Physical Sciences and Mathematics Commons^™

Fully Integrated Microsystem For Bacterial Genotyping, Hui-Wen Chen

LSU Doctoral Dissertations

Methods for bacterial detection and identification has garnered renewed interest in recent years due to the infections they may cause and the antimicrobial resistances they can develop, the potential for bioterrorism threats and possible contamination of food/water supplies. Therefore, the rapid, specific and accurate detection of pathogens is crucial for the prevention of pathogen-related disease outbreaks and facilitating disease management as well as the containment of suspected contaminated food and/or water supplies. In this dissertation an integrated modular-based microfluidic system composed of a fluidic cartridge and a control instrument has been developed for bacterial pathogen detection. The integrated system can …

Highly Fluorous Complexes Of Nickel, Palladium And Platinum: Solubility And Catalysis In High Pressure Co2, Brad Berven, George Koutsantonis, Brian Skelton, Robert Trengove, Allan White

Brad Berven

A variety of Group 10 metal complexes [MXY(dfppp)], M = Ni, X, Y = Cl, Br, M = Pd, Pt, X, Y = Cl or CH3, containing the recently reported highly fluorous diphosphine ligand, dfppp, 1,3-bis[di(fluoroponytail)phosphino]propane, {(p-F13C6C6H4)2P}2(CH2)3 have been synthesised. They have been characterised by NMR, mass spectrometry and microanalysis, with two platinum complexes, [PtCl2(dfppp)] and [PtClMe(dfppp)], structurally characterised by single crystal X-ray diffraction studies. The highly fluorous nature of the ligands affords the complexes good supercritical CO2 solubility as measured by supercritical fluid extraction (SFE), and has allowed for the copolymerisation of CO and ethylene using [PdClMe(dfppp)] as the …

Cross-Discipline Perceptions Of The Undergraduate Research Experience, Chris Craney, Tara Mckay, April Mazzeo, Janet Morris, Cheryl Prigodich, Robert De Groot

Chris L. Craney

The interest in undergraduate research as a “touchstone” for the integration of research and education (Bauer & Bennett, 2003, p. 212) has led to a large number of programs and models supported by a variety of public and private sources (Seymour, Hunter, Laursen, & DeAntoni, 2004). Assessments have examined students’ progress toward advanced degrees, clarification of career path decisions, understanding of research-associated skills or attitudes, and access to research (Denofrio, Russell, Lopato, & Lu, 2007; Frantz, De Haan, Demetrikopoulos, & Carruth, 2006; Hunter, Laursen, & Seymour, 2006; Hurtado, Eagan, Cabrera, Lin, Park, & Lopez, 2008; Ishiyama, 2002; Lopatto, 2004; Russell, …

A Mild Method For The Deprotection Of Tetrahydropyranyl (Thp) Ethers Catalyzed By Iron(Iii) Tosylate, Ram Mohan, Matthew Bockman, Veronica Angeles, Julia Martino, Purav Vagadia

Ram S. Mohan

A mild method for the deprotection of THP ethers catalyzed by iron(III) tosylate (2.0 mol %) in CH3OH has been developed. Iron(III) tosylate, Fe(OTs)3.6H2O, is a commercially available solid that is inexpensive, noncorrosive, and easy to handle. The room temperature reaction conditions make this method attractive for deprotection of a range of THP ethers.

Heterogeneity Of Reaction Rates In An Ionic Liquid: Quantitative Results From 2d- Muppets, Kalyanasis Sahu, Sean Kern, Mark Berg

Sean J. Kern

The hypotheses that ionic liquids are structurally heterogeneous at the molecular level and, even further, that this heterogeneity can transfer to the rates of reactions run in ionic liquids is being actively debated. Here, this hypothesis is tested using multiple population-period transient spectroscopy (MUPPETS), an emerging type of multidimensional measurement that resolves the kinetics of subensembles within a heterogeneous sample. A previous MUPPETS study of the excited-state twisting and electronic relaxation of auramine indicated that an ionic-liquid solvent induces rate dispersion due to a combination of heterogeneous and homogeneous processes, but those data could not quantitatively separate these contributions [Khurmi, …

Density Functional Calculation Of The Structure And Electronic Properties Of CuNON (N = 1−8) Clusters, Gyun-Tack Bae, Randall W. Hall, Barry Dellinger

Randall W. Hall

Governing Nanotechnology For Solar Fuels: Towards A Jurisprudence Of Global Artificial Photosynthesis, Thomas A. Faunce

Thomas A Faunce

The carbon-based fossil fuels (chiefly oil, coal, and natural gas) implicated in anthropogenic climate change are sequestered outcomes of millions of years of natural photosynthesis. Many emerging areas of nanotechnology research are focusing on artificial photosynthesis as a long-term planetary renewable energy and carbon management option – by providing an alternative form of energy to both fossil fuels and biofuels and as a means of stabilising atmospheric CO2. A macroscience Global Artificial Photosynthesis (GAP) Project, by allowing researchers to refine and enhance the process of photosynthesis, has the potential to become a valuable adjunct to or even supplant other bioenergy …

Artificial Photosynthesis: Feeding And Fuelling The Future, Thomas A. Faunce

Thomas A Faunce

Large research teams in many nations are using nanotechnology to actively redesign photosynthetic components such as light capture antennae, artificial reaction centre proteins, organic polymers and inorganic catalysts. A major aim was to achieve low cost, localised, off-the electricity grid use of sunlight to split water and achieve hydrogen for fuel cells or compression and hyper-cooling to form a liquid fuel that when burnt produces fresh water. The first international conference dedicated to creating a Global Artificial Photosynthesis (GAP) project was held in Australia at Lord Howe Island on 14-18 August 2011. As well as having endorsement from the UNESCO …

Global Artificial Photosynthesis: A Scientific And Legal Introduction., Thomas A. Faunce

Thomas A Faunce

With the global human population set to exceed 10 billion by 2050, its collective energy consumption to rise from 400 to over 500 EJ/yr and with the natural environment under increasing pressure from these sources as well as from anthropogenic climate change, political solutions such as the creation of an efficient carbon price and trading scheme may arrive too late. In this context, the scientific community is exploring technological remedies. Central to these options is artificial photosynthesis – the creation, particularly through nanotechnology, of devices capable to doing what plants have done for millions of years – transforming sunlight, water …

Will International Trade Law Promote Or Inhibit Global Artificial Photosynthesis, Thomas A. Faunce

Thomas A Faunce

Artificial photosynthesis (AP) is an area of well-advanced research involving large international groups at the cutting edge of synthetic biology and nanotechnology. In simple terms it offers to produce a cheap source of hydrogen for fuel through using sunlight to split water, as well as making basic starches by a process involving absorption of carbon dioxide via the enzyme RuBisCO. As the proliferating numbers of university-based research teams working in this area begin to combine, there will be a natural escalation of the expected time for a global roll-out of AP domestic and international devices. Policy attention will then turns …

A New Acridine-Imidazolium-Based Cholestane Receptor For Anion Sensing, Jyoti Ramesh Jadhav, Md Wasi Ahmad, Hong Seok Kim

Dr. Mohammad Wasi Ahmad (Md Wasi Ahmad)

A new highly selective receptor (3) based on an acridine-imidazolium functionalized cholestane for anion sensing was designed and synthesized. A binding study of 3 with various anions was assessed by UV-vis and fluorescence spectroscopies in dry CH3CN. Receptor 3 showed the highest selectivity toward hydrogen pyrophosphate.

Pyrenyl-Appended Imidazolium Receptor For Selective Fluorescence Sensing Of Oxalic Acid, Md Wasi Ahmad, Sung Hong Kim, Hong Seok Kim

Dr. Mohammad Wasi Ahmad (Md Wasi Ahmad)

A new fluorescent imidazolium-based cholestane receptor 4 bearing a pyrene moiety was synthesized. The binding ability of 4 toward various dicarboxylic acids was examined by UV–vis and fluorescence spectroscopy. Receptor 4 showed the highest binding constant for oxalic acid among all the tested dicarboxylic acids. Oxalic acid formed a complex with 4 with a 1:2 ratio in ethanol.

Ticl(Oipr)3-Mediated One-Pot Reductive Amination Of 1,1'-Diacetylferrocene With Aryl Amines, Md Wasi Ahmad, Sang Yeon Lee, Tae Jeong Kim, Hong Seok Kim

Dr. Mohammad Wasi Ahmad (Md Wasi Ahmad)

No abstract provided.

Novel Applications Of Nanowires In Different Aspects Of Life. A Short Review, Mohammad Mansoob Khan Dr

Dr. Mohammad Mansoob Khan

Nanowires exhibits novel electronic, thermal, electrochemical, optical and catalytic properties owing to their unique structural one-dimensionality and possible quantum confinement effects in two dimensions. With a broad selection of compositions and band structures, these one-dimensional nanostructures are considered to be the critical components in a wide range of potential nanoscale device applications. The nanowires show a strong broadband optical absorption, which makes them an interesting candidate to serve as an absorber in solar cells. The operation of a solar cell is demonstrated with n-doped nanowires grown on a p-doped silicon wafer. Single or by combing the unique properties shown by …

Anthropogenic Contamination In Sanka Stream – Determination Of The Caffeine Concentration, Agnieszka Jagoda, Witold Żukowski

Witold Zukowski

Caffeine is a widely consumed pharmaceutical. Despite it's easily metabolized in the organism, caffeine is present in wastewaters generated by households. When untreated wastewaters are discharged into surface waters caffeine levels can increase. Therefore, its detection in waterways can be considered as an indicator of anthropogenic pollution. This paper presents the results of determination of caffeine in Sanka and its tributaries. The Sanka stream has its origin in the areas lying to the north-west of the city of Krakow, and an outlet in the western part of the city (Bielany). Sanka is a left-bank tributary of the Vistula. Sanka is …

Activated Carbons: Preparations And Characterizations, Mohammed Danish

Dr. Mohammed Danish

No abstract provided.

Ftir And Diode Laser Spectroscopy Of Isobutylene.Pdf, Trocia N. Clasp, Scott Reeve

Scott Reeve

No abstract provided.

An Optical Nose Approach To Explosive Detection.Pdf, Tabetha Osborn, Joshua Green, William A. Burns, Scott Reeve

Scott Reeve

No abstract provided.

Clustering Algorithm Identification System Using Wavelet Transform, Philadelphia University

Philadelphia University, Jordan

No abstract provided.