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Merck
CN

81253

Sigma-Aldrich

聚(乙二醇)

BioUltra, for molecular biology, 6,000

别名:

PEG

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About This Item

线性分子式:
H(OCH2CH2)nOH
CAS号:
MDL编号:
UNSPSC代码:
12352104
PubChem化学物质编号:
NACRES:
NA.26

等级

for molecular biology

质量水平

100
200

产品线

BioUltra

形式

solid

分子量

Mr 5000-7000

杂质

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected

pH值(酸碱度)

5.5-7.0 (25 °C, 50 mg/mL in H2O)

溶解性

H2O: 50 mg/mL at 20 °C, clear, colorless

痕量阴离子

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

痕量阳离子

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤200 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤200 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

50 mg/mL in H2O

紫外吸收

λ: 260 nm Amax: 0.15
λ: 280 nm Amax: 0.10

适用性

suitable for (molecular biology applications)

SMILES字符串

C(CO)O

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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一般描述

聚(乙二醇)(PEG)是非离子型亲水聚合物,并且可以获得不同的分子量形式。它有助于蛋白质和核酸的纯化和晶体生长。PEG可与葡聚糖一起产生含水聚合物两相体系,该体系是生物材料纯化所必需的。PEG还能与细胞膜相互作用,从而使得细胞融合。

应用

聚(乙二醇)已用于HIV(人类免疫缺陷病毒)的浓缩。它已被用于研究乳链菌肽CD(圆二色谱)光谱的溶液中。

其他说明

噬菌体和质粒DNA制备 - λ噬菌体的沉淀; DNA片段的分级分离

WGK

WGK 1

闪点(°F)

Not applicable

闪点(°C)

Not applicable

个人防护装备

Eyeshields, Gloves, type N95 (US)


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Nisin antimicrobial activity and structural characteristics at hydrophobic surfaces coated with the PEO?PPO?PEO triblock surfactant Pluronic? F108.
Tai Y-C, et al.
Journal of Colloid and Interface Science, 322, 104-111 (2008)
Fractionation of DNA fragments by polyethylene glycol induced precipitation.
J T Lis
Methods in enzymology, 65(1), 347-353 (1980-01-01)
Peini Hou et al.
Structure (London, England : 1993), 27(5), 837-845 (2019-03-05)
The evolutionarily conserved Trithorax group protein Ash1 is a SET domain histone methyltransferase that mono- and dimethylates lysine 36 of histone H3 (H3K36). Ash1 forms a complex with Mrg15 and Nurf55, and the binding of Mrg15 greatly stimulates the catalytic
Benjamin J Burwitz et al.
Journal of immunology (Baltimore, Md. : 1950), 204(8), 2169-2176 (2020-03-13)
Currently 247 million people are living with chronic hepatitis B virus infection (CHB), and the development of novel curative treatments is urgently needed. Immunotherapy is an attractive approach to treat CHB, yet therapeutic approaches to augment the endogenous hepatitis B
Smoothened Agonist Reduces Human Immunodeficiency Virus Type-1-Induced Blood-Brain Barrier Breakdown in Humanized Mice.
Singh VB, et al.
Scientific Reports, 6, doi: 10-doi: 10 (2016)

相关内容

Polyethylene glycol (PEG), also sometimes referred to as polyethylene oxide (PEO), is a condensation polymer of ethylene oxide and water that has several chemical properties that make it useful for biological, chemical and pharmaceutical applications.

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