Product Name :
Chitosan Fluorescein, 50-200 cP, 85% DDA
Classification :
Polysaccharide / Chitosan Fluorescein, 50-200 cP, 85% DDA
Description :
Chitosan is labeled with fluorescein (FITC), Ex/Em wavelength 494/518 nm. Purity: >95% powder. Standard Degree of substitution (DoS): 1 mol % substitution and at least one dye molecule per polymer. Chitosan labeled with other types of fluorescent dyes may be offered through our custom synthesis.
Properties:
Chitosan is produced by deacetylation of chitin, which is the structural element in the exoskeleton of crustaceans (such as crabs and shrimp) and cell walls of fungi. The degree of deacetylation (%DD) can be determined by NMR spectroscopy from 60 to 100%.Chitosan products are characterized by either its MW or its viscosity. The amino group in chitosan has a pKa value of ~6.5.
References:
1) High-Yield Production of Biohybrid Microalgae for On-Demand Cargo Delivery, Adv. Sci. 2020, doi: 10.1002/advs.2020012562) Intrinsic viscosity–molecular weight relationship for chitosan, Journal of Polymer Science: Part B: Polymer Physics, Vol. 38, 2591–2598 (2000), Text. Link.3) Molecular weight dependent antimicrobial activity by chitosan, New Macromolecular Architecture and Functions (in English), Proceedings of the OUMS 95, 2nd, Toyonaka, Japan, June 2-5, 1995 , 199-207.Click here to view an expanded list of thousands of publications citing Creative PEGWorks products.
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