نتایج جستجو برای: bio based polymer

تعداد نتایج: 3048753  

2010
Chia-Jung Wu Akhilesh K. Gaharwar Patrick J. Schexnailder Gudrun Schmidt

Biomedical polymer-silicate nanocomposites have potential to become critically important to the development of biomedical applications, ranging from diagnostic and therapeutic devices, tissue regeneration and drug delivery matrixes to various biotechnologies that are inspired by biology but have only indirect biomedical relation. The fundamental understanding of polymer-nanoparticle interaction...

Journal: :The Analyst 2014
Minsub Chung Dohyun Kim Amy E Herr

Microfluidic design has advanced existing protein separation capabilities and supported novel assays. Key metrics for successful protein separations include fast, robust, and sensitive analysis of complex mixtures of bio-macromolecules. Attaining high separation resolution is a chief concern. Here we review recent advances in polymer-based electrophoresis sieving materials that are impacting mi...

Journal: :E3S web of conferences 2021

Polymer composites benefit joint prostheses and implants in biomaterials due to their high strength, reliability, elasticity modules. The addition of nanoparticles into the polymer-based matrix has effectively demonstrated up-grading wear resistance implant strength improvement. Therefore, elevated surface area immense properties, considerable attention been paid research integrating for a wide...

2017
Agnes Schulze Martin Schmidt Isabell Thomas Marco Went Kristina Fischer Andrea Prager

To generate polyethersulfone membranes with a biocatalytically active surface, pancreatin was covalently immobilized. Pancreatin is a mixture of digestive enzymes such as protease, lipase, and amylase. The resulting membranes exhibit self-cleaning properties after “switching on” the respective enzyme by adjusting pH and temperature. Thus, the membrane surface can actively degrade a fouling laye...

2007
Anthony J. Guttmann Jesper L. Jacobsen Iwan Jensen Sanjay Kumar

We study the conformations of polymer chains in a poor solvent, with and without bending rigidity, by means of a simple statistical mechanics model. This model can be exactly solved for chains of length up to N = 55 using exact enumeration techniques. We analyze in details the differences between the constant force and constant distance ensembles for large but finite N . At low temperatures, an...

2014
Chunxia Song Xiaohai Yang Kemin Wang Qing Wang Jianbo Liu Jin Huang Leiliang He Pei Liu Zhihe Qing Wei Liu

Sensitive detection of T4 polynucleotide kinase activity based on cyclodextrin polymer enhanced fluorescence combined with exonuclease reaction Chunxia Song, Xiaohai Yang,* Kemin Wang,* Qing Wang, Jianbo Liu, Jin Huang, Leiliang He, Pei Liu, Zhihe Qing, Wei Liu State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry & Chemical Engineering, Key Laboratory for Bio-Nanotec...

2014
Joanna Rydz Wanda Sikorska Mariya Kyulavska Darinka Christova

This review focuses on the polyesters such as polylactide and polyhydroxyalkonoates, as well as polyamides produced from renewable resources, which are currently among the most promising (bio)degradable polymers. Synthetic pathways, favourable properties and utilisation (most important applications) of these attractive polymer families are outlined. Environmental impact and in particular (bio)d...

Journal: :Nanoscale 2010
Dönüs Tuncel Hilmi Volkan Demir

Conjugated polymer nanoparticles are highly versatile nano-structured materials that can potentially find applications in various areas such as optoelectronics, photonics, bio-imaging, bio-sensing and nanomedicine. Their straightforward synthesis in desired sizes and properties, biocompatibility and non-toxicity make these materials highly attractive for the aforementioned applications. This fe...

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