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• #### Gold/QDs-Embedded-Ceria Nanoparticles: Optical Fluorescence Enhancement as a Quenching Sensor ﻿

(MDPI, 2020-02-12)
This work focuses on improving the fluorescence intensity of cerium oxide (ceria) nanoparticles (NPs) through added plasmonic nanostructures. Ceria nanoparticles are fluorescent nanostructures which can emit visible ...
• #### In-Situ Gold–Ceria Nanoparticles: Superior Optical Fluorescence Quenching Sensor for Dissolved Oxygen ﻿

(MDPI, 2020-02-12)
Cerium oxide (ceria) nanoparticles (NPs) have been proved to be an efficient optical fluorescent material through generating visible emission (~530 nm) under violet excitation. This feature allowed ceria NPs to be used as ...
• #### Dynamic Intermode Beat Frequency Control of an Optical Frequency Comb Single Section Quantum Dot Laser by Dual-Cavity Optical Self-Injection ﻿

(2019-10)
Dynamic frequency tuning of the 40.67 GHz intermode beat frequency of a 1255 nm emitting 1 mm long monolithic self mode-locked single section optical frequency comb InAs/InGaAs quantum dot laser across 70 MHz is experimentally ...
• #### Real-time prediction of patient immune cell modulation during irreversible electroporation therapy ﻿

(2019-11-28)
Immunotherapies have demonstrated limited efficacy in pancreatic ductal adenocarcinoma (PDAC) patients despite their success in treating other tumor types. This limitation is largely due to the relatively immunosuppressive ...
• #### Transmission Lines Positive Sequence Parameters Estimation and Instrument Transformers Calibration Based on PMU Measurement Error Model ﻿

(IEEE, 2019-10-17)
Phasor Measurement Unit measurement data have been widely used in nowadays power system applications both in steady state and dynamic analysis. The performance of these applications running in utilities' energy management ...
• #### Non Data-Aided SNR Estimation for UAV OFDM Systems ﻿

(MDPI, 2020-01-10)
Signal-to-noise ratio (SNR) estimation is essential in the unmanned aerial vehicle (UAV) orthogonal frequency division multiplexing (OFDM) system for getting accurate channel estimation. In this paper, we propose a novel ...
• #### Passive Detection of Moving Aerial Target Based on Multiple Collaborative GPS Satellites ﻿

(MDPI, 2020-01-12)
Passive localization is an important part of intelligent surveillance in security and emergency applications. Nowadays, Global Navigation Satellite Systems (GNSSs) have been widely deployed. As a result, the satellite ...
• #### Performance Degradation of Nanofilament Switching Due to Joule Heat Dissipation ﻿

(MDPI, 2020-01-09)
When a memory cell of a Resistive Random Access Memory (ReRAM) crossbar array is switched repeatedly, a considerable amount of Joule heat is dissipated in the cell, and the heat may spread to neighboring cells that share ...
• #### Studies In Spatial Aural Perception: Establishing Foundations For Immersive Sonification ﻿

(Georgia Institute of Technology, 2019-06)
The Spatial Audio Data Immersive Experience (SADIE) project aims to identify new foundational relationships pertaining to human spatial aural perception, and to validate existing relationships. Our infrastructure consists ...
• #### Reimagining Human Capacity For Location-Aware Aural Pattern Recognition: A Case For Immersive Exocentric Sonification ﻿

(Georgia Institute of Technology, 2018-06)
The following paper presents a cross-disciplinary snapshot of 21st century research in sonification and leverages the review to identify a new immersive exocentric approach to studying human capacity to perceive spatial ...
• #### Dynamic Carbon-Constrained EPEC Model for Strategic Generation Investment Incentives with the Aim of Reducing CO2 Emissions ﻿

(MDPI, 2019-12-17)
According to the European Union Emissions Trading Scheme, energy system planners are encouraged to consider the effects of greenhouse gases such as $CO ...$
• #### Scalable Fabrication of Highly Flexible Porous Polymer-Based Capacitive Humidity Sensor Using Convergence Fiber Drawing ﻿

(MDPI, 2019-12-02)
In this study, we fabricated a highly flexible fiber-based capacitive humidity sensor using a scalable convergence fiber drawing approach. The sensor’s sensing layer is made of porous polyetherimide (PEI) with its ...
• #### Satellite Formation Flight Simulation Using Multi-Constellation GNSS and Applications to Ionospheric Remote Sensing ﻿

(MDPI, 2019-11-30)
The Virginia Tech Formation Flying Testbed (VTFFTB) is a global navigation satellite system (GNSS)-based hardware-in-the-loop (HIL) simulation testbed for spacecraft formation flying with ionospheric remote sensing ...
• #### Partial Discharge Analysis under High-Frequency, Fast-Rise Square Wave Voltages in Silicone Gel: A Modeling Approach ﻿

(MDPI, 2019-11-28)
Wide bandgap (WBG) power modules able to tolerate high voltages and currents are the most promising solution to reduce the size and weight of the power management and conversion systems. These systems are envisioned to be ...
• #### Novel Generalized Three-Step Phase-Shifting Interferometry with a Slight-Tilt Reference ﻿

(MDPI, 2019-11-21)
A convenient and powerful method is proposed and presented to find the unknown phase shifts in three-step generalized phase-shifting interferometry. A slight-tilt reference of 0.1 degrees is employed. As a result, the ...
• #### Persistence of upper stratospheric wintertime tracer variability into the Arctic spring and summer ﻿

(European Geophysical Union, 2016)
Using data from the Aeronomy of Ice in the Mesosphere (AIM) and Aura satellites, we have categorized the interannual variability of winter- and springtime upper stratospheric methane (CH4). We further show the effects of ...
• #### On Data Center Demand Response: A Cloud Federation Approach ﻿

(IEEE, 2019)
The significantly high energy consumption of data centers constitutes a major load on the smart power grid. Data center demand response is a promising solution to incentivize the cloud providers to adapt their consumption ...
• #### Resiliency of Distribution Systems Incorporating Asynchronous Information for System Restoration ﻿

(IEEE, 2019)
Resiliency of distribution systems under extreme operating conditions is critical, especially when the utility is not available. With the large-scale deployment of distributed resources, it becomes possible to restore ...
• #### Missing data estimation in fMRI dynamic causal modeling ﻿

(Frontiers, 2014-07-04)
Dynamic Causal Modeling (DCM) can be used to quantify cognitive function in individuals as effective connectivity. However, ambiguity among subjects in the number and location of discernible active regions prevents all ...
• #### Design of Introspective Circuits for Analysis of Cell-Level Dis-orientation in Self-Assembled Cellular Systems ﻿

(Frontiers, 2016-02-03)
This paper discusses a novel approach to managing complexity in a large self-assembled system, by utilizing the self-assembling components themselves to address the complexity. A particular challenge is discussed namely ...