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https://www.readbyqxmd.com/read/29134999/micelle-assisted-electrodeposition-of-highly-mesoporous-fe-pt-nodular-films-with-soft-magnetic-and-electrocatalytic-properties
#1
Eloy Isarain-Chávez, Maria Dolors Baró, Eva Pellicer, Jordi Sort
Mesoporous Fe-Pt nodular films (with a regular spatial arrangement of sub-15 nm pores) are grown onto evaporated Au, Cu and Al conductive layers by micelle-assisted electrodeposition from metal chloride salts in the presence of Pluronic P123 tri-block copolymer dissolved in the aqueous electrolytic bath. This synthetic approach constitutes a simple, one-step, versatile procedure to grow multifunctional mesoporous layers appealing for diverse applications that take advantage of materials with an ultra-high surface area-to-volume ratio...
November 14, 2017: Nanoscale
https://www.readbyqxmd.com/read/29128711/polysubstance-use-profiles-among-electronic-dance-music-party-attendees-in-new-york-city-and-their-relation-to-use-of-new-psychoactive-substances
#2
Fermín Fernández-Calderón, Charles M Cleland, Joseph J Palamar
BACKGROUND: Electronic Dance Music (EDM) party attendees are often polysubstance users and are at high risk for use of new psychoactive substances (NPS). We sought to identify patterns of use of common illegal drugs among EDM party attendees, sociodemographic correlates, and use of NPS as a function of patterns of use of more common drugs to inform prevention and harm reduction. METHOD: Using time-space-sampling, 1045 individuals aged 18-40 were surveyed entering EDM parties in New York City...
November 4, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/29055673/hemorrhoids-during-pregnancy-sitz-bath-vs-ano-rectal-cream-a-comparative-prospective-study-of-two-conservative-treatment-protocols
#3
Bader Hamza Shirah, Hamza Asaad Shirah, Abdelelah Hussein Fallata, Shaima Nassar Alobidy, Majdah Mohammad Al Hawsawi
BACKGROUND: Hemorrhoids are a very common ano-rectal condition affecting pregnant females worldwide and representing a major medical and socioeconomic problem. In this paper, we aim to compare the effectiveness of the Sitz bath method with an ano-rectal cream as part of a conservative management protocol to treat hemorrhoids among pregnant Saudi Arabian females. METHODS: A prospective comparative study of the results of two conservative treatment protocols of 495 pregnant females diagnosed to have hemorrhoids during pregnancy between January 2010 and December 2014 was done...
October 18, 2017: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/29042316/concurrent-repeated-exposure-to-3-4-methylenedioxypyrovalerone-and-cocaine-produce-locomotor-sensitization-with-minimal-effects-on-brain-monoamines
#4
REVIEW
Robert J Kohler, Shane A Perrine, Lisa E Baker
Synthetic cathinones, known as "bath salts" on the illicit drug market, pose a significant public health concern. 3,4-Methylenedioxypyrovalerone (MDPV), one of several popular constituents of illicit bath salts, produces similar pharmacological actions to cocaine, albeit with greater potency and efficacy. The present study sought to characterize behavioral and neurochemical effects of repeated exposure to MDPV alone and in combination with cocaine. Male Sprague-Dawley rats were randomly assigned to one the following four treatments, administered once daily for seven days: 1 mg/kg MDPV, 5 mg/kg cocaine, 1 mg/kg MDPV +5 mg/kg cocaine, or saline...
October 14, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/29042260/pldt-planarian-light-dark-test-an-invertebrate-assay-to-quantify-defensive-responding-and-study-anxiety-like-effects
#5
Ashenafi Mebratu Zewde, Frances Yu, Sunil Nayak, Christopher Tallarida, Allen B Reitz, Lynn G Kirby, Scott M Rawls
BACKGROUND: Planarians, like rodents, instinctively spend more time in dark versus light environments when given a choice. This behavioral phenomenon is called negative phototaxis, which may reflect defensive responding related to an anxiety-like phenotype. NEW METHOD: We propose a planarian light/dark test, designated PLDT, to predict anxiogenic- or anxiolytic-like effects. Experimentally, we placed a planarian at the midline of a Petri dish, containing test compound or water, that was split evenly into light and dark compartments and determined time spent in the light over 10min...
October 16, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/29034384/phase-formation-and-stability-of-ag-60-at-cu-alloy-nanoparticles-synthesized-by-chemical-routes-in-aqueous-media
#6
Kirtiman Deo Malviya, Chandan Srivastava, Kamanio Chattopadhyay
The present work reports the nature of the evolution of an array of nanoparticles during the synthesis of alloy nanoparticles of Ag-60 at%Cu by the co-reduction of metal salt precursors using NaBH4 in an aqueous medium. This was achieved by studying samples extracted at different intervals of time from the reaction bath. The microstructural characterization reveals that at the initial stage of synthesis, a single-phase solid solution of alloy nanoparticles of very small sizes was formed; however, as the reaction time increases, a network of chains of nanoparticles evolves containing particles rich in either Ag or Cu...
October 25, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29030166/mdpv-and-%C3%AE-pvp-use-in-humans-the-twisted-sisters
#7
REVIEW
Laurent Karila, Geneviève Lafaye, Amandine Scocard, Olivier Cottencin, Amine Benyamina
The new psychoactive substances phenomenon continues to represent a considerable public health challenge. Synthetic cathinones are β-keto amphetamine analogues, also known as legal highs, research chemicals, bath salts. These drugs have surfaced as a popular alternative to other illicit drugs of abuse, such as cocaine, MDMA, and methamphetamine, due to their potent psychostimulant and empathogenic effects. Pyrovalerone cathinones (a-pyrrolidinophenones) form a distinct group of designer cathinones, such as MDPV...
October 10, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28985394/a-validated-method-for-the-detection-of-32-bath-salts-in-oral-fluid
#8
Michelle Williams, Jennifer Martin, Peter Galettis
Workplace drug testing in Australia is usually adherent to one of two standards, AS/NZS 4308:2008 for urine or AS 4760:2006 for oral fluid. These standards prescribe the drugs tested, devices used and testing methodology followed by the testing agency. However, they are not comprehensive and for many years workers have been able to consume novel psychoactive substances to avoid detection and without consequences. Here, we present a validated method for the detection of 32 Synthetic Stimulant and Hallucogenic drugs, commonly sold as bath salts, in oral fluid...
July 14, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28920811/salt-bath-as-a-treatment-for-idiopathic-dermatitis-in-captive-nile-hippopotamus-hippopotamus-amphibius
#9
Kelly E Helmick
Ulcerative skin lesions were observed in two captive adult female hippos (Hippopotamus amphibius) from a zoological collection. Lesions appeared as cracking, peeling, or vesicles of the skin affecting the lateral and ventral aspects of the neck, limbs, thorax, and abdomen, dorsum, toes, and perineal region. Some lesions drained blood, serum, or purulent material. Histologic evaluation of sloughed skin consisted of deep dermal collagen with bacterial cellulitis and vasculitis and superficial fungal colonization...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28917791/development-of-salt-and-ph-induced-solidified-floating-organic-droplets-homogeneous-liquid-liquid-microextraction-for-extraction-of-ten-pyrethroid-insecticides-in-fresh-fruits-and-fruit-juices-followed-by-gas-chromatography-mass-spectrometry
#10
Mohammadali Torbati, Mir Ali Farajzadeh, Mostafa Torbati, Ali Akbar Alizadeh Nabil, Ali Mohebbi, Mohammad Reza Afshar Mogaddam
A new microextraction method named salt and pH-induced homogeneous liquid-liquid microextraction has been developed in a home-made extraction device for the extraction and preconcentration of some pyrethroid insecticides from different fruit juice samples prior to gas chromatography-mass spectrometry. In the present work, an extraction device made from two parallel glass tubes with different lengths and diameters was used in the microextraction procedure. In this method, a homogeneous solution of a sample solution and an extraction solvent (pivalic acid) was broken by performing an acid-base reaction and the extraction solvent was produced in whole of the solution...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28904288/alpha-pvp-induces-the-rewarding-effect-via-activating-dopaminergic-neuron
#11
Kyoko Hataoka, Asuka Kaizaki-Mitsumoto, Satoshi Numazawa
A synthetic cathinone, 1-phenyl-2-(1-pyrrolidinyl)-1-pentanone (α-PVP), was occasionally found in the "bath salt" type of designer drugs, as an active ingredient. It has been reported that drivers who consumed α-PVP were in an excited state and incapable of controlling their behavior, causing traffic accidents. Despite its acute excitatory effects, there is no information on the psychological dependency elicited by α-PVP use. The purpose of the present study was to clarify whether the reward pathway is activated with repeated doses of α-PVP in experimental animals...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28887185/role-of-monoaminergic-systems-and-ambient-temperature-in-bath-salts-constituent-3-4-methylenedioxypyrovalerone-mdpv-elicited-hyperthermia-and-locomotor-stimulation-in-mice
#12
REVIEW
Brenda M Gannon, Adrian Williamson, Kenner C Rice, William E Fantegrossi
3,4-Methylenedioxypyrovalerone (MDPV) is a common constituent of illicit bath salts products, and in vitro studies implicate monoamine transporters as mediators of its pharmacological effects. Locomotor and thermoregulatory effects of MDPV depend on ambient temperature, so the current studies aimed to gauge the involvement of dopamine (DA), norepinephrine (NE), and serotonin (5-HT) in MDPV-induced locomotor stimulation and hyperthermia in the mouse at different ambient temperatures. Mice were pretreated with the selective 5-HT-reuptake inhibitor fluoxetine (3 mg/kg), the NE-reuptake inhibitor desipramine (3 mg/kg), the DA-reuptake inhibitor bupropion (10 mg/kg), or saline, followed by 10 mg/kg MDPV while thermoregulation and locomotor activity were monitored via radiotelemetry...
September 5, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28886216/identification-of-1-2-3-dihydro-1h-inden-5-yl-2-ethylamino-pentan-1-one-bk-ivp-in-a-seized-drug-exhibit
#13
Audra Curry Yovanovich, John V Goodpaster, Robert E Minto
To circumvent the law by evading regulation and obscuring their identities in routine analyses, numerous substituted cathinones have entered the illicit drug market. These compounds have been coined "bath salts" by users. In the described case, the laboratory received an unknown white powder for controlled substances identification. The sample could not be immediately identified using standard methods and procedures. Ultimately, the structure was elucidated using GC-MS, NMR, FTIR, GC-SPIR, UV, and color tests to be 1-(2,3-dihydro-1H-inden-5-yl)-2-(ethylamino)pentan-1-one (bk-IVP), a cathinone analog with a rarely observed nonoxygenated bicyclic ring system...
September 8, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28866386/effects-of-orally-self-administered-bath-salt-constituent-3-4-methylenedioxypyrovalerone-mdpv-in-mice
#14
Brenda M Gannon, Lauren N Russell, Meet S Modi, Kenner C Rice, William E Fantegrossi
Synthetic cathinones in bath salts products are psychostimulant drugs of abuse, and 3,4-methylenedioxypyrovalerone (MDPV) is a common constituent of these products. Oral MDPV has been show to stimulate locomotor activity but reinforcing, locomotor and appetitive stimulus effects of oral MDPV are unknown. Choice procedures evaluated preference for 0.03, 0.10, 0.30, and 1.00mg/mL MDPV solutions versus 0.10mg/mL quinine solution or water. To verify that oral MDPV produced pharmacological effects, locomotor activity was monitored during and after consumption of water, quinine, or MDPV solutions...
October 1, 2017: Drug and Alcohol Dependence
https://www.readbyqxmd.com/read/28829393/effect-of-mg-on-the-microstructure-and-corrosion-resistance-of-the-continuously-hot-dip-galvanizing-zn-mg-coating
#15
Anping Dong, Baoping Li, Yanling Lu, Guoliang Zhu, Hui Xing, Da Shu, Baode Sun, Jun Wang
The microstructure of continuously hot-dip galvanizing Zn-Mg coating was investigated in order to obtain the mechanism of the effects of Mg on the corrosion resistance. In this paper, the vertical section of the Zn-0.20 wt % Al-Mg ternary phase diagram near the Al-low corner was calculated. The results indicates that the phase composition of the Zn-0.20 wt % Al-Mg ternary phase diagram near the Al-low corner is the same as Zn-Mg binary phase diagram, suggesting Al in the Zn-Mg (ZM) coatings mainly concentrates on the interfacial layer between the coating and steel substrate...
August 22, 2017: Materials
https://www.readbyqxmd.com/read/28813207/examination-of-synthetic-cannabinoid-and-cathinone-use-among-a-drug-using-offender-sample-2013-2015
#16
Kirsten Elin Smith, Amanda M Bunting, Michele Staton, Robert Walker, Sara Shalash, Erin Winston, Kevin Pangburn
Use of novel psychoactive substances (NPS) such as synthetic cannabinoids (e.g., "Spice," "Serenity") and cathinones (e.g., "bath salts") has proliferated in recent years; however, there is a gap in research examining prevalence among offender samples. This study examined demographics, drug use, mental health characteristics, and criminal histories of NPS users compared to non-NPS users within an offender sample entering drug treatment. Using logistic regression analysis, combined 2013-2015 assessment data were examined (N = 8,791)...
August 16, 2017: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/28811192/relative-reinforcing-effects-of-second-generation-synthetic-cathinones-acquisition-of-self-administration-and-fixed-ratio-dose-response-curves-in-rats
#17
REVIEW
Brenda M Gannon, Kayla I Galindo, Melson P Mesmin, Agnieszka Sulima, Kenner C Rice, Gregory T Collins
"Bath salts" preparations contain synthetic cathinones which interact with monoamine transporters and function as either monoamine uptake inhibitors or releasers. 3,4-Methylenedioxypyrovalerone (MDPV), 3,4-methylenedioxymethcathinone (methylone), and 4-methylmethcathinone (mephedrone) were three of the most common cathinones (i.e., "first-generation" cathinones); however, after the US Drug Enforcement Administration placed them under Schedule I regulations, they were replaced with structurally related cathinones that were not subject to regulations (i...
August 12, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28811141/the-pharmacokinetic-profile-of-synthetic-cathinones-in-a-pregnancy-model
#18
Lauren G Strange, Kerri Kochelek, Robert Keasling, Stacy D Brown, Brooks B Pond
In recent years, the abuse of synthetic cathinones or 'bath salts' has become a major public health concern. Although these compounds were initially sold legally and labeled "not for human consumption", the 'bath salts' are psychostimulants, with similar structures and pharmacologic mechanisms to cocaine, the amphetamines, and 3,4 methylendioxymethamphetamine (MDMA, Molly, or Ecstasy). The reported use of these substances by women of child-bearing age highlights the necessity of studies seeking to delineate risks of prenatal exposure...
August 12, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28777688/attitudes-and-beliefs-about-new-psychoactive-substance-use-among-electronic-dance-music-party-attendees
#19
Joseph J Palamar, Patricia Acosta, Charles M Cleland
BACKGROUND: Attitudes and beliefs about drug use have been shown to be robust correlates of use of drugs such as alcohol, marijuana, and cocaine; however, little is known regarding attitudes or beliefs about new psychoactive substances (NPS). We sought to examine attitudes and beliefs about NPS and how they relate to self-reported use in a high-risk population-electronic dance music (EDM) party attendees. METHOD: 1,048 individuals (age 18-40) were surveyed entering EDM parties in New York City in 2016...
August 4, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28753045/an-internet-based-survey-of-96-german-speaking-users-of-bath-salts-frequent-complications-risky-sexual-behavior-violence-and-delinquency
#20
Sabrina Schmoll, Katrin Romanek, Raphael Stich, Elias Bekka, Jochen Stenzel, Stefanie Geith, Florian Eyer, Christian Rabe
OBJECTIVE: To define the demographics of German-speaking "bath salt" users. DESIGN: Prospective web-based survey of volunteer users of "bath salts". Subject recruitment/exclusion: Participation was solicited by posts in web forums frequented by users of synthetic cathinones. An invitation to participate was also disseminated via regional drug information centers. Responses were discarded if participants refused data analysis, provided incomplete surveys, were under 18 years of age (five cases), and in case of clearly improbable answers (i...
July 28, 2017: Clinical Toxicology
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