A brief conversion relationship between Intrinsic viscosity and molecular weight HA is a polymer of disaccharides, themselves composed of D-glucuronic acid and D-N-acetylglucosamine, linked via alternating beta-1,4 and beta-1,3 glycosidic…
Hyaluronic Acid Production Flow Chart
Hyaluronic Acid/Sodium Hyaluronate Production Flow Chart One of the most important macromolecules for cosmetic and pharmacological formulations is hyaluronic acid (HA, sodium hyaluronate). It is a high-molecular-mass glycosaminoglycan polysaccharide that…
Organic Chemicals: What’s the other 2% for 98% purity products?
Organic Chemicals: What's the other 2% for 98% purity products? As we all know, for a 99.999% Aluminum metal, it means the total impurities are less than 10ppm. The impurities…
A Brief Introduction to Phytochemicals
A Brief Introduction to Phytochemicals I. What are phytochemicals? Phytochemicals are chemical compounds in natural plants, which are normally nonessential nutrients to human body, but may have biological significance such…
