Search Results - "Krock, Kevin"

Lower Cutoffs for LC-MS/MS Urine Drug Testing Indicates Better Patient Compliance by Krock, Kevin

“…Background: Urine drug testing is used by health care providers to determine a patient’s compliance to their prescribed regimen and to detect non-prescribed…”
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Estimates of Drug Metabolism Using Drug Excretion Concentrations by Cua, Agnes, Krock, Kevin, Thomas, Richard, Pesce, Amadeo

“…We propose that quantitative urine drug concentrations from LC-MS/MS measurements can be used to estimate zero and first order pharmacokinetics of the drugs…”
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Designer drugs by Pesce, Amadeo J, Krock, Kevin

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Observations on the effects of buprenorphine and methadone on illicit drug use by Pesce, Amadeo J, Tran, Keith, Krock, Kevin, Cua, Agnes, Thomas, Richard

“…To determine if the agonistic effects of buprenorphine and methadone affect drug use. Quantitative examination of urine drug concentrations of patients treated…”
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Lower Cutoffs for LC-MS/MS Urine Drug Testing Indicates Better Patient Compliance by Krock, Kevin, Pesce, Amadeo, Ritz, Dennis, Thomas, Richard, Cua, Agnes, Rogers, Ryan, Lipnick, Phil, Kilbourn, Kristen

“…Urine drug testing is used by health care providers to determine a patient's compliance to their prescribed regimen and to detect non-prescribed medications…”
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Correlation of Fentanyl Positive Drug Screens with Other Medications in Patients from Pain, Rehabilitation and Behavioral Programs by Krock, Kevin, Nickley, Joyce, Tran, Keith, Greg Ackerman, Richard Thomas, Pesce, Amadeo

“…Fentanyl has been associated with many drug overdose deaths; its presence in many street drugs has been postulated to be increasing. We examined 1.3 million…”
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Reduction of Drug-Drug Interaction Risk; CDC Guidelines Influence on Opiate Benzodiazepine Prescribing by Pesce, Amadeo, Thomas, Richard, Krock, Kevin, Tran, Keith, Ackerman, Gregory, Nickley, Joyce

“…We examined the results of 1.3 million drug tests performed on patients being monitored for compliance with pain medications and substance abuse rehabilitation…”
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A sensitive assay for urinary cocaine metabolite benzoylecgonine shows more positive results and longer half‐lives than those using traditional cut‐offs by Nickley, Joyce, Pesce, Amadeo J., Krock, Kevin

“…Cocaine is a common drug of abuse. To detect its use, a screening detection concentration for the cocaine metabolite benzoylecgonine is commonly set at…”
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Simultaneous determination of Maillard reaction impurities in memantine tablets using HPLC with charged aerosol detector by Rystov, Lidia, Chadwick, Richard, Krock, Kevin, Wang, Tao

“…A gradient high performance liquid chromatographic (HPLC) method using charged aerosol detection (CAD) was developed for the simultaneous determination of…”
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Multidimensional gas chromatography coupled with infrared and mass spectrometry for analysis of eucalyptus essential oils by Krock, Kevin A, Ragunathan, N, Wilkins, Charles L

“…A study evaluates a parallel cryogenic trapping multidimensional gas chromatography/Fourier transform infrared spectrometry/mass spectrometry combination for…”
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Multispectral detection for gas chromatography by Ragunathan, N, Krock, Kevin A, Klawun, Christoph, Sasaki, Tania A, Wilkins, Charles L

“…Over the past several years, capillary gas chromatography (GC) with Fourier transform infrared (FT-IR) and/or mass spectral (MS) detection has become the…”
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Multidimensional gas chromatography with parallel cryogenic traps by Ragunathan, N, Krock, Kevin A, Wilkins, Charles L

“…Implementation of a multi-port valve multidimensional gas chromatography system with two parallel cryogenic traps interposed between a first stage gas…”
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Multidimensional Fast Gas Chromatography with Matrix Isolation Infrared Detection by Ragunathan, N, Sasaki, Tania A, Krock, Kevin A, Wilkins, Charles L

“…A rapid heartcut multidimensional gas chromatography/Fourier transform-infrared method for separating complex mixtures with a cryogenic trap/reinjector between…”
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Investigation of Two Potential Treatments for Frontotemporal Dementias by Mass Spectrometry by Krock, Kevin M

“…Intraneuronal tangles of the microtubule associated protein tau are a hallmark of frontotemporal dementia and other tauopathies. Tau stabilizes tubulin…”
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Gas chromatography with spectroscopic detectors by Ragunathan, N., Krock, Kevin A., Klawun, Christoph, Sasaki, Tania A., Wilkins, Charles L.

“…In recent years, capillary gas chromatography (GC) with Fourier Transform Infrared (FT-IR) and/or mass spectral (MS) detection has become a primary analytical…”
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Qualitative analysis of contaminated environmental extracts by multidimensional gas chromatography with infrared and mass spectral detection (MDGC-IR-MS) by Krock, Kevin A., Wilkins, Charles L.

“…The use of capillary gas chromatography in conjunction with spectral detection has been utilized for several years for both quantitative and qualitative…”
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Novel multidimensional gas chromatographic techniques with infrared and mass spectral detection by Krock, Kevin Andrew

“…Complete qualitative and quantitative analysis of complex mixtures is a long-standing problem. One issue which it is necessary to address is the desirability…”
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