109 results found

Search Results for: particle

Signal recognition particle

Definition noun A protein-RNA complex important in binding to the mRNA for the recognition of signal peptide on a nascent... Read More

Particle

particle (Science: chemistry) A tiny mass of material. Origin: L. Particula, dim. Of pars =... Read More

Charged particles

Charged particle (Science: radiobiology) a particle which carries a positive or negative electrical charge. In plasma... Read More

Ribosome

Definition noun plural: ribosomes ri·bo·some, ˈɹaɪbəˌsəʊm (cell biology) A minute, sphere-shaped particle... Read More

Particles

particle (Science: chemistry) A tiny mass of material. Origin: L. Particula, dim. Of pars =... Read More

Pseudopodia

A pseudopodium (plural: pseudopodia) refers to the temporary projection of the cytoplasm of a eukaryotic cell. Pseudopodia... Read More

Docking protein

Definition noun A receptor on the membrane of rough endoplasmic reticulum that specifically binds to the signal recognition... Read More

Reverse passive agglutination

Definition noun A type of agglutination reaction in which known antibody is bound to a carrier particle instead of the... Read More

Vibration

vibration 1. The act of vibrating, or the state of being vibrated, or in vibratory motion; quick motion to and fro;... Read More

Active agglutination

Definition noun An agglutination reaction in which the antigen is found naturally on particle Supplement Agglutination... Read More

Signal sequence

Definition noun A sequence of amino acid residues bound at the amino terminus of a nascent protein during protein... Read More

Statolith

Definition noun, plural: statoliths (zoology) An otolith, i.e. a crystalline particle of calcium carbonate and a protein... Read More

Transfection

Definition noun (molecular biology) The process of deliberate introduction of nucleic acids into a recipient eukaryotic... Read More

Rough endoplasmic reticulum

Definition noun plural: rough endoplasmic reticula (cell biology) A type of endoplasmic reticulum wherein polyribosomes... Read More

Activation

Definition noun (general) The state or the process of being active and/or effective (biochemistry) The process of making a... Read More

Cross-sections

Cross-section (Science: physics) Usually refers to the (apparent) area presented by a target particle to an oncoming... Read More

Diffusion

Diffusion Definition Diffusion is the net passive movement of molecules or particles from regions of higher to regions of... Read More

Aquatic Chemistry by W. Stumm & J.J. Morgan

Aquatic Chemistry      AUTHORS:  ... Read More

Plaque-forming unit

Definition A measure of the quantity of individual infectious particles (e.g. virus particles) based on the number of... Read More

Ion

Ion (Science: chemistry, radiobiology) atomic particle, atom or chemical radical bearing an electric charge, either negative... Read More

Photon

Definition noun, plural: photons (physics) A quantum unit of light energy or electromagnetic radiation Supplement A photon... Read More

Signal peptide

Definition noun An extra-peptide extension found at the amino terminus of a nascent protein, and functions by prompting the... Read More

Desolvation

Definition noun The removal or dissociation of the solvent component from the particle as a method of drying a sample or... Read More

Infectious heredity

Definition noun A non-Mendelian inheritance in which an infectious particle within the cell of the host may bring changes in... Read More

Opsonin

Definition noun, plural: opsonins Any substance (e.g. antibody) that binds to the surface of a particle (e.g. antigen) to... Read More

Otolith

Definition noun, plural: otoliths A crystalline particle of calcium carbonate and a protein adhering to the gelatinous... Read More

Phagosome

Definition noun plural: phagosomes phag·o·some, ˈfæg əˌsoʊm (cell biology) A vesicle that forms by pinching off... Read More

photomedicine

Photomedicine Definition Photomedicine is a branch of medicine that specializes in the therapeutic application of light. As... Read More

Cross-section

Cross-section (Science: physics) Usually refers to the (apparent) area presented by a target particle to an oncoming... Read More

Endoplasmic reticulum

Definition noun plural: endoplasmic reticula (cell biology) A membrane-bound organelle that occurs as labyrinthine,... Read More

Molecule

Definition noun, plural: molecules A tiny or a very small piece (of something). (biology or biochemistry) An extremely small... Read More

Introduction to Radiological Physics and Radiation Dosimetry

Introduction to Radiological Physics and Radiation Dosimetry     ... Read More

Wave

wave 1. An advancing ridge or swell on the surface of a liquid, as of the sea, resulting from the oscillatory motion of the... Read More

Prion

prion Origin: proteinaceous infectious particle (microbiology) an infectious protein particle similar to a virus but... Read More

Etp

Etp --> electron transport particles (Science: cell biology) fragments of mitochondria still capable of transporting... Read More

Ribonucleic acid

Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More

Motes

mote A small particle; a speck. Origin: A.S.... Read More

Solution

Definition noun, plural: solutions (chemistry) A type of homogenous mixture in which the particles of one or more substances... Read More

Nucleon

nucleon (Science: physics) Any particle found in the structure of an atomic nucleus, i.e., neutron or... Read More