Download Biomimetics: A Molecular Perspective by Raz Jelinek PDF

By Raz Jelinek

Open e-book organic platforms have continuously encouraged mankind within the construction of recent structures and applied sciences. in recent times the interfaces among the organic and non-biological worlds look more and more blurred because of major advances either in our knowing of organic phenomena, in addition to the improvement of refined ability to govern organic structures for numerous purposes. Biomimetics as a self-discipline indicates how biology and organic tactics are manifested in assorted features of chemistry, physics and engineering. This ebook goals to methodically describe synthetic and artificial assemblies mimicking organic and residing structures - from drug discovery to microelectronics and laptop sciences.

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A) Schematic depiction of experiments in which a complementary DNA strand was used as a template for metal deposition, resulting in a conductive wire, see details in text. (b) SEM image of a DNA-templated metal wire assembled between the electrodes. Image courtesy of Prof. E. Braun, Technion, Israel. Other biological molecules have been used in bioelectronic applications. Alginate, for example, a polysaccharide extracted from brown algae and widely used in biomedical and drug design applications, has been examined as the “host matrix” for metal ions in lithium-ion batteries.

7). In the scheme developed by L. 7: Biomimetic anti-fogging surface morphology. Synthetic surface design mimicking the hierarchical organization of the mosquito eye. (a) Optical microscope image of the artificial compoundeye analog; (b–c) SEM images of the PDMS micro-hemispheres and silica nanospheres, respectively. (d) Spherical water droplet on the artificial surface; no adhesion occurs. Reprinted with permission from Gao, X. , Adv. Mater. 2007 19, 2213–2217. Copyright (2007) John Wiley and Sons.

Biomimetic tapes based upon physical adhesion could cause much less damage to fragile skin tissues during removal, and in principle should exhibit greater durability after application since no degradation of adhesive chemical substances is encountered. While varied biomimetic designs have successfully reproduced strong surface adhesion in ambient conditions, designing surfaces tightly adherent in aqueous environments is more difficult due to the presence of water molecules. Several organisms can be perceived as “role models” for wet adhesion, for example mussels, which exhibit extremely tight binding to submerged surfaces.

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