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https://www.readbyqxmd.com/read/28098788/evaluation-of-potential-average-daily-doses-adds-of-pm2-5-for-homemakers-conducting-pan-frying-inside-ordinary-homes-under-four-ventilation-conditions
#1
Seonyeop Lee, Sol Yu, Sungroul Kim
Several studies reported that commercial barbecue restaurants likely contribute to the indoor emission of particulate matters with a diameter of 2.5 micrometers or less (PM2.5) while pan-frying meat. However, there is inadequate knowledge of exposure level to indoor PM2.5 in homes and the contribution of a typical indoor pan-frying event. We measured the indoor PM2.5 concentration and, using Monte-Carlo simulation, estimated potential average daily dose (ADD) of PM2.5 for homemakers pan-frying a piece of pork inside ordinary homes...
January 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28098743/analysis-of-incident-and-accident-reports-and-risk-management-in-spine-surgery
#2
Kazuyoshi Kobayashi, Shiro Imagama, Kei Ando, Tetsuro Hida, Kenyu Ito, Mikito Tsushima, Yoshimoto Ishikawa, Akiyuki Matsumoto, Masayoshi Morozumi, Yoshihiro Nishida, Yoshimasa Nagao, Naoki Ishiguro
STUDY DESIGN: A review of accident and incident reports. OBJECTIVE: To analyze prevalence, characteristics, and details of perioperative incidents and accidents in patients receiving spine surgery. SUMMARY OF BACKGROUND DATA: In our institution, a clinical error that potentially results in an adverse event is usually submitted as an incident or accident report through a web database, to ensure anonymous and blame-free reporting. All reports are analyzed by a medical safety management group...
January 16, 2017: Spine
https://www.readbyqxmd.com/read/28098740/adult-scoliosis-deformity-surgery-comparison-of-outcomes-between-1-vs-2-attending-surgeons
#3
Jaime A Gomez, Virginie Lafage, Daniel M Scuibba, Shay Bess, Gregory M Mundis, Barthelemy Liabaud, Regina Hanstein, Christopher Shaffrey, Michael Kelly, Christopher Ames, Justin S Smith, Peter G Passias, Thomas Errico, Frank Schwab
STUDY DESIGN: Retrospective review of prospectively collected data. OBJECTIVE: Assess outcomes of adult spinal deformity (ASD) surgery performed by 1 vs. 2 attending surgeons. SUMMARY OF BACKGROUND DATA: ASD centers have developed 2-attending teams in order to improve efficiency; their effects on complications and outcomes have not been reported. METHODS: ASD patients with ≥5 levels fused and > 2-year follow-up were included...
January 16, 2017: Spine
https://www.readbyqxmd.com/read/28098571/operating-room-anesthesia-subspecialization-is-not-associated-with-significantly-greater-quality-of-supervision-of-anesthesia-residents-and-nurse-anesthetists
#4
Franklin Dexter, Johannes Ledolter, Richard H Epstein, Bradley J Hindman
BACKGROUND: Supervision of anesthesia residents and nurse anesthetists is a major responsibility of faculty anesthesiologists. The quality of their supervision can be assessed quantitatively by the anesthesia residents and nurse anesthetists. Supervision scores are an independent measure of the contribution of the anesthesiologist to patient care. We evaluated the association between quality of supervision and level of specialization of anesthesiologists. METHODS: We used two 6-month periods, one with no feedback to anesthesiologists of the residents' and nurse anesthetists' evaluations, and the other with feedback...
November 2, 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28098500/exploring-black-college-females-perceptions-regarding-hiv-prevention-message-content
#5
Rasheeta Chandler-Coley, Henry Ross, Oluwatobi Ozoya, Celia Lescano, Timothy Flannigan
Media messages can facilitate the delivery of accurate information related to HIV and sexually transmitted infection. This study's purpose was to examine preexisting media campaigns from the iMPPACS study to assess age-, gender-, and culturally appropriate components identified by African American females who attend historically Black colleges/universities. In 3 separate focus group sessions, 31 Black female college students (M age = 20) viewed 4 vignettes and heard 3 audio-only clips, then ranked and commented on them based on perceived satisfaction with HIV prevention content and appropriateness of delivery...
January 18, 2017: Journal of Health Communication
https://www.readbyqxmd.com/read/28098332/revisiting-the-optimized-doping-ratio-in-core-shell-nanostructured-upconversion-particles
#6
Bin Shen, Shengming Cheng, Yuyang Gu, Danrui Ni, Yilin Gao, Qianqian Su, Wei Feng, Fuyou Li
The development of rare-earth doped upconversion nanoparticles (RE-UCNPs) in various applications is fuelling the demand for nanoparticles with highly enhanced upconversion luminescence (UCL). Although the core/shell structure is proved to enhance the UCL effectively, there is still plenty of room to further improve the UCL by optimizing the doping ratio of the materials. In this article, a general strategy is demonstrated to achieve highly-enhanced visible UCL in core/shell nanostructured NaREF4 by increasing the doping ratio of Yb(3+) in the core region...
January 18, 2017: Nanoscale
https://www.readbyqxmd.com/read/28098284/oxygen-vacancy-ordering-in-srfe0-25co0-75o2-63-perovskite-material
#7
Javier Fernández Sanjulián, Madhu Chennabasappa, Susana García-Martín, Gwilherm Nénert, Alain Wattiaux, Etienne Gaudin, Olivier Toulemonde
SrFe0.25Co0.75O2.63 was synthesized by a solid-state reaction. Its structural study at room temperature using conventional X-ray as well as neutron powder diffraction, electron diffraction and high-resolution transmission electron microscopy is presented. An oxygen-vacancy ordering related to the "314" model known for the Sr3Y1Co4O10.5 oxide is proposed despite neither an A-site ordering nor an A-site mismatch. By means of Mössbauer spectroscopy, Mohr salt titration and the difference in the neutron cross sections of Fe and Co, a cation distribution within the crystallographic sites as the following Sr4(Fe0...
January 18, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28098278/understanding-the-connection-between-conformational-changes-of-peptides-and-equilibrium-thermal-fluctuations
#8
Miguel A Soler, José Zúñiga, Alberto Requena, Adolfo Bastida
Despite the increasing evidence that conformational transitions in peptides and proteins are driven by specific vibrational energy pathways along the molecule, the current experimental techniques of analysis do as yet not allow to study these biophysical processes in terms of anisotropic energy flows. Computational methods offer a complementary approach to obtain a more detailed understanding of the vibrational and conformational dynamics of these systems. Accordingly, in this work we investigate jointly the vibrational energy distribution and the conformational dynamics of trialanine peptide in water solution at room temperature by applying the Instantaneous Normal Mode analysis to the results derived from equilibrium molecular dynamics simulations...
January 18, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28098273/high-definition-infrared-chemical-imaging-of-colorectal-tissue-using-a-spero-qcl-microscope
#9
B Bird, J Rowlette
Mid-infrared microscopy has become a key technique in the field of biomedical science and spectroscopy. This label-free, non-destructive technique permits the visualisation of a wide range of intrinsic biochemical markers in tissues, cells and biofluids by detection of the vibrational modes of the constituent molecules. Together, infrared microscopy and chemometrics is a widely accepted method that can distinguish healthy and diseased states with high accuracy. However, despite the exponential growth of the field and its research world-wide, several barriers currently exist for its full translation into the clinical sphere, namely sample throughput and data management...
January 18, 2017: Analyst
https://www.readbyqxmd.com/read/28098196/enhanced-removal-of-as-v-from-aqueous-solution-using-modified-hydrous-ferric-oxide-nanoparticles
#10
Lijuan Huo, Xibai Zeng, Shiming Su, Lingyu Bai, Yanan Wang
Hydrous ferric oxide (HFO) is most effective with high treatment capacity on arsenate [As(V)] sorption although its transformation and aggregation nature need further improvement. Here, HFO nanoparticles with carboxymethyl cellulose (CMC) or starch as modifier was synthesized for the purpose of stability improvement and As(V) removal from water. Comparatively, CMC might be the optimum stabilizer for HFO nanoparticles because of more effective physical and chemical stability. The large-pore structure, high surface specific area, and the non-aggregated nature of CMC-HFO lead to increased adsorption sites, and thus high adsorption capacities of As(V) without pre-treatment (355 mg·g(-1)), which is much greater than those reported in previous studies...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28098044/-an-acutely-dyspnoeic-woman-after-acupuncture
#11
B J J van Tienoven, L Becude, W Thijs
A 42-year-old woman without a medical history presented herself to the emergency room with sudden onset of dyspnoea and progressive tachypnoea. The X-ray showed a bilateral pneumothorax. Additional anamnesis suggested this was caused by thoracic acupuncture she had received that afternoon because of her chronic low back pain.
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28097877/the-epigenetics-of-testicular-germ-cell-tumors-looking-for-novel-disease-biomarkers
#12
Ana Laura Costa, João Lobo, Carmen Jerónimo, Rui Henrique
Testicular germ cell tumors (TGCT) are a group of heterogeneous, biologically diverse and clinically challenging neoplasms. Despite the relatively low incidence and mortality rates, a subgroup of patients with disseminated disease relapse after conventional therapy and have a dismal prognosis. Moreover, TGCT afflict mostly young men and have therapeutic peculiarities, with some patients showing resistance to cisplatin-based treatments and others being troubled by irreversible side effects, such as infertility...
January 18, 2017: Epigenomics
https://www.readbyqxmd.com/read/28097858/-the-current-status-of-patient-safety-in-argentina-cross-sectional-study
#13
Lucrecia Arpí, Néstor D Panattieri, Cristina Godio, Verónica Sabio Paz, Nora Dackiewicz
BACKGROUND: Patient safety is a priority for healthcare organizations. For the PRONAP´s 2013 final exam, the Quality & Patient Safety Subcommittee and the PRONAP managers designed a survey to be answered by pediatrician students nationwide. It was destined to evaluate attitudes, practices and safety conditions in which they worked. AIM: To assess the current state of practices in patient safety. MATERIAL AND METHODS: Setting and sample: PRONAP students (7,438 pediatrician nationwide) who answered 2013 final exam...
February 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28097857/-massive-poisoning-with-carbon-monoxide-an-update-from-a-case
#14
Mariano Díaz, Gabriel Crapanzano, Silvia Cabrerizo, Cristina Aichele, Alejandra Deurtiaga, Yamila Vallejos
Carbon monoxide is known as the "silent murderer" because it is a colorless and odorless gas. According to these characteristics, toxicity goes unnoticed which makes the diagnosis difficult. In most cases, the cold periods and group poisoning make suspect its presence because inappropriate heat both in home or public environments. Our goal is to inform about a mass carbon monoxide poisoning in a children's parties room using a combustion source installed, not for the purpose of heating, but as a supply of light (generator), emphasizing that it can occur in any time of the year...
February 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28097851/-bednar-s-aphthae-in-newborn
#15
Mercedes Fariñas Salto, Cristina Menéndez Hernando, Raquel Martín Molina, Víctor Galán Gómez, Fernando J García de Pedro
The description of the Bednar's ulcer is uncommon in the current literature. It has been associated with the traumatic effect of the bottle's nipple and/or no orthodontic soothers while breastfeeding. We present a newborn of 20 days of life attended at the emergency room for irritability, with the only finding on physical examination of two oral ulcers. We describe the clinical presentation, evolution and treatment. The normality of the diagnostic test, clinical characteristics and evolution lead to the diagnosis of Bednar´s ulcer...
February 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28097816/effect-of-temperature-and-colonization-of-legionella-pneumophila-and-vermamoeba-vermiformis-on-bacterial-community-composition-of-copper-drinking-water-biofilms
#16
Helen Y Buse, Pan Ji, Vicente Gomez-Alvarez, Amy Pruden, Marc A Edwards, Nicholas J Ashbolt
It is unclear how the water-based pathogen, Legionella pneumophila (Lp), and associated free-living amoeba (FLA) hosts change or are changed by the microbial composition of drinking water (DW) biofilm communities. Thus, this study characterized the bacterial community structure over a 7-month period within mature (> 600-day-old) copper DW biofilms in reactors simulating premise plumbing and assessed the impact of temperature and introduction of Lp and its FLA host, Vermamoeba vermiformis (Vv), co-cultures (LpVv)...
January 18, 2017: Microbial Biotechnology
https://www.readbyqxmd.com/read/28097741/-inherently-chiral-ionic-liquid-media-effective-chiral-electroanalysis-on-achiral-electrodes
#17
Simona Rizzo, Serena Arnaboldi, Voichita Mihali, Roberto Cirilli, Alessandra Forni, Armando Gennaro, Abdirisak Ahmed Isse, Marco Pierini, Patrizia Romana Mussini, Francesco Sannicolò
To achieve enantioselective electroanalysis either chiral electrodes or chiral media are needed. High enantiodiscrimination properties can be granted by the "inherent chirality" strategy of developing molecular materials in which the stereogenic element responsible for chirality coincides with the molecular portion responsible for their specific properties, an approach recently yielding outstanding performances as electrode surfaces. Inherently chiral ionic liquids (ICILs) have now been prepared starting from atropisomeric 3,3'-bicollidine, synthesized from inexpensive reagents, resolved into antipodes without need of chiral HPLC and converted into long-chain dialkyl salts with melting points below room temperature...
January 18, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28097718/a-prospective-study-of-the-use-of-antibiotics-in-the-emergency-department-of-a-chinese-university-hospital
#18
Linan Zeng, Die Hu, Imti Choonara, Dezhi Mu, Lingli Zhang, Xihong Li, Zuojie Zhang, Zhiqiang Hu, Shuyan Quan
BACKGROUND: Antibiotics are one of the most widely misused group of medicines. The aim of this study was to investigate the use of antibiotics in one of the paediatric emergency departments in China. METHODS: We performed a prospective, cross-sectional study of antibiotic use in the paediatric emergency room of West China Second University Hospital. A total of 500 consecutive patients from March 25 to April 3 2013 were included. Clinical details of the patients were also collected in order to analyse antibiotic use...
February 2017: International Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28097674/monte-carlo-simulations-of-ceiling-scatter-in-nuclear-medicine-99m-tc-131-i-and-18-f
#19
Roald S Schnerr, Anouk N de Jong, Guillaume Landry, Cécile R L P N Jeukens, Roel Wierts
PURPOSE: In the design of nuclear medicine treatment and examination rooms, an important consideration is the shielding required for ionizing radiation from the radioactive isotopes used. The shielding in the walls is normally limited to a height lower than the actual ceiling height. The direct radiation, possibly with build-up correction, can be calculated relatively easily. However, little data is available to estimate the dose contribution from ionizing radiation traveling over the wall shielding and scattering off the ceiling...
January 18, 2017: Medical Physics
https://www.readbyqxmd.com/read/28097602/dietary-supplementation-of-chromium-can-alleviate-negative-impacts-of-heat-stress-on-performance-carcass-yield-and-some-blood-hematology-and-chemistry-indices-of-growing-japanese-quail
#20
Mohamed Soliman El-Kholy, Mohamed Mohamed El-Hindawy, Mahmoud Alagawany, Mohamed Ezzat Abd El-Hack, Sabry Abd El-Gawad Abd El-Halim El-Sayed
The main objective of this work was to investigate the impact of dietary chromium supplementation on growth indices, carcass yield, and some hematological and biochemical blood parameters of growing Japanese quails subjected to heat stress. A total of 360 unsexed 2-week-old Japanese quail chicks were used in a 2 × 3 factorial arrangement that had two ambient temperatures (23 ± 2 and 33 ± 2 °C) and three dietary chromium (0.00, 500, and 1000 μg Cr/kg diet as chromium picolinate). For induction of heat stress, the room temperature was set at 33 ± 2 °C from 2 to 6 weeks of age...
January 17, 2017: Biological Trace Element Research
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