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Articles 1 - 30 of 75
Full-Text Articles in Engineering
Preformed-Particle-Gel Placement And Plugging Performance In Fractures With Tips, Ze Wang, Baojun Bai
Preformed-Particle-Gel Placement And Plugging Performance In Fractures With Tips, Ze Wang, Baojun Bai
Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works
Preformed-particle gels (PPGs) have been applied for reducing excessive water production caused by fractures in reservoirs. A portion of the fractures existing in reservoirs is composed of a void part and a fracture tip. The PPG placement behavior and plugging performance could be mainly affected by the fracture tips. A fracture with a tip, called a "partially open fracture" in this paper, was designed to investigate the placement and water-plugging performance of PPG. Cylindrical sandstone cores were used to manufacture partially open fractures. Pressure data of PPG injection, post-gel water breakthrough, and stable injection were analyzed to investigate the PPG …
Experimental Study On The Influence Of Slickwater On Shale Permeability, Zhonghua Liu, Baojun Bai, Zheyu Zhang, Jing Tang, Shunpeng Zeng, Xiaogang Li
Experimental Study On The Influence Of Slickwater On Shale Permeability, Zhonghua Liu, Baojun Bai, Zheyu Zhang, Jing Tang, Shunpeng Zeng, Xiaogang Li
Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works
There are two diametrically opposite views of the influence of slickwater on shale permeability among scholars at home and abroad. We used the shale outcrops rock samples from the Lower Silurian Longmaxi Formation in Sichuan Basin. The permeability of these dry samples before and after immersion in different solution systems were tested by pulse attenuation method. The experimental results show that the impregnation of different slickwater components and standard salt solution can promote the increase of the permeability of shale samples. The stress sensitivity of shale samples after liquid immersion is medium weak to weak. The sample stress sensitivity is …
Macro-/Micro-Controlled 3d Lithium-Ion Batteries Via Additive Manufacturing And Electric Field Processing, Jie Li, Xinhua Liang, Frank W. Liou, Jonghyun Park
Macro-/Micro-Controlled 3d Lithium-Ion Batteries Via Additive Manufacturing And Electric Field Processing, Jie Li, Xinhua Liang, Frank W. Liou, Jonghyun Park
Chemical and Biochemical Engineering Faculty Research & Creative Works
This paper presents a new concept for making battery electrodes that can simultaneously control macro-/micro-structures and help address current energy storage technology gaps and future energy storage requirements. Modern batteries are fabricated in the form of laminated structures that are composed of randomly mixed constituent materials. This randomness in conventional methods can provide a possibility of developing new breakthrough processing techniques to build well-organized structures that can improve battery performance. In the proposed processing, an electric field (EF) controls the microstructures of manganese-based electrodes, while additive manufacturing controls macro-3D structures and the integration of both scales. The synergistic control of …
Superelastic And Ph-Responsive Degradable Dendrimer Cryogels Prepared By Cryo-Aza-Michael Addition Reaction, Juan Wang, Hu Yang
Superelastic And Ph-Responsive Degradable Dendrimer Cryogels Prepared By Cryo-Aza-Michael Addition Reaction, Juan Wang, Hu Yang
Chemical and Biochemical Engineering Faculty Research & Creative Works
Dendrimers exhibit super atomistic features by virtue of their well-defined discrete quantized nanoscale structures. Here, we show that hyperbranched amine-terminated polyamidoamine (PAMAM) dendrimer G4.0 reacts with linear polyethylene glycol (PEG) diacrylate (575 g/mol) via the aza-Michael addition reaction at a subzero temperature (-20 °C), namely cryo-aza-Michael addition, to form a macroporous superelastic network, i.e., dendrimer cryogel. Dendrimer cryogels exhibit biologically relevant Young's modulus, high compression elasticity and super resilience at ambient temperature. Furthermore, the dendrimer cryogels exhibit excellent rebound performance and do not show significant stress relaxation under cyclic deformation over a wide temperature range (-80 to 100 °C). The …
Synergic Titanium Nitride Coating And Titanium Doping By Atomic Layer Deposition For Stable- And High-Performance Lifepo₄, Yan Gao, Jonghyun Park, Xinhua Liang
Synergic Titanium Nitride Coating And Titanium Doping By Atomic Layer Deposition For Stable- And High-Performance Lifepo₄, Yan Gao, Jonghyun Park, Xinhua Liang
Mechanical and Aerospace Engineering Faculty Research & Creative Works
Atomic layer deposition (ALD) method has emerged as a promising technique to address the dissolution and poor conductivity of electrode materials of lithium ion batteries. In this work, surface modification of LiFePO4 (LFP) was carried out by titanium nitride (TiN) ALD, during which a Ti doping into LFP occurred simultaneously. X-ray photoelectron spectroscopy (XPS) and electrochemical tests were performed to prove the Ti doping, and the composition of TiN layer on the surface of LFP particles was interpreted as a combination of TiN and titanium oxynitride (TiOxNy). Owing to the synergy of TiN coating and …
Highly Porous Ceramic Material And Method Of Using And Forming The Same, Alan W. Weimer, Xinhua Liang
Highly Porous Ceramic Material And Method Of Using And Forming The Same, Alan W. Weimer, Xinhua Liang
Chemical and Biochemical Engineering Faculty Research & Creative Works
The present invention generally relates to porous ceramic material and to methods of making and using the material. More particularly, the invention relates to methods of forming ceramic materials by depositing material, using atomic layer deposition, onto a sacrificial substrate and to ceramic materials having controlled wall thickness, relatively large pores, and high surface area by weight.
Apparatus, Methods And Systems For Fabricating Thin Nanoporous Membranes, Sankar Nair, Jeffrey H. Drese, Kiwon Eum, Ryan P. Lively, Ali A. Rownaghi, Yash Tamhankar, Shaowei Yang
Apparatus, Methods And Systems For Fabricating Thin Nanoporous Membranes, Sankar Nair, Jeffrey H. Drese, Kiwon Eum, Ryan P. Lively, Ali A. Rownaghi, Yash Tamhankar, Shaowei Yang
Chemical and Biochemical Engineering Faculty Research & Creative Works
Embodiments of the present disclosure provide apparatuses, methods and systems for scalable fabrication of thin, nanoporous membranes useful in industrial applications. One embodiment of the present disclosure provides a molecular separation device configured to efficiently separate molecular species. In this particular embodiment, porous hollow fibers form a supporting scaffold for synthesis of a molecular organic framework (MOF) membrane. The MOF membrane may be synthesized on the inner or outer porous hollow fiber surface as well as within the porous fiber wall. Embodiments of the present disclosure provide a variety of methods for producing the aforementioned molecular separation devices as well …
Establishment And Application Of Fractal Capillary Tube Bundle Model Of Porous Media, Zhonghua Liu, Jianing Shen, Qianhua Xiao, Zhongpei Ding, Shunpeng Zeng, Baojun Bai
Establishment And Application Of Fractal Capillary Tube Bundle Model Of Porous Media, Zhonghua Liu, Jianing Shen, Qianhua Xiao, Zhongpei Ding, Shunpeng Zeng, Baojun Bai
Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works
In view of the problem of statistical regression constant in the model of capillary tube bundles in the porous media, a capillary bundle percolation model with fractal geometry was reconstructed. The function expressions of the fractal coefficient and Kozeny constant were deduced. The relationship between the macroscopic fractal properties of porous media and the fractal dimension and the micro pore parameters were obtained. Results show: Fractal coefficient is a function of fractal dimension, maximum pore radius and minimum pore radius; The macroscopic physical properties of porous media are a function of the fractal dimension and the radius of the capillary …
Multicellular Models Bridging Intracellular Signaling And Gene Transcription To Population Dynamics, Mohammad Aminul Islam, Satyaki Roy, Sajal K. Das, Dipak Barua
Multicellular Models Bridging Intracellular Signaling And Gene Transcription To Population Dynamics, Mohammad Aminul Islam, Satyaki Roy, Sajal K. Das, Dipak Barua
Computer Science Faculty Research & Creative Works
Cell signaling and gene transcription occur at faster time scales compared to cellular death, division, and evolution. Bridging these multiscale events in a model is computationally challenging. We introduce a framework for the systematic development of multiscale cell population models. Using message passing interface (MPI) parallelism, the framework creates a population model from a single-cell biochemical network model. It launches parallel simulations on a single-cell model and treats each stand-alone parallel process as a cell object. MPI mediates cell-to-cell and cell-to-environment communications in a server-client fashion. In the framework, model-specific higher level rules link the intracellular molecular events to cellular …
Experimental Investigation On Heat Transfer In A Prismatic Modular Reactor Under Cosine Heat Flux, S. M. Alshehri, I. A. Said, Muthanna H. Al-Dahhan, Shoaib Usman
Experimental Investigation On Heat Transfer In A Prismatic Modular Reactor Under Cosine Heat Flux, S. M. Alshehri, I. A. Said, Muthanna H. Al-Dahhan, Shoaib Usman
Chemical and Biochemical Engineering Faculty Research & Creative Works
The current study has investigated natural convection heat during pressurized conduction cooldown (PCC) accident scenario to understand the passive safety features of prismatic modular reactors (PMR) under different intensities of nonuniform center peaking step heat flux distributions (approximating cosine shape) using an advanced fast-response heat transfer technique. A scaled-down PMR module was designed and developed at Missouri S&T by the research team of the Multiphase Reactors Engineering and Applications Laboratory (mReal). The module consists of upper and lower plena connected by heated and cooled channels. Nonuniform heat flux distribution was applied to the heated channel under nonuniform heating center peaking …
Ultra-Thin Coating And Three-Dimensional Electrode Structures To Boosted Thick Electrode Lithium-Ion Battery Performance, Jie Li, Yan Gao, Xinhua Liang, Jonghyun Park
Ultra-Thin Coating And Three-Dimensional Electrode Structures To Boosted Thick Electrode Lithium-Ion Battery Performance, Jie Li, Yan Gao, Xinhua Liang, Jonghyun Park
Chemical and Biochemical Engineering Faculty Research & Creative Works
This paper reports a multiscale controlled three‐dimensional (3D) electrode structure to boost the battery performance for thick electrode batteries with LiMn1.5Ni0.5O4 as cathode material, which exhibits a high areal capacity (3.5 mAh/cm2) along with a high specific capacity (130 mAh/g). This excellent battery performance is achieved by a new concept of cell electrode fabrication, which simultaneously controls the electrode structure in a multiscale manner to address the key challenges of the material. Particles with ultrathin conformal coating layers are prepared through atomic layer deposition followed by a nanoscale‐controlled, thermal diffusion doping. The particles …
Shape-Based Separation Of Micro-/Nanoparticles In Liquid Phases, Behrouz Behdani, Saman Monjezi, Mason J. Carey, Curtis G. Weldon, Jie Zhang, Cheng Wang, Joontaek Park
Shape-Based Separation Of Micro-/Nanoparticles In Liquid Phases, Behrouz Behdani, Saman Monjezi, Mason J. Carey, Curtis G. Weldon, Jie Zhang, Cheng Wang, Joontaek Park
Mechanical and Aerospace Engineering Faculty Research & Creative Works
The production of particles with shape-specific properties is reliant upon the separation of micro-/nanoparticles of particular shapes from particle mixtures of similar volumes. However, compared to a large number of size-based particle separation methods, shape-based separation methods have not been adequately explored. We review various up-to-date approaches to shape-based separation of rigid micro-/nanoparticles in liquid phases including size exclusion chromatography, field flow fractionation, deterministic lateral displacement, inertial focusing, electrophoresis, magnetophoresis, self-assembly precipitation, and centrifugation. We discuss separation mechanisms by classifying them as either changes in surface interactions or extensions of size-based separation. The latter includes geometric restrictions and shape-dependent transport …
A Spatio-Temporal Model Reveals Self-Limiting Fcɛri Cross-Linking By Multivalent Antigens, Md Shahinuzzaman, Jawahar Khetan, Dipak Barua
A Spatio-Temporal Model Reveals Self-Limiting Fcɛri Cross-Linking By Multivalent Antigens, Md Shahinuzzaman, Jawahar Khetan, Dipak Barua
Chemical and Biochemical Engineering Faculty Research & Creative Works
Aggregation of cell surface receptor proteins by multivalent antigens is an essential early step for immune cell signalling. A number of experimental and modelling studies in the past have investigated multivalent ligand-mediated aggregation of IgE receptors (FcɛRI) in the plasma membrane of mast cells. However, understanding of the mechanisms of FcɛRI aggregation remains incomplete. Experimental reports indicate that FcɛRI forms relatively small and finite-sized clusters when stimulated by a multivalent ligand. By contrast, modelling studies have shown that receptor cross-linking by a trivalent ligand may lead to the formation of large receptor superaggregates that …
Numerical Simulation Study On Miscible Eor Techniques For Improving Oil Recovery In Shale Oil Reservoirs, Dheiaa Alfarge, Mingzhen Wei, Baojun Bai
Numerical Simulation Study On Miscible Eor Techniques For Improving Oil Recovery In Shale Oil Reservoirs, Dheiaa Alfarge, Mingzhen Wei, Baojun Bai
Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works
Shale formations in North America such as Bakken, Niobrara, and Eagle Ford have huge oil in place, 100—900 billion barrels of oil in Bakken only. However, the predicted primary recovery is still below 10%. Therefore, seeking for techniques to enhance oil recovery in these complex plays is inevitable. Although most of the previous studies in this area recommended that CO2 would be the best EOR technique to improve oil recovery in these formations, pilot tests showed that natural gases performance clearly exceeds CO2 performance in the field scale. In this paper, two different approaches have been integrated to …
Insights Into Low Salinity Water Flooding, Hasan N. Al-Saedi, Ralph E. Flori, Patrick V. Brady
Insights Into Low Salinity Water Flooding, Hasan N. Al-Saedi, Ralph E. Flori, Patrick V. Brady
Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works
In our previous work, we examined the potential of divalent cations (Mg2+ and Ca2+) in formation water (FW) for low-salinity (LS) EOR effect, where the increase in divalent cations in FW lowered the impact of LS water EOR.
In this paper, we demonstrate the importance of the same divalent cations in the injected water (both FW and LS water). We also try to relate the percentage of the divalent cations in the injected water to that in the FW to engineer the optimum concentration of the injected water and obtain the maximum oil recovery from sandstone reservoirs. …
Effect Of Differences In The Primary Structure Of The A-Chain On The Aggregation Of Insulin Fragments, Paul P. Nakka, Ke Li, Daniel Forciniti
Effect Of Differences In The Primary Structure Of The A-Chain On The Aggregation Of Insulin Fragments, Paul P. Nakka, Ke Li, Daniel Forciniti
Chemical and Biochemical Engineering Faculty Research & Creative Works
Bovine and human insulin have similar primary structures. In this article, the region of the insulin A-chain of bovine and human insulin where the amino acid composition is different was studied. Bovine insulin fragment (BIF) and human insulin fragment (HIF) were synthesized in solid-phase peptide synthesis. The effects of pH, temperature, urea, ionic strength, and stirring on the formation of fibrils were studied using a fractional factorial resolution III experimental design. Fibrillation was monitored by fluorescence and infrared spectroscopy and optical microscopy. Both fragments formed fibrils at pH 1.6 and a temperature of 60 °C. The lag time and apparent …
Incorporating Germanium Oxide Into The Glass Phase Of Novel Zinc/Magnesium-Based Gpcs Designed For Bone Void Filling: Evaluating Their Physical And Mechanical Properties, Basel A. Khader, Omar Rodriguez, Mark R. Towler
Incorporating Germanium Oxide Into The Glass Phase Of Novel Zinc/Magnesium-Based Gpcs Designed For Bone Void Filling: Evaluating Their Physical And Mechanical Properties, Basel A. Khader, Omar Rodriguez, Mark R. Towler
Chemical and Biochemical Engineering Faculty Research & Creative Works
The structural role of Germanium (Ge), when substituting for Zinc (Zn) up to 8 mol % in the 0.48SiO2-0.12CaO-0.36ZnO-0.04MgO glass series, was investigated with respect to both the glass chemistry and also the properties of glass polyalkenoate cements (GPCs) manufactured from them. The Network connectivity (NC) of the glass was calculated to increase from 1.83 to 2.42 with the addition of GeO2 (0-8 mol %). Differential thermal analysis (DTA) results confirmed an increase in the glass transition temperature (Tg) of the glass series with GeO2 content. X-ray photoelectron spectroscopy (XPS) showed an increase in …
Significant Improvement In Tio₂ Photocatalytic Activity Through Controllable Zro₂ Deposition, Xiaofeng Wang, Rajankumar L. Patel, Xinhua Liang
Significant Improvement In Tio₂ Photocatalytic Activity Through Controllable Zro₂ Deposition, Xiaofeng Wang, Rajankumar L. Patel, Xinhua Liang
Chemical and Biochemical Engineering Faculty Research & Creative Works
ZrO2 was deposited on anatase TiO2 nanoparticles using 5-80 cycles of atomic layer deposition (ALD). The photocatalytic activity of all samples was evaluated based on the degradation of methylene blue (MB) solution under UV light. The TiO2 sample with 45 cycles of ZrO2 deposition (45c-Zr/TiO2, 1.1 wt% ZrO2) was proved to be the most efficient catalyst with a degradation kinetic constant 10 times larger than that of the pure TiO2 sample. All samples were characterized using inductively coupled plasma atomic emission spectroscopy (ICP-AES), nitrogen adsorption-desorption, X-ray diffraction (XRD), transmission electron microscopy …
Microwave-Assisted Synthesis Of Palladium Nanoparticles Supported On Copper Oxide In Aqueous Medium As An Efficient Catalyst For Suzuki Cross-Coupling Reaction, Hany A. Elazab, M. A. Sadek, Tamer T. El-Idreesy
Microwave-Assisted Synthesis Of Palladium Nanoparticles Supported On Copper Oxide In Aqueous Medium As An Efficient Catalyst For Suzuki Cross-Coupling Reaction, Hany A. Elazab, M. A. Sadek, Tamer T. El-Idreesy
Chemical and Biochemical Engineering Faculty Research & Creative Works
We report here a reliable green method for the synthesis of palladium nanoparticles supported on copper oxide as a highly active and efficient catalyst for Suzuki cross-coupling reaction. The experimental synthetic approach is based on microwave-assisted chemical reduction of an aqueous mixture of palladium and copper salt simultaneously using hydrazine hydrate as reducing agent. The catalyst was fully characterized using various techniques showing well-dispersed palladium nanoparticles. The catalytic activity and recyclability of the prepared catalyst were experimentally explored in the ligand-free Suzuki cross-coupling reaction with a diverse series of functionalized substrates. The synthesized Pd/CuO catalyst shows many advantages beside its …
Software For Peak Finding And Elemental Composition Assignment For Glycosaminoglycan Tandem Mass Spectra, John D. Hogan, Joshua A. Klein, Jiandong Wu, Pradeep Chopra, Geert Jan Boons, Luis Carvalho, Cheng Lin, Joseph Zaia
Software For Peak Finding And Elemental Composition Assignment For Glycosaminoglycan Tandem Mass Spectra, John D. Hogan, Joshua A. Klein, Jiandong Wu, Pradeep Chopra, Geert Jan Boons, Luis Carvalho, Cheng Lin, Joseph Zaia
Chemical and Biochemical Engineering Faculty Research & Creative Works
Glycosaminoglycans (GAGs) Covalently Linked to Proteoglycans (PGs) Are Characterized by Repeating Disaccharide Units and Variable Sulfation Patterns Along the Chain. GAG Length and Sulfation Patterns Impact Disease Etiology, Cellular Signaling, and Structural Support for Cells. We and Others Have Demonstrated the Usefulness of Tandem Mass Spectrometry (MS 2 ) for Assigning the Structures of GAG Saccharides; However, Manual Interpretation of Tandem Mass Spectra is Time-Consuming, So Computational Methods Must Be Employed. in the Proteomics Domain, the Identification of Monoisotopic Peaks and Charge States Relies on Algorithms that Use Averagine, or the Average Building Block of the Compound Class Being Analyzed. …
The Catalytic Activity Of Copper Oxide Nanoparticles Towards Carbon Monoxide Oxidation Catalysis: Microwave – Assisted Synthesis Approach, Hany A. Elazab
The Catalytic Activity Of Copper Oxide Nanoparticles Towards Carbon Monoxide Oxidation Catalysis: Microwave – Assisted Synthesis Approach, Hany A. Elazab
Chemical and Biochemical Engineering Faculty Research & Creative Works
In this research, we report a simple, versatile, and reproducible method for the synthesis of copper oxide nanoparticles via microwave assisted synthesis approach. The important advantage of this catalyst is due to its important role not only in the low temperature oxidation of CO but also in potential applications in pharmaceutical and fine chemical synthesis. The results reveal that the copper oxide catalyst has particularly a remarkable high activity for CO oxidation catalysis as it was found that copper oxide (CuO) catalyst has 100% conversion of carbon monoxide into carbon dioxide at 175 oC. This also could be attributed to …
Laser Vaporization And Controlled Condensation (Lvcc) Of Graphene Supported Pd/Fe3o4 Nanoparticles As An Efficient Magnetic Catalysts For Suzuki Cross – Coupling, Hany A. Elazab
Chemical and Biochemical Engineering Faculty Research & Creative Works
Herein, a reproducible, reliable, and efficient method was reported for the synthesis of palladium nanoparticles dispersed on a composite of Fe3O4 and graphene (Pd-Fe3O4/G) as a highly efficient active catalyst for being used in Suzuki cross–coupling reactions. Graphene supported Pd/Fe3O4 nanoparticles (Pd-Fe3O4/G) exhibit a remarkable catalytic performance towards Suzuki coupling reactions. Moreover, the prepared catalyst could be recycled for up to three times with high catalytic activity. The catalyst was prepared using LVCC synthesis; the prepared catalyst is highly magnetic which provides a platform to facilitate …
High Efficiency, High Performance Metal-Organic Framework (Mof) Membranes In Hollow Fibers And Tubular Modules, Sankar Nair, Kiwon Eum, Christopher W. Jones, Ali A. Rownaghi
High Efficiency, High Performance Metal-Organic Framework (Mof) Membranes In Hollow Fibers And Tubular Modules, Sankar Nair, Kiwon Eum, Christopher W. Jones, Ali A. Rownaghi
Chemical and Biochemical Engineering Faculty Research & Creative Works
A reactor cell for measuring gas and liquid permeation is disclosed. A hollow fiber is supported by and sealed into a first hole and a second hole of the reactor module. The first and second ends of the hollow fiber are sealed with a sealing solution. Methods for making and using the reactor cell are also disclosed. As made and used, the reactor cell further comprises a molecular sieving membrane that is uniform and free of defects grown on an inner bore surface of the hollow fiber.
Negative Electron Transfer Dissociation Sequencing Of 3-O-Sulfation-Containing Heparan Sulfate Oligosaccharides, Jiandong Wu, Juan Wei, John D. Hogan, Pradeep Chopra, Apoorva Joshi, Weigang Lu, Joshua Klein, Geert Jan Boons, Cheng Lin, Joseph Zaia
Negative Electron Transfer Dissociation Sequencing Of 3-O-Sulfation-Containing Heparan Sulfate Oligosaccharides, Jiandong Wu, Juan Wei, John D. Hogan, Pradeep Chopra, Apoorva Joshi, Weigang Lu, Joshua Klein, Geert Jan Boons, Cheng Lin, Joseph Zaia
Chemical and Biochemical Engineering Faculty Research & Creative Works
Among Dissociation Methods, Negative Electron Transfer Dissociation (NETD) Has Been Proven the Most Useful for Glycosaminoglycan (GAG) Sequencing Because It Produces Informative Fragmentation, a Low Degree of Sulfate Losses, High Sensitivity, and Translatability to Multiple Instrument Types. the Challenge, However, is to Distinguish Positional Sulfation. in Particular, NETD Has Been Reported to Fail to Differentiate 4-O- Versus 6-O-Sulfation in Chondroitin Sulfate Decasaccharide. This Raised the Concern of Whether NETD is Able to Differentiate the Rare 3-O-Sulfation from Predominant 6-O-Sulfation in Heparan Sulfate (HS) Oligosaccharides. Here, We Report that NETD Generates Highly Informative Spectra that Differentiate Sites of O-Sulfation on Glucosamine …
Biodegradation Of Phenolic Components In Wastewater By Micro Algae: A Review, Muthanna H. Al-Dahhan, Faris Hammoodi Al-Ani, Adaf Jadaan Obaied Al-Saned
Biodegradation Of Phenolic Components In Wastewater By Micro Algae: A Review, Muthanna H. Al-Dahhan, Faris Hammoodi Al-Ani, Adaf Jadaan Obaied Al-Saned
Chemical and Biochemical Engineering Faculty Research & Creative Works
The biodegradation of phenolic contaminant present in wastewater by micro algae has been investigated in the current research. The study focused on algae growth requirements and factors affecting algae growth in contaminated water leading to the best treatment. Different techniques used to functionalize microalgae in the treatment such as batch and continuous operation modes have been further investigated. Mechanisms for microalgae pollutants degradation and microalgae growth kinetics were also highlighted to present the required knowledge in phenol contaminant biodegradation field by microorganisms.
Comparison Between Cold/Hot Smart Water Flooding In Sandstone Reservoirs, Hasan N. Al-Saedi, Ariel Williams, Ralph E. Flori
Comparison Between Cold/Hot Smart Water Flooding In Sandstone Reservoirs, Hasan N. Al-Saedi, Ariel Williams, Ralph E. Flori
Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works
The incremental oil recovery has been investigated and approved by many laboratory and field projects using water flooding in tertiary stage. The salinity of the injected water is an important factor observed by many researchers. The more salinity decreases the more oil recovery obtained. The investigations on the hot low salinity water flooding have been conducted by many researchers and they found out that it is useful for increasing oil recovery especially heavy oil due to reducing oil viscosity and make it easy to produce to the surface. The thermal expansion of water plays an important role in the incremental …
Development Of A Novel Bioactive Glass Suitable For Osteosarcoma-Related Bone Grafts, Alireza Rahimnejad Yazdi, Lawrence Torkan, Stephen D. Waldman, Mark R. Towler
Development Of A Novel Bioactive Glass Suitable For Osteosarcoma-Related Bone Grafts, Alireza Rahimnejad Yazdi, Lawrence Torkan, Stephen D. Waldman, Mark R. Towler
Chemical and Biochemical Engineering Faculty Research & Creative Works
In this study, zinc borate-based glasses with increasing gallium content (0, 2.5, 5, 10, and 15 wt % Ga) were synthesized and their effect on the viability and proliferation of preosteoblasts and osteosarcoma cancer cells were investigated. Methyl thiazolyl tetrazolium (MTT) cell viability assays using glass degradation extracts revealed that the extracts from glasses with lower Ga contents could enhance the viability of preosteoblasts, while extracts from the glass composition with 15 wt % Ga caused statistically significant reduction of their viability. MTT cell viability assays using the extracts and osteosarcoma cells showed that only extracts from the glass composition …
Systems And Methods For Endotoxin Removal From Fluids, Sutapa Barua
Systems And Methods For Endotoxin Removal From Fluids, Sutapa Barua
Chemical and Biochemical Engineering Faculty Research & Creative Works
Systems and methods are provided for the removal of endotoxins from fluids. The methods can include the use of polymeric nanoparticles for binding endotoxins present in a fluid. The polymeric nanoparticles can be associated with a support member. The polymeric nanoparticles can have an endotoxin removal capacity of at least 1×109 endotoxin units per gram of polymeric nanoparticle (EU/g) and/or a removal efficacy per unit surface area of the polymeric nanoparticles of at least 1×106 EU/cm2.
The Effect Of Weak Confinement On The Orientation Of Nanorods Under Shear Flows, Saman Monjezi, James D. Jones, Alyssa K. Nelson, Joontaek Park
The Effect Of Weak Confinement On The Orientation Of Nanorods Under Shear Flows, Saman Monjezi, James D. Jones, Alyssa K. Nelson, Joontaek Park
Chemical and Biochemical Engineering Faculty Research & Creative Works
We performed a numerical analysis to study the orientation distribution of a dilute suspension of thin, rigid, rod-like nanoparticles under shearing flow near a solid boundary of weak confinement. Brownian dynamics simulation of a rod was performed under various ratios of shear rate and rod diffusivity (Peclet number), as well as the center-of-mass position (wall confinement). We discuss the effects of Peclet number and wall confinement on the angle distributions, Jeffery orbit distribution and average orientation moments. The average orientation moments, obtained as a function of Peclet number and wall confinement, can be used to improve a previous shear-induced migration …
System, Devices And Methods For Molecular Separation, Sankar Nair, Christopher W. Jones, Fereshteh Rashidi, Ali A. Rownaghi
System, Devices And Methods For Molecular Separation, Sankar Nair, Christopher W. Jones, Fereshteh Rashidi, Ali A. Rownaghi
Chemical and Biochemical Engineering Faculty Research & Creative Works
Systems, devices and methods for molecular separation including a molecular separation device comprising at least a polycrystalline metal-organic framework (MOF) and a nanocrystalline, zeolite MFI, wherein the MOF forms a polycrystalline membrane with zeolite MFI nanoparticles dispersed therein, and the MOF membrane matrix contacting and surrounding the zeolite MFI nanoparticles form a permselective nanoporous structure.