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Chemical & Petroleum Engineering Scholarly Works: Recent submissions
Now showing items 81-100 of 182
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Injectable PLGA based Colloidal Gels for Zero-order Dexamethasone Release in Cranial Defects
(Elsevier, 2010-06)Bone fillers have emerged as an alternative to the invasive surgery often required to repair skeletal defects. Achieving controlled release from these materials is desired for accelerating healing. Here, oppositely-charged ... -
Microsphere-Based Scaffolds for Cartilage Tissue Engineering: Using Sub-critical CO2 as a Sintering Agent
(Elsevier, 2010-01)Shape-specific, macroporous tissue engineering scaffolds were fabricated and homogeneously seeded with cells in a single step. This method brings together CO2 polymer processing and microparticle-based scaffolds in a manner ... -
Musculoskeletal tissue engineering with human umbilical cord mesenchymal stromal cells
(Future Medicine, 2011-01)Multipotent mesenchymal stromal cells (MSCs) hold tremendous promise for tissue engineering and regenerative medicine, yet with so many sources of MSCs, what are the primary criteria for selecting leading candidates? ... -
Tailoring biomaterial surface properties to modulate host-implant interactions: implication in cardiovascular and bone therapy
(Royal Society of Chemistry, 2015-10-16)Host body response to a foreign medical device plays a critical role in defining its fate post implantation. It is thus important to control host-material interactions by designing innovative implant surfaces. In the recent ... -
Reversible and Non-Reactive Cellulose Separations from Ionic Liquid Mixtures with Compressed Carbon Dioxide
(Royal Society of Chemistry, 2016-08-14)A novel physical (non-reactive) separation of cellulose from an ionic liquid (IL) / cosolvent mixture by compressed carbon dioxide is presented. The precipitation is completely reversible and rapid within small changes of ... -
Understanding complete oxidation of methane on spinel oxides at a molecular level
(Nature Publishing Group, 2015-08-04)It is crucial to develop a catalyst made of earth-abundant elements highly active for a complete oxidation of methane at a relatively low temperature. NiCo2O4 consisting of earth-abundant elements which can completely ... -
Catalysis on singly dispersed bimetallic sites
(Nature Publishing Group, 2015-08-21)A catalytic site typically consists of one or more atoms of a catalyst surface that arrange into a configuration offering a specific electronic structure for adsorbing or dissociating reactant molecules. The catalytic ... -
Cardiac tissue engineering and regeneration using cell-cased therapy
(Dove Medical Press, 2015-05-14)Stem cell therapy and tissue engineering represent a forefront of current research in the treatment of heart disease. With these technologies, advancements are being made into therapies for acute ischemic myocardial injury ... -
Injectable Hydrogels for Cardiac Tissue Repair after Myocardial Infarction
(Wiley Open Access, 2015-07-15)Cardiac tissue damage due to myocardial infarction (MI) is one of the leading causes of mortality worldwide. The available treatments of MI include pharmaceutical therapy, medical device implants, and organ transplants, ... -
Design of an in-house ambient pressure AP-XPS using a bench-top X-ray source and the surface chemistry of ceria under reaction conditions
(Royal Society of Chemistry, 2012-03-08)A new in-house ambient pressure XPS (AP-XPS) was designed for the study of surfaces of materials under reaction conditions and during catalysis. Unique features of this in-house AP-XPS are the use of monochromated Al Kα ... -
Direct evidence for active site-dependent formic acid electro-oxidation by topmost-surface atomic redistribution in a ternary PtPdCu electrocatalyst
(Royal Society of Chemistry, 2012-10-30)The active site-dependent electrochemical formic acid oxidation was evidenced by the increased coverage of Pt in the topmost mixed PtPd alloy layer of ternary PtPdCu upon potential cycling, which demonstrated two catalytic ... -
The role of copper in catalytic performance of a Fe–Cu–Al–O catalyst for water gas shift reaction
(Royal Society of Chemistry, 2013-01-16) -
Superior Therapeutic Potential of Young Bone Marrow Mesenchymal Stem Cells by Direct Intramyocardial Delivery in Aged Recipients with Acute Myocardial Infarction: In Vitro and In Vivo Investigation
(SAGE Publications, 2011-05-27)Bone-marrow-derived mesenchymal stem cells (MSCs) have been studied for treatment of myocardial infarction (MI). Since MSCs from older donors show quantitative and qualitative senescent changes, we hypothesized that a ... -
A novel polythyleneimine-coated adeno-associated virus-like particle formulation for efficient siRNA delivery in breast cancer therapy: preparation and in vitro analysis
(Dove Medical Press, 2012-03-22)Systemic delivery of small interfering RNA (siRNA) is limited by its poor stability and limited cell-penetrating properties. To overcome these limitations, we designed an efficient siRNA delivery system using polyethylen ... -
Hydrophobic Gas-Diffusion Media for Polymer-Electrolyte Fuel Cells by Direct Fluorination
(Electrochemical Society, 2015)A polymer-electrolyte fuel cell depends on proper water management to obtain high performance. During operation, liquid water is generated in the cell. When it is not properly and adequately removed, accumulation leads to ... -
Stem Cells in Aggregate Form to Enhance Chondrogenesis in Hydrogels
(Public Library of Science, 2015-12-31)There are a variety of exciting hydrogel technologies being explored for cartilage regenerative medicine. Our overall goal is to explore whether using stem cells in an aggregate form may be advantageous in these applications. ... -
High Active Surface Area and Durable Multi-Wall Carbon Nanotube-Based Electrodes for the Bromine Reactions in H2-Br2 Fuel Cells
(Electrochemical Society, 2015-10-30)The commercially available carbon gas diffusion electrodes (GDEs) with low specific active area but high permeability are often used as Br2 electrodes in the H2-Br2 fuel cell. In order to increase the specific active surface ... -
High Surface Area Carbon Electrodes for Bromine Reactions in H2-Br2 Fuel Cells
(Electrochemical Society, 2015-10-30)In a hydrogen-bromine (H2-Br2) fuel cell, the Br2 reactions don't require precious metal catalysts, hence porous carbon gas diffusion media (GDM) are widely used as electrodes. However, the specific surface areas of the ... -
A Comprehensive Study of an Acid-Based Reversible H2-Br2 Fuel Cell System
(Electrochemical Society, 2015-06-06)The regenerative H2-Br2 fuel cell has been a subject of notable interest and is considered as one of the suitable candidates for large scale electrical energy storage. In this study, the preliminary performance of a H2-Br2 ... -
A RhxSy/C Catalyst for the Hydrogen Oxidation and Hydrogen Evolution Reactions in HBr
(Electrochemical Society, 2015-02-10)Rhodium sulfide (Rh2S3) on carbon support was synthesized by refluxing rhodium chloride with ammonium thiosulfate. Thermal treatment of Rh2S3 at high temperatures (600°C to 850°C) in presence of argon resulted in the ...