Conglomerate crystallization is required for many deracemization or enantioenrichment protocols. Here, we report the metal-mediated mechanochemical transformation of racemic compounds of some proteinogenic amino acids – valine, leucine and isoleucine – into their corresponding conglomerates. Specifically, ZnO has the ability to promote and…[Read more]

13% (95% CI 8.86-16.24%), based on a pooled sample of 7071 individuals. Results of univariate meta-regression analysis revealed that the prevalence of diabetes increased with mean age, hypertension and obesity. There was no significant association between sex (male vs female), smoking, the methodological quality of included articles or education…[Read more]

The aim of the present study was to compare the outcomes of pregnancies complicated by preterm premature rupture of membranes (PPROM) in China.

The present study was a single-center retrospective study of women admitted to Beijing Obstetrics and Gynecology Hospital in 2012, 2014, and 2017. Deliveries at <24 and >37 weeks, fatal…[Read more]