Health / Vitamins / Ceramides: Substance that keeps skin moisturized, secreted by human body or synthetically, used in hair and skin care products. MORE
Health / Vitamins / Nitrosamine: Potentially carcinogenic compounds formed by the reactions of nitrites with amines or amides normally present in the body. MORE
Science / Periodic Table of Elements / Sodium (Na): Atomic number: 11, Atomic mass: 22.98977 g.mol -1, Electronegativity: 0.9, Density: 0.97 g.cm -3 at 20 ?°C, Melting point: 97.5 ?°C, Boiling point: 883 ?°C, Vanderwaals radius: 0.196 nm, Ionic radi MORE
Science / Genetics / Electrophoresis: A method of separating large molecules (such as dna fragments or proteins) from a mixture of similar molecules. An electric current is passed through a medium containing the mixture, and each kind of MORE
Science / Chemistry / Glutamine: The amide of the amino acid glutamic acid. Glutamic acid often occurs as glutamine when built into proteins. MORE
Science / Chemistry / Asparagine: A natural amino acid that is the amide of aspartic acid. MORE