Air exchange between people has emerged in the COVID-19 pandemic as important vector for transmission of SARS-CoV-2 virus. We study airflow and two unmasked individuals conversing face-to-face at short range, which can potentially transfer a high dose pathogen, because dilution is small when compared to long-range airborne transmission. conduct flow visualization experiments direct numerical si...

     Colocasia esculenta Linn (CE) is traditionally used for the treatment of various ailments such as high blood pressure, rheumatic pain, pulmonary congestion, etc. Hence in present study, the effect of aqueous extract of CE leaves (AECE) was evaluated for antihypertensive and acute diuretic activity in rats. Preliminary phytochemical evaluation revealed the presence of carbohydrate, saponins...

SUMMARY A sub-grid finite-difference time-domain (FDTD) method was applied to analyze electromagnetic (EM) interaction between a 5 GH band antenna mounted laptop personal computer (PC) and a human body model in realistic use situations. The investigated situations were a typing and a non-typing PC users, who were simulated with a realistic whole body or half body model. It was found that the bo...