- ￥519
- Sigma-Aldrich
- 进口
- 95904-250G-F
- 2025年10月21日
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- 详细信息
- 文献和实验
- 技术资料
- 保存条件：
常温
- 保质期：
根据瓶身LOT号查询
- 英文名：
Poly(ethylene glycol)
- 库存：
有现货
- 供应商：
浙江羽翔生物科技有限公司
- CAS号：
25322-68-3
- 规格：
250G
属性
产品线
BioUltra
表单
powder
分子量
Mr 3500-4500
环保替代产品特性
Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
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
58-61 °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: ≤0.10
λ: 280 nm Amax: ≤0.04
环保替代产品分类
Aligned
SMILES字符串
C(CO)O
InChI
1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
InChI key
LYCAIKOWRPUZTN-UHFFFAOYSA-N
一般描述
应用
- 小麦原生质体分离和转化缓冲液的组分
- 悬浮细胞培养物的添加剂
- 酵母转化缓冲液的组分
- 半胱氨酸蛋白酶ATG4B结晶化缓冲液的组分
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文献和实验Elastocapillary self-assembled neurotassels for stable neural activity recordings.
Implantable neural probes that are mechanically compliant with brain tissue offer important opportunities for stable neural interfaces in both basic neuroscience and clinical applications. Here, we developed a Neurotassel consisting of an array of flexible and high-aspect ratio microelectrode filaments. A Neurotassel can spontaneously assemble into a thin and implantable fiber through elastocapillary interactions when withdrawn from a molten, tissue-dissolvable polymer. Chronically implanted Neurotassels elicited minimal neuronal cell loss in the brain and enabled stable activity recordings of the same population of neurons in mice learning to perform a task. Moreover, Neurotassels can be readily scaled up to 1024 microelectrode filaments, each with a neurite-scale cross-sectional footprint of 3 × 1.5 μm2, to form implantable fibers with a total diameter of ~100 μm. With their ultrasmall sizes, high flexibility, and scalability, Neurotassels offer a new approach for stable neural activity recording and neuroprosthetics.
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