نتایج جستجو برای: biomimetic

تعداد نتایج: 8027  

Journal: :Organic & biomolecular chemistry 2016
M D Hardy D Konetski C N Bowman N K Devaraj

As more methodologies for generating and manipulating biomimetic cellular systems are developed, opportunities arise for combining different methods to create more complex synthetic biological constructs. This necessitates an increasing need for tools to selectively trigger individual methodologies. Here we demonstrate ruthenium tris-bipyridine mediated photoredox triggering of the copper catal...

Journal: :Front. Robotics and AI 2018
David Bierbach Juliane Lukas Anja Bergmann Kristiane Elsner Leander Höhne Christiane Weber Nils Weimar Lenin Arias-Rodriguez Hauke J. Mönck Hai Nguyen Pawel Romanczuk Tim Landgraf Jens Krause

Citation: Bierbach D, Lukas J, Bergmann A, Elsner K, Höhne L, Weber C, Weimar N, Arias-Rodriguez L, Mönck HJ, Nguyen H, Romanczuk P, Landgraf T and Krause J (2018) Insights into the Social Behavior of Surface and Cave-Dwelling Fish (Poecilia mexicana) in Light and Darkness through the Use of a Biomimetic Robot. Front. Robot. AI 5:3. doi: 10.3389/frobt.2018.00003 insights into the social Behavio...

2001
Michael A. Lones Andy M. Tyrrell

Biological representations underly biological evolution. Moreover, they are also a product of evolution and consequently well adapted for their purpose. The argument presented in this paper is that the representations of biology are also suitable for representing artificial executable systems in genetic programming and, furthermore, that biomimetic representations could improve both the adaptab...

2009
H. B. Muhammad L. Beccai M. J. Adams M. C. Ward

This paper presents the development of a low-cost MEMS based biomimetic tactile device intended to be incorporated as the core element in a biomimetic fingerpad. The developed silicon based sensing devices consist of an array of capacitive sensors with optimized design to measure force ranges encountered during tactile exploration of surfaces with different textures. As with the biological fing...

Journal: :Biomaterials 2002
Xuejiang Wang Yubao Li Jie Wei Klass de Groot

In this study, acicular nano-hydroxyapatite (n-HA) was used to make a new biomimetic composite with polyamide (poly hexamethylene adipamide) by a unique technique. The physical and chemical characteristics of the composites were tested. It was found that these synthesized n-HA crystals were similar to bone apatite in size, phase composition and crystal structure. The biomimetic n-HA crystals we...

2008
J Scott Turner Rupert C Soar

Termites and the structures they build have been used as exemplars of biomimetic designs for climate control in buildings, like Zimbabwe’s Eastgate Centre, and various other “termite-inspired” buildings. Remarkably, these designs are based upon an erroneous conception of how termite mounds actually work. In this article, we review recent progress in the structure and function of termite mounds,...

2016

This study summarizes the development of a novel and biomimetic particle technology that consists of a biodegradable polymeric core encapsulating cellularly derived growth factors and encased with membrane-fragments of cardiac stem cells. This technology was demonstrated to increase cardiac cell viability and function in vitro as well as increasing post-myocardial infarct tissue repair in vivo....

Journal: :Journal of the American Chemical Society 2012
Qing-An Chen Kai Gao Ying Duan Zhi-Shi Ye Lei Shi Yan Yang Yong-Gui Zhou

A new and easily regenerable NAD(P)H model 9,10-dihydrophenanthridine (DHPD) has been designed for biomimetic asymmetric hydrogenation of imines and aromatic compounds. This reaction features the use of hydrogen gas as terminal reductant for the regeneration of the DHPD under the mild condition. Therefore, the substrate scope is not limited in benzoxazinones; the biomimetic asymmetric hydrogena...

Journal: :Interface focus 2011
Hu Zhang Sheng Dai Jingxiu Bi Kuo-Kang Liu

Stem cell therapy is an emerging technique which is being translated into treatment of degenerated tissues. However, the success of translation relies on the stem cell lineage commitment in the degenerated regions of interest. This commitment is precisely controlled by the stem cell microenvironment. Engineering a biomimetic three-dimensional microenvironment enables a thorough understanding of...

Journal: :Planta medica 2012
Leandro De Santis Ferreira Daniel Roberto Callejon Anna Engemann Benedikt Cramer Hans-Ulrich Humpf Valéria Priscila de Barros Marilda das Dores Assis Denise Brentan da Silva Sérgio de Albuquerque Laura Tiemi Okano Massuo Jorge Kato Norberto Peporine Lopes

Tetrahydrofuran lignans represent a well-known group of phenolic compounds capable of acting as antiparasitic agents. In the search for new medicines for the treatment of Chagas disease, one promising compound is grandisin which has shown significant activity on trypomastigote forms of Trypanosoma cruzi. In this work, the in vitro metabolism of grandisin was studied in the pig cecum model and b...

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