Biodegradable Polyurethanes and Poly(ester amide)s
Biodegradable Polyurethanes and Poly(ester amide)s
... Scheme 6.5 Representative regular poly(ester amide)s. 6.5 Aliphatic Poly(ester amide)s 151 134 6 Biodegradable Polyurethanes and Poly(ester amide)s TMDI trimethylhexamethylene diisocyanate ... attachment and proliferation of viable human osteoblast - like cells [46] . 148 6 Biodegradable Polyurethanes and Poly(ester amide)s Starch, which is the sec...
Ngày tải lên: 25/10/2013, 08:20
Biodegradable Dendrimers and Dendritic Polymers
... Conclusively, biodegradable dendrimers and its other architectures ideally should possess the following traits: (i) nontoxic, (ii) nonimmunogenic, and (iii) preferably be biocompatible and biodegradable. ... biodegradabil- ity and biocompatibility, and its biological implications. Tomalia and Newkome et al. introduced well - defi ned and highly branched den- drimers [5, 15...
Ngày tải lên: 25/10/2013, 08:20
Biodegradable Polymers and Their Practical Utility
... biodegradable starchy biopolymers . PhD thesis. Lublin Agricultural University, Poland. 13 Mohanty , A.K. , Misra , M. and Hinrichsen , G. ( 2000 ) Biofi bres, biodegradable polymers and ... Utrecht University, Utrecht. 17 Chandra , R. and Rustgi , R. ( 1998 ) Biodegradable polymers . Progress in Polymer Science , 23 , 1273 . 18 Chandy , T. and Sharma , C.P. ( 1990 )...
Ngày tải lên: 22/04/2014, 22:38
Application of Hydrothermal Reaction to Biodegradability Improvement of Refractory Pollutants: Structural Conversion of Di- and Trichloroacetic Acid to Biodegradable Products
... identified products and unknown materials could contribute to the change of biodegradability and BOD as represented in figure 1, 2 and 4. Thus, biodegradability and the total amount of biodegradable ... products from DCAA and TCAA by hydrothermal reaction at 250 o C and 4 MPa The initial biodegradability of DCAA and TCAA was almost zero. Under the reaction conditions of...
Ngày tải lên: 05/09/2013, 08:40
Oxo-biodegradable Polymers Present Status and Future Perspectives
... Oxidation and Antioxidants , Elsevier , The Netherlands . 9 Billingham , N.C. ,and Calvert , P.D. ( 1983 ) The degradation and stabilisation of 16.5 Processability and Recovery of Oxo -biodegradable ... from absorption bands between 3400 and 3200 cm − 1 and absorptions in the carbonyl region – specifi cally between 1780 and 1700 cm − 1 – are used to evaluate th...
Ngày tải lên: 25/10/2013, 08:20
Báo cáo khoa học: The signature amidase from Sulfolobus solfataricus belongs to the CX3C subgroup of enzymes cleaving both amides and nitriles Ser195 and Cys145 are predicted to be the active site nucleophiles pot
... cleaving both amides and nitriles Ser195 and Cys145 are predicted to be the active site nucleophiles Elisa Cilia 1,2 , Armando Fabbri 1 , Monica Uriani 1 , Giuseppe G. Scialdone 1 and Sergio Ammendola 1,2 1 ... CX 3 C motif. To understand the structural basis of this dual spe- cificity, we constructed random mutants of SsAH and screened them for their activity on amide, nitrile and e...
Ngày tải lên: 07/03/2014, 21:20
Carboxylic acids, esters, amines, and amides
... is reactive but not too dangerous. • Ethanoyl chloride is much more reactive, but, also toxic and hazardous to use. • Ethanoic anhydride & ethanoyl chloride are described as acylating ... derived. Names of esters end in –oate. CH 3 C CH 2 O O CH 3 ethyl ethanoate this part from the acid and is named after it this part comes from the alcohol & is named after it let’s name so...
Ngày tải lên: 15/03/2014, 22:01
Principles and Applications Polyurethanes as Specialty Chemicals pot
... diisocyanate (TDI) and its isomers and meth- ylene-bis-diphenyl diisocyanate (MDI) in monomeric and polymeric forms (see Figure 2.3). As a general rule, TDI makes flexible polyurethanes and MDI produces stiffer ... Foaming Fiber Meshes and Fiber Bonding Freeze Drying Properties and Biodegradation of Polyurethanes Cell Adhesion Conclusion Chapter 7 Development of Artificial Organ...
Ngày tải lên: 23/03/2014, 11:20
Báo cáo sinh học: "Enhanced presentation of MHC class Ia, Ib and class II-restricted peptides encapsulated in biodegradable nanoparticles: a promising strategy for tumor immunotherapy" docx
... (Waters, Milford, MA). Specifically, the peptides and nanoparticles were separated and identified using ultraviolet (UV) detection and known standards, at a wavelength of 280nm (attenuation 0.002 ... and peptide content. We also loaded human and murine dendritic cells (DC) with the peptide-containing nanoparticles and determined their ability to present the encapsulated peptide an...
Ngày tải lên: 18/06/2014, 19:20