Engineering Commons^™

An Optical Probe For Detecting Chondrocyte Apoptosis In Response To Mechanical Injury, Yihui Huang, Jun Zhou, Amirhossein Hakamivala, Jinglei Wu, Yi Hong, Joseph Borrelli Jr., Liping Tang

Bioengineering Faculty Publications - Archive

Cartilage injury induced by acute excessive contact stress is common and mostly affects young adult. Although early detection of cartilage injury may prevent serious and lifelong arthritic complications, early detection and treatment is not possible due to the lack of a reliable detection method. Since chondrocyte injury and subsequent cell death are the early signs of cartilage injury, it is likely that cartilage cell apoptosis can be used to predict the extent of injury. To test this hypothesis, a near infrared probe was fabricated to have high affinity to apoptotic cells. In vitro tests show that this apoptosis probe has …

Conditions For Barrel And Clam-Shell Liquid Drops To Move On Bio-Inspired Conical Wires, Cheng Luo, Xiang Wang

Mechanical and Aerospace Faculty Publications - Archive

It has been reported that, in a foggy environment, water drops with either barrel or clam-shell shapes are capable of self-running on conical wire-like structures, such as cactus spines, spider silk, and water striders’ legs. On the other hand, the corresponding moving mechanisms are still not quite understood. For instance, it is unclear under what conditions clam-shell drops would move from the tip towards the root on a conical wire. In this work, based on the balance of forces, we derive conditions for a drop to self-transport towards or away from the root. We find that, although barrel and clam-shell …

Software Updates To A Multiple Autonomous Quadcopter Search System (Maqss), Jared Speck, Toby Chan

Computer Engineering

A series of performance-based and feature implementation software updates to an existing multiple vehicle autonomous target search system is outlined in this paper. The search system, MAQSS, is designed to address a computational power constraint found on modern autonomous aerial platforms by separating real-time and computationally expensive tasks through delegation to multiple multirotor vehicles. A Ground Control Station (GCS) is also described as part of the MAQSS system to perform the delegation and provide a low workload user interface. Ultimately, the changes to MAQSS noted in this paper helped to improve the performance of the autonomous search mission, the accuracy …

5‐Minute Power Ouptut Data For A 1.72kwp Pv System With Weather Variables, Lacour Ayompe, Aidan Duffy, Kevin O'Farrell

Other resources

This dataset contains 5-minute power (AC and DC) power output date from a 1.72kWp PV system located in Dublin in 2009-10 together with input weather variables and system parameters. Details below.

Geographical site: FOCAS Institute building roof top, Dublin Institute of Technology, Kevin Street, Dublin 2, Ireland.

Situation: Latitude 53.4degN Longitude -6degE

Time zone GMT

Installation date: 4th April 2008

PV array orientation: Tilt 53deg Azimuth 0deg

Near shadings: No shadings

Building height: Approximately 12 m

PV array capacity: 1.72 kWp

Collection period: 4^th April 2009 – 3^rd April 2010

The data acquisition system consisted of a Sunny …

The Mechanisms And Biomedical Applications Of An Nir Bodipy-Based Switchable Fluorescent Probe, Bingbing Cheng, Venugopal Bandi, Shuai Yu, Francis D’Souza, Kytai T. Nguyen, Yi Hong, Liping Tang, Baohong Yuan, Sundaresan Gobalakrishnan, William Chi-Shing Cho, Jamal Zweit

Bioengineering Faculty Publications - Archive

Highly environment-sensitive fluorophores have been desired for many biomedical applications. Because of the noninvasive operation, high sensitivity, and high specificity to the microenvironment change, they can be used as excellent probes for fluorescence sensing/imaging, cell tracking/imaging, molecular imaging for cancer, and so on (i.e., polarity, viscosity, temperature, or pH measurement). In this work, investigations of the switching mechanism of a recently reported near-infrared environment-sensitive fluorophore, ADP(CA)2, were conducted. Besides, multiple potential biomedical applications of this switchable fluorescent probe have been demonstrated, including wash-free live-cell fluorescence imaging, in vivo tissue fluorescence imaging, temperature sensing, and ultrasound-switchable fluorescence (USF) imaging. The fluorescence …

A Dual-Modality System For Both Multi-Color Ultrasound-Switchable Fluorescence And Ultrasound Imaging, Jayanth Kandukuri, Shuai Yu, Bingbing Cheng, Venugopal Bandi, Francis D’Souza, Kytai Truong Nguyen, Yi Hong, Baohong Yuan, Jamal Zweit

Bioengineering Faculty Publications - Archive

Simultaneous imaging of multiple targets (SIMT) in opaque biological tissues is an important goal for molecular imaging in the future. Multi-color fluorescence imaging in deep tissues is a promising technology to reach this goal. In this work, we developed a dual-modality imaging system by combining our recently developed ultrasound-switchable fluorescence (USF) imaging technology with the conventional ultrasound (US) B-mode imaging. This dual-modality system can simultaneously image tissue acoustic structure information and multi-color fluorophores in centimeter-deep tissue with comparable spatial resolutions. To conduct USF imaging on the same plane (i.e., x-z plane) as US imaging, we adopted two 90 -crossed ultrasound …

Heat And Water Transport In Soils And Across The Soil-Atmosphere Interface: 1. Theory And Different Model Concepts, Jan Vanderborght, Thomas Fetzer, Klaus Mosthaf, Kathleen M. Smits, Rainer Helmig

Civil Engineering Faculty Publications - Archive

Evaporation is an important component of the soil water balance. It is composed of water flow and transport processes in a porous medium that are coupled with heat fluxes and free air flow. This work provides a comprehensive review of model concepts used in different research fields to describe evaporation. Concepts range from nonisothermal two-phase flow, two-component transport in the porous medium that is coupled with one-phase flow, two-component transport in the free air flow to isothermal liquid water flow in the porous medium with upper boundary conditions defined by a potential evaporation flux when available energy and transfer to …

Heat And Water Transport In Soils And Across The Soil-Atmosphere Interface: 2. Numerical Analysis, Jan Vanderborght, Thomas Fetzer, Klaus Mosthaf, Kathleen M. Smits, Rainer Helmig

Civil Engineering Faculty Publications - Archive

In an accompanying paper, we presented an overview of a wide variety of modeling concepts, varying in complexity, used to describe evaporation from soil. Using theoretical analyses, we explained the simplifications and parameterizations in the different approaches. In this paper, we numerically evaluate the consequences of these simplifications and parameterizations. Two sets of simulations were performed. The first set investigates lateral variations in vertical fluxes, which emerge from both homogeneous and heterogeneous porous media, and their importance to capturing evaporation behavior. When evaporation decreases from parts of the heterogeneous soil surface, lateral flow and transport processes in the free flow …

Lung Protection By Inhalation Of Exogenous Solubilized Extracellular Matrix, Jinglei Wu, Priya Ravikumar, Kytai Truong Nguyen, Connie C.W. Hsia, Yi Hong

Bioengineering Faculty Publications - Archive

Decellularized extracellular matrix (ECM) contains complex tissue-specific components that work in concert to promote tissue repair and constructive remodeling and has been used experimentally and clinically to accelerate epithelial wound repair, leading us to hypothesize that lung-derived ECM could mitigate acute lung injury. To explore the therapeutic potential of ECM for noninvasive delivery to the lung, we decellularized and solubilized porcine lung ECM, then characterized the composition, concentration, particle size and stability of the preparation. The ECM preparation at 3.2 mg/mL with average particle size <3 μm was tested in vitro on human A549 lung epithelial cells exposed to 95% O2 for 24 hours, and in vivo by tracheal instillation or nebulization into the lungs of rats exposed intermittently or continuously to 90% O2 for a cumulative 72 hours. Our results showed that the preparation was enriched in collagen, reduced in glycosaminoglycans, and contained various bioactive molecules. Particle size was concentration-dependent. Compared to the respective controls treated with cell culture medium in vitro or saline in vivo, ECM inhalation normalized cell survival and alveolar morphology, and reduced hyperoxia-induced apoptosis and oxidative damage. This proof-of-concept study established the methodology, feasibility and therapeutic potential of exogenous solubilized ECM for pulmonary cytoprotection, possibly as an adjunct or potentiator of conventional therapy.

A Learning Style Comparison Between Synchronous Online And Face-To-Face Engineering Graphics Instruction, Wade H. Goodridge, Oenardi Lawanto, Harry B. Santoso

Engineering Education Faculty Publications

The implementation of a successful engineering program to a synchronous online curriculum is subject to many impacting factors. One such factor, that has not seen much investigation, concerns learning styles. Student learning styles may have a dramatic influence on the success of a synchronous online deliverable engineering graphics curriculum. The immediate objective of this research was to look at the effectiveness of teaching Engineering Graphics with a synchronous online delivery method and to compare it to a more traditional face-to-face delivery method. Using Kolb’s learning style inventory, student learning styles in both educational settings were investigated and analyzed to discover …

When Machines Decide: Justice.Exe Learning Modules, Praxis Lab Team

Law School Historical Documents

Learning modules for the Praxis Lab Honors Course

Hymod Matlab Code, Mohammadhossein Alipour

Streamflow Prediction under Extreme Data-scarcity

No abstract provided.

Quality Assessment Of Adhesive Bond Based On Dielectric Properties, Muthu Ram Prabhu Elenchezhian, Vamsee Vadlamudi, Priyanshu Kumar Banerjee, Chaitanya Dave, Anik Mahmood, Rassel Raihan

Institute of Predictive Performance Methodologies (IPPM-UTARI)-Archive

Composite materials are widely used in Aerospace, Marine and Automotive structures to reduce weight and increase performance. Adhesive bonding improves the stress distribution between the composite materials / dissimilar materials and ensures a lighter structure than conventional fastener joints. But still there is not much research on the Non-Destructive strength estimation and life prediction, or the damage prognosis of the adhesive bond. One of the main problems when using adhesive bonding is a "kissing bond" which is a weak adhesion bond alternatively called zero volume disbond. Typically, convectional non-destructive methods cannot detect this kissing bond. Broadband Dielectric Spectroscopy, BbDS, is …

Implementing Software Lab At Hackathons, Istvan Gates

Williams Honors College, Honors Research Projects

Hackathons are events where groups of college students have 24 hours to build up a any project, using Computer Science and Electrical Engineering skillsets. These events are typically hosted on college campuses, and attract over 200 students per event. Each student brings 2 devices - their phone, and their laptop. That means that 400 devices are connected to a University venue's Internet network, commonly overloading it. Software Lab alleviates this overloading by providing an abstracted NAS node network for events. Software Lab guarantees speeds of at least 100 mbits/s, and provides a 8-10x improvement on download speeds over the common …

Novel Mechanisms Underlying Warm-Up And Percussion Myotonia In Myotonia Congenita, Kevin Richard Nnovak

Browse all Theses and Dissertations

Patients with myotonia congenita have muscle hyperexcitability due to loss-of-function mutations in the ClC-1 chloride channel in skeletal muscle, which causes spontaneous firing of muscle action potentials (myotonia), producing muscle stiffness. Triggers for myotonia can occur voluntarily at the neuromuscular junction or involuntarily by striking the muscle with a reflex hammer (percussion myotonia). In patients, muscle stiffness lessens with exercise, a change known as the warm-up phenomenon. Our goal was to identify the mechanism underlying warm-up and percussion myotonia and to use this information to guide development of novel therapies. To determine these underlying mechanisms, we used a drug to …

Robostock: Autonomous Inventory Tracking, Drew Christian Balthazor

Computer Engineering

No abstract provided.

Automated Voxel Classification Used With Atlas-Guided Diffuse Optical Tomography For Assessment Of Functional Brain Networks In Young And Older Adults, Lin Li, Mary Cazzell, Olajide Babawale, Hanli Liu

Bioengineering Faculty Publications - Archive

No abstract provided.

Heat Transfer In Unsaturated Soil With Application To Borehole Thermal Energy Storage, Ali Moradi, Kathleen M. Smits, Ning Lu, John S. Mccartney

Civil Engineering Faculty Publications - Archive

In this study, we numerically and experimentally evaluated heat transfer in soils under unsaturated conditions in the context of simulating a laboratory-scale, three-dimensional soil-borehole thermal energy storage (SBTES) system. Most previous studies assumed that soil thermal and hydraulic properties are constant and that heat transfer in soil occurs only in the form of conduction, neglecting convective and latent heat transfer. In addition, there is a lack of data from controlled experiments to validate multiphase numerical models that can be used to better study SBTES systems installed in the vadose zone. The goal of this study was to evaluate the significance …

Fall 2016 - Volume 41, Number 1, Full Issue

The Professional Constructor

No abstract provided.

University Of New Mexico Bioalgal Energy, Photosynthesis Rates Of Poplar Plants - Measurements With Tdl Machine (Enriched Co2 - Enriched-Exposed - Tray 10 - Play 3 - 2016/06/15), David Hanson

Energize New Mexico (NSF EPSCoR Track 1 IV)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment.

University Of New Mexico Bioalgal Energy, Photosynthesis Rates Of Poplar Plants - Measurements With Tdl Machine (Enriched Co2 - Enriched-Exposed - Tray 1/2 - Play 3 - 2016/06/12), David Hanson

Energize New Mexico (NSF EPSCoR Track 1 IV)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment.

University Of New Mexico Bioalgal Energy, Photosynthesis Rates Of Poplar Plants - Measurements With Tdl Machine (Enriched Co2 - Enriched-Exposed - Tray 1 - Play 2 - 2016/06/07), David Hanson

Energize New Mexico (NSF EPSCoR Track 1 IV)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment.

University Of New Mexico Bioalgal Energy, Photosynthesis Rates Of Poplar Plants - Measurements With Tdl Machine (Enriched Co2 - Enriched-Exposed - Tray 1/3 - Play 1 - 2016/06/08), David Hanson

Energize New Mexico (NSF EPSCoR Track 1 IV)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment.

University Of New Mexico Bioalgal Energy, Photosynthesis Rates Of Poplar Plants - Measurements With Tdl Machine (Enriched Co2 - Enriched-Exposed - Tray 10 - Play 2 - 2016/06/14), David Hanson

Energize New Mexico (NSF EPSCoR Track 1 IV)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment.

University Of New Mexico Bioalgal Energy, Photosynthesis Rates Of Poplar Plants - Measurements With Tdl Machine (Enriched Co2 - Enriched-Exposed - Tray 1/3 - Play 2 - 2016/06/08), David Hanson

Energize New Mexico (NSF EPSCoR Track 1 IV)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment.

University Of New Mexico Bioalgal Energy, Photosynthesis Rates Of Poplar Plants - Measurements With Tdl Machine (Enriched Co2 - Enriched-Exposed - Tray 10 - Play 1 - 2016/06/10), David Hanson

Energize New Mexico (NSF EPSCoR Track 1 IV)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment.

University Of New Mexico Bioalgal Energy, Photosynthesis Rates Of Poplar Plants - Measurements With Tdl Machine (Enriched Co2 - Enriched-Exposed - Tray 1/2 - Play 3 - 2016/06/12), David Hanson

Energize New Mexico (NSF EPSCoR Track 1 IV)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment.

University Of New Mexico Bioalgal Energy, Photosynthesis Rates Of Poplar Plants - Measurements With Tdl Machine (Enriched Co2 - Enriched-Exposed - Tray 1 - Play 1 - 2016/06/07), David Hanson

Energize New Mexico (NSF EPSCoR Track 1 IV)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment.

University Of New Mexico Bioalgal Energy, Photosynthesis Rates Of Poplar Plants - Measurements With Tdl Machine (Enriched Co2 - Enriched-Exposed - Tray 12 - Play 2 - 2016/06/15), David Hanson

Energize New Mexico (NSF EPSCoR Track 1 IV)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment. To observe the difference in the assimilation of both isotopes of Carbon Dioxide.

University Of New Mexico Bioalgal Energy, Photosynthesis Rates Of Poplar Plants - Measurements With Tdl Machine (Enriched Co2 - Enriched-Exposed - Tray 12 - Play 3 - 2016/06/16), David Hanson

Energize New Mexico (NSF EPSCoR Track 1 IV)

Collect the photosynthetic rate of poplar plants under different isotopic compositions of CO2 with the TDL machine and with the Licor equipment. To observe the difference in the assimilation of both isotopes of Carbon Dioxide.