sodium hydroxide, glycerol were purshased from Synth (São Paulo, Brazil). 2,2-Diphenyl-1-picrylhydrazyl (DPPH), acetonitrile, dichloromethane and methanol were purshased from Sigma-Aldrich (Saint ...

All chemicals used in this study, except for antibiotics (Gibco, USA), were purchased from Sigma-Aldrich (St. Louis ... of solvent A (25 mM ammonium acetate in water and 25 mM ammonium hydroxide in ...

Six Sigma is a quality management methodology used to help businesses improve current processes, products, or services by discovering and eliminating defects. The goal is to streamline quality ...

Sigma investors would be holding their breath right now. That's because Sigma Healthcare shares are not active on the ASX today. The healthcare stock closed at $3.03 a share yesterday after ...

The Sigma Healthcare Ltd (ASX: SIG) share price is having a strong start to the week. In afternoon trade, the pharmacy chain operator and wholesaler's shares are up 12% to $3.02. This follows the ...

Choline is an essential nutrient crucial for the development of the brain and nervous system, particularly during pregnancy. Although choline is found in numerous foods, it can be difficult to ...

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States Department of Chemistry, University of Pittsburgh at Bradford, Bradford, Pennsylvania ...

Table 1 Choline and GPC content in common foods (mg choline moiety/100 g of food) according to the US Department of Agriculture (USDA); the NDB (Nutrient DataBase) identifier is a five-digit numerical ...