Kroger, N., R. Deutzmann, and M. Sumper. "Polycationic peptides from diatom biosilica that direct silica nanosphere formation." Science 286, (1999): 1129-32.
The soybean phosphatidylethanolamine and phosphatidylinositol were prepared by combining methods of solvents extraction and silica gel column chromatography from soybean oil sediment.
Objective To study the treatment effects of chronic dacryoadenitis and obstruction of nasolacrimal duct by inverse planting silica gel tubes with spherical end.
Calcium ammine catalyst was prepared with metal calcium,dehydrated liquid ammonia as raw materials,nano-silica as a carrier and acetonitrile and propylene epoxide as modifiers.
The silica-phellem block and stomate tubercle on 3rd leaf are underdeveloped, the tubercle of stomate block is small and dense in japonica, big and sparse in O.
When this method is used for the determination of silica in zincous concentrate, the results are coincident with country standard method, but this method is simpler and more rapid.
PQ Will Combine With Ineos Silicas — PQ Corp. and Ineos Silicas will combine to create a new producer of silicates and other inorganic chemicals with annual sales in excess of $1 billion.