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https://www.readbyqxmd.com/read/28644647/quasi-low-dimensional-electron-gas-with-one-populated-band-as-a-testing-ground-for-time-dependent-density-functional-theory-of-mesoscopic-systems
#1
Vladimir U Nazarov
We find an exact analytical solution to the exchange-only time-dependent density-functional theory (TDDFT) problem for a significant class of quasi-low-dimensional (QLD) materials: QLD electron gas with only one band filled in the direction perpendicular to the layer or wire. The theory yields the TD exchange potential as an explicit nonlocal operator of the TD spin density. The dressed interband (image states) excitation spectra of quasi-two-dimensional electron gas are obtained, while the comparison with the Kohn-Sham transitions provides insights into the qualitative and quantitative role of the many-body interactions...
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28644636/path-controlled-time-reordering-of-paired-photons-in-a-dressed-three-level-cascade
#2
Samir Bounouar, Max Strauß, Alexander Carmele, Peter Schnauber, Alexander Thoma, Manuel Gschrey, Jan-Hindrik Schulze, André Strittmatter, Sven Rodt, Andreas Knorr, Stephan Reitzenstein
The two-photon dressing of a "three-level ladder" system, here the ground state, the exciton, and the biexciton of a semiconductor quantum dot, leads to new eigenstates and allows one to manipulate the time ordering of the paired photons without unitary postprocessing. We show that, after spectral postselection of the single dressed states, the time ordering of the cascaded photons can be removed or conserved. Our joint experimental and theoretical study demonstrates the high potential of a "ladder" system to be a versatile source of orthogonally polarized, bunched or antibunched pairs of photons...
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28643322/difficulties-in-funding-of-va-ecmo-therapy-for-patients-with-severe-accidental-hypothermia
#3
Sylweriusz Kosiński, Tomasz Darocha, Anna Jarosz, Aleksandra Czerw, Paweł Podsiadło, Tomasz Sanak, Robert Gałązkowski, Jacek Piątek, Janusz Konstanty-Kalandyk, Mirosław Ziętkiewicz, Krzysztof Kusza, Łukasz J Krzych, Rafał Drwiła
BACKGROUND: Severe accidental hypothermia is defined as a core temperature below 28 Celsius degrees. Within the last years, the issue of accidental hypothermia and accompanying cardiac arrest has been broadly discussed and European Resuscitation Council (ERC) Guidelines underline the importance of Extracorporeal Rewarming (ECR) in treatment of severely hypothermic victims. The study aimed to evaluate the actual costs of ECR with VA-ECMO and of further management in the Intensive Care Unit of patients admitted to the Severe Accidental Hypothermia Centre in Cracow, Poland...
2017: Anaesthesiology Intensive Therapy
https://www.readbyqxmd.com/read/28641916/methylated-spirit-burns-following-traditional-hair-dressing-practice
#4
Afieharo I Michael, Ayodele O Iyun
Methylated spirit burns have been reported following domestic uses such as igniting fondues. It has also been used as an accelerant for self-immolation. We report the first documented case of severe methylated spirit burns sustained during traditional hair dressing. Increased awareness on the dangers of methylated spirit as well as making it less readily available for domestic use is warranted.
June 19, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28641915/the-antimicrobial-spectrum-of-xeroform-%C3%A2
#5
David J Barillo, Anthony R Barillo, Sarah Korn, Kan Lam, Paul S Attar
INTRODUCTION/BACKGROUND: Xeroform(®) is a petrolatum-based fine mesh gauze containing 3% bismuth tribromophenate. Bismuth, similar to other metals, has antimicrobial properties. Xeroform(®) has been used for decades in burn and plastic surgery as a donor site dressing and as a covering for wounds or partial thickness burns. Despite this, the antimicrobial spectrum of Xeroform(®) remains largely unknown. We examined the in-vitro efficacy of Xeroform(®) against common burn pathogens using zone-of-inhibition methodology in a commercial research facility...
June 19, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28641181/the-caveolae-dress-code-structure-and-signaling
#6
REVIEW
Christophe Lamaze, Nicolas Tardif, Melissa Dewulf, Stéphane Vassilopoulos, Cédric M Blouin
Over the past decade, interest in caveolae biology has peaked. These small bulb-shaped plasma membrane invaginations of 50-80nm diameter present in most cell types have been upgraded from simple membrane structures to a more complex bona fide organelle. However, although caveolae are involved in several essential cellular functions and pathologies, the underlying molecular mechanisms remain poorly defined. Following the identification of caveolins and cavins as the main caveolae constituents, recent studies have brought new insight into their structural organization as a coat...
June 19, 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/28640734/cost-effective-wound-management-a-survey-of-1717-nurses
#7
Heather Newton
Delivering high-quality wound care requires a mix of knowledge and skills, which nurses aim to update by attending educational events such as conferences and study days. This article describes the data obtained from 30 educational study days, which took place across England, Scotland and Wales. It will explore nurses' knowledge in relation to the cost-effectiveness and clinical efficacy of current wound care practices, based on the answers of 1717 delegates that attended the events. It will also outline the results in relation to reducing expenditure on wound dressings and the importance of performing an accurate wound assessment...
June 22, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28640720/fungating-wounds-management-and-treatment-options
#8
Suzanne Tandler, Jackie Stephen-Haynes
This article defines fungating wounds and considers the underlying cause, location and presentation. The clinical challenges presented by fungating wounds are discussed, with reference to evidence-based care delivery. This includes wound assessment, cleansing, debridement and management of malodour, infection, bleeding and exudate. Guidance on the use of wound management dressings is considered in relation to symptom management. The importance of clinical decision-making and educational preparation in the delivery of evidenced-based care for those with fungating wounds is emphasised...
June 22, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/28639707/dressings-and-topical-agents-for-treating-pressure-ulcers
#9
REVIEW
Maggie J Westby, Jo C Dumville, Marta O Soares, Nikki Stubbs, Gill Norman
BACKGROUND: Pressure ulcers, also known as bedsores, decubitus ulcers and pressure injuries, are localised areas of injury to the skin or the underlying tissue, or both. Dressings are widely used to treat pressure ulcers and promote healing, and there are many options to choose from including alginate, hydrocolloid and protease-modulating dressings. Topical agents have also been used as alternatives to dressings in order to promote healing.A clear and current overview of all the evidence is required to facilitate decision-making regarding the use of dressings or topical agents for the treatment of pressure ulcers...
June 22, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28639614/a-coherent-quantum-annealer-with-rydberg-atoms
#10
A W Glaetzle, R M W van Bijnen, P Zoller, W Lechner
There is a significant ongoing effort in realizing quantum annealing with different physical platforms. The challenge is to achieve a fully programmable quantum device featuring coherent adiabatic quantum dynamics. Here we show that combining the well-developed quantum simulation toolbox for Rydberg atoms with the recently proposed Lechner-Hauke-Zoller (LHZ) architecture allows one to build a prototype for a coherent adiabatic quantum computer with all-to-all Ising interactions and, therefore, a platform for quantum annealing...
June 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28639541/influence-of-hyaluronan-nasal-dressing-on-clinical-outcome-after-endoscopic-sinus-surgery-a-systematic-review-and-meta-analysis
#11
J Chen, X Wang, L Chen, J Liu
INTRODUCTION: Hyaluronan nasal dressing might be promising in promoting reepithelialization after endoscopic sinus surgery (ESS). However, the results remain controversial. We conducted a systematic review and meta-analysis to explore the effects of hyaluronan nasal dressing on clinical outcome after ESS. METHODS: Medical literature data bases were systematically searched. Randomized controlled trials (RCT) that assessed the effect of hyaluronan nasal dressing on the outcome after ESS were included...
June 14, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28638280/anticonvulsant-hypersensitivity-syndrome-after-phenytoin-administration-in-an-adolescent-patient-a-case-report-and-review-of-literature
#12
Malik Ghannam, Shaden Mansour, Aya Nabulsi, Qusay Abdoh
BACKGROUND: Hypersensitivity is a rare adverse drug reaction (ADR) associated with anti-epileptic medications. Phenytoin is one of the commonly used drugs for treatment of epilepsy that encounters a hypersensitivity reaction. This reaction can be ranged from mild cutaneous rash to anticonvulsant hypersensitivity syndrome (AHS) or drug reaction with eosinophilia and systemic symptoms (DRESS) that includes fever, rash, eosinophilia and involvement of multiple internal organs. CASE PRESENTATION: A 15 year old middle eastern female patient from Gaza strip with free past medical and allergic history...
2017: Clinical and Molecular Allergy: CMA
https://www.readbyqxmd.com/read/28635188/the-financial-and-quality-of-life-cost-to-patients-living-with-a-chronic-wound-in-the-community
#13
Suzanne Kapp, Nick Santamaria
Chronic wounds are associated with financial and personal costs. The system level expense associated with chronic wounds has been established, however, the out-of-pocket cost incurred by individuals who self-fund has not been the focus of extensive investigation. Recently, there has been renewed interest in evaluating quality of life, in line with the shift to patient enablement and self-care in chronic disease management. The objectives of this research were to describe the out-of-pocket wound treatment costs and the quality of life of people who have chronic wounds...
June 20, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28633581/prediction-and-management-of-drug-reaction-with-eosinophilia-and-systemic-symptoms-dress
#14
Tetsuo Shiohara, Yoko Kano, Kazuhisa Hirahara, Yumi Aoyama
No abstract text is available yet for this article.
March 1, 2017: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/28631809/anabolic-steroids-for-treating-pressure-ulcers
#15
REVIEW
Cho Naing, Maxine A Whittaker
BACKGROUND: Pressure ulcers, also known as bed sores, pressure sores or decubitus ulcers develop as a result of a localised injury to the skin or underlying tissue, or both. The ulcers usually arise over a bony prominence, and are recognised as a common medical problem affecting people confined to a bed or wheelchair for long periods of time. Anabolic steroids are used as off-label drugs (drugs which are used without regulatory approval) and have been used as adjuvants to usual treatment with dressings, debridement, nutritional supplements, systemic antibiotics and antiseptics, which are considered to be supportive in healing of pressure ulcers...
June 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28631771/-dying-in-the-three-graces-arms-when-ethics-dresses-up-as-aesthetics
#16
Sandro Spinsanti
The many adjectives usually used to explain the desirable death - painless, decent, human… - do not include the term "graceful". However, this is a way that can be explored, too, if you imagine to die in the Three Graces' arms, namely in a mood that, according to Ugo Foscolo, is "between the exaggerated cheerfulness and the deep pain". The pathway turns out to be much more productive if we allow ourselves to be led by the original names of the Three Graces and by their symbology. Euphrosyne suggests the wisdom through which the mind guides our choices, especially those that show as palliative cures; Aglaea suggests the peace linked to the possibility to keep the death process under control; Talia lets us imagine a death seen as growth, as a pathway that ends at the peak of our own humanity...
June 2017: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/28631680/-the-influence-of-retinoids-on-the-regeneration-of-an-open-osteal-wound
#17
F V Semenov, G K Leonov
The objective of the present study was to elucidate the influence of retinoid-based pharmaceutical products on the process of regeneration of the tissues surrounding an open osteal wound under the experimental conditions. The experiments were carried out using 20 'Sovetskaya shinshilla' rabbits (12 males and 8 females). The animals with the modelled open osteal wound underwent daily treatment by the placement of the dressings impregnated with a mixture of dioxo-methyltetrahydropyrimidine and chloramphenicol ointments supplemented by 0...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28629091/polyurethane-silica-hybrid-foams-from-a-one-step-foaming-reaction-coupled-with-a-sol-gel-process-for-enhanced-wound-healing
#18
Eun-Ho Song, Seol-Ha Jeong, Ji-Ung Park, Sukwha Kim, Hyoun-Ee Kim, Juha Song
Polyurethane (PU)-based dressing foams have been widely used due to their excellent water absorption capability, optimal mechanical properties, and unequaled economic advantage. However, the low bioactivity and poor healing capability of PU limit the applications of PU dressings in complex wound healing cases. To resolve this problem, this study was carried out the hybridization of bioactive silica nanoparticles with PU through a one-step foaming reaction that is coupled with the sol-gel process. The hybridization with silica did not affect the intrinsically porous microstructure of PU foams with silica contents of up to 10wt% and where 5-60nm silica nanoparticles were well dispersed in the PU matrix, despite slight agglomerations...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28629087/a-novel-candidate-for-wound-dressing-transparent-porous-maghemite-cellulose-nanocomposite-membranes-with-controlled-release-of-doxorubicin-from-a-simple-approach
#19
Hao Zhang, Xiaogang Luo, Hu Tang, Mingming Zheng, Fenghong Huang
The aim of this study is to develop transparent maghemite/cellulose nanocomposite membranes with high porosity, high adsorption capacity and controlled release of doxorubicin to be used as a candidate for wound dressing. The membranes were fabricated by a tape casting method through blending a homogeneous dispersion of citrate coated maghemite nanoparticles and cellulose in the NaOH/urea aqueous solution system. The prepared membranes were characterized by Light transmittance measurements, Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), X-ray Diffractometry (XRD), Differential scanning calorimetry (DSC), Tensile tests and Vibrating sample magnetometer (VSM)...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28629085/design-of-a-hybrid-biomaterial-for-tissue-engineering-biopolymer-scaffold-integrated-with-an-autologous-hydrogel-carrying-mesenchymal-stem-cells
#20
Caroline R Weinstein-Oppenheimer, Donald I Brown, Rodrigo Coloma, Patricio Morales, Mauricio Reyna-Jeldes, María J Díaz, Elizabeth Sánchez, Cristian A Acevedo
Biologically active biomaterials as biopolymers and hydrogels have been used in medical applications providing favorable results in tissue engineering. In this research, a wound dressing device was designed by integration of an autologous clot hydrogel carrying mesenchymal stem-cells onto a biopolymeric scaffold. This hybrid biomaterial was tested in-vitro and in-vivo, and used in a human clinical case. The biopolymeric scaffold was made with gelatin, chitosan and hyaluronic acid, using a freeze-drying method...
October 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
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