The purpose of pesticide formulations and recent requirements of pesticide industry are discussed, and the importance of research work on pesticide delivery systems, is pointed out. For this purpose, the microcapsules, as one of the typical controlled release formulations, play an important role. Handling safety of the pesticides is improved considerably by microencapsulation due to hazard and exposure reduction.

In genetically occurring non-insulin-dependent diabetes mellitus (NIDDM) model rats (GK rats), the activities of L-and T-type Ca 2 ϩ channels in pancreatic ␤ cells are found to be augmented, by measuring the Ba 2 ϩ currents via these channels using whole-cell patch-clamp technique, while the patterns of the current-voltage curves are indistinguishable.

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