نتایج جستجو برای: nano biotechnology
تعداد نتایج: 67288 فیلتر نتایج به سال:
This paper examines the effect of the structural changes arising from the globalisation of production and innovation and from technological changes on the environment. Drawing on theories of international production from international business and innovation, we assess the impact of longterm technological change and changes in international production on the international division of labour and...
Biomineralization processes leading to complex solid structures of inorganic material in biological systems are constantly gaining attention in biotechnology and biomedical research. An outstanding example for biomineral morphogenesis is the formation of highly elaborate, nano-patterned silica shells by diatoms. Among the organic macromolecules that have been closely linked to the tightly contr...
Recent development in nanoand biotechnology has opened a new field of microand nanofluidics. Many MEMS (micro-electro-mechanical-systems) and NEMS ( nano-electromechanical-systems ) are based on the fluid motion. Additionally, the analysis of biological samples, drug design and nanomedicine are connected to nanoliter fluid flow. The challenge for understanding such small systems lies in the dif...
This presentation will give an overview of the current use of nanoparticles as drug carriers and will discuss their future use in drug targeting and drug delivery of active molecules. Today’s progress in cell biology and biotechnology enables scientists to synthesize highly active molecules to target specific intra-cellular receptors. The clinical use of such molecules is often very limited bec...
In this review, we discuss the fundamental characterization of graphene oxide (GO) and its future application perspectives. Morphology is discussed through optical microscopy, fluorescence microscopy, scanning electron microscopy, and atomic force microscopy studies. Chemical, structural, and vibrational properties are discussed through x-ray photoemission spectroscopy and Raman spectroscopy st...
Noncontact manipulation of nano/micromaterials presents a great challenge in fields ranging from biotechnology to nanotechnology. In this study we developed a new strategy for the manipulation of molecules and cells based on diffusiophoresis driven by a concentration gradient of a polymer solute. By using laser focusing in a microfluidic device, we created a sharp concentration gradient of poly...
Monomolecular arrays of protein or glycoprotein subunits forming surface layers (S-layers) are one of the most commonly observed prokaryotic cell envelope components. S-layers are generally the most abundantly expressed proteins, have been observed in species of nearly every taxonomical group of walled bacteria, and represent an almost universal feature of archaeal envelopes. The isoporous latt...
We describe the development of a novel, high-throughput, nano-scale microarray platform for antimicrobial susceptibility testing (AST). The platform allows to process 480 samples at 50 nL volume on a single chip, analyze by fluorescence read-out with an easy dunk-and-rinse step, and the ability to process multiple samples and chips simultaneously. We demonstrate the applicability of this chip f...
Computational modeling can be a useful partner in biotechnology, in particular, in nanodevice engineering. Such modeling guides development through nanoscale views of biomolecules and devices not available through experimental imaging methods. We illustrate the role of computational modeling, mainly of molecular dynamics, through four case studies: development of silicon bionanodevices for sing...
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