货号:A146608
同义名:
埃尔曼试剂
/ Ellman’s Reagent
DTNB is a chemical used to quantify the number or concentration of thiol groups in a sample and can be used for measuring low-molecular mass thiols such as glutathione in both pure solutions and biological samples, such as blood.
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描述 | DTNB, known as Ellman’s Reagent, serves as a specific chemical for quantifying the presence and concentration of thiol groups. It interacts with the free sulfhydryl side chain of cysteine, creating an S-S bond that links the protein to a thionitrobenzoic acid (TNB) residue. The primary benefits of using DTNB over other reagents, such as N-ethylmaleimide or iodoacetamide, lie in its selectivity and the capability to monitor the reaction's progress spectrophotometrically[1]. |
NCT号 | 适应症或疾病 | 临床期 | 招募状态 | 预计完成时间 | 地点 |
NCT01242033 | Oxidative Stress ... 展开 >> Antioxidants 收起 << | Not Applicable | Completed | - | Canada, Ontario ... 展开 >> Clinical Nutrition and Risk Factor Modification Centre; St. Michael's Hospital Toronto, Ontario, Canada, M5C 2T2 收起 << |
NCT03230812 | Glucose Intolerance | Not Applicable | Recruiting | October 2019 | Netherlands ... 展开 >> Maastricht University Recruiting Maastricht, Limburg, Netherlands, 6229ER Contact: Vera Schrauwen, Dr. 003143874951 v.schrauwen@maastrichtuniversity.nl 收起 << |
NCT01980212 | - | Unknown | December 2016 | China, Hunan ... 展开 >> Hunan Provincal Tumor Hospital Recruiting Changsha, Hunan, China, 410013 Contact: Nong Yang, MD +86 731 89762323 yangnong0217@163.com Contact: Chunhua Zhou, MD +86 731 89762321 zhouchunhua@hnszlyy.com Principal Investigator: Nong Yang, MD 收起 << | |
计算器 | ||||
存储液制备 | ![]() |
1mg | 5mg | 10mg |
1 mM 5 mM 10 mM |
2.52mL 0.50mL 0.25mL |
12.62mL 2.52mL 1.26mL |
25.23mL 5.05mL 2.52mL |
CAS号 | 69-78-3 |
分子式 | C14H8N2O8S2 |
分子量 | 396.35 |
SMILES Code | O=C(O)C1=CC(SSC2=CC=C([N+]([O-])=O)C(C(O)=O)=C2)=CC=C1[N+]([O-])=O |
MDL No. | MFCD00007140 |
别名 | 埃尔曼试剂 ;Ellman’s Reagent |
运输 | 蓝冰 |
InChI Key | KIUMMUBSPKGMOY-UHFFFAOYSA-N |
Pubchem ID | 6254 |
存储条件 |
In solvent -20°C:3-6个月-80°C:12个月 Pure form Keep in dark place, sealed in dry, room temperature |
溶解方案 |
DMSO: 105 mg/mL(264.92 mM),配合低频超声,并水浴加热至45℃助溶,注意:DMSO长时间开封后,会吸水并导致溶解能力下降,请避免使用长期开封的DMSO 以下溶解方案都请先按照体外实验的方式配制澄清的储备液,再依次添加助溶剂: ——为保证实验结果的可靠性,澄清的储备液可以根据储存条件,适当保存;体内实验的工作液,建议现用现配,当天使用; 以下溶剂前显示的百分比是指该溶剂在终溶液中的体积占比;如在配制过程中出现沉淀、析出现象,可以通过加热和/或超声的方式助溶
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