The present invention relates to method to substitute second step affinity chromatography with ion exchange chromatography by site-directed mutagenesis at downstream region of GST sequences (H215R and G213R). This is to enable to diferentiate the…

The MSU assessment chart and Tool consists of the MSU vision test chart and MSU Assessment Ruler for binocular vision assessment. It comes with a detachable ruler stick and vision chart plate with box. Both chart and ruler prototypes were…