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https://www.readbyqxmd.com/read/28830122/an-lc-ms-ms-method-for-the-analysis-of-carfentanil-3-methylfentanyl-2-furanyl-fentanyl-acetyl-fentanyl-fentanyl-and-norfentanyl-in-postmortem-and-impaired-driving-cases
#1
Szabolcs Sofalvi, Harold E Schueler, Eric S Lavins, Claire K Kaspar, Ian T Brooker, Carrie D Mazzola, David Dolinak, Thomas P Gilson, Steve Perch
In July of 2016, carfentanil (CF) emerged in Northeast Ohio resulting in over 25 deaths within a 30-day period. A total of 125 deaths have occurred in Summit County and Cuyahoga County has reported 40 deaths, relating to the presence of CF either alone, or in combinations with heroin and fentanyl. Prior to this surge in CF cases, positive fentanyl enzyme-linked immunosorbent assay (ELISA) screening results were increasing in number. Many were negative for fentanyl confirmation by gas chromatography-mass spectrometry...
July 1, 2017: Journal of Analytical Toxicology
https://www.readbyqxmd.com/read/28829936/preemptive-use-of-naproxen-on-tooth-sensitivity-caused-by-in-office-bleaching-a-triple-blind-crossover-randomized-clinical-trial
#2
M T Fernandes, S C Vaez, C M Lima, F P Nahsan, A D Loguércio, A L Faria-E-Silva
OBJECTIVES: A triple-blind, randomized, crossover clinical trial evaluated prior use of nonsteroidal anti-inflammatory naproxen on sensitivity reported by patients undergoing in-office tooth bleaching. METHODS AND MATERIALS: Fifty patients were subjected to two sessions of in-office tooth bleaching with 35% hydrogen peroxide in a single application of 40 minutes for two sessions, with an interval of seven days between applications. One hour prior to the procedure, each patient randomly received a single dose of naproxen (500 mg) or placebo...
September 2017: Operative Dentistry
https://www.readbyqxmd.com/read/28829893/first-cytotoxic-genotoxic-and-antigenotoxic-assessment-of-euterpe-oleracea-fruit-oil-a%C3%A3-a%C3%A3-in-cultured-human-cells
#3
E S Marques, M S F Tsuboy, J C T Carvalho, P C P Rosa, F F Perazzo, I O M Gaivão, E L Maistro
Euterpe oleracea Mart., popularly known as "açaí", is a tropical fruit from the Amazon region where it has considerable economic importance. Açaí has been used as food and for several medicinal purposes. Despite the widespread use of this fruit, there is a lack of data regarding the safety of using this fruit oil exclusively. Therefore, we evaluated the in vitro cytotoxic, genotoxic, and antigenotoxic effects of E. oleracea fruit oil (EOO) in cultured human lymphocytes (non-metabolizing cells) and HepG2 cell line (human hepatoma) (metabolizing cells) by using MTT, comet, and micronucleus assays...
August 17, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28829889/stability-of-annual-biomass-energy-production-of-elephant-grass-pennisetum-purpureum-schum-genotypes-in-the-northern-region-of-the-rio-de-janeiro-state-brazil
#4
M S B Araújo, R F Daher, B R S Menezes, G A Gravina, V B Silva, A T Amaral Júnior, E V Rodrigues, B O Almeida, N J Ponciano
The objectives of this study were to estimate the stability of dry biomass production of elephant grass genotypes under an annual harvest regime, in soil-climatic conditions of the Northern region of the Rio de Janeiro State, Brazil, and to compare methodologies for stability analyses of Yates and Cochran (YC), Plaisted and Peterson (PP), Annicchiarico (ANN), Lin and Binns (LB), Huenh (HU), and Kang and Phan (KP). A randomized block design with 83 treatments and two replicates was adopted. Four annual harvests were performed (2012-2015) and dry matter yield (DMY, t...
August 17, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28829615/three-dimensional-3-d-ferromagnetic-network-of-mn12-single-molecule-magnets-subtle-environmental-effects-and-switching-to-antiferromagnetic
#5
Adeline D Fournet, Kylie J Mitchell, Wolfgang Wernsdorfer, Khalil A Abboud, George Christou
A new member of the Mn12 family of single-molecule magnets (SMMs) has been prepared and found to be the first of this family to give a 3-D ferromagnetic network. [Mn12O12(O2CC6H4-p-F)16(H2O)4] (2) was prepared by carboxylate substitution on the acetate derivative with p-F-benzoic acid and crystallizes as 2·8MeCN in space group I4̅2m with extensive formation of intermolecular C-H···F hydrogen-bonding. The latter leads to a combination of ferromagnetic (F) and antiferromagnetic (AF) interactions and an overall F network that gives a χMT value at low T that is abnormally high for an S = 10 ground state...
August 22, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28829330/perception-of-educational-environment-among-undergraduate-students-of-health-disciplines-in-an-iranian-university
#6
Arezou Farajpour, S Mohammad Ali Raisolsadat, Samaneh S Moghadam, Zahra Mostafavian
Objectives: This paper seeks to determine the perception of Medical, Nursing and Midwifery students about their educational environment and compare their perceptions in terms of disciplines, demographic attributes and academic level. Methods: In this cross-sectional study, Medical, Nursing and Midwifery students in Islamic Azad University, Mashhad, Iran, were selected using stratified random sampling method (N=378). They completed the standard Persian version of Dundee Ready Education Environment Measure (DREEM) questionnaire...
August 18, 2017: International Journal of Medical Education
https://www.readbyqxmd.com/read/28829159/early-onset-bipolar-disorder-characteristics-and-outcomes-in-the-clinic
#7
Daniel F Connor, Julian D Ford, Geraldine S Pearson, Victoria L Scranton, Asha Dusad
OBJECTIVE: To assess patient characteristics and clinician-rated outcomes for children diagnosed with early-onset bipolar disorder in comparison to a depressive disorders cohort from a single clinic site. To assess predictors of bipolar treatment response. METHODS: Medical records from 714 consecutive pediatric patients evaluated and treated at an academic tertiary child and adolescent psychiatry clinic between 2006 and 2012 were reviewed. Charts of bipolar children (n = 49) and children with depressive disorders (n = 58) meeting study inclusion/exclusion criteria were compared on variables assessing clinical characteristics, treatments, and outcomes...
August 22, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28829000/diversity-and-host-specificity-of-monogenean-gill-parasites-platyhelminthes-of-cichlid-fishes-in-the-bangweulu-mweru-ecoregion
#8
M W P Jorissen, A Pariselle, T Huyse, E J Vreven, J Snoeks, F A M Volckaert, A Chocha Manda, G Kapepula Kasembele, T Artois, M P M Vanhove
This study represents the first exploration of the parasite fauna of cichlid fishes in the Mweru-Luapula subregion (Central Africa). Twelve species of cichlids and 14 species of Monogenea from three genera (Cichlidogyrus, Gyrodactylus and Scutogyrus) were collected. We present a first record of the gill parasite fauna of eight host species, Oreochromis mweruensis, Orthochromis sp. 'Mambilima', Sargochromis mellandi, Serranochromis angusticeps, S. stappersi, S. thumbergi and Tylochromis mylodon. The host range of ten parasite species was expanded...
August 22, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28828244/freeze-thaw-decellularization-of-the-trabecular-meshwork-in-an-ex-vivo-eye-perfusion-model
#9
Yalong Dang, Susannah Waxman, Chao Wang, Adrianna Jensen, Ralitsa T Loewen, Richard A Bilonick, Nils A Loewen
OBJECTIVE: The trabecular meshwork (TM) is the primary substrate of outflow resistance in glaucomatous eyes. Repopulating diseased TM with fresh, functional TM cells might be a viable therapeutic approach. Decellularized TM scaffolds have previously been produced by ablating cells with suicide gene therapy or saponin, which risks incomplete cell removal or dissolution of the extracellular matrix, respectively. We hypothesized that improved trabecular meshwork cell ablation would result from freeze-thaw cycles compared to chemical treatment...
2017: PeerJ
https://www.readbyqxmd.com/read/28828168/the-long-term-outcome-of-pediatric-kidney-transplantation-in-iran-results-of-a-25-year-single-center-cohort-study
#10
G Naderi, A Latif, S Karimi, F Tabassomi, S T Esfahani
BACKGROUND: Kidney transplantation is the optimal treatment for end-stage renal disease in children. However, long-term graft survival has not significantly improved among pediatric patients. OBJECTIVE: To investigate the determinants of long-term graft survival among Iranian pediatric recipients of kidney transplantation. METHODS: In a single-center cohort study, we studied 314 pediatric kidney transplantations performed from 1989 to 2013 at Dr...
2017: International Journal of Organ Transplantation Medicine
https://www.readbyqxmd.com/read/28827975/architecture-and-transport-properties-of-multifilamentary-mgb2-strands-for-mri-and-low-ac-loss-applications
#11
F Wan, M D Sumption, M A Rindfleisch, M J Tomsic, E W Collings
Standard in-situ type MgB2 strands manufactured by Hyper Tech Inc have 19 - 36 subelements, a monel outer sheath, and a Cu interfilamentary matrix. Typical transport Jc s of the strands are 2×10(5) A/cm(2) with n-values of 20 - 30 at 4.2 K and 5 T. This work introduces two new MgB2 conductor designs. First, a new class of MgB2 strand is designed for magnetic resonance imaging applications. This type has a higher Cu content designed to enhance protection of a magnet wound with it, and a larger diameter to increase the critical current...
June 2017: IEEE Transactions on Applied Superconductivity: a Publication of the IEEE Superconductivity Committee
https://www.readbyqxmd.com/read/28827815/in-vivo-production-of-non-glycosylated-recombinant-proteins-in-nicotiana-benthamiana-plants-by-co-expression-with-endo-%C3%AE-n-acetylglucosaminidase-h-endo-h-of-streptomyces-plicatus
#12
Tarlan Mamedov, Kader Cicek, Burcu Gulec, Rifat Ungor, Gulnara Hasanova
A plant transient expression system, with eukaryotic post-translational modification machinery, offers superior efficiency, scalability, safety, and lower cost over other expression systems. However, due to aberrant N-glycosylation, this expression system may not be a suitable expression platform for proteins not carrying N-linked glycans in the native hosts. Therefore, it is crucial to develop a strategy to produce target proteins in a non-glycosylated form while preserving their native sequence, conformation and biological activity...
2017: PloS One
https://www.readbyqxmd.com/read/28827745/establishing-pnb-qpcr-for-quantifying-minimal-ctdna-concentrations-during-tumour-resection
#13
T Ehlert, S Tug, A Brahmer, V Neef, F Heid, C Werner, B Jansen-Winkeln, W Kneist, H Lang, I Gockel, P Simon
The analysis of blood plasma or serum as a non-invasive alternative to tissue biopsies is a much-pursued goal in cancer research. Various methods and approaches have been presented to determine a patient's tumour status, chances of survival, and response to therapy from serum or plasma samples. We established PNB-qPCR (Pooled, Nested, WT-Blocking qPCR), a highly specific nested qPCR with various modifications to detect and quantify minute amounts of circulating tumour DNA (ctDNA) from very limited blood plasma samples...
August 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28826456/chronic-pulmonary-aspergillosis-as-a-cause-of-smear-negative-tb-and-or-tb-treatment-failure-in-nigerians
#14
R O Oladele, N K Irurhe, P Foden, A S Akanmu, T Gbaja-Biamila, A Nwosu, H A Ekundayo, F T Ogunsola, M D Richardson, D W Denning
OBJECTIVE: To evaluate chronic pulmonary aspergillosis (CPA) as an alternative diagnosis of smear-negative tuberculosis (TB) and treatment failure in TB patients in Nigeria. METHODS: We conducted a cross-sectional multicentre survey in human immunodeficiency virus (HIV) positive and negative adult patients at the end of their TB treatment in clinics in Lagos and Ilorin states. All were assessed using clinical examination, chest X-ray (CXR) and aspergillus immunoglobulin G (IgG) serology, and some for sputum fungal culture...
September 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28826426/geospatial-analysis-of-household-spread-of-ebola-virus-in-a-quarantined-village-sierra-leone-2014
#15
B L Gleason, S Foster, G E Wilt, B Miles, B Lewis, K Cauthen, M King, F Bayor, S Conteh, T Sesay, S I Kamara, G Lambert, P Finley, W Beyeler, T Moore, J Gaudioso, P H Kilmarx, J T Redd
We performed a spatial-temporal analysis to assess household risk factors for Ebola virus disease (Ebola) in a remote, severely-affected village. We defined a household as a family's shared living space and a case-household as a household with at least one resident who became a suspect, probable, or confirmed Ebola case from 1 August 2014 to 10 October 2014. We used Geographic Information System (GIS) software to calculate inter-household distances, performed space-time cluster analyses, and developed Generalized Estimating Equations (GEE)...
August 22, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28823094/impact-of-insecticides-used-in-soybean-crops-to-the-egg-parasitoid-telenomus-podisi-hymenoptera-platygastridae
#16
C S Stecca, A F Bueno, A Pasini, D M Silva, K Andrade, D M Zirondi Filho
The objective of this study was to evaluate possible side effects of insecticides used in soybean crops on pupae and adults of the egg parasitoid Telenomus podisi Ashmead (Hymenoptera: Platygastridae) under laboratory conditions. The protocol was adapted from standard methodology stablished by the Pesticides and Beneficial Organisms Working Group of the International Organization for Biological and integrated Control (IOBC) for Trichogramma cacoeciae (Marchal) (Hymenoptera: Trichogrammatidae). All tested benzoylureas, diacylhydrazines, diamides and spinosins as well as pyrethroid beta-cyfluthrin were harmless to T...
August 19, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28822886/concurrent-spectrometry-of-annihilation-radiation-and-characteristic-gamma-rays-for-activity-assessment-of-selected-positron-emitters
#17
S G Dolley, G F Steyn, T J van Rooyen, F Szelecsényi, Z Kovács, C Vermeulen, N P van der Meulen
A method is described to determine the activity of non-pure positron emitters in a radionuclide production environment by assessing the 511keV annihilation radiation concurrently with selected γ-lines, using a single High-Purity Germanium (HPGe) detector. Liquid sources of (22)Na, (52)Fe, (52m)Mn, (61)Cu, (64)Cu, (65)Zn, (66)Ga, (68)Ga, (82)Rb, (88)Y, (89)Zr and (132)Cs were prepared specifically for this study. Acrylic absorbers surrounding the sources ensured that the emitted β(+)-particles could not escape and annihilate away from the source region...
August 1, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28822705/anti-dermatophyte-activity-of-leguminosae-plants-from-southern-brazil-with-emphasis-on-mimosa-pigra-leguminosae
#18
C B de Morais, M Scopel, G P R Pedrazza, F K da Silva, D F Dalla Lana, M L Tonello, S T S Miotto, M M Machado, L F S De Oliveira, A M Fuentefria, J A S Zuanazzi
BACKGROUND: Intensive prophylactic use of antifungals leads to the increase of drug resistance and the need for new and more effective treatments are real. Plants from Leguminosae family are rich in flavonoids, for which numerous biological activities have been described, including antifungal effects. PURPOSE: To screen methanolic extracts from Leguminosae species looking for alternative sources for antifungal agents (anti-dermatophyte and anti-Candida) and their innocuity...
August 16, 2017: Journal de Mycologie Médicale
https://www.readbyqxmd.com/read/28822691/fatal-meningitis-in-swine-after-intrathecal-administration-of-adeno-associated-virus-expressing-syngeneic-interleukin-10
#19
Mark D Unger, Josef Pleticha, James E Collins, Anibal G Armien, Jennifer L Brazzell, Laura K Newman, Lukas F Heilmann, Jodi A Scholz, Timothy P Maus, Andreas S Beutler
Interleukin-10 (IL-10) delivered by intrathecal (i.t.) gene vectors is a candidate investigational new drug (IND) for several chronic neurological disorders such as neuropathic pain. We performed a preclinical safety study of IL-10. A syngeneic large animal model was used delivering porcine IL-10 (pIL-10) to the i.t. space in swine by adeno-associated virus serotype 8 (AAV8), a gene vector that was previously found to be nontoxic in the i.t. space. Unexpectedly, animals became ill, developing ataxia, seizures, and an inability to feed and drink, and required euthanasia...
August 1, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/28822555/influence-of-tumor-size-on-outcomes-following-pelvic-exenteration
#20
B Smith, E L Jones, M Kitano, A L Gleisner, N J Lyell, G Cheng, M D McCarter, S Abdel-Misih, F J Backes
OBJECTIVE: Pelvic exenteration (PE) is often the only curative option for locally advanced or recurrent pelvic malignancies. Despite radical surgery, recurrence risk and morbidity remain high. In this study, we sought to determine tumor size effect on perioperative outcomes and subsequent survival in patients undergoing PE. METHODS: Retrospective chart review was performed for female patients who underwent PE at two comprehensive cancer centers from 2000 to 2015...
August 16, 2017: Gynecologic Oncology
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