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https://www.readbyqxmd.com/read/28214370/the-effect-of-pre-operative-submucosal-administration-of-tramadol-on-the-success-rate-of-inferior-alveolar-nerve-blocks-on-mandibular-molars-with-acute-irreversible-pulpitis-a-randomized-double-blind-clinical-trial
#1
A De Pedro-Muñoz, J Mena-Álvarez
AIM: This randomized, double-blind, placebo controlled, clinical trial was designed to improve the success of inferior alveolar nerve blocks (IANB) in mandibular molars with symptomatic irreversible pulpitis (SIP) by means of pre-operative submucosal administration of 50mg tramadol. METHODOLOGY: Forty-two patients with a mandibular molar diagnosed with symptomatic irreversible pulpitis took part in the trial. Patients were assigned randomly to one of two groups: tramadol group (n=21), who received 50mg tramadol in 1mL by mandibular infiltration, and a placebo group (n=21), who received 1 mL of normal saline administered to the affected tooth by the same means...
February 18, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28214180/a-successful-experience-of-the-iranian-blood-transfusion-organization-in-improving-accessibility-and-affordability-of-plasma-derived-medicine
#2
REVIEW
Azita Chegini, Seyed Ardeshir Torab, Ali Akbar Pourfatollah
Plasma is the liquid part of blood. It is estimated 21.6 million liters of plasma collect from Whole blood annually. From these plasma, 4.2 million liters transfuse, 8.1 million liters fractionate, 9.3 million liters waste. Nowadays, blood products and PDM (plasma derived medicine) consider as essential medicine in modern health care and transfusion medicine. Iranian blood transfusion organization as a non-profit organization was established in 1974 in order to centralize all blood transfusion activities from donor recruitment to distribution of blood components to hospitals...
January 4, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28212894/exogenous-thyroid-hormones-regulate-the-activity-of-citrate-synthase-and-cytochrome-c-oxidase-in-warm-but-not-cold-acclimated-lake-whitefish-coregonus-clupeaformis
#3
Megan A Zak, Amy M Regish, Stephen D McCormick, Richard G Manzon
Thermal acclimation is known to elicit metabolic adjustments in ectotherms, but the cellular mechanisms and endocrine control of these shifts have not been fully elucidated. Here we examined the relationship between thermal acclimation, thyroid hormones and oxidative metabolism in juvenile lake whitefish. Impacts of thermal acclimation above (19 °C) or below (8 °C) the thermal optimum (13 °C) and exposure to exogenous thyroid hormone (60 µg T4/g body weight) were assessed by quantifying citrate synthase and cytochrome c oxidase activities in liver, red muscle, white muscle and heart...
February 14, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28212883/nonlinear-relationship-between-extreme-temperature-and-mortality-in-different-temperature-zones-a-systematic-study-of-122-communities-across-the-mainland-of-china
#4
Chenzhi Wang, Zhao Zhang, Maigeng Zhou, Lingyan Zhang, Peng Yin, Wan Ye, Yi Chen
BACKGROUND: Numerous previous studies have reported that human health risk is extremely sensitive to temperature. Very few studies, however, have characterized the relationship between temperature and mortality in different temperature zones due to the previous conclusions deduced from a regional or administrative division. A research covers different temperature zones was indispensable to have a comprehensive understanding of regional ambient temperature effect on public health. METHODS: Based on the mortality dataset and meteorological variables of 122 communities in China from 2007 to 2012, a distributed lag nonlinear model (DLNM) was utilized to estimate the temperature effect on non-accidental mortality at the community level...
February 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28212671/an-adaptive-variant-of-trib2-rs1057001-is-associated-with-higher-expression-levels-of-thermogenic-genes-in-human-subcutaneous-and-visceral-adipose-tissues
#5
Kazuhiro Nakayama, Sadahiko Iwamoto
BACKGROUND: An obesity-related single-nucleotide polymorphism (SNP) of the Tribbles pseudokinase 2 gene (TRIB2) was shown to have underwent adaptive evolution in the last glacial period, suggesting a selective advantage of this SNP in human populations in cold environments. In order to verify this hypothesis, the effect of the TRIB2 SNP on the expression of genes involved in adaptive thermogenesis was tested using messenger RNAs prepared from adipose tissues of Japanese adults. METHODS: Complementary DNA was prepared from subcutaneous adipose tissues (SAT) and visceral adipose tissues (VAT) obtained from 48 Japanese adults...
February 17, 2017: Journal of Physiological Anthropology
https://www.readbyqxmd.com/read/28212635/impact-of-semi-solid-formulations-on-skin-penetration-of-iron-oxide-nanoparticles
#6
Umberto M Musazzi, Benedetta Santini, Francesca Selmin, Valentina Marini, Fabio Corsi, Raffaele Allevi, Anna M Ferretti, Davide Prosperi, Francesco Cilurzo, Miriam Colombo, Paola Minghetti
BACKGROUND: This work aimed to provide useful information on the incidence of the choice of formulation in semi-solid preparations of iron-oxide nanoparticles (IONs). The appropriate analytical methods to assess the IONs physical stability and the effect of the semi-solid preparations on IONs human skin penetration were discussed. The physical stability of IONs (Dh = 31 ± 4 nm; ζ = -65 ± 5 mV) loaded in five semi-solid preparations (0.3% w/v), namely Carbopol gel (CP), hydroxyethyl cellulose gel (HEC), carboxymethylcellulose gel (CMC), cetomacrogol cream (Cet) and cold cream was assessed by combining DLS and low-field pulsed NMR data...
February 17, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28212588/colorectal-polypectomy-and-endoscopic-mucosal-resection-emr-european-society-of-gastrointestinal-endoscopy-esge-clinical-guideline
#7
Monika Ferlitsch, Alan Moss, Cesare Hassan, Pradeep Bhandari, Jean-Marc Dumonceau, Gregorios Paspatis, Rodrigo Jover, Cord Langner, Maxime Bronzwaer, Kumanan Nalankilli, Paul Fockens, Rawi Hazzan, Ian M Gralnek, Michael Gschwantler, Elisabeth Waldmann, Philip Jeschek, Daniela Penz, Denis Heresbach, Leon Moons, Arnaud Lemmers, Konstantina Paraskeva, Juergen Pohl, Thierry Ponchon, Jaroslaw Regula, Alessandro Repici, Matthew D Rutter, Nicholas G Burgess, Michael J Bourke
1 ESGE recommends cold snare polypectomy (CSP) as the preferred technique for removal of diminutive polyps (size ≤ 5 mm). This technique has high rates of complete resection, adequate tissue sampling for histology, and low complication rates. (High quality evidence, strong recommendation.) 2 ESGE suggests CSP for sessile polyps 6 - 9 mm in size because of its superior safety profile, although evidence comparing efficacy with hot snare polypectomy (HSP) is lacking. (Moderate quality evidence, weak recommendation...
February 17, 2017: Endoscopy
https://www.readbyqxmd.com/read/28212400/surveys-of-public-knowledge-and-attitudes-with-regard-to-antibiotics-in-poland-did-the-european-antibiotic-awareness-day-campaigns-change-attitudes
#8
Beata Mazińska, Izabela Strużycka, Waleria Hryniewicz
BACKGROUND: Antimicrobial resistance is a global public health problem. Monitoring the level of knowledge regarding antibiotics is a part of the European Union Community strategy against antimicrobial resistance. OBJECTIVE: To assess knowledge by the general public in Poland regarding antibiotics, AMR, and the impact of the European Antibiotic Awareness Day campaigns. METHODS: The repeated cross-sectional study was developed and carried out among the general public in Poland (in 5 waves between 2009 and 2011, embracing a total of 5004 respondents)...
2017: PloS One
https://www.readbyqxmd.com/read/28211948/yield-and-cold-storage-of-trichoderma-conidia-is-influenced-by-substrate-ph-and-storage-temperature
#9
Johanna M Steyaert, Anastasia Chomic, Maria Nieto-Jacobo, Artemio Mendoza-Mendoza, Amanda J Hay, Mark Braithwaite, Alison Stewart
In this study we examined the influence of the ambient pH during morphogenesis on conidial yield of Trichoderma sp. "atroviride B" LU132 and T. hamatum LU593 and storage at low temperatures. The ambient pH of the growth media had a dramatic influence on the level of Trichoderma conidiation and this was dependent on the strain and growth media. On malt-extract agar, LU593 yield decreased with increasing pH (3-6), whereas yield increased with increasing pH for LU132. During solid substrate production the reverse was true for LU132 whereby yield decreased with increasing pH...
February 17, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28211726/realization-of-translational-symmetry-in-trapped-cold-ion-rings
#10
Hao-Kun Li, Erik Urban, Crystal Noel, Alexander Chuang, Yang Xia, Anthony Ransford, Boerge Hemmerling, Yuan Wang, Tongcang Li, Hartmut Häffner, Xiang Zhang
We crystallize up to 15 ^{40}Ca^{+} ions in a ring with a microfabricated silicon surface Paul trap. Delocalization of the Doppler laser-cooled ions shows that the translational symmetry of the ion ring is preserved at millikelvin temperatures. By characterizing the collective motion of the ion crystals, we identify homogeneous electric fields as the dominant symmetry-breaking mechanism at this energy scale. With increasing ion numbers, such detrimental effects are reduced. We predict that, with only a ten-ion ring, uncompensated homogeneous fields will not break the translational symmetry of the rotational ground state...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28211709/pt-symmetric-real-dirac-fermions-and-semimetals
#11
Y X Zhao, Y Lu
Recently, Weyl fermions have attracted increasing interest in condensed matter physics due to their rich phenomenology originated from their nontrivial monopole charges. Here, we present a theory of real Dirac points that can be understood as real monopoles in momentum space, serving as a real generalization of Weyl fermions with the reality being endowed by the PT symmetry. The real counterparts of topological features of Weyl semimetals, such as Nielsen-Ninomiya no-go theorem, 2D subtopological insulators, and Fermi arcs, are studied in the PT symmetric Dirac semimetals and the underlying reality-dependent topological structures are discussed...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28211473/mechanisms-driving-variability-in-the-ocean-forcing-of-pine-island-glacier
#12
Benjamin G M Webber, Karen J Heywood, David P Stevens, Pierre Dutrieux, E Povl Abrahamsen, Adrian Jenkins, Stanley S Jacobs, Ho Kyung Ha, Sang Hoon Lee, Tae Wan Kim
Pine Island Glacier (PIG) terminates in a rapidly melting ice shelf, and ocean circulation and temperature are implicated in the retreat and growing contribution to sea level rise of PIG and nearby glaciers. However, the variability of the ocean forcing of PIG has been poorly constrained due to a lack of multi-year observations. Here we show, using a unique record close to the Pine Island Ice Shelf (PIIS), that there is considerable oceanic variability at seasonal and interannual timescales, including a pronounced cold period from October 2011 to May 2013...
February 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28211455/supermode-density-wave-polariton-condensation-with-a-bose-einstein-condensate-in-a-multimode-cavity
#13
Alicia J Kollár, Alexander T Papageorge, Varun D Vaidya, Yudan Guo, Jonathan Keeling, Benjamin L Lev
Phase transitions, where observable properties of a many-body system change discontinuously, can occur in both open and closed systems. By placing cold atoms in optical cavities and inducing strong coupling between light and excitations of the atoms, one can experimentally study phase transitions of open quantum systems. Here we observe and study a non-equilibrium phase transition, the condensation of supermode-density-wave polaritons. These polaritons are formed from a superposition of cavity photon eigenmodes (a supermode), coupled to atomic density waves of a quantum gas...
February 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28211105/joint-reconstruction-of-ictal-inter-ictal-spect-data-for-improved-epileptic-foci-localization
#14
Yothin Rakvongthai, Frederic Fahey, Korn Borvorntanajanya, Supatporn Tepmongkol, Usanee Vutrapongwatana, Katherine Zukotynski, Georges El Fakhri, Jinsong Ouyang
PURPOSE: To improve the performance for localizing epileptic foci, we have developed a joint ictal/inter-ictal SPECT reconstruction method in which ictal and inter-ictal SPECT projections are simultaneously reconstructed to obtain the differential image. METHODS: We have developed a SPECT reconstruction method that jointly reconstructs ictal and inter-ictal SPECT projection data. We performed both phantom and patient studies to evaluate the performance of our joint method for epileptic foci localization as compared with the conventional subtraction method in which the differential image is obtained by subtracting the inter-ictal image from the co-registered ictal image...
February 16, 2017: Medical Physics
https://www.readbyqxmd.com/read/28210951/treatment-of-arctic-wastewater-by-chemical-coagulation-uv-and-peracetic-acid-disinfection
#15
Ravi Kumar Chhetri, Ewa Klupsch, Henrik Rasmus Andersen, Pernille Erland Jensen
Conventional wastewater treatment is challenging in the Arctic region due to the cold climate and scattered population. Thus, no wastewater treatment plant exists in Greenland, and raw wastewater is discharged directly to nearby waterbodies without treatment. We investigated the efficiency of physicochemical wastewater treatment, in Kangerlussuaq, Greenland. Raw wastewater from Kangerlussuaq was treated by chemical coagulation and UV disinfection. By applying 7.5 mg Al/L polyaluminium chloride (PAX XL100), 73% of turbidity and 28% phosphate was removed from raw wastewater...
February 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28210738/highly-efficient-cold-white-light-emission-in-a-au2cucl2-p%C3%A2-n-2-pf6-type-salt
#16
Elnaz Hobbollahi, Manuela List, Benjamin Hupp, Fabian Mohr, Raphael J F Berger, Andreas Steffen, Uwe Monkowius
In the trinuclear, heterometallic cluster compound [Au2CuCl2(P∩N)2]PF6 metallophilic interactions give rise to very efficient cold-white light emission as a result of at least two thermally non-equilibrated emissive triplet states (one of mainly Cu → py and the other of Au → py character, respectively) with exceptional spin-orbit coupling and short emission lifetimes, which are competitive to Pt(II)- and Ir(III)-based emitters.
February 17, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28210439/effect-of-endoactivator-and-er-cr-ysgg-laser-activation-of-qmix-as-final-endodontic-irrigant-on-sealer-penetration-a-confocal-microscopic-study
#17
Sarika Chaudhry, Sudha Yadav, Sangeeta Talwar, Mahesh Verma
BACKGROUND: Through chemomechanical debridement of the root canal is a primary requisite for successful endodontic therapy. Thus the aim of this study was to evaluate the effects of using QmiX alone, QmiX with EndoActivator and QmiX with Er,Cr:YSGG laser for final irrigation on sealer penetration into the dentinal tubules. MATERIAL AND METHODS: 75 extracted human mandibular premolar teeth were treated with sodium hypochlorite (NaOCl) irrigation. The samples were divided into 5 groups according to the final irrigation solution used: (1) 17% EDTA and 2...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210076/potential-role-of-the-gut-microbiota-in-synthetic-torpor-and-therapeutic-hypothermia
#18
REVIEW
Claudia Sisa, Silvia Turroni, Roberto Amici, Patrizia Brigidi, Marco Candela, Matteo Cerri
Therapeutic hypothermia is today used in several clinical settings, among them the gut related diseases that are influenced by ischemia/reperfusion injury. This perspective paved the way to the study of hibernation physiology, in natural hibernators, highlighting an unexpected importance of the gut microbial ecosystem in hibernation and torpor. In natural hibernators, intestinal microbes adaptively reorganize their structural configuration during torpor, and maintain a mutualistic configuration regardless of long periods of fasting and cold temperatures...
January 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28209953/-extracorporeal-partial-nephrectomy-under-pharmaco-cold-ischemia-for-renal-cell-carcinoma
#19
A A Gritskevich, I V Miroshkina, S S Piyanikin, Z A Adyrkhayev, Yu A Stepanova, A E Zotikov, A A Teplov, V A Kubyshkin, A Sh Revishvili
AIM: To develop the method for extracorporeal partial nephrectomy under pharmaco-cold ischemia without ureter intersection with orthotopic replantation of renal vessels for RCC. MATERIAL AND METHODS: The study included 37 patients with morphologically confirmed RCC pT1a-Т3bN0M0-1G1-3 with intraparenchymal and central location of the tumor in cases of single kidney, comorbidity of contralateral kidney and kidney on the side of lesion. RESULTS: Mean surgery time was 413...
2017: Khirurgiia
https://www.readbyqxmd.com/read/28209945/effects-of-static-cold-storage-and-hypothermic-machine-perfusion-on-oxidative-stress-factors-adhesion-molecules-and-zinc-finger-transcription-factor-proteins-before-and-after-liver-transplantation
#20
De-Fang Zhao, Qin Dong, Tong Zhang
BACKGROUND This study aimed to investigate the effects of static cold storage (SCS) and hypothermic machine perfusion (HMP) on the oxidative stress factors (OSF), adhesion molecules (AM), and zinc finger transcription factor (Snail) before and after liver transplantation. MATERIAL AND METHODS Experimental dogs were randomly divided into donor (group A), SCS (group B), and HMP (group C) (n=30) groups. Livers retrieved from group A were transplanted into group B after SCS, and the livers sampled from group B were transplanted into group C after HMP...
February 17, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
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