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https://www.readbyqxmd.com/read/28528356/operating-room-fires-in-periocular-surgery
#1
Michael A Connor, Anne M Menke, Ivan Vrcek, John W Shore
AIM: A survey of ophthalmic plastic and reconstructive surgeons as well as seven-year data regarding claims made to the Ophthalmic Mutual Insurance Company (OMIC) is used to discuss operating room fires in periocular surgery. METHODS: A retrospective review of all closed claim operating room fires submitted to OMIC was performed. A survey soliciting personal experiences with operating room fires was distributed to all American Society of Oculoplastic and Reconstructive Surgeons...
May 20, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28521204/numerical-simulations-of-mechanical-and-ignition-deflagration-responses-for-pbxs-under-low-to-medium-level-velocity-impact-loading
#2
Kun Yang, Yanqing Wu, Fenglei Huang, Ming Li
An effective computational model is required to accurately predict the dynamic responses in accidental initiations of explosives. The present work uses a series of two-dimensional mechanical-chemical simulations performed via a hydrodynamic-code, DREXH-2D, to efficiently describe the mechanical and ignition-deflagration responses of cased cylindrical polymer-bonded explosives (PBXs) undergoing a low-to-medium-level impact (70-350m/s) in longitudinal direction. The ignition response was predicted based on an ignition criterion of effective plastic work...
May 8, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28457441/improved-flame-retardant-and-tensile-properties-of-thermoplastic-starch-flax-fabric-green-composites
#3
M N Prabhakar, Atta Ur Rehman Shah, Jung-Il Song
This article highlights the development of biodegradable flame-retardant composites using a compression technique on low-cost starch, flax fabric (FF) and ammonium polyphosphate (APP) raw materials. The starch was plasticized into thermoplastic starch through a mechano-ball milling process and composites were developed by reinforcing the FF and incorporating varying amounts of APP. The effects of APP on the flammability and thermal properties of the composites were studied. Limited oxygen index and horizontal-burning tests exhibited significant sustainability of the composites toward flame and direct flame self-extinguishment...
July 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28457060/complications-of-post-burn-tissue-expansion-reconstruction-9-years-experience-with-42-pediatric-and-26-adult-patients
#4
Alexander Margulis, Allan Billig, Jhonatan Elia, Yair Shachar, Neta Adler
BACKGROUND: Burn scar reconstruction is extremely challenging, even for the most proficient reconstructive surgeon. Within the arsenal of tools at the plastic surgeon's disposal, tissue expansion provides an efficient modality for reconstruction despite the reported complication rates. OBJECTIVES: To critically review our experience with tissue expansion for burn scar reconstruction, comparing particularly the adult and pediatric populations. METHODS: We conducted a retrospective study of the outcomes of patients who underwent burn scar reconstruction with tissue expansion at Hadassah Medical Center between January 2003 and July 2012...
February 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28448015/quantification-of-strain-in-a-porcine-model-of-skin-expansion-using-multi-view-stereo-and-isogeometric-kinematics
#5
Adrian Buganza Tepole, Elbert E Vaca, Chad A Purnell, Michael Gart, Jennifer McGrath, Ellen Kuhl, Arun K Gosain
Tissue expansion is a popular technique in plastic and reconstructive surgery that grows skin in vivo for correction of large defects such as burns and giant congenital nevi. Despite its widespread use, planning and executing an expansion protocol is challenging due to the difficulty in measuring the deformation imposed at each inflation step and over the length of the procedure. Quantifying the deformation fields is crucial, as the distribution of stretch over time determines the rate and amount of skin grown at the end of the treatment...
April 16, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28447126/erratum-to-comparative-lung-bioavailability-of-fluticasone-salmeterol-via-a-breath-actuated-spacer-and-conventional-plastic-spacers
#6
Arun Nair, Lorna McKinlay, Peter Williamson, Philip Short, Patricia Burns, Brian J Lipworth
No abstract text is available yet for this article.
April 26, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28438486/pti-125-binds-and-reverses-an-altered-conformation-of-filamin-a-to-reduce-alzheimer-s-disease-pathogenesis
#7
Hoau-Yan Wang, Kuo-Chieh Lee, Zhe Pei, Amber Khan, Kalindi Bakshi, Lindsay H Burns
We show that amyloid-β1-42 (Aβ42) triggers a conformational change in the scaffolding protein filamin A (FLNA) to induce FLNA associations with α7-nicotinic acetylcholine receptor (α7nAChR) and toll-like receptor 4 (TLR4). These aberrant associations respectively enable Aβ42's toxic signaling via α7nAChR to hyperphosphorylate tau protein, and TLR4 activation to release inflammatory cytokines. PTI-125 is a small molecule that preferentially binds altered FLNA and restores its native conformation, restoring receptor and synaptic activities and reducing its α7nAChR/TLR4 associations and downstream pathologies...
March 31, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28431803/reutilization-of-discarded-biomass-for-preparing-functional-polymer-materials
#8
REVIEW
Jianfeng Wang, Wenzhen Qian, Yufeng He, Yubing Xiong, Pengfei Song, Rong-Min Wang
Biomass is abundant and recyclable on the earth, which has been assigned numerous roles to human beings. However, over the past decades, accompanying with the rapid expansion of man-made materials, such as alloy, plastic, synthetic rubber and fiber, a great number of natural materials had been neglected and abandoned, such as straw, which cause a waste of resource and environmental pollution. In this review, based on introducing sources of discarded biomass, the main composition and polymer chains in discarded biomass materials, the traditional treatment and novel approach for reutilization of discarded biomass were summarized...
April 18, 2017: Waste Management
https://www.readbyqxmd.com/read/28427139/-advances-in-the-research-of-mechanism-in-prevention-and-treatment-of-scar-with-botulinum-toxin-type-a-and-its-clinical-application
#9
Y H Li, J Q Liu, D Xiao, W Zhang, D H Hu
Scar is a common complication in wound healing process, and how to effectively prevent and treat it is a hot and difficult problem in burns and plastic surgery field. Botulinum toxin type A is a neurotoxin that has been widely and effectively used in the cosmetic surgery field such as anti-wrinkle and thin face. In recent years, botulinum toxin type A has been applied in prevention and treatment of scar, which causes a great concern. Nowadays, the relevant reports have gradually increased, and the mechanisms have been explored more deeply...
April 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28427132/-influences-of-abar-gene-on-biofilm-formation-of-acinetobacter-baumannii
#10
H N Guo, J Xiang
Objective: To detect drug-resistant phenotype and abaR gene of Acinetobacter baumannii (AB) and investigate influences of abaR gene on biofilm formation of AB. Methods: From February to July 2014, 159 strains AB were collected from Department of Clinical Microbiology of Ruijin Hospital of School of Medicine of Shanghai JiaoTong University and numbered starting from 1 according time when they were collected. (1) The above-mentioned 159 strains of AB were identified by detecting gene sequence of 16S ribosomal DNA...
April 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28413831/differential-ability-of-the-dorsal-and-ventral-rat-hippocampus-to-exhibit-group-i-metabotropic-glutamate-receptor-dependent-synaptic-and-intrinsic-plasticity
#11
Patrick Tidball, Hannah V Burn, Kai Lun Teh, Arturas Volianskis, Graham L Collingridge, Stephen M Fitzjohn
BACKGROUND: The hippocampus is critically involved in learning and memory processes. Although once considered a relatively homogenous structure, it is now clear that the hippocampus can be divided along its longitudinal axis into functionally distinct domains, responsible for the encoding of different types of memory or behaviour. Although differences in extrinsic connectivity are likely to contribute to this functional differentiation, emerging evidence now suggests that cellular and molecular differences at the level of local hippocampal circuits may also play a role...
January 2017: Brain Neurosci Adv
https://www.readbyqxmd.com/read/28413115/rate-of-contamination-of-hospital-privacy-curtains-on-a-burns-and-plastic-surgery-ward-a-cross-sectional-study
#12
K Shek, R Patidar, Z Kohja, S Liu, J P Gawaziuk, M Gawthrop, A Kumar, S Logsetty
BACKGROUND: Surfaces in the patient environment may play a role in microbial transmission if they become colonized by bacteria. Patient privacy curtains are one such surface that may pose a high risk for transmission because they are high-contact surfaces, are infrequently cleaned, and healthcare workers are less likely to wash their hands after contacting inanimate objects such as curtains. AIM: To determine the amount and type of bacterial colonization of patient privacy curtains at a regional burns/plastic surgery unit...
March 16, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/28400090/does-intramuscular-gluteal-augmentation-using-implants-affect-sensitivity-in-the-buttocks
#13
Fernando Serra-Guimarães, Marco Antonio Venturini De Barros, Jose Horacio Aboudib, Denise Salles Coelho Da Mota, Daniel Gouvea Leal, Claudio Cardoso De Castro, Fabio Xerfan Nahas
The evolution of techniques and materials has made gluteoplasty a safe and reproducible operation with high acceptance among surgeons and patients. Functional aspects should be considered in gluteoplasty but are poorly studied. The sensitivity of the buttocks is fundamental as it represents an erogenous zone and provides protection through sensory stimuli for the prevention of pressure sores and burns. This study aimed to evaluate the sensitivity of the gluteal region in patients undergoing gluteal augmentation with implants...
June 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28375553/zeolites-as-sustainable-catalysts-for-the-selective-synthesis-of-renewable-bisphenols-from-lignin-derived-monomers
#14
Paola Ferrini, Steven-Friso Koelewijn, Joost Van Aelst, Nicolas Nuttens, Bert F Sels
Alternative biobased bisphenols from lignocellulosic biomass are not only favorable to reduce the environmental impact of current petroleum-derived plastics, but they can be simultaneously beneficial for health issues related to bisphenol A (BPA). Additionally, conventional BPA synthesis entails a large excess of unrecoverable homogeneous acid catalyst (e.g., HCl) or unrecyclable thermolabile sulfonated resins. In this report, zeolites are proposed as recoverable and thermally stable solid acids for the Brønsted-acid-catalyzed condensation between 4-methylguaiacol and formaldehyde to selectively produce renewable bisphenols...
May 22, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28370325/mutagenicity-and-oxidative-damage-induced-by-an-organic-extract-of-the-particulate-emissions-from-a-simulation-of-the-deepwater-horizon-surface-oil-burns
#15
David M DeMarini, Sarah H Warren, Katelyn Lavrich, Alexis Flen, Johanna Aurell, William Mitchell, Dale Greenwell, William Preston, Judith E Schmid, William P Linak, Michael D Hays, James M Samet, Brian K Gullett
Emissions from oil fires associated with the "Deepwater Horizon" explosion and oil discharge that began on April 20, 2010 in the Gulf of Mexico were analyzed chemically to only a limited extent at the time but were shown to induce oxidative damage in vitro and in mice. To extend this work, we burned oil floating on sea water and performed extensive chemical analyses of the emissions (Gullett et al., Marine Pollut Bull, in press, ). Here, we examine the ability of a dichloromethane extract of the particulate material with an aerodynamic size ≤ 2...
April 2017: Environmental and Molecular Mutagenesis
https://www.readbyqxmd.com/read/28331545/metabolic-engineering-of-saccharomyces-cerevisiae-to-produce-a-reduced-viscosity-oil-from-lignocellulose
#16
Tam N T Tran, Rebecca J Breuer, Ragothaman Avanasi Narasimhan, Lucas S Parreiras, Yaoping Zhang, Trey K Sato, Timothy P Durrett
BACKGROUND: Acetyl-triacylglycerols (acetyl-TAGs) are unusual triacylglycerol (TAG) molecules that contain an sn-3 acetate group. Compared to typical triacylglycerol molecules (here referred to as long chain TAGs; lcTAGs), acetyl-TAGs possess reduced viscosity and improved cold temperature properties, which may allow direct use as a drop-in diesel fuel. Their different chemical and physical properties also make acetyl-TAGs useful for other applications such as lubricants and plasticizers...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28330646/is-it-time-for-a-change-in-the-approach-to-chemical-burns-the-role-of-diphoterine-%C3%A2-in-the-management-of-cutaneous-and-ocular-chemical-injuries
#17
REVIEW
C J Lewis, A Al-Mousawi, A Jha, K P Allison
A multitude of household and occupational compounds have the potential to induce chemical burns to the eye and skin. Without prompt intervention, irreversible visual loss and disfigurement may prevail. Diphoterine(®) and Hexafluorine(®) are amphoteric and hypertonic chelating solutions used in the management of general chemical and hydrofluoric acid burns, respectively. They rapidly neutralise both acid and alkali agents without heat release and limit diffusion, making them superior to water irrigation alone...
May 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28328656/psychological-reactions-social-support-and-coping-styles-in-pakistani-female-burn-survivors
#18
Samreen Idrees, Fayyaz Ahmad Faize, Mubeen Akhtar
This study was aimed to explore the level of psychological distress and posttraumatic stress among female burn survivors in Pakistan. It was also intended to study the kind of social support available to these burn survivors in a society where women right violation is common. The sample consisted of 35 female burn victims selected from two hospitals. General Health Questionnaire, posttraumatic stress disorder Checklist-Specific, and Social Support Scale were used to measure study variables in addition to a short open-ended questionnaire to identify coping strategies of these burn survivors...
March 15, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28328635/a-systematic-review-of-the-use-of-telemedicine-in-plastic-and-reconstructive-surgery-and-dermatology
#19
Krishna S Vyas, H Rhodes Hambrick, Afaaf Shakir, Shane D Morrison, Duy C Tran, Keon Pearson, Henry C Vasconez, Samir Mardini, Amanda A Gosman, Marek Dobke, Mark S Granick
BACKGROUND: Telemedicine, the use of information technology and telecommunication to provide healthcare at a distance, is a burgeoning field with applications throughout medicine. Given the visual nature of plastic surgery and dermatology, telemedicine has a myriad of potential applications within the field. METHODS: A comprehensive literature review of articles published on telemedicine since January 2010 was performed. Articles were selected for their relevance to plastic and reconstructive surgery and dermatology, and then reviewed for their discussion of the applications, benefits, and limitations of telemedicine in practice...
June 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28286783/decreasing-incidence-of-cutaneous-chemical-burns-in-a-resource-limited-burn-centre-is-this-a-positive-effect-of-modernization
#20
R E E Nnabuko, C P Okoye, I S Ogbonnaya, Egi Isiwele
BACKGROUND: Burns present a devastating injury to patients. Burns caused by chemical agents, present a worse scenario. In a resource limited country like Nigeria, readily available sources of these corrosive agents are mainly from lead-acid battery vendors and to some extent local small scale soap manufacturers who use caustic soda. We hypothesized that with the reduction in small scale soap manufacturing and increasing trend towards modernization in the use of dry cell batteries, chemical burns may be on the decline, and we sought to investigate this...
2017: Burns and trauma
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