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詳細
7-Fluorobenzofurazan-4-sulfonic acid ammonium salt, also known as SBD-F, is a low molecular weight sensitive fluorescent probe. SBD-F reacts with sulfhydryl groups (disulfides do not react with SBD-F and must first be reduced to thiols, such as tributylphosphine) to produce highly fluorescent compounds. The rate of reaction of thiols with SBD-F gradually increases with increasing pH. High fluorescence intensities are observed at pH 2-12. SBD-F has an excitation range between 380-385nm and an emission range between 510-515nm.
アプリケーション
SBD-F is suitable for the HPLC determination of biological thiols at the picomole level. SBD-F has been used in HPLC methods for measuring total plasma and serum homocysteine levels. It is also suitable to determine metallothionein in a tandem column HPLC method with an isocratic solvent system. SBD-F has been used for determining the position of disulfide linkages of cysteine residues in proteins and for detecting cysteine-containing peptides.
チオ-ルの蛍光プロ-ブやHPLCで生体チオ-ルのプレカラム標識に用いられます。
保管分類コード
11 - Combustible Solids
WGK
WGK 3
引火点(°F)
Not applicable
引火点(℃)
Not applicable
個人用保護具 (PPE)
Eyeshields, Gloves, type N95 (US)
適用法令
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Jan Code
F4383-25MG:
F4383-1MG:
F4383-BULK:
F4383-10MG:
F4383-VAR:
試験成績書（COA）
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T Toyo'oka et al.
Biomedical chromatography : BMC, 3(4), 166-172 (1989-07-01)
Biological thiols and disulfides in rat and hamster tissues were simultaneously determined by HPLC-fluorescence detection using 4-(aminosulfonyl)-7-fluoro-2,1,3-benzoxadiazole (ABD-F) and ammonium 7-fluoro-2,1,3-benzoxadiazole-4-sulfonate (SBD-F). The coefficients of variation (CV) of the method for reduced glutathione (GSH) and oxidized glutathione (GSSG) in liver
B L Ling et al.
Journal of pharmaceutical and biomedical analysis, 10(10-12), 985-988 (1992-10-01)
The present investigation analyses the potentials of capillary chromatography using packed fused silica capillaries filled with 5 microns RP-18 for the fluorescence determination of glutathione in human blood samples. Adaptation of conventional HPLC equipment for miniaturized chromatographic assays proved successful.
N P Dudman et al.
Clinical chemistry, 42(12), 2028-2032 (1996-12-01)
The recognition of homocysteine as a vascular risk factor has led to increased clinical interest in assaying plasma homocysteine concentrations. Our aim was to improve the reliability of a widely used assay based on HPLC of the fluorescent 7-benzo-2-oxa-1, 3-diazole-4-sulfonic
P E Cornwell et al.
Journal of chromatography, 617(1), 136-139 (1993-07-23)
A modification of a previously published method for analysis of total homocysteine in human serum is presented. The modification was implemented to allow use of a different derivatizing agent (i.e., 7-fluorobenzo-2-oxa-1,3-diazole-4-sulfonamide) which reacts much faster than the original derivatizing reagent
I Fermo et al.
Journal of chromatography. B, Biomedical sciences and applications, 719(1-2), 31-36 (1998-12-30)
We have modified a high-performance liquid chromatographic (HPLC) procedure based on SBD-F (ammonium-7-fluorobenzo-2-oxa-1,3-diazole-4-sulphonate) pre-column derivatization to obtain an assay that is useful for routine clinical total plasma homocysteine (tHcy) analysis. The introduction of easily handled sodium borohydride instead of the
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