Steroid profile and IRMS analysis of musk administration for doping control.

abstract：:A new, simple, rapid, accurate and precise high performance thin layer chromatography (HPTLC) method has been developed for the estimation of ondansetron hydrochloride in bulk and sublingual tablets. The mobile phase composition was chloroform : ethyl acetate : methanol : ammonia (9:5:4:0.1 v/v). Spectrodensitometric ...

journal_title：Drug testing and analysis

authors： Mujtaba A,Kohli K,Ali J,Baboota S

更新日期：2013-02-01 00:00:00

abstract：:The detection of drug abuse in horseracing often requires knowledge of drug metabolism, especially if urine is the matrix of choice. In this study, equine liver/lung microsomes/S9 tissue fractions were used to study the phase I metabolism of eight drugs of relevance to equine drug surveillance (acepromazine, azaperone...

journal_title：Drug testing and analysis

authors： Scarth JP,Spencer HA,Timbers SE,Hudson SC,Hillyer LL

更新日期：2010-01-01 00:00:00

abstract：:The absence of reference material is a commonly experienced difficulty among medical and forensic professionals tasked with identifying new psychoactive substances that are encountered for the first time. The identification of newly emerging substances lies at the heart of forensic and clinical analysis, and a proacti...

journal_title：Drug testing and analysis

authors： Brandt SD,Tearavarich R,Dempster N,Cozzi NV,Daley PF

更新日期：2012-01-01 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：:A sensitive and selective ultra fast liquid chromatography (UFLC) method has been developed and validated for the determination of a potent and novel antitubercular compound S006-830 in Sprague Dawley (SD) rat plasma. Samples were extracted and processed by protein precipitation method using acetonitrile. Chromatograp...

journal_title：Drug testing and analysis

authors： Singh Y,Hidau MK,Misra A,Kushwaha HN,Tiwari A,Sharma AK,Singh SK

更新日期：2015-08-01 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：:The determination of protein- or peptide-based performance-enhancing pharmaceuticals has gained increasing attention in sports drug testing in recent decades. Proteases possess a high potential for use in the manipulation of regular urine specimens, interfering with established doping control procedures for proteins o...

journal_title：Drug testing and analysis

authors： Thomas A,Kohler M,Walpurgis K,Schänzer W,Thevis M

更新日期：2009-02-01 00:00:00

abstract：:The availability of a real-time assay to experimentally investigate the release of encapsulated proteins would be beneficial given the interest in the use of liposomes as a drug delivery vehicle. Although simple assays for small molecular weight substances exist, assays to evaluate macromolecules do not. Here we descr...

journal_title：Drug testing and analysis

authors： Mujoo H,Reynolds JNJ,Tucker IG

更新日期：2018-06-01 00:00:00

abstract：:Autologous blood transfusion is a powerful means of improving performance and remains one of the most challenging methods to detect. Recent investigations have identified 3 candidate reticulocytes genes whose expression was significantly influenced by blood transfusion. Using quantitative reverse transcription polymer...

journal_title：Drug testing and analysis

authors： Salamin O,Mignot J,Kuuranne T,Saugy M,Leuenberger N

更新日期：2018-03-01 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：:Hemp nuts are mature cannabis seeds obtained after shelling and that are commonly used in traditional Chinese medicine for treating functional constipation. In this work, we screened hemp nut products, classified them, and verified the legality of consuming them. A total of 18 products were purchased from Taiwan, Chin...

journal_title：Drug testing and analysis

authors： Chang CW,Tung CW,Tsai CC,Wu YT,Hsu MC

更新日期：2017-06-01 00:00:00

abstract：:The consumption of drugs is of great concern worldwide. Various drug tests for humans have been developed but there is no compact and easy-to-use test device available yet for direct semi-quantitative drug testing in the field. We suggest using attenuated total reflection (ATR) infrared spectroscopy as a sensing metho...

journal_title：Drug testing and analysis

authors： Hans KM,Müller S,Sigrist MW

更新日期：2012-06-01 00:00:00

abstract：:Cobalt is a well-established inducer of hypoxia-like responses, which can cause gene modulation at the hypoxia inducible factor pathway to induce erythropoietin transcription. Cobalt salts are orally active, inexpensive, and easily accessible. It is an attractive blood doping agent for enhancing aerobic performance. I...

journal_title：Drug testing and analysis

authors： Ho EN,Chan GH,Wan TS,Curl P,Riggs CM,Hurley MJ,Sykes D

更新日期：2015-01-01 00:00:00

abstract：:The quantitative structure-property relationship (QSPR) of drug molecules against the immobilized liposome chromatography partitioning (log K(s)) was studied. The genetic algorithm (GA) was employed to select the variables that resulted in the best-fitted models. After the variables were selected, the linear multivari...

journal_title：Drug testing and analysis

authors： Noorizadeh H,Farmany A

更新日期：2012-02-01 00:00:00

abstract：:Docetaxel (DTX) is an anti-cancer compound derived from 10-deacetyl baccatin III which is indicated for treatment of breast, lung, prostate, gastro-esophageal, and head and neck cancers. Epimerization of DTX at the C-7 hydroxyl position has intrigued chemists and has been implicated in loss of potency, as well as in t...

journal_title：Drug testing and analysis

authors： Mohsin S,Arellano IH,Choudhury NR,Garg S

更新日期：2014-10-01 00:00:00

abstract：:Δ(9) -Tetrahydrocannabinol (THC) is the most commonly analyzed cannabinoid in oral fluid (OF); however, its metabolite 11-nor-9-carboxy-THC (THCCOOH) offers the advantage of documenting active consumption, as it is not detected in cannabis smoke. Analytical challenges such as low (ng/L) THCCOOH OF concentrations hampe...

journal_title：Drug testing and analysis

authors： Desrosiers NA,Scheidweiler KB,Huestis MA

更新日期：2015-08-01 00:00:00

abstract：:The tiletamine-zolazepam (TZ) combination is an anaesthetic drug commonly used in veterinary medicine. It is an equal amount combination of tiletamine, a dissociative anaesthetic pharmacologically classified as an N-methyl-D-aspartate (NMDA) receptor antagonist, and zolazepam, a benzodiazepine tranquilizer. There are ...

journal_title：Drug testing and analysis

authors： de la Peña JB,Cheong JH

更新日期：2016-08-01 00:00:00

abstract：:Detection of the abuse of synthetic steroids in food production is nowadays relatively straightforward using modern techniques such as gas or liquid chromatography coupled to mass spectrometry (GC-MS/MS or LC-MS/MS, respectively). However, proving the abuse of 'endogenous' (or naturally occurring) steroids is more dif...

journal_title：Drug testing and analysis

authors： Scarth JP,Kay J,Teale P,Akre C,Le Bizec B,De Brabander HF,Vanhaecke L,Van Ginkel L,Points J

更新日期：2012-08-01 00:00:00

abstract：:New Psychoactive Substances are now a feature of Australia's recreational drug market. Little is known, however, about the prevalence of use, the characteristics of people who use them and the relationship between the NPS and ecstasy markets. This study examined the prevalence and correlates of NPS use amongst a group...

journal_title：Drug testing and analysis

authors： Burns L,Roxburgh A,Matthews A,Bruno R,Lenton S,Van Buskirk J

更新日期：2014-07-01 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：:To date, substances such as Mildronate (Meldonium) are not on the radar of anti-doping laboratories as the compound is not explicitly classified as prohibited. However, the anti-ischemic drug Mildronate demonstrates an increase in endurance performance of athletes, improved rehabilitation after exercise, protection ag...

journal_title：Drug testing and analysis

authors： Görgens C,Guddat S,Dib J,Geyer H,Schänzer W,Thevis M

更新日期：2015-11-01 00:00:00

abstract：:In a preliminary test, four single hairs of a drug abuser were analyzed for the presence of drugs by MALDI Fourier transform mass spectrometry (MALDI-FTMS). Washed hair strains were directly fixed on a sample plate using pressure stable, double-sided adhesive tape; α-cyano-4-hydroxycinnamic acid matrix was manually sp...

journal_title：Drug testing and analysis

authors： Musshoff F,Arrey T,Strupat K

更新日期：2013-05-01 00:00:00

abstract：:The purpose of this research is to validate the biomarker-based approach for the detection of doping with recombinant human growth hormone (rhGH) in sport. The GH-2000 project proposed an indirect method for the detection of exogenously administered growth hormone (GH) based on the measurement of the GH-dependent mark...

journal_title：Drug testing and analysis

authors： Jing J,Zhou X,He C,Zhang L,Yang S,Xu Y,Xie M,Yan Y,Su H,Wu M

更新日期：2012-10-01 00:00:00

abstract：:The steroidal module of the Athlete Biological Passport (ABP) aims to detect doping with endogenous steroids, e.g. testosterone (T), by longitudinally monitoring several biomarkers. These biomarkers are ratios combined into urinary concentrations of testosterone and metabolically related steroids. However, it is evide...

journal_title：Drug testing and analysis

authors： Mullen J,Baekken LV,Törmäkangas T,Ekström L,Ericsson M,Hullstein IR,Schulze JJ

更新日期：2020-06-01 00:00:00

abstract：:Erythropoietin (EPO) has been misused in sports for many years due to its performance-enhancing effect. In the last decade, detection of abuse has been possible with isoelectric focusing (IEF) based on the different isoform profiles of endogenous and recombinant EPO. The release of new EPOs on the market, such as the ...

journal_title：Drug testing and analysis

authors： Dehnes Y,Hemmersbach P

更新日期：2011-05-01 00:00:00

abstract：:The presence of erythropoiesis stimulating agents (ESAs) in the urine samples collected from athletes is detected using traditional Western blotting following either size-based separation (SDS/SAR-PAGE) or isoelectric focusing (IEF). Although there is an important testing effort, there is little doubt that ESAs are st...

journal_title：Drug testing and analysis

authors： Desharnais P,Naud JF,Ayotte C

更新日期：2018-11-01 00:00:00

abstract：:Prenylamine is a vasodilator of phenylalkylamine structure and was used for the treatment of angina pectoris, until reports of undesirable effects including ventricular tachycardia led to a decreasing use of the drug in the 1980s. Metabolic N-dealkylation of orally ingested prenylamine can liberate amphetamine in huma...

journal_title：Drug testing and analysis

authors： Beuck S,Sigmund G,Koch A,Schänzer W,Pokrywka A,Kwiatkowska D,Thevis M

更新日期：2012-09-01 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：:The impact of altitude training on haematological parameters and the Athlete Biological Passport (ABP) was evaluated in international-level elite athletes. One group of swimmers lived high and trained high (LHTH, n = 10) for three to four weeks at 2130 m or higher whereas a control group (n = 10) completed a three-wee...

journal_title：Drug testing and analysis

authors： Bonne TC,Lundby C,Lundby AK,Sander M,Bejder J,Nordsborg NB

更新日期：2015-08-01 00:00:00

abstract：:The widespread use of antibiotics in animals is causing concerns about the growing risk for development and the spread of antibiotic-resistant bacteria. Antibiotic consumption is higher in animals than in humans as reported in a joint publication of EFSA (European Food Safety Agency), ECDC (European Centre for Disease...

journal_title：Drug testing and analysis

authors： Daeseleire E,De Graef E,Rasschaert G,De Mulder T,Van den Meersche T,Van Coillie E,Dewulf J,Heyndrickx M

更新日期：2016-05-01 00:00:00