To work their way out of the dilemma, they used chemical modification to tailor the materials they used.

Second, Lys69 and Lys85 are protected against chemical modification in chromatin.

Thus, potency was increased over 1000-fold by chemical modification.

It was a chemical modification of a perfectly harmless tranquilizer.

"You'd have to first remove the toxic action by chemical modification," he said.

This analog has a chemical modification at position 40 of the rapamycin ring.

They examined patterns of chemical modification made to histones.

Physical entrapment - the use of a polymer to contain the biomolecule in a matrix without chemical modification.

Surface stability is higher in chemical modification than in physical adsorption.

While regular Spaceoline is a common anti-nausea treatment, a chemical modification can turn it into a dangerous narcotic.