Diallyl Trisulfide (H2S donor) 二烯丙基三硫

Diallyl Trisulfide (H2S donor) 二烯丙基三硫 货号: JP5321-25MG 品牌: Jinpan 标签: 细胞生物学研究

描述

Diallyl Trisulfide (H2S donor) 二烯丙基三硫

产品标签

Diallyl Trisulfide (H2S donor) 二烯丙基三硫;GYY4137;AOAA Hemihydrochloride 氨氧基乙酸半盐酸盐;WSP-1 (Washington State Probe-1);WSP-5;CBS抑制剂;CAS NO. 2050-87-5;

产品信息

产品名称

产品编号 规格           价格(元)
Diallyl Trisulfide (H2S donor)二烯丙基三硫 JP5321-25MG 25mg

523

Diallyl Trisulfide (H2S donor)二烯丙基三硫 JP5321-100MG 100mg

1893

产品描述

二烯丙基三硫(Diallyl Trisulfide, DATS)是一种大蒜中发现的有机多硫化物,用作一种天然的硫化氢(H2S)供体[1]。DATS能够减少前列腺癌细胞PC-3的存活率(IC50=22 μM)[2]和抑制人结肠腺癌细胞HCT15的生长(IC50=11.5μM)[3]。体内,DATS阻抑前列腺癌PC-3细胞裸鼠移植瘤生长,诱导血管平滑肌松弛[4]。

产品特性

CAS NO.:2050-87-5 化学名:di-2-propen-1-yl trisulfide
同义名:DATS; NSC 651936;二烯丙基三硫醚;二烯丙基三硫化物;
分子式:C6H10S3 分子量:178.34
外观:液体 纯度:≥95%
溶解性:溶于DJPO(≥10mg/ml)、乙醇(≥5mg/ml)、不溶于水
化学结构式:Diallyl Trisulfide (H2S donor) 二烯丙基三硫

保存与运输方法

保存:-20ºC保存,至少1年稳定。

运输:冰袋运输。

注意事项

1)   本品并非商业化的临床药物,仅用作科研用途,不得用作临床诊断或治疗,不得用于食品或药品,绝对禁止用在人身上。

2)   为了您的安全和健康,请穿实验服并戴一次性手套操作。

使用方法【源自文献,仅作参考】

文献1,Jiang, Xy., Zhu, Xs., Xu, Hy. et al. Diallyl trisulfide suppresses tumor growth through the attenuation of Nrf2/Akt and activation of p38/JNK and potentiates cisplatin efficacy in gastric cancer treatment. Acta Pharmacol Sin 38, 1048–1058 (2017). https://doi.org/10.1038/aps.2016.176

体外研究(In Vitro Assay):

细胞类型(Cell type):BGC-823 and GSE-1 cell

实验方法(Cell viability assay):The sulforhodamine B (SRB) assay was performed as described to measure BGC-823 and GSE-1 cell viability after DATS treatment. Briefly, 3.0×103 cells/well were grown in 96-well plates for 12 h and exposed todifferent concentrations of DATS (0–400 μmol/L) for 24 or 48 h.

体内研究(In Vivo Assay):

动物模型(Animal Model):Tumor xenograft mice model

实验方法(Assay):To establish gastric carcinoma xenograft tumors in mice, BGC-823 cells (5.0×106) were suspended in 100 μL PBS and subcutaneously injected into the mice. The mice were sacrificed a month later. The tumor was separated by 2 mm fragments and implanted into other mice. When tumor volumes reached approximately 100 mm3,mice were randomized and assigned to the following treatments: control (normal saline, containing 20% β-cycloamylose, every day); cisplatin (5 mg/kg, positive control, every 5 d); treated groups (DATS was formed with β-cycloamylose and dissolved in normal saline, dosage at 20, 30 or 40 mg·kg−1·d−1); and the co-treated group (cisplatin, 5 mg/kg every 5 d and DATS at 30 mg/kg all other days). All mice were sacrificed on the 32nd day,and the tumors were excised for weight measurement and histopathological analysis.

文献2,Predmore BL, Kondo K, Bhushan S, Zlatopolsky MA, King AL, Aragon JP, Grinsfelder DB, Condit ME, Lefer DJ. The polysulfide diallyl trisulfide protects the ischemic myocardium by preservation of endogenous hydrogen sulfide and increasing nitric oxide bioavailability. Am J Physiol Heart Circ Physiol. 2012 Jun 1;302(11):H2410-8. doi: 10.1152/ajpheart.00044.2012. Epub 2012 Mar 30. PMID: 22467307; PMCID: PMC3378306.

体内研究(In Vivo Assay):

动物模型(Animal Model):Tumor xenograft mice model

配制方法(Formulation):DATS was maintained in sealed amber glass ampules and kept at−20°C until use. On the day of experimentation, a fresh glass ampule of DATS was opened. DATS (5μl) was diluted in 500 μl of 100% DJPO. For in vivo experiments, the DATS in 100% DJPO solution was further diluted in sterile saline to obtain the correct dosage to be delivered in a volume of 50 μl. The resulting concentration of DJPO in this dosage was 1%. Vehicle consisted of a solution of 1% DJPO in sterile saline.

实验方法(Assay):DATS was administered at 200 μg/kg before reperfusion by either an intravenous injection 5 min before reperfusion or an intraperitoneal injection 22.5 min before reperfusion.After 24 h of reperfusion, the LV area at risk (AAR) and infarct size were determined by Evan’s blue and 2,3,5-tetrazolium chloride staining, as previously described.

参考文献

[1]Benavides, G.A., Squadrito, G.L., Mills, R.W., et al. Hydrogen sulfide mediates the vasoactivity of garlic. Proc. Natl. Acad. Sci. USA 104(46), 17977-17982 (2007).

[2]Xiao, D., Choi, S., Johnson, D.E., et al. Diallyl trisulfide-induced apoptosis in human prostate cancer cells involves c-jun N-terminal kinase and extracellular-signal regulated kinase-mediated phosphorylation of Bcl-2. Oncogene 23(33), 5594-5606 (2004).

[3]Hosono, T., Fukao, T., Ogihara, J., et al. Diallyl trisulfide supresses the proliferation and induces apoptosis of human colon cancer cells through oxidative modification of ß-tubulin. J. Biol. Chem. 280(50), 41487-41493 (2005).

[4]Xiao, D., Lew, K.L., Kim, Y.A., et al. Diallyl trisulfide suppresses growth of PC-3 human prostate cancer xenograft in vivo in association with bax and bak induction. Clin. Cancer Res. 12(22), 6836-6843 (2006).

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CAY10731 (H2S Probe) 硫化氢荧光探针

CAY10731 (H2S Probe) 硫化氢荧光探针 货号: JP5304-1MG 品牌: Jinpan 标签: 细胞生物学研究

描述

CAY10731 (H2S Probe) 硫化氢荧光探针

 

产品标签

CAY10731;H2S Probe;硫化氢荧光探针;GYY4137;WSP-1 (Washington State Probe-1);WSP-5;CAS NO.2119597-33-8;

产品信息

产品名称

产品编号 规格          价格(元)

CAY10731 (H2S Probe) 硫化氢荧光探针

JP5304-1MG 1mg

753

CAY10731 (H2S Probe) 硫化氢荧光探针 JP5304-5MG 5mg

2973

产品描述

CAY10731是一种用于硫化氢(H2S)检测的荧光探针。一旦与H2S反应,释放出荧光素(FITC)(Ex/Em= 485/535nm),通过其荧光来检测H2S水平。在还原型谷胱甘肽(GSH)、半胱氨酸、H2O3-、SO3-和H2O2以及tBuO和羟基自由基中,CAY10731选择性检测H2S。CAY10731曾用于检测大鼠海马脑片和线虫内的H2S[1]。

 

【补充数据来自文献:Zhou Y, Mazur F, Liang K, Chandrawati R. Sensitivity and Selectivity Analysis of Fluorescent Probes for Hydrogen Sulfide Detection. Chem Asian J. 2022 Mar 1;17(5):e202101399. doi: 10.1002/asia.202101399. Epub 2022 Jan 27. PMID: 35018736; PMCID: PMC9306468.】

Prof. Rona Chandrawati实验团队比较市场上用到的四个硫化氢探针(WSP-1,WSP-5,CAY10731和P3),分别从线性范围(detection range)、灵敏度(sensitivity)、选择性(selectivity)以及不同环境下的性能多个方面来比较。

a)   探针的作用机理见下图:

CAY10731 (H2S Probe) 硫化氢荧光探针

图.Nucleophilic substitution‐based mechanisms of the four H2S probes. Detection of H2S is based on a) nucleophilic substitution through i) disulfide exchange (WSP probes) or ii) ring‐opening fluorescein (CAY probe) or b) a Michael addition reaction (P3 probe). The electrophile is marked in a blue rectangle.

b)   探针的线性范围和灵敏度

CAY10731 (H2S Probe) 硫化氢荧光探针

图. i) Fluorescence response when exposed to increasing concentrations of Na2S (0–10,000 μM; H2S donor), ii) representative time‐dependent fluorescence response for the linear range, and iii) linear correlation for a) WSP‐1 (10 μM), b) WSP‐5 (10 μM), c) CAY (10 μM), and d) P3 (10 μM).

CAY10731 (H2S Probe) 硫化氢荧光探针

灵敏度:WSP-1、WSP-5和CAY10731的荧光强度分别在1000,500和5000μM H2S达到平台期。

线性范围:WSP-1、WSP-5的线性范围分别是0-60μM和0-100μM,CAY10731的线性范围是100-5000μM,仅当H2S浓度高于100μM才会有反应。

产品特性

化学名:carbonic acid, 2-bromoethyl 6′-methoxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3′-yl ester
CAS NO:2119597-33-8 分子式:C24H17BrO7
分子量:497.3 外观:固体
纯度:≥95% 溶解性:溶于DJPO(30mg/ml)、DMF(30mg/ml)
化学结构式:CAY10731 (H2S Probe) 硫化氢荧光探针

保存与运输方法

保存:-20ºC避光干燥保存,至少2年稳定。

运输:室温运输。

注意事项

1)   于实验前将本品置于低温回温后,简单低速离心后,往瓶内加入有机溶剂比如:DJPO配制成适当浓度的母液(比如:1mg CAY10731,加入40.2172μl DJPO充分溶解即得到50mM母液),根据单次用量分装后,置于≤-20℃避光干燥保存。条件允许,请充入惰性气体以保持更好的稳定性。

2)   整个染色过程中需注意避光。

3)   为了您的安全和健康,请穿实验服并戴一次性手套操作。

参考文献

[1]Reja, S.I., Sharma, N., Gupta, M., et al. A highly selective fluorescent probe for detection of hydrogen sulfide in living systems: In vitro and in vivo applications. Chemistry 23(41), 9872-9878 (2017)

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其他信息

品牌:

Jinpan

CAS:

2119597-33-8

规格:

1mg

货期:

咨询客服

Diallyl Trisulfide (H2S donor) 二烯丙基三硫

Diallyl Trisulfide (H2S donor) 二烯丙基三硫 货号: JP5321-100MG 品牌: Jinpan 标签: 细胞生物学研究

描述

Diallyl Trisulfide (H2S donor) 二烯丙基三硫

产品标签

Diallyl Trisulfide (H2S donor) 二烯丙基三硫;GYY4137;AOAA Hemihydrochloride 氨氧基乙酸半盐酸盐;WSP-1 (Washington State Probe-1);WSP-5;CBS抑制剂;CAS NO. 2050-87-5;

产品信息

产品名称

产品编号 规格           价格(元)
Diallyl Trisulfide (H2S donor)二烯丙基三硫 JP5321-25MG 25mg

523

Diallyl Trisulfide (H2S donor)二烯丙基三硫 JP5321-100MG 100mg

1893

产品描述

二烯丙基三硫(Diallyl Trisulfide, DATS)是一种大蒜中发现的有机多硫化物,用作一种天然的硫化氢(H2S)供体[1]。DATS能够减少前列腺癌细胞PC-3的存活率(IC50=22 μM)[2]和抑制人结肠腺癌细胞HCT15的生长(IC50=11.5μM)[3]。体内,DATS阻抑前列腺癌PC-3细胞裸鼠移植瘤生长,诱导血管平滑肌松弛[4]。

产品特性

CAS NO.:2050-87-5 化学名:di-2-propen-1-yl trisulfide
同义名:DATS; NSC 651936;二烯丙基三硫醚;二烯丙基三硫化物;
分子式:C6H10S3 分子量:178.34
外观:液体 纯度:≥95%
溶解性:溶于DJPO(≥10mg/ml)、乙醇(≥5mg/ml)、不溶于水
化学结构式:Diallyl Trisulfide (H2S donor) 二烯丙基三硫

保存与运输方法

保存:-20ºC保存,至少1年稳定。

运输:冰袋运输。

注意事项

1)   本品并非商业化的临床药物,仅用作科研用途,不得用作临床诊断或治疗,不得用于食品或药品,绝对禁止用在人身上。

2)   为了您的安全和健康,请穿实验服并戴一次性手套操作。

使用方法【源自文献,仅作参考】

文献1,Jiang, Xy., Zhu, Xs., Xu, Hy. et al. Diallyl trisulfide suppresses tumor growth through the attenuation of Nrf2/Akt and activation of p38/JNK and potentiates cisplatin efficacy in gastric cancer treatment. Acta Pharmacol Sin 38, 1048–1058 (2017). https://doi.org/10.1038/aps.2016.176

体外研究(In Vitro Assay):

细胞类型(Cell type):BGC-823 and GSE-1 cell

实验方法(Cell viability assay):The sulforhodamine B (SRB) assay was performed as described to measure BGC-823 and GSE-1 cell viability after DATS treatment. Briefly, 3.0×103 cells/well were grown in 96-well plates for 12 h and exposed todifferent concentrations of DATS (0–400 μmol/L) for 24 or 48 h.

体内研究(In Vivo Assay):

动物模型(Animal Model):Tumor xenograft mice model

实验方法(Assay):To establish gastric carcinoma xenograft tumors in mice, BGC-823 cells (5.0×106) were suspended in 100 μL PBS and subcutaneously injected into the mice. The mice were sacrificed a month later. The tumor was separated by 2 mm fragments and implanted into other mice. When tumor volumes reached approximately 100 mm3,mice were randomized and assigned to the following treatments: control (normal saline, containing 20% β-cycloamylose, every day); cisplatin (5 mg/kg, positive control, every 5 d); treated groups (DATS was formed with β-cycloamylose and dissolved in normal saline, dosage at 20, 30 or 40 mg·kg−1·d−1); and the co-treated group (cisplatin, 5 mg/kg every 5 d and DATS at 30 mg/kg all other days). All mice were sacrificed on the 32nd day,and the tumors were excised for weight measurement and histopathological analysis.

文献2,Predmore BL, Kondo K, Bhushan S, Zlatopolsky MA, King AL, Aragon JP, Grinsfelder DB, Condit ME, Lefer DJ. The polysulfide diallyl trisulfide protects the ischemic myocardium by preservation of endogenous hydrogen sulfide and increasing nitric oxide bioavailability. Am J Physiol Heart Circ Physiol. 2012 Jun 1;302(11):H2410-8. doi: 10.1152/ajpheart.00044.2012. Epub 2012 Mar 30. PMID: 22467307; PMCID: PMC3378306.

体内研究(In Vivo Assay):

动物模型(Animal Model):Tumor xenograft mice model

配制方法(Formulation):DATS was maintained in sealed amber glass ampules and kept at−20°C until use. On the day of experimentation, a fresh glass ampule of DATS was opened. DATS (5μl) was diluted in 500 μl of 100% DJPO. For in vivo experiments, the DATS in 100% DJPO solution was further diluted in sterile saline to obtain the correct dosage to be delivered in a volume of 50 μl. The resulting concentration of DJPO in this dosage was 1%. Vehicle consisted of a solution of 1% DJPO in sterile saline.

实验方法(Assay):DATS was administered at 200 μg/kg before reperfusion by either an intravenous injection 5 min before reperfusion or an intraperitoneal injection 22.5 min before reperfusion.After 24 h of reperfusion, the LV area at risk (AAR) and infarct size were determined by Evan’s blue and 2,3,5-tetrazolium chloride staining, as previously described.

参考文献

[1]Benavides, G.A., Squadrito, G.L., Mills, R.W., et al. Hydrogen sulfide mediates the vasoactivity of garlic. Proc. Natl. Acad. Sci. USA 104(46), 17977-17982 (2007).

[2]Xiao, D., Choi, S., Johnson, D.E., et al. Diallyl trisulfide-induced apoptosis in human prostate cancer cells involves c-jun N-terminal kinase and extracellular-signal regulated kinase-mediated phosphorylation of Bcl-2. Oncogene 23(33), 5594-5606 (2004).

[3]Hosono, T., Fukao, T., Ogihara, J., et al. Diallyl trisulfide supresses the proliferation and induces apoptosis of human colon cancer cells through oxidative modification of ß-tubulin. J. Biol. Chem. 280(50), 41487-41493 (2005).

[4]Xiao, D., Lew, K.L., Kim, Y.A., et al. Diallyl trisulfide suppresses growth of PC-3 human prostate cancer xenograft in vivo in association with bax and bak induction. Clin. Cancer Res. 12(22), 6836-6843 (2006).

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规格信息

品牌:

Jinpan

CAS:

2050-87-5

规格:

100mg

货期:

咨询客服

Diallyl Trisulfide (H2S donor) 二烯丙基三硫

Diallyl Trisulfide (H2S donor) 二烯丙基三硫 货号: JP5321-25MG 品牌: Jinpan 标签: 细胞生物学研究

描述

Diallyl Trisulfide (H2S donor) 二烯丙基三硫

产品标签

Diallyl Trisulfide (H2S donor) 二烯丙基三硫;GYY4137;AOAA Hemihydrochloride 氨氧基乙酸半盐酸盐;WSP-1 (Washington State Probe-1);WSP-5;CBS抑制剂;CAS NO. 2050-87-5;

产品信息

产品名称

产品编号 规格           价格(元)
Diallyl Trisulfide (H2S donor)二烯丙基三硫 JP5321-25MG 25mg

523

Diallyl Trisulfide (H2S donor)二烯丙基三硫 JP5321-100MG 100mg

1893

产品描述

二烯丙基三硫(Diallyl Trisulfide, DATS)是一种大蒜中发现的有机多硫化物,用作一种天然的硫化氢(H2S)供体[1]。DATS能够减少前列腺癌细胞PC-3的存活率(IC50=22 μM)[2]和抑制人结肠腺癌细胞HCT15的生长(IC50=11.5μM)[3]。体内,DATS阻抑前列腺癌PC-3细胞裸鼠移植瘤生长,诱导血管平滑肌松弛[4]。

产品特性

CAS NO.:2050-87-5 化学名:di-2-propen-1-yl trisulfide
同义名:DATS; NSC 651936;二烯丙基三硫醚;二烯丙基三硫化物;
分子式:C6H10S3 分子量:178.34
外观:液体 纯度:≥95%
溶解性:溶于DJPO(≥10mg/ml)、乙醇(≥5mg/ml)、不溶于水
化学结构式:Diallyl Trisulfide (H2S donor) 二烯丙基三硫

保存与运输方法

保存:-20ºC保存,至少1年稳定。

运输:冰袋运输。

注意事项

1)   本品并非商业化的临床药物,仅用作科研用途,不得用作临床诊断或治疗,不得用于食品或药品,绝对禁止用在人身上。

2)   为了您的安全和健康,请穿实验服并戴一次性手套操作。

使用方法【源自文献,仅作参考】

文献1,Jiang, Xy., Zhu, Xs., Xu, Hy. et al. Diallyl trisulfide suppresses tumor growth through the attenuation of Nrf2/Akt and activation of p38/JNK and potentiates cisplatin efficacy in gastric cancer treatment. Acta Pharmacol Sin 38, 1048–1058 (2017). https://doi.org/10.1038/aps.2016.176

体外研究(In Vitro Assay):

细胞类型(Cell type):BGC-823 and GSE-1 cell

实验方法(Cell viability assay):The sulforhodamine B (SRB) assay was performed as described to measure BGC-823 and GSE-1 cell viability after DATS treatment. Briefly, 3.0×103 cells/well were grown in 96-well plates for 12 h and exposed todifferent concentrations of DATS (0–400 μmol/L) for 24 or 48 h.

体内研究(In Vivo Assay):

动物模型(Animal Model):Tumor xenograft mice model

实验方法(Assay):To establish gastric carcinoma xenograft tumors in mice, BGC-823 cells (5.0×106) were suspended in 100 μL PBS and subcutaneously injected into the mice. The mice were sacrificed a month later. The tumor was separated by 2 mm fragments and implanted into other mice. When tumor volumes reached approximately 100 mm3,mice were randomized and assigned to the following treatments: control (normal saline, containing 20% β-cycloamylose, every day); cisplatin (5 mg/kg, positive control, every 5 d); treated groups (DATS was formed with β-cycloamylose and dissolved in normal saline, dosage at 20, 30 or 40 mg·kg−1·d−1); and the co-treated group (cisplatin, 5 mg/kg every 5 d and DATS at 30 mg/kg all other days). All mice were sacrificed on the 32nd day,and the tumors were excised for weight measurement and histopathological analysis.

文献2,Predmore BL, Kondo K, Bhushan S, Zlatopolsky MA, King AL, Aragon JP, Grinsfelder DB, Condit ME, Lefer DJ. The polysulfide diallyl trisulfide protects the ischemic myocardium by preservation of endogenous hydrogen sulfide and increasing nitric oxide bioavailability. Am J Physiol Heart Circ Physiol. 2012 Jun 1;302(11):H2410-8. doi: 10.1152/ajpheart.00044.2012. Epub 2012 Mar 30. PMID: 22467307; PMCID: PMC3378306.

体内研究(In Vivo Assay):

动物模型(Animal Model):Tumor xenograft mice model

配制方法(Formulation):DATS was maintained in sealed amber glass ampules and kept at−20°C until use. On the day of experimentation, a fresh glass ampule of DATS was opened. DATS (5μl) was diluted in 500 μl of 100% DJPO. For in vivo experiments, the DATS in 100% DJPO solution was further diluted in sterile saline to obtain the correct dosage to be delivered in a volume of 50 μl. The resulting concentration of DJPO in this dosage was 1%. Vehicle consisted of a solution of 1% DJPO in sterile saline.

实验方法(Assay):DATS was administered at 200 μg/kg before reperfusion by either an intravenous injection 5 min before reperfusion or an intraperitoneal injection 22.5 min before reperfusion.After 24 h of reperfusion, the LV area at risk (AAR) and infarct size were determined by Evan’s blue and 2,3,5-tetrazolium chloride staining, as previously described.

参考文献

[1]Benavides, G.A., Squadrito, G.L., Mills, R.W., et al. Hydrogen sulfide mediates the vasoactivity of garlic. Proc. Natl. Acad. Sci. USA 104(46), 17977-17982 (2007).

[2]Xiao, D., Choi, S., Johnson, D.E., et al. Diallyl trisulfide-induced apoptosis in human prostate cancer cells involves c-jun N-terminal kinase and extracellular-signal regulated kinase-mediated phosphorylation of Bcl-2. Oncogene 23(33), 5594-5606 (2004).

[3]Hosono, T., Fukao, T., Ogihara, J., et al. Diallyl trisulfide supresses the proliferation and induces apoptosis of human colon cancer cells through oxidative modification of ß-tubulin. J. Biol. Chem. 280(50), 41487-41493 (2005).

[4]Xiao, D., Lew, K.L., Kim, Y.A., et al. Diallyl trisulfide suppresses growth of PC-3 human prostate cancer xenograft in vivo in association with bax and bak induction. Clin. Cancer Res. 12(22), 6836-6843 (2006).

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规格信息

品牌:

Jinpan

CAS:

2050-87-5

规格:

25mg

货期:

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CAY10731 (H2S Probe) 硫化氢荧光探针

CAY10731 (H2S Probe) 硫化氢荧光探针 货号: JP5304-5MG 品牌: Jinpan 标签: 细胞生物学研究

描述

CAY10731 (H2S Probe) 硫化氢荧光探针

 

产品标签

CAY10731;H2S Probe;硫化氢荧光探针;GYY4137;WSP-1 (Washington State Probe-1);WSP-5;CAS NO.2119597-33-8;

产品信息

产品名称

产品编号 规格          价格(元)

CAY10731 (H2S Probe) 硫化氢荧光探针

JP5304-1MG 1mg

753

CAY10731 (H2S Probe) 硫化氢荧光探针 JP5304-5MG 5mg

2973

产品描述

CAY10731是一种用于硫化氢(H2S)检测的荧光探针。一旦与H2S反应,释放出荧光素(FITC)(Ex/Em= 485/535nm),通过其荧光来检测H2S水平。在还原型谷胱甘肽(GSH)、半胱氨酸、H2O3-、SO3-和H2O2以及tBuO和羟基自由基中,CAY10731选择性检测H2S。CAY10731曾用于检测大鼠海马脑片和线虫内的H2S[1]。

 

【补充数据来自文献:Zhou Y, Mazur F, Liang K, Chandrawati R. Sensitivity and Selectivity Analysis of Fluorescent Probes for Hydrogen Sulfide Detection. Chem Asian J. 2022 Mar 1;17(5):e202101399. doi: 10.1002/asia.202101399. Epub 2022 Jan 27. PMID: 35018736; PMCID: PMC9306468.】

Prof. Rona Chandrawati实验团队比较市场上用到的四个硫化氢探针(WSP-1,WSP-5,CAY10731和P3),分别从线性范围(detection range)、灵敏度(sensitivity)、选择性(selectivity)以及不同环境下的性能多个方面来比较。

a)   探针的作用机理见下图:

CAY10731 (H2S Probe) 硫化氢荧光探针

图.Nucleophilic substitution‐based mechanisms of the four H2S probes. Detection of H2S is based on a) nucleophilic substitution through i) disulfide exchange (WSP probes) or ii) ring‐opening fluorescein (CAY probe) or b) a Michael addition reaction (P3 probe). The electrophile is marked in a blue rectangle.

b)   探针的线性范围和灵敏度

CAY10731 (H2S Probe) 硫化氢荧光探针

图. i) Fluorescence response when exposed to increasing concentrations of Na2S (0–10,000 μM; H2S donor), ii) representative time‐dependent fluorescence response for the linear range, and iii) linear correlation for a) WSP‐1 (10 μM), b) WSP‐5 (10 μM), c) CAY (10 μM), and d) P3 (10 μM).

CAY10731 (H2S Probe) 硫化氢荧光探针

灵敏度:WSP-1、WSP-5和CAY10731的荧光强度分别在1000,500和5000μM H2S达到平台期。

线性范围:WSP-1、WSP-5的线性范围分别是0-60μM和0-100μM,CAY10731的线性范围是100-5000μM,仅当H2S浓度高于100μM才会有反应。

产品特性

化学名:carbonic acid, 2-bromoethyl 6′-methoxy-3-oxospiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3′-yl ester
CAS NO:2119597-33-8 分子式:C24H17BrO7
分子量:497.3 外观:固体
纯度:≥95% 溶解性:溶于DJPO(30mg/ml)、DMF(30mg/ml)
化学结构式:CAY10731 (H2S Probe) 硫化氢荧光探针

保存与运输方法

保存:-20ºC避光干燥保存,至少2年稳定。

运输:室温运输。

注意事项

1)   于实验前将本品置于低温回温后,简单低速离心后,往瓶内加入有机溶剂比如:DJPO配制成适当浓度的母液(比如:1mg CAY10731,加入40.2172μl DJPO充分溶解即得到50mM母液),根据单次用量分装后,置于≤-20℃避光干燥保存。条件允许,请充入惰性气体以保持更好的稳定性。

2)   整个染色过程中需注意避光。

3)   为了您的安全和健康,请穿实验服并戴一次性手套操作。

参考文献

[1]Reja, S.I., Sharma, N., Gupta, M., et al. A highly selective fluorescent probe for detection of hydrogen sulfide in living systems: In vitro and in vivo applications. Chemistry 23(41), 9872-9878 (2017)

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规格信息

品牌:

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CAS:

2119597-33-8

规格:

5mg

货期:

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