Molecular imprinted polymer — A Molecularly Imprinted Polymer (MIP), or plastic antibody is a polymer that is formed in the presence of a molecule that is extracted afterwards, thus leaving complementary cavities behind. These polymers show a certain chemical affinity for the … Wikipedia
Crystallization of polymers — Spherulites viewed between crossed polarizers in an optical microscope. Crystallization of polymers is a process associated with partial alignment of their molecular chains. These chains fold together and form ordered regions called lamellae,… … Wikipedia
elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… … Universalium
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Nanoparticle — In nanotechnology, a particle is defined as a small object that behaves as a whole unit in terms of its transport and properties. Particles are further classified according to size[1] : in terms of diameter, coarse particles cover a range… … Wikipedia
Tacticity — (from Greek taktikos : of or relating to arrangement or order) is the relative stereochemistry of adjacent chiral centers within a macromolecule [ Introduction to polymers R.J. Young ISBN 0412221705 ] . The practical significance of tacticity… … Wikipedia
drug — drug1 /drug/, n., v., drugged, drugging. n. 1. Pharm. a chemical substance used in the treatment, cure, prevention, or diagnosis of disease or used to otherwise enhance physical or mental well being. 2. (in federal law) a. any substance… … Universalium
Drug — /droog/, n. Zoroastrianism. the cosmic principle of disorder and falsehood. Cf. Asha. [ < Avestan drauga] * * * I Any chemical agent that affects the function of living things. Some, including antibiotics, stimulants, tranquilizers,… … Universalium
Branching (chemistry) — [http://www.pslc.ws/macrog/pc.htm] Branching may result from the formation of carbon carbon or various other types of covalent bonds. Branching by ester and amide bonds is typically by a condensation reaction, producing one molecule of water (or… … Wikipedia
Composite material — A cloth of woven carbon fiber filaments, a common element in composite materials Composite materials, often shortened to composites or called composition materials, are engineered or naturally occurring materials made from two or more constituent … Wikipedia
Tissue engineering — Principle of tissue engineering Tissue engineering was once categorized as a sub field of bio materials, but having grown in scope and importance it can be considered as a field in its own right. It is the use of a combination of cells,… … Wikipedia