نتایج جستجو برای: biomaterial

تعداد نتایج: 4841  

Journal: :caspian journal of chemistry 2014
mohammad h fatemi ameneh kerdarshad elham gholami rostami

in this work quantitative structure activity relationship (qsar) methodology was applied for modeling and prediction of cellular response to polymers that have been designed for tissue engineering. after calculation and screening of molecular descriptors, linear and nonlinear models were developed by using multiple linear regressions (mlr) and artificial neural network (ann) methods. the root m...

Journal: :Journal of Biomedicine and Biotechnology 2007
Kris N. J. Stevens Yvette B. J. Aldenhoff Frederik H. van der Veen Jos G. Maessen Leo H. Koole

Extended use of cardiopulmonary bypass (CPB) systems is often hampered by thrombus formation and infection. Part of these problems relates to imperfect hemocompatibility of the CPB circuitry. The engineering of biomaterial surfaces with genuine long-term hemocompatibility is essentially virgin territory in biomaterials science. For example, most experiments with the well-known Chandler loop mod...

2017
Nathaniel Hassan Kirstin McCarville Kenzo Morinaga Cristiane M Mengatto Peter Langfelder Akishige Hokugo Yu Tahara Christopher S Colwell Ichiro Nishimura

Circadian rhythms maintain a high level of homeostasis through internal feed-forward and -backward regulation by core molecules. In this study, we report the highly unusual peripheral circadian rhythm of bone marrow mesenchymal stromal cells (BMSCs) induced by titanium-based biomaterials with complex surface modifications (Ti biomaterial) commonly used for dental and orthopedic implants. When c...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2003
Lorcan T Allen Edward J P Fox Irena Blute Zoe D Kelly Yuri Rochev Alan K Keenan Kenneth A Dawson William M Gallagher

The assessment of biomaterial compatibility relies heavily on the analysis of macroscopic cellular responses to material interaction. However, new technologies have become available that permit a more profound understanding of the molecular basis of cell-biomaterial interaction. Here, both conventional phenotypic and contemporary transcriptomic (DNA microarray-based) analysis techniques were co...

2014
Gabriele Weiler Christina Schröder Fatima Schera Matthias Dobkowicz Stephan Kiefer Karsten R Heidtke Stefanie Hänold Iheanyi Nwankwo Nikolaus Forgó Martin Stanulla Cornelia Eckert Norbert Graf

Biobanks represent key resources for clinico-genomic research and are needed to pave the way to personalised medicine. To achieve this goal, it is crucial that scientists can securely access and share high-quality biomaterial and related data. Therefore, there is a growing interest in integrating biobanks into larger biomedical information and communication technology (ICT) infrastructures. The...

Journal: :Biomaterials 2007
Josephine Allen Yang Liu Young L Kim Vladimir M Turzhitsky Vadim Backman Guillermo A Ameer

The characterization of cellular interactions with a biomaterial surface is important to the development of novel biomaterials. Traditional methods used to characterize processes such as cellular adhesion and differentiation on biomaterials can be time consuming, and destructive, and are not amenable to quantitative assessment in situ. As the development of novel biomaterials shifts towards sma...

2015
Chandramouli Chinnakkannu Vijayakumar Krishnan Venkatakrishnan Bo Tan

Knowledge about cancer cell behavior on heterogeneous nanostructures is relevant for developing a distinct biomaterial that can actuate cancer cells. In this manuscript, we have demonstrated a harmonized approach of forming multi Ti-oxide phases in a nanostructure (MTOP nanostructure) for its unique cancer cell controlling behavior.Conventionally, single phases of TiO2 are used for targeted the...

2016
Anna Marie Lipski Claude Jaquiery Hoon Choi Daniel Eberli Molly Stevens Ivan Martin I-Wei Chen V. Prasad Shastri

2014
Shalini Saxena Caroline E. Hansen L. Andrew Lyon

The field of polymeric biomaterials has received much attention in recent years due to its potential for enhancing the biocompatibility of systems and devices applied to drug delivery and tissue engineering. Such applications continually push the definition of biocompatibility from relatively straightforward issues such as cytotoxicity to significantly more complex processes such as reducing fo...

2006

The cellular response to a biomaterial, such as a dental implant, is mainly governed by the surface properties, and can thus be altered by the introduction of a surface coating. In this thesis the buildup of a biomacromolecule-based coating formed by layerby-layer (LbL) deposition of the charged polypeptides poly(-lysine) (PLL) and poly(glutamic acid) (PGA) has been studied. In an attempt to ...

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