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https://www.readbyqxmd.com/read/28327599/metal-organic-framework-templated-synthesis-of-ultrasmall-catalyst-loaded-zno-znco2o4-hollow-spheres-for-enhanced-gas-sensing-properties
#1
Won-Tae Koo, Seon-Jin Choi, Ji-Soo Jang, Il-Doo Kim
To achieve the rational design of nanostructures for superior gas sensors, the ultrasmall nanoparticles (NPs) loaded on ternary metal oxide (TMO) hollow spheres (HS) were synthesized by using the polystyrene (PS) sphere template and bimetallic metal-organic framework (BM-MOFs) mold. The zinc and cobalt based zeolite imidazole frameworks (BM-ZIFs) encapsulating ultrasmall Pd NPs (2-3 nm) were assembled on PS spheres at room temperature. After calcination at 450 °C, these nanoscale Pd particles were effectively infiltrated on the surface of ZnO/ZnCo2O4 HSs...
March 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28317265/simultaneous-determination-of-eight-alkaloids-and-oleandrin-in-herbal-cosmetics-by-dispersive-solid-phase-extraction-coupled-with-ultra-high-performance-liquid-chromatography-and-tandem-mass-spectrometry
#2
Zhiqing Xun, Donghong Liu, Rongrong Huang, Shuang He, Du Hu, Xindong Guo, Yanping Xian
We utilized ultra high performance liquid chromatography with tandem mass spectrometry and dispersive solid-phase extraction to develop a new method for the detection of nine analytes (scopolamine, cephaeline, strychnine, hyoscyamine, brucine, hydrastine, ajmalicine, colchicine and oleandrin) in herbal cosmetics. Acetonitrile/water and 2-propylaminoethylamine were used to disperse and purify during the dispersive solid-phase extraction step. The analytes were separated by a Waters UPLC HSS T3 column and detected through electrospray ionization source in the positive mode with multi-reaction monitoring conditions...
March 20, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28317213/dual-role-as-a-protective-factor-for-burnout-related-depersonalization-in-oncologists
#3
Yi He, Ying Pang, Yening Zhang, Richard Fielding, Lili Tang
PURPOSE: This study compared self-reported burnout between dual-role oncologists (oncologists who also do psychosocial work) and single-role oncologists, to explore if dual role is protective against or a risk factor for burnout. METHODS: Dual-role oncologists from across China (n = 131) were consecutively recruited via the Chinese Psychosocial Oncology Society (CPOS) and asked to identify single-role oncologist peers (n = 168) working in the same institution...
March 20, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28302432/the-influence-of-spatial-configuration-on-the-frequency-of-use-of-hand-sanitizing-stations-in-health-care-environments
#4
Jun Rong Jeffrey Neo, Rana Sagha-Zadeh
BACKGROUND: The lack of user-friendly, accessible, and visible hand sanitizing stations (HSSs) in health care environments are significant factors affecting low hand hygiene compliance rates among caregivers. OBJECTIVE: To determine whether the simulated parameters of visibility and global traffic flow score for an HSS can influence the frequency of use of that HSS. METHODS: Space syntax was used to measure virtual simulation of spatial layouts of 3 units to provide quantitative visibility and global traffic flow scores for each HSS...
March 13, 2017: American Journal of Infection Control
https://www.readbyqxmd.com/read/28302132/long-term-results-and-comparison-of-the-three-different-high-tibial-osteotomy-and-fixation-techniques-in-medial-compartment-arthrosis
#5
Gökhan Polat, Halil İbrahim Balcı, Mehmet Fevzi Çakmak, Mehmet Demirel, Cengiz Şen, Mehmet Aşık
BACKGROUND: The purpose of this study is to report and analyze the long-term outcomes of the patients who underwent high tibial osteotomy (HTO) with three different techniques for the treatment of medial compartment arthrosis. METHODS: A total of 187 patients (195 knees) who underwent HTO between 1990 and 2010 were retrospectively evaluated. Eighty-eight knees, opening-wedge osteotomy with Puddu plate (group A); 51 knees, transverse osteotomy below the tubercle with external fixator (group B); and 29 knees, closing-wedge osteotomy with staple fixation (group C) were included in the study...
March 16, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28292561/dried-blood-spots-combined-to-an-uplc-ms-ms-method-for-the-simultaneous-determination-of-drugs-of-abuse-in-forensic-toxicology
#6
Susana Sadler Simões, Antonio Castañera Ajenjo, Mário João Dias
A method for the simultaneous determination of 11 illicit drugs, using the dried blood spot (DBS) sampling technique combined with the UPLC-MS/MS technology was developed to study its applicability within the forensic toxicology. The DBS samples, prepared from a blood volume of 50μL and using the Whatman® BFC 180 bloodstain cards, were extracted with a methanol/acetonitrile mixture. The chromatographic separation was performed using an Acquity UPLC(®) HSS T3 column (100mm×2.1mm, 1.8μm) and an acetonitrile/2mM ammonium formate (0...
February 27, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28288072/dissecting-leapfrog-how-well-do-leapfrog-safe-practices-scores-correlate-with-hospital-compare-ratings-and-penalties-and-how-much-do-they-matter
#7
Shawna N Smith, Heidi A Reichert, Jessica M Ameling, Jennifer Meddings
BACKGROUND: Voluntary Leapfrog Safe Practices Score (SPS) measures were among the first public reports of hospital performance. Recently, Medicare's Hospital Compare website has reported compulsory measures. Leapfrog's Hospital Safety Score (HSS) grades incorporate SPS and Medicare measures. We evaluate associations between Leapfrog SPS and Medicare measures, and the impact of SPS on HSS grades. METHODS: Using 2013 hospital data, we linked Leapfrog HSS data with central line-associated bloodstream infection (CLABSI) and catheter-associated urinary tract infection (CAUTI) standardized infection ratios (SIRs), and Hospital Readmission and Hospital-Acquired Condition (HAC) Reduction Program penalties incorporating 2013 performance...
March 10, 2017: Medical Care
https://www.readbyqxmd.com/read/28275146/second-site-of-pyrrolizidine-alkaloid-biosynthesis-in-comfrey-boosts-plant-defense-in-floral-stage
#8
Lars H Kruse, Thomas Stegemann, Christian Sievert, Dietrich Ober
Pyrrolizidine alkaloids (PAs) are toxic secondary metabolites that are found in several, distantly related families of the angiosperms. The first specific step in PA biosynthesis is catalyzed by homospermidine synthase (HSS), which has been recruited several times independently by duplication of the gene encoding deoxyhypusine synthase (DHS), an enzyme involved in the post-translational activation of the eukaryotic initiation factor 5A. HSS shows highly diverse spatiotemporal gene expression in various PA-producing species...
March 8, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28269676/heart-sound-segmentation-using-fractal-decomposition
#9
Rijil Thomas, Ling Lieng Hsi, Soh Cheong Boon, Erry Gunawan
In order to assist cardiac diagnosis by phonocardiography, the automated identification of fundamental heart sounds for heart beat segmentation in a cardiac cycle plays a significant role in signal processing. Recent advancements in signal processing have also shown the potential of multifractality in biomedical applications. Hence, in this paper, the multifractal property of heart sounds is utilized to identify first and second heart sounds. The root mean square (rms) fluctuation used to obtain multifractal/singularity spectrum is used to decompose the heart sound into its own fractally-important components in time domain along with simultaneous Gaussianity test to filter out fundamental components...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28260913/music-therapy-induced-changes-in-salivary-cortisol-level-are-predictive-of-cardiovascular-mortality-in-patients-under-maintenance-hemodialysis
#10
Yi-Chou Hou, Yen-Ju Lin, Kuo-Cheng Lu, Han-Sun Chiang, Chia-Chi Chang, Li-King Yang
BACKGROUND: Music therapy has been applied in hemodialysis (HD) patients for relieving mental stress. Whether the stress-relieving effect by music therapy is predictive of clinical outcome in HD patients is still unclear. METHODS: We recruited a convenience sample of 99 patients on maintenance HD and randomly assigned them to the experimental (n=49) or control (n=50) group. The experimental group received relaxing music therapy for 1 week, whereas the control group received no music therapy...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28260153/effects-of-different-methods-of-using-pneumatic-tourniquet-in-patients-undergoing-total-knee-arthroplasty-a-randomized-control-trial
#11
Y Zhang, D Li, P Liu, X Wang, M Li
BACKGROUND: The goal of this work was to investigate the effects of different methods of using pneumatic tourniquet on reducing blood loss in patients undergoing cemented total knee arthroplasty (TKA). METHODS: One hundred and fifty patients undergoing unilateral cemented TKA were randomly divided into three groups (50 patients per group). The tourniquet was used during the entire operation (Group A), used from the beginning of operation to the completion of joint replacement (Group B), and from the beginning of osteotomy to the completion of arthroplasty (Group C)...
March 4, 2017: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/28258830/higher-patient-expectations-predict-higher-patient-reported-outcomes-but-not-satisfaction-in-total-knee-arthroplasty-patients-a-prospective-multicenter-study
#12
Deeptee Jain, Long-Co L Nguyen, Ilya Bendich, Long L Nguyen, Courtland G Lewis, James I Huddleston, Paul J Duwelius, Brian T Feeley, Kevin J Bozic
BACKGROUND: The relationship between patient expectations, patient-reported outcomes (PROs), and satisfaction in total knee arthroplasty (TKA) patients is not well understood. METHODS: We prospectively evaluated patients who underwent primary TKA at 4 institutions. Demographics were collected. Preoperatively, patients completed the Hospital for Special Surgery Knee Replacement Expectations Survey (HSS-KRES), SF-12, UCLA activity, and Knee Disability and Osteoarthritis Score...
January 18, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28258328/arthroscopic-meniscus-repair-for-recurrent-subluxation-of-the-lateral-meniscus
#13
Jin Hwan Ahn, Sang Hak Lee, Kang Il Kim, Juhyun Nam
PURPOSE: This study was undertaken to diagnose and to document the clinical results and technical aspects of arthroscopic meniscus repair for recurrent subluxation with peripheral tears around the popliteal hiatus of the lateral meniscus. METHODS: Twenty-three patients (24 knees) with symptomatic recurrent subluxation of the lateral meniscus treated by arthroscopic meniscus repair were included. The inclusion criteria were: (1) patients with knee pain, locking or snapping symptoms despite 3 months of conservative treatment; (2) non-discoid lateral meniscus; (3) stable knee, and (4) tears involving the red-white or red-red zone...
March 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28227935/heart-sound-segmentation-using-fractal-decomposition
#14
Rijil Thomas, Ling Lieng Hsi, Soh Cheong Boon, Erry Gunawan, Rijil Thomas, Ling Lieng Hsi, Soh Cheong Boon, Erry Gunawan
In order to assist cardiac diagnosis by phonocardiography, the automated identification of fundamental heart sounds for heart beat segmentation in a cardiac cycle plays a significant role in signal processing. Recent advancements in signal processing have also shown the potential of multifractality in biomedical applications. Hence, in this paper, the multifractal property of heart sounds is utilized to identify first and second heart sounds. The root mean square (rms) fluctuation used to obtain multifractal/singularity spectrum is used to decompose the heart sound into its own fractally-important components in time domain along with simultaneous Gaussianity test to filter out fundamental components...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28219799/uplc-ms-ms-method-for-the-simultaneous-quantification-of-three-new-antiretroviral-drugs-dolutegravir-elvitegravir-and-rilpivirine-and-other-thirteen-antiretroviral-agents-plus-cobicistat-and-ritonavir-boosters-in-human-plasma
#15
Marco Simiele, Alessandra Ariaudo, Amedeo De Nicolò, Fabio Favata, Martina Ferrante, Chiara Carcieri, Stefano Bonora, Giovanni Di Perri, Antonio De Avolio
Rilpivirine (RPV), dolutegravir (DTG) and elvitegravir (EVG) are the latest antiretroviral drugs approved for treatment of HIV infection. Currently, poor information is currently available concerning their pharmacokinetic and pharmacodynamic properties, thus making the use of therapeutic drug monitoring for these drugs not useful. This lack of information is partially due to the absence of an high-throughput method for their simultaneous quantification together with other antiretroviral drugs. In this work, we describe the development and validation of a new UPLC-MS/MS method to quantify these drugs, together with other fourteen antiretroviral agents, in human plasma...
February 3, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28205150/the-potential-cost-effectiveness-of-different-dengue-vaccination-programmes-in-malaysia-a-value-based-pricing-assessment-using-dynamic-transmission-mathematical-modelling
#16
Asrul Akmal Shafie, Hui Yee Yeo, Laurent Coudeville, Lucas Steinberg, Balvinder Singh Gill, Rohani Jahis, Amar-Singh Hss
BACKGROUND: Dengue disease poses a great economic burden in Malaysia. METHODS: This study evaluated the cost effectiveness and impact of dengue vaccination in Malaysia from both provider and societal perspectives using a dynamic transmission mathematical model. The model incorporated sensitivity analyses, Malaysia-specific data, evidence from recent phase III studies and pooled efficacy and long-term safety data to refine the estimates from previous published studies...
February 15, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/28203020/-effect-of-continuous-femoral-nerve-block-combined-with-periarticular-local-infiltration-analgesia-on-early-operative-functional-recovery-after-total-knee-arthroplasty-a-randomized-double-blind-controlled-study
#17
Y Deng, T L Jiang, X X Yang, M Li, J Wang, X Y Guo
OBJECTIVE: To investigate the effects of early rehabilitation training after total knee arthroplasty surgery by continuous femoral nerve block (CFNB) with or without periarticular local infiltration analgesia (PLIA). METHODS: In this randomized, double-blind, controlled study, 100 patients under-going primary unilateral total knee arthroplasty in patients with knee osteoarthritis were enrolled. All the patients received CFNB for postoperative analgesia before combined spinal epidural anesthesia...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28196438/patient-factors-associated-with-higher-expectations-from-foot-and-ankle-surgery
#18
Elizabeth A Cody, Carol A Mancuso, Jayme C Burket, Anca Marinescu, Aoife MacMahon, Scott J Ellis
BACKGROUND: Few authors have investigated patients' expectations from foot and ankle surgery. In this study, we aimed to examine relationships between patients' preoperative expectations and their demographic and clinical characteristics. We hypothesized that patients with more disability and those with anxiety or depressive symptoms would have greater expectations. METHODS: All adult patients scheduled for elective foot or ankle surgery by 1 of 6 orthopaedic foot and ankle surgeons were screened for inclusion over 8 months...
February 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28182736/comparison-of-clinical-and-radiological-outcomes-between-opening-wedge-and-closing-wedge-high-tibial-osteotomy-a-comprehensive-meta-analysis
#19
Lingfeng Wu, Jun Lin, Zhicheng Jin, Xiaobin Cai, Weiyang Gao
High tibial osteotomy (HTO) has been widely used for clinical treatment of osteoarthritis of the medial compartment of the knee, and both opening-wedge and closing-wedge HTO are the most commonly used methods. However, it remains unclear which technique has better clinical and radiological outcomes in practice. To systematically evaluate this issue, we conducted a comprehensive meta-analysis by pooling all available data for the opening-wedge HTO and closing-wedge HTO techniques from the electronic databases including PubMed, Embase, Wed of Science and Cochrane Library...
2017: PloS One
https://www.readbyqxmd.com/read/28179336/beck-depression-inventory-as-a-predictor-of-long-term-outcome-among-patients-admitted-to-the-breast-cancer-diagnosis-unit-a-25-year-cohort-study-in-finland
#20
Matti Eskelinen, Riika Korhonen, Tuomas Selander, Paula Ollonen
AIM: The Beck Depression Inventory (BDI) is one of the most widely used instruments for measuring the severity of depression. However, there has been no prospective study to investigate the long-term outcome in patients admitted to Breast Cancer Diagnosis Units. PATIENTS AND METHODS: In the Kuopio Breast Cancer Study, women with breast symptoms were evaluated for total BDI score before any diagnostic procedures were carried out. The relapse-free survival (RFS) was calculated from the time of diagnosis to the time of first relapse including local relapse, contralateral breast cancer (BC) or metastatic disease...
2017: Anticancer Research
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