TAWA, RIICHI: search on Z-Library

The world's largest scientific articles store. 70,000,000+ articles for free.

1

Oral solid gentamicin preparation using emulsifier and adsorbent

Yukako Ito, Tomohiro Kusawake, Makoto Ishida, Riichi Tawa, Nobuhito Shibata, Kanji Takada

Journal:

Journal of Controlled Release

Year:

2005

Language:

english

File:

PDF, 135 KB

english, 2005

2

Methylated cytosine level in human liver DNA does not decline in aging process

Riichi Tawa, Shinji Ueno, Keiichi Yamamoto, Yoshiko Yamamoto, Kaoru Sagisaka, Ryuichi Katakura, Takamasa Kayama, Takashi Yoshimoto, Hiromu Sakurai, Tetsuya Ono

Journal:

Mechanisms of Ageing and Development

Year:

1992

Language:

english

File:

PDF, 332 KB

english, 1992

3

Determination of purine nucleosides and their bases by high-performance liquid chromatography using co-immobilized enzyme reactors

Masahiro Kito, Riichi Tawa, Sigeo Takeshima, Shingo Hirose

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1990

Language:

english

File:

PDF, 545 KB

english, 1990

4

Determination of kinetic parameters for immobilized xanthine oxidase and its application to a post-column enzyme reactor in high-performance liquid chromatographic analysis of hypoxanthine, xanthine and uric acid.

TAWA, RIICHI, KITOH, MASAHIRO, HIROSE, SHINGO, ADACHI, KENZO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 769 KB

1982

5

Fluorometric determination of sisomicin, an aminoglycoside antibiotic, in dried blood spots on filter paper by reversed-phase high-performance liquid chromatography with pre-column derivatization.

FUJIMOTO, TAKAHSHI, TAWA, RIICHI, HIROSE, SHINGO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1988

File:

PDF, 416 KB

1988

6

High-performance liquid chromatographic analysis of aminoglycoside antibiotics

Riichi Tawa, Hirokazu Matsunaga, Takashi Fujimoto

Journal:

Journal of Chromatography A

Year:

1998

Language:

english

File:

PDF, 169 KB

english, 1998

7

A New Insulin-mimetic Vanadyl Complex, (N-Pyridylmethylaspartate)oxovanadium(IV) with VO(N2O2) Coordination Mode, and Evaluation of its Effect on Uptake of D-Glucose by Ehrlich Ascites Tumour Cells

RIICHI TAWA, KEIKO UCHIDA, JUNKO TANIYAMA, YAE FUJISAWA, SEIKI FUJIMOTO, TAKASHI NAGAOKA, KAN KANAMORI, HIROMU SAKURAI

Journal:

Journal of Pharmacy and Pharmacology

Year:

1999

Language:

english

File:

PDF, 127 KB

english, 1999

8

SIMULTANEOUS DETERMINATION OF HYPOXANTHINE, XANTHINE AND URIC ACID USING AN IMMOBILIZED XANTHINE OXIDASE BY HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY

Tawa, Riichi, Kito, Masahiro, Hirose, Shingo

Journal:

Chemistry Letters

Year:

1981

Language:

english

File:

PDF, 850 KB

english, 1981

9

Determination of the aminoglycoside antibiotics sisomicin and netilmicin in dried blood spots on filter discs, by high-performance liquid chromatography with pre-column derivatization and fluorimetric detection

Riichi Tawa, Shingo Hirose, Takashi Fujimoto

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1989

Language:

english

File:

PDF, 461 KB

english, 1989

10

Determination of Ultraviolet Pre-Labelled Aminoglycoside Antibiotics by High-Performance Liquid Chromatography Using Column-Switching

KOSHIDE, KUNIKAZU, FUJIMOTO, TAKASHI, MATSUNAGA, HIROKAZU, TAWA, RIICHI, HIROSE, SHINGO

Journal:

YAKUGAKU ZASSHI

Year:

1986

File:

PDF, 574 KB

1986

11

Changes of DNA methylation level during pre-and postnatal periods in mice

Riichi Tawa, Tetsuya Ono, Akihiro Kurishita, Shigefumi Okada, Shingo Hirose

Journal:

Differentiation

Year:

1990

Language:

english

File:

PDF, 491 KB

english, 1990

12

Effects of X-ray Irradiation on Genomic DNA Methylation Levels in Mouse Tissues.

TAWA, RIICHI, KIMURA, YUTAKA, KOMURA, JUN-ICHIRO, MIYAMURA, YOSHINORI, KURISHITA, AKIHIRO, SASAKI, MASAO S., SAKURAI, HIROMU, ONO, TETSUYA

Journal:

Journal of Radiation Research

Year:

1998

File:

PDF, 371 KB

1998

13

Fluorometric determination of hypoxanthine and xanthine in biological fluids by high-performance liquid chromatography using enzyme reactors

Masahiro Kito, Riichi Tawa, Shigeo Takeshima, Shingo Hirose

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1983

Language:

english

File:

PDF, 490 KB

english, 1983

14

Pre-column derivatization of sisomicin with o-phthalaldehyde-β-mercaptopropionic acid and its application to sensitive high-performance liquid chromatographic determination with fluorimetric detection

Riichi Tawa, Kunikazu Koshide, Shingo Hirose, Takashi Fujimoto

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1988

Language:

english

File:

PDF, 608 KB

english, 1988

15

Protective Effects of Baicalein against Cell Damage by Reactive Oxygen Species.

GAO, Dayuan, TAWA, Riichi, MASAKI, Hitoshi, OKANO, Yuri, SAKURAI, Hiromu

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1998

File:

PDF, 844 KB

1998

16

High-performance liquid chromatographic analysis of methylation changes of CCGG sequence in brain and liver DNA of mice during pre- and postnatal development

Riichi Tawa, Gen Tamura, Hiromu Sakurai, Tetsuya Ono, Akihiro Kurishita

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1994

Language:

english

File:

PDF, 523 KB

english, 1994

17

Indirect Micro-determination of Primary and Secondary Amines by Copper (II)-catalyzed Oxidation of Pyrocatechol Violet

TAWA, RIICHI, HIROSE, SHINGO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1979

File:

PDF, 447 KB

1979

18

Simultaneous assay of hypoxanthine, xanthine and allopurinol by high-performance liquid chromatography and activation of immobilized xanthine oxidase as an enzyme reactor.

KITO, Masahiro, TAWA, Riichi, TAKESHIMA, Shigeo, HIROSE, Shingo

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1989

File:

PDF, 585 KB

1989

19

Evaluation of oral formulations of gentamicin containing labrasol in beagle dogs

Y.V. Rama Prasad, Sudarat Eaimtrakarn, Makoto Ishida, Yoichi Kusawake, Riichi Tawa, Yukako Yoshikawa, Nobuhito Shibata, Kanji Takada

Journal:

International Journal of Pharmaceutics

Year:

2003

Language:

english

File:

PDF, 106 KB

english, 2003

20

Lysophosphatidylcholine increases the secretion of matrix metalloproteinase 2 through the activation of NADH/NADPH oxidase in cultured aortic endothelial cells

Nobutaka Inoue, Saori Takeshita, Dayaun Gao, Tatsuro Ishida, Seinosuke Kawashima, Hozuka Akita, Riichi Tawa, Hiromu Sakurai, Mitsuhiro Yokoyama

Journal:

Atherosclerosis

Year:

2001

Language:

english

File:

PDF, 391 KB

english, 2001

21

A Selective Determination of Hypoxanthine, Xanthine and Inosine by Reversed-Phase Liquid Chromatography Coupled with Enzyme Reactors

Kito, Masahiro, Tawa, Riichi, Takeshima, Shigeo, Hirose, Shingo

Journal:

Analytical Letters

Year:

1985

Language:

english

File:

PDF, 252 KB

english, 1985

22

Binding affinity of Cu(II)–VP-16 (etoposide) complex and its analogues to DNA and hydroxyl radical generation During DNA strand breaks

Riichi Tawa, Dayuan Gao, Masashi Takami, Yasuhiro Imakura, Kuo-Hsiung Lee, Hiromu Sakurai

Journal:

Bioorganic & Medicinal Chemistry

Year:

1998

Language:

english

File:

PDF, 171 KB

english, 1998

23

Effects of energy restriction on age-associated changes of DNA methylation in mouse liver

Miyamura, Yoshinori, Tawa, Riichi, Koizumi, Akio, Uehara, Yoshihiko, Kurishita, Akihiro, Sakurai, Hiromu, Kamiyama, Shigetoshi, Ono, Tetsuya

Journal:

Mutation Research/DNAging

Year:

1993

Language:

english

File:

PDF, 741 KB

english, 1993

24

Alteration of c-fos gene methylation in human gliomas

Shinji Uyeno, Jun-ichiro Komura, Riichi Tawa, Yasuhiro Aoki, Masayuki Nata, Hironobu Sasano, Hiroshi Nakura, Kaoru Sagisaka, Hiromu Sakurai, Takamasa Kayama, Takashi Yoshimoto, Tetsuya Ono

Journal:

Molecular Carcinogenesis

Year:

1996

Language:

english

File:

PDF, 1.32 MB

english, 1996

25

The use of xanthine oxidase for a specific and sensitive fluorimetric determination of 6-mercaptopurine in serum

Riichi Tawa, Shigeo Takeshima, Shingo Hirose

Journal:

Biochemical Medicine

Year:

1984

Language:

english

File:

PDF, 446 KB

english, 1984

26

Effects of CpG methylation to double stranded DNA breaks by Cu(II)-podophyllotoxin derivative complexes

Riichi Tawa, Masashi Takami, Yasuhiro Imakura, Kuo-Hsiung Lee, Hiromu Sakurai

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1997

Language:

english

File:

PDF, 327 KB

english, 1997

27

Differential kinetic determination of mixtures of aniline and its derivatives using N,N-dimethyl-p-phenylenediamine.

TAWA, RIICHI, HIROSE, SHINGO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1980

File:

PDF, 699 KB

1980

28

A novel emulsifier, Labrasol, enhances gastrointestinal absorption of gentamicin

Zhaopeng Hu, Riichi Tawa, Takahiro Konishi, Nobuhito Shibata, Kanji Takada

Journal:

Year:

2001

Language:

english

File:

PDF, 92 KB

english, 2001

29

Determination of sisomicin in eluate from dried blood spot on filter paper disc for monitoring of blood level in rat, by reversed-phase high-performance liquid chromatography after pre-column fluorimetric derivatization.

FUJIMOTO, Takashi, TAWA, Riichi, HIROSE, Shingo

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1989

File:

PDF, 527 KB

1989

30

Breaks in Double-Strand DNA by Cu(II) Complexes of Etoposide (VP-16) and Its Derivatives, as Evaluated by S1 Nuclease Treatment.

TAWA, Riichi, TAKAMI, Masashi, IMAKURA, Yasuhiro, LEE, Kuo-Hsiung, SAKURAI, Hiromu

Journal:

Biological & Pharmaceutical Bulletin

Year:

1997

File:

PDF, 1.03 MB

1997

31

A statistical method for the determination of serum uric acid.

TAWA, RIICHI, ETOH, YASUKO, HIROSE, SHINGO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1980

File:

PDF, 505 KB

1980

32

Accumulation and photodynamic activity of chlorin e6 in cisplatin-resistant human lung cancer cells

Sayo Horibe, Junya Nagai, Ryoko Yumoto, Riichi Tawa, Mikihisa Takano

Journal:

Journal of Pharmaceutical Sciences

Year:

2011

Language:

english

File:

PDF, 221 KB

english, 2011

33

Involvement of NADH/NADPH Oxidase in Human Platelet ROS Production

Tadashi Seno, Nobutaka Inoue, Dayaun Gao, Masanori Okuda, Yoshihiko Sumi, Kiyoko Matsui, Shinichiro Yamada, Ken-ichi Hirata, Seinosuke Kawashima, Riichi Tawa, Shinobu Imajoh-Ohmi, Hiromu Sakurai, Mits

Journal:

Thrombosis Research

Year:

2001

Language:

english

File:

PDF, 560 KB

english, 2001

34

Specific simultaneous assay of hypoxanthine and xanthine in serum by reversed-phase high-performance liquid chromatography using an immobilized xanthine oxidase reactor

Masahiro Kito, Riichi Tawa, Shigeo Takeshima, Shingo Hirose

Journal:

Journal of Chromatography B: Biomedical Sciences and Applications

Year:

1982

Language:

english

File:

PDF, 372 KB

english, 1982

35

Diethyl ether fraction of Labrasol having a stronger absorption enhancing effect on gentamicin than Labrasol itself

Zhaopeng Hu, Rama Prasad Yv, Riichi Tawa, Takahiro Konishi, Makoto Ishida, Nobuhito Shibata, Kanji Takada

Journal:

International Journal of Pharmaceutics

Year:

2002

Language:

english

File:

PDF, 157 KB

english, 2002

36

Site-specific DNA cleavage by Cu(II) complexes of podophyllotoxin derivatives

Atsuko Yamashita, Riichi Tawa, Yasuhiro Imakura, kuo-Hsiung Lee, Hiromu Sakurai

Journal:

Biochemical Pharmacology

Year:

1994

Language:

english

File:

PDF, 659 KB

english, 1994

37

Determination of Four Active Oxygen Species Such as H 2 O 2 , •OH, •O 2− , and 1 O 2 by Luminol and CLA-Chemiluminescence Methods and Evaluation of Antioxidative Effects of Hydroxybenzoic Acids

TAWA, RIICHI, SAKURAI, HIROMU

Journal:

Analytical Letters

Year:

1997

Language:

english

File:

PDF, 619 KB

english, 1997

38

An on-line clean-up procedure for large sample volume analysis of serum aminoglycoside antibiotics by reversed-phase high-performance liquid chromatography.

MATSUNAGA, HIROKAZU, FUJIMOTO, TAKAHSI, TAWA, RIICHI, HIROSE, SHINGO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1988

File:

PDF, 548 KB

1988

39

Comparison of age-associated changes of c-myc gene methylation in liver between man and mouse

Ono, Tetsuya, Yamamoto, Shinobu, Kurishita, Akihiro, Yamamoto, Keiichi, Yamamoto, Yoshiko, Ujeno, Yowri, Sagisaka, Kaoru, Fukui, Yuko, Miyamoto, Makoto, Tawa, Riichi, Hirose, Shingo, Okada, Shigefumi

Journal:

Mutation Research/DNAging

Year:

1990

Language:

english

File:

PDF, 1003 KB

english, 1990

40

Application of simplified complementary tristimulus colorimetry to chemical kinetics in solution—I Analysis of reaction mixtures and determination of first- or pseudo first-order rate constants

Riichi Tawa, Shingo Hirose

Journal:

Year:

1979

Language:

english

File:

PDF, 587 KB

english, 1979

41

EXACT KNOWLEDGE OF OUR COLONIES

Ono, Tetsuya, Yamamoto, Shinobu, Kurishita, Akihiro, Yamamoto, Keiichi, Yamamoto, Yoshiko, Ujeno, Yowri, Sagisaka, Kaoru, Fukui, Yuko, Miyamoto, Makoto, Tawa, Riichi, Hirose, Shingo, Okada, Shigefumi

Journal:

Year:

1937

Language:

english

File:

PDF, 375 KB

english, 1937

42

Analysis of binary mixtures of tertiary amines by measurement of the decomposition rates of .PI.-complexes with tetracyanoethylene.

TAWA, RIICHI, HIROSE, SHINGO, ADACHI, KENZO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1982

File:

PDF, 465 KB

1982

43

Determination of some tertiary amines as .PI.-complexes with tetracyanoethylene.

TAWA, RIICHI, SHIMIZU, SHINICHI, HIROSE, SHINGO

Journal:

CHEMICAL & PHARMACEUTICAL BULLETIN

Year:

1980

File:

PDF, 544 KB

1980

44

Chemical forms of metallothionein and cellular oxidative stress in human hepatocellular carcinoma: A comparative study with the hepatitis of LEC rat

Akihiro Nakayama, Riichi Tawa, Nobuyuki Masuyama, Masaaki Ebara, Hiroyuki Fukuda, Keiji Suzuki, Katsuyuki Nakajima, Hiromu Sakurai

Journal:

The Journal of Trace Elements in Experimental Medicine

Year:

2002

Language:

english

File:

PDF, 165 KB

english, 2002

45

An Improved Method for Micro-Fluorimetric Determination of 6-Mercaptopurine

Hirose, Shingo, Tawa, Riichi

Journal:

Analytical Letters

Year:

1983

Language:

english

File:

PDF, 280 KB

english, 1983

To build up a library is to create a life. It’s never just a random collection of books.

— Carlos María Domínguez

Official channel

Z-Library Desktop Launcher

Z-Library Since 2009 support@1delivery.pm

EnglishРусскийEspañolItalianoελληνικάاللغة العربيةBahasa IndonesiaBahasa Malaysiaहिन्दीDeutschFrançaisPortuguêsУкраїнськаPolski中文繁體中文日本語Tiếng ViệtAzərbaycan DiliՀայոց լեզուภาษาไทยTürk Diliქართველიবাংলাپښتوతెలుగుاردو한국어SrpskiБългарски