Browsing Singapore-MIT Alliance (SMA) by Title
Now showing items 506-525 of 554
-
Summary Conclusions: Computation of Minimum Volume Covering Ellipsoids*
(2004-01)We present a practical algorithm for computing the minimum volume n-dimensional ellipsoid that must contain m given points a₁,..., am â Rn. This convex constrained problem arises in a variety of applied computational ... -
Surface Functionalization of Monodisperse Magnetic Nanoparticles
(2005-01)We present a systematic methodology to functionalize magnetic nanoparticles through surface-initiated atom-transfer radical polymerization (ATRP). The magnetite nanoparticles are prepared according to the method proposed ... -
Survival Techniques for Computer Programs
(2006-01)Programs developed with standard techniques often fail when they encounter any of a variety of internal errors. We present a set of techniques that prevent programs from failing and instead enable them to continue to ... -
Synthesis and Aggregation Behavior of Pluronic F87/Poly(acrylic acid) Block Copolymer with Doxorubicin
(2005-01)Poly(acrylic acid) (PAA) was grafted onto both termini of Pluronic F87 (PEO₆₇-PPO₃₉-PEO₆₇) via atom transfer radical polymerization to produce a novel muco-adhesive block copolymer PAA₈₀-b-F₈₇-b-PAA₈₀. It was observed that ... -
Synthesis and Characterization of a Magnetically Responsive Polymeric Drug Delivery System
(2003-01)A magnetic target drug delivery system consisting of biodegradable polymeric microspheres (poly D, L-lactic acid) loaded with magnetite nanoparticles (10-100 nm) and anticancer drug (paclitaxel) was studied. The magnetite ... -
Synthesis and Characterization of Magnetic Nanoparticles with High Magnetization and Good Oxidation Resistibility
(2005-01)Magnetic nanoparticles attract increasing attention because of their current and potential biomedical applications, such as, magnetically targeted and controlled drug delivery, magnetic hyperthermia and magnetic extraction. ... -
Synthesis and Complexation Behavior of Pluronic-b-Poly(acrylic Acid) Copolymer with Doxorubicin
(2007-01)Poly(acrylic acid) (PAA) was attached on both termini of Pluronic P85 copolymer (EO27PO39EO27)) via atom transfer radical polymerization (ATRP) to produce a novel block copolymer, PAA-b-P85-b-PAA (P85PAA). The P85PAA-DOX ... -
Synthesis and Properties of Novel Cationic, Temperature-Sensitive Block-Copolymers
(2004-01)Facile, one-step synthesis of self-assembling, cationic block copolymers of poly(2-N-(dimethylaminoethyl) methacrylate) (pDMAEMA) and PEO-PPO-PEO (Pluronic®) is developed. The copolymers are obtained via free-radical ... -
Synthesis and Self-Assembly Behavior of Poly(acrylic Acid)-b-Poly(l-Amino Acid) System
(2007-01)The talk will present the synthesis and characterization of a new class of hybrid amphiphilic system between an electrolyte polyacrylic acid (PAA) synthetic segment, and a hydrophobic beta-sheet forming peptide segment, ... -
Synthesis and Self-assembly of [60]Fullerene Containing Sulfobetaine Polymer in Aqueous Solution
(2006-01)A series of well-defined stimuli responsive water soluble [60]fullerene (C₆₀) containing polymers such as polyelectrolytes (polyacids and polybases), polyampholyte and polyzwitterionic polymers were synthesized using atom ... -
Synthesis of Germanium Nanocrystals and its Possible Application in Memory Devices
(2002-01)A novel method of synthesizing and controlling the size of germanium nanocrystals was developed. A tri-layer structure comprising of a thin (~5nm) SiO₂ layer grown using rapid thermal oxidation (RTO), followed by a ... -
Synthesis, electrochemistry and First Principles Calculation studies of layered Li-Ni-Ti-O compounds
(2004-01)New layered cathode materials, Li₀.₉Ni₀.₄₅Ti₀.₅₅O₂, were synthesized by means of ion-exchange from Na₀.₉Ni₀.₄₅Ti₀.₅₅O₂. The degree of cation disordering in the material depends critically on the synthesis conditions. Longer ... -
Synthesis, Optical properties and Applications of Water Soluble Conjugated PPPs for Biosensors
(2005-01)In recent years, application of fluorescent conjugated polymers to sense chemical and biological analytes has received much attention owing to its technological significance. Water soluble conjugated polymers are interesting ... -
A System Architecture-based Model for Planning Iterative Development Processes: General Model Formulation and Analysis of Special Cases
(2002-01)The development process for complex system is typically iterative in nature. Among the critical decisions in managing such process involves deciding how to partition the system development into iterations. This paper ... -
Tactical Shipping and Scheduling at Polaroid with Dual Lead-Times
(2002-01)We report on a project with Polaroid Corporation in which we developed a supply chain model to provide decision support for planning production and transportation. Production occurs in Asia to serve world-wide demand. ... -
Targeted Stimuli-Responsive Dextran Conjugates for Doxorubicin Delivery to Hepatocytes
(2005-01)A targeted, stimuli-responsive, polymeric drug delivery vehicle is being developed in our lab to help alleviate severe side-effects caused by narrow therapeutic window drugs. Targeting specific cell types or organs via ... -
Targeted Stimuli-Responsive Dextran Conjugates for Doxorubicin Delivery to Hepatocytes
(2006-01)A targeted, stimuli-responsive, polymeric drug delivery vehicle has been developed to help alleviate the severe side-effects caused by narrow therapeutic window drugs. Doxorubicin, a commonly used chemotherapeutic agent ... -
TEM Study on the Evolution of Ge Nanocrystals in Si Oxide Matrix as a Function of Ge Concentration and the Si Reduction Process
(2006-01)Growth and evolution of germanium (Ge) nanocrystals embedded into a silicon oxide (SiO₂) system have been studied based on the Ge content of co-sputtered Ge-SiO₂ films using transmission electron microscopy (TEM) and X-ray ... -
Template Synthesis of Tubular Sn-Based Nanostructures for Lithium Ion Storage
(2006-01)We report herewith the preparation of SnO₂ nanotubes with very good shape and size control, and with and without a carbon nanotube overlayer, The SnO₂-core/carbon-shell nanotubes are excellent reversible Li ion storage ... -
Temporary and Permanent Buyout Prices in Online Auctions
(2005-01)Increasingly used in online auctions, buyout prices allow bidders to instantly purchase the item listed. We distinguish two types: a temporary buyout option disappears if a bid above the reserve price is made; a permanent ...