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81240

Sigma-Aldrich

Poli(etilenglicol)

average Mn 4,000, platelets

Sinónimos:

PEG

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About This Item

Fórmula lineal:
H(OCH2CH2)nOH
Número de CAS:
25322-68-3
MDL number:
MFCD00081839
UNSPSC Code:
12352104
PubChem Substance ID:
24887706
NACRES:
NA.23

biological source

platelets

Quality Level

200

form

powder

mol wt

Mn 3,500-4,500
average Mn 4,000

mp

58-61 °C

Ω-end

hydroxyl

α-end

hydroxyl

SMILES string

C(CO)O

InChI

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

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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General description

Polyethylene glycol (PEG) is a hydrophilic polymer. It can be easily synthesized by the anionic ring opening polymerization of ethylene oxide, into a range molecular weights and variety of end groups. When crosslinked into networks PEG can have high water content, forming “hydrogels PEG is a suitable material for biological applications because it does not trigger an immune response.

Application

Polyethylene glycol (PEG) platelets were used:
  • in PEG-directed gene delivery of protoplast transfection and incubation
  • to prepare extraction for measuring cytosolic phosphoenolpyruvate carboxykinase (PEPCK) from plant tissues
  • as DNA transformation agent in a study of transient gene expression of plant protoplasts, derived from rice leaf sheaths.
  • in preparing isothermal assembly buffer and TSS broth preparation for unique nucleotide sequence (UNS)-guided assembly of repetitive DNA parts
  • in transformation of DNA into log-phase cells of the budding yeast Saccharomyces cerevisiae.
  • as DNA transformation reagent

Other Notes

Polymer networks with grafted cell adhesion peptides for highly biospecific cell adhesive substrates

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Poli(etilenglicol) average Mn 400

Sigma-Aldrich

202398

Poli(etilenglicol)

D-Manitol ≥98% (GC), suitable for plant cell culture

Sigma-Aldrich

M1902

D-Manitol

Agar Type M, suitable for plant cell culture

Sigma-Aldrich

A4800

Agar

Oleg Raitskin et al.
PloS one, 14(2), e0211598-e0211598 (2019-02-28)
Molecular tools adapted from bacterial CRISPR (Clustered Regulatory Interspaced Short Palindromic Repeats) systems for adaptive immunity have become widely used for plant genome engineering, both to investigate gene functions and to engineer desirable traits. A number of different Cas (CRISPR-associated)
Shen, Jinbo, et al. "Isolation, culture, and transient transformation of plant protoplasts
Shen J, et al.
Current Protocols in Cell Biology, 2014, 2-8 null
A simple and effective method to encapsulate tobacco mesophyll protoplasts to maintain cell viability
Lei R, et al.
Methods, 24-32 (2015)
Jennifer DeMars Tripp et al.
Yeast (Chichester, England), 30(5), 191-200 (2013-03-14)
Chemical-based methods have been developed for transformation of DNA into log-phase cells of the budding yeast Saccharomyces cerevisiae with high efficiency. Transformation of early stationary-phase cells, e.g. cells grown in overnight liquid cultures or as colonies on plates, is less
Frédéric Sanchez et al.
Genes, 10(5) (2019-05-28)
Ostreococcustauri is an easily cultured representative of unicellular algae (class Mamiellophyceae) that abound in oceans worldwide. Eight complete 13-22 Mb genomes of phylogenetically divergent species within this class are available, and their DNA sequences are nearly always present in metagenomic
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