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生物染料是能与细胞组成物质,例如DNA,蛋白质,脂质以及糖等,选择性结合、从而区分细胞内结构的特殊物质。其中,部分染料在特定波长激发光的照射下,能够产生荧光,因而被称为荧光染料。在生物学上,染料常被用于生物体标识,例如标记细胞分布,细胞器,蛋白质等。
CSNpharm为广大科研工作者提供种类丰富的染料和荧光染料,用于标识核酸,蛋白质,氨基酸,细胞器,特殊细胞类群,特定组织等。例如JC-1可用于线粒体膜电位检测,Sulforhodamine 101可用于星型胶质细胞标记,D-Luciferin potassium salt可用于动物活体成像。
货号 | 产品名称 | CAS号 | 描述 |
CSN27836 | Calcein AM | 148504-34-1 | Calcein AM is a non-fluorescent molecule which is freely permeable to the plasma membrane of viable cells. |
CSN21917 | Propidium iodide | 25535-16-4 | Propidium iodide (PI) is a red-fluorescent nuclear and chromosome counterstain which can bind to double stranded DNA by intercalating between base pairs. |
CSN11155 | Hoechst 33258 3HCl | 23491-45-4 | Hoechst 33258 3HCl is a widely used nucleic acid stain which can bind to minor-groove of dsDNA and emit blue fluorescence. |
CSN18517 | Hoechst 33342 3HCl | 875756-97-1 | Hoechst 33342 3HCl is a widely used nucleic acid stain which can bind to minor-groove of dsDNA and emit blue fluorescence. |
CSN18148 | Hoechst 34580 | 23555-00-2 | Hoechst 34580 is a widely used nucleic acid stain which can bind to minor-groove of dsDNA and emit blue fluorescence. |
CSN12409 | WST-8 Sodium | 193149-74-5 | WST-8 is a water-soluble tetrazolium salt can be reduced by NADH in good yields at neutral pHs in the presence of 1-methoxy PMS to produce the corresponding formazan dye that absorbs at 460 nm. |
CSN24508 | Sulforhodamine B | 3520-42-1 | The protein dye sulforhodamine B (SRB) could bind electrostatically and pH dependent on protein basic amino acid residues of trichloroacetic acid–fixed cells. |
CSN21697 | JC-1 | 47729-63-5 | JC-1 works as a mitochondrial potential indictor. In intact mitochondria with membrane potential, the polymeric form of JC-1 at high concentration shows red fluorescence excited at 590 nm. |
CSN21857 | Tetramethylrhodamine Methyl Ester Perchlorate | 115532-50-8 | Tetramethylrhodamine Methyl Ester (TMRM) is a fluorescent lipophilic cation which can accumulate rapidly and reversibly in the mitochondria of living cells due to the negative Δψm of the mitochondria with respect to the cytosol. |
CSN21865 | Tetramethylrhodamine Ethyl Ester Perchlorate | 115532-52-0 | Tetramethylrhodamine Ethyl Ester (TMRE) is a fluorescent lipophilic cation which can accumulate rapidly and reversibly in the mitochondria of living cells due to the negative Δψm of the mitochondria with respect to the cytosol. |
CSN27837 | Rhodamine 123 | 62669-70-9 | Rhodamine 123, similar with TMRE and TMRM, is a fluorescent lipophilic cation which can accumulate rapidly and reversibly in the mitochondria of living cells due to the negative Δψm of the mitochondria. |
CSN27843 | Sulforhodamine 101 | 60311-02-6 | Sulforhodamine 101 is a water-soluble, nonfixable red fluorescent dye used to label astrocytes in vitro and in vivo. ||λex 586 nm; λem 605 nm |
CSN17270 | Methoxy-PMS | 65162-13-2 | 1-methoxyPMS is a photochemically stable electron mediator between NAD(P)H and tetrazolium dyes. |
CSN11033 | Fluorescamine | 38183-12-9 | Fluorescamine is not fluorescent itself, but reacts with primary amines at alkaline pH to yield highly fluorescent products with Ex=365 nm and Em=470 nm. |
CSN16244 | CY5-SE | 146368-14-1 | CY5-SE, also called CY5-NHS, is consist of two parts, the fluorophore CY5 and the reactive groups N-Hydroxysuccinimide (NHS). |
CSN16242 | CY7-SE | 477908-53-5 | CY7-SE, also called CY7-NHS, is consist of two parts, the fluorophore CY7 and the reactive group N-Hydroxysuccinimide (NHS). |
CSN16243 | CY3-SE | 146368-16-3 | CY3-SE, also called CY3-NHS, is consist of two parts, the fluorophore CY3 and the reactive group N-Hydroxysuccinimide (NHS). |
CSN11038 | 5(6)-FAM SE | 117548-22-8 | 5(6)-FAM SE, also called 5(6)-FAM NHS, is consist of two parts, the fluorophore 5(6)-FAM and the reactive group N-Hydroxysuccinimide (NHS). |
CSN10052 | 5-FAM SE | 92557-80-7 | 5-FAM SE, also called 5-FAM NHS, is consist of two parts, the fluorophore 5-FAM and the reactive group N-Hydroxysuccinimide (NHS). |
CSN11407 | Dansyl Chloride | 605-65-2 | Dansyl chloride is a sulfonyl chloride compound. |