نتایج جستجو برای: biocompatible materials

تعداد نتایج: 441717  

Journal: :Biomedizinische Technik. Biomedical engineering 2013
Sabine Kirsten Martin Schubert Jürgen Uhlemann Klaus-Jürgen Wolter

Biocompatible polymers utilized for flexible encapsulations of implantable microsystems provide many advantages compared to widely used rigid titanium or ceramic packages. However, polymers alter their properties due to interactions with their environment, but especially for longterm implants, a reliable protective function of these materials is required. To investigate the protective function ...

Journal: :Wiley interdisciplinary reviews. Nanomedicine and nanobiotechnology 2009
Ramón Torrecillas José S Moya Luis A Díaz José F Bartolomé Adolfo Fernández Sonia Lopez-Esteban

This paper reviews the most relevant achievements and new developments in the field of nanomaterials and their possible impact on the fabrication of a new generation of reliable and longer lasting implants for joint replacement. Special emphasis is given to the role of nanocomposites with different microstructural designs: micro-nano composites, nano-nano composites, macro-micro-nano composites...

2010
Dongliang Fu Lain-Jong Li

The interface between biosystems and nanomaterials is emerging for detection of various biomolecules and subtle cellular activities. In particular, the development of cost-effective and sequence-selective DNA detection is urgent for the diagnosis of genetic or pathogenic diseases. Graphene-based nanocarbon materials, such as carbon nanotubes and thin graphene layers, have been employed as biose...

Journal: :Biomagnetic Research and Technology 2004
Jhunu Chatterjee Yousef Haik Ching Jen Chen

BACKGROUND: Biotechnology applications of magnetic gels include biosensors, targeted drug delivery, artificial muscles and magnetic buckles. These gels are produced by incorporating magnetic materials in the polymer composites. METHODS: A biocompatible magnetic gel film has been synthesized using polyvinyl alcohol. The magnetic gel was dried to generate a biocompatible magnetic film. Nanosized ...

2017
Markéta Polívková Tomáš Hubáček Marek Staszek Václav Švorčík Jakub Siegel

Antimicrobial biocompatible polymers form a group of highly desirable materials in medicinal technology that exhibit interesting thermal and mechanical properties, and high chemical resistance. There are numerous types of polymers with antimicrobial activity or antimicrobial properties conferred through their proper modification. In this review, we focus on the second type of polymers, especial...

Journal: :Scientific reports 2016
Kwang-Hsiao Sun Zhao Liu Changjian Liu Tong Yu Tao Shang Chen Huang Min Zhou Cheng Liu Feng Ran Yun Li Yi Shi Lijia Pan

Recent advances in understanding the interaction between electricity and cells/biomolecules have generated great interest in developing biocompatible electrically conductive materials. In this study, we investigated the biocompatibility of a myo-inositol hexakisphosphate gelated polyaniline hydrogel using in vitro and in vivo experiments in a rat model. The polyaniline hydrogel was used to coat...

2006
W. Y. Li K. F. Chan W. F. Fong K. N. Yu

Alpha-particle radiobiological experiments involve irradiating cells with alpha particles and require thin biocompatible materials which can record alpha-particle traversals as substrates for cell cultures. The biocompatibilities of chemically etched CR-39 solid-state nuclear track detectors (SSNTDs) using aqueous NaOH or NaOH/ehtanol are studied through the abundance and morphology of the cult...

Journal: :Soft matter 2015
Xiao-Fang Hou Yong Chen Yu Liu

Biocompatible and enzyme-responsive supramolecular assemblies have attracted more and more interest in biomaterial fields, and find many feasible applications especially in the controlled drug release at specific sites where the target enzyme is located. In this work, novel supramolecular nanoparticles were successfully constructed from two biocompatible materials, i.e. a cyclic polysaccharide ...

Journal: :Acta biochimica Polonica 2014
Kamil Jatczak Grzegorz Grynkiewicz

Critical survey of a selected class of pentacyclic triterpenes--the oleanane family, is presented based on current literature in order to underline their value for medicinal chemistry and drug development potential. Oleanenes may be considered as a renewable resource of valuable research materials which are structurally diverse, inherently biocompatible and have built-in affinity for many categ...

Journal: :Macromolecular bioscience 2013
John G Hardy Aldo Leal-Egaña Thomas R Scheibel

Silk protein-based materials are promising materials for the delivery of drugs and other active ingredients, due to their processability, biocompatibility, and biodegradability. The preparation of films composed of an engineered spider silk protein (eADF4(C16)) in combination with either a polyester (polycaprolactone) or a polyurethane (pellethane), and their physical properties are described. ...

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