WebInnovative separation & purification technology for the 21st century SPF is a privately held company developing bioprocessing and bioanalytical devices and applications to meet manufacturing and sample-prep needs of biopharmaceutical companies, life science researchers, and drug development scientists. WebThe SPF applies to UV-B rays only, since those are the rays that cause sunburn. Human skin has a natural SPF, partially determined by how much melanin is present in the skin. …
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