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A thermodynamically driven self-organization of microclusters of semiconductor nanocrystals with a narrow size distribution into periodic two-dimensional (2D) arrays is an attractive low-cost technique for the fabrication of 2D photonic crystals. We have found that CdSe/ZnS core/shell quantum dots or quantum rods, transferred in aqueous phase after capping with the bifunctional surface-active agent DL-cysteine, form on a poly-L-lysine coated surface homogeneously sized micro-particles, droplet-like spheroid clusters and hexagon-like colloidal crystals self-organized into millimetre-sized 2D hexagonal assemblies
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The programme includes plenary lectures, thematic and poster sessions, presented by Ukrainian and German experts, addressing
1. Nanomaterials in Biology, Medicine and Pharmacy
2. Nanoscale Cell Biology, Gene Engineering and Proteomics
3. Nanosensors, Nanoprobes and Nanoanalytics
4. Engineered Nanobiostructures and Biohybrid Systems
5. Nanomedicine
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ICNT 2006 features advanced scientific, technological development and commercial applications in nanotechnology, including electronics, material science, chemical, semiconductor, automotive, textile, aerospace, biophamaceutical and biotechnology.......
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NanoTech 2006 program includes work on six general topics: Electronics & Microsystems, Clean & Controlled Environments, Life Sciences & Medicine, Materials & Technologies, Business & Ventures and Expo.
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The scientific program will address nanotechnological results, developments and applications in the field of increasingly efficient, more targeted and less invasive analysis and therapeutic systems for health care. NanoBio-Europe'06 innovations are expected to bring high added value to biotechnological and pharmaceutical industries. Most of these innovations are based on multidisciplinary collaborations with experts from life science, micro- and nanotechnologies, material sciences, physics and medicine.
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The aim of the conference is to provide a forum for scientists from different research branches including physics, chemistry, materials science and engineering to discuss fabrication techniques, optical and transport properties as well as applications of quantum dots. One of the main goals of the conference is to bring together different quantum dot communities involved in research on self-assembled dots, nano-crystals, and gated structures, in order to stimulate progress by combining the expertise developed in each community.
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Highly ordered quasi-nanowires from fluorescent semiconductor CdSe/ZnS spherical (quantum dots) or rod-like (quantum rods) nanoparticles were produced using DNA as a template. Positively charged nanoparticles were fixed along the negatively charged DNA backbone by electrostatic interaction. After incubation of the solution of DNA and nanoparticles at different stoichiometric ratios the complexes were applied to the hydrophobic surface and stretched using the molecular combing technique. Fluorescent patterns with desirable morphology and properties can be formed by varying the nanoparticle charge and shape and their stoichiometry in the complex with DNA.
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