Browsing Singapore-MIT Alliance (SMA) by Title
Now showing items 321-340 of 554
-
Nanocomposite Thin Films for both Mechanical and Functional Applications
(2004-01)The design methodology and realization of nanocomposite films aiming for mechanical (superhardness, toughness) and functional (optical, microelectronic) properties were discussed in this paper. Superhard TiCrCN and ... -
Nanocrystalline Ge Flash Memories: Electrical Characterization and Trap Engineering
(2005-01)Conventional floating gate non-volatile memories (NVMs) present critical issues for device scalability beyond the sub-90 nm node, such as gate length and tunnel oxide thickness reduction. Nanocrystalline germanium (nc-Ge) ... -
Nanoparticles for Targeted Drug Delivery
(2004-01)Nanoparticles were synthesized and modified for target drug delivery. The research involved the aqueous synthesis of near infrared (NIR) sensitive Au-Au<sub>2</sub>S nanoparticles. An anti-cancer drug (<i>cis-platin</i>) ... -
Native Point Defects in yttria as a High-Dielectric-Constant Gate Oxide Material: A First-Principles Study
(2006-01)Yttria (Y₂O₃) has become a promising gate oxide material to replace silicon dioxide in metal-oxide-semiconductor (MOS) devices. The characterization of native point defect in Y₂O₃ is essential to understand the behavior ... -
Near Infrared-Sensitive Nanoparticles for Targeted Drug Delivery
(2004-01)The invasive nature and undesirable side-effects related to conventional cancer therapy, such as surgery and chemotherapy, have led to the development of novel drug delivery systems (DDS). A minimally invasive DDS using ... -
A New Class of Nonionic Photosensitive Surfactants: Some Insights Concerning Conformations
(2005-01)We report on a new class of nonionic, photosensitive surfactants consisting of a polar di(ethylene oxide) head group attached to an alkyl spacer of between two and eight methylene groups, coupled through an ether linkage ... -
A New Class of Photoresponsive Surfactants
(2003-01)Recently, surface tension has been shown to be important in emerging high technologies, such as in pumping and control of flow in microfluidic devices, in microchemical analysis of complex fluids, and in rapid DNA screening, ... -
A New Constructive Method for the One-Letter Context-Free Grammars
(2004-01)Constructive methods for obtaining the regular grammar counterparts for some sub-classes of the context free grammars (cfg) have been investigated by many researchers. An important class of grammars for which this is always ... -
A new digital image correlation algorithm for whole-field displacement measurement
(2003-01)We have developed a new digital image correlation (DIC) algorithm for non-contact, two-dimensional, whole-field displacement and strain measurement. Relative to existing algorithms, our algorithm substantially reduces the ... -
NIR-Sensitive Au-Au₂S Nanoparticles for Drug Delivery
(2003-01)Near IR (NIR) sensitive Au-Au₂S nanoparticles were prepared by mixing HAuCl₄ and Na₂S in aqueous solutions. An anti-tumor drug, cis-platin, was adsorbed onto Au-Au₂S nanoparticle surface via the 11-mercaptoundecanoic acid ... -
Non-Iterative, Feature-Preserving Mesh Smoothing
(2004-01)With the increasing use of geometry scanners to create 3D models, there is a rising need for fast and robust mesh smoothing to remove inevitable noise in the measurements. While most previous work has favored diffusion-based ... -
Non-linear mechanical behavior of polydimethylsiloxane (PDMS): application to the manufacture of microfluidic devices
(2004-01)Soft-lithography is a low-cost and convenient microfabrication technique that is becoming increasingly popular in the manufacture of microfluidic devices. A typical elastomer used in soft-lithography is polydimethylsiloxane ... -
Non-linear mechanical behavior of the elastomer polydimethylsiloxane (PDMS) used in the manufacture of microfluidic devices
(2005-01)Polydimethylsiloxane (PDMS) is the elastomer of choice to create a variety of microfluidic devices by soft lithography techniques (eg., [1], [2], [3], [4]). Accurate and reliable design, manufacture, and operation of ... -
Nonsmooth Newton’s Method and Semidefinite Optimization
(2003-01)We introduce basic ideas of a nonsmooth Newton’s method and its application in solving semidefinite optimization (SDO) problems. In particular, the method can be used to solve both linear and nonlinear semidefinite ... -
Novel CMOS-Compatible Optical Platform
(2003-01)A research synopsis is presented summarizing work with integration of Ge and III-V semiconductors and optical devices with Si. III-V GaAs/AlGaAs quantum well lasers and GaAs/AlGaAs optical circuit structures have been ... -
Novel pH Responsive Amphiphilic Diblock Copolymers with Reversible Micellization Properties
(2004-01)Di-block copolymer of poly[methacrylic acid-block-2-(diethylamino)ethyl methacrylate] [P(MAA-b-DEA)] with narrow molecular weight distribution was synthesized using the atom transfer radical polymerization (ATRP) technique. ... -
A Novel Testing Apparatus for Tribological Studies at the Small Scale
(2002-01)A novel flexure-based biaxial compression/shear apparatus has been designed, built, and utilized to conduct tribological studies of interfaces relevant to MEMS. Aspects of our new apparatus are detailed and its capabilities ... -
Numerical comparison between Maxwell stress method and equivalent multipole approach for calculation of the dielectrophoretic force in octupolar cell traps
(2005-01)This work presents detailed numerical calculations of the dielectrophoretic force in octupolar traps designed for single-cell trapping. A trap with eight planar electrodes is studied for spherical and ellipsoidal particles ... -
Numerical Simulation of Electroosmotic Flow with Step Change in Zeta Potential
(2005-01)Electroosmotic flow is a convenient mechanism for transporting polar fluid in a microfluidic device. The flow is generated through the application of an external electric field that acts on the free charges that exists in ... -
Numerical Study of the Poisson-Boltzmann Equation for Biomolecular Electrostatics
(2006-01)Electrostatics interaction plays a very important role in almost all biomolecular systems. The Poisson-Boltzmann equation is widely used to treat this electrostatic effect in an ionic solution. In this work, a simple ...