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Chemical & Petroleum Engineering Scholarly Works: Recent submissions
Now showing items 121-140 of 182
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Triple‐crystal x‐ray diffraction analysis of reactive ion etched gallium arsenide
(American Institute of Physics, 1994)The effect of BCl3 reactive ion etching on the structural perfection of GaAs has been studied with diffuse x‐ray scattering measurementsconducted by high‐resolution triple‐crystal x‐ray diffraction. While using a symmetric ... -
Mass spectrometric characterization of BCl3/SF6 plasmas
(American Institute of Physics, 2000)Significant increases in the etch rates of both GaAs and GaN have been observed with the addition of SF6 to BCl3plasmas. Mass spectrometric characterization of neutrals in these gas mixtures shows that increasing the SF6 ... -
Mixed-conducting oxygen permeable ceramic membranes for the carbon dioxide reforming of methane
(Royal Society of Chemistry, 2007-02-01)Due to the high economic, environmental, and safety costs associated with pure oxygen, mixed-conducting oxygen-permeable ceramic membranes are being explored as an alternative oxygen source for hydrocarbon conversion ... -
Comment on “Osmotic Propulsion: The Osmotic Motor”
(American Physical Society, 2009-04-16)A Comment on the Letter by Ubaldo M. Córdova-Figueroa and John F. Brady, [Phys Rev. Lett. 100, 158303 (2008)]. The authors of the Letter offer a Reply. -
Active Interfacial Shear Microrheology of Aging Protein Films
(American Physical Society, 2010-01-04)The magnetically driven rotation of 300 nm diameter rods shows the surface viscosity of albumin at an air-water interface increases from 10−9 to 10−5 N s/m over 2 h while the surface pressure saturates in minutes. The ... -
Immunohistochemical characterization of the rabbit tracheal cartilages
(Scientific Research Publishing, 2010-10)The objective of this study was to immunohistochemically elucidate the major extracellular matrix constituents of rabbit tracheal cartilage. The impetus for this project is the need for crucial design and validation criteria ... -
Chondrogenic differentiation of stem cells in human umbilical cord stroma with PGA and PLLA scaffolds
(Scientific Research Publishing, 2012-11)The stem cells in the umbilical cord stroma, or Wharton’s jelly, are referred to as human umbilical cord mesenchymal stromal cells (hUCMSCs) and have been shown to differentiate along a chondrogenic lineage. The aim of ... -
A Review of Gene Delivery and Stem Cell Based Therapies for Regenerating Inner Ear Hair Cells
(MDPI, 2011)Sensory neural hearing loss and vestibular dysfunction have become the most common forms of sensory defects, affecting millions of people worldwide. Developing effective therapies to restore hearing loss is challenging, ... -
Highly active supported palladium catalyst for the regioselective synthesis of 2-arylpropionic acids by carbonylation
(Royal Society of Chemistry, 1999)A catalyst system consisting of supported palladium in the presence of phosphine ligands, TsOH and LiCl catalyses the carbonylation of 1-arylethanols to 2-arylpropionic acids with significantly improved activity and ... -
Highly active water-soluble palladium catalyst for the regioselective carbonylation of vinyl aromatics to 2-arylpropionic acids
(Royal Society of Chemistry, 2000-06-20)A novel water-soluble Pd complex containing pyridine carboxylate and TPPTS as ligands is a highly active catalyst for the carbonylation of vinyl aromatics under biphasic conditions and provides high regioselectivity to ... -
Synthesis of polyesteramides by a new palladium catalyzed carbonylation–polycondensation reaction
(Royal Society of Chemistry, 2001-04-18)Alternating polyesteramides are prepared by palladium catalyzed carbonylation–polycondensation reactions of aromatic diiodides and aminohydroxy compounds in the presence of an organic base. -
Carbamate synthesis by solid-base catalyzed reaction of disubstituted ureas and carbonates
(Royal Society of Chemistry, 2001-12-03)A simple and efficient methodology to prepare carbamates has been demonstrated for the first time from symmetrical ureas and organic carbonates in the presence of solid base catalysts. -
A new method for the synthesis of hydrophobized, catalytically active Pt nanoparticles
(Royal Society of Chemistry, 2002-11-12)A single step method for the synthesis of catalytically active, hydrophobic Pt nanoparticles by the spontaneous reduction of aqueous PtCl62− ions by hexadecylaniline molecules at a liquid–liquid interface is described. -
Propane reacts with O2 and H2 on gold supported TS-1 to form oxygenates with high selectivity
(Royal Society of Chemistry, 2008-06-13)Gold nanoparticles supported on a microporous titanosilicate (TS-1) were found to be highly selective (95%) towards the formation of acetone and isopropanol from propane, O2, and H2 at moderate temperatures (443 K). -
Synthesis, catalysis, surface chemistry and structure of bimetallic nanocatalysts
(Royal Society of Chemistry, 2012-11-12)Amorphous alloys structurally deviate from crystalline materials in that they possess unique short-range ordered and long-range disordered atomic arrangement. They are important catalytic materials due to their unique ... -
Synthesis and catalysis of chemically reduced metal–metalloid amorphous alloys
(Royal Society of Chemistry, 2012-08-20)Amorphous alloys structurally deviate from crystalline materials in that they possess unique short-range ordered and long-range disordered atomic arrangement. They are important catalytic materials due to their unique ... -
Shape control of bimetallic nanocatalysts through well-designed colloidal chemistry approaches
(Royal Society of Chemistry, 2012-10-19)Synthesis of bimetallic nanomaterials with well controlled shape is an important topic in heterogeneous catalysis, low-temperature fuel cell technology, and many other fields. Compared with monometallic counterparts, ... -
Action of bimetallic nanocatalysts under reaction conditions and during catalysis: evolution of chemistry from high vacuum conditions to reaction conditions
(Royal Society of Chemistry, 2012-09-28)Bimetallic catalysts are one of the main categories of metal catalysts due to the tunability of electronic and geometric structures through alloying a second metal. The integration of a second metal creates a vast number ... -
Intramyocardial sustained delivery of placental growth factor using nanoparticles as a vehicle for delivery in the rat infarct model
(International Journal of Nanomedicine, 2011-10-31)Acute myocardial ischemia results in scar formation with ventricular dilatation and eventually heart failure. Placental growth factor (PlGF) is reported to stimulate angiogenesis and improve cardiac function. In this study, ... -
Diet-induced metabolic hamster model of nonalcoholic fatty liver disease
(Dove Medical Press, 2011-06-03)Obesity, hypercholesterolemia, elevated triglycerides, and type 2 diabetes are major risk factors for metabolic syndrome. Hamsters, unlike rats or mice, respond well to diet-induced obesity, increase body mass and adiposity ...