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White coat effect

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https://www.readbyqxmd.com/read/28319188/reduced-performance-of-a-pvc-coated-biogents-sentinel-prototype-in-comparison-to-the-original-biogents-sentinel-for-monitoring-the-asian-tiger-mosquito-aedes-albopictus-in-temperate-north-america
#1
Isik Unlu, Ary Faraji, Michael Morganti, Randy Vaeth, Karen Akaratovic, Jay Kiser, Charles Abadam, Dan Kline
Aedes albopictus is a major nuisance pest and also a public health concern because of the role it plays in the transmission of arboviruses. There is a continuing demand for effective surveillance tools for this species. The first generation of Biogents Sentinel (BGS1) traps have proven to be an effective tool for surveillance of Ae. albopictus throughout its range, however, some defects in construction led to the eventual development of the next generation. We compared the performance of the new generation prototype trap (BGS2P) to the original...
2017: PloS One
https://www.readbyqxmd.com/read/28306636/blood-pressure-lowering-efficacy-and-safety-of-perindopril-indapamide-amlodipine-single-pill-combination-in-patients-with-uncontrolled-essential-hypertension-a-multicenter-randomized-double-blind-controlled-trial
#2
Jean-Jacques Mourad, Celso Amodeo, Martine de Champvallins, Romualda Brzozowska-Villatte, Roland Asmar
OBJECTIVES: This 4-month, double-blind, randomized, controlled trial was designed to demonstrate the superiority of perindopril/indapamide/amlodipine single pill over perindopril/indapamide after 1 month and to determine further up-titration efficacy and safety in patients with mild-to-moderate hypertension. METHODS: After a 1-month run-in period on perindopril/indapamide 5/1.25 mg, patients with SBP/DBP at least 150/95 mmHg and no diabetes or renal insufficiency received perindopril/indapamide/amlodipine 5/1...
March 16, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28303535/hyaluronic-acid-based-hydrogel-coating-does-not-affect-bone-apposition-at-the-implant-surface-in-a-rabbit-model
#3
W Boot, D Gawlitta, P G J Nikkels, B Pouran, M H P van Rijen, W J A Dhert, H Ch Vogely
BACKGROUND: Uncemented orthopaedic implants rely on the bone-implant interface to provide stability, therefore it is essential that a coating does not interfere with the bone-forming processes occurring at the implant interface. In addition, local application of high concentrations of antibiotics for prophylaxis or treatment of infection may be toxic for osteoblasts and could impair bone growth. QUESTIONS/PURPOSES: In this animal study, we investigated the effect of a commercially available hydrogel, either unloaded or loaded with 2% vancomycin...
March 16, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28301136/broadband-omnidirectional-light-trapping-in-gold-decorated-zno-nanopillar-arrays
#4
Yuan-Ming Chang, Man-Ling Lin, Tung-Yen Lai, Chang-Hung Chen, Hsin-Yi Lee, Chih-Ming Lin, Yew-Chung Sermon Wu, Yen-Fu Lin, Jenh-Yih Juang
The photoluminescence (PL) and reflectivity characteristics of zinc oxide nanopillars (ZnO-NPs) grown on indium-tin-oxide (ITO)-coated glasses were investigated. The room temperature PL showed bright white-light emission for the undoped ZnO-NPs grown at 600 °C, suggesting the close relation between the optical characteristic and the growth conditions being carried out for obtaining the present ZnO-NPs. The reflectivity of the as-grown ZnO-NPs array was about ∼29% with the wavelength of the incident light ranging from 200 to 1800 nm...
March 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28295530/the-fanny-pack-no-ifs-ands-or-buts
#5
Kaiane Habeshian, Anna Yasmine Kirkorian, Kalyani Marathe
Although the white coat is central to the practice of adult medicine, pediatricians often shed it to avoid creating negative associations and provoking fear in children. In our pediatric dermatology practice, the fanny pack (FP) has replaced many of the functional elements of the white coat. The FP is a kid-friendly way to readily carry key medical supplies from one patient encounter to the next. It is more hygienic, light weight, and affordable than traditional doctor's bags and white coats. In this article we outline the benefits of the FP, which include storage, ergonomics, efficiency, cleanliness, kid-friendliness, and cost-effectiveness...
March 10, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28266276/alerting-reaction-in-office-blood-pressure-and-target-organ-damage-an-innocent-phenomenon
#6
Gabriel D Waisman, Marcelo Rada, Margarita S Morales, Marcos J Marin, Paula E Cuffaro, Jose Alfie, Lucas S Aparicio, Jessica Barochiner
BACKGROUND: An alerting reaction is a physician-induced phenomenon which produces a transient blood pressure rise in the office. OBJECTIVE: To determine its relationship with target organ damage in treated hypertensives. METHOD: We used three different indexes for calculating alerting reaction depending on the first, second or third office blood pressure measurement. We correlated these indexes with glomerular filtration rate, left ventricular mass index and pulse wave velocity...
March 6, 2017: Current Hypertension Reviews
https://www.readbyqxmd.com/read/28245111/simplifying-nucleic-acid-amplification-from-whole-blood-with-direct-polymerase-chain-reaction-on-chitosan-microparticles
#7
Imaly A Nanayakkara, Weidong Cao, Ian M White
Tremendous advances have been made in the development of portable nucleic acid amplification devices for near-patient use. However, the true limitation in the realization of nucleic acid amplification tests (NAATs) for near-patient applications is not the amplification reaction, it is the complexity of the sample preparation. Conventional approaches require several precise intervention steps during the protocol. There are numerous reports in the literature that mimic the sample preparation procedure within a lab-on-a-chip device or cartridge, but these systems require a high number of integrated steps, making the devices and/or their supporting equipment too complex to meet the necessary cost targets and regulatory requirements for near-patient applications...
March 9, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28199121/smart-contact-lenses-with-graphene-coating-for-electromagnetic-interference-shielding-and-dehydration-protection
#8
Sangkyu Lee, Insu Jo, Sangmin Kang, Bongchul Jang, Joonhee Moon, Jong Bo Park, Soochang Lee, Sichul Rho, Youngsoo Kim, Byung Hee Hong
Recently, smart contact lenses with electronic circuits have been proposed for various sensor and display applications where the use of flexible and biologically stable electrode materials is essential. Graphene is an atomically thin carbon material with a two-dimensional hexagonal lattice that shows outstanding electrical and mechanical properties as well as excellent biocompatibility. In addition, graphene is capable of protecting eyes from electromagnectic (EM) waves that may cause eye diseases such as cataracts...
February 21, 2017: ACS Nano
https://www.readbyqxmd.com/read/28185453/modification-of-the-highly-conductive-pedot-pss-layer-for-use-in-silver-nanogrid-electrodes-for-flexible-inverted-polymer-solar-cells
#9
Jie Wang, Fei Fei, Qun Luo, Shuhong Nie, Na Wu, Xiaolian Chen, Wenming Su, Yuanjie Li, Chang-Qi Ma
Silver nanogrid based flexible transparent electrode is recognized as the most promising alternative to ITO electrode for organic electronics, owing to its low production cost and excellent flexibility. Typically, a highly conductive thin film coating layer, such as highly conductive PEDOT:PSS (HC-PEDOT:PSS) is usually deposited onto the Ag-grid electrode to smooth the surface and to minimize the sheet resistance. In this paper, we found that inverted flexible polymer solar cells with structure of Ag-grid/HC-PEDOT:PSS/ZnO/photoactive layer/MoO3/Al generally exhibits strong S-shaped J-V curves, which could be eliminated by light-soaking treatment...
March 1, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28181549/rare-earth-free-self-luminescent-ca2kzn2-vo4-3-phosphors-for-intense-white-light-emitting-diodes
#10
L Krishna Bharat, Soo-Kun Jeon, Kurugundla Gopi Krishna, Jae Su Yu
The commercially available white-light-emitting diodes (WLEDs) are made with a combination of blue LEDs and yellow phosphors. These types of WLEDs lack certain properties which make them meagerly applicable for general illumination and flat panel displays. The solution for such problem is to use near-ultraviolet (NUV) chips as an excitation source because of their high excitation efficiency and good spectral distribution. Therefore, there is an active search for new phosphor materials which can be effectively excited within the NUV wavelength range (350-420 nm)...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28159431/cost-effectiveness-of-ambulatory-blood-pressure-monitoring-in-the-management-of-hypertension
#11
Diogo Costa, Ricardo Peixoto Lima
INTRODUCTION AND OBJECTIVES: The prevalence of hypertension in Portugal is between 29.1% and 42.2%. International studies show that 13% of individuals have masked hypertension and 13% of diagnoses based on office blood pressure measurements are in fact white coat hypertension. More sensitive and specific blood pressure measuring methods could avoid costs associated with misdiagnosis. The aim of this study was to review the cost-effectiveness of ambulatory blood pressure monitoring (ABPM) compared to other methods in the management of hypertension...
February 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/28156196/the-potential-for-political-leadership-in-hiv-aids-communication-campaigns-in-sub-saharan-africa
#12
Abraar Karan, Emily Hartford, Thomas J Coates
BACKGROUND: The HIV/AIDS epidemic has become a point of important political concern for governments especially in Sub-Saharan Africa. Clinical and public health interventions to curb the epidemic can be greatly enhanced with the strategic support of political leaders. OBJECTIVE: We analyzed the role of national political leadership in large-scale HIV/AIDS communications campaigns in 14 countries in Sub-Saharan Africa. METHODS: We primarily reviewed grey and white literature published from 2005-2014...
2017: Global Health Action
https://www.readbyqxmd.com/read/28145683/evidence-for-the-phospholipid-sponge-effect-as-the-biocidal-mechanism-in-surface-bound-polyquaternary-ammonium-coatings-with-variable-cross-linking-density
#13
Jing Gao, Evan M White, Qiaohong Liu, Jason Locklin
Poly quaternary "-oniums" derived from polyethylenimine (PEI), poly(vinyl-N-alkylpyridinium), or chitosan belong to a class of cationic polymers that are efficient antimicrobial agents. When dissolved in solution, the positively charged polycations are able to displace the divalent cations of the cellular phospholipid bilayer and disrupt the ionic cross-links and structural integrity of the membrane. However, when immobilized to a surface where confinement limits diffusion, poly -oniums still show excellent antimicrobial activity, which implies a different biocidal mode of action...
March 1, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28139193/effects-of-nsaids-and-hydroxyapatite-coating-on-osseointegration
#14
Ahmet Salduz, Fatih Dikici, Önder Ismet Kılıçoğlu, Halil Ibrahim Balcı, Turgut Akgul, Mehmet Kürkçü, Cem Kurtoğlu, Remzi Tözün
PURPOSE: The aim of our study is to investigate the bone ongrowth of two different alternative surfaces and the effect of nonsteroidal anti-inflammatory drugs (NSAIDs) on osseointegration. METHODS: Hips of 40 New Zealand white rabbits were operated bilaterally. Hydroxyapatite (HA)-coated titanium rods were implanted into the right femur, and grit-blasted titanium rods were implanted into the left femur. They were divided into three groups. At the end of 8 weeks, both femora of the rabbits were removed and investigated biomechanically and histologically...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28098753/reagent-less-and-robust-biosensor-for-direct-determination-of-lactate-in-food-samples
#15
Iria Bravo, Mónica Revenga-Parra, Félix Pariente, Encarnación Lorenzo
Lactic acid is a relevant analyte in the food industry, since it affects the flavor, freshness, and storage quality of several products, such as milk and dairy products, juices, or wines. It is the product of lactose or malo-lactic fermentation. In this work, we developed a lactate biosensor based on the immobilization of lactate oxidase (LOx) onto N,N'-Bis(3,4-dihydroxybenzylidene) -1,2-diaminobenzene Schiff base tetradentate ligand-modified gold nanoparticles (3,4DHS-AuNPs) deposited onto screen-printed carbon electrodes, which exhibit a potent electrocatalytic effect towards hydrogen peroxide oxidation/reduction...
January 13, 2017: Sensors
https://www.readbyqxmd.com/read/28094922/nano-photoelectrochemical-cell-arrays-with-spatially-isolated-oxidation-and-reduction-channels
#16
Hang-Ah Park, Siyuan Liu, Youngseok Oh, Paul A Salvador, Gregory S Rohrer, Mohammad F Islam
Photoelectrochemical conversion of solar energy is explored for many diverse applications but suffers from poor efficiencies due to limited solar absorption, inadequate charge carrier separation, redox half-reactions occurring in close proximity, and/or long ion diffusion lengths. We have taken a drastically different approach to the design of photoelectrochemical cells (PECs) to spatially isolate reaction sites at the nanoscale to different materials and flow channels, suppressing carrier recombination and back-reaction of intermediates while shortening ion diffusion paths and, importantly, avoiding mixed product generation...
February 28, 2017: ACS Nano
https://www.readbyqxmd.com/read/28035582/endothelial-dysfunction-and-hypertension
#17
Dildar Konukoglu, Hafize Uzun
In the past, endothelium was thought to be only a mechanical barrier. Today, endothelium is known to be a tissue regulating vascular tone, cell growth and the interaction between the leukocytes, thrombocytes and the vessel wall. It also synthesizes growth factors and thrombo-regulatory molecules and responds to physical and chemical signals. Even though the term "endothelial dysfunction" is generally used for deterioration of endothelium-dependent vasodilatation; the term also includes the abnormalities between endothelium and leukocytes, thrombocytes and regulatory molecules and conditions resulting in aberrant endothelium activation...
December 30, 2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27992657/protection-of-penaeus-monodon-against-white-spot-syndrome-by-continuous-oral-administration-of-a-low-concentration-of-bacillus-subtilis-spores-expressing-the-vp28-antigen
#18
K-C Pham, H T T Tran, C Van Doan, P H Le, A T Van Nguyen, H A Nguyen, H A Hong, S M Cutting, T-N Phan
In this study, Bacillus subtilis spores expressing a chimeric protein, CotB-VP28, were used as a probiotic vaccine to protect black tiger shrimps (Penaeus monodon) against white spot syndrome virus (WSSV) infection. Oral administration of pellets coated with CotB-VP28 spores (at ≥1 × 10(9 ) CFU per g pellet) to shrimps induced immune-relating phenoloxydase activity (PO) in shrimps after 14 days of feeding (prior challenge) and at day 3 post challenge (1·26 and 1·70 fold increase respectively). A 75% protection rate was obtained by continuous feeding of the spore-coated pellets at ≥1 × 10(9 ) CFU per g for 14 days prior to WSSV challenge and during all the postchallenge period...
December 19, 2016: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/27987907/the-release-kinetics-of-%C3%AE-carotene-nanocapsules-xanthan-gum-coating-and-quality-changes-in-fresh-cut-melon-cantaloupe
#19
María L Zambrano-Zaragoza, David Quintanar-Guerrero, Alicia Del Real, Elizabeth Piñon-Segundo, José F Zambrano-Zaragoza
The main aim of this work was to evaluate the effect of the β-carotene release rate from nanocapsules incorporated into a xanthan gumcoating on the physical and physicochemical properties of fresh-cut melon (var. cantaloupe). Several coatings were studied: xanthan gum alone (XG), xanthan gum combined with nanocapsules (Ncs/XG), xanthan gum combined with nanospheres (Nsp/XG), nanocapsules (Ncs), and nanospheres (Nsp), all of which were compared to untreated fresh-cut melon in order to determine their preservation efficiency...
February 10, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27982574/an-environmentally-benign-antimicrobial-coating-based-on-a-protein-supramolecular-assembly
#20
Jin Gu, Yajuan Su, Peng Liu, Peng Li, Peng Yang
The use of antimicrobial materials, for example, silver nanoparticles, has been a cause for concern because they often exert an adverse effect on environmental and safety during their preparation and use. In this study, we report a class of green antimicrobial coating based on a supramolecular assembly of a protein extracted from daily food, without the addition of any other hazardous agents. It is found that a self-assembled nanofilm by mere hen egg white lysozyme has durable in vitro and in vivo broad-spectrum antimicrobial efficacy against Gram-positive/negative and fungi...
December 23, 2016: ACS Applied Materials & Interfaces
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