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https://www.readbyqxmd.com/read/28650685/colored-glasses-to-mitigate-photophobia-symptoms-posttraumatic-brain-injury
#1
Joseph Clark, Kim Hasselfeld, Katy Bigsby, Jon Divine
CONTEXT:   After a concussion or mild traumatic brain injury (mTBI), patients often suffer from light sensitivity, or photophobia, which contributes to decreased quality of life post-mTBI. Whereas sunglasses may provide some relief from photophobia, they are not practical indoors or in low light. A light-mitigation strategy that can be easily used indoors as needed to optimize the relief. We have found that many photophobic patients experience relief using colored sunglasses. OBJECTIVE:   To provide the athletic trainer with a means and method to assess whether an athlete is suffering from photophobia after concussion and to determine if colored glasses provide relief...
June 26, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28649014/apatite-nanoparticles-strongly-improve-red-blood-cell-cryopreservation-by-mediating-trehalose-delivery-via-enhanced-membrane-permeation
#2
Martin Stefanic, Kevin Ward, Harvey Tawfik, Ralf Seemann, Vladimir Baulin, Yachong Guo, Jean-Baptiste Fleury, Christophe Drouet
Cryopreservation of red blood cells (RBC) is an important method for maintaining an inventory of rare RBC units and managing special transfusion circumstances. Currently, in a clinical setting, glycerol is used as cryoprotectant against freezing damage. After thawing and before transfusion, glycerol must however be removed to avoid intravascular hemolysis, via a complex and time-consuming deglycerolization process which requires specialized equipment. Improved cryopreservation methods using non-toxic agents are required to increase biocompatibility and decrease processing time...
June 18, 2017: Biomaterials
https://www.readbyqxmd.com/read/28647998/-analysis-of-optical-coherence-tomography-of-early-and-very-late-stent-restenosis-after-drug-eluting-stent-implantation
#3
Z J Liu, B Shi, C C Deng, G X Xu, R Z Zhao, C Y Shen, Z L Wang, H L Liu
Objective: Using optical coherence tomography (OCT) to analyze the morphological characteristics of lesions between early in-stent restenosis (E-ISR) and very late in-stent restenosis (VL-ISR) after drug-eluting stents (DES) implantation. Methods: In 25 patients (DES) with ISR, OCT images were acquired before percutaneous coronary intervention (PCI), the morphological characteristics of E-ISR (<1 years, n=14) and VL-ISR (>3 years, n=11) were compared.The quantitative and qualitative analysis of the entire stent and the minimum lumen area (MLA) site were carried out respectively...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28646858/reasons-for-encounter-by-different-levels-of-urgency-in-out-of-hours-emergency-primary-health-care-in-norway-a-cross-sectional-study
#4
Guttorm Raknes, Steinar Hunskaar
BACKGROUND: Frequencies of reasons for encounter (RFEs) in emergency primary care out-of-hours (OOH) services are relevant for planning of capacities as well as to target the training of staff at casualty clinics. We aimed to present frequencies of RFEs in the different organ systems, and to identify the most frequent RFEs at different urgency levels. METHODS: We analyzed data on RFEs in Norwegian OOH services. International Classification of Primary Care (ICPC-2) RFE codes were recorded in all contacts to eight representative OOH casualty clinics in 2014 and 2015 covering 20 municipalities with a total population of 260 196...
June 24, 2017: BMC Emergency Medicine
https://www.readbyqxmd.com/read/28640823/estimating-the-number-of-secondary-ebola-cases-resulting-from-an-unsafe-burial-and-risk-factors-for-transmission-during-the-west-africa-ebola-epidemic
#5
Amanda Tiffany, Benjamin D Dalziel, Hilary Kagume Njenge, Ginger Johnson, Roselyn Nugba Ballah, Daniel James, Abdoulaye Wone, Juliet Bedford, Amanda McClelland
BACKGROUND: Safely burying Ebola infected individuals is acknowledged to be important for controlling Ebola epidemics and was a major component of the 2013-2016 West Africa Ebola response. Yet, in order to understand the impact of safe burial programs it is necessary to elucidate the role of unsafe burials in sustaining chains of Ebola transmission and how the risk posed by activities surrounding unsafe burials, including care provided at home prior to death, vary with human behavior and geography...
June 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28640817/an-r-camp1-07-reporter-mouse-for-cell-type-specific-expression-of-a-sensitive-red-fluorescent-calcium-indicator
#6
Philipp Bethge, Stefano Carta, Dayra A Lorenzo, Ladan Egolf, Despoina Goniotaki, Linda Madisen, Fabian F Voigt, Jerry L Chen, Bernard Schneider, Masamichi Ohkura, Junichi Nakai, Hongkui Zeng, Adriano Aguzzi, Fritjof Helmchen
Genetically encoded calcium indicators (GECIs) enable imaging of in vivo brain cell activity with high sensitivity and specificity. In contrast to viral infection or in utero electroporation, indicator expression in transgenic reporter lines is induced noninvasively, reliably, and homogenously. Recently, Cre/tTA-dependent reporter mice were introduced, which provide high-level expression of green fluorescent GECIs in a cell-type-specific and inducible manner when crossed with Cre and tTA driver mice. Here, we generated and characterized the first red-shifted GECI reporter line of this type using R-CaMP1...
2017: PloS One
https://www.readbyqxmd.com/read/28640193/identification-of-light-independent-anthocyanin-biosynthesis-mutants-induced-by-ethyl-methane-sulfonate-in-turnip-tsuda-brassica-rapa
#7
Jian-Fei Yang, Yun-Zhu Chen, Saneyuki Kawabata, Yu-Hua Li, Yu Wang
The epidermis of swollen storage roots in purple cultivars of turnip "Tsuda" (Brassica rapa) accumulates anthocyanin in a light-dependent manner, especially in response to UV-A light, of which the mechanism is unclear. In this study, we mutagenized 15,000 seeds by 0.5% (v/v) ethyl methane sulfonate (EMS) and obtained 14 mutants with abnormal anthocyanin production in their epidermis of swollen storage roots. These mutants were classified into two groups: the red mutants with constitutive anthocyanin accumulation in their epidermis of storage roots even in underground parts in darkness and the white mutants without anthocyanin accumulation in the epidermis of storage roots in aboveground parts exposed to sunlight...
June 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28638600/quantification-of-bleeding-volume-using-computed-tomography-and-clinical-complications-after-percutaneous-renal-biopsy
#8
Yoichiro Chikamatsu, Ken Matsuda, Yoichi Takeuchi, Saeko Kagaya, Yoshie Ojima, Hirotaka Fukami, Hiroyuki Sato, Ayako Saito, Yoshitsugu Iwakura, Tasuku Nagasawa
Background: The aim of this study was to investigate specific bleeding volume after percutaneous renal biopsy (PRB) and the correlation between bleeding volume and clinical parameters. Methods: A retrospective study of 252 consecutive patients (153 male patients and 99 female patients) who underwent PRB at the Department of Nephrology, Japanese Red Cross Ishinomaki Hospital, between July 2013 and January 2016 was conducted. PRB was performed under ultrasound guidance using an automated spring-loaded biopsy device and a 16-cm, 16-gauge needle...
February 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28636489/evaluation-of-countermeasures-for-red-light-running-by-traffic-simulator-based-surrogate-safety-measures
#9
Changju Lee, Jaehyun Jason So, Jiaqi Ma
OBJECTIVE: The conflicts among motorists entering a signalized intersection with the red light indication have become a national safety issue. Because of its sensitivity, efforts have been made to investigate the possible causes and effectiveness of countermeasures by the comparison sites and/or before-and-after studies. Nevertheless, these approaches are ineffective when comparison sites cannot be found, or crash data sets are not readily available or not reliable for statistical analysis...
June 21, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28636066/assessment-of-the-cross-bridge-induced-interaction-of-red-blood-cells-by-optical-trapping-combined-with-microfluidics
#10
Kisung Lee, Christian Wagner, Alexander V Priezzhev
No abstract text is available yet for this article.
September 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28635414/core-shell-pla-pva-porous-microparticles-as-carriers-for-bacteriocin-nisin
#11
Pavlina Holcapkova, Martina Hrabalikova, Petra Stoplova, Vladimir Sedlarik
This work is focused on preparation of novel porous type of core-shell-structured microparticles based on polylactide (shell) and poly(vinyl alcohol) cross-linked with glutaric acid (GA) (core) prepared by water-in-oil-in-water solvent evaporation technique. The microparticle systems were used as delivery systems for immobilisation of model antibacterial agent - nisin. The effect of cross-linking and the initial amount of nisin on their morphology was investigated using scanning electron microscopy, BET analysis, zeta potential measurement and Fourier transform infra-red spectroscopy...
June 21, 2017: Journal of Microencapsulation
https://www.readbyqxmd.com/read/28631828/development-of-a-colloidal-gold-immunochromatographic-assay-gica-for-the-rapid-detection-of-spiroplasma-eriocheiris-in-commercially-exploited-crustaceans-from-china
#12
H Liu, Y Xiu, Y Xu, M Tang, S Li, W Gu, Q Meng, W Wang
Spiroplasma eriocheiris is an emerging pathogen in freshwater crustaceans. In recent years, Eriocheir sinensis, Procambarus clarkii, Litopenaeus vannamei, Macrobrachium rosenbergii and Macrobrachium nipponense had been infected by this pathogen in China. An immunochromatographic strip test using gold nanoparticles was developed for rapidly detecting this pathogen. The strip test based on the principle of sandwich immunoassay by the specific combination between the pathogen and polyclonal antibody on a nitrocellulose membrane...
June 20, 2017: Journal of Fish Diseases
https://www.readbyqxmd.com/read/28629515/mutual-cross-talk-between-iron-homeostasis-and-erythropoiesis
#13
Ilona Rybinska, Gaetano Cairo
Iron is necessary for physiological processes essential for the activity of all cells, but the erythropoietic compartment is a privileged iron consumer. In fact, a considerable amount of iron is daily required for hemoglobin synthesis and erythroid cell proliferation. Therefore, a tight link exists between iron metabolism and erythropoiesis. The iron needed for hemoglobin synthesis is mainly ensured by inhibiting hepcidin expression, thereby increasing both ferroportin-mediated iron export from the duodenal absorptive cells and iron release from the reticuloendothelial cells that process old and/or damaged red blood cells...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28628146/-influence-of-awareness-on-the-behaviors-of-chinese-adults-with-diabetes-mellitus
#14
(no author information available yet)
OBJECTIVE: To explore the influence of awareness on the behaviors of Chinese adults with diabetes mellitus, so as to provide scientific evidence for developing relevant policies and strategies in the prevention and control of diabetes. METHODS: Data from the 2013 China Chronic Disease Risk Factor Surveillance were used, covering 297 surveillance counties (districts). The variables involved in this cross-sectional study included: the prevalence of diabetes, the awareness situation, demographic characteristics, behaviors, and other information...
June 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28625107/associations-between-omega-3-fatty-acids-and-25-oh-d-and-psychological-distress-among-inuit-in-canada
#15
Hans-Ragnar Skogli, Dominique Geoffroy, Hope A Weiler, Grethe S Tell, Laurence J Kirmayer, Grace M Egeland
BACKGROUND: Inuit in Canada have experienced dietary changes over recent generations, but how this relates to psychological distress has not been investigated. OBJECTIVE: To evaluate how nutritional biomarkers are related to psychological distress. DESIGN: A total of 36 communities in northern Canada participated in the International Polar Year Inuit Health Survey (2007-2008). Of 2796 households, 1901 (68%) participated; 1699 Inuit adults gave blood samples for biomarker analysis and answered the Kessler 6-item psychological distress questionnaire (K6)...
2017: International Journal of Circumpolar Health
https://www.readbyqxmd.com/read/28624291/vascular-lysyl-oxidase-over-expression-alters-extracellular-matrix-structure-and-induces-oxidative-stress
#16
Saray Varona, Ana B García-Redondo, Jose Martínez-González, Mercedes Salaices, Ana M Briones, Cristina Rodríguez
INTRODUCTION: Lysyl oxidase (LOX) participates in the assembly of collagen and elastin fibres. The impact of vascular LOX over-expression on extracellular matrix (ECM) structure and its contribution to oxidative stress has been analysed. METHODS: Studies were conducted on mice over-expressing LOX (Tg), specifically in smooth muscle cells (VSMC). Gene expression was assessed by real-time PCR analysis. Sirius Red staining, H2O2 production and NADPH oxidase activity were analysed in different vascular beds...
June 14, 2017: Clínica e Investigación en Arteriosclerosis
https://www.readbyqxmd.com/read/28624276/cow-and-environmental-factors-associated-with-protein-fractions-and-free-amino-acids-predicted-using-mid-infrared-spectroscopy-in-bovine-milk
#17
A McDermott, M De Marchi, D P Berry, G Visentin, M A Fenelon, N Lopez-Villalobos, S McParland
The objective of the present study was to identify the factors associated with both the protein composition and free amino acid (FAA) composition of bovine milk predicted using mid-infrared spectroscopy. Milk samples were available from 7 research herds and 69 commercial herds. The spectral data from the research herds comprised 94,286 separate morning and evening milk samples; the spectral data from the commercial herds comprised 40,260 milk samples representing a composite sample of both the morning and evening milkings...
June 14, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28623354/tomographic-particle-image-velocimetry-using-smartphones-and-colored-shadows
#18
Andres A Aguirre-Pablo, Meshal K Alarfaj, Er Qiang Li, J F Hernández-Sánchez, Sigurdur T Thoroddsen
We demonstrate the viability of using four low-cost smartphone cameras to perform Tomographic PIV. We use colored shadows to imprint two or three different time-steps on the same image. The back-lighting is accomplished with three sets of differently-colored pulsed LEDs. Each set of Red, Green & Blue LEDs is shone on a diffuser screen facing each of the cameras. We thereby record the RGB-colored shadows of opaque suspended particles, rather than the conventionally used scattered light. We subsequently separate the RGB color channels, to represent the separate times, with preprocessing to minimize noise and cross-talk...
June 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28620953/molecular-characterisation-of-%C3%AE-and-%C3%AE-thalassaemia-among-indigenous-senoi-orang-asli-communities-in-peninsular-malaysia
#19
Danny Xuan Rong Koh, Raja Zahratul Azma Raja Sabudin, Malisa Mohd Yusoff, Noor Hamidah Hussin, Rahimah Ahmad, Ainoon Othman, Endom Ismail
Thalassaemia is a public health problem in Malaysia, with each ethnic group having their own common mutations. However, there is a lack on data on the prevalence and common mutations among the indigenous people. This cross-sectional study was performed to determine the common mutations of α- and β-thalassaemia among the subethnic groups of Senoi, the largest Orang Asli group in Peninsular Malaysia. Blood samples collected from six Senoi subethnic groups were analysed for full blood count and haemoglobin analysis (HbAn)...
June 16, 2017: Annals of Human Genetics
https://www.readbyqxmd.com/read/28616185/asymmetry-matters-a-genomic-assessment-of-directional-biases-in-gene-flow-between-hybridizing-spruces
#20
Guillaume de Lafontaine, Jean Bousquet
Assessing directional bias in interspecific gene flow might be important in determining the evolutionary trajectory of closely related species pairs. Using a set of 300 single nucleotide polymorphisms (SNPs) having variable propensity to cross species boundary, we evaluated the genomic extent and direction of interspecific gene flow in a progenitor-derivative spruce species pair (black spruce and red spruce). A higher rate of gene flow was found from black spruce toward red spruce purebreds than vice versa...
June 2017: Ecology and Evolution
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