Science / Chemistry / Hydroxyl: 1. An -OH group within a molecule. 2. A free radical formed by abstraction of a hydrogen atom from water.

Hydroxylapatite Ceramic

Health / Dentistry / Hydroxylapatite Ceramic: This is a dense, non-resorpable ceramic, which when implanted into bane, displays a highly attractive generic profile, which features a lack of local or systemic toxicity. MORE


Science / Genetics / 5-End: The end of a polynucleotide with a free (or phosphorylated or capped) 5' - hydroxyl group: transcription/translation begins at this end. MORE

Calcium (Ca)

Science / Periodic Table of Elements / Calcium (Ca): Atomic number: 20, Atomic mass: 40.08 g.mol -1, Electronegativity: 1.0, Mass volume: 1.6 g.cm-3 at 20°C, Melting point: 840 °C, Boiling point: 1484 °C, Vanderwaals radius: 0.197 nm, Ionic radius: 0 MORE


Science / Genetics / 3-End: The end of a polynucleotide with a free (or phosphorylated) 3' - hydroxyl group. MORE

Polymer Tooth

Health / Dentistry / Polymer Tooth: 'Replica Tooth' Polyhydroxylethy1methacrylate (PMMA) alone or in combination with other polymers used to form an implant, shaped like a tooth root recently extracted and immediately placed into tooth' MORE


Business / Agriculture / Alcohol: The family name of a group of organic chemical compounds that includes methanol, ethanol, isopropyl alcohol, and others. Ethanol is produced from crops or residues with a high carbohydrate content. Al MORE