Calf thymus DNA

目录号: GC33841纯度: >98.00%同义词: 小牛胸腺DNA; DNA from calf thymus, Thymonucleic acid
Calf thymus DNA是从雄性和雌性小牛的胸腺中分离出的高质量双链模板DNA。

Calf thymus DNA
Cas No.: 91080-16-9
规格价格库存数量操作
2mg¥446.00现货
1
5mg¥893.00现货
1
10mg¥1,517.00现货
1
25mg¥3,392.00现货
1
50mg¥6,426.00现货
1
100mg¥12,049.00现货
1

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产品描述 Description

Calf thymus DNA is high-quality double-stranded template DNA isolated from the thymus of male and female calves [1]. DNA is usually a major cellular target for the study of small molecules of biological importance, such as carcinogens, steroids, and various drugs [2]. Calf thymus DNA can be used as a standard for DNA quantification, as a substrate for DNA polymerase analysis, and as a carrier DNA for related precipitation analysis [3].

References:
[1] Liu F, et al. Cytotoxicity of Aconitum alkaloid and its interaction with calf thymus DNA by multi-spectroscopic techniques. Sci Rep. 2017 Nov 6;7(1):14509.
[2] Zhang G, Hu X, Pan J. Spectroscopic studies of the interaction between pirimicarb and calf thymus DNA. Spectrochim Acta A Mol Biomol Spectrosc. 2011;78(2):687-694.
[3] Pan LL, Niu W, Fang X, et al. Clostridium butyricum Strains Suppress Experimental Acute Pancreatitis by Maintaining Intestinal Homeostasis [published online ahead of print, 2019 Apr 29]. Mol Nutr Food Res. 2019;e1801419.

Calf thymus DNA是从雄性和雌性小牛的胸腺中分离出的高质量双链模板DNA[1]。DNA 通常是生物学重要性小分子研究的主要细胞靶点,如致癌物、类固醇以及多种药物 [2]。Calf thymus DNA可作为一种标准品用于DNA的定量,作为一种底物用于DNA聚合酶分析,还可作为一种载体DNA用于相关沉淀分析 [3]

实验参考方法 Experimental Reference Method

核酸酶活性测定[1]

1. 溶液的配制:Calf thymus DNA溶于无菌超纯水(无DNase I)中配制成1mg/mL的溶液,溶解时可置于4℃中轻轻颠倒助溶,避免超声及剧烈振动。4℃过夜可使其充分溶解;

注意:浓度较低时(25μg/mL),DNA易吸附至塑料管管壁。DNA在pH值大于8.0的溶液中容易降解,因此不能溶于碱性溶液中。

2.阴性对照组:将7.5μg(1mg/mL溶液中取7.5μL)Calf thymus DNA与50μLTris混合;

阳性对照组:将7.5μg(1mg/mL溶液中取7.5μL)Calf thymus DNA与40μL Tris和10μL DNaseI(2U/mL)混合;

3.将所有的样品在37°C下孵育6小时;

4.孵育完成后用苯酚-氯仿沉淀完整的DNA。

5.通过凝胶电泳在含有Roti-GelStain的1%琼脂糖凝胶上可视化DNA。

6.通过与标准核酸酶活性(分别为DNaseI 0、0.015、0.03、0.06、0.125、0.25、0.5和1U/mL)进行比较来测定相对核酸酶活性。

此协议仅提供了一项指导原则,具体操作时应根据您的实际需求进行调整。

References:

[1] Fingerhut L, Ohnesorge B, von Borstel M, et al. Neutrophil Extracellular Traps in the Pathogenesis of Equine Recurrent Uveitis (ERU). Cells. 2019;8(12):1528. Published 2019 Nov 27.

产品文档 Product Documents

Purity:>98.00%

化学性质Chemical Properties

CAS 号
91080-16-9
同义词
小牛胸腺DNA; DNA from calf thymus, Thymonucleic acid
SMILES
[Calf thymus DNA]
溶解性
Water : 20 mg/mL
保存条件
Store at -20°C,protect from light
General tips
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。
储备液的保存方式和期限:-80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。
为了提高溶解度,请将管子加热至 37°C,然后在超声波浴中震荡一段时间。
Shipping Condition
评估样品解决方案:配备蓝冰进行发货。所有其他可用尺寸:配备 RT,或根据请求配备蓝冰。

计算工具摩尔浓度 / 稀释 / 分子量 / 单位换算

g/mol