中文名称: | 刚果红 | ||||
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英文名称: | Congo Red | ||||
别名: | 直接红R Direct Red Y | ||||
CAS No: | 573-58-0 | 分子式: | C32H22N6Na2O6S2 | 分子量: | 696.66 |
CAS No: | 573-58-0 | ||||
分子式: | C32H22N6Na2O6S2 | ||||
分子量: | 696.66 | ||||
MDL: | MFCD00004028 | EINEC: | 209-358-4 | ||
EINEC: | 209-358-4 |
基本信息
产品编号: |
C80034 |
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产品名称: |
Congo Red |
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CAS: |
573-58-0 |
储存条件 |
粉末 |
室温 避光 |
四年 |
分子式: |
溶于液体 |
-80℃(密封保存) |
6个月 |
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分子量: |
696.66 |
-20℃(密封保存) |
1个月 |
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化学名: |
Congo Red, for microscopy (Bact.,Bot.,Hist.),indicator (pH 3.0-5.2),Reag.Ph.Eur. |
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Solubility (25°C): |
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体外:
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DMSO |
100mg/mL (143.54mM) |
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Ethanol |
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Water |
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体内(现配现用): |
1.请依序添加每种溶剂:10% DMSO→40% PEG300→5% Tween-80→45% saline Solubility:≥2mg/mL(2.87mM);Clear solution |
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此⽅案可获得 ≥ 2 mg/mL (2.87 mM,饱和度未知) 的澄清溶液。 以 1 mL ⼯作液为例,取 100 μL 20.0 mg/mL 的澄清 DMSO 储备液加到 400 μL PEG300 中,混合均匀;向上述体系中加⼊ 50 μ L Tween-80,混合均匀;然后继续加⼊ 450 μL ⽣理盐⽔定容⾄ 1 mL。 |
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2.请依序添加每种溶剂:10% DMSO→90%(20% SBE-β-CD in saline) Solubility:≥2mg/mL(2.87mM);Clear solution |
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此⽅案可获得 ≥ 2 mg/mL (2.87 mM,饱和度未知) 的澄清溶液。以 1 mL ⼯作液为例,取 100 μL 20.0 mg/mL 的澄清 DMSO 储备液加到 900 μL 20% 的 SBE-β-CD ⽣理盐⽔⽔溶液中,混合均 匀。 |
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<1mg/ml表示微溶或不溶。 |
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普西唐提供的所有化合物浓度为内部测试所得,实际溶液度可能与公布值有所偏差,属于正常的批间细微差异现象。 |
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请根据产品在不同溶剂中的溶解度选择合适的溶剂配制储备液;⼀旦配成溶液,请分装保存,避免反复冻融造成的产品失效。 |
制备储备液
浓度
溶液体积 质量 |
1mg |
5mg |
10mg |
1mM |
1.4354mL |
7.1771mL |
14.3542mL |
5mM |
0.2871mL |
1.4354mL |
2.8708mL |
10mM |
0.1435mL |
0.7177mL |
1.4354mL |
生物活性
产品描述 |
酸碱指示剂,pH 3.0(蓝紫)~5.0(红)。检测胃液中的盐酸和纸张酸度。检定硼酸、氰化物。生物培养基的添加剂。生物染色,如胚胎切片、植物粘蛋白、纤维素、弹性组织等染色。 |
靶点 |
Others |
体外研究 |
Congo Red histochemical stain may serve as a simple screening tool for investigating if the aggregates in mutant cells have misfolded β-pleated sheet secondary structures.Congo Red histochemical dye has the ability to bind specifically to crossed β-pleated sheet structures.Wild-type HSPB1 should maintain protein homeostasis by binding proteins in non-native conformations,thereby preventing substrate aggregation.The T139M mutant, however, fails in this function and results in an accumulation of misfolded proteins,which are targeted by Congo Red for intercalating between the β-pleated sheet structures. Congo Red histochemical stain may serve as a simple tool to investigate if the aggregates in mutant cells have misfolded β-pleated sheet secondary structures. |
推荐实验方法(仅供参考)
细胞实验: |
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HeLa cells are selected for these studies due to their large cytoplasmic volume.Cells transfected with mutant or wild-type HSPB1 constructs are grown on coverslips for 24hr and then are stained with Congo red to determine if the aggregates display amyloidogenic properties.Briefly,cells are first fixed with 10% formalin for 10 min and stained with 1% Congo red for 5 min,followed by destaining with 0.01% potassium hydroxide in 50% ethanol.Coverslips are then passed through graded ethanol concentrations for dehydration and mounted in a mounting medium and examined by fluorescent microscopy under rhodamine filter. |
本计算器可帮助您计算出特定溶液中溶质的质量、溶液浓度和体积之间的关系,公式为:
质量 (g) = 浓度 (mol/L) x 体积 (L) x 分子量 (g/mol)
摩尔浓度计算公式
用本工具协助配置特定浓度的溶液,使用的计算公式为:
开始浓度 x 开始体积 = 最终浓度 x 最终体积
稀释公式
稀释公式一般简略地表示为:C1V1 = C2V2 ( 输入 输出 )