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應用
伯胺和氨基酸的柱前衍生试剂。 荧光衍生物可以通过反相HPLC检测。 该反应需要 OPA、伯胺和巯基。 在存在过量巯基的情况下，可以对胺进行定量。 在存在过量胺的情况下，可以对巯基进行定量。
其他說明
每毫升溶液含有 1mg 邻苯二甲醛 (P0657)，并且以 2-巯基乙醇作为巯基部分。
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Danger
危險分類
Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Repr. 1B - Skin Corr. 1B - Skin Sens. 1
水污染物質分類（WGK）
WGK 3
其他客户在看
Jin-Aa Oh et al.
Journal of chromatography. A, 1247, 99-103 (2012-06-12)
A simple high performance liquid chromatographic (HPLC) method and a highly sensitive gas chromatography mass spectrometric (GC-MS) method have been established for the determination of ortho-phthalaldehyde (OPA) in water. These methods are based on the derivatization of OPA with hydrazine
Noriko Nishino et al.
Environmental science & technology, 46(15), 8198-8204 (2012-07-20)
Naphthalene, typically the most abundant polycyclic aromatic hydrocarbon in the atmosphere, reacts with OH radicals by addition to form OH-naphthalene adducts. These OH-naphthalene adducts react with O(2) and NO(2), with the two reactions being of equal importance in air at
Quansong Li et al.
Physical chemistry chemical physics : PCCP, 14(18), 6561-6568 (2012-03-30)
The potential energy surface for the intramolecular excited state hydrogen transfer (IESHT) in ortho-phthalaldehyde (OPA), which generates an enol ketene, has been studied with ab initio calculations (MS-CASPT2//CASSCF). The goal of our study is to establish the mechanistic factors that
M Nurul Islam et al.
The New phytologist, 193(1), 51-57 (2011-11-11)
• Sphingolipids are emerging as important mediators of cellular and developmental processes in plants, and advances in lipidomics have yielded a wealth of information on the composition of plant sphingolipidomes. Studies using Arabidopsis thaliana showed that the dihydroxy long-chain base
Vishnu Menon et al.
Journal of fluorescence, 23(2), 311-321 (2012-12-06)
This is the first report of inactivation of xyloglucanase from Thermomonospora sp by pepstatin A, a specific inhibitor towards aspartic proteases. The steady state kinetics revealed a reversible, competitive, two-step inhibition mechanism with IC 50 and K i values of
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