Chitosan Fluorescein, MW 200kDa, 85% DDA

Product Name :
Chitosan Fluorescein, MW 200kDa, 85% DDA

Classification :
Polysaccharide / Chitosan Fluorescein, MW 200kDa, 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.

Antibodies are immunoglobulins secreted by effector lymphoid B cells into the bloodstream. Antibodies consist of two light peptide chains and two heavy peptide chains that are linked to each other by disulfide bonds to form a “Y” shaped structure. Both tips of the “Y” structure contain binding sites for a specific antigen. Antibodies are commonly used in medical research, pharmacological research, laboratory research, and health and epidemiological research. They play an important role in hot research areas such as targeted drug development, in vitro diagnostic assays, characterization of signaling pathways, detection of protein expression levels, and identification of candidate biomarkers.
Related websites: https://www.medchemexpress.com/antibodies.html
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Author: haoyuan2014

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