Dictionary » I » Ionisation



(Science: chemistry, radiobiology) Any process by which a neutral atom gains or loses electrons, thus acquiring a net charge, as the dissociation of a substance in solution into ions or ion production by the passage of radioactive particles.

high temperatures, electrical discharges or nuclear radiations can cause ionisation.

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... a chemical (to me, I understood an ion as a charge that is attached to a molecule - and when I say it travels through the body, I'm suggesting the ionisation in the air gets transferred to some material that can absorb an ionic charge - like electrolytes or heavy metals in the body). I suppose ...

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by JoshuaFlynn
Thu May 31, 2012 1:18 pm
Forum: Human Biology
Topic: Electromagnetic fields generated by the human body
Replies: 40
Views: 165400


... in the laboratory, the activity of enzymes is strongly affected by changes in pH and temperature. Changes in pH: alther the state of the ionisation of the charged amino acids; that play a crucial role in the substrate binding and/or the catalytic action itself. As seen experimentally, ...

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by chousta
Thu May 08, 2008 6:21 am
Forum: Molecular Biology
Replies: 10
Views: 19337

pH, pKa

... pKa The information which was given and is required to calculate pKa are: 1) Change in absorbance with pH is directly proportional to change in ionisation of o-nitrophenol with pH. 2) pKa of o-nitrophenol is the pH at which the change in ionisation is half complete (NB [base]=[acid]). 3) O-nitrophenol ...

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by Miss_Me
Tue Feb 27, 2007 7:24 pm
Forum: Molecular Biology
Topic: pH, pKa
Replies: 1
Views: 3135

Gamma Radiation

... So far I applied three experiments, so I got three times radiation. Well... :roll: good for you that gamma radiation has a low capacity for ionisation :) Didn't got above the maximum radiation dosage equivalents ?

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by sdekivit
Wed Jan 31, 2007 8:29 am
Forum: Genetics
Topic: Gamma Radiation
Replies: 5
Views: 2605

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