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Ch3 2so

Manufactured by Merck Group
Sourced in Germany

Dimethyl sulfoxide ((CH3)2SO) is a colorless, odorless, and hygroscopic liquid. It is a polar aprotic solvent that is miscible with water and a wide range of organic solvents. Dimethyl sulfoxide has a high boiling point and low viscosity, making it a useful solvent for various applications in the laboratory and industry.

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4 protocols using ch3 2so

1

Antioxidant Compound Extraction Technique

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Diethylaminoethyl
cellulose-52
and dialysis membranes (Mw cut-off 8000–14,000
Da) were supplied by Thermo Fisher. Gallic acid, ascorbic acid Sephadex
G-100, (CH3)2SO, (CH3)2SO4, NaBH4, and 2,2-diphenyl-1-picrylhydrazyl
(DPPH) were supplied by Sigma-Aldrich.
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2

Purification and Characterization Protocol

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Sephadex
G-100, (CH3)2SO, CH3I, NaBH4, (CH3CO)2O, and trifluoroacetic acid, CHCl3; and n-butanol, DPPH, gallic acid, and ascorbic
acid were obtained from Sigma-Aldrich. Dialysis membranes [diethylaminoethyl
(DEAE)-cellulose-52], possessing a Mw cutoff
from 8000 to 14 000 Da, were produced by Thermo Fisher. All
utilized chemicals were laboratory grade and can be used without further
purification, except for ethanol purchased from the local providers.
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3

Purification and Use of Specialty Chemicals

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Dimethylsulfoxide, (CH3)2SO (Merck, puriss), DMSO, was freshly distilled under vacuum and over calcium hydride, CaH2 (Fluka, puriss), before use. Titanyl(IV) sulfate, TiOSO4·H2O (Aldrich), barium carbonate, BaCO3 (Fluka, p.a.), and trifluoromethanesulfonic acid, CF3SO3H (Fluka, p.a.), were used as purchased.
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4

Precise Powder Drug Dilution

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Every powder drug was weighted in a recently calibrated precision scale and subsequently diluted in DMSO [Dimethylsulfoxid (CH3)2SO, Merck Schuchardt, München, Germany] in order to obtain stock solutions with 100-fold concentrations of the highest finally required. Stock solutions were prepared in microcentrifuge tubes and stored at −20°C until used.
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