This biphasic action—inhibition in high concentrations and stimulation in low concentrations—has been observed with a wide variety of substances, including narcotics, cyanide, pyrithiamine 1 ...
They are usually soft and weak, but can be made hard and tough. Hydrogels are gels that have water as their main constituent. Mechanically controlled polymerization can lead to permanent changes ...
Mark D. P. Willcox, Ph.D.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results