Proteins synthetic polymers

Historically, natural polymers such as carboxymethylcellulose, starch and proteins, synthetic polymers such as polyvinyl alcohol, polyamides and many... 

In contrast to biological macromolecules such as proteins, synthetic polymers are, in general, polydisperse. Their molar masses, which show a broad distribution of... 

Polymers are large molecules (macromolecules) that consist of one or two small molecules (monomers) joined to each other in long, often highly branched, chains in a process called polymerization. Both natural and synthetic polymers exist. Some examples of natural polymers are starch, cellulose, chitin (the material of which shells are made), nucleic acids, and proteins. Synthetic polymers, the subject of this chapter, include polyethylene, polypropylene, polystyrene, polyesters, polycarbonates, and polyurethanes. In their raw, unprocessed form, synthetic polymers are sometimes referred to as resins. Polymers are formed in two general ways by addition or by condensation. 

Flow FFF has been applied to the separation of proteins, synthetic polymers, and a variety of colloidal particles. Figure 33-21 illustrates the separation of three proteins by flow FFF. The reproducibility is illustrated by the fractograms for the three injections. 

Polypeptide and protein Synthetic polymers Polyamide Polyesters... 

Living NCA polymerizations of a wide variety of monomers have also been initiated with transition metal catalysts, allowing the preparation of proteins and block copolypeptide-sin high yield with low polydispersity. NCA catalysts have also been employed to produce low-polydispersity protein-synthetic polymer hybrid materials. Using a bifunctional initiator in nickel-mediated NCA polymerization followed by ATRP, poly(Y-benzyl-L-glutamate-l7-methyl methacrylate) (PBLG-b-PMMA) was prepared with polydispersity in the range of 1.2-1.4. ... 

Try size-exclusion LC for separation of high molecular mass samples (proteins, synthetic polymers, etc.). 

The advantage of the latter reactions is that they are generally applicable to a variety of proteins, synthetic polymers and plasma-treated surfaces [82]. The overall surface density of the peptides can also be eontrolled easily via these chemical modification strategies, which can have a large impaet on eell proliferation and differentiation, particularly when coupled with manipulation of the chemical composition of the matrix material [85]. 

Figure 29.3 Concentration dependency of the mean diameter of GUVs in the presence of proteins, synthetic polymers, and salts. Na2S04 was employed as salt stress. An electric field (1.5 V, 10 Hz) was applied to the chamber.

Klok H (2009) Peptide/protein-synthetic polymer conjugates quo vadis. Macromolecules 42 7990-8000... 

Since late twentieth century, manufactured protein fibers with different stmc-tures and properties are being developed with new technologies, such as the use of chemical and biochemical treatments and the spinning of protein/synthetic polymer bicomponent fibers. Figure 5.21 shows a SEM image of a core-sheath soybean protein/polyvir rl alcohol bicomponent fiber. 

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