Zobrazeno 1 - 10
of 233
pro vyhledávání: '"Kazutake, Shimada"'
Autor:
Tatsuya, Higashi, Kazutake, Shimada
Publikováno v:
Biomedical chromatography : BMC. 31(1)
High-performance liquid chromatography (HPLC), LC/mass spectrometry (MS) and LC/tandem mass spectrometry (MS/MS) have been widely used for biomedical analyses, in which chemical derivatization is one of the most important methods to increase the sens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::d93ba65e01b3435026d0eee73b156e0f
https://pubmed.ncbi.nlm.nih.gov/27511712
https://pubmed.ncbi.nlm.nih.gov/27511712
Publikováno v:
Journal of Chromatography B. 878:1654-1661
The measurements of the serum/plasma concentrations of vitamin D metabolites are widely used for the diagnostic assessment and follow-up of several diseases, such as chronic renal failure and osteoporosis. These metabolites have usually been measured
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc5dcf0562db604b97b8dd27bc68d696
https://doi.org/10.1016/j.jchromb.2009.11.026
https://doi.org/10.1016/j.jchromb.2009.11.026
Publikováno v:
Chemical and Pharmaceutical Bulletin. 57:948-956
Naturally occurring constituents of biological or pharmaceutical interest often exist in the form of glycosides or conjugates. Mass spectral investigations of these compounds require soft ionization techniques if information on molecular mass, sugar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2cd3f1b0440319729fd44b9602b129b
https://doi.org/10.1248/cpb.57.948
https://doi.org/10.1248/cpb.57.948
Autor:
Tatsuya Higashi, Toshikazu Onishi, Kazutake Shimada, Yujin Shibayama, Ken ichi Kashimada, Makoto Ono, Shuki Mizutani, Kentaro Miyai
Publikováno v:
Journal of Chromatography B. 867:49-56
A sensitive liquid chromatography-electrospray ionization-tandem mass spectrometric (LC-ESI-MS-MS) method for the quantification of 17alpha-hydroxyprogesterone (17OHP) in human saliva has been developed and validated. The saliva was deproteinized wit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::57bde8b088889efd8baa1955196e58dc
https://doi.org/10.1016/j.jchromb.2008.03.009
https://doi.org/10.1016/j.jchromb.2008.03.009
Publikováno v:
Biological and Pharmaceutical Bulletin. 31:1646-1650
In this study, we examined the influence of finasteride (FIN), a 5alpha-reductase inhibitor, on the brain levels and metabolism of neurosteroids [allopregnanolone (AP), 3alpha-dihydroprogesterone (3alpha-DHP), progesterone (PROG), 20alpha-dihydroprog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5dc83b326e27ba4d888dc80ce71c0c5e
https://doi.org/10.1248/bpb.31.1646
https://doi.org/10.1248/bpb.31.1646
Publikováno v:
Analytical and Bioanalytical Chemistry. 391:229-238
A sensitive liquid chromatography–electrospray ionization–tandem mass spectrometric (LC–ESI–MS/MS) method for the determination of 25-hydroxyvitamin D3 [25(OH)D3] in human saliva has been developed and validated. The saliva was deproteinized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b06e5f95462281bade8ab586663a7169
https://doi.org/10.1007/s00216-007-1780-3
https://doi.org/10.1007/s00216-007-1780-3
Publikováno v:
Steroids. 72:865-874
The identification and quantification of tetrahydrocorticosterone isomers (THBs; 3alpha,5alpha-, 3beta,5alpha-, 3alpha,5beta- and 3beta,5beta-THB) in rat brains using liquid chromatography (LC)-mass spectrometry (MS) are described. For the identifica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e6bb145268342c02127faf4de1a414d
https://doi.org/10.1016/j.steroids.2007.07.008
https://doi.org/10.1016/j.steroids.2007.07.008
Publikováno v:
Analytical Sciences. 23:1015-1019
A sensitive liquid chromatography-electrospray ionization-tandem mass spectrometric (LC-ESI-MS/MS) method for the determination of the rat brain 5alpha-androstane-3alpha,17beta-diol (3alpha,5alpha-Adiol) has been developed and validated. The brain ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a14aea8894d74d9dcf7900c540b662d6
https://doi.org/10.2116/analsci.23.1015
https://doi.org/10.2116/analsci.23.1015
Publikováno v:
Journal of Chromatography B. 848:188-199
A sensitive liquid chromatography-electrospray ionization-tandem mass spectrometric (LC-ESI-MS-MS) method for the simultaneous determination of 5 alpha-reduced pregnan-type neurosteroids, allopregnanolone (AP), epiallopregnanolone and 5 alpha-dihydro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2accca8df7c9363247beeb942b0e7837
https://doi.org/10.1016/j.jchromb.2006.10.036
https://doi.org/10.1016/j.jchromb.2006.10.036
Publikováno v:
Journal of Pharmaceutical and Biomedical Analysis. 43:1782-1788
A simple and sensitive liquid chromatography-electrospray ionization-mass spectrometric (LC-ESI-MS) method for the simultaneous quantification of representative 17-ketosteroid sulfates, dehydroepiandrosterone sulfate (DHEAS), androsterone sulfate and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bad338197673ca61997f48393e6da66a
https://doi.org/10.1016/j.jpba.2006.12.029
https://doi.org/10.1016/j.jpba.2006.12.029