Download PDF by Raz Jelinek: Biomimetics: A Molecular Perspective

By Raz Jelinek

ISBN-10: 3110281171

ISBN-13: 9783110281170

Open book organic platforms have constantly encouraged mankind within the production of latest 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 subtle skill to control organic platforms for numerous functions. Biomimetics as a self-discipline indicates how biology and organic methods are manifested in different elements of chemistry, physics and engineering. This e-book goals to methodically describe man made and artificial assemblies mimicking organic and residing structures - from drug discovery to microelectronics and computing device sciences.

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4 presents such a design in which a carbon nanotubebased surface developed by A. Dhinojwala and colleagues at the University of Akron achieved excellent water-repelling and self-cleaning properties. Unlike the isotropic (uniform) distribution of microstructures on the lotus leaf, anisotropic textures on surfaces have important roles for many organisms. The butterfly wing (Fig. 4: Artificial water-repelling surfaces mimicking the lotus effect. (a) and (b) SEM images of the carbon nanotube forest before (a) and after (b) chemical treatment.

19: Elastin-mimic polymers. Peptide “β-spiral” repeats linked in a polymeric chain produce spring-like properties. While secondary structure elements, such as the β-spiral motifs, give elastin and elastin-mimic molecules their mechanical elasticity, the tertiary structure of proteins such as titin is the underlying factor responsible for their exceptional mechanical resilience and has been reproduced in different materials. 20). Upon application of a pulling action, the individual subunits gradually unfold; subsequent contraction induces refolding of the connected titin modules.

J. 21). The researchers showed that through manipulating the protein sequence they could display numerous histidine amino acids for targeting and binding metal ions and their subsequent reduction. The researchers were also able to modulate the pores’ dimensions, thus hosting NPs with different sizes or shapes. 21: Metal nanoparticles grown in a chaperonin template. Ordered array of donut-shaped chaperonins used as a template for growing metal NPs. The high-resolution transmission electron microscopy (HR-TEM) image in the middle demonstrates the formation of a crystalline metallic Ni-Pd NP inside the chaperonin pore.

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Biomimetics: A Molecular Perspective by Raz Jelinek

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