SemenAssay® NAG - Kit for Determination of the Neutral alpha-glucosidase Level in Seminal Plasma (Modified Cooper’s Method) The kit is mainly used for evaluating the secretory function of male epididymis, and for topical diagnosis of obstructive azoospermia. An improved method based on WHO technology More convenient and rapider in test with stable results comparing to traditional Cooper method. Operation in the microplate. Fast and easy-to-use. Available for automatic and semiautomatic tests, good for standardization of test. It is ready for use and easy to handle. 40 tests per kit and meet the need of batch testin