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Urine Drug screen

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https://www.readbyqxmd.com/read/28509533/a-low-cost-label-free-biosensing-bimetallic-cellulose-strip-with-silar-synthesized-silver-core-gold-shell-nanoparticle-structures
#1
Wansun Kim, Jae-Chul Lee, Gi-Ja Lee, Hun-Kuk Park, Anbok Lee, Samjin Choi
We introduce a label-free biosensing cellulose strip sensor with surface-enhanced Raman spectroscopy (SERS)-encoded bimetallic core@shell nanoparticles. Bimetallic nanoparticles consisting of a synthesis of core Ag nanoparticles (AgNP) and a synthesis of shell gold nanoparticles (AuNPs) were fabricated on a cellulose substrate by two-stage successive ionic layer absorption and reaction (SILAR) techniques. The bimetallic nanoparticle-enhanced localized surface plasmon resonance (LSPR) effects were theoretically verified by computational calculations with finite element models of optimized bimetallic nanoparticles interacting with an incident laser source...
May 16, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28495417/false-positive-ketamine-urine-immunoassay-screen-result-induced-by-quetiapine-a-case-report
#2
Chun-Hao Liu, Hsin-Yao Wang, Shin-Heng Shen, Yu-Wen Chiu
Ketamine immunoassay urine drug screen (UDS) is commonly used in Taiwan. However, there was limited report about possible drug which may cause false positive results in ketamine screen test. We report two cases who used quetiapine showed positive in ketamine urine immunoassay screen initially, and found to be false positive in confirmation test. Clinicians should be aware of the false positive result of ketamine UDS caused by currently used medication.
May 8, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28493314/use-of-lc-hrms-in-full-scan-xic-mode-for-multi-analyte-urine-drug-testing-a-step-towards-a-black-box-solution
#3
Niclas Nikolai Stephanson, Patrick Signell, Anders Helander, Olof Beck
The influx of new psychoactive substances (NPS) has created a need for improved methods for drug testing in toxicology laboratories. The aim of this work was to design, validate and apply a multi-analyte liquid chromatography-high resolution mass spectrometry (LC-HRMS) method for screening of 148 target analytes belonging to the NPS class, plant alkaloids and new psychoactive therapeutic drugs. The analytical method used a five-fold dilution of urine with 9 deuterated internal standards and injection of 2 μL...
May 10, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28489464/results-of-a-randomized-controlled-pilot-trial-of-intravascular-renal-denervation-for-management-of-treatment-resistant-hypertension
#4
Lotte Jacobs, Alexandre Persu, Qi-Fang Huang, Jean-Philippe Lengelé, Lutgarde Thijs, Frank Hammer, Wen-Yi Yang, Zhen-Yu Zhang, Jean Renkin, Peter Sinnaeve, Fang-Fei Wei, Agnès Pasquet, Fadl Elmula M Fadl Elmula, Marc Carlier, Arif Elvan, Cora Wunder, Sverre E Kjeldsen, Stefan W Toennes, Stefan Janssens, Peter Verhamme, Jan A Staessen
OBJECTIVE: Previous trials of catheter-based renal-artery denervation (RDN) as treatment modality in resistant hypertension (rHT) generated unconvincing results. In the Investigator-Steered Project on Intravascular Denervation for Management of Treatment-Resistant Hypertension (INSPiRED; NCT01505010), we optimized selection and management of rHT patients. METHODS: With ethical clearance to randomize 18 patients, three Belgian hypertension centers screened 29 rHT patients on treatment with ≥3 drugs, of whom 17 after optimization of treatment (age <70 years; systolic/diastolic office blood pressure (BP) ≥ 140/90 mm Hg; 24-h BP ≥130/80 mm Hg; glomerular filtration rate [eGFR] ≥ 45 mL/min/1...
May 10, 2017: Blood Pressure
https://www.readbyqxmd.com/read/28488993/physician-guide-to-appropriate-opioid-prescribing-for-noncancer-pain
#5
Timothy Munzing
Prescription opioid use for relief of noncancer pain has risen dramatically in the last 15 years, contributing to a quadrupling of opioid overdoses and prescription opioid-related deaths. This crisis is resulting in heightened attention by health care professionals and organizations, law enforcement, and the government. In this article, I highlight key topics in the management of patients using opioids (or potentially needing opioids) in outpatient clinical practice; federal and state law enforcement actions regarding physicians' illegal prescribing of opioids; multimodal approaches to pain control; nonmedication management of pain; response strategies when suspecting a patient of diverting or misusing opioids; and warning signs for abuse or diversion...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28488989/spice-y-kidney-failure-a-case-report-and-systematic-review-of-acute-kidney-injury-attributable-to-the-use-of-synthetic-cannabis
#6
REVIEW
Ceyda Zarifi, Shuchi Vyas
INTRODUCTION: Spice is a synthetic cannabinoid that is readily available for purchase in smoke shops at relatively low cost. Spice is not detectable upon routine drug screening, making it an increasingly popular new street drug. CASE REPORT: A 21-year-old man presented with new-onset seizures. During the next 2 days, he developed uncontrollable hypertension, agitation, respiratory failure requiring intubation, pulmonary hypertension, and acute kidney injury (AKI) with a maximum blood urea nitrogen/creatinine level of 54/7...
2017: Permanente Journal
https://www.readbyqxmd.com/read/28477149/current-and-emerging-applications-of-droplet-digital-pcr-in-oncology
#7
REVIEW
Susana Olmedillas-López, Mariano García-Arranz, Damián García-Olmo
The clinical management of cancer has evolved in recent years towards more personalized strategies that require a comprehensive knowledge of the complex molecular features involved in tumor growth and evolution, and the development of drug resistance mechanisms leading to disease progression. Droplet digital PCR (ddPCR) has become one of the most accurate and reliable tools for the examination of genetic alterations in a wide variety of cancers because of its high sensitivity and specificity. ddPCR is currently being applied for absolute allele quantification, rare mutation detection, analysis of copy number variations, DNA methylation, and gene rearrangements in different kinds of clinical samples...
May 5, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28476279/medical-cannabis-use-among-patients-with-chronic-pain-in-an-interdisciplinary-pain-rehabilitation-program-characterization-and-treatment-outcomes
#8
Arya Shah, Julia Craner, Julie L Cunningham
INTRODUCTION: Cannabis is increasingly being used in the treatment of chronic pain. However, there is a lack of available research in the population of patients with chronic pain who are using cannabis. The current study examines clinical and treatment characteristics for patients who are admitted to a 3-week outpatient interdisciplinary chronic pain rehabilitation program. METHOD: Participants (N=48) included patients with a positive urine drug screen for 9-carboxy-tetrahydrocannabinol (THC(+); n=24) and a matched comparison sample of patients with a negative screen (THC(-); n=24)...
June 2017: Journal of Substance Abuse Treatment
https://www.readbyqxmd.com/read/28441975/seek-test-treat-substance-using-women-in-the-hiv-treatment-cascade-in-south-africa
#9
Wendee M Wechsberg, Charles van der Horst, Jacqueline Ndirangu, Irene A Doherty, Tracy Kline, Felicia A Browne, Jennifer M Belus, Robin Nance, William A Zule
BACKGROUND: Women in South Africa who use alcohol and other drugs face multiple barriers to HIV care. These barriers make it difficult for women to progress through each step in the HIV treatment cascade from diagnosis to treatment initiation and adherence. This paper examines correlates of HIV status, newly diagnosed HIV status, and use of antiretroviral therapy (ART). METHODS: Outreach workers recruited sexually active Black African women who used substances in Pretoria as part of a U...
April 26, 2017: Addiction Science & Clinical Practice
https://www.readbyqxmd.com/read/28429063/direct-fluorescence-anisotropy-assay-for-cocaine-using-tetramethylrhodamine-labeled-aptamer
#10
Yingxiong Liu, Qiang Zhao
Development of simple, sensitive, and rapid method for cocaine detection is important in medicine and drug abuse monitoring. Taking advantage of fluorescence anisotropy and aptamer, this study reports a direct fluorescence anisotropy (FA) assay for cocaine by employing an aptamer probe with tetramethylrhodamine (TMR) labeled on a specific position. The binding of cocaine and the aptamer causes a structure change of the TMR-labeled aptamer, leading to changes of the interaction between labeled TMR and adjacent G bases in aptamer sequence, so FA of TMR varies with increasing of cocaine...
April 20, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28427112/acute-encephalopathy-in-a-2-year-old-pot-bellied-pig-following-accidental-intoxication-with-clonazepam
#11
Emilie L Setlakwe, Amy L Johnson
OBJECTIVE: To describe a case of successful management of clonazepam toxicity causing encephalopathy in a pot-bellied pig. CASE SUMMARY: A 2-year-old female pot-bellied pig weighing 13.5 kg was presented for evaluation of clinical signs of acute encephalopathy. Based on the animal's history and clinical signs, a tentative diagnosis of benzodiazepine (BZP) intoxication was made. The results of a urinary drug screening test designed to detect illicit substances in human urine indicated benzodiazepine exposure...
May 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28426583/the-law-of-unintended-consequences-can-never-be-repealed-the-hazards-of-random-urine-drug-screening-of-anesthesia-providers
#12
Keith H Berge, Brian P McGlinch
No abstract text is available yet for this article.
May 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28417026/cardiovascular-complications-of-acute-amphetamine-abuse-cross-sectional-study
#13
Elham Bazmi, Farinaz Mousavi, Leila Giahchin, Tahmineh Mokhtari, Behnam Behnoush
OBJECTIVES: This study aimed to evaluate cardiovascular complications among patients who abuse amphetamines. METHODS: This cross-sectional study took place between April 2014 and April 2015 among 3,870 patients referred to the Toxicology Emergency Department of Baharlou Hospital, Tehran University of Medical Sciences, Tehran, Iran. Those with clinical signs of drug abuse and positive urine screening tests were included in the study, while cases of chronic abuse were excluded...
February 2017: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/28414664/gonococcal-endocarditis-the-gift-that-stops-giving-an-uncommon-presentation-of-a-common-disease
#14
G Olayemi, M Oferczak, A Elagizi, I El-Abbassi, M Eschete, J Crowe
INTRODUCTION: Gonorrhea is the 2nd most common sexually transmitted disease in the US with 800,000 cases of gonorrhea each year. Disseminated gonorrhea infection occurs in 0.5 percent - 3 percent of these patients and is more frequent in woman younger than 40 years of age. CASE: A 36 year old woman with a history of polysubstance abuse presented with 10 day history of feeling generally unwell. At presentation, vitals were remarkable for tachycardia and hypotension...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28393558/supraventricular-tachycardia-and-acute-confusion-following-ingestion-of-e-cigarette-fluid-containing-ab-fubinaca-and-adb-fubinaca-a-case-report-with-quantitative-analysis-of-serum-drug-concentrations
#15
Rex Pui Kin Lam, Magdalene Huen Yin Tang, Siu Chung Leung, Yeow Kuan Chong, Matthew Sik Hon Tsui, Tony Wing Lai Mak
BACKGROUND: AB-FUBINACA and ADB-FUBINACA are structurally similar synthetic cannabinoids with potent CB1 receptor agonistic effects. Very little is known about their pharmacology and toxicology. OBJECTIVE: To report a case of supraventricular tachycardia and acute confusion after ingestion of e-cigarette fluid containing AB-FUBINACA and ADB-FUBINACA, with quantitative analysis of the serum drug concentrations. CASE REPORT: A healthy 24-year-old man ingested two drops of e-cigarette fluid which were later found to contain AB-FUBINACA and ADB-FUBINACA...
April 10, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28390021/pharmaceuticals-and-illicit-drugs-in-wastewater-samples-in-north-eastern-tunisia
#16
Bilel Moslah, Evroula Hapeshi, Amel Jrad, Despo Fatta-Kassinos, Abderrazek Hedhili
Pharmaceutically active substances (PhACs) and drugs of abuse (DAs) are two classes of contaminants of emerging concern that have attracted great concern and interest by the scientific community during the last two decades. Numerous studies have revealed their presence in treated urban wastewaters. This is mainly due to the fact that some compounds are not efficiently removed during wastewater treatment processes, and are thus able to reach the aquatic environment through wastewater discharge and reuse practices...
April 7, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28376067/seizures-systemic-inflammatory-response-and-rhabdomyolysis-associated-with-laboratory-confirmed-2c-i-and-25-i-exposure
#17
Stephen L Thornton, Sarah Hoehn, Roy R Gerona
The 2C drugs are hallucinogenic phenethylamines. They and their n-benzyloxymethyl analogs have become popular as "legal highs," and significant toxicity has been attributed to their use. We report on a case of seizures, systemic inflammatory response, and rhabdomyolysis associated with laboratory-confirmed 4-iodo-2,5-dimethoxyphenethylamine and 4-iodo-2,5-dimethoxy-N-(2-methoxybenzyl) phenethylamine exposure. A 17-year-old male teenager developed seizures after taking "2 strips of acid." The seizures resolved with midazolam, but he became apneic and was intubated...
April 4, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28371411/generation-of-integration-free-induced-pluripotent-stem-cells-from-urine-derived-cells-isolated-from-individuals-with-down-syndrome
#18
Young M Lee, Bruna L Zampieri, Jonah J Scott-McKean, Mark W Johnson, Alberto C S Costa
Down syndrome (DS) is a genetic disorder caused by trisomy 21 (T21). Over the past two decades, the use of mouse models has led to significant advances in the understanding of mechanisms underlying various phenotypic features and comorbidities secondary to T21 and even informed the design of clinical trials aimed at enhancing the cognitive abilities of persons with DS. In spite of its success, this approach has been plagued by all the typical limitations of rodent modeling of human disorders and diseases. Recently, several laboratories have succeeded in producing T21 human induced pluripotent stem cells (T21-iPSCs) from individuals with DS, which is emerging as a promising complementary tool for the study of DS...
March 28, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28363609/maternal-fetal-monitoring-of-opioid-exposed-pregnancies-analysis-of-a-pilot-community-based-protocol-and-review-of-the-literature
#19
Gareth Ryan, Joe Dooley, Rory Windrim, Megan Bollinger, Lianne Gerber Finn, Len Kelly
OBJECTIVES: To describe/analyse a novel, community-based prenatal monitoring protocol for opioid-exposed pregnancies developed by our centre in 2014 to optimize prenatal care for this population. A literature review of published monitoring protocols for this population is also presented. METHODS: Retrospective comparison of pre-protocol (n = 215) and post-protocol (n = 251) cohorts. Medline and Embase were searched between 2000-2016 using MeSH terms: [fetal monitoring OR prenatal care] AND [opioid-related disorders OR substance-related disorders] in Medline and [fetal monitoring OR prenatal care] AND [opiate addiction OR substance abuse] in Embase, producing 518 results...
June 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28361803/illicit-drugs-in-emergency-department-patients-injured-in-road-traffic-accidents
#20
Pietro Papa, Loretta Rocchi, Laura Maria Rolandi, Marcello Di Tuccio, Marco Biffi, Antonella Valli
Urine and blood samples from 1730 drivers involved in road accidents (July 2012 - December 2015) were analyzed for the evaluation of driving under influence of drug of abuse according to the Lombardia Region guideline. The 22.5% (95% CI 20.5 to 24.5) of urine screenings tested positive for at least one class of drugs. 10.6% (95% CI 9.2 to 12.1) of the 1730 drivers were under the influence of drug, being blood concentration above the cut-off limit for at least one active substance; the proportion of illicit drugs in blood was cocaine 5...
January 2017: Annali Dell'Istituto Superiore di Sanità
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