推荐产品
质量水平
产品线
BioUltra
形式
powder
分子量
Mr 1900-2200
杂质
insoluble matter:, passes filter test
≤0.001% peroxides (as H2O2):
pH值（酸碱度）
5.5-7.0 (25 °C, 50 mg/mL in H2O)
mp
50-53 °C
溶解性
H2O: 50 mg/mL at 25 °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: ≤0.1
λ: 280 nm Amax: ≤0.04
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，可获得不同的分子量形式。它有助于蛋白和核酸的纯化和晶体生长。PEG和葡聚糖一起产生生物材料纯化所需的聚合物双水相体系。PEG还可与细胞膜相互作用，从而促进细胞融合。它具有隐身效果，以及延长的血液循环和出色的生物相容性。PEG能过通过刺激补体途径引起超敏反应。
应用
聚乙二醇用于：
- 作为制备液体干燥剂溶液的成分
- 作为蛋白质结晶中的沉淀剂和添加剂
- 作为代表性的生物相容性聚合物，可在分子水平上解释其与细胞系统的相互作用
WGK
WGK 1
闪点(°F)
closed cup
闪点(°C)
closed cup
个人防护装备
Eyeshields, Gloves, type N95 (US)
Influence of osmotic drying with an aqueous poly (ethylene glycol) liquid desiccant on alumina objects gelcast with gelatin
Hammel EC, et al.
Ceramics International, 43(18), 16443-16450 (2017)
Poly(Ethylene Glycol) Chemistry: Biotechnical and Biomedical Applications (2013)
Crystal Structures of Membrane Transporter MmpL3, an Anti-TB Drug Target
Zhang B, et al.
Cell, 176(3), 636-648 (2019)
Li Xu et al.
Biomaterials, 147, 1-13 (2017-09-20)
As the gold standard polymer for drug delivery system, polyethylene glycol (PEG) has excellent biocompatibility. It's reported that the low nonspecific interactions between PEG and body contribute to its biocompatibility. However, here we discover dynamic biological interactions exist between PEG
Lata Govada et al.
Scientific reports, 6, 20053-20053 (2016-02-05)
Controlling crystal nucleation is a crucial step in obtaining high quality protein crystals for structure determination by X-ray crystallography. Carbon nanomaterials (CNMs) including carbon nanotubes, graphene oxide, and carbon black provide a range of surface topographies, porosities and length scales;
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