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Key Documents

D9777

Sigma-Aldrich

Dialysis tubing cellulose membrane

avg. flat width 25 mm (1.0 in.)

Synonym(s):

Cellulose dialysis tubing, Dialysis membrane

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About This Item

UNSPSC Code:
41123100
NACRES:
NB.22

avg. diam.

16 mm , when full

avg. flat width

25 mm (1.0 in.)

capacity

~60 mL/ft

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General description

Typical molecular weight cut-off = 14,000.

Packaging

Supplied in rolls, dry

Quality

May contain glycerin and sulfur compounds in more than trace amounts.

Preparation Note

Removal of glycerol included as a humectant can be accomplished by washing the tubing in running water for 3-4 hours. Removal of sulfur compounds can be accomplished by treating the tubing with a 0.3% (w/v) solution of sodium sulfide at 80°C for 1 minute. Wash with hot water (60°C) for 2 minutes, followed by acidification with a 0.2% (v/v) solution of sulfuric acid, then rinse with hot water to remove the acid. This tubing will retain most proteins of molecular weight 12,000 or greater.

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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E Benediktsdóttir et al.
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Journal of invertebrate pathology, 169, 107309-107309 (2019-12-21)
Phospholipase A2 (PLA2) hydrolyzes the ester bond of phospholipids (PLs) at sn-2 and releases free fatty acids and lysophospholipids that are subsequently changed into various signal molecules to mediate various physiological processes. Numerous PLA2s are known in various biological systems
Ivars Petrovskis et al.
Microorganisms, 9(2) (2021-02-13)
The core proteins (HBc) of the hepatitis B virus (HBV) genotypes A, B, C, D, E, F, and G were cloned and expressed in Escherichia coli (E. coli), and HBc-formed virus-like particles (VLPs) were purified with ammonium sulfate precipitation, gel
Maryam Tabassum Hussain et al.
International journal of pharmaceutics, 590, 119955-119955 (2020-10-10)
The addition of polyethylene glycol (PEG) on the surface of liposomes increases their circulation time when administered intravenously. However, the inclusion of PEG using PEGylated phospholipids could result in a possible micelles formation. The development of chimeric systems mixing synthetic

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