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https://www.readbyqxmd.com/read/28543168/a-new-tool-to-tackle-the-opioid-epidemic-description-utility-and-results-from-the-maine-diversion-alert-program
#1
Brian J Piper, Clare E Desrosiers, Harriet C Fisher, Kenneth L McCall, Stephanie D Nichols
STUDY OBJECTIVE: The opioid epidemic continues to impact the United States, and new strategies are needed to combat this epidemic. The objective of this study was to analyze 2015 drug arrest data from Maine's Diversion Alert program (diversionalert. org), compare arrest data between the first quarters of 2015 and 2016, and provide an analysis of the sex differences in the arrests as well as information about DA use. STUDY DESIGN: A population-based, descriptive study using data from the Maine Diversion Alert Program...
May 19, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28542788/saturated-salt-solution-a-further-step-to-a-formaldehyde-free-embalming-method-for-veterinary-gross-anatomy
#2
M Lombardero, M M Yllera, A Costa-E-Silva, M J Oliveira, P G Ferreira
In the field of veterinary anatomy, most of the specimens used in practical sessions are perfused with fixatives. Thus, they can be used for a longer time, reducing the number of animals for educational purposes. Formalin is the most commonly used fixative, consisting of a 37% formaldehyde solution. However, formaldehyde is a powerful irritant of the eyes and airways and is considered carcinogenic, causing nasopharyngeal cancer in exposed workers and professionals. In the present study, we explored an alternative method to avoid the use of formaldehyde in specimens used for gross anatomy practical sessions...
May 24, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28506835/impact-of-common-clandestine-structural-modifications-on-synthetic-cathinone-bath-salt-pharmacokinetics
#3
Gregory G Grecco, David F Kisor, Joseph S Magura, Jon E Sprague
Since 2009, the synthetic cathinones ("bath salts") have risen in popularity as drugs of abuse. However, there are a paucity of studies that have determined the impact of functional group modifications in the synthetic cathinone chemical structures on plasma and central nervous system (CNS) pharmacokinetics. In the present study, we investigated the in vivo plasma and CNS pharmacokinetics of three synthetic cathinones whose structures differ by lengthening of the α-alkyl chain: methylone (-CH3), butylone (-CH2CH3), and pentylone (-CH2CH2CH3)...
May 12, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28501162/solidification-of-floating-organic-droplet-in-dispersive-liquid-liquid-microextraction-as-a-green-analytical-tool
#4
REVIEW
Fotouh R Mansour, Neil D Danielson
Dispersive liquid-liquid microextraction (DLLME) is a special type of microextraction in which a mixture of two solvents (an extracting solvent and a disperser) is injected into the sample. The extraction solvent is then dispersed as fine droplets in the cloudy sample through manual or mechanical agitation. Hence, the sample is centrifuged to break the formed emulsion and the extracting solvent is manually separated. The organic solvents commonly used in DLLME are halogenated hydrocarbons that are highly toxic...
August 1, 2017: Talanta
https://www.readbyqxmd.com/read/28485987/assessing-self-reported-use-of-new-psychoactive-substances-the-impact-of-gate-questions
#5
Joseph J Palamar, Patricia Acosta, Fermín Fernández Calderón, Scott Sherman, Charles M Cleland
BACKGROUND: New psychoactive substances (NPS) continue to emerge; however, few surveys of substance use ask about NPS use. Research is needed to determine how to most effectively query use of NPS and other uncommon drugs. OBJECTIVE: To determine whether prevalence of self-reported lifetime and past-year use differs depending on whether or not queries about NPS use are preceded by "gate questions." Gate questions utilize skip-logic, such that only a "yes" response to the use of specific drug class is followed by more extensive queries of drug use in that drug class...
May 9, 2017: American Journal of Drug and Alcohol Abuse
https://www.readbyqxmd.com/read/28456284/resolution-of-isomeric-new-designer-stimulants-using-gas-chromatography-vacuum-ultraviolet-spectroscopy-and-theoretical-computations
#6
Ludovit Skultety, Petr Frycak, Changling Qiu, Jonathan Smuts, Lindsey Shear-Laude, Karel Lemr, James X Mao, Peter Kroll, Kevin A Schug, Angelica Szewczak, Cory Vaught, Ira Lurie, Vladimir Havlicek
Distinguishing isomeric representatives of "bath salts", "plant food", "spice", or "legal high" remains a challenge for analytical chemistry. In this work, we used vacuum ultraviolet spectroscopy combined with gas chromatography to address this issue on a set of forty-three designer drugs. All compounds, including many isomers, returned differentiable vacuum ultraviolet/ultraviolet spectra. The pair of 3- and 4-fluoromethcathinones (m/z 181.0903), as well as the methoxetamine/meperidine/ethylphenidate (m/z 247...
June 8, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28444659/new-psychoactive-substances-nps-a-challenge-for-the-addiction-treatment-services
#7
Norbert Scherbaum, F Schifano, Udo Bonnet
Over the last few years, hundreds of new psychoactive substances (NPS) have been identified in Europe. Apart from some herbal compounds, NPS mainly include synthetic cannabinoids and a range of new synthetic stimulants (e. g., cathinones). Synthetic NPS are often developed whilst modifying the basic chemical (e. g., phenethylamine or tryptamine) structure. Although the pharmacology and toxicology of most NPS are hardly known, they are being offered, especially online, as "bath salts," as "incense mixtures," or under other misleading labels...
May 2017: Pharmacopsychiatry
https://www.readbyqxmd.com/read/28433504/intensification-of-ultrasonic-assisted-crude-oil-demulsification-based-on-acoustic-field-distribution-data
#8
Matheus F Pedrotti, Michele S P Enders, Leticia S F Pereira, Marcia F Mesko, Erico M M Flores, Cezar A Bizzi
Water removal is an essential step during crude oil production due to several problems such as increased transportation costs and high corrosion rate due to dissolved salts. Indirect low frequency ultrasonic energy (US), using baths, has been recently proposed as an effective alternative for crude oil demulsification. However, the reactor position during sonication and its influence on the demulsification efficiency for crude oil has not been evaluated. In this sense, the aim of this study was to develop an automated system based on an open source hardware for mapping the acoustic field distribution in an US bath operating at 35kHz using a hydrophone...
April 2, 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28428739/high-salt-intake-augments-excitability-of-pvn-neurons-in-rats-role-of-the-endoplasmic-reticulum-ca-2-store
#9
Robert A Larson, Andrew D Chapp, Le Gui, Michael J Huber, Zixi Jack Cheng, Zhiying Shan, Qing-Hui Chen
High salt (HS) intake sensitizes central autonomic circuitry leading to sympathoexcitation. However, its underlying mechanisms are not fully understood. We hypothesized that inhibition of PVN endoplasmic reticulum (ER) Ca(2+) store function would augment PVN neuronal excitability and sympathetic nerve activity (SNA). We further hypothesized that a 2% (NaCl) HS diet for 5 weeks would reduce ER Ca(2+) store function and increase excitability of PVN neurons with axon projections to the rostral ventrolateral medulla (PVN-RVLM) identified by retrograde label...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28427995/conditioned-taste-avoidance-conditioned-place-preference-and-hyperthermia-induced-by-the-second-generation-bath-salt-%C3%AE-pyrrolidinopentiophenone-%C3%AE-pvp
#10
Katharine H Nelson, Briana J Hempel, Matthew M Clasen, Kenner C Rice, Anthony L Riley
BACKGROUND: α-Pyrrolidinopentiophenone (α-PVP) has been reported to be rewarding in a variety of pre-clinical models. Given that a number of drugs of abuse have both rewarding and aversive effects, the balance of which influences addiction potential, the present study examined the aversive properties of α-PVP by assessing its ability to induce taste avoidance. This assessment was made in a combined taste avoidance/place conditioning design that also allowed an evaluation of the relationship between α-PVP's aversive and rewarding effects...
April 17, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28396142/atypical-binding-at-dopamine-and-serotonin-transporters-contribute-to-the-discriminative-stimulus-effects-of-mephedrone
#11
Alyssa F DeLarge, Laura L Erwin, Peter J Winsauer
Mephedrone (4-methylmethcathinone), a constituent of the recreational substances known as "bath salts", is a synthetic cathinone that can produce auditory and visual hallucinations, as well as problematic cardiovascular effects. This study compared the discriminative stimulus effects of mephedrone (0.32-10 mg/kg) with other prototypical drugs of abuse: cocaine (0.56-32 mg/kg), d-amphetamine (0.18-3.2 mg/kg), ketamine (1.8-18 mg/kg), phencyclidine (PCP, 1-5.6 mg/kg), heroin (1-10 mg/kg), 2,5-dimethoxy-4-iodoamphetamine (R-DOI, 0...
April 7, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28367551/interactions-between-charged-particles-with-bathing-multivalent-counterions-experiments-vs-dressed-ion-theory
#12
Matej Kanduč, Mohsen Moazzami-Gudarzi, Valentina Valmacco, Rudolf Podgornik, Gregor Trefalt
We compare the recent experimentally measured forces between charged colloidal particles, as well as their effective surface potentials (surface charge) in the presence of multivalent counterions in a bathing monovalent salt solution, with the predictions of the dressed ion theory of strongly charged colloidal systems. The benchmark for comparison is provided by the DLVO theory and the deviations from its predictions at small separations are taken as an indication of the additional non-DLVO attractions that can be fitted by an additional phenomenological exponential term...
April 12, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28362414/preparation-and-observation-of-thick-biological-samples-by-scanning-transmission-electron-tomography
#13
Sylvain Trépout, Philippe Bastin, Sergio Marco
This report describes a protocol for preparing thick biological specimens for further observation using a scanning transmission electron microscope. It also describes an imaging method for studying the 3D structure of thick biological specimens by scanning transmission electron tomography. The sample preparation protocol is based on conventional methods in which the sample is fixed using chemical agents, treated with a heavy atom salt contrasting agent, dehydrated in a series of ethanol baths, and embedded in resin...
March 12, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28331910/traditional-practices-adopted-by-jordanian-mothers-when-caring-for-their-infants-in-rural-areas
#14
Ahmad Yahya Al-Sagarat, Amani Al-Kharabsheh
BACKGROUND: Traditional practices are commonly present within the Jordanian society, especailly those concerned with infant's care. Some of these practices might be harmful and thus health professioanls are required to substitute these practices with safe and healthy ones. The goal of this study is to determine the traditional practices adopted by Jordanian mothers when caring for their infants in rural areas. MATERIALS AND METHODS: A descriptive study design using qualitative method was utilized in this study...
2017: African Journal of Traditional, Complementary, and Alternative Medicines: AJTCAM
https://www.readbyqxmd.com/read/28284383/tubulointerstitial-injury-and-drugs-of-abuse
#15
REVIEW
Arani Nanavati, Leal C Herlitz
Drug abuse is widespread in many populations, and patients abusing illicit substances are at a significantly increased risk of kidney injury. The tubulointerstitial compartment is a common target of these nephrotoxic agents. This review will cover some of the common illicit drugs and will focus on the tubulointerstitial injuries seen in the setting of drug abuse. Agents addressed in this review are synthetic cannabinoids, "bath salts," ecstasy, anabolic steroids, inhaled solvents, heroin, and cocaine. The most frequent biopsy findings are those of acute tubular necrosis and acute interstitial nephritis...
March 2017: Advances in Chronic Kidney Disease
https://www.readbyqxmd.com/read/28254034/biphasic-reduction-model-for-predicting-the-impacts-of-dye-bath-constituents-on-the-reduction-of-tris-azo-dye-direct-green-1-by-zero-valent-iron-fe-0
#16
Raja Kumar, Alok Sinha
Influence of common dye-bath additives, namely sodium chloride, ammonium sulphate, urea, acetic acid and citric acid, on the reductive decolouration of Direct Green 1 dye in the presence of Fe(0) was investigated. Organic acids improved dye reduction by augmenting Fe(0) corrosion, with acetic acid performing better than citric acid. NaCl enhanced the reduction rate by its 'salting out' effect on the bulk solution and by Cl(-) anion-mediated pitting corrosion of iron surface. (NH4)2SO4 induced 'salting out' effect accompanied by enhanced iron corrosion by SO4(2-) anion and buffering effect of NH4(+) improved the reduction rates...
February 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28235997/centrifugeless-dispersive-liquid-liquid-microextraction-based-on-salting-out-phenomenon-as-an-efficient-method-for-determination-of-phenolic-compounds-in-environmental-samples
#17
Ehsan Mirparizi, Maryam Rajabi, Mohammad Bazregar, Alireza Asghari
A new centrifugeless dispersive liquid-liquid microextraction (DLLME) method was applied for the convenient extraction of some phenolic compounds from environmental samples. After dispersing the extracting solvent into the sample solution (10.0 mL), the mixture was passed through a small column filled with 5 g sodium chloride. As a result, phase separation was achieved via the salting-out phenomenon, and the extracting solvent was suspended on top of the sample solution. Using a low-toxic and solidifiable extracting solvent (1-dodecanol), after immersing the column into an ice bath, the extracting solvent was solidified, collected easily, and injected into an HPLC-UV instrument...
April 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28212938/the-combined-effects-of-3-4-methylenedioxymethamphetamine-mdma-and-selected-substituted-methcathinones-on-measures-of-neurotoxicity
#18
Nicholas B Miner, James P O'Callaghan, Tamara J Phillips, Aaron Janowsky
The rise in popularity of substituted methcathinones (aka "bath salts") has increased the focus on their neurotoxic effects. Two commonly abused methcathinones, 3,4-methylenedioxymethcathinone (methylone, MDMC) and 3,4-methylenedioxypyrovalerone (MDPV), are often concomitantly ingested with the illicit drug 3,4-methylenedioxymethamphetamine (MDMA). To examine potential neurotoxic effects of these drug combinations, C57BL/6J mice were administered 4 i.p. injection of the drugs, at 2h intervals, either singularly: MDMA 15 or 30mg/kg, methylone 20mg/kg, MDPV 1mg/kg; or in combination: methylone/MDMA 20/15mg/kg, MDPV/MDMA 1/15mg/kg...
February 16, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28183068/electroless-deposition-of-nickel-boron-coatings-using-low-frequency-ultrasonic-agitation-effect-of-ultrasonic-frequency-on-the-coatings
#19
L Bonin, N Bains, V Vitry, A J Cobley
The effect of ultrasound on the properties of Nickel-Boron (NiB) coatings was investigated. NiB coatings were fabricated by electroless deposition using either ultrasonic or mechanical agitation. The deposition of Ni occurred in an aqueous bath containing a reducible metal salt (nickel chloride), reducing agent (sodium borohydride), complexing agent (ethylenediamine) and stabilizer (lead tungstate). Due to the instability of the borohydride in acidic, neutral and slightly alkaline media, pH was controlled at pH 12±1 in order to avoid destabilizing the bath...
May 2017: Ultrasonics
https://www.readbyqxmd.com/read/28179474/individual-differences-in-the-relative-reinforcing-effects-of-3-4-methylenedioxypyrovalerone-under-fixed-and-progressive-ratio-schedules-of-reinforcement-in-rats
#20
Brenda M Gannon, Kayla I Galindo, Kenner C Rice, Gregory T Collins
The recreational use of designer drugs, including synthetic cathinones (bath salts), is associated with high levels of abuse and toxicity, and represents a growing threat to public health. 3,4-Methylenedioxypyrovalerone (MDPV) is a cocaine-like monoamine uptake inhibitor, and one of the most widely available and abused synthetic cathinones. The present study used male Sprague-Dawley rats to directly compare: (1) the acquisition of responding for MDPV and cocaine under a fixed ratio (FR) 1 schedule of reinforcement; (2) full dose-response curves for MDPV and cocaine under a FR5 schedule; and (3) progressive ratio (PR) schedules of reinforcement...
April 2017: Journal of Pharmacology and Experimental Therapeutics
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