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https://www.readbyqxmd.com/read/28381634/negative-co2-emissions-via-enhanced-silicate-weathering-in-coastal-environments
#1
REVIEW
Filip J R Meysman, Francesc Montserrat
Negative emission technologies (NETs) target the removal of carbon dioxide (CO2) from the atmosphere, and are being actively investigated as a strategy to limit global warming to within the 1.5-2°C targets of the 2015 UN climate agreement. Enhanced silicate weathering (ESW) proposes to exploit the natural process of mineral weathering for the removal of CO2 from the atmosphere. Here, we discuss the potential of applying ESW in coastal environments as a climate change mitigation option. By deliberately introducing fast-weathering silicate minerals onto coastal sediments, alkalinity is released into the overlying waters, thus creating a coastal CO2 sink...
April 2017: Biology Letters
https://www.readbyqxmd.com/read/28343703/knowledge-attitudes-and-practices-regarding-environmental-cleaning-among-environmental-service-workers-in-chinese-hospitals
#2
Kaiwen Ni, Bingbing Chen, Hui Jin, Qingxin Kong, Xiaoping Ni, Hong Xu
We conducted a study using a face-to-face survey to assess knowledge, attitudes, and practices of environmental service workers (ESWs) concerning routine cleaning and disinfection at 3 tertiary hospitals in China. There were 115 (89.1%) respondents who agreed that environmental cleaning can contribute to keep patients safe, whereas 63 (48.8%) reported they were very willing to make cleaning practices better. Only 15 (11.6%) ESWs agreed they were in risk of nosocomial infections during daily cleaning. Our findings suggest that the level of ESWs' knowledge regarding cleaning practices was passable, but the awareness of occupational safety and health was weak...
March 23, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28272494/an-innovative-approach-for-enhancing-bone-defect-healing-using-plga-scaffolds-seeded-with-extracorporeal-shock-wave-treated-bone-marrow-mesenchymal-stem-cells-bmscs
#3
Youbin Chen, Jiankun Xu, Zhonglian Huang, Menglei Yu, Yuantao Zhang, Hongjiang Chen, Zebin Ma, Haojie Liao, Jun Hu
Although great efforts are being made using growth factors and gene therapy, the repair of bone defects remains a major challenge in modern medicine that has resulted in an increased burden on both healthcare and the economy. Emerging tissue engineering techniques that use of combination of biodegradable poly-lactic-co-glycolic acid (PLGA) and mesenchymal stem cells have shed light on improving bone defect healing; however, additional growth factors are also required with these methods. Therefore, the development of novel and cost-effective approaches is of great importance...
March 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28160590/is-it-possible-to-change-of-the-duration-of-consolidation-period-in-the-distraction-osteogenesis-with-the-repetition-of-extracorporeal-shock-waves
#4
M-E Onger, C Bereket, I Sener, N Ozkan, E Senel, A-V Polat
BACKGROUND: In this study we examined the effects of two different repeated Extracorporeal Shock Waves (ESW) on the consolidation period of the distraction osteogenesis (DO) of the rabbit mandible using stereological, radiological and immunohistochemical methods. MATERIAL AND METHODS: DO was performed unilaterally in the mandible of 18 New Zealand rabbits (six months old, weighing between 2.5-3 kg). In the consolidation period, rabbits were divided into three groups randomly after the distraction period...
March 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28073178/polyclonal-and-monoclonal-antibodies-for-induction-therapy-in-kidney-transplant-recipients
#5
REVIEW
Penny Hill, Nicholas B Cross, A Nicholas R Barnett, Suetonia C Palmer, Angela C Webster
BACKGROUND: Prolonging kidney transplant survival is an important clinical priority. Induction immunosuppression with antibody therapy is recommended at transplantation and non-depleting interleukin-2 receptor monoclonal antibodies (IL2Ra) are considered first line. It is suggested that recipients at high risk of rejection should receive lymphocyte-depleting antibodies but the relative benefits and harms of the available agents are uncertain. OBJECTIVES: We aimed to: evaluate the relative and absolute effects of different antibody preparations (except IL2Ra) when used as induction therapy in kidney transplant recipients; determine how the benefits and adverse events vary for each antibody preparation; determine how the benefits and harms vary for different formulations of antibody preparation; and determine whether the benefits and harms vary in specific subgroups of recipients (e...
January 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27934513/assessing-the-surface-area-of-porous-solids-limitations-probe-molecules-and-methods
#6
Martijn F de Lange, Li-Chiang Lin, Jorge Gascon, Thijs J H Vlugt, Freek Kapteijn
In this modeling study, the uses of nitrogen (77.3 K), probe molecule of choice for decades, and argon, opted as alternative in the 2015 IUPAC report on adsorptive characterization, as probe molecules for geometric surface area determination are compared. Graphene sheets possessing slit-shaped pores with varying size (width) are chosen as model porous solids, and different methods for the determination of specific surface areas are investigated. The BET method, which is the most commonly applied analysis, is compared to the Langmuir and relatively recently proposed ESW (excess sorption work) method...
December 6, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/27888534/early-steroid-withdrawal-results-in-improved-patient-and-graft-survival-and-lower-risk-of-post-transplant-cardiovascular-risk-profiles-a-single-center-10-year-experience
#7
Reynold I Lopez-Soler, Ryan Chan, Jessica Martinolich, Lisa Park, Ashar Ata, Nikolaos Chandolias, David J Conti
Long-term use of steroids results in predictable secondary effects that can lead to increased morbidity and mortality. In this study, we present 10 years worth of data of early steroid withdrawal (ESW) immunosuppression consisting of mycophenolate, sirolimus, and tacrolimus. From 2003 to 2013, 563 kidney transplant recipients were weaned off steroids prior to discharge. We compared outcomes with that of our 65 historical controls maintained on steroids. We analyzed graft and patient survival and determined the incidence of steroid-related comorbidities such as hypertension, hypercholesterolemia, diabetes, coronary artery disease, and weight gain...
November 26, 2016: Clinical Transplantation
https://www.readbyqxmd.com/read/27723374/comparison-of-clinical-efficacy-among-endoscopy-assisted-radio-frequency-ablation-extracorporeal-shockwaves-and-eccentric-exercises-in-treatment-of-insertional-achilles-tendinosis
#8
Min Wei, Yujie Liu, Zhongli Li, Zhigang Wang
BACKGROUND: We sought to compare clinical efficacy among endoscopy-assisted radio-frequency ablation under local anesthesia, extracorporeal shockwaves (ESWs), and eccentric exercises in treating insertional Achilles tendinosis. METHODS: In this retrospective study, 78 patients diagnosed as having unilateral insertional Achilles tendinosis were enrolled. These participants underwent endoscopy-assisted radio-frequency ablation, ESWs, and eccentric calf muscle exercises between March 1, 2006, and February 28, 2011...
October 10, 2016: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/27679772/self-worth-and-psychological-adjustment-of-obese-children-an-analysis-through-the-draw-a-person
#9
Giuseppe Scimeca, Amelia Alborghetti, Antonio Bruno, Giulia Maria Troili, Gianluca Pandolfo, Maria Rosaria Anna Muscatello, Rocco Antonio Zoccali
AIM: To investigate psychopathological correlates of child obesity via the Draw-A-Person test (DAP). METHODS: The participants were 50 children with a mean age of 9.74 years. Body mass index (BMI) was used as a measure of body fat. Children were divided into normal (n = 17), overweight (n = 14) and obese (n = 19). Two qualitative methods of scoring the DAP based on an integrative approach were used to assess self-concept (ESW) and overall level of children's adjustment (EAC)...
September 22, 2016: World Journal of Psychiatry
https://www.readbyqxmd.com/read/27619896/understanding-barriers-to-optimal-cleaning-and-disinfection-in-hospitals-a-knowledge-attitudes-and-practices-survey-of-environmental-services-workers
#10
Daniel A Bernstein, Elizabeth Salsgiver, Matthew S Simon, William Greendyke, Daniel P Eiras, Masahiro Ito, Dean A Caruso, Timothy M Woodward, Odette T Perriel, Lisa Saiman, E Yoko Furuya, David P Calfee
In this study, we used an online survey to assess knowledge, attitudes, and practices related to environmental cleaning and other infection prevention strategies among environmental services workers (ESWs) at 5 hospitals. Our findings suggest that ESWs could benefit from additional education and feedback as well as new strategies to address workflow challenges. Infect Control Hosp Epidemiol 2016;1492-1495.
December 2016: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/27589545/extensive-use-of-vasodilator-agents-and-functional-echocardiography-to-monitor-extremely-low-birth-weight-infants-in-japan
#11
M Miyata, K Toyoshima, H Yoda, M Murase, H Kawato, K Yamamoto, K Tanaka, M Kotani, M Kobayashi
National surveys were conducted in Japan to assess the current practices for circulatory management of extremely-low-birth-weight infants (ELBWIs) in acute phases. Approximately 80 and 100 institutions were surveyed in 2006 and 2011, respectively. Echocardiography was identified as an important diagnostic tool at 95% of the surveyed institutions. Furthermore, 74% of the institutions survey in 2011 used vasodilator agents. In 2011, the mean velocity of circumferential fiber shortening (mVcfc) and left ventricular end-systolic wall stress (ESWS) were used by 60% of the surveyed institutions to evaluate the relationship between afterload of the left ventricle and left ventricular contractility...
September 16, 2016: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/27515217/prostaglandin-e2-and-connexin-43-crosstalk-in-the-osteogenesis-induced-by-extracorporeal-shockwave
#12
Youbin Chen, Jiankun Xu, Haojie Liao, Zebin Ma, Yuantao Zhang, Hongjiang Chen, Zhonglian Huang, Jun Hu
As a type of mechanical stimulation, extracorporeal shockwave (ESW) has been widely used in the clinic to treat bone fracture delayed union and non-unions. A large number of studies have shown beneficial effects of ESW in promoting fracture healing by inducing bone regeneration; however, the underlying mechanisms remain unclear. ESW has been shown to induce the production of prostaglandin E2 (PGE2), which is essential for gap junction intercellular communication in response to mechanical stress. Among the 19 known gap junction subunits, connexin43 (Cx43) is the most prevalent for mediating the response of mechanical stress...
September 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27455287/preparation-of-chito-oligomers-by-hydrolysis-of-chitosan-in-the-presence-of-zeolite-as-adsorbent
#13
Khalid A Ibrahim, Bassam I El-Eswed, Khaleel A Abu-Sbeih, Tawfeeq A Arafat, Mahmoud M H Al Omari, Fouad H Darras, Adnan A Badwan
An increasing interest has recently been shown to use chitin/chitosan oligomers (chito-oligomers) in medicine and food fields because they are not only water-soluble, nontoxic, and biocompatible materials, but they also exhibit numerous biological properties, including antibacterial, antifungal, and antitumor activities, as well as immuno-enhancing effects on animals. Conventional depolymerization methods of chitosan to chito-oligomers are either chemical by acid-hydrolysis under harsh conditions or by enzymatic degradation...
July 23, 2016: Marine Drugs
https://www.readbyqxmd.com/read/27266487/electrochemical-stability-window-of-imidazolium-based-ionic-liquids-as-electrolytes-for-lithium-batteries
#14
Saeed Kazemiabnavi, Zhengcheng Zhang, Katsuyo Thornton, Soumik Banerjee
This paper presents the computational assessment of the electrochemical stability of a series of alkyl methylimidazolium-based ionic liquids for their use as lithium battery electrolytes. The oxidation and reduction potentials of the constituent cation and anion of each ionic liquid with respect to a Li(+)/Li reference electrode were calculated using density functional theory following the method of thermodynamic cycles, and the electrochemical stability windows (ESW)s of these ionic liquids were obtained. The effect of varying the length of alkyl side chains of the methylimidazolium-based cations on the redox potentials and ESWs was investigated...
June 30, 2016: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/27260244/increased-effects-of-extracorporeal-shock-waves-combined-with-gentamicin-against-staphylococcus-aureus-biofilms-in%C3%A2-vitro%C3%A2-and-in%C3%A2-vivo
#15
Xin Qi, Yaochao Zhao, Jieyuan Zhang, Dan Han, Chunyuan Chen, Yinjun Huang, Xiaofeng Chen, Xianlong Zhang, Ting Wang, Xiaolin Li
An implant-associated bacterial infection is one of the most common and costly complications of orthopedic surgery. Once biofilms develop, it is extremely difficult to cure infections with antimicrobial agents. High-energy extracorporeal shock wave (ESW) treatment has been used for orthopedic-related diseases and has been found to be an effective bactericidal agent that is tolerable both in vitro and in vivo. The broad-spectrum antibiotic gentamicin exhibits bactericidal activity against Staphylococcus aureus, and bacterial resistance to gentamicin is lower...
September 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27240307/long-term-follow-up-of-cognitive-functions-in-patients-with-continuous-spike-waves-during-sleep-csws
#16
Lucia Maltoni, Annio Posar, Antonia Parmeggiani
Continuous spike-waves during sleep (CSWS) are associated with several cognitive, neurological, and psychiatric disorders, which sometimes persist after CSWS disappearance. The purpose of this retrospective study was to investigate the correlation between general (clinical and instrumental) and neuropsychological findings in CSWS, to identify variables that predispose patients to a poorer long-term neuropsychological outcome. Patients with spikes and waves during sleep with a frequency ≥25/min (spikes and waves frequency index - SWFI) were enrolled...
July 2016: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/27213514/laboratory-evaluation-of-electrostatic-spray-wet-scrubber-to-control-particulate-matter-emissions-from-poultry-facilities
#17
Yu Ru, Lingying Zhao, Lara Jane S Hadlocon, Heping Zhu, Sanjay K Ramdon
Particulate matter (PM) is a major air pollutant from animal production with significant impacts on human health and the environment. Abatement of PM emissions is imperative and effective PM control technologies are strongly needed. In this work, an electrostatic spray wet scrubber (ESWS) technology designed for removal of PM (PM10 and PM2.5) emissions from poultry facilities was evaluated under simulated laboratory conditions. Effects of primary operating parameters - including charging voltage (0-14 kV), air speed (0...
January 2017: Environmental Technology
https://www.readbyqxmd.com/read/27160128/obesity-related-cardiovascular-behavior-in-children
#18
E A Özkan, H E Khosroshahi, M Kılıç, U A Geçit, E Domur
OBJECTIVE: Obesity is a chronic metabolic disorder and may associate with cardiovascular geometrical, structural and functional changes. The aim of this study is to assess the relationship between body mass index (BMI), body surface area (BSA) and arterial-ventricular elasticity (Ea and Ees respectively) and cardiovascular coupling and myocardial wall stress and fiber stress in obese children. PATIENTS AND METHODS: Sixty non-obese healthy children with BMI <85th percentile aged 6-17 years and 65 age and sex-matched children with BMI of ≥95th percentile, were included in the study...
April 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27126239/the-effect-of-radial-extracorporeal-shock-wave-stimulation-on-upper-limb-spasticity-in-chronic-stroke-patients-a-single-blind-randomized-placebo-controlled-study
#19
Robert Dymarek, Jakub Taradaj, Joanna Rosińczuk
The main purpose of this study was to determine the clinical, electrophysiological and thermal effects of radial extracorporeal shock wave (rESW) stimulation on upper limb muscles affected by spasticity in patients with chronic stroke. Patients included in the study were randomly assigned into the following two groups: 30 patients stimulated with active rESW (A); and 30 patients stimulated with placebo rESW (B). All patients were analyzed using the Modified Ashworth Scale (MAS) to test the spasticity levels of the elbow (E), radio carpal (RC) and fingers (FF) joints; surface electromyography (sEMG) was performed for the resting bioelectrical activity registration of the flexor carpi radialis (FCR) and flexor carpi ulnaris (FCU) muscles; and infrared thermal imaging (IRT) was used to assess the temperature distributions of the carpal flexor muscles (CFM)...
August 2016: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/27099130/medical-ozone-therapy-reduces-shock-wave-therapy-induced-renal-injury
#20
Sami Uğuz, Zafer Demirer, Bulent Uysal, Bilal Firat Alp, Ercan Malkoc, Ali Guragac, Turker Turker, Ferhat Ateş, Kenan Karademir, Ayhan Ozcan, Ibrahim Yildirim, Ahmet Korkmaz, Ahmet Guven
OBJECTIVES: Extracorporeal shock wave (ESW) lithotripsy is the preferred treatment modality for uncomplicated kidney stones. More recently free oxygen radical production following ESW application has been considered to be crucial in shock wave-induced renal damage. It has been shown that ozone therapy (OT) has ameliorative and preventive effects against various pathological conditions due to increased nitro-oxidative stress. In current study, we aimed to evaluate the efficacy of OT against ESW-induced renal injury...
July 2016: Renal Failure
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