1 H-15 N HMBC NMR as a tool for rapid identification of isomeric azaindoles: The case of 5F-MDMB-P7AICA.

abstract：:A simple and sensitive method is described for voltammetric determination of promethazine hydrochloride (PMZ), a widely used phenothiazine drug, based on its electrochemical oxidation at a multi-wall carbon nanotube (MWCNT) modified glassy carbon electrode (GCE). Compared with bare GCE, the MWCNT-modified GCE exhibite...

journal_title：Drug testing and analysis

authors： Xi X,Ming L,Liu J

更新日期：2011-03-01 00:00:00

abstract：:The Ministry of Health in the Netherlands has made illicit drug testing for drug users possible since the 1990s, in order to prevent serious health hazards associated with unexpected dangerous substances. This system of illicit drug testing is called the Drug Information and Monitoring System (DIMS). In nearly two dec...

journal_title：Drug testing and analysis

authors： Brunt TM,Niesink RJ

更新日期：2011-09-01 00:00:00

abstract：:Deschloroketamine (2-(methylamino)-2-phenyl-cyclohexanone) is a ketamine analog belonging to a group of dissociative anesthetics, which have been distributed within the illicit market since 2015. However, it was also being sold as 'ketamine' misleading people to believe that they were getting genuine ketamine. Dissoci...

journal_title：Drug testing and analysis

authors： Hájková K,Jurásek B,Čejka J,Štefková K,Páleníček T,Sýkora D,Kuchař M

更新日期：2020-03-01 00:00:00

abstract：:Dihydroartemisinin (DHA) and piperaquine (PPQ) are two drugs used in an artemisinin-based combination therapy (ACT). The circulation of counterfeit antimalarial drugs demands the development of simple, point-of-care (POC) tests for monitoring drug quality. Here we aimed to design an antibody-based lateral flow dipstic...

journal_title：Drug testing and analysis

authors： Ning X,Tan G,Chen X,Wang M,Wang B,Cui L

更新日期：2019-09-01 00:00:00

abstract：:The evolving nature of new psychoactive substances (NPS) - often referred to as 'legal highs', 'designer drugs' or 'bath salts' - presents an evolving challenge for toxicologists. Apart from the detection and identification of these compounds, further analytical challenges may arise from the presence of possible metab...

journal_title：Drug testing and analysis

authors： Soh YN,Elliott S

更新日期：2014-07-01 00:00:00

abstract：:Trimethoprim (TMP) is a bacteriostatic antibiotic mainly used in the prophylaxis and treatment of urinary tract infections. It belongs to the class of chemotherapeutic agents known as dihydrofolate reductase inhibitors. Its use is associated with idiosyncratic reactions, including liver toxicity and agranulocytosis. I...

journal_title：Drug testing and analysis

authors： Rajith L,Kumar KG

更新日期：2010-09-01 00:00:00

abstract：:We recently published two protocols for the detection of Sotatercept (ACE-011, ACVR2A-Fc) and Luspatercept (ACE-536, ACVR2B-Fc) in human serum. Both methods used covalently immobilized antibodies on agarose beads for immunoprecipitation and SAR-PAGE/Western blotting for detection. Disadvantages were the relatively hig...

journal_title：Drug testing and analysis

authors： Reichel C,Gmeiner G,Walpurgis K,Thevis M

更新日期：2018-11-01 00:00:00

abstract：:In an earlier study, we developed two sensitive and reliable procedures for gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-tandem mass spectrometry (LC-MS/MS) analysis of methylhexaneamine (MHA) in P. graveolens plant materials and volatile oils. None of the analyzed plant materials or oils sho...

journal_title：Drug testing and analysis

authors： ElSohly MA,Gul W,Tolbert C,ElSohly KM,Murphy TP,Avula B,Chittiboyina AG,Wang M,Khan IA,Yang M,Guo D,Zhang WD,Su J

更新日期：2015-07-01 00:00:00

abstract：:At present, there is a growing trend toward the intentional adulteration of dietary supplements (DS) with synthetic pharmaceuticals, which represents an alarming emerging risk to consumers and a serious problem for regulatory agencies. An amazing array of synthetic drugs and their analogues have been reported as adult...

journal_title：Drug testing and analysis

authors： Muschietti L,Redko F,Ulloa J

更新日期：2020-07-01 00:00:00

abstract：:A quantitative structure-property relationship (QSPR) study based on an artificial neural network (ANN) was carried out for the prediction of the microemulsion liquid chromatography polar surface area (PSA) of a set of 32 drug compounds. The genetic algorithm-kernel partial least squares (GA-KPLS) method was used as a...

journal_title：Drug testing and analysis

authors： Noorizadeh H,Farmany A,Noorizadeh M,Kohzadi M

更新日期：2013-04-01 00:00:00

abstract：:The effectiveness of doping control in sport has been improved continuously during the past 50 years. One of the major steps forward was the introduction of unannounced and targeted out-of-competition testing in order to control the misuse of anabolic-androgenic steroids (AAS), mainly during the end of the 1980s. It a...

journal_title：Drug testing and analysis

authors： Hemmersbach P

更新日期：2020-05-01 00:00:00

abstract：:Peroxisome-proliferator-activated receptor (PPAR) delta and adenosine monophosphate (AMP)-activated protein kinases (AMPKs) regulate the metabolic and contractile characteristics of myofibres. PPAR proteins are nuclear receptors that function as transcription factors and regulate the expression of multiple genes. AMPK...

journal_title：Drug testing and analysis

authors： Sanchis-Gomar F,Pareja-Galeano H,Martinez-Bello VE

更新日期：2014-09-01 00:00:00

abstract：:In this tutorial we describe the construction of chemiluminescence detectors for high performance liquid chromatography (HPLC), comprising the components required to deliver the chemiluminescence reagent, a coiled-tubing flow cell, photomultiplier tube and detector housing, and various options for data acquisition. We...

journal_title：Drug testing and analysis

authors： Adcock JL,Terry JM,Barrow CJ,Barnett NW,Olson DC,Francis PS

更新日期：2011-03-01 00:00:00

abstract：:Even though hair analysis often seems to be the best choice for retrospective monitoring of cocaine intake, differentiating between incorporated cocaine and external contamination is widely debated. In this study we report results obtained in 90 hair samples from addicts. All samples were analyzed for cocaine, benzoyl...

journal_title：Drug testing and analysis

authors： Gambelunghe C,Rossi R,Aroni K,Gili A,Bacci M,Pascali V,Fucci N

更新日期：2017-02-01 00:00:00

abstract：:A series of regioisomeric bromodimethoxyamphetamines have mass spectra essentially equivalent to the controlled drug substance 4-Br-2,5-dimethoxyamphetamine (4-Br-2,5-DMA; DOB); all have molecular weight of 274 and major fragment ions in their electron ionization mass spectra at m/z 44 and m/z 230/232. The trifluoroac...

journal_title：Drug testing and analysis

authors： Maher HM,Awad T,DeRuiter J,Randall Clark C

更新日期：2012-07-01 00:00:00

abstract：:The accuracy in predicting different chemometric methods was compared when applied on ordinary UV spectra and first order derivative spectra. Principal component regression (PCR) and partial least squares with one dependent variable (PLS1) and two dependent variables (PLS2) were applied on spectral data of pharmaceuti...

journal_title：Drug testing and analysis

authors： Riahi S,Hadiloo F,Milani SM,Davarkhah N,Ganjali MR,Norouzi P,Seyfi P

更新日期：2011-05-01 00:00:00

abstract：:The second programme of its kind globally, the highly successful, collaborative, productive and energizing IFDAT-International Forum for Drug and Alcohol Testing, was held in Barcelona, Spain, from 12-14 April. IFDAT was attended by over 100 delegates, conference sponsors and exhibitors from the international workplac...

journal_title：Drug testing and analysis

authors： Kenney J D JE,Björklöv P

更新日期：2011-03-01 00:00:00

abstract：:Anabolic-androgenic steroids (AAS) represent one of the most frequently detected classes of prohibited substances in doping controls. Due to their long-lasting beneficial effects on athletic performance, utmost retrospectivity via urine analysis is desirable and accomplished by targeting long-term metabolites of the r...

journal_title：Drug testing and analysis

authors： Schänzer W,Guddat S,Thomas A,Opfermann G,Geyer H,Thevis M

更新日期：2013-11-01 00:00:00

abstract：:Several clinical-grade immunoassays exist for the specific measurement of hGH or its isoforms in blood but there is an urgent need to apply these same reliable assays to the measurement of hGH in urine as a preferred 'non-invasive' biofluid. Unfortunately, conventional hGH immunoassays cannot attain the sensitivity re...

journal_title：Drug testing and analysis

authors： Fredolini C,Tamburro D,Gambara G,Lepene BS,Espina V,Petricoin EF 3rd,Liotta LA,Luchini A

更新日期：2009-09-01 00:00:00

abstract：:Accurate on-site devices to screen for drug intake are critical for establishing whether an individual is driving under the influence of drugs (DUID); however, on-site oral fluid (OF) cocaine device performance is variable. We evaluated the performance of a newly developed benzoylecgonine (BE) test-strip for the Draeg...

journal_title：Drug testing and analysis

authors： Ellefsen KN,Concheiro M,Pirard S,Gorelick DA,Huestis MA

更新日期：2016-03-01 00:00:00

abstract：:Tretoquinol (trimetoquinol), a β2-agonist, has been explicitly listed on the World Anti-Doping Agency Prohibited List 2019 since January 2019; however, it has been distributed as an antiasthmatic on the medical market. This study aimed to develop a liquid chromatography-tandem mass spectrometric method for the quantif...

journal_title：Drug testing and analysis

authors： Okano M,Miyamoto A,Sato M,Kageyama S

更新日期：2019-11-01 00:00:00

abstract：:The synthesis of positional isomers of designer drugs is a common way of bypassing legal restrictions. For forensic case work, and especially for the legal assessment of cases, there is a need for screening methods capable of the unequivocal identification of positional isomers. The presented liquid chromatography-ele...

journal_title：Drug testing and analysis

authors： Grumann C,Auwärter V

更新日期：2018-02-18 00:00:00

abstract：:MicroRNAs (miRNAs) are small, non-protein coding transcripts involved in many cellular and physiological mechanisms. Recently, a new class of miRNA called 'circulating miRNAs' was found in cell-free body fluids such as plasma and urine. Circulating miRNAs have been shown to be very stable, specific, and sensitive biom...

journal_title：Drug testing and analysis

authors： Leuenberger N,Jan N,Pradervand S,Robinson N,Saugy M

更新日期：2011-11-01 00:00:00

abstract：:In doping control analysis, the characterization of urinary steroid metabolites is of high interest for a targeted and long-term detection of prohibited anabolic androgenic steroids (AAS). In this work, the structure of a long-term metabolite of dehydrochloromethyltestosterone (DHCMT) was elucidated. Altogether, 8 pos...

journal_title：Drug testing and analysis

authors： Forsdahl G,Geisendorfer T,Göschl L,Pfeffer S,Gärtner P,Thevis M,Gmeiner G

更新日期：2018-03-23 00:00:00

abstract：:Bioactive peptides pose a great threat to sports integrity. The detection of these peptides is essential for enforcing their prohibition in sports. Identifying the catabolites of these peptides that are formed ex vivo in plasma may improve their detection. In the present study, the stability of 27 bioactive peptides w...

journal_title：Drug testing and analysis

authors： Guan F,Fay S,Li X,You Y,Robinson MA

更新日期：2020-06-01 00:00:00

abstract：:Classic examples of psychoactive arylcycloalkylamines include ketamine and 1-(1-phenylcyclohexyl)piperidine (PCP) and many others serve as important structural templates for neuropharmacological research. The recent emergence of PCP analogues that can be obtained from internet retailers requires the implementation of ...

journal_title：Drug testing and analysis

authors： Wallach J,De Paoli G,Adejare A,Brandt SD

更新日期：2014-07-01 00:00:00

abstract：:Therapeutic drug concentrations measured in plasma are of limited value as reference intervals for interpretation in post-mortem (PM) toxicology. In this study, drug concentration distributions were studied in PM femoral venous blood from 57 903 Finnish autopsy cases representing all causes of death during an 11-year ...

journal_title：Drug testing and analysis

authors： Launiainen T,Ojanperä I

更新日期：2014-04-01 00:00:00

abstract：:Indole-, indazole-, or azaindole-based synthetic cannabinoids (SCs), bearing a cumyl substituent are a widespread, recreationally used subgroup of new psychoactive substances (NPS). The latest cumyl-derivative, CUMYL-PEGACLONE, emerged in December 2016 on the German drug market. The substance features a novel γ-carbol...

journal_title：Drug testing and analysis

authors： Mogler L,Wilde M,Huppertz LM,Weinfurtner G,Franz F,Auwärter V

更新日期：2018-05-01 00:00:00

abstract：:Inhibition of acetylcholinesterase (AChE) is the main mechanism of action of organophosphorus compounds (OP), and AChE reactivators (oximes) are at present the only causal therapeutic approach. Being the key target of OP toxicity, AChE may serve as a valuable tool for diagnosis of OP exposure as well as for the invest...

journal_title：Drug testing and analysis

authors： Worek F,Eyer P,Thiermann H

更新日期：2012-03-01 00:00:00

abstract：:Buprenorphine and methadone are commonly used medications for opioid maintenance treatment (OMT), using sublingual and oral administration, respectively. Although beneficial for OMT, these drugs can also be abused by intravenous administration. In intravenous abuse cases, the adjuvants lactose and sucrose are excreted...

journal_title：Drug testing and analysis

authors： Keltanen T,Mariottini C,Walta AM,Rahikainen AL,Ojanperä I

更新日期：2017-06-01 00:00:00