Now showing items 21-40 of 107

    • Volume-Phase Transitions in Surface-Tethered Networks and Implications for Swelling Instabilities 

      Toomey, Ryan (Georgia Institute of Technology, 2009-09-16)
      The overall thrust of our research program is to develop responsive structures without the need for complex circuitry or bulky instrumentation. Our approach is to use polymers that undergo volume-shape changes in response ...
    • Three-dimensional in Situ Temperature Measurement in Microsystems Using Brownian Motion of Nanoparticles 

      Chung, Kwanghun (Georgia Institute of Technology, 2009-10-14)
      Recent developments in microsystems for chemical and biological analysis offer significant advantages over conventional methods, such as precise manipulation of samples and control of microenvironment. For many applications, ...
    • Cell and Particle Behavior in Microfluidic Mixers: Applications in Cell Signaling Dynamics 

      Hirsch, Alison (Georgia Institute of Technology, 2009-10-14)
      Fluid mixing is common in large-scale chemical processes. Recently, many biological or chemical processes are carried out in microfluidic systems, where mixing of solutes is predominantly a diffusion process due to the ...
    • Computer-Aided Molecular Design: Approaches and Applications 

      Visco, Donald P., Jr. (Georgia Institute of Technology, 2009-11-04)
      Computer-aided molecular design (CAMD) is a cost-effective technique which allows researchers to computationally generate molecular structures according to an algorithm and score those structures for fitness. While CAMD ...
    • Molecular Engineering of Stem Cell and Gene Therapies 

      Schaffer, David V. (Georgia Institute of Technology, 2009-12-02)
      There are numerous diseases for which there is still no cure, and new molecular therapies based on stem cells and gene delivery have significant therapeutic potential. Before these approaches can succeed, however, a ...
    • Property Based Techniques for Process and Product Design 

      Eden, Mario Richard (Georgia Institute of Technology, 2010-02-03)
      Introduction of the property integration framework has allowed for representation of processes and products from a properties perspective. This methodology enables identification of the desired product properties by ...
    • From Water Structure and Fluctuations to Hydrophobicity of Proteins and Interfaces 

      Garde, Shekhar (Georgia Institute of Technology, 2010-02-10)
      Water-mediated interactions (e.g., hydrophobic interactions) govern a host of biological and colloidal self-assembly phenomena from protein folding, and micelle and membrane formation, to molecular recognition. ...
    • Atmospheric Aerosols: Chemistry, Clouds, and Climate 

      McNeill, V. Faye (Georgia Institute of Technology, 2010-03-31)
      Atmospheric aerosol particles impact Earth’s radiation balance, and therefore its climate, both directly by scattering and absorbing solar radiation and indirectly by influencing cloud albedo. By their direct and indirect ...
    • Chemical and Biological Microsystems - What Are the Advantages of Small Systems? 

      Jensen, Klavs F. (Georgia Institute of Technology, 2010-04-14)
      Microfabrication techniques have fueled spectacular advances in the electronic and telecommunications industries, and more recently, in microanalysis chips for chemical and biological applications. These systems promise ...
    • Self-assembly of Interfacially Confined Sheet Forming Peptides 

      Tu, Raymond (Georgia Institute of Technology, 2010-04-21)
      Periodically sequenced peptides can be confined to interfaces and assembled into patterns that present chemical functionalities with exceptional spatial precision. The role of dynamics during the assembly of these peptides ...
    • Engineering Approaches for Functional Nerve Regeneration 

      Schmidt, Christine E. (Georgia Institute of Technology, 2010-09-01)
      Damage to spinal cord and peripheral nerve tissue can have a devastating impact on the quality of life for individuals suffering from nerve injuries. Our research is focused on analyzing and designing biomaterials that ...
    • Transport/Reaction Processes in Biology and Medicine 

      Lightfoot, Edwin N. (Georgia Institute of Technology, 2010-09-29)
      Transport Phenomena, and particularly mass transfer and chemical reaction, govern a great variety of physiological and pathological processes, and they supplement in a non-trivial way genetic factors in both organism ...
    • Interrogating Single Molecules Using Force 

      Arya, Gaurav (Georgia Institute of Technology, 2010-10-06)
      Dynamic single molecule force spectroscopy provides a powerful approach to probe the underlying energy landscape that governs how molecules fold, bind to each other, and undergo conformational transitions. These sophisticated ...
    • Functional Colloidosomes: Tunable Permeability and Stimilus-Responsive Release 

      San Miguel Delgadillo, Adriana; Rubin, Jonathan (Georgia Institute of Technology, 2010-10-20)
      Self-assembly of colloidal particles in the liquid interface of double emulsion droplets can be used to fabricate "colloidosome" microcapsules, which have great potential as vehicles for the controlled delivery of drugs ...
    • New Methods to Generate Hydrogen from Boron Compounds and Water for Fuel-Cell Applications 

      Varma, Arvind (Georgia Institute of Technology, 2010-12-01)
      Sodium borohydride (SBH; NABH4) and ammonia borane (AB; NH3BH3) contain 10.8 and 19.6 wt% H2, respectively, and are promising hydrogen storage materials for PEM fuel cell power systems. To release hydrogen from these ...
    • Harvesting Solar and Thermal Energy with Photonic Nanostructures 

      Han, Sang Eon (Georgia Institute of Technology, 2011-01-19)
      The energy and environmental challenges we face today require a radical transformation of energy conversion and storage systems to make them highly efficient, environmentally friendly, and inexpensive. Nanotechnology can ...
    • How Shall We Choose? Making Useful Comparisons Between Petroleum Alternatives 

      Dale, Bruce E. (Georgia Institute of Technology, 2011-02-09)
      The world is beginning a long, and certainly painful, transition between the fossil energy sources, particularly petroleum, that have powered our economic growth over the last couple of centuries, and whatever energy ...
    • Electrically Functional Soft Matter: From Precise Colloidal Assembly to Hydrogel Photovoltaics 

      Velev, Orlin D. (Georgia Institute of Technology, 2011-02-23)
      We will present strategies for the fabrication of novel electrically functional structures from particles or gels operating in water environment. In the first part of the talk we will discuss how electric fields can ...
    • Fighting Cancer with Nanoparticle Medicines 

      Davis, Mark E. (Georgia Institute of Technology, 2011-03-09)
      For centuries, cancer has been one of the most devastating diseases. Papyrus writings from 1600-1500 BC describe cancer and attempts at its treatment. Today, the molecular basis of cancer is being unraveled, and new ...
    • New Heterogeneous Catalysts for Converting Sugars in Aqueous Media 

      Davis, Mark E. (Georgia Institute of Technology, 2011-03-10)
      The isomerization of glucose into fructose is a large-scale reaction for the production of high-fructose corn syrup and recently is being considered as an intermediate step in the possible route of biomass to fuels and ...