Ethidium bromide-agarose gel electrophoresis is an extensively used procedure for the analysis of DNA; it has been reported to be sensitive to as little as 50 ng of DNA (7). The standard methods for staining gels involve adding 0.5 μg/mL ethidium bromide to both the agarose gel and the running buffer or soaking the gel in a solution of ethidium bromide after electrophoresis has been performed (...

pyridostigmine bromide (pb) is a reversible cholinesterase inhibitor. the aim of this study was to determine the effect of orally administration of single dose sustained-released tablet of pyridostigmine bromide (pbsr) on the frequency domain indices of heart rate variability (hrv). thirty-two healthy young men were participated in this study. they were divided into 2 groups; the pyridostigmine...