24 results found

Search Results for: radioactive

Radioactive atom

Radioactive atom (Science: chemistry, physics) An atom with an unstable nucleus, which emits particulate or electromagnetic... Read More

Radioactive decay

radioactive decay (Science: physics) The process by which a spontaneous change in nuclear state takes place. This process is... Read More

Radioactive

radioactive Giving off... Read More

Irradiation

Irradiation treatment by ionising radiation, such as x-rays or radioactive sources such as radioactive iodine seeds. See:... 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

Maxam-Gilbert sequencing

Definition noun A DNA sequencing technique developed in 1976-1977 by Allan Maxam and Walter Gilbart to identify the sequence... Read More

Secular equilibrium

secular equilibrium A type of radioactive equilibrium in which the half-life of the precursor (parent) radioisotope is so... Read More

Half-life

Definition noun, plural: half-lives (1) Biological half-life, i.e. the period in which the amount of substance inside the... Read More

Label

Label 1. To incorporate into a compound a substance that is readily detected, such as a radionuclide, whereby its metabolism... Read More

Element

Element Definition noun plural: elements el‧e‧ment, ˈel.ɪ.mənt (biochemistry) A substance that cannot be... Read More

Carbon

Carbon is one of the chemical elements found in nature. A chemical element refers to the pure substance of one type of atom.... Read More

Radiation

radiation (Science: radiobiology) propagation of energy through space. In the context of this report, it is electromagnetic... Read More

Hydrogen

Hydrogen is one of the chemical elements found in nature. A chemical element refers to the pure substance of one type of... Read More

Pollution

Definition noun (1) The change in the environment caused by natural or artificial input of harmful contaminants into the... Read More

Activity

Activity 1. The state of being active, the ability to produce some effect, the extent of some function or action. 2.... Read More

Metabolism

Metabolism Definition What is metabolism in the body? Metabolism encompasses the various biochemical processes, reactions,... Read More

Prokaryote

Prokaryote refers to any of the group of organisms primarily characterized by the lack of true nucleus and other... Read More

Dna ligase

Dna ligase (Science: enzyme molecular biology) enzyme involved in dna replication. The dna ligase of E. Coli seals nicks in... Read More

Disintegration

Disintegration The process by which anything is disintegrated; the condition of anything which is disintegrated. (Science:... Read More

Bacteria

Bacteria Definition What are bacteria? What is the definition of bacteria in biology? Bacteria are defined as organisms... Read More

Peroxidase

peroxidase (Science: enzyme) A haem enzyme that catalyses reduction of hydrogen peroxide by a substrate that loses two... Read More

Decay

Decay to pass gradually from a sound, prosperous, or perfect state, to one of imperfection, adversity, or dissolution; to... Read More

Pioneer species

You might have come across news of some barren lands turning into luscious grasslands or forests after decades? Or you might... Read More

Polyploidy

Reviewed by: Mary Anne Clark, Ph.D. Polyploidy Polyploidy is defined as the state of being polyploid, which... Read More