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Oliver F Medzihradsky, Immo Kleinschmidt, Davis Mumbengegwi, Kathryn W Roberts, Patrick McCreesh, Mi-Suk Kang Dufour, Petrina Uusiku, Stark Katokele, Adam Bennett, Jennifer Smith, Hugh Sturrock, Lisa M Prach, Henry Ntuku, Munyaradzi Tambo, Bradley Didier, Bryan Greenhouse, Zaahira Gani, Ann Aerts, Roly Gosling, Michelle S Hsiang
INTRODUCTION: To interrupt malaria transmission, strategies must target the parasite reservoir in both humans and mosquitos. Testing of community members linked to an index case, termed reactive case detection (RACD), is commonly implemented in low transmission areas, though its impact may be limited by the sensitivity of current diagnostics. Indoor residual spraying (IRS) before malaria season is a cornerstone of vector control efforts. Despite their implementation in Namibia, a country approaching elimination, these methods have been met with recent plateaus in transmission reduction...
January 27, 2018: BMJ Open
Dan Hu, Xiuru Xu, Jingsheng Miao, Ori Gidron, Hong Meng
Flexible, stretchable electroluminescent fibers are of significance to meet the escalating requirements of increasing complexity and multifunctionality of smart electronics. We report a stretchable alternating current electroluminescent (ACEL) fiber by a low-cost and all solution-processed scalable process. The ACEL fiber provides high stretchability, decent light-emitting performance, with excellent stability and nearly zero hysteresis. It can be stretched up to 80% strain. Our ACEL fiber device maintained a stable luminance for over 6000 stretch-release cycles at 50% strain...
January 24, 2018: Materials
Bing Xiong, Weibing Zhong, Qing Zhu, Ke Liu, Mufang Li, Gang Sun, Dong Wang
The development of electronics towards a more functions-integrated, flexible and stretchable direction requires mechanically flexible substrates with high thermal and dimensional stability and optical transparency. Herein, rolls of an optically transparent PVA-co-PE nanofibrous membrane/epoxy composite with synergistically enhanced thermal stability, very low CTE, and outstanding mechanical properties are reported. The nanoscale size, the unique inter-stack structure, and the strong interfacial interactions between the PVA-co-PE nanofibers and the epoxy contribute to the synergistic effects...
December 14, 2017: Nanoscale
Giang T Quach, Jared Frisby, Kurt Kralovich, Mustafa Bohra
Necrotizing fasciitis (NF) is an infrequently encountered skin infection that has high morbidity and mortality, even with prompt medical and surgical intervention. We describe the case of a 67-year-old male presenting with significant NF in his left lower extremity, despite aggressive surgical intervention, and included multiple surgical debridements, ACell Matrix, split-thickness, and negative wound VAC therapy. Ultimately, this patient required a below the knee amputation. This is the first documented case of Haemophilus influenza type a causing NF...
October 2017: Journal of Investigative Medicine High Impact Case Reports
Rabie M Shanti, Ryan J Smart, Andrew Meram, David Kim
This report establishes a novel application of a commercially available porcine urinary bladder extracellular matrix, MatriStem (ACell, Inc., Columbia, MD), in the salvage of partial loss of the skin paddle of a fibula osteoseptocutaneous free flap that was utilized for mandibular reconstruction.
December 2017: Craniomaxillofacial Trauma & Reconstruction
Sun-Ki Kim, Daehwan Chung, Michael E Himmel, Yannick J Bomble, Janet Westpheling
Members of the genus Caldicellulosiruptor are the most thermophilic cellulolytic bacteria so far described and are capable of efficiently utilizing complex lignocellulosic biomass without conventional pretreatment. Previous studies have shown that accumulation of high concentrations of cellobiose and, to a lesser extent, cellotriose, inhibits cellulase activity both in vivo and in vitro and high concentrations of cellobiose are present in C. bescii fermentations after 90 h of incubation. For some cellulolytic microorganisms, β-D-glucosidase is essential for the efficient utilization of cellobiose as a carbon source and is an essential enzyme in commercial preparations for efficient deconstruction of plant biomass...
December 2017: Journal of Industrial Microbiology & Biotechnology
Yana Puckett, Theophilus Pham, Shirley McReynolds, Catherine A Ronaghan
We present a case report on the successful healing of a Pseudomonas infection wound in a 52-year-old female with morbid obesity, noninsulin dependent diabetes mellitus and a history of tobacco use, who presented with Stage IIIA (T3, N2, Mo) infiltrating ductal carcinoma. The patient received neoadjuvant chemotherapy prior to her bilateral skin-sparing total mastectomies with right axillary sentinel lymphadenectomy. She also had staged reconstruction with temporary breast implants and plans for deep inferior epigastric perforator flaps...
July 10, 2017: Curēus
Breda M Cullen, Thomas E Serena, Molly C Gibson, Robert J Snyder, Jason R Hanft, Raphael A Yaakov
OBJECTIVE: To assess healing outcomes in venous leg ulcers (VLUs) treated with a combination of collagen, oxidized regenerated cellulose, and silver in conjunction with standard of care (SOC; intervention group) compared with SOC alone (control group). Standard of care included ADAPTIC nonadhering dressing (Acelity, San Antonio, Texas) and compression. DESIGN AND SETTING: Randomized controlled trial that followed patients in 3 US facilities for 12 weeks or until complete healing...
October 2017: Advances in Skin & Wound Care
Haren B Gosai, Bhumi K Sachaniya, Dushyant R Dudhagara, Rahul K Rajpara, Bharti P Dave
A comprehensive investigation was conducted in order to assess the levels of PAHs, their input prediction and potential risks to bacterial abundance and human health along Gujarat coastline. A total of 40 sediment samples were collected at quarterly intervals within a year from two contaminated sites-Alang-Sosiya Shipbreaking Yard (ASSBRY) and Navlakhi Port (NAV), situated at Gulf of Khambhat and Gulf of Kutch, respectively. The concentration of ΣPAHs ranged from 408.00 to 54240.45 ng g(-1) dw, indicating heavy pollution of PAHs at both the contaminated sites...
August 11, 2017: Environmental Geochemistry and Health
Armağan Acele, Ahmet O Baykan, Gülhan Yüksel Kalkan, Emel Çeliker, Mustafa Gür
BACKGROUND: Although the relationship between epicardial fat thickness (EFTh) and coronary atherosclerosis is well established, this relation in the early periods of atherosclerosis has not been fully demonstrated. On the other hand, thoracic aortic intima-media thickness (IMT) rather than carotid IMT was reported as an earlier marker of preclinical atherosclerosis. OBJECTIVE: We aimed to assess the relationship between thoracic aortic IMT and EFTh in patients undergoing transesophageal echocardiography (TEE) examination for different indications...
August 2017: Echocardiography
Sun-Ki Kim, Daehwan Chung, Michael E Himmel, Yannick J Bomble, Janet Westpheling
The use of microbial cells to convert plant biomass directly to fuels and chemicals is referred to as consolidated bioprocessing (CBP). Members of the bacterial genus, Caldicellulosiruptor (Gram-positive, anaerobic hyperthermophiles) are capable of deconstructing plant biomass without enzymatic or chemical pretreatment. This is accomplished by the production and secretion of free, multi-domain enzymes that outperform commercial enzyme cocktails on some substrates. Here, we show that the exoproteome of Caldicellulosiruptor bescii may be enhanced by the heterologous expression of enzymes from Acidothermus cellulolyticus that act synergistically to improve sugar release from complex substrates; as well as improve cell growth...
November 2017: Biotechnology and Bioengineering
Ömer Şen, Mustafa Topuz, Armağan Acele, Oğuz Akkuş, Ahmet Oytun Baykan, Mevlüt Koç
BACKGROUND: The preventive role of acute occurring of collateral circulation (AOCC) to infarct related artery (IRA) in patients presenting with acute ST-segment elevation myocardial infarction (STEMI) is well known. Therefore, we aimed to investigate whether there is an association between admission plasma 25-(OH) vitamin D (25(OH)D3) levels and grade of collateralization in patients with STEMI. METHODS: We prospectively included 369 STEMI patients within the first 12 h of symptoms onset...
June 14, 2017: Cardiology Journal
Peter Olejník, Matej Nosal, Tomas Havran, Adriana Furdova, Maros Cizmar, Michal Slabej, Andrej Thurzo, Pavol Vitovic, Martin Klvac, Tibor Acel, Jozef Masura
BACKGROUND AND AIM: To evaluate the accuracy of the three-dimensional (3D) printing of cardiovascular structures. To explore whether utilisation of 3D printed heart replicas can improve surgical and catheter interventional planning in patients with complex congenital heart defects. METHODS: Between December 2014 and November 2015 we fabricated eight cardiovascular models based on computed tomography data in patients with complex spatial anatomical relationships of cardiovascular structures...
2017: Kardiologia Polska
Justine S Kim, Alexander J Kaminsky, J Blair Summitt, Wesley P Thayer
Objective: Burn injuries remain a large financial burden on the healthcare system. According to CDC statistics (2010), nonfatal and hospitalized burns in the U.S. cost $1.8 billion for an annual incidence of ∼486,000 cases. To date, no technique proves to be the ideal therapy of deep partial-thickness burns. In this study, we review a trial usage of ACell (ACell, Inc.) wound matrix on deep partial-thickness burns. Approach: Burn patients were admitted through the Vanderbilt Emergency Department. Three were consented to receive ACell therapy...
December 1, 2016: Advances in Wound Care
Andrea D Maderal, Robert S Kirsner
Chronic wounds are an increasingly prevalent disease with a significant healthcare burden. These wounds often do not respond to standard of care therapy alone, requiring the use of adjuvant therapies. Epidermal grafting, previously utilized primarily for correction of leukoderma, is increasingly being recognized as a beneficial therapy for wounds, both acute and chronic. Epidermal grafting has been shown to be effective in the management of chronic wounds, with successful healing in refractory patients. It has not only been shown to be effective, but it is also associated with lower cost and morbidity than traditional skin grafting techniques as well as improved donor site healing...
November 11, 2016: Curēus
Stephen S Cai, Arvind U Gowda, Karan Chopra, Rachel Waldman, Ronald P Silverman, Yvonne M Rasko
INTRODUCTION: Epidermal grafting has several advantages over full-thickness or split-thickness grafts in the treatment of complex non-healing wounds. These include the low risk of donor site complications, minimal patient discomfort, and abstention from the operating room. Traditionally, the lack of reliable epidermal harvesting techniques has limited its clinical utilization. The development of an automated suction blister epidermal graft (SBEG) harvesting device may facilitate clinical utilization of this technique...
October 30, 2016: Curēus
Priscilla Lee
Acute compartment syndrome (ACS) is a serious complication of lower-extremity trauma caused by accidents or post-procedure complications. ACS is characterized by increased pressure within the compartment, resulting in reduced blood flow, tissue hypoxia, and tissue necrosis. Fasciotomies to relieve pressure and debridement of necrotic tissue comprise primary treatment. My purpose is to present initial experience using negative pressure wound therapy with instillation and dwell time (NPWTi-d)* to treat fasciotomy wounds in two patients...
October 28, 2016: Curēus
K Kiraz, T Gökdeniz, E Kalaycıoglu, A Börekçi, S Akyol, A O Baykan, A Acele, S Karakoyun, T Seker, M Gür
OBJECTIVE: Cardiovascular diseases (CVD) are common in patients with chronic obstructive pulmonary disease (COPD) and the BODE index is an important tool for the prognostic assessment of COPD patients. It is well known that epicardial fat thickness (EFT) is related to CVD. However, there are very few data about the relationship between EFT and BODE index. The aim of this study is to investigate the relationship between EFT and BODE index in patients with COPD. PATIENTS AND METHODS: We prospectively included 157 patients with COPD and 45 controls in the present study...
November 2016: European Review for Medical and Pharmacological Sciences
Li Wen, Nishuang Liu, Siliang Wang, Hui Zhang, Wanqiu Zhao, Zhichun Yang, Yumei Wang, Jun Su, Luying Li, Fei Long, Zhengguang Zou, Yihua Gao
Flexible alternating current electroluminescent devices (ACEL) are more and more popular and widely used in liquid-crystal display back-lighting, large-scale architectural and decorative lighting due to their uniform light emission, low power consumption and high resolution. However, presently how to acquire high brightness under a certain voltage are confronted with challenges. Here, we demonstrate an electroluminescence (EL) enhancing strategy that tetrapod-like ZnO whiskers (T-ZnOw) are added into the bottom electrode of carbon nanotubes (CNTs) instead of phosphor layer in flexible ACEL devices emitting blue, green and orange lights, and the brightness is greatly enhanced due to the coupling between the T-ZnOw and ZnS phosphor dispersed in the flexible polydimethylsiloxane (PDMS) layer...
October 3, 2016: Optics Express
M Martinson, N Martinson
OBJECTIVE: To compare the relative product cost and clinical outcomes of four skin substitutes used as adjunctive treatments for diabetic foot ulcers (DFUs). METHOD: Medicare claims data from 2011 to 2014 were used to identify beneficiaries with diabetes and foot ulcers. Patients treated with one of four types of skin substitute (Apligraf, Dermagraft, OASIS, and MatriStem) were identified. The skin substitutes were compared on episode length; amputation rate; skin substitute utilisation; and skin substitute costs...
October 2016: Journal of Wound Care
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