A5069490410- Biosensors and Analytical Detection
- Laser-Plasma Interactions and Diagnostics
- Gold and Silver Nanoparticles Synthesis and Applications
- Energetic Materials and Combustion
- Combustion and Detonation Processes
- Recycling and Waste Management Techniques
- Cryptographic Implementations and Security
- Advanced Sensor and Energy Harvesting Materials
- Bluetooth and Wireless Communication Technologies
- Copper-based nanomaterials and applications
- High-pressure geophysics and materials
- Graphene research and applications
- Spectroscopy and Laser Applications
- Spectroscopy Techniques in Biomedical and Chemical Research
- Laser-induced spectroscopy and plasma
- Radiation Detection and Scintillator Technologies
- Neuroscience and Neural Engineering
- Ga2O3 and related materials
- Gas Sensing Nanomaterials and Sensors
- Luminescence Properties of Advanced Materials
- Economic and Financial Impacts of Cancer
- Nuclear Physics and Applications
- Advanced Nanomaterials in Catalysis
- COVID-19 and healthcare impacts
- Electrochemical sensors and biosensors
Vanderbilt University
2017-2024
Centre for Process Innovation
2023
Nashville Oncology Associates
2020
Lawrence Livermore National Laboratory
2016-2020
Fisk University
2016
We report details of an experimental platform implemented at the National Ignition Facility to obtain in situ powder diffraction data from solids dynamically compressed extreme pressures. Thin samples are sandwiched between tamper layers and ramp using a gradual increase drive-laser irradiance. Pressure history sample is determined high-precision velocimetry measurements. Up two independently timed pulses x rays produced or near time peak pressure by laser illumination thin metal foils. The...
<h3>Importance</h3> Androgen deprivation therapy (ADT) has been theorized to decrease the severity of SARS-CoV-2 infection in patients with prostate cancer owing a potential tissue-based expression coreceptor transmembrane protease, serine 2 (TMPRSS2). <h3>Objective</h3> To examine whether ADT is associated decreased rate 30-day mortality from among cancer. <h3>Design, Setting, and Participants</h3> This cohort study analyzed patient data recorded COVID-19 Cancer Consortium registry between...
Surface‐enhanced Raman spectroscopy (SERS) has potential for unique clinical, environmental, and military applications, among many others, but it is limited by a rapid decrease in signal with distance from the sensing surface. For this reason, much study of SERS‐based biosensing involves chemical or physical adsorption analytes to an active Adsorption, however, limits types that can be detected detection sensitivity. The three‐dimensional closely packed architecture zinc oxide (ZnO)...
Conventional scintillation detectors are typically single crystals of heavy-metal oxides or halides doped with rare-earth ions that record the recombination electron-hole pairs by photon emission in visible to ultraviolet. However, light yields low enough require photomultiplier detection attendant instrumental complications. Here we report initial studies gamma ray zinc oxide (ZnO) nanowires, grown vapor-solid deposition. The nanowires grow along c-axis a wurtzite structure; they 80 nm...
We demonstrate a method to fabricate flexible field effect transistors based on mask-free inkjet printed silver micro-electrodes and wet-transfer of chemical vapor deposition grown graphene. The process is simple, low-cost repeatable. transistor shows field-effect hole mobility 33 cm2/Vs on/off ratio 2.1 with high drain current 54 mA, which the highest reported in air at room temperature.
Surface enhanced Raman spectroscopy enables robust, rapid analysis on highly dilute samples. To be useful, the technique needs sensing substrates that will enhance intrinsically weak signals of trace analytes. In particular, three-dimensional such as zinc oxide nanowires decorated with electron-beam deposited silver nanoparticles are easily fabricated and serve dual need structural stability detection sensitivity. However, little has been done to optimize electron beam-deposited for maximal...
A multi-wavelength, high contrast contact radiography system has been developed to characterize density variations in ultra-low aerogel foams. These foams are used generate a ramped pressure drive materials strength experiments at the National Ignition Facility and require precision characterization order reduce errors measurements. The was carbon silicon based aerogels ∼10.3% accuracy with ∼30 μm spatial resolution. description, performance, measurement results collected using 17.8 mg/cc...
Biodegradable transient electronics, devices which easily breakdown to safe constituent parts at their end of life, are an important emerging research direction for tackling electronic waste, as well enabling new applications such wearable health monitors can be washed off the body use. Pullulan is a widely used edible substrate naturally biodegrades and has previously been with Silver tracks creating electronics. However, not generally biodegradable. This paper demonstrates creation Zinc...