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KIST/PU Design and Performance of Bioresponsive Nanocarriers with Tunable Reactivity for Drug and Gene Delivery
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23 Oct 2007 | | Contributor(s):: Dave Thompson
Our lab has focused on the development of bioresponsive nanocarriers that are designed to release their cargo upon entry into acidic environments such as those found in cellular endosomes and sites of poor circulation. Computational methods have been used to design vinyl ether lipids of varying...
KIST/PU Bridging Nonlinear Optical Imaging and Nanotechnology with Medicine
23 Oct 2007 | | Contributor(s):: Ji-Xin Cheng
Our interdisciplinary research develops and utilizes state-of-the-art optical imaging techniques and nanotechnology to tackle compelling biomedical problems highly related to human health. Research in my group covers diagnosis, treatment, and mechanistic study of diseases.
KIST/PU Phage Display Selection of Tissue-Specific Homing Peptides and their Theragnostic Applications
23 Oct 2007 | | Contributor(s):: Byung-Heon Lee
Several homing peptides that are specific to tumor cells, artherosclerotic plaques, stroke lesion, apoptotic cells and phosphatidylserine have been isolated by phage display in our laboratory. For example, the Bld-1 peptide is specific to bladder tumor cells and the AP-1 to atherosclerotic...
KIST/PU Tumor-Homing Chitosan-Based Nanoparticles for Cancer Theragnosis; Imaging, Drug Delivery and Therapy
23 Oct 2007 | | Contributor(s):: Ick Chan Kwon
We have prepared self-assembled polymeric drug carriers containing fluorophore and loaded drugs for theragnostic imaging of tumors. This new type of polymeric drug carriers visualizes the accumulation of carriers at tumor sites, and evaluates therapeutic efficacies, and thereby providing an...
KIST/PU Introduction to Global Research Laboratory (GRL) Program: Molecular Imaging and Nanomedicine for Theragnosis using Nano-Bio Materials
23 Oct 2007 | | Contributor(s):: Kui Won Choi
The Global Research Laboratory (GRL) program was initiated by the Korea Foundation for International Cooperation of Science and Technology (KICOS) in 2006. The GRL program has been designed to develop fundamental and original technologies through international collaborative research between...
Computing the Horribleness of Soft Condensed Matter
19 Oct 2007 | | Contributor(s):: Eric Jakobsson
A great triumph of computer simulations 40 years ago was to make the liquid state of matter understandable in terms of physical interactions between individual molecules. Prior to the first simulations of liquid argon and liquid water in the 1960's, there was no quantitatively rigorous molecular...
Conquering Surface Plasmon Resonance Loss in Metallic Nanostructures
16 Oct 2007 | | Contributor(s):: Mikhail A. Noginov
We have observed the compensation of loss in metal by gain indielectric in the mixture of Ag aggregate and rhodamine 6G dye. Thedemonstrated six-fold enhancement of the Rayleigh scattering is the evidence of the enhancement of the localized surface plasmon (SP) resonance. In the attenuated total...
Energy-level Alignment of Aryl Thiols Chemisorbed on Metal Surfaces: Implications for Molecular Electronic Junctions
27 Sep 2007 | | Contributor(s):: Roger D. van Zee
Charge-transport through the interface is a key part of the behavior of any electronic junction. One interface property important to molecular-electronic junctions is the energetic mismatch between the conductive levels of the molecule and the Fermi level of the contact material. This seminar...
Renewable Energy from Synthetic Biology
25 Sep 2007 | | Contributor(s):: Jay D. Keasling
Jay Keasling, Co-Leader of The Helios Project, is the Director of the Physical Biosciences Division at Berkeley Lab, and a groundbreaking researcher in the new scientific field of synthetic biology. He is a UC Berkeley professor of Chemical and Bioengineering, and founder of Amyris...
Toward Anticipatory Governance
25 Sep 2007 |
The Center for Nanotechnology in Society at Arizona State University (CNS-ASU) is an NSF-funded center, created in October 2005, for research, education and outreach on the societal aspects of nano-scale science and engineering (NSE). CNS-ASU involves the collaboration of scores of faculty,...
Chamaeleo: Toward Self-Managing Service-Oriented Applications
17 Sep 2007 | | Contributor(s):: Brahim Medjahed
Service-oriented computing is slated to shape modern societies in vital areas such as healthcare, government, science, business, and finance. It utilizes services as the building blocks for developing collaborative applications, known as service-oriented applications (SOAs), distributed within...
Introduction of MEMS Activity at Nano/Micro System Engineering Lab., Kyoto University
15 Sep 2007 | | Contributor(s):: OSAMU TABATA
We are aiming at the realization of microsystems and nanosystems with novel and unique functions by integrating functional elements in different domains such as mechanics, electronics, chemistry, optics and biotechnology. These micro/nano systems are expected to be novel machines, which will...
MCW07 Simple Models for Molecular Transport Junctions
13 Sep 2007 | | Contributor(s):: , Abraham Nitzan, Mark Ratner
We review our recent research on role of interactions in molecular transport junctions. We consider simple models within nonequilibrium Green function approach (NEGF) in steady-state regime.
MCW07 Conductance Switching in Fluorene/TiO2 Molecular Heterojunctions
13 Sep 2007 | | Contributor(s):: Richard L.McCreery
Molecular junctions consisting of a monolayer of fluorene and 10 nm of TiO2 between conducting contacts exhibit a memory effect upon positive polarization of the of the TiO2 for a few milliseconds. The junction conductance increases for a period of several minutes, but can be “erased” by a...
MCW07 Molecular Electronics and the Bottom-up View of Electronic Conduction
12 Sep 2007 | | Contributor(s):: Supriyo Datta
Molecular electronics is commonly associated with the bottom-up approach to nanofabrication. My objective in this talk is to point out how it also leads to a bottom-up view of electronic conduction completely different from the standard top-down approach that starts from large conductors and...
MCW07 Silicon Based Nanopore Sensors for Detection of DNA Molecules
11 Sep 2007 | | Contributor(s):: Samir Iqbal, Demir Akin, Rashid Bashir
Solid-state nanopores have emerged as possible candidates for next-generation DNA sequencing devices. In this talk, we will review our recent work in development of solid-state nanopore channels that are selective towards single strand DNA (ssDNA). Nanopores functionalized with a 'probe' of...
MCW07 Electronic Level Alignment at Metal-Molecule Contacts with a GW Approach
05 Sep 2007 | | Contributor(s):: Jeffrey B. Neaton
Most recent theoretical studies of electron transport in single-molecule junctions rely on a Landauer approach, simplified to treat electron-electron interactions at a mean-field level within density functional theory (DFT). While this framework has proven relatively accurate for certain...
MCW07 Modeling Charging-based Switching in Molecular Transport Junctions
23 Aug 2007 | | Contributor(s):: Sina Yeganeh, , Mark Ratner
We will discuss several proposed explanations for the switching and negative differential resistance behavior seen in some molecular junctions. It is shown that a proposed polaron model is successful in predicting both hysteresis and NDR behavior, and the model is elaborated with image charge...
Micro-scaled Biochips with Optically Active Surfaces for Near and Far-field Analysis of Cellular Fluorescence
31 Aug 2007 | | Contributor(s):: Huw Summers
The integration of thin (< 100 nm) metal films with micro-scaleoptical waveguides provides a route to controlled spatialexcitation of cellular fluorescence within a biochip platform.Surface bound electron-plasma oscillations (surface plasmon waves)interact with photons to produce an...
HCIS-15 Lecture: Nanodevices and Maxwell’s Demon
23 Jul 2007 | | Contributor(s):: Supriyo Datta
The 15th International Conference onNonequilibrium Carrier Dynamics in Semiconductors (HCIS-15) lecture.This 30 minute lecture coversroughly the same material as Lecture 1 of Concepts of Quantum Transport.