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Dry PAA is a white solid. It is capable of absorbing many times its weight in water, and hence is used in disposable diapers. Indiapers it is a fine powder - see picture of material form a diaper. Polyacrylic acid is found in a wide variety of household and personal care products: Dia...
Caffeine and N-butylamine (Sigma-Aldrich®) were the calibration standards for positive ions and buspirone hydrochloride, sodium dodecyl sulfate, and taurocholic acid sodium salt were used to calibrate the mass spectrometer. These compounds were dissolved in a mixture of acetic acid, acetonitrile, ...
Cbz-Cl (18.5 μl,0.155 mmol) in diethyl ether (0.2 ml) was dropped to a solution of (R)-1(36.4 mg, 0.129 mmol) in 10% aqueous Na2CO3(1.8 ml) at 0°C,and stirred for 5 h. The reaction mixture was acidified with 10% citric acid,extracted with CHCl3(10mlX3). The organic layer ...
A large, magneticstirbarisadded to the flask that contains the crude solid diacetonide from procedure Aabove and700–800 mL ofdichloromethane(10 mL/g of diacetonide)is added. The flask is equipped with a condenser and heatingmantle, and the slurry is stirred vigorously and heated to reflux un...
Bis-(sodium sulfopropyl)-disulfide is a white to light yellow solid powder, mainly used in acid copper plating brightener, and can obtain decorative and functional coatings (such as printed circuit boards).
Serum starvation is a kind of stress that can induce translational repression58,59,60,61. A short sodium arsenite treatment induced the formation of stress granules detected by TIA-1 and eIF4E antibodies (Supplementary Fig.4a, b). However, EJC accumulation around centrosome did not correspond to...
during winter. Compared with total Mn, water-soluble Mn precisely tracked all of the sulfate variation trends in the observation period (Fig.5). Since these results were consistent with our prior experiments, they provided solid evidence that dissolved Mn played a key role in sulfate formation. ...
and cautiously quenched with aqueous sodium hydroxide (1 N,178 mL). The contents were stirred for 3 h, THF was removed under vacuum, the resultingaqueous suspension was cooled to 0 °C, and the product was filtered off. After drying, theproduct was obtained as a white solid: 7.78 g (...
The 9-1-1 DNA checkpoint clamp is loaded onto 5′-recessed DNA to activate the DNA damage checkpoint that arrests the cell cycle. The 9-1-1 clamp is a heterotrimeric ring that is loaded in Saccharomyces cerevisiae by Rad24-RFC (hRAD17-RFC), an alternate