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https://www.readbyqxmd.com/read/28719846/preparation-characterization-and-application-of-tio2-patterned-polyimide-film-as-a-photocatalyst-for-oxidation-of-organic-contaminants
#1
Subramaniyan Ramasundaram, Mingizem Gashaw Seid, Wonseop Lee, Chan Ul Kim, Eun-Ju Kim, Seok Won Hong, Kyoung Jin Choi
Photocatalytically active TiO2-patterned polyimide (PI) films (PI-TiO2) were fabricated using thermal transfer patterning (TTP). When subjected to hot pressing, the TiO2 nanoparticles electrosprayed on steel mesh templates were successfully transferred and formed checker plate patterns on PI film. FE-SEM studies confirmed that pressing at 350°C and 100MPa was optimum for obtaining patterns with uniform TiO2 coverage. When the quantity of TiO2 on the template increased, the amount of it immobilized on PI film also increased from 0...
June 29, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28719747/detection-of-fumonisins-in-fresh-and-dehydrated-commercial-garlic
#2
Stefano Tonti, Mara Mandrioli, Paola Nipoti, Annamaria Pisi, Tullia Gallina Toschi, Antonio Prodi
An epidemic fungal disease caused by Fusarium proliferatum, responsible for fumonisin production (FB1, FB2, and FB3), has been reported in the main garlic-producing countries in recent years. Fumonisins are a group of structurally related toxic metabolites produced by this pathogen. The aim of this work was to establish an ELISA procedure, mostly applied to cereals, that is suitable for fumonisin detection in garlic, and compare these results with those obtained by HPLC and screening of fresh and dehydrated garlic for toxicological risk...
July 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28719742/integrated-smartphone-app-chip-system-for-on-site-ppb-level-colorimetric-quantitation-of-aflatoxins
#3
Xiaochun Li, Fan Yang, Jessica X H Wong, Hua-Zhong Yu
We demonstrate herein an integrated, smartphone-app-chip (SPAC) system for on-site quantitation of food toxins, as demonstrated with aflatoxin B1 (AFB1), at parts-per-billion (ppb) level in food products. The detection is based on an indirect competitive immunoassay fabricated on a transparent plastic chip with the assistance of a microfluidic channel plate. A 3D-printed optical accessory attached to a smartphone is adapted to align the assay chip and to provide uniform illumination for imaging, with which high-quality images of the assay chip are captured by the smartphone camera and directly processed using a custom-developed Android app...
July 18, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28719566/midshaft-clavicle-fractures-the-saga-continues-commentary-on-articles-by-marcel-jun-sugawara-tamaoki-md-phd-et-al-treatment-of-displaced-midshaft-clavicle-fractures-figure-of-eight-harness-versus-anterior-plate-osteosynthesis-a-randomized-controlled-trial-and
#4
https://www.readbyqxmd.com/read/28719555/the-influence-of-shortening-on-clinical-outcome-in-healed-displaced-midshaft-clavicular-fractures-after-nonoperative-treatment
#5
E B Goudie, N D Clement, I R Murray, C R Lawrence, M Wilson, A J Brooksbank, C M Robinson
BACKGROUND: We aimed to evaluate the effect of clavicular shortening, measured with 3-dimensional computed tomography (3DCT), on functional outcomes and satisfaction in patients with healed displaced midshaft clavicular fractures up to 1 year following injury. METHODS: The data used in this study were collected as part of a multicenter, prospective randomized controlled trial of open reduction and plate fixation compared with nonoperative treatment for acute, displaced midshaft clavicular factures...
July 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28719554/treatment-of-displaced-midshaft-clavicle-fractures-figure-of-eight-harness-versus-anterior-plate-osteosynthesis-a-randomized-controlled-trial
#6
Marcel Jun Sugawara Tamaoki, Fabio Teruo Matsunaga, Adelmo Rezende Ferreira da Costa, Nicola Archetti Netto, Marcelo Hide Matsumoto, Joao Carlos Belloti
BACKGROUND: Most midshaft clavicle fractures affect the economically active population, which is negatively impacted by transient limb impairment during the treatment. There is still debate about the advantages and disadvantages of surgical treatment for these fractures. METHODS: In this prospective randomized controlled trial, 117 patients were allocated to 1 of 2 groups: nonsurgical treatment with a figure-of-eight harness or surgical treatment with anteroinferior plate osteosynthesis...
July 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28719548/forearm-pronation-osteotomy-for-supination-contracture-secondary-to-obstetrical-brachial-plexus-palsy-a-retrospective-cohort-study
#7
Aharon Z Gladstein, Brant Sachleben, Emily S Ho, Alison Anthony, Howard M Clarke, Sevan Hopyan
BACKGROUND: Obstetrical brachial plexus palsy can lead to fixed forearm supination contracture. Fixed supination may lead to functional deficits as the affected hand cannot be positioned optimally for activities on a desk such as writing and typing, or for using tools including utensils, which require a neutral or pronated forearm. Forearm pronation osteotomy has been used to address this problem, although the functional benefit over nonoperative management has not been clearly defined...
July 17, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28719546/fracture-table-application-for-pediatric-femur-fractures-incidence-and-risk-factors-associated-with-adverse-outcomes
#8
Brian A Kelly, Manahil Naqvi, Emily S Rademacher, Patricia E Miller, Daniel J Hedequist, Michael P Glotzbecker, Travis H Matheney, Benjamin J Shore
BACKGROUND: Flexible elastic nails, submuscular plating, and rigid locked intramedullary nails are common methods of fixation for pediatric femur fractures (PFF) in which the fracture table is used to aid reduction. Little is known about complications associated with fracture table application in PFF. The purpose of this study was to determine the incidence and risk factors associated with adverse outcomes related to fracture table application for the treatment of PFF. METHODS: A retrospective chart review of all children (younger than 18 y) treated for a femur fracture with the use of the fracture table between 2004 and 2015 at a single tertiary pediatric hospital was performed...
July 17, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28719472/contact-sensitization-to-allergens-in-nail-cosmetics
#9
Margaret Chou, Nikhil Dhingra, Tamara Lazic Strugar
Ingredients found in the nail cosmetic industry, including but not limited to methacrylate and acrylate monomers, formaldehyde, and toluene sulfonamide-formaldehyde resin, can incite allergic contact dermatitis. An eczematous outbreak presents on areas surrounding the nail plate and may spread through contact transfer of the allergen, commonly to the face and neck. Even components that were originally deemed nonsensitizing, such as the ubiquitous cyanoacrylate adhesive family, have been found to be allergenic...
July 2017: Dermatitis
https://www.readbyqxmd.com/read/28719354/thymol-and-carvacrol-strongly-inhibit-biofilm-formation-and-growth-of-carbapenemase-producing-gram-negative-bacilli
#10
P Raei, T Pourlak, M Y Memar, N Alizadeh, M Aghamali, E Zeinalzadeh, M Asgharzadeh, H S Kafil
Discovery of novel drugs with new mechanisms of action and without cross-reaction with current therapeutic agents is crucial in the management of infections caused by multi-drug resistant (MDR) bacteria. The aim of the present study was to investigate effects of carvacrol and thymol on biofilm formation and antimicrobial activity against different carbapenemase-producing Gram negative bacilli. The antimicrobial and antibiofilm effect of thymol and carvacrol was investigated against strains harboring different genes related to carbapenemase resistance...
May 20, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28719346/virulence-genes-in-biofilm-producer-enterococcus-faecalis-isolates-from-root-canal-infections
#11
M Akbari Aghdam, M H Soroush Barhaghi, M Aghazadeh, F Jafari, M Beomide Hagh, M Haghdoost, M Y Memar, M Ahangarzadeh Rezaee, H Samadi Kafil
Enterococcus faecalis is occurring in opportunistic infections involving the oral cavity. This study aimed to evaluate the presence of E. faecalis virulence genes in dental root canal isolates recovered from advanced chronic periodontitis patients. One hundred E. faecalis isolated from dental root canal during July 2015 to Oct 2016. After analysis of biofilm formation by the semi-quantitative determination in 96-well flat bottom polystyrene plates, the presence of asa, esp, efaA, ace, ebpR, gel and hyl gene were studied by PCR...
May 20, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28719019/initial-testing-of-a-pixelated-silicon-detector-prototype-in-proton-therapy
#12
Andrew J Wroe, Grant McAuley, Anthony V Teran, Jeannie Wong, Marco Petasecca, Michael Lerch, James M Slater, Anatoly B Rozenfeld
As technology continues to develop, external beam radiation therapy is being employed, with increased conformity, to treat smaller targets. As this occurs, the dosimetry methods and tools employed to quantify these fields for treatment also have to evolve to provide increased spatial resolution. The team at the University of Wollongong has developed a pixelated silicon detector prototype known as the dose magnifying glass (DMG) for real-time small-field metrology. This device has been tested in photon fields and IMRT...
July 18, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28718892/methoxetamine-affects-brain-processing-involved-in-emotional-response-in-rats
#13
M T Zanda, P Fadda, S Antinori, M di Chio, W Fratta, C Chiamulera, L Fattore
BACKGROUND AND PURPOSE: Methoxetamine (MXE) is a novel psychoactive substance that is emerging on the Internet and induces dissociative effects and acute toxicity. Yet, its pharmacological effects are still poorly investigated. EXPERIMENTAL APPROACH: We examined a range of behavioural effects induced by acute intraperitoneal administration of MXE (0.5-5 mg/kg) in rats, and whether it causes rapid neuroadaptive molecular changes. KEY RESULTS: MXE (0...
July 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28718814/physiological-effects-of-touching-wood
#14
Harumi Ikei, Chorong Song, Yoshifumi Miyazaki
This study aimed to clarify the physiological effects of touching wood with the palm, in comparison with touching other materials on brain activity and autonomic nervous activity. Eighteen female university students (mean age, 21.7  ±  1.6 years) participated in the study. As an indicator of brain activity, oxyhemoglobin (oxy-Hb) concentrations were measured in the left/right prefrontal cortex using near-infrared time-resolved spectroscopy. Heart rate variability (HRV) was used as an indicator of autonomic nervous activity...
July 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28718808/beta-palmitate-improves-bone-length-and-quality-during-catch-up-growth-in-young-rats
#15
Meytal Bar-Maisels, Yankel Gabet, Raanan Shamir, Sahar Hiram-Bab, Metsada Pasmanik-Chor, Moshe Phillip, Fabiana Bar-Yoseph, Galia Gat-Yablonski
Palmitic acid (PA) is the most abundant saturated fatty acid in human milk, where it is heavily concentrated in the sn-2-position (termed beta palmitate, BPA) and as such is conserved in all women, regardless of their diet or ethnicity, indicating its physiological and metabolic importance. We hypothesized that BPA improves the efficiency of nutrition-induced catch up growth as compared to sn-1,3 PA, which is present in vegetable oil. Pre-pubertal male rats were subjected to a 17 days food restriction followed by re-feeding for nine days with 1,3 PA or BPA-containing diets...
July 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28718064/contribution-of-circulatory-disturbances-in-subchondral-bone-to-the-pathophysiology-of-osteoarthritis
#16
REVIEW
Roy K Aaron, Jennifer Racine, Jonathan P Dyke
PURPOSE OF REVIEW: This review describes the contributions of abnormal bone circulation to the pathophysiology of osteoarthritis. Combining dynamic imaging with MRI and PET with previous observations reveals that venous stasis and a venous outlet syndrome is most likely the key circulatory pathology associated with the initiation or progression of osteoarthritis. RECENT FINDINGS: MRI and PET have revealed that venous outflow obstruction results in physicochemical changes in subchondral bone to which osteoblasts are responsive...
August 2017: Current Rheumatology Reports
https://www.readbyqxmd.com/read/28717652/morphological-study-of-the-anterior-surface-of-the-distal-radius
#17
Ho-Jung Cho, Soyeon Kim, Dai-Soon Kwak
The shape of the anterior surface of the distal radius is important for designing a distal radius plate for wrist fracture surgery. The aim of this study was to describe the shape of the anterior surface of the distal radius and to compare the results between female and male. We used 90 sides from three-dimensional radial models based on computer tomography images from Korean adult cadavers for this study. The anterior surface was measured in two dimensions in the coronal view, and we sectioned the anterior surface of the models to obtain intermediate and radial sections to measure the curved shape of the anterior surface in sagittal view...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28717288/cone-beam-computed-tomographic-analysis-of-the-course-and-position-of-mandibular-canal
#18
Hooman Khorshidi, Saeed Raoofi, Janan Ghapanchi, Shoaleh Shahidi, Maryam Paknahad
PURPOSE: Estimation of the relative position of infra alveolar nerve (IAN) canal and its relation to the mandibular anatomical landmarks can be clinically useful in minimizing the risk of surgery complications such as neurosensory disturbances that may occur after invasive mandibular surgical procedures. The purpose of the present study was to investigate the anatomic location and radiographic course of the mandibular canal compared to anatomic landmarks on CBCT and to discuss its clinical significance and also to determine the possible correlations between the mandibular position and the age of the patients...
September 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28717284/is-the-mandibular-growth-affected-by-internal-rigid-fixation-a-systematic-review
#19
REVIEW
Humberto Fernández-Olarte, Andrés Gómez-Delgado, Dayan López-Dávila, Rodolfo Rangel-Perdomo, Gloria Inés Lafaurie, Leandro Chambrone
PURPOSE: The purpose of this systematic review was to evaluate, in animal model-based studies, whether there are mandibular growth alterations, after open reduction and internal rigid fixation with titanium plates and screws. METHODS: A literature search was conducted using the MEDLINE, EMBASE, and LILACS databases, up to and including August 2015. Surgical reduction and internal rigid fixation (IRF) of induced fractures were compared to non-invasive procedures, in order to investigate if there were alterations in the mandibular growth patterns...
September 2017: Journal of Maxillofacial and Oral Surgery
https://www.readbyqxmd.com/read/28716930/conserved-gene-regulatory-module-specifies-lateral-neural-borders-across-bilaterians
#20
Yongbin Li, Di Zhao, Takeo Horie, Geng Chen, Hongcun Bao, Siyu Chen, Weihong Liu, Ryoko Horie, Tao Liang, Biyu Dong, Qianqian Feng, Qinghua Tao, Xiao Liu
The lateral neural plate border (NPB), the neural part of the vertebrate neural border, is composed of central nervous system (CNS) progenitors and peripheral nervous system (PNS) progenitors. In invertebrates, PNS progenitors are also juxtaposed to the lateral boundary of the CNS. Whether there are conserved molecular mechanisms determining vertebrate and invertebrate lateral neural borders remains unclear. Using single-cell-resolution gene-expression profiling and genetic analysis, we present evidence that orthologs of the NPB specification module specify the invertebrate lateral neural border, which is composed of CNS and PNS progenitors...
July 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
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