zwitterion

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zwitterion

[′tsfid·ər‚ī‚än]
(chemistry)
References in periodicals archive ?
The properties of the zwitterionic polyurethanes were investigated, and it was found that their thermal stability decreased as the content of zwitterions increased.
The newly developed liquid crystals contain a zwitterion made up of a negatively charged inorganic portion and a positively charged organic portion.
Tetracycline-containing zwitterions at pH 7 have good adsorption on soils through cationic and anion exchanges.
2] is expressed by the zwitterions reaction mechanism of Danckwerts (1979) and over a range from the moderate chemical reaction rate region to the chemical equilibrium region.
The dictionary covers a wider range of terms than parasitology; some virology terms, such as Aino virus, are included, as are some far afield terms, including hundredweight, hydrogen half-cell, and zwitterions.
These "hills" are possibly composed of mostly the salts of carbamate zwitterions or ammonium bicarbonate, which are the reaction products between C[O.
Proteins (gelatins) are made up of amino acids, which are zwitterions and can posses either a positive or negative charge based on the pH of the solution.
A possible explanation is that the highly polar zwitterions bonded to the glass-fiber surface, causing the evanescent wave sensor to lose sensitivity.