1 nsfers a proton to the carboxylate to form a nonionized amidine-carboxylic acid two-point hydrogen ne

2 F) values were correlated with log D(ow) for nonionized compounds with the highest BCF value obtained

3 R is a result of direct attack either by the nonionized form of the guanidino group of arginine which

4                      We conclude that small, nonionized Hg-containing species can permeate readily th

5 donor and acceptor juxtaposed by ionized and nonionized hydrogen-bonded interfaces.

6  accepting a proton from the steroid and the nonionized hydroxyl group of catalytic residue Y9 (HO-Y9

7 mine the structures and relative energies of nonionized (N) and zwitterionic (Z) glycine clusters.

8  which are relatively lipid soluble in their nonionized state may diffuse freely across the cell memb