نتایج جستجو برای: biomedical materials

تعداد نتایج: 490325  

Journal: :Journal of the Royal Society, Interface 2014
Priyanka Bhattacharya Dan Du Yuehe Lin

The demand for green, affordable and environmentally sustainable materials has encouraged scientists in different fields to draw inspiration from nature in developing materials with unique properties such as miniaturization, hierarchical organization and adaptability. Together with the exceptional properties of nanomaterials, over the past century, the field of bioinspired nanomaterials has tak...

2013
Kim Öberg

Advancements in the biomedical field are driven by the design of novel materials with controlled physical and bio-interactive properties. To develop such materials, researchers rely on the use of highly efficient reactions for the assembly of advanced polymeric scaffolds that meet the demands of a functional biomaterial. In this thesis two main strategies for such materials have been explored; ...

Journal: :Progress in polymer science 2012
Daniel J Siegwart Jung Kwon Oh Krzysztof Matyjaszewski

Atom Transfer Radical Polymerization (ATRP) is an effective technique for the design and preparation of multifunctional, nanostructured materials for a variety of applications in biology and medicine. ATRP enables precise control over macromolecular structure, order, and functionality, which are important considerations for emerging biomedical designs. This article reviews recent advances in th...

2017
Tomasz Deptuch Hanna Dams-Kozlowska

The great mechanical properties, biocompatibility and biodegradability of silk-based materials make them applicable to the biomedical field. Genetic engineering enables the construction of synthetic equivalents of natural silks. Knowledge about the relationship between the structure and function of silk proteins enables the design of bioengineered silks that can serve as the foundation of new b...

2015
Marco Biondi Assunta Borzacchiello Laura Mayol Luigi Ambrosio

This review focuses on the most recent developments in the field of nanocomposite hydrogels intended for biomedical applications. Nanocomposite hydrogels are hydrated polymeric networks with a physically or covalently crosslinked three-dimensional (3D) structure swollen with water, in the presence of nanoparticles or nanostructures. A wide array of nanomaterials (polymeric, carbon-based, metall...

Journal: :Nanoscale 2014
Fuyuan Ding Hongbing Deng Yumin Du Xiaowen Shi Qun Wang

Over the past several decades, we have witnessed significant progress in chitosan and chitin based nanostructured materials. The nanofibers from chitin and chitosan with appealing physical and biological features have attracted intense attention due to their excellent biological properties related to biodegradability, biocompatibility, antibacterial activity, low immunogenicity and wound healin...

2017
Nadia Halib Francesca Perrone Maja Cemazar Barbara Dapas Rossella Farra Michela Abrami Gianluca Chiarappa Giancarlo Forte Fabrizio Zanconati Gabriele Pozzato Luigi Murena Nicola Fiotti Romano Lapasin Laura Cansolino Gabriele Grassi Mario Grassi

Because of its high biocompatibility, bio-degradability, low-cost and easy availability, cellulose finds application in disparate areas of research. Here we focus our attention on the most recent and attractive potential applications of cellulose in the biomedical field. We first describe the chemical/structural composition of cellulose fibers, the cellulose sources/features and cellulose chemi...

2010
Zhanwen Xing Xiuli Yue Hengte Ke Meng Liu Zhifei Dai

Creation of novel and smart materials is one of the driving forces for the evolution of coating and encapsulation technologies. A challenge of materials engineering is the controlled assembly of purposefully designed molecules, or ensembles of molecules, into nanoand micrometer-scale structures to provide increasingly precise control at molecular levels, over the structure, properties and funct...

2008
Olya Stoilova Christine Jérôme Christophe Detrembleur Ange Mouithys-Mickalad Nevena Manolova Iliya Rashkov

Star-shaped polymers with a fullerene (C60) core and an unexpanded structure were successfully prepared by reaction of C60 with amino end-capped polyesters HxC60(NHPCLn)x and polyethers HxC60(NHPEGn)x, respectively. Upon irradiation of these C60-derivatives, a large amount of singlet oxygen was released. Compared to previously synthesized star-shaped azafulleroids with an expanded structure, th...

2016
H. F. Li K. J. Qiu F. Y. Zhou L. Li Y. F. Zheng

In the case of medical implants, foreign materials are preferential sites for bacterial adhesion and microbial contamination, which can lead to the development of prosthetic infections. Commercially biomedical TiNi shape memory alloys are the most commonly used materials for permanent implants in contact with bone and dental, and the prevention of infections of TiNi biomedical shape memory allo...

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