نتایج جستجو برای: bio based polymer

تعداد نتایج: 3048753  

2016
Yuanheng Cai Kewei Zhang Hoon Kim Guichuan Hou Xuebin Zhang Huijun Yang Huan Feng Lisa Miller John Ralph Chang-Jun Liu

Producing cellulosic biofuels and bio-based chemicals from woody biomass is impeded by the presence of lignin polymer in the plant cell wall. Manipulating the monolignol biosynthetic pathway offers a promising approach to improved processability, but often impairs plant growth and development. Here, we show that expressing an engineered 4-O-methyltransferase that chemically modifies the phenoli...

Journal: :Advanced healthcare materials 2015
Sebastian Hackelbusch Torsten Rossow Dirk Steinhilber David A Weitz Sebastian Seiffert

Stimuli-responsive hydrogels are able to change their physical properties such as their elastic moduli in response to changes in their environment. If biocompatible polymers are used to prepare such materials and if living cells are encapsulated within these networks, their switchability allows the cell-matrix interactions to be investigated with unprecedented consistency. In this paper, thermo...

تقی زاده, مهدیه, ریاحی, سیمین, کرمی جویانی, افسانه,

Aim and Background: Gelatin and Chitosan are known as bio-polymers of biocompatible and biodegradable. These bio-polymers are highly regarded in tissue engineering recently. Methods and Materials: This is a review article that searched the reliable internet sources to evaluate the identification and application of polymer scaffolds in various fields of medicine. Discussion and Conclusion:...

2017
Xiaoning Zhang DaShan Brodus Valerie Hollimon Hongmei Hu

Silicon and silicon-based materials are essential to our daily life. They are widely used in healthcare and manufacturing. However, silicon and silicon-based materials are susceptible to bio-fouling, which is of great concern in numerous applications. To date, interdisciplinary research in surface science, polymer science, biology, and engineering has led to the implementation of antifouling st...

2015
G. Ramakers

Towards the development of (bio)degradable polymers with medical relevance a non-radical thiolene synthesis route is investigated. In this work, step growth polymerization based on Michael addition click reactions is presented. Homotelechelic RAFT polymers were conjugated leading to polymers with molar weight distribution typical for a step growth polymerization, tailing up to 100 000 g∙mol-1 i...

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