Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Shoji Takitani"'
Publikováno v:
Analytical Sciences. 11:405-409
An electrochemical method has been developed for the determination of L-ascorbic acid (AsA) by a flow injection analysis. The method is based on a reaction of AsA with copper(II) at pH 5.0 to form a readily oxidizable species, followed by electrochem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::026c9933b5e846739481cacd2042b977
https://doi.org/10.2116/analsci.11.405
https://doi.org/10.2116/analsci.11.405
Publikováno v:
Biomedical Chromatography. 8:184-188
Carbonic anhydrase (CA)-immobilized aminopropyl silica precolumn was developed for direct injection determination of certain sulphonamide drugs in biological fluids by column-switching (CS) high-performance liquid chromatography. Under the optimized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3e69cdf31d83db47a8166db90224a16b
https://doi.org/10.1002/bmc.1130080408
https://doi.org/10.1002/bmc.1130080408
Publikováno v:
Journal of Liquid Chromatography. 17:1281-1290
The disadvantage of anhydrotrypsin-immobilized diol silica column, retention of basic peptides having no Arg or Lys at their C-termini and no retention of certain C-termina! Arg peptide, was overcome by using 10 mM acetate buffer (pH 6.0) containing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19ae78764bcb92504d0d3cca90cf92b4
https://doi.org/10.1080/10826079408013762
https://doi.org/10.1080/10826079408013762
Publikováno v:
Chemosphere. 27:2155-2162
Aqueous benz(a)anthracene [B(a)A] solution was treated with chlorine in the absence and presence of bromide ion. Changes in the composition of the halogenated products in water were determined by high performance liquid chromatographic (HPLC) analyse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b67daa62e706e647b74d76a711c64efc
https://doi.org/10.1016/0045-6535(93)90127-q
https://doi.org/10.1016/0045-6535(93)90127-q
Publikováno v:
Journal of Chromatography A. 637:35-41
A column switching high-performance liquid chromatographic system in which peptides retained on an anhydrochymotrypsin (AHC)-immobilized diol-silica precolumn were selectively transferred to and separated on a reversed-phase analytical column was dev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5342251372977fcce9e9083a2ef6a94
https://doi.org/10.1016/0021-9673(93)83096-b
https://doi.org/10.1016/0021-9673(93)83096-b
Publikováno v:
Chromatographia. 35:321-324
A simple and sensitive ion chromatographic method for the estimation of tresyl groups on several activated supports (tresylated diol silica, tresylated Sepharose 4B and Tresyl-5PW) has been developed. The method involves the hydrolysis of tresyl grou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c145e143d1dac610ac48bbcc675ee1ac
https://doi.org/10.1007/bf02277518
https://doi.org/10.1007/bf02277518
Publikováno v:
Journal of Environmental Chemistry. 3:561-569
Studies were performed to develop a simple and sensitive method for detection of mutagens in water. The proposed method consists of solid phase extraction using Sep-Pak-tC18 cartridge and mutagenicity test of the cartridge extracts by the microsuspen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d46dee60695cc6b9dd1fb9659cb28d1e
https://doi.org/10.5985/jec.3.561
https://doi.org/10.5985/jec.3.561
Publikováno v:
Fresenius' Journal of Analytical Chemistry. 345:63-67
A HPLC method using a fluorescence detector is described for the determination of halogenated benz(a)anthracenes (BAX, x=Cl or Br) in water. It consists of the following three procedures; (1) liquid-liquid extraction of BAX with benzene, (2) eliminat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efc463567dc0cc15299da1feda780c33
https://doi.org/10.1007/bf00323328
https://doi.org/10.1007/bf00323328
Publikováno v:
Journal of Chromatography B: Biomedical Sciences and Applications. 582:131-135
A method for the determination of cyanide in human red cells has been developed. Cyanide was extracted from red cells by adding water and methanol, and then derivatized with 2,3-naphthalene-dialdehyde and taurine to give a fluorescent product, which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c4f9731324b8f49dbc77531a46a8fb2
https://doi.org/10.1016/0378-4347(92)80311-d
https://doi.org/10.1016/0378-4347(92)80311-d
Publikováno v:
Chromatographia. 33:113-116
Anhydrochymotrypsin (AHC), a catalytically inert derivative of chymotrypsin in which the serine-residue active site has been converted chemically to a dehydroalanine residue, was immobilized on diol silica by activation with trifluoroethanesulfonyl c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::020f5914c7a675450f9e98b3828d00ff
https://doi.org/10.1007/bf02275889
https://doi.org/10.1007/bf02275889