Non-conjugated electrochromic supercapacitors with atom-economic arylamine-based AB 2-polyamides

YJ Shao, YJ Cho, HL Li, CC Hu, GS Liou - Journal of Materials …, 2024 - pubs.rsc.org
A highly atom-economic AB2-type hyperbranched polyamide (HPA) derived from arylamine
monomers was judiciously designed and prepared. This electroactive HPA was further end …

Automated Calibration for Rapid Optical Spectroscopy Sensor Development for Online Monitoring

HB Andrews, LR Sadergaski - ACS sensors, 2024 - ACS Publications
An automated platform has been developed to assist researchers in the rapid development
of optical spectroscopy sensors to quantify species from spectral data. This platform …

Comparing Sensor Fusion and Multimodal Chemometric Models for Monitoring U (VI) in Complex Environments Representative of Irradiated Nuclear Fuel

LR Sadergaski, HB Andrews, BA Wilson - Analytical Chemistry, 2024 - ACS Publications
Optical sensors and chemometric models were leveraged for the quantification of uranium
(VI)(0–100 μg mL–1), europium (0–150 μg mL–1), samarium (0–250 μg mL–1) …

Quantifying neptunium oxidation states in nitric acid through spectroelectrochemistry and chemometrics

LR Sadergaski, HB Andrews, SE Gilson… - Frontiers in Nuclear …, 2023 - frontiersin.org
Controlled-potential in situ thin-layer spectropotentiometry was leveraged to generate
visible/near-infrared (VIS/NIR) absorption spectral data sets for the development of …

Leveraging design of experiments to build chemometric models for the quantification of uranium (VI) and HNO3 by Raman spectroscopy

LR Sadergaski, JD Einkauf, LH Delmau… - Frontiers in Nuclear …, 2024 - frontiersin.org
Partial least squares regression (PLSR) and support vector regression (SVR) models were
optimized for the quantification of U (VI)(10–320 g L− 1) and HNO3 (0.6–6 M) by Raman …

Remote Sensing of Nitric Acid and Temperature via Design of Experiments, Chemometrics, and Raman Spectroscopy

DV Russell, LR Sadergaski, JD Einkauf, LH Delmau… - ACS …, 2024 - ACS Publications
This study presents an effective method for the quantification of nitric acid (0.1–9 M) and the
temperature (20–60° C) through optimal experimental design, chemometrics, and Raman …

Hierarchical Modeling to Enhance Spectrophotometry Measurements—Overcoming Dynamic Range Limitations for Remote Monitoring of Neptunium

HB Andrews, LR Sadergaski - Chemosensors, 2023 - mdpi.com
A robust hierarchical model has been demonstrated for monitoring a wide range of
neptunium concentrations (0.75–890 mM) and varying temperatures (10–80° C) using …

Leveraging Calibration Transfer Techniques for Remote Monitoring of Samarium and Europium in LiCl Using Laser-Induced Florescence Spectroscopy for …

HB Andrews, J Moon… - Industrial & Engineering …, 2024 - ACS Publications
Radioisotope production relies on complex chemical processes that must be performed in
radiological hot cells or glove boxes because of the radioactive and otherwise hazardous …

Insights into Tetravalent Np Speciation in HNO3 through Spectroelectrochemistry and Multivariate Analysis

SE Gilson, HB Andrews, LR Sadergaski… - ACS omega, 2024 - ACS Publications
In situ optical spectroscopy, spectropotentiometry, and multivariate analysis were applied to
the Np (IV) nitrate system to better understand speciation and quantify HNO3 concentration …

Novel Calibration Approach for Monitoring Aerosol Hydrogen Isotopes Using Laser-Induced Breakdown Spectroscopy for Molten Salt Reactor Off-Gas Streams

HB Andrews, J McFarlane - Sensors, 2023 - mdpi.com
Online monitoring is a key challenge for the continued development of molten salt reactor
(MSR) technology. Laser-induced breakdown spectroscopy (LIBS) has previously been …