Search Results - "Arzhantsev, Sergey"

Rapid Limit Tests for Metal Impurities in Pharmaceutical Materials by X-ray Fluorescence Spectroscopy Using Wavelet Transform Filtering by Arzhantsev, Sergey, Li, Xiang, Kauffman, John F

“…We introduce a new method for analysis of X-ray fluorescence (XRF) spectra based on continuous wavelet transform filters, and the method is applied to the…”
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Preconditions of seeds' production enhancement: a case study by Nechaev, Vasiliy, Paptsov, Andrey, Mikhailushkin, Pavel Valerievich, Arzhantsev, Sergey

“…The article reveals the current state of selection and seed production of grain crops in the Russian Federation. There were considered the barriers of the…”
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Deep-Ultraviolet (UV) Resonance Raman Spectroscopy as a Tool for Quality Control of Formulated Therapeutic Proteins by Arzhantsev, Sergey, Vilker, Vincent, Kauffman, John

“…A deep-ultraviolet (UV) Raman spectrometer with excitation source tunable from 193 to 210 nm has been built and characterized. The dispersion of the…”
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Secondary structure assessment of formulated bevacizumab in the presence of SDS by deep ultraviolet resonance Raman (DUVRR) spectroscopy by Qiu, Chen, Arzhantsev, Sergey

“…A deep-ultraviolet resonance Raman (DUVRR) spectroscopic method has been used to study the secondary structural changes of a therapeutic monoclonal antibody…”
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Classification of Ciprofloxacin Tablets Using Near-Infrared Spectroscopy and Chemometric Modeling by Fuenffinger, Nathan, Arzhantsev, Sergey, Gryniewicz-Ruzicka, Connie

“…Exposure to unknown, mislabeled, and counterfeit pharmaceutical products is a worldwide problem that presents a serious risk to public health. Near-infrared…”
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Deep-Ultraviolet Resonance Raman (DUVRR) Spectroscopy of Therapeutic Monoclonal Antibodies Subjected to Thermal Stress by Bueno, Justin, Long, Dianna, Kauffman, John F, Arzhantsev, Sergey

“…The structural assessment of Rituximab, an IgG1 mAb, was investigated with deep-ultraviolet resonance Raman (DUVRR) spectroscopy. DUVRR spectroscopy was used…”
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Selective melamine detection in multiple sample matrices with a portable Raman instrument using surface enhanced Raman spectroscopy-active gold nanoparticles by Mecker, Laura C., Tyner, Katherine M., Kauffman, John F., Arzhantsev, Sergey, Mans, Daniel J., Gryniewicz-Ruzicka, Connie M.

“…[Display omitted] ► Initial work for field deployable screening of melamine in multiple matrices. ► Without extensive sample preparation, colorimetric…”
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Libraries, classifiers, and quantifiers: A comparison of chemometric methods for the analysis of Raman spectra of contaminated pharmaceutical materials by Gryniewicz-Ruzicka, Connie M., Rodriguez, Jason D., Arzhantsev, Sergey, Buhse, Lucinda F., Kauffman, John F.

“…► Raman method used to screen sorbitol for the presence of low level adulterants. ► Compared a Raman based library spectral correlation method to chemometric…”
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Multivariate Calibration and Instrument Standardization for the Rapid Detection of Diethylene Glycol in Glycerin by Raman Spectroscopy by Gryniewicz-Ruzicka, Connie M., Arzhantsev, Sergey, Pelster, Lindsey N., Westenberger, Benjamin J., Buhse, Lucinda F., Kauffman, John F.

“…The transfer of a multivariate calibration model for quantitative determination of diethylene glycol (DEG) contaminant in pharmaceutical-grade glycerin between…”
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Detection of diethylene glycol adulteration in propylene glycol—Method validation through a multi-instrument collaborative study by Li, Xiang, Arzhantsev, Sergey, Kauffman, John F., Spencer, John A.

“…Four portable NIR instruments from the same manufacturer that were nominally identical were programmed with a PLS model for the detection of diethylene glycol…”
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