Výsledky vyhledávání - "Masahiro, Kajiwara"

13C-phenylalanine breath test and serum biopterin in schizophrenia, bipolar disorder and major depressive disorder

Autor: Kotaro Hattori, Masahiro Kajiwara, Yuji Ozeki, Shinsuke Hidese, Hiroaki Hori, Toshiya Teraishi, Miho Ota, Hiroshi Kunugi, Teruhiko Higuchi, Daimei Sasayama, Ikki Ishida, Yasuhiro Kajiwara, Junko Matsuo

Publikováno v: Journal of Psychiatric Research. 99:142-150

Phenylalanine is required for the synthesis of the neurotransmitters dopamine, noradrenaline, and adrenaline. The rate-limiting step for phenylalanine metabolism is catalyzed by phenylalanine hydroxylase (PAH) and its cofactor tetrahydrobiopterin. We

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e76702d7918f16d50fe80787d9f34705
https://doi.org/10.1016/j.jpsychires.2018.01.019

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A simple convenient synthesis ofl-[4-13C]glutamine

Autor: Kokoro Nagasawa, Atsushi Kishida, Kazuhiko Takatori, Tomoyuki Kanamatsu, Masahiro Kajiwara

Publikováno v: Journal of Labelled Compounds and Radiopharmaceuticals. 58:42-45

L-[4-(13)C]Glutamine was synthesized from sodium [2-(13)C]acetate in 12 steps and 18% overall yield. A Wittig reaction of (R)-benzyl 4-formyl-2,2-dimethyloxazolidine-3-carboxylate and ethyl 2-(triphenylphosphoranylidene)[2-(13)C]acetate prepared from

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::350d9d00ce3854635129a49cbbb51456
https://doi.org/10.1002/jlcr.3265

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Detection of nonmagnetic metal thin film using magnetic force microscopy

Autor: Kenta Oosawa, Masahiro Kajiwara, Satoshi Abo, Fujio Wakaya, Mikio Takai

Publikováno v: Applied Physics Letters. 113:261601

Magnetic force microscopy (MFM) allows detection of stray magnetic fields around magnetic materials and the two-dimensional visualization of these fields. This paper presents a theoretical analysis of the oscillations of an MFM tip above a thin film

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a25a8ee7213d9aa99908d7df6c6af2f8
https://doi.org/10.1063/1.5079763

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CARBON SOURCE DEPENDENCE OF THE RATIO OF δ-AMINOLEVULINIC ACID BIOSYNTHESIS VIA THE C5 AND SHEMIN PATHWAYS IN EUGLENA GRACILIS (EUGLENOPHYCEAE)(1)

Autor: Katsumi, Iida, Masahiro, Kajiwara

Publikováno v: Journal of phycology. 44(2)

The ratio of two biosynthetic pathways was estimated, the C5 and Shemin pathways, to δ-aminolevulinic acid (ALA, a biosynthetic intermediate of tetrapyrrole) from the (13) C-enrichment ratios ((13) C-ER) at the carbon atoms of chl a (after conversio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::8c0702addfa311bce3b338f821623741
https://pubmed.ncbi.nlm.nih.gov/27041185

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The Effect of Methanol Extracts of Tsao-ko (Amomum tsao-ko Crevost et Lemaire) on Digestive Enzyme and Antioxidant Activity In Vitro, and Plasma Lipids and Glucose and Liver Lipids in Mice

Autor: Yoshijiro Nakajima, Longquan Yu, Hiramitsu Suzuki, Nozomi Sugane, Masahiro Kajiwara, Nobuya Shirai, Kazuhiro Takatori, Tsuyoshi Hosono

Publikováno v: Journal of Nutritional Science and Vitaminology. 56:171-176

Our previous study showed that tsao-ko intake can lower plasma and liver triacylglycerol (TG) concentrations and has hypoglycemic and antioxidant activity in mice. This study involved separating two major fractions (A and B) from the methanol extract

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::683bbb597da1b1cb10fdd777fc7067ac
https://doi.org/10.3177/jnsv.56.171

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Efficient syntheses of13C-labelled erythromycin biosynthetic intermediates. 2: (2S,3S,4S,5R,6R,7R)-3,6,7-trihydroxy-2,4,6-trimethyl[1-13C]nonan-5-olide andS-2-acetylaminoethyl (2R,3S,4S,5R,6S,7R)-3,5,6,7-tetrahydroxy-2,4,6-trimethyl[1-13C]nonanethioate

Autor: Katsumi Iida, Masahiro Kajiwara, Mineo Fukui, Takeshi Oishi, Tadashi Nakata

Publikováno v: Journal of Labelled Compounds and Radiopharmaceuticals. 51:218-225

The 13C-labelled putative erythromycin biosynthetic intermediates, ((2S,3S,4S,5R,6R,7R)-3,6,7-trihydroxy-2,4,6-trimethyl[1-13C]nonan-5-olide and S-2-acetylaminoethyl (2R,3S,4S,5R,6S,7R)-3,5,6,7-tetrahydroxy-2,4,6-trimethyl[1-13C]nonanethioate), which

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::222eadaf696ace2b87216f2a35bd6f7d
https://doi.org/10.1002/jlcr.1506

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CARBON SOURCE DEPENDENCE OF THE RATIO OF δ-AMINOLEVULINIC ACID BIOSYNTHESIS VIA THE C5 AND SHEMIN PATHWAYS INEUGLENA GRACILIS(EUGLENOPHYCEAE)

Autor: Katsumi Iida, Masahiro Kajiwara

Publikováno v: Journal of Phycology. 44:292-298

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ed74e6eddc2b4cb96177abdfbebcc866
https://doi.org/10.1111/j.1529-8817.2008.00466.x

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Efficient synthesis of13C-labelled erythromycin biosynthetic intermediate. 1:S-2-acetylaminoethyl (2R,3R,4R,5R)-3,5-diacetoxy-2,4-dimethyl-4-([13C]methoxy)-heptanethioate

Autor: Takeshi Oishi, Tadashi Nakata, Masahiro Kajiwara, Katsumi Iida, Mineo Fukui, Tomoko Inoue‐Tanihata

Publikováno v: Journal of Labelled Compounds and Radiopharmaceuticals. 51:213-217

An efficient 13C-labelling synthesis of the putative erythromycin biosynthetic intermediate, S-2-acetylaminoethyl (2R,3R,4R,5R)-3,5-diacetoxy-2,4-dimethyl-4-([13C]methoxy)heptanethioate, which would be useful for the investigation of the chain elonga

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64a3131d8a1a3159578e092bad0dacaf
https://doi.org/10.1002/jlcr.1507

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