxidative dearylation and desulphuration. Xenobiotica 2000 0.75
18 Metabolism of N-[4-chloro-2-fluoro-5-[(1-methyl-2- propynl)oxy]phenyl]-3,4,5,6-tetrahydrophthalimide (S-23121) in the rat: I. Identification of a new, sulphonic acid type of conjugate. Xenobiotica 1993 0.75
19 An improved method for 14C-labelling of farnesylacetic acid and its geranyl ester. Radioisotopes 1988 0.75
20 [Usefulness of a disposable nasogastric tube with a pH sensor--comparison with a class pH electrode]. Masui 1992 0.75
21 11C-labeled 2'-iododiazepam for PET studies of benzodiazepine receptors: synthesis and comparison of biodistribution with its radioiodinated compound. Ann Nucl Med 1994 0.75
22 Metabolism of tetramethrin isomers in rat: II. Identification and quantitation of metabolites. Xenobiotica 1994 0.75
23 Radioiodinated 2'-iodospiperone: a new radioligand for in vivo dopamine receptor study. Life Sci 1987 0.75
24 14C-labelling of a hypocholesterolemic agents, N-(alpha-methylbenzyl) linoleamide. Radioisotopes 1980 0.75
25 Evaluation of N-alkyl derivatives of radioiodinated spiperone as radioligands for in vivo dopamine D2 receptor studies: effects of lipophilicity and receptor affinity on the in vivo biodistribution. Chem Pharm Bull (Tokyo) 1992 0.75
26 Metabolism of furametpyr. 1. Identification of metabolites and in vitro biotransformation in rats and humans. J Agric Food Chem 2000 0.75
27 Preparation of 123I-labeled 2'-iodospiperone and imaging of D2 dopamine receptors in the human brain using SPECT. Int J Rad Appl Instrum B 1992 0.75
28 Differences in alpha 2u-globulins increased in male rat kidneys following treatment with several alpha 2u-globulin accumulating agents: cystein protease(s) play(s) an important role in production of kidney-type-alpha 2u-globulin. Toxicology 1992 0.75
29 Quantitative determination of F6-1,25(OH)2 vitamin D3 in human serum by gas chromatography/mass spectrometry with high-resolution selected ion monitoring. Biol Mass Spectrom 1994 0.75
30 Metabolism of a tetrahydroaminoacridine derivative (SM-10888) in rat: structural analysis of an N-glucuronide of SM-10888 and an O-glucuronide of hydroxylated SM-10888 by FAB-MS/MS. Xenobiotica 1993 0.75
31 Application of gas chromatograph-mass spectrometer-computer system to evaluation of 14C-labelled compounds. Radioisotopes 1985 0.75
32 Synthesis and evaluation of (17 alpha,20E)-21-[125I]iodo-19-norpregna-1,3,5(10),20-tetraene-3,17 -diol and (17 alpha,20E)-21-[125I]iodo-11 beta-methoxy-19-norpregna-1,3,5(10),20-tetraene-3,17-diol (17 alpha-(iodovinyl)estradiol derivatives) as high specific activity potential radiopharmaceuticals. J Med Chem 1984 0.75
33 Metabolism of N-[4-chloro-2-fluoro-5-[(1-methyl-2-propynyl)oxy]phenyl]-3,4,5,6- tetrahydrophthalimide (S-23121) in the rat. II. Absorption, disposition, excretion and biotransformation. Xenobiotica 1993 0.75
34 In vivo and in vitro pharmacokinetics and metabolism studies of 26,26,26,27,27,27-F6-1,25(OH)2 vitamin D3 (Falecalcitriol) in rat: induction of vitamin D3-24-hydroxylase (CYP24) responsible for 23S-hydroxylation in target tissues and the drop in serum levels. Xenobiotica 1999 0.75
35 Radioiodinated nordiazepam analog for in vivo assessment of benzodiazepine receptors by single photon emission tomography. Nucl Med Biol 1994 0.75
36 Metabolism of Cyanox in the rat. I. Absorption, disposition, excretion and biotransformation. Xenobiotica 1995 0.75
37 Comparison of sex differences in guinea-pig maximization test for detection of skin-sensitizing potential using OECD recommended positive control sensitizers. J Toxicol Sci 1998 0.75
38 Labelling of a new fungicide with 3H and 14C--synthesis of S-n-butyl S'-p-tert-butylbenzyl-14C N-3-Pyridyldithiocarbonimidate (Denmert). Radioisotopes 1978 0.75
39 Evaluation of in vitro methods for detecting the effects of various chemicals on the human progesterone receptor, with a focus on pyrethroid insecticides. Toxicol Lett 2001 0.75
40 14C-labelling of a new beta-adrenergic blocking agent (S-596). Radioisotopes 1982 0.75
41 Pharmacokinetics of SM-10888 and its metabolites depending on their physicochemical properties. Drug Metab Dispos 1994 0.75
42 Distribution and metabolism of F6-1,25(OH)2 vitamin D3 and 1,25(OH)2 vitamin D3 in the bones of rats dosed with tritium-labeled compounds. Steroids 1998 0.75
43 14C-labelling of butylated hydroxytoluene (BHT). Radioisotopes 1979 0.75
44 Metabolism of 4-[1-(2-fluoro-4-biphenylyl)ethyl]-2-methylaminothiazole (SM-8849) in rats. Eur J Drug Metab Pharmacokinet 1997 0.75
45 Tissue distribution and pharmacological potential of SM-16896, a novel oestrogen-bisphosphonate hybrid compound. J Pharm Pharmacol 2000 0.75
46 [The statistic study of morbus haradai. Clinical features in the initial stage and prognosis (author's transl)]. Nippon Ganka Gakkai Zasshi 1979 0.75
47 Benzodiazepines and their metabolites: relationship between binding affinity to the benzodiazepine receptor and pharmacological activity. Life Sci 1985 0.75
48 Identification of two new types of S-linked conjugates of Etoc in rat. Xenobiotica 1994 0.75
49 Synthesis of a 14C-labelled fungicide, N-(3, 5-dichlorophenyl)-1, 2-dimethylcyclopropane-1, 2-dicarboximide-(carbonyl-14C) (Sumilex). Radioisotopes 1977 0.75
50 Metabolism of 7-fluoro-6-(3,4,5,6-tetrahydrophthalimido)-4- (2-propynyl)-2H-1,4-benzoxazin-3(4H)-one (S-53482) in rat. 1. Identification of a sulfonic acid type conjugate. J Agric Food Chem 1999 0.75
51 [Effect of fenitrothion on experimental allergic conjunctivitis]. J Toxicol Sci 1996 0.75
52 Metabolism of tetramethrin isomers in rat. III. Stereochemistry of reduced metabolites. Xenobiotica 1996 0.75
53 Metabolism of furametpyr. 2. (14)C excretion, (14)C concentrations in tissues, and amounts of metabolites in rats. J Agric Food Chem 2000 0.75
54 Metabolism of 7-fluoro-6-(3,4,5,6-tetrahydrophthalimido)-4- (2-propynyl)-2H-1,4-benzoxazin-3(4H)-one (S-53482, flumioxazin) in the rat: II. Identification of reduced metabolites. J Agric Food Chem 1999 0.75
55 Synthesis of 14C labelled o,o-dimethyl o-(3-carboxy-4-nitrophenyl) phosphorothioate. Radioisotopes 1981 0.75
56 Metabolism of tetramethrin isomers in rat: IV. Tissues responsible for formation of reduced and hydrated metabolites. Xenobiotica 1997 0.75