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https://www.readbyqxmd.com/read/27930331/concentrator-photovoltaic-module-architectures-with-capabilities-for-capture-and-conversion-of-full-global-solar-radiation
#1
Kyu-Tae Lee, Yuan Yao, Junwen He, Brent Fisher, Xing Sheng, Matthew Lumb, Lu Xu, Mikayla A Anderson, David Scheiman, Seungyong Han, Yongseon Kang, Abdurrahman Gumus, Rabab R Bahabry, Jung Woo Lee, Ungyu Paik, Noah D Bronstein, A Paul Alivisatos, Matthew Meitl, Scott Burroughs, Muhammad Mustafa Hussain, Jeong Chul Lee, Ralph G Nuzzo, John A Rogers
Emerging classes of concentrator photovoltaic (CPV) modules reach efficiencies that are far greater than those of even the highest performance flat-plate PV technologies, with architectures that have the potential to provide the lowest cost of energy in locations with high direct normal irradiance (DNI). A disadvantage is their inability to effectively use diffuse sunlight, thereby constraining widespread geographic deployment and limiting performance even under the most favorable DNI conditions. This study introduces a module design that integrates capabilities in flat-plate PV directly with the most sophisticated CPV technologies, for capture of both direct and diffuse sunlight, thereby achieving efficiency in PV conversion of the global solar radiation...
December 5, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27884139/brominated-flame-retardants-in-placental-tissues-associations-with-infant-sex-and-thyroid-hormone-endpoints
#2
Christopher Leonetti, Craig M Butt, Kate Hoffman, Stephanie C Hammel, Marie Lynn Miranda, Heather M Stapleton
BACKGROUND: Brominated flame retardants (BFRs) are endocrine disruptors that bioaccumulate in the placenta, but it remains unclear if they disrupt tissue thyroid hormone (TH) metabolism. Our primary goal was to investigate associations between placental BFRs, TH levels, Type 3 deiodinase (DIO3) activity and TH sulfotransferase (SULT) activities. METHODS: Placenta samples collected from 95 women who delivered term (>37 weeks) infants in Durham, NC, USA (enrolled 2010-2011) were analyzed for polybrominated diphenyl ethers (PBDEs), 2,4,6-tribromophenol (2,4,6-TBP), THs (T4, T3 and rT3), and DIO3 and TH SULT activities...
November 25, 2016: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/27830020/evaluation-of-a-research-use-only-luminex-based-assay-for-measurement-of-procalcitonin-in-serum-samples
#3
Charles Garrigan, Jennifer Han, Pam Tolomeo, Katherine J Johnson, Stephen R Master, Ebbing Lautenbach, Irving Nachamkin
Research use only (RUO) assays do not undergo a validation process similar to test kits used for clinical purposes. Several studies have suggested that RUO assays need to be validated prior to use in any research studies. We evaluated a research use only Luminex platform based assay for measuring serum procalcitonin levels (Bio-Plex Pro(TM) Human Acute Phase Multiplex Assay, Bio-Rad Laboratories, Hercules, CA) for comparability with an FDA cleared assay for procalcitonin (VIDAS B.R.A.H.M.S. PCT Assay, bioMérieux, Durham, NC)...
2016: American Journal of Translational Research
https://www.readbyqxmd.com/read/27777751/evidence-based-perioperative-medicine-comes-of-age-the-perioperative-quality-initiative-poqi-the-1st-consensus-conference-of-the-perioperative-quality-initiative-poqi
#4
EDITORIAL
Timothy E Miller, Andrew D Shaw, Michael G Mythen, Tong J Gan
The 1st POQI Consensus Conference occurred in Durham, NC, on March 4-5, 2016, and was supported by the American Society of Enhanced Recovery (ASER) and Evidence-Based Perioperative Medicine (EBPOM). The conference focused on enhanced recovery for colorectal surgery and discussed four topics-perioperative analgesia, perioperative fluid management, preventing nosocomial infection, and measurement and quality in enhanced recovery pathways.
2016: Perioperative Medicine
https://www.readbyqxmd.com/read/27570156/pulmonary-valve-replacement-with-a-trifecta-valve-is-associated-with-reduced-transvalvular-gradient
#5
Brian C Gulack, Ehsan Benrashid, Robert D B Jaquiss, Andrew J Lodge
BACKGROUND: Outcomes after surgical pulmonary valve replacement (PVR) in patients with congenital cardiac disease are limited by long-term valve deterioration, which may be hastened by turbulent flow. The use of the Trifecta valve (St. Jude Medical, Little Canada, MN) at our institution (Duke University Medical Center, Durham, NC) appears to result in low postimplantation transvalvular gradients. This study was performed to compare the early transvalvular gradient associated with the Trifecta valve with that associated with two other valves commonly used for PVR...
August 25, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27521662/outcomes-of-intense-pulsed-light-therapy-for-treatment-of-evaporative-dry-eye-disease
#6
Preeya K Gupta, Gargi K Vora, Cynthia Matossian, Michelle Kim, Sandra Stinnett
OBJECTIVE: To determine the clinical outcomes of intense pulsed light (IPL) therapy for the treatment of evaporative dry eye disease (DED). DESIGN: Multicentre cohort study. PARTICIPANTS: Patients with a diagnosis of meibomian gland dysfunction (MGD) and dry eye presenting to the ophthalmology clinic at either the Duke Eye Center, Durham, NC, or Matossian Eye Associates' private practice in Pennington, NJ, and Doylestown, PA. METHODS: Clinical data were reviewed from 100 patients with diagnosis of MGD and DED who underwent IPL therapy from September 2012 through December 2014 at 1 of 2 centres (Duke Eye Center or Matossian Eye Associates)...
August 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/27500855/short-term-effects-of-air-temperature-on-plasma-metabolite-concentrations-in-patients-undergoing-cardiac-catheterization
#7
Regina Hampel, Susanne Breitner, William E Kraus, Elizabeth Hauser, Svati Shah, Cavin K Ward-Caviness, Robert Devlin, David Diaz-Sanchez, Lucas Neas, Wayne Cascio, Annette Peters, Alexandra Schneider
BACKGROUND: Epidemiological studies have shown associations between air temperature and cardiovascular health outcomes. Metabolic dysregulation might also play a role in the development of cardiovascular disease. OBJECTIVES: To investigate short-term temperature effects on metabolites related to cardiovascular disease. METHODS: Concentrations of 45 acylcarnitines, 15 amino acids, ketone bodies and total free fatty acids were available in 2869 participants from the CATHeterization GENetics cohort recruited at the Duke University Cardiac Catheterization Clinic (Durham, NC) between 2001 and 2007...
August 5, 2016: Environmental Research
https://www.readbyqxmd.com/read/27411035/using-ild-or-itd-cues-for-sound-source-localization-and-speech-understanding-in-a-complex-listening-environment-by-listeners-with-bilateral-and-with-hearing-preservation-cochlear-implants
#8
Louise H Loiselle, Michael F Dorman, William A Yost, Sarah J Cook, Rene H Gifford
PURPOSE: To assess the role of interaural time differences and interaural level differences in (a) sound-source localization, and (b) speech understanding in a cocktail party listening environment for listeners with bilateral cochlear implants (CIs) and for listeners with hearing-preservation CIs. METHODS: Eleven bilateral listeners with MED-EL (Durham, NC) CIs and 8 listeners with hearing-preservation CIs with symmetrical low frequency, acoustic hearing using the MED-EL or Cochlear device were evaluated using 2 tests designed to task binaural hearing, localization, and a simulated cocktail party...
August 1, 2016: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/27402377/current-trends-in-candidemia-and-species-distribution-among-adults-candida-glabrata-surpasses-c-albicans-in-diabetic-patients-and-abdominal-sources
#9
Riad Khatib, Leonard B Johnson, Mohamad G Fakih, Kathleen Riederer, Laurence Briski
Candidemia rate and species distribution vary according to the type of patients, country of origin and antifungal prophylaxis use. To present current candidemia epidemiological trends. A retrospective examination of candidemia in adults (≥18 years-old) hospitalised from 2007 to 2015. Cases were identified through the microbiology laboratory. Candida species were distinguished based on colony morphology and VITEK-2 YBC cards, (bioMerieux, Durham, NC, USA). Patient characteristics, species distribution, source and outcome were assessed...
July 12, 2016: Mycoses
https://www.readbyqxmd.com/read/27377073/breather-penta-16-short-cycle-therapy-sct-5-days-on-2-days-off-in-young-people-with-chronic-human-immunodeficiency-virus-infection-an-open-randomised-parallel-group-phase-ii-iii-trial
#10
Karina Butler, Jamie Inshaw, Deborah Ford, Sarah Bernays, Karen Scott, Julia Kenny, Nigel Klein, Anna Turkova, Lynda Harper, Eleni Nastouli, Sara Paparini, Rahela Choudhury, Tim Rhodes, Abdel Babiker, Diana Gibb
BACKGROUND: For human immunodeficiency virus (HIV)-infected adolescents facing lifelong antiretroviral therapy (ART), short-cycle therapy (SCT) with long-acting agents offers the potential for drug-free weekends, less toxicity, better adherence and cost savings. OBJECTIVES: To determine whether or not efavirenz (EFV)-based ART in short cycles of 5 days on and 2 days off is as efficacious (in maintaining virological suppression) as continuous EFV-based ART (continuous therapy; CT)...
June 2016: Health Technology Assessment: HTA
https://www.readbyqxmd.com/read/27152624/technical-overview-on-the-mistent-coronary-stent
#11
James B McCLAIN, Wenda C Carlyle, Dennis J Donohoe, John A Ormiston
Drug-eluting stents (DES) have dramatically improved the long-term efficacy of percutaneous coronary intervention (PCI). Over the last decade there have been numerous advances in DES platforms, however, all but one currently approved DES in the United States and many of the approved DES worldwide still have 3 common features: a metal stent platform, an anti-proliferative drug, and a permanent polymer. In this context, the polymer is critical to control drug release, but the polymer serves no purpose after the drug is eluted...
October 2016: Minerva Cardioangiologica
https://www.readbyqxmd.com/read/27121615/implications-of-construction-method-and-spatial-scale-on-measures-of-the-built-environment
#12
Julie Strominger, Rebecca Anthopolos, Marie Lynn Miranda
BACKGROUND: Research surrounding the built environment (BE) and health has resulted in inconsistent findings. Experts have identified the need to examine methodological choices, such as development and testing of BE indices at varying spatial scales. We sought to examine the impact of construction method and spatial scale on seven measures of the BE using data collected at two time points. METHODS: The Children's Environmental Health Initiative conducted parcel-level assessments of 57 BE variables in Durham, NC (parcel N = 30,319)...
2016: International Journal of Health Geographics
https://www.readbyqxmd.com/read/27094332/evaluation-of-a-fully-automated-research-prototype-for-the-immediate-identification-of-microorganisms-from-positive-blood-cultures-under-clinical-conditions
#13
Jay M Hyman, John D Walsh, Christopher Ronsick, Mark Wilson, Kevin C Hazen, Larisa Borzhemskaya, John Link, Bradford Clay, Michael Ullery, Mirta Sanchez-Illan, Steven Rothenberg, Ron Robinson, Alex van Belkum, W Michael Dunne
UNLABELLED: A clinical laboratory evaluation of an intrinsic fluorescence spectroscopy (IFS)-based identification system paired to a BacT/Alert Virtuo microbial detection system (bioMérieux, Inc., Durham, NC) was performed to assess the potential for fully automated identification of positive blood cultures. The prototype IFS system incorporates a novel method combining a simple microbial purification procedure with rapid in situ identification via spectroscopy. Results were available within 15 min of a bottle signaling positive and required no manual intervention...
2016: MBio
https://www.readbyqxmd.com/read/27083384/segmental-comparison-between-a-dedicated-bifurcation-stent-and-balloon-angioplasty-using-intravascular-ultrasound-and-three-dimensional-quantitative-coronary-angiography-a-subgroup-analysis-of-the-tryton-ide-randomized-trial
#14
Maik J Grundeken, Hector M Garcia-Garcia, Indulis Kumsars, Maciej Lesiak, Peter Kayaert, Jo Dens, Pieter R Stella, Robbert J de Winter, Linda L Laak, Philippe Généreux, Aaron V Kaplan, Martin B Leon, Joanna J Wykrzykowska, Yoshinobu Onuma, Patrick W Serruys
OBJECTIVE: Randomized comparison between the Tryton Side Branch Stent (Tryton Medical, Durham, NC), used in combination with a main branch drug-eluting stent (DES), and side branch balloon angioplasty (SBBA, in combination with a main branch DES) using intravascular ultrasound (IVUS), and three-dimensional quantitative coronary angiography (3D-QCA). BACKGROUND: The Tryton stent has been developed to improve clinical outcomes after percutaneous coronary intervention (PCI) of bifurcation lesions...
April 16, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/26991719/the-dual-rounding-model-forging-therapeutic-alliances-%C3%A2-in-oncology-and-palliative-care
#15
Carey E Baxley
Inpatients with solid tumors at Duke University Hospital in Durham, NC, are cared for in a dynamic integrated care model that incorporates medical oncology and palliative care. This has profound implications for patients, their loved ones, medical and surgical staff, and oncology nurses. As a nurse with less than three years of experience, my participation in a setting that uses the Dual Rounding Model has accelerated my professional and personal development. During a typical shift, I am an oncology nurse, a palliative care nurse, and a hospice nurse...
April 2016: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/26932539/use-of-dog-parks-and-the-contribution-to-physical-activity-for-their-owners
#16
Kelly R Evenson, Elizabeth Shay, Stephanie Williamson, Deborah A Cohen
PURPOSE: This study described the use of dog parks in several diverse locations and explored the contribution dog parks made to physical activity of the dog owners. METHOD: The Systematic Observation of Play and Recreation in Communities (SOPARC) tool was used to count the number and characteristics of people using parks. Observations were conducted 4 times per day, 4 days per week during for 1 week in 6 urban/suburban parks during different seasons. Collection sites included 3 dog parks in Chapel Hill/Durham, NC; 2 dog parks in Los Angeles, CA; and 1 dog park in Philadelphia, PA...
June 2016: Research Quarterly for Exercise and Sport
https://www.readbyqxmd.com/read/26864867/development-of-an-analytical-method-to-quantify-pbdes-oh-bdes-hbcds-2-4-6-tbp-eh-tbb-and-beh-tebp-in-human-serum
#17
Craig M Butt, Marie Lynn Miranda, Heather M Stapleton
Polybrominated diphenyl ethers (PBDEs) flame retardants (FRs) were phased-out in the mid-2000s (penta- and octaBDE) and 2013 (decaBDE); however, their hydroxylated metabolites (OH-BDEs) are still commonly detected in human serum. Today, novel FRs such as Firemaster® 550, a mixture that contains two brominated compounds, EH-TBB and BEH-TEBP are used as replacements for PBDEs in some applications, and there is a need to develop a comprehensive analytical method to assess exposure to both legacy PBDEs and novel FRs...
April 2016: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/26862821/long-term-follow-up-after-right-laparoscopic-donor-nephrectomy-and-inverted-kidney-transplant
#18
Nasser Simforoosh, Ali Tabibi, Mohammad Hossein Soltani, Samad Zare, Seyed Reza Yahyazadeh, Behrang Abadpoor
OBJECTIVES: The objective of this study was to investigate the long-term outcomes of inverted kidney transplant, an alternative easy and safe technique to overcome difficulties associated with short right renal vein anastomosis after laparoscopic donor nephrectomy. MATERIALS AND METHODS: Seventy-nine laparoscopic donor nephrectomies and intentionally inverted renal transplants were performed between 2004 and 2009. For these transplants, the renal artery was ligated by Hem-o-lok (Weck Surgical Instruments, Teleflex Medical, Durham, NC, USA) and titanium clips, and the vein was closed with 2 Hem-o-lok clips, resulting in a short renal vein...
February 2016: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/26851196/the-influence-of-biofilm-formation-and-multidrug-resistance-on-environmental-survival-of-clinical-and-environmental-isolates-of-acinetobacter-baumannii
#19
Christine Greene, Gayathri Vadlamudi, Duane Newton, Betsy Foxman, Chuanwu Xi
BACKGROUND: Acinetobacter baumannii is a gram-negative, opportunistic pathogen. Its ability to form biofilm and increasing resistance to antibiotic agents present challenges for infection control. A better understanding of the influence of biofilm formation and antibiotic resistance on environmental persistence of A baumannii in hospital settings is needed for more effective infection control. METHODS: A baumannii strains isolated from patients and the hospital environment were identified via Matrix Assisted Laser Desorption Ionization Time-of-Flight (MALDI-TOF) mass spectrometry (Bruker Daltonics, Bellerica, MA), repetitive extragenic palindromic polymerase chain reaction genotyped, and antibiotic resistance was determined using Vitek 2 (bioMérieux, Inc, Durham NC)...
May 1, 2016: American Journal of Infection Control
https://www.readbyqxmd.com/read/26848208/perceived-discrimination-among-latino-immigrants-in-new-destinations-the-case-of-durham-nc
#20
Chenoa A Flippen, Emilio A Parrado
This paper draws on original survey data to assess the prevalence of perceived discrimination among Latin American immigrants to Durham, NC, a "new immigrant destinations" in the Southeastern United States. Even though discrimination has a wide-ranging impact on social groups, from blocked opportunities, to adverse health outcomes, to highlighting and reifying inter-group boundaries, research among immigrant Latinos is rare, especially in new destinations. Our theoretical framework and empirical analysis expand social constructivist approaches that view ethnic discrimination as emerging from processes of competition and incorporation...
December 2015: Sociological Perspectives: SP: Official Publication of the Pacific Sociological Association
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