Výsledky vyhledávání - "Takahiro Imazato"

Determination of human serum semicarbazide-sensitive amine oxidase activity via flow injection analysis with fluorescence detection after online derivatization of the enzymatically produced benzaldehyde with 1,2-diaminoanthraquinone

Autor: Takahiro Imazato, Mahmoud El-Maghrabey, Yukitaka Ueki, Kaname Ohyama, Naotaka Kuroda, Naoya Kishikawa

Publikováno v: Analytica Chimica Acta. 881:139-147

A fast, simple, and sensitive flow injection analysis method was developed for the measurement of semicarbazide-sensitive amine oxidase (SSAO) activity in human serum. Benzaldehyde, generated by the action of SSAO after incubation of serum with benzy

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::69c9d29823df9423bb81c0aca76c7b6e
https://doi.org/10.1016/j.aca.2015.04.006

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Determination of acrolein in serum by high-performance liquid chromatography with fluorescence detection after pre-column fluorogenic derivatization using 1,2-diamino-4,5-dimethoxybenzene

Autor: Kaname Ohyama, Naoya Kishikawa, Takako Hino, Yukitaka Ueki, Takahiro Imazato, Mariko Kanematsu, Naotaka Kuroda, Eisuke Maehata

Publikováno v: Biomedical Chromatography. 29:1304-1308

Acrolein is a major unsaturated aldehyde that is generated during the lipid peroxidation process. The measurement of acrolein in biological samples should be useful to estimate the degree of lipid peroxidation and to evaluate the effect of hazardous

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::615144beaad1fd9adf2a48e59900b660
https://doi.org/10.1002/bmc.3422

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Chromatographic determination of low-molecular mass unsaturated aliphatic aldehydes with peroxyoxalate chemiluminescence detection after fluorescence labeling with 4-(N,N-dimethylaminosulfonyl)-7-hydrazino-2,1,3-benzoxadiazole

Autor: Naoya Kishikawa, Kaname Ohyama, Takahiro Imazato, Hanaa M. Abdel-Wadood, Marwa F.B. Ali, Mitsuhiro Wada, Naotaka Kuroda, Horria A. Mohamed, Yukitaka Ueki, Ashraf M. Mahmoud

Publikováno v: Journal of Chromatography B. :147-152

A highly sensitive, selective and reproducible chromatographic method is described for determination of low-molecular mass unsaturated aliphatic aldehydes in human serum. The method combines fluorescent labeling using 4-(N,N-Dimethylaminosulfonyl)-7-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a844947514c64a937bbda2112dbaa73d
http://hdl.handle.net/10069/34986

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Determination of the ratio between mercaptalbumin and nonmercaptalbumin by HPLC with fluorescence probe specifically binding to albumin

Autor: Takahiro Imazato, Aya Matsuo, Mitsuhiro Wada, Yukitaka Ueki, Naoya Kishikawa, Kenichiro Nakashima, Naotaka Kuroda, Kaname Ohyama

Publikováno v: Journal of Pharmaceutical and Biomedical Analysis. 88:170-173

A simple and selective HPLC-fluorescence (FL) method with FL probe, 4-[4-(4-dimethylaminophenyl)-5-phenyl-1. H-imidazol-2-yl]benzoic acid methyl ester (DAPIM), for simultaneous determination of mercaptalbumin (HMA) and nonmercaptalbumin (HNA1) was de

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fb258922153d32af6cb6aa6d2448f4aa
https://doi.org/10.1016/j.jpba.2013.08.009

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Selective chemiluminescence method for monitoring of vitamin K homologues in rheumatoid arthritis patients

Autor: Naoya Kishikawa, Naotaka Kuroda, Kaname Ohyama, Yukitaka Ueki, Sameh Ahmed, Takahiro Imazato

Publikováno v: Talanta. 85(1):230-236

Vitamin K is a fat-soluble vitamin involved in blood coagulation and bone metabolism. The detection and monitoring of vitamin K homologues in rheumatoid arthritis (RA) patients is a challenging problem due to the smaller concentrations of vitamin K a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::762add937097df90d87d7fe4ef0a12fb
https://nagasaki-u.repo.nii.ac.jp/records/12281

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Effects of the anti-interleukin-6 receptor antibody, tocilizumab, on serum lipid levels in patients with rheumatoid arthritis

Autor: Takahiro Imazato, Shin-ya Kawashiri, Mami Tamai, Keita Fujikawa, Toshiyuki Aramaki, Yukitaka Ueki, Atsushi Kawakami, Tomoki Origuchi, Satoshi Yamasaki, Katsumi Eguchi, Hideki Nakamura, Hiroaki Ida, Naoki Iwamoto

Publikováno v: Rheumatology International. 31:451-456

We investigated the effects of anti-IL-6 receptor antibody, tocilizumab (TCZ), on lipid metabolism. Nineteen patients with rheumatoid arthritis (RA), entered in clinical case-control study of SAMURAI trial at Sasebo Chuo Hospital, were examined. Nine

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0a5d2ab7c5166738233b7c1454f1c87e
https://doi.org/10.1007/s00296-009-1303-y

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Determination of acrolein in serum by high-performance liquid chromatography with fluorescence detection after pre-column fluorogenic derivatization using 1,2-diamino-4,5-dimethoxybenzene

Autor: Takahiro, Imazato, Mariko, Kanematsu, Naoya, Kishikawa, Kaname, Ohyama, Takako, Hino, Yukitaka, Ueki, Eisuke, Maehata, Naotaka, Kuroda

Publikováno v: Biomedical chromatography : BMC. 29(9)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::f675005483f44a0dc447bfd728ca9079
https://pubmed.ncbi.nlm.nih.gov/25620324

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Decrement of serum cartilage oligomeric matrix protein (COMP) in rheumatoid arthritis (RA) patients achieving remission after 6 months of etanercept treatment: Comparison with CRP, IgM-RF, MMP-3 and anti-CCP Ab

Autor: Atsushi Kawakami, Toshiyuki Aramaki, Naoki Iwamoto, Tomoki Origuchi, Hiroaki Ida, Keita Fujikawa, Hideki Nakamura, Katsumi Eguchi, Shin-ya Kawashiri, Takahiro Imazato, Mami Tamai, Yukitaka Ueki

Publikováno v: Joint Bone Spine. 77:418-420

OBJECTIVE: The aim of this study was to evaluate whether serum COMP can estimate the therapeutic response of RA after 6 months of treatment with etanercept. METHODS: Forty-five RA patients receiving 25mg of etanercept twice a week for 6 months were r

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::263f32a24b76197d15f50467a34a23b3
https://doi.org/10.1016/j.jbspin.2010.01.016

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