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https://www.readbyqxmd.com/read/28437997/effect-of-zno-nanostructures-on-the-optical-properties-of-white-light-emitting-diodes
#1
Longshi Rao, Yong Tang, ZongTao Li, Xinrui Ding, Jiasheng Li, Shudong Yu, Caiman Yan, Hangaung Lu
White light produced by blue LEDs with yellow phosphor is the most widely used methods, but it results in poor quality in angular CCT uniformity. In this work, a novel technique was introduced to solve this problem by integrating different ZnO nanostructures into white light-emitting diodes. The experiment of ZnO doped films and the simulation of Finite-Difference Time-Domain (FDTD) were carried out. The result indicated scattering effect of ZnO nanoparticles could improve uniformity of scattering energy effectively...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437977/polymer-optical-fiber-bragg-grating-inscription-with-a-single-uv-laser-pulse
#2
A Pospori, C A F Marques, O Bang, D J Webb, P André
We experimentally demonstrate the first polymer optical fiber Bragg grating inscribed with only one krypton fluoride laser pulse. The device has been recorded in a single-mode poly(methyl methacrylate) optical fiber, with a core doped with benzyl dimethyl ketal for photosensitivity enhancement. One laser pulse with a duration of 15 ns, which provide energy density of 974 mJ/cm<sup>2</sup>, is adequate to introduce a refractive index change of 0.74×10<sup>-4</sup> in the fiber core. After the exposure, the reflectivity of the grating increases for a few minutes following a second order exponential saturation...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437897/investigation-of-transmission-performance-in-multi-ifof-based-mobile-fronthaul-with-dispersion-induced-intermixing-noise-mitigation
#3
Minkyu Sung, Seung-Hyun Cho, Hwan Seok Chung, Sun Me Kim, Jong Hyun Lee
We demonstrate the improvement of the transmission performance based on intermixing noise mitigation techniques in a multiple intermediate-frequency-over-fiber (IFoF) based mobile fronthaul. The interaction between fiber chromatic dispersion and frequency chirp of the directly modulated laser generates the second-order distortion that degrades the performance of multi-IFoF transmission system. To avoid second-order distortion, we use intermediate frequency (IF) spacing optimization and octave-confined frequency plan schemes in which intermixing noise would be generated in the out of signal band and would not affect the quality of transmitted signal...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437825/-quality-of-life-and-functional-outcome-after-microsurgical-decompression-in-lumbar-spinal-stenosis-a-register-study
#4
Kourosh Zarghooni, Frank Beyer, Joanna Papadaki, Christoph Kolja Boese, Jan Siewe, Gereon Schiffer, Peer Eysel, Jan Bredow
Introduction Because of recent increases in life expectancy, lumbar spinal stenosis (LSS) has become one of the most common degenerative changes in the spine. In patients not responding to conservative therapy, microsurgical decompression is the gold standard of operative treatment for degenerative LSS. The goal of the current study is to evaluate quality of life after microsurgical decompression for LSS, using data from the DWG Register (previously Spine Tango). Methods 36 patients were included in this single-center, prospective, observational study from January 2013 to June 2014...
April 24, 2017: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/28437786/the-effect-of-retraining-on-treatment-success-life-quality-and-metabolic-parameters-in-patients-with-type-1-diabetes-using-insulin-pump
#5
Basak Ozgen Saydam, Fatma Yilmazmis, Nalan Aydin, Belgin Bektas, Simge Yilmaz, Umit Cavdar, Secil Ozisik, Baris Akinci
OBJECTIVE: To investigate the effect of insulin pump user retraining on treatment success, quality of life, and metabolic parameters of patients with type 1 diabetes using continuous subcutaneous insulin infusion (CSII). SUBJECTS AND METHODS: A total of 35 subjects participated in this prospective study. All patients were given insulin pump user retraining. Their knowledge level and application skills, metabolic parameters, life qualities and satisfaction from treatment were evaluated at baseline and after 6 months...
April 23, 2017: Medical Principles and Practice: International Journal of the Kuwait University, Health Science Centre
https://www.readbyqxmd.com/read/28437620/american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-guidelines-for-management-of-dyslipidemia-and-prevention-of-cardiovascular-disease
#6
Paul S Jellinger, Yehuda Handelsman, Paul D Rosenblit, Zachary T Bloomgarden, Vivian A Fonseca, Alan J Garber, George Grunberger, Chris K Guerin, David S H Bell, Jeffrey I Mechanick, Rachel Pessah-Pollack, Kathleen Wyne, Donald Smith, Eliot A Brinton, Sergio Fazio, Michael Davidson
OBJECTIVE: The development of these guidelines is mandated by the American Association of Clinical Endocrinologists (AACE) Board of Directors and American College of Endocrinology (ACE) Board of Trustees and adheres with published AACE protocols for the standardized production of clinical practice guidelines (CPGs). METHODS: Recommendations are based on diligent reviews of the clinical evidence with transparent incorporation of subjective factors, according to established AACE/ACE guidelines for guidelines protocols...
April 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28437565/relaxed-ordered-subset-preconditioned-alternating-projection-algorithm-for-pet-reconstruction-with-automated-penalty-weight-selection
#7
C Ross Schmidtlein, Yizun Lin, Si Li, Andrzej Krol, Bradley J Beattie, John L Humm, Yuesheng Xu
PURPOSE: Performance of the preconditioned alternating projection algorithm (PAPA) using relaxed ordered subsets (ROS) with a non-smooth penalty function was investigated in positron emission tomography (PET). A higher order total variation (HOTV) regularizer was applied and a method for unsupervised selection of penalty weights based on the measured data is introduced. METHODS: A ROS version of PAPA with HOTV penalty (ROS-HOTV-PAPA) for PET image reconstruction was developed and implemented...
April 24, 2017: Medical Physics
https://www.readbyqxmd.com/read/28437546/root-cause-analysis-and-actions-for-the-prevention-of-medical-errors-quality-improvement-and-resident-education
#8
Ryan Charles, Brandon Hood, Joseph M DeRosier, John W Gosbee, James P Bagian, Ying Li, Michelle S Caird, J Sybil Biermann, Mark E Hake
The quality of care delivered by orthopedic surgeons continues to grow in importance. Multiple orthopedic programs, organizations, and committees have been created to measure the quality of surgical care and reduce the incidence of medical adverse events. Structured root cause analysis and actions (RCA2) has become an area of interest. If performed thoroughly, RCA2 has been shown to reduce surgical errors across many subspecialties. The Accreditation Council for Graduate Medical Education has a new mandate for programs to involve residents in quality improvement processes...
April 24, 2017: Orthopedics
https://www.readbyqxmd.com/read/28437385/before-or-after-transplantation-a-review-of-the-cost-effectiveness-of-treating-waitlisted-patients-with-hepatitis-c
#9
Elliot B Tapper, Nezam H Afdhal, Michael P Curry
All patients with chronic hepatitis C virus (HCV) infections can and should be treated. Though highly effective direct-acting antiviral therapies are costly, the price of a cure is a 1-time investment that is outweighed by future benefits. For clinicians caring for patients requiring liver transplant, the key question relates to the timing of treatment: before or after liver transplantation? On 1 hand, treating HCV often improves our patients' model for end-stage liver disease (MELD) score, decreasing costs, and potentially improving longevity by reducing our patients' risk of death and transplantation...
May 2017: Transplantation
https://www.readbyqxmd.com/read/28437317/dementia-comorbidity-and-physical-function-in-the-program-of-all-inclusive-care-for-the-elderly
#10
Jason R Falvey, Allison M Gustavson, Lisa Price, Lucine Papazian, Jennifer E Stevens-Lapsley
BACKGROUND: Participants in the Program of All-Inclusive Care for the Elderly (PACE) are a unique clinical population of medically complex and highly disabled older adults who qualify for nursing home level care but receive services in the community. A main goal of PACE programs is to prevent further declines in physical function that may necessitate costly institutionalization. This study evaluates how multimorbidity and dementia impact both self-selected gait speed and Timed Up and Go (TUG) in this population...
April 21, 2017: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/28437224/structure-process-and-culture-of-intensive-care-units-treating-patients-with-severe-traumatic-brain-injury-survey-of-centers-participating-in-the-american-college-of-surgeons-trauma-quality-improvement-program
#11
Aziz S Alali, Victroia McCredie, Todd G Mainprize, David Gomez, Avery B Nathens
Outcome after severe traumatic brain injury (TBI) differs substantially between hospitals. Explaining this variation begins with understanding the differences in structures and processes of care, particularly at intensive care units (ICUs) where acute TBI care takes place. We invited trauma medical directors (TMDs) from 187 centers participating in the American College of Surgeons Trauma Quality Improvement Program to complete a survey. The survey domains included ICU model, type, availability of specialized units, staff, training programs, standard protocols and order sets, approach to withdrawal of life support, and perceived level of neurosurgeons' engagement in the ICU management of TBI...
February 15, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28437209/conversations-about-goals-and-values-are-feasible-and-acceptable-in-long-term-acute-care-hospitals-a-pilot-study
#12
Daniela J Lamas, Robert L Owens, R Nicholas Nace, Anthony F Massaro, Nathan J Pertsch, Susan T Moore, Rachelle E Bernacki, Susan D Block
RATIONALE: The chronically critically ill have survived acute critical illness but require prolonged mechanical ventilation. These patients are frequently transferred from acute care to long-term acute care hospitals (LTACHs) for prolonged recovery, yet many suffer setbacks requiring readmission to acute care. The patient's relatively improved condition while at the LTACH might be an opportunity for communication regarding care goals; however, there have been no prior studies of the feasibility of such conversations in the LTACH...
February 24, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28437208/considerations-for-quality-improvement-in-radiation-oncology-therapy-for-patients-with-uncomplicated-painful-bone-metastases
#13
Anne M Walling, Phillip J Beron, Tania Kaprealian, Patrick A Kupelian, Neil S Wenger, Susan A McCloskey, Christopher R King, Michael Steinberg
BACKGROUND: There is an increasing need for evidence-based efficiency in providing a growing amount of cancer care. One example of a quality gap is the use of multiple-fraction palliative radiation for patients with advanced cancer who have uncomplicated bone metastases; evidence suggests similar pain outcomes for treatment regimens with a lower burden of treatments. METHODS: During the first phase of quality improvement work, we used RAND/UCLA appropriateness methodology to understand how radiation oncologists at one academic medical center rate the appropriateness of different treatment regimens for painful uncomplicated bone metastases...
February 23, 2017: Journal of Palliative Medicine
https://www.readbyqxmd.com/read/28437200/effects-of-dietary-macronutrient-composition-on-fndc5-and-irisin-in-mice-skeletal-muscle
#14
Simone Moreira de Macêdo, Deborah de Farias Lelis, Keila Lopes Mendes, Carlos Alberto de Carvalho Fraga, Igor V Brandi, Jonh David Feltenberger, Lucyana Conceição Farias, André Luiz Sena Guimarães, Alfredo Maurício Batista de Paula, Sérgio Henrique de Sousa Santos
BACKGROUND: Fibronectin type III domain containing 5 (FNDC5) and its protein product Irisin are therapeutic targets for obesity-associated disorders. Irisin plays an important role in energy regulation, inducing browning of white adipocytes, and improving obesity. We aimed to investigate the association between muscle Irisin expression and dietary quality. METHODS: Twenty-eight female mice were divided into four groups and fed the following experimental diets for 60 days: standard diet (SD), high-carbohydrate diet (HCD), high-fat diet (HFD), and high-protein diet (HPD)...
February 23, 2017: Metabolic Syndrome and related Disorders
https://www.readbyqxmd.com/read/28437146/homeopathy-for-allergic-rhinitis-a-systematic-review
#15
Kushal Banerjee, Robert T Mathie, Céire Costelloe, Jeremy Howick
OBJECTIVE: The aim of this study was to evaluate the efficacy and effectiveness of homeopathic intervention in the treatment of seasonal or perennial allergic rhinitis (AR). METHOD: Randomized controlled trials evaluating all forms of homeopathic treatment for AR were included in a systematic review (SR) of studies published up to and including December 2015. Two authors independently screened potential studies, extracted data, and assessed risk of bias. Primary outcomes included symptom improvement and total quality-of-life score...
February 16, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28437143/motivations-for-botanical-use-by-socioeconomically-diverse-urban-adults-does-evidence-support-motivation
#16
Grace F Duffy, Emily Stave Shupe, Marie Fanelli Kuczmarski, Alan B Zonderman, Michele K Evans
OBJECTIVE: The study objectives were to characterize botanical dietary supplement (BDS) use and to compare the motivations for botanical supplement (BS) use to the efficacy of the botanical in a socioeconomically and racially diverse urban adult population. METHODS: Subjects were from the Healthy Aging in Neighborhoods of Diversity across the Life Span (HANDLS) study, a 20-year prospective health disparities study with African American and white adults from Baltimore, Maryland...
February 16, 2017: Journal of Alternative and Complementary Medicine: Research on Paradigm, Practice, and Policy
https://www.readbyqxmd.com/read/28437135/d3gb-an-interactive-genome-browser-for-r-python-and-wordpress
#17
David Barrios, Carlos Prieto
Genome browsers are useful not only for showing final results but also for improving analysis protocols, testing data quality, and generating result drafts. Its integration in analysis pipelines allows the optimization of parameters, which leads to better results. New developments that facilitate the creation and utilization of genome browsers could contribute to improving analysis results and supporting the quick visualization of genomic data. D3 Genome Browser is an interactive genome browser that can be easily integrated in analysis protocols and shared on the Web...
February 16, 2017: Journal of Computational Biology: a Journal of Computational Molecular Cell Biology
https://www.readbyqxmd.com/read/28437011/noise-reduction-and-functional-maps-image-quality-improvement-in-dynamic-ct-perfusion-using-a-new-k-means-clustering-guided-bilateral-filter-kmgb
#18
Francesco Pisana, Thomas Henzler, Stefan Schönberg, Ernst Klotz, Bernhard Schmidt, Marc Kachelrieß
PURPOSE: Dynamic CT perfusion (CTP) consists in repeated acquisitions of the same volume in different time steps, slightly before, during and slightly afterwards the injection of contrast media. Important functional information can be derived for each voxel, which reflect the local hemodynamic properties and hence the metabolism of the tissue. Different approaches are being investigated to exploit data redundancy and prior knowledge for noise reduction of such datasets, ranging from iterative reconstruction schemes to high dimensional filters...
April 24, 2017: Medical Physics
https://www.readbyqxmd.com/read/28436999/clinical-practice-guidelines-on-the-evidence-based-use-of-integrative-therapies-during-and-after-breast-cancer-treatment
#19
REVIEW
Heather Greenlee, Melissa J DuPont-Reyes, Lynda G Balneaves, Linda E Carlson, Misha R Cohen, Gary Deng, Jillian A Johnson, Matthew Mumber, Dugald Seely, Suzanna M Zick, Lindsay M Boyce, Debu Tripathy
Answer questions and earn CME/CNE Patients with breast cancer commonly use complementary and integrative therapies as supportive care during cancer treatment and to manage treatment-related side effects. However, evidence supporting the use of such therapies in the oncology setting is limited. This report provides updated clinical practice guidelines from the Society for Integrative Oncology on the use of integrative therapies for specific clinical indications during and after breast cancer treatment, including anxiety/stress, depression/mood disorders, fatigue, quality of life/physical functioning, chemotherapy-induced nausea and vomiting, lymphedema, chemotherapy-induced peripheral neuropathy, pain, and sleep disturbance...
April 24, 2017: CA: a Cancer Journal for Clinicians
https://www.readbyqxmd.com/read/28436877/packing-vertex-data-into-hardware-decompressible-textures
#20
Kin Chung Kwan, Xuemiao Xu, Liang Wan, Tien-Tsin Wong, Wai-Man Pang
Most graphics hardware features memory to store textures and vertex data for rendering. However, because of the irreversible trend of increasing complexity of scenes, rendering a scene can easily reach the limit of memory resources. Thus, vertex data are preferably compressed, with a requirement that they can be decompressed during rendering. In this paper, we present a novel method to exploit existing hardware texture compression circuits to facilitate the decompression of vertex data in graphics processing unit (GPUs)...
April 18, 2017: IEEE Transactions on Visualization and Computer Graphics
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