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质量水平
产品线
BioUltra
形式
solid
分子量
Mr 5000-7000
杂质
insoluble matter, passes filter test
≤20 mg/kg peroxides (as H2O2)
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
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Galegae orientalis幼苗的胁迫（脱水）处理。它已被用于制备水性两相系统以研究跨界面的蛋白质扩散。
其他说明
蛋白质的分级沉淀;原生质体融合;病毒纯化;在含有PEG和抗体的琼脂糖凝胶上进行蛋白电印迹
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type N95 (US)
K C Ingham
Methods in enzymology, 182, 301-306 (1990-01-01)
Polyethylene glycol is a nondenaturing water-soluble polymer whose ability to precipitate protein from aqueous solution can be qualitatively understood in terms of an excluded volume mechanism. The increment in PEG concentration required to effect a given reduction in solubility is
Carolina Reyes et al.
Research in microbiology, 171(3-4), 134-142 (2020-01-29)
Ammonia oxidizing archaea (AOA) inhabiting soils have a central role in the global nitrogen cycle. Copper (Cu) is central to many enzymes in AOA including ammonia monooxygenase (AMO), the enzyme involved in the first step of ammonia oxidation. This study
J.B. Power et al.
Methods in Enzymology, 118, 578-578 (1986)
Rapid bacteriophage sedimentation in the presence of polyethylene glycol and its application to large-scale virus purification.
K R Yamamoto et al.
Virology, 40(3), 734-744 (1970-03-01)
Protein diffusion across the interface in aqueous two-phase systems.
Munchow G, et al.
Langmuir, 24, 8547-8553 (2008)
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