نتایج جستجو برای: nanoscaffolds
تعداد نتایج: 76 فیلتر نتایج به سال:
Protein nanofibrils offer advantages over other nanostructures due to the ease in their self-assembly and the versatility of surface chemistry available. Yet, an efficient and general methodology for their post-assembly functionalization remains a significant challenge. We introduce a generic approach, based on biotinylation and thiolation, for the multi-functionalization of protein nanofibrils...
Three-dimesional hierarchical electrodes exhibiting multi-dimensional geometries provide exceptional advantages for advanced energy storage performance. In this work, we report the fabrication and characterization of biotemplated hierarchical-Ni/NiO electrodes enabled by thermal oxidation of electroless Ni-coated Tobacco mosaic viruses (TMVs) self-assembled on Au-coated Si micropillar arrays. U...
Three dimensional sub-micron resolution has made two-photon nanomedicine a very promising medical tool for cancer treatment since current techniques cause significant side effects for lack of spatial selectivity. Two-photon-excited (TPE) photodynamic therapy (PDT) has been achieved via mesoporous nanoscaffolds, but the efficiency of the treatment could still be improved. Herein, we demonstrate ...
A programmable ligand display system can be used to dissect the multivalent effects of ligand binding to a membrane receptor. An antagonist of the A2A adenosine receptor, a G-protein-coupled receptor that is a drug target for neurodegenerative conditions, was displayed in 35 different multivalent configurations, and binding to A2A was determined. A theoretical model based on statistical mechani...
Background and Aim: Regarding to various problems in the activation of dendritic cells and immune system’s responses, finding of a safe, effective and applicable agent is highly desirable. Chitosan is an effective gene delivery agent and also a part of nanoscaffolds. In the present study,chitosan nanopolymers effect on dendritic immune cells were assessed. Materials and Methods: In this experim...
The ability to control light energy within de novo nanoscale structures and devices will greatly benefit their continuing development and ultimate application. Ideally, this control should extend from generating the light itself to its spatial propagation within the device along with providing defined emission wavelength(s), all in a stand-alone modality. Here we design and characterize macromo...
A modular adaptor consisting of a sequence-specific DNA binding zinc finger protein and a self-ligating protein-tag was developed to expedite efficient formation of a covalent linkage between an individual protein molecule and the programmed address modified with a tag-substrate on the DNA nanostructure.
With increasing interest in nanotechnology, development of nanofibers (n-fibers) by using the technique of electrospinning is gaining new momentum. Among important potential applications of n-fiber-based structures, scaffolds for tissue-engineering represent an advancing front. Nanoscaffolds (n-scaffolds) are closer to natural extracellular matrix (ECM) and its nanoscale fibrous structure. Alth...
of the project: Fundamental and technological objectives: New techniques for bottom-up fabrication of circuits for nanoelectronics are definitely needed to complement the present top-down approach of circuit fabrication. In this framework it is likely to envision the use of the recognition property of DNA molecules to fabricate two-dimensional nanoscaffolds for self assembly purposes. Single wa...
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