introduction: the purpose of this study was to compare the inhibitory effect of heat-killed candida albicans and dentin powder on the antibacterial activity of chlorhexidine (chx) against enterococcus faecalis and streptococcus sanguis . materials and methods: the antibacterial effect of each group was determined by measuring the zone of inhibition diameter in millimeters after incubation at 37...

When prices are adjusted for quality, electric vehicles stood their ground to petrol cars in the early twentieth century United States. If electricity grid had developed twenty years earlier, they might have reached a 68–79% market share and CO2 emissions per car could declined by 60%, new study finds.