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https://www.readbyqxmd.com/read/27914326/molecular-interactions-in-high-conductive-gel-electrolytes-based-on-low-molecular-weight-gelator
#1
Michał Bielejewski, Andrzej Łapiński, Oleg Demchuk
Organic ionic gel (OIG) electrolytes, also known as gel electrolytes or ionogels are one example of modern functional materials with the potential to use in wide range of electrochemical applications. The functionality of OIGs arises from the thermally reversible solidification of electrolytes or ionic liquids and their superior ionic conductivity. To understand and to predict the properties of these systems it is important to get the knowledge about the interactions on molecular level between the solid gelator matrix and the electrolyte solution...
November 16, 2016: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/27913269/the-structure-organisation-and-perioperative-management-of-ambulatory-surgery-and-anaesthesia-in-france-methodology-of-the-sfar-opera-study
#2
Pierre Albaladejo, Frédéric Aubrun, Charles-Marc Samama, Laurent Jouffroy, Marc Beaussier, Dan Benhamou, Pauline Romegoux, Kristina Skaare, Jean Luc Bosson, Claude Ecoffey
The organization of health care establishments and perioperative care are essential for ensuring the quality of care and safety of patients undergoing outpatient surgery. In order to correctly inventory these organizations and practices, in 2013-2014, the French Society of Anaesthesia and Intensive Care organized an extensive practical survey in French ambulatory surgery units entitled the "OPERA" study (Organisation PERiopératoire de l'anesthésie en chirurgie Ambulatoire). From among all of the ambulatory surgery centres listed by the Agences Régionales de Santé [Regional Health Agencies, France], 206 public and private centres were randomly selected...
November 29, 2016: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/27913187/molecular-recognition-of-a-lipophilic-guanosine-derivative-in-langmuir-films-at-the-air-water-interface
#3
Lucija Čoga, Lea Spindler, Stefano Masiero, Irena Drevenšek-Olenik
Molecular recognition of a lipophilic deoxyguanosine derivative at the air-water interface was investigated by film balance experiments and Brewster Angle Microscopy. Results showed that guanosine, despite strong tendency towards self-assembly, interacts with both complementary and noncomplementary liponucleosides (lipophilic derivatives of deoxycytidine and deoxythymidine). At surface pressures below 17 mN/m, attractive and repulsive interactions were present in case of both mixed monolayers and were strongest at guanosine molar fractions of 0...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27913138/compared-in-vivo-efficiency-of-nanoemulsions-unloaded-and-loaded-with-calixarene-and-soapy-water-in-the-treatment-of-superficial-wounds-contaminated-by-uranium
#4
Sophie Grivès, Guillaume Phan, Céline Bouvier-Capely, David Suhard, François Rebière, Michelle Agarande, Elias Fattal
No emergency decontamination treatment is currently available in the case of radiological skin contamination by uranium compounds. First responders in the workplace or during an industrial nuclear accident must be able to treat internal contamination through skin. For this purpose, a calixarene nanoemulsion was developed for the treatment of intact skin or superficial wounds contaminated by uranium, and the decontamination efficiency of this nanoemulsion was investigated in vitro and ex vivo. The present work addresses the in vivo decontamination efficiency of this nanoemulsion, using a rat model...
November 29, 2016: Chemico-biological Interactions
https://www.readbyqxmd.com/read/27911402/utilizing-the-ethylene-releasing-compound-2-chloroethylphosphonic-acid-as-a-tool-to-study-ethylene-response-in-bacteria
#5
Richard V Augimeri, Andrew J Varley, Janice L Strap
Ethylene (C2H4) is a gaseous phytohormone that is involved in numerous aspects of plant development, playing a dominant role in senescence and fruit ripening. Exogenous ethylene applied during early plant development triggers the triple response phenotype; a shorter and thicker hypocotyl with an exaggerated apical hook. Despite the intimate relationship between plants and bacteria, the effect of exogenous ethylene on bacteria has been greatly overlooked. This is partly due to the difficulty of controlling gaseous ethylene within the laboratory without specialized equipment...
November 10, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27910772/structural-characterization-and-immunological-activities-of-a-novel-water-soluble-polysaccharide-from-the-fruiting-bodies-of-culinary-medicinal-winter-mushroom-flammulina-velutipes-agaricomycetes
#6
Ting Feng, Wei Jia, Wen-Han Wang, Chi-Chung Lin, Hua Fan, Jing-Song Zhang, Hai-Ying Bao
A water-soluble polysaccharide, designated FVPA2, was isolated from the fruiting bodies of Flammulina velutipes using DEAE Sepharose Fast Flow and gel-permeation chromatography. Its structure was elucidated by monosaccharide composition and methylation analysis, ultraviolet, Fourier transform infrared spectrometry, and nuclear magnetic resonance spectroscopy. Results showed that FVPA2 was a homogeneous heteropolysaccharide containing galactose, fucose, and mannose in a molar ratio of 5:1:1. High-performance liquid chromatography indicated its molecular weight as 3...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910182/catalyst-free-polyhydroboration-of-dodecaborate-yields-highly-photoluminescent-ionic-polyarylated-clusters
#7
Mark W Lee
The incorporation of polyhedral boranes into novel photoluminescent materials is an area with increasing interest. While the neutral carboranes have been widely investigated for this purpose, the dodecaborate ion has received much less attention. Herein we report a significant expansion to the scope of substitution reactions for the dodecaborate ion, whereby this cluster was observed to react directly with a wide range of arenes in a step-wise and controlled manner. In the products of these reactions, the dodecaborate ion serves as a core upon which up to nine mono- or polycyclic aromatic hydrocarbon ligands are exohedrally bonded...
December 2, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27909868/dental-age-estimation-in-the-living-after-completion-of-third-molar-mineralization-new-data-for-gustafson-s-criteria
#8
M Timme, W H Timme, A Olze, C Ottow, S Ribbecke, H Pfeiffer, R Dettmeyer, A Schmeling
There is a need for dental age estimation methods after completion of the third molar mineralization. Degenerative dental characteristics appear to be suitable for forensic age diagnostics beyond the 18th year of life. In 2012, Olze et al. investigated the criteria studied by Gustafson using orthopantomograms. The objective of this study was to prove the applicability and reliability of this method with a large cohort and a wide age range, including older individuals. For this purpose, 2346 orthopantomograms of 1167 female and 1179 male Germans aged 15 to 70 years were reviewed...
December 1, 2016: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/27908672/forensic-age-estimation-in-anti-piracy-trials-in-seychelles-experiences-and-challenges-faced
#9
S A Gunawardena, U A Liyanage, J B Weeratna, N D N A Mendis, H J M Perera, R W Jayasekara, R Fernando
Forensic age estimation (FAE) was conducted using a multifactorial method on thirteen Somali detainees claiming juvenile status during the anti-piracy trials of the Seychelles Supreme Court in 2014/2015. A multidisciplinary team, comprising of four of the authors covering specialties in forensic medicine, forensic odontology and radiology, conducted the FAE using a five-stage protocol. Each detainee was interviewed with an interpreter and examined for disorders affecting dental/skeletal development and for assessment of genital development through Tanner staging...
November 14, 2016: Forensic Science International
https://www.readbyqxmd.com/read/27908555/dental-pathology-of-the-hoary-marmot-marmota-caligata-groundhog-marmota-monax-and-alaska-marmot-marmota-broweri
#10
J N Winer, B Arzi, D M Leale, P H Kass, F J M Verstraete
Museum specimens (maxillae and mandibles) of the three marmot species occurring in Alaska (Marmota caligata [n = 108 specimens], Marmota monax [n = 30] and Marmota broweri [n = 24]) were examined macroscopically according to predefined criteria. There were 71 specimens (43.8%) from female animals, 69 (42.6%) from male animals and 22 (13.6%) from animals of unknown sex. The ages of animals ranged from neonatal to adult, with 121 young adults (74.4%) and 41 adults (25.3%) included, and 168 excluded from study due to neonatal/juvenile age or incompleteness of specimens (missing part of the dentition)...
November 28, 2016: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/27908285/prevalence-and-location-of-the-secondary-mesiobuccal-canal-in-1-100-maxillary-molars-using-cone-beam-computed-tomography
#11
Pablo Betancourt, Pablo Navarro, Gonzalo Muñoz, Ramón Fuentes
BACKGROUND: Several articles have used cone beam computed tomography (CBCT) to study the morphology of the maxillary molars and to ascertain its ability to visualize the second mesiobuccal canal (MB2); however, its geometric location has not been examined in depth. The aim of this study was to describe in vivo the prevalence and location of the MB2 in the mesiobuccal root of the first maxillary molar (1MM) and the second maxillary molar (2MM) through CBCT imaging. METHODS: Five hundred fifty CBCT images of the 1MM and 550 of the 2MM were analyzed...
December 1, 2016: BMC Medical Imaging
https://www.readbyqxmd.com/read/27908245/perfect-hemihedral-twinning-in-crystals-of-the-%C3%AE-subunit-of-translation-initiation-factor-2-from-sulfolobus-solfataricus-cause-and-effect
#12
O V Kravchenko, O S Nikonov, N A Nevskaya, E A Stolboushkina, V I Arkhipova, M B Garber, S V Nikonov
The crystal structure of the γ-subunit of translation initiation factor 2 from the archaeon Sulfolobus solfataricus (SsoIF2γ) has been solved based on perfectly hemihedral twinned data. The protein was cocrystallized with the 10-fold molar excess of GTP analog (GDPCP) over protein. However, no nucleotide was found in the structure, and the model demonstrated the apo form of the protein. Two slightly different molecules in the asymmetric unit of the crystal are related by the non-crystallographic 2-fold axis and form a tightly associated dimer...
October 2016: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/27907239/dental-age-estimation-pattern-recognition-of-root-canal-widths-of-mandibular-molars-a-novel-mandibular-maturity-marker-at-the-18-year-threshold
#13
Graham J Roberts, Victoria S Lucas, Manoharan Andiappan, Fraser McDonald
The final stage of third molar development is used to assign a subject to above the 18-year threshold. Some subjects exhibiting this final stage are less than 18 years. Radiographs from 1000 females and 1000 males age 16.00-25.99 years were examined. Each half-year age band comprised 50 females and 50 males. Three categories of root canal widths (RCW) of the LL6, LL7, and LL8 [FDI 36, 37, and 38] were defined. Reproducibility was achieved by re-assessing the same subjects 12 months apart. For females, the minimum value for RCW-A was 16...
December 1, 2016: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/27905856/1-25-dihydroxyvitamin-d3-stimulates-odontoblastic-differentiation-of-human-dental-pulp-stem-cells-in-vitro
#14
Goksen Mucuk, Elif Sepet, Mine Erguven, Ozlem Ekmekci, Ayhan Bilir
BACKGROUND: 1,25-dihydroxyvitamin D3 (1,25-OH D3) plays an important role in mineralized tissue metabolism, including teeth. However, few studies have addressed its role in odontoblastic differentiation of human dental pulp-stem cells (hDPSCs). AIM: This study aimed to understand the influence of various concentrations of 1,25-OH D3 on the proliferation capacity and early dentinogenesis responses of hDPSCs. MATERIALS AND METHODS: hDPSCs were obtained from the impacted third molar teeth...
December 1, 2016: Connective Tissue Research
https://www.readbyqxmd.com/read/27905816/cementocyte-cell-death-occurs-in-rat-cellular-cementum-during-orthodontic-tooth-movement
#15
Humihiro Matsuzawa, Naoko Toriya, Yuya Nakao, Moe Konno-Nagasaka, Toshiya Arakawa, Miki Okayama, Itaru Mizoguchi
OBJECTIVE: To clarify the mechanism of root resorption during orthodontic treatment, we examined cementocyte cell death and root resorption in the cellular cementum on the pressure side during experimental tooth movement. MATERIALS AND METHODS: Using 8-week-old male Wistar rats, the right first molar was pushed mesiobuccally with a force of 40 g by a Ni-Ti alloy wire while the contralateral first molar was used as a control. Localization and number of cleaved caspase-3-positive and single-stranded DNA (ssDNA) - positive cells were evaluated using dual-label immunohistochemistry with anticleaved caspase-3 and anti-ssDNA antibodies...
December 1, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27905595/self-assembling-reactivity-and-molecular-dynamics-of-fullerenol-nanoparticles
#16
Milan Vraneš, Ivana Borišev, Aleksandar Tot, Stevan Armaković, Sanja Armaković, Danica Jović, Slobodan Gadžurić, Aleksandar Djordjevic
In this work structuring of water and insight into intermolecular interactions between water and fullerenol are studied throughout the process of forming nanoagglomerates at different temperatures applying both experimental and computational approaches. The obtained fullerenol nanoparticles (FNPs) are firstly characterized using dynamic light scattering, atomic force microscopy and transmission electron microscopy. The density, electrical conductivity and dynamic viscosity of aqueous fullerenol solutions are measured in the temperature range of 293...
December 1, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27905123/selective-precipitation-reaction-a-novel-diagnostic-test-for-tissue-pathology-in-atlantic-salmon-salmo-salar-infected-with-salmonid-alphavirus-sav3
#17
M Braceland, J Tinsley, D Cockerill, R Bickerdike, M F McLoughlin, P D Eckersall
While investigating biomarkers for infection with salmonid alphavirus (SAV), the cause of pancreas disease (PD), a selective precipitation reaction (SPR) has been discovered in serum which could be an on-farm qualitative test and an in-laboratory quantitative assay for health assessments in aquaculture. Mixing serum from Atlantic salmon, Salmo salar, with SAV infection with a sodium acetate buffer caused a visible precipitation which does not occur with serum from healthy salmon. Proteomic examination of the precipitate has revealed that the components are a mix of muscle proteins, for example enolase and aldolase, along with serum protein such as serotransferrin and complement C9...
November 30, 2016: Journal of Fish Diseases
https://www.readbyqxmd.com/read/27904088/the-effect-of-implant-diameter-on-strain-around-implants-retaining-a-mandibular-overdenture-with-locator-attachments-an-in-vitro-study
#18
Moustafa Abdou Elsyad, Ahmed Abdelsalam Elhddad, Ahmed Samir Khirallah
This study evaluated the effect of implant diameter on strain around implants retaining mandibular overdentures with Locator attachments. Three mandibular acrylic resin models were constructed with 2 implants inserted in canine areas and classified according to implant diameter into 3 groups: large (4.2 mm), medium (3.7 mm), and small (3.3 mm) diameter implants. Duplicate dentures were connected to the implants with Locator attachments. Four strain gauges were bonded to the acrylic resin at mesial, distal, buccal and lingual surfaces of each implant and strain was measured at loading and non-loading sides during 1st premolar and 1st molar loading...
2016: Dental Materials Journal
https://www.readbyqxmd.com/read/27903457/glass-forming-ability-of-compounds-in-marketed-amorphous-drug-products
#19
Nicole Wyttenbach, Martin Kuentz
This note is about the glass-forming ability (GFA) of drugs marketed as amorphous solid dispersions or as pure amorphous compounds. A thermoanalytical method was complemented with an in silico study, which made use of molecular properties that were identified earlier as being relevant for GFA. Thus, molar volume together with effective numbers of torsional bonds and hydrogen bonding were used to map drugs that are as amorphous products on the market either as solid dispersion of without co-processed carrier as amorphous drug in a solid dosage form...
November 27, 2016: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/27902609/influence-of-oral-health-behavior-and-sociodemographic-factors-on-remaining-teeth-in-korean-adults-2010-2012-korea-national-health-and-nutrition-examination-survey
#20
In-Seok Song, Kyungdo Han, Yeon-Jo Choi, Jae-Jun Ryu, Jun-Beom Park
In this study, the number and location of remaining teeth were analyzed according to sociodemographic variables, anthropometric measurements, and oral health behavior patterns. The hypothesis was that the number and location of remaining teeth would be affected by oral health behavior and by sociodemographic factors, such as education levels, household income, and urban/rural residency.This nationwide cross-sectional study was performed with a total of 36,026 representative Korean adults aged 19 and older. The data were taken from the 2012-2012 Korea National Health and Nutrition Examination Survey...
November 2016: Medicine (Baltimore)
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