L-ascorbic acid 2-phosphate can be used as a culture medium supplement for the osteogenic differentiation of human adipose stem cells (hASCs). L-ascorbic acid 2-phosphate increases alkaline phosphatase (ALP) activity and expression of runx2A in hASCs during the osteogenic differentiation. L-ascorbic acid 2-phosphate is a long-acting vitamin C derivative that can stimulate collagen formation and expression.
Tris[[2-(tert-butoxycarbonyl)ethoxy]methyl]methylamine, a cleavable PEG ADC linker, is employed in the synthesis of antibody-drug conjugates (ADCs). It is also a PEG-based PROTAC linker, specifically Amino-Tri-(t-butoxycarbonylethoxymethyl)-methane, widely used in the synthesis of PROTACs[1].