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https://www.readbyqxmd.com/read/28437973/1867-2010-nm-tunable-femtosecond-thulium-doped-all-fiber-laser
#1
Biao Sun, Jiaqi Luo, Zhiyu Yan, Kun Liu, Junhua Ji, Ying Zhang, Qi Jie Wang, Xia Yu
We propose and demonstrate a broadly wavelength tunable mode-locked thulium-doped all-fiber laser, delivering sub-400 femtosecond (fs) pulses and tuning from 1867 nm to 2010 nm. The tunable range of 143 nm, to our best knowledge, is the widest in the femtosecond mode-locked thulium-doped fiber lasers (TDFLs). The broadly tunable range and femtosecond pulse oscillation attribute to the large free spectral range and bandwidth of the fiber-based Lyot filter, benefiting from the hybrid device based compact configuration...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437942/optical-damage-resistant-ti-diffused-zr-er-codoped-lithium-niobate-strip-waveguide-for-high-power-980-nm-pumping
#2
Wen-Bao Sun, Xiao-Fei Yang, Zi-Bo Zhang, Wing-Han Wong, Dao-Yin Yu, Edwin Yue-Bun Pun, De-Long Zhang
Ti<sup>4+</sup>-diffused Zr<sup>4+</sup>/Er<sup>3+</sup>-codoped LiNbO<sub>3</sub> strip waveguide was fabricated on an X-cut LiNbO<sub>3</sub> substrate by thermal diffusion in sequence of Er<sup>3+</sup>, Zr<sup>4+</sup> and Ti<sup>4+</sup>. Secondary ion mass spectrometry study shows that the Ti<sup>4+</sup> ions follow a sum of two error functions in the width direction and a Gauss function in the depth direction of the waveguide...
April 17, 2017: Optics Express
https://www.readbyqxmd.com/read/28437511/online-information-on-the-treatment-of-burning-mouth-syndrome-quality-and-readability
#3
Shatha Alnafea, Stefano Fedele, Stephen Porter, Richeal Ni Riordain
AIMS: To evaluate the quality and readability of online information about the treatment of burning mouth syndrome (BMS). METHODS: An internet search using the phrase "burning mouth syndrome treatment" was carried out on the Google search engine (www.google.co.uk) on 8 June 2015, and the first 100 websites listed were examined. Data collection included DISCERN score, the Journal of the American Medical Association (JAMA) benchmarks for website analysis score, the presence of the Health on the Net (HON) Foundation seal, and the Flesch Reading Ease Score (FRES)...
April 2017: Journal of Oral & Facial Pain and Headache
https://www.readbyqxmd.com/read/28437457/tissue-factor-dependent-coagulation-activation-by-heme-a-thromboelastometry-study
#4
Gleice Regina de Souza, Bidossessi Wilfried Hounkpe, Maiara Marx Luz Fiusa, Marina Pereira Colella, Joyce M Annichino-Bizzacchi, Fabiola Traina, Fernando Ferreira Costa, Erich Vinicius De Paula
Heme has been characterized as potent trigger of inflammation. In hemostasis, although heme has been shown to both induce and inhibit different compartments of hemostasis, its net effect on the hemostatic balance, and the biological relevance of these effects remain to be determined. Herein we evaluated the effect of heme on hemostasis using a global assay able to generate clinically relevant data in several other complex hemostatic diseases. Citrated whole blood samples from healthy participants were stimulated by heme or vehicle and incubated for 4h at 37°C...
2017: PloS One
https://www.readbyqxmd.com/read/28437449/insecticide-resistance-status-of-malaria-vectors-in-lao-pdr
#5
Sébastien Marcombe, Julie Bobichon, Boutsady Somphong, Nothasin Phommavan, Santi Maithaviphet, Simone Nambanya, Vincent Corbel, Paul T Brey
Knowledge on insecticide resistance in Anopheles species is a basic requirement to guide malaria vector control programs. In Lao PDR, vector control relies on insecticide residual spraying (IRS) and impregnated bed-nets (ITNs) with the use of pyrethroids. Here, the susceptibility of Anopheles species, including several malaria vectors (An. maculatus and An. minimus), to various insecticides was investigated in ten provinces of Lao PDR through a north-south transect. Bioassays were performed on field caught female mosquitoes using the standard WHO susceptibility tests with DDT (4%), deltamethrin (0...
2017: PloS One
https://www.readbyqxmd.com/read/28437277/the-fragile-balance-of-community-based-health-care-one-community-s-united-response-when-the-hiv-aids-primary-care-safety-net-failed
#6
Matthew Fifolt, D Scott Batey, James L Raper, Jane E Mobley, Lisa C McCormick
No abstract text is available yet for this article.
April 20, 2017: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/28436688/a-vibrational-circular-dichroism-microsampling-accessory-mapping-enhanced-vibrational-circular-dichroism-in-amyloid-fibril-films
#7
Xuefang Lu, Honggang Li, Jordan W Nafie, Tomáš Pazderka, Markéta Pazderková, Rina K Dukor, Laurence A Nafie
We report the first vibrational circular dichroism (VCD) measurement of spatial heterogeneity in a sample using infrared (IR) microsampling. Vibrational circular dichroism spectra are typically measured using a standard IR cell with an IR beam diameter of 10 mm or greater making it impossible to investigate the spatial heterogeneity of a solid film sample. We have constructed a VCD sampling assembly with either 3 mm or 1 mm spatial resolution. An XY-translation stage was used to measure spectra at different spatial locations producing IR and VCD maps of the sample...
January 1, 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28436589/short-chain-fatty-acids-augment-rat-duodenal-mucosal-barrier-function
#8
Wan Salman Wan Saudi, Markus Sjöblom
Short-chain fatty acids (SCFAs) are produced by bacterial fermentation in the large intestine, particularly from diets containing fibres and carbohydrates. The small intestinal epithelium is exposed to SCFAs derived mainly from oral bacteria or food supplementation. Although luminal nutrients are important in regulation of intestinal functions the role of SCFAs in regulation of small intestinal mucosal barrier function and motility has not been fully described. The aim of the present study was to elucidate the effects of acetate and propionate on duodenal mucosal barrier function and motility...
April 24, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28435911/is-cell-salvage-cost-effective-in-posterior-arthrodesis-for-adolescent-idiopathic-scoliosis-in-the-public-health-system
#9
José A A Oliveira, Fernando A M Façanha Filho, Francisco V Fernandes, Paulo C Almeida, Vládia F de Oliveira, Saulo R Lima Verde
BACKGROUND: To evaluate the efficacy and cost-effectiveness of cell salvage (CS) in reducing allogeneic transfusion in patients undergoing surgery for idiopathic scoliosis. METHODS: A case-control study with 42 patients with adolescent idiopathic scoliosis (AIS), submitted to posterior arthrodesis with instrumentation from 8/2008 to 12/2014 at the General Hospital of Fortaleza, Brazil. CS was used in 27 patients and not used in 15. The data was processed using the SPSS 20...
March 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/28435455/the-netpet-score-combining-fdg-and-somatostatin-receptor-imaging-for-optimal-management-of-patients-with-metastatic-well-differentiated-neuroendocrine-tumors
#10
EDITORIAL
Elif Hindié
Neuroendocrine tumors (NET) are often metastatic at the time of diagnosis. Metastatic well-differentiated (G1/G2) NET may display a wide range of behaviors, ranging from indolent to aggressive, even within apparently homogeneous categories. Thus, selecting the optimal treatment strategy is a challenging task. Somatostatin receptor imaging (SRI) is the standard molecular imaging technique for well-differentiated NET. When performed with (68)Ga-labeled somatostatin analogs (SRI-PET), it offers exquisite sensitivity for disease staging...
2017: Theranostics
https://www.readbyqxmd.com/read/28434407/ivermectin-to-reduce-malaria-transmission-iii-considerations-regarding-regulatory-and-policy-pathways
#11
REVIEW
Carlos Chaccour, N Regina Rabinovich
Vector control is a task previously relegated to products that (a) kill the mosquitoes directly at different stages (insecticides, larvicides, baited traps), or (b) avoid/reduce human-mosquito contact (bed nets, repellents, house screening), thereby reducing transmission. The potential community-based administration of the endectocide ivermectin with the intent to kill mosquitoes that bite humans, and thus reduce malaria transmission, offers a novel approach using a well-known drug, but additional steps are required to address technical, regulatory and policy gaps...
April 24, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28434275/cost-effectiveness-of-a-transitional-home-based-palliative-care-program-for-patients-with-end-stage-heart-failure
#12
Frances Kam Yuet Wong, Ching So, Alina Yee Man Ng, Po-Tin Lam, Jeffrey Sheung Ching Ng, Nancy Hiu Yim Ng, June Chau, Michael Mau Kwong Sham
BACKGROUND: Studies have shown positive clinical outcomes of specialist palliative care for end-stage heart failure patients, but cost-effectiveness evaluation is lacking. AIM: To examine the cost-effectiveness of a transitional home-based palliative care program for patients with end-stage heart failure patients as compared to the customary palliative care service. DESIGN: A cost-effectiveness analysis was conducted alongside a randomized controlled trial (Trial number: NCT02086305)...
April 1, 2017: Palliative Medicine
https://www.readbyqxmd.com/read/28434036/acromion-morphology-and-bone-mineral-density-distribution-suggest-favorable-fixation-points-for-anatomic-acromioclavicular-reconstruction
#13
Andreas Voss, Felix Dyrna, Andrea Achtnich, Alex Hoberman, Elifho Obopilwe, Andreas B Imhoff, Augustus D Mazzocca, Knut Beitzel
PURPOSE: Recent techniques for acromioclavicular (AC) joint reconstruction focus on additional AC cerclage to coracoclavicular (CC)-reconstructions. Due to the specific slim bone morphology at the acromion, there are concerns regarding these additional bone tunnels, as they may predispose to fracture and break out. The purpose of this study was to investigate anatomic properties of the acromion which may help improve surgical techniques directed at injuries to the AC joint. It was hypothesized that via measurements of thickness and density points of increased strength and support could be identified on the acromion...
April 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28433919/identification-of-differentially-expressed-mirnas-through-high-throughput-sequencing-in-the-chicken-lung-in-response-to-mycoplasma-gallisepticum-hs
#14
Yabo Zhao, Yue Hou, Kang Zhang, Bo Yuan, Xiuli Peng
Mycoplasma gallisepticum (MG) infects chickens, causes chronic respiratory diseases (CRD) and severely damages the poultry industry. It has been suggested that micro-ribonucleic acids (miRNAs) are involved in microbial pathogenesis. Here, we identified miRNAs that are associated with MG infection in chicken lungs at 3 and 10days post-infection by deep sequencing. Thirty-six down-regulated and 9 up-regulated miRNAs belonging to 31 miRNA families were detected at 3days post-infection, whereas 50 down-regulated and 18 up-regulated miRNAs belonging to 41 miRNA families were found at 10days post-infection...
April 12, 2017: Comparative Biochemistry and Physiology. Part D, Genomics & Proteomics
https://www.readbyqxmd.com/read/28433692/enhanced-biological-phosphorus-removal-at-low-sludge-retention-time-in-view-of-its-integration-in-a-stage-systems
#15
Carlos Chan, Albert Guisasola, Juan Antonio Baeza
The two-stage A/B WWTP configuration is being studied as a possible wastewater treatment with low energy consumption or even with a net energy generation. The first phase, A-stage, is designed to remove organic matter at very short Sludge Retention Time (SRT), while the B-stage is based on autotrophic nitrogen removal. However, P-removal in the A/B process usually only relies on precipitation. This work studies the potential inclusion of Enhanced Biological Phosphorus Removal (EBPR) in the A-stage phase. For this aim, the long-term operation of three different Sequencing Batch Reactors (SBR) enriched in Accumulibacter at low SRT was thoroughly monitored for more than three months each one...
April 9, 2017: Water Research
https://www.readbyqxmd.com/read/28433555/systemic-application-of-sirolimus-prevents-neointima-formation-not-via-a-direct-anti-proliferative-effect-but-via-its-anti-inflammatory-properties
#16
Jan-Marcus Daniel, Jochen Dutzmann, Hannes Brunsch, Johann Bauersachs, Rüdiger Braun-Dullaeus, Daniel G Sedding
BACKGROUND: Systemic treatment with sirolimus, as used for immunosuppression in transplant patients, results in markedly low rates of in-stent restenosis. Since the underlying mechanisms remain obscure, we aimed to determine the molecular and cellular effects of systemic sirolimus treatment on vascular remodeling processes. METHODS AND RESULTS: Systemic sirolimus treatment significantly reduced smooth muscle cell (SMC) proliferation 14days after wire-induced injury and neointima formation 28days after injury in C57BL/6 mice, while simultaneously impairing re-endothelialization...
March 14, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28433423/prefrontal-cortex-expression-of-chromatin-modifier-genes-in-male-wsp-and-wsr-mice-changes-across-ethanol-dependence-withdrawal-and-abstinence
#17
Joel G Hashimoto, David P Gavin, Kristine M Wiren, John C Crabbe, Marina Guizzetti
Alcohol-use disorder (AUD) is a relapsing disorder associated with excessive ethanol consumption. Recent studies support the involvement of epigenetic mechanisms in the development of AUD. Studies carried out so far have focused on a few specific epigenetic modifications. The goal of this project was to investigate gene expression changes of epigenetic regulators that mediate a broad array of chromatin modifications after chronic alcohol exposure, chronic alcohol exposure followed by 8 h withdrawal, and chronic alcohol exposure followed by 21 days of abstinence in Withdrawal-Resistant (WSR) and Withdrawal Seizure-Prone (WSP) selected mouse lines...
March 14, 2017: Alcohol
https://www.readbyqxmd.com/read/28433333/effects-of-hospital-safety-net-burden-and-hospital-volume-on-failure-to-rescue-after-open-abdominal-aortic-surgery
#18
Eric B Rosero, Girish P Joshi, Abu Minhajuddin, Carlos H Timaran, J Gregory Modrall
OBJECTIVE: Failure to rescue (FTR) is defined as the inability to rescue a patient from major perioperative complications, resulting in operative mortality. FTR is a known contributor to operative mortality after open abdominal aortic surgery. Understanding the causes of FTR is essential to designing interventions to improve perioperative outcomes. The objective of this study was to determine the relative contributions of hospital volume and safety-net burden (the proportion of uninsured and Medicaid-insured patients) to FTR...
April 19, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28433247/outpatient-laparoscopic-appendectomy-feasible-in-a-public-county-hospital
#19
David R Rosen, Kenji Inaba, Paul J Oh, Adam C Gutierrez, Aaron M Strumwasser, Subarna Biswas, Melody Cala, Glenn T Ault
BACKGROUND: Outpatient laparoscopic appendectomy is being used increasingly as a treatment option for acute, uncomplicated appendicitis. This was a prospective validation study in a large, urban, public safety-net hospital. STUDY DESIGN: From 2014 to 2016, all patients undergoing laparoscopic appendectomy for acute, uncomplicated appendicitis were enrolled in a prospective observational trial. Standard baseline perioperative practice (control group) was documented for 1 year...
March 13, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28433221/c-reactive-protein-predicts-acute-kidney-injury-and-death-after-coronary-artery-bypass-grafting
#20
Seung Seok Han, Dong Ki Kim, Sejoong Kim, Ho Jun Chin, Dong-Wan Chae, Ki Young Na
BACKGROUND: A better prediction of postoperative acute kidney injury (AKI) is worthwhile in patients undergoing coronary artery bypass grafting (CABG) because AKI is associated with high rates of morbidity and mortality. The present study was performed to investigate whether preoperative C-reactive protein (CRP) predicted AKI and the long-term rate of mortality in CABG. METHODS: This retrospective cohort study included 1,656 patients whose high-sensitivity CRPs were measured before CABG at two tertiary referral centers from 2004 to 2010...
April 19, 2017: Annals of Thoracic Surgery
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