81268-5KG Display Image

Poly(ethylene glycol), BioUltra, for molecular biology, 8,000

Code: 81268-5KG D2-231

Application

Poly(ethylene glycol) has been used as a virioplankton concentrating agent. It has been used in the procedure involving ligation of 5′ mRNAs to RNA oligo linker.<...


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Application

Poly(ethylene glycol) has been used as a virioplankton concentrating agent. It has been used in the procedure involving ligation of 5′ mRNAs to RNA oligo linker.

General description

Poly(ethylene glycol) (PEG) is a non-ionic hydrophilic polymer and is available in different molecular weights. It helps in the purification and crystal growth of proteins and nucleic acids. PEG and dextran together result in aqueous polymer two phase system, which is required for the purification of biological materials. PEG also interacts with cell membrane, thereby allowing cell fusion.

Other Notes

Precipitant in the large-scale preparation of λgt10 bacteriophage

λ50 mg/mL in H2O
anion tracessulfate (SO42-): ≤50 mg/kg, chloride (Cl-): ≤50 mg/kg
cation tracesBi: ≤5 mg/kg, Mo: ≤5 mg/kg, Al: ≤5 mg/kg, As: ≤0.1 mg/kg, Li: ≤5 mg/kg, K: ≤200 mg/kg, Na: ≤200 mg/kg, Cr: ≤5 mg/kg, Mn: ≤5 mg/kg, Sr: ≤5 mg/kg, Mg: ≤5 mg/kg, Ca: ≤10 mg/kg, Pb: ≤5 mg/kg, Cu: ≤5 mg/kg, Ba: ≤5 mg/kg, Fe: ≤5 mg/kg, Zn: ≤5 mg/kg, Ni: ≤5 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg
density1.0845 g/mL at 70 °C, 1.0689 g/mL at 90 °C
formpowder
gradefor molecular biology
impuritiesphosphatases, none detected, RNases, none detected, proteases, none detected, insoluble matter, passes filter test, DNases, none detected
InChI keyLYCAIKOWRPUZTN-UHFFFAOYSA-N
InChI1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
mol wtMr 7000-9000
mp59-64 °C
pH5.5-7.0 (25 °C, 50 mg/mL in H2O)
product lineBioUltra
Quality Level200
SMILES stringC(CO)O
solubilityH2O: 50 mg/mL at 20 °C, clear, colorless
UV absorptionλ: 260 nm Amax: 0.15, λ: 280 nm Amax: 0.10
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81268-1KG
Poly(ethylene glycol), BioUltra, for molecular biology, 8,000

Unit:1KG
List Price: £149.00
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81268-250G
Poly(ethylene glycol), BioUltra, for molecular biology, 8,000

Unit:250G
List Price: £46.00
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Cas Number25322-68-3
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