The doctor recommends sun exposure between 11 am to 2pm for maximum vitamin D synthesis. "The photo conversion of 7-DHC to previtamin D3 and its photoproducts is maximal between 11 a.m. to 2 p.m ...

Chemical Engineering is concerned with the design and operation of processes which convert materials and energy into the higher value products we use every day. It understands the processes which ...

The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China Department of Chemistry, KU Leuven, ...

Vitamin D levels can be measured with a blood test. This test can indicate whether you have adequate levels, are at risk of a vitamin D deficiency, or have levels that are too high. Levels that are ...

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Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, Chemical Biology Research Center, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, People’s Republic ...