نتایج جستجو برای: synthetic polymers

تعداد نتایج: 208100  

2018
Farzad Khademi Mohammad Derakhshan Arshid Yousefi-Avarvand Mohsen Tafaghodi

Objectives Production of effective tuberculosis (TB) vaccine is necessity. However, the development of new subunit vaccines is faced with concerns about their weak immunogenicity. To overcome such problems, polymers-based vaccine delivery systems have been proposed to be used via various routes. The purpose of this study was to determine the potential of polymeric particles as future vaccine de...

2013
Jia Niu Ryan Hili David R. Liu

The translation of DNA sequences into corresponding biopolymers enables the production, function and evolution of the macromolecules of life. In contrast, methods to generate sequence-defined synthetic polymers with similar levels of control have remained elusive. Here, we report the development of a DNA-templated translation system that enables the enzyme-free translation of DNA templates into...

2017

Natural and synthetic polymers are widely used as drug delivery tools in pharmaceutical and nanomedicine biotechnology [1-5]. Among synthetic polymers, dendrimers, a family of cationic polymers, are promising nonviral vectors for gene and drug delivery because of a well-defined molecular shape, controlled chemical structure, high water solubility, large number of chemically versatile surface gr...

Journal: :European cells & materials 2003
P A Gunatillake R Adhikari

This paper reviews biodegradable synthetic polymers focusing on their potential in tissue engineering applications. The major classes of polymers are briefly discussed with regard to synthesis, properties and biodegradability, and known degradation modes and products are indicated based on studies reported in the literature. A vast majority of biodegradable polymers studied belongs to the polye...

1997
Bernd Jung Hans-Peter Lenhof Peter Müller Christine Rüb

A parallel algorithm is presented that allows efficient Langevin–dynamics simulations of single macromolecular coils which are the typical structure of synthetic polymers in solution and in bulk. Contrary to the usual spatial decomposition algorithms, we map the one–dimensional topology of the chain molecule on the parallel computer. Only short–range interactions between atoms are considered. T...

2017
Gillian Houlihan Sebastian Arangundy-Franklin Philipp Holliger

Nucleic acids are a distinct form of sequence-defined biopolymer. What sets them apart from other biopolymers such as polypeptides or polysaccharides is their unique capacity to encode, store, and propagate genetic information (molecular heredity). In nature, just two closely related nucleic acids, DNA and RNA, function as repositories and carriers of genetic information. They therefore are the...

2012
Lei Pei Markus Schmidt Wei Wei

To build our economy on a sustainable basis, we need to find a replacement for fossil carbon as chemical industry feedstocks (Andrady and Neal, 2009). There are growing concerns about current petroleum based production, accumulation of waste in landfills and in natural habitats including the sea, physical problems for wildlife resulting from ingestion or entanglement in plastic, the leaching of...

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