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https://www.readbyqxmd.com/read/28722442/sensing-active-heparin-by-counting-aggregated-quantum-dots-at-single-particle-level
#1
Suli Dong, Xiaojun Liu, Qingquan Zhang, Wenfeng Zhao, Chenghua Zong, Aiye Liang, Hongwei Gai
Developing highly sensitive and highly selective assays for monitoring heparin levels in blood is required during and after surgery. In previous studies, electrostatic interactions are exploited to recognize heparin and changes in light signal intensity are used to sense heparin. In the present study, we developed a quantum dot (QD) aggregation-based detection strategy to quantify heparin. When cationic micelles and fluorescence QDs modified with anti-thrombin III (AT III) are added into heparin sample solution, the AT III-QDs, which specifically bind with heparin, aggregate around the micelles...
January 27, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28706609/distribution-of-class-i-integron-and-smqnr-resistance-gene-among-stenotrophomonas-maltophilia-isolated-from-clinical-samples-in-iran
#2
Mohammadali Malekan, Bahman Tabaraie, Ladan Akhoundtabar, Parviz Afrough, Ava Behrouzi
BACKGROUND: Stenotrophomonas maltophilia (S. maltophilia) is a multiple-antibiotic-resistant opportunistic pathogen that is being isolated with increasing frequency from patients with health-care-associated infections. S. maltophilia is inherently resistant to most of the available antimicrobial agents. Spread of resistant strains has been attributed, in part, to class I integrons. In vitro susceptibility studies have shown trimethoprim-sulfamethoxazole and new floroquinolones as two important agents with activity against these organisms...
July 2017: Avicenna Journal of Medical Biotechnology
https://www.readbyqxmd.com/read/28702913/time-series-analysis-of-ambient-air-pollution-effects-on-daily-mortality
#3
Yinsheng Guo, Yue Ma, Yanwei Zhang, Suli Huang, Yongsheng Wu, Shuyuan Yu, Fei Zou, Jinquan Cheng
Although the growths of ambient pollutants have been attracting public concern, the characteristic of the associations between air pollutants and mortality remains elusive. Time series analysis with a generalized additive model was performed to estimate the associations between ambient air pollutants and mortality outcomes in Shenzhen City for the period of 2012-2014. The results showed that nitrogen dioxide (NO2)-induced excess risks (ER) of total non-accidental mortality and cardiovascular mortality were significantly increased (6...
July 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28687424/identification-by-serological-proteome-analysis-of-paramyosin-as-prominent-allergen-in-dust-mite-allergy
#4
Antonio Conti, Giulia Burastero, Claudia Suli, Srinita Banerjee, Susanne Vrtala, Massimo Alessio, Samuele E Burastero
Component-resolved diagnosis (CRD) of IgE-mediated hypersensitivities is challenged by the possibility that single patients are sensitized to components not commercially available to the clinical lab. Here, we studied a patient with positive extract-based diagnosis of house dust mite (HDM) allergy based on routine in vivo (prick test) and in vitro (serum specific IgE) tests, whose serum scored negative for IgE to the three recombinant allergens routinely used in CRD (group 1 allergens, group 2 allergens and tropomyosin)...
July 4, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28674052/characterization-of-a-large-antibiotic-resistance-plasmid-found-in-enteropathogenic-escherichia-coli-strain-b171-and-its-relatedness-to-plasmids-of-diverse-e-coli-and-shigella
#5
Tracy H Hazen, Jane Michalski, Sushma Nagaraj, Iruka N Okeke, David A Rasko
Enteropathogenic Escherichia coli (EPEC) are a leading cause of severe infantile diarrhea in developing countries. Previous research has focused on the diversity of the EPEC virulence plasmid, whereas less is known regarding the genetic content and distribution of antibiotic resistance plasmids carried by EPEC. A previous study demonstrated that in addition to the virulence plasmid, reference EPEC strain B171 harbors a second, larger plasmid that confers antibiotic resistance. To further understand the genetic diversity and dissemination of antibiotic resistance plasmids among EPEC, we describe the complete sequence of an antibiotic resistance plasmid from EPEC strain B171...
July 3, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28667102/adiponectin-improves-coronary-no-reflow-injury-by-protecting-endothelium-in-rats-with-type-2-diabetes-mellitus
#6
Xue Han, Ye Wu, Xin Liu, Lu Ma, Tingting Lv, Qi Sun, Wenli Xu, Suli Zhang, Ke Wang, Wen Wang, Xinliang Ma, Huirong Liu
To determine the effect of adiponectin on the coronary no-reflow (NR) injury in rats with Type 2 Diabetes Mellitus (T2DM), 80 male SD rats were fed with high-sugar and high-fat diet to build T2DM model. Rats received vehicle or Adiponectin (APN) in the last week and then were subjected to myocardial ischemia reperfusion (MI/R) injury. Endothelium dependent vasorelaxation of thoracic aorta was significantly decreased and serum levels of endothelin-1 (ET-1), intercellular cell adhesion molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1) were obviously increased in T2DM rats compared with that in the rats without T2DM...
June 30, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28642752/a-comprehensive-epidemiological-research-for-clinical-vibrio-parahaemolyticus-in-shanghai
#7
Huan Li, Rong Tang, Yang Lou, Zelin Cui, Wenjing Chen, Qing Hong, Zhaohuan Zhang, Pradeep K Malakar, Yingjie Pan, Yong Zhao
Vibrio parahaemolyticus is one of the most important pathogen for seafood-borne gastroenteritis in Shanghai and the rest of the world. A total of 42 V. parahaemolyticus strains were isolated from 1900 fecal specimens collected from patients in Shanghai hospital presenting from January 2014 to December 2015. All isolates were evaluated for potential virulence factors [tdh, trh, and type three secretion system (T3SS) genes], typed using multilocus sequence typing (MLST) and screened for antimicrobial resistance phenotype and genotype...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28633696/cross-border-collaboration-for-improved-tuberculosis-prevention-and-care-policies-tools-and-experiences
#8
M Dara, G Sulis, R Centis, L D'Ambrosio, G de Vries, P Douglas, D Garcia, N Jansen, E Zuroweste, G B Migliori
As tuberculosis (TB) spreads beyond borders with people movements, several interventions ensuring the continuity of care are essential, although difficult to put in place in the absence of well-defined agreements allowing data sharing and easy referral of patients to appropriate health facilities. This article first sets out general principles for cross-border collaboration and continuity of care. It then presents a series of case studies. Policies and practices on cross-border collaboration in selected low-incidence countries (Australia, Italy, Norway, The Netherlands, the United Kingdom and the United States) are described and critically appraised...
July 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28627490/genotyping-and-antimicrobial-resistance-genes-of-yersinia-ruckeri-isolates-from-rainbow-trout-farms
#9
Muhammed Duman, Soner Altun, Murat Cengiz, Izzet Burcin Saticioglu, Ayse Gul Buyukekiz, Pinar Sahinturk
In this study, we compared 142 Yersinia ruckeri isolates collected between 2013 and 2016 from 6 different regions in Turkey. A total of 18 different genogroups were found, though most of the isolates clustered into the same genogroup as serotype O1. As immunization of fish with inactivated Y. ruckeri by injection, immersion, or feeding provide minimal protection against Y. ruckeri infection in Turkey, many fish producers use antimicrobials unrestrictedly, resulting in antimicrobial resistance in aquatic pathogens...
June 19, 2017: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/28598163/structural-color-patterns-on-paper-fabricated-by-inkjet-printer-and-their-application-in-anticounterfeiting
#10
Suli Wu, Baoqi Liu, Xin Su, Shufen Zhang
Inkjet-printed structural color patterns have attracted great attention in recent years because of their broadly promising applications. However, the patterns are usually fabricated on pretreated plastic substrates. Herein a convenient inkjet printing method was developed to fabricate large-scale computer-designed structural color patterns on photo paper without any treatment using inks containing monodisperse CdS spheres. By this strategy, not only were the single-color and multicolor structural color patterns on paper successfully obtained, but also invisible photonic anticounterfeiting was achieved without any external stimuli...
June 12, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28587073/epidemiological-features-and-forecast-model-analysis-for-the-morbidity-of-influenza-in-ningbo-china-2006-2014
#11
Chunli Wang, Yongdong Li, Wei Feng, Kui Liu, Shu Zhang, Fengjiao Hu, Suli Jiao, Xuying Lao, Hongxia Ni, Guozhang Xu
This study aimed to identify circulating influenza virus strains and vulnerable population groups and investigate the distribution and seasonality of influenza viruses in Ningbo, China. Then, an autoregressive integrated moving average (ARIMA) model for prediction was established. Influenza surveillance data for 2006-2014 were obtained for cases of influenza-like illness (ILI) (n = 129,528) from the municipal Centers for Disease Control and virus surveillance systems of Ningbo, China. The ARIMA model was proposed to predict the expected morbidity cases from January 2015 to December 2015...
May 25, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28562626/evaluation-of-awareness-utilisation-of-clinical-practise-guideline-for-management-of-adult-dengue-infection-among-malaysia-doctors
#12
Mohd Izhar Ariff, Abqariyah Yahya, Rafdzah Zaki, Roza Sarimin, Izzuna Mudla Mohamed Ghazali, Balvinder Singh Gill, Zailiza Suli, Mohd Aminuddin Mohd Yusof, Nafisah Ahmad Lutfi, Sin Lian Thye, Fatanah Ismail, Maimunah Mahmud, Rugayah Bakri
Clinical Practice Guideline (CPG) provides evidence-based guidance for the management of Dengue Infection in adult patients. A cross sectional study was conducted to evaluate awareness and utilization of CPG among doctors in public or private hospitals and clinics in Malaysia. Doctors practicing only at hospital Medical and Emergency Departments were included, while private specialist clinics were excluded in this study. A multistage proportionate random sampling according to region (Central, Northern, Southern, Eastern, Sabah and Sarawak) was performed to select study participants...
2017: PloS One
https://www.readbyqxmd.com/read/28556446/multiresidue-analysis-of-glucocorticoids-in-milk-by-lc-ms-ms-with-low-temperature-purification-and-dispersive-solid-phase-extraction
#13
Lili Ma, Xiaojing Fan, Li Jia, Jiaqi Wang, Suli Wang, Liuwei Zhao
A multiresidue method for the determination of 12 glucocorticoids (clobetasol propionate, budesonide, triamcinolone, triamcinolone acetonide, fludrocortisone acetate, flumethasone, beclomethasone, prednisone acetate, 6-α-methylprednisolone, hydrocortisone, cortisone, and prednisone) in bovine milk was developed using liquid chromatography with tandem mass spectrometry. Isoflupredone was used as an internal standard. Milk samples were treated with ethyl acetate to extract glucocorticoids and were frozen at -20°C for 6 h to precipitate fat...
July 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28551095/an-in-depth-analysis-identifies-two-new-independent-signals-in-11q23-3-associated-with-vitiligo-in-the-chinese-han-population
#14
Suli Zhao, Fang Fang, Xianfa Tang, Jinfa Dou, Wenjun Wang, Xiaodong Zheng, Liangdan Sun, Anping Zhang
BACKGROUND: Vitiligo is an autoimmune disease, characterized by progressive loss of skin pigmentation, which is caused by the interactions of multiple factors, such as heredity, immunity and environment. Recently, a single nucleotide polymorphism (SNP) rs638893 at 11q23.3 region was identified as a risk factor for vitiligo in genome-wide association studies and multiple SNPs in this region have been associated with other autoimmune diseases. OBJECTIVE: This study aims to identify additional susceptibility variants associated with vitiligo at 11q23...
May 3, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28542918/multisite-external-validation-of-a-risk-prediction-model-for-the-diagnosis-of-blood-stream-infections-in-febrile-pediatric-oncology-patients-without-severe-neutropenia
#15
Adam J Esbenshade, Zhiguo Zhao, Catherine Aftandilian, Raya Saab, Rachel L Wattier, Melissa Beauchemin, Tamara P Miller, Jennifer J Wilkes, Michael J Kelly, Alison Fernbach, Michael Jeng, Cindy L Schwartz, Christopher C Dvorak, Yu Shyr, Karl G M Moons, Maria-Luisa Sulis, Debra L Friedman
BACKGROUND: Pediatric oncology patients are at an increased risk of invasive bacterial infection due to immunosuppression. The risk of such infection in the absence of severe neutropenia (absolute neutrophil count ≥ 500/μL) is not well established and a validated prediction model for blood stream infection (BSI) risk offers clinical usefulness. METHODS: A 6-site retrospective external validation was conducted using a previously published risk prediction model for BSI in febrile pediatric oncology patients without severe neutropenia: the Esbenshade/Vanderbilt (EsVan) model...
May 23, 2017: Cancer
https://www.readbyqxmd.com/read/28541358/manipulating-the-emission-intensity-and-lifetime-of-nayf4-yb-3-er-3-simultaneously-by-embedding-it-into-cds-photonic-crystals
#16
Xin Su, Xiaoqian Sun, Suli Wu, Shufen Zhang
Photonic crystals (PCs) have long been considered effective for tuning upconversion luminescence due to their photonic band gap (PBG) and the redistribution of density of optical states (DOS). Although the emission intensity can be changed obviously by the PC effect, rarely an obvious lifetime change consistent with theory is observed due to the low refractive index of PS or SiO2 spheres in the commonly used PCs. Herein, CdS/NaYF4:Yb(3+),Er(3+) composite PCs with a high refractive index contrast are fabricated in one step with upconversion nanoparticles filled inside CdS PCs...
June 8, 2017: Nanoscale
https://www.readbyqxmd.com/read/28528975/autophagy-related-gene-microarray-and-bioinformatics-analysis-for-ischemic-stroke-detection
#17
Yinsheng Guo, Yue Ma, Yanwei Zhang, Li Zhou, Suli Huang, Ying Wen, Fei Zou, Jinquan Cheng
Ischemic stroke (IS) is characterized by high morbidity and poor prognosis. However, the mechanisms of IS induced injury are still poorly understood. The main aim of this study is to explore the role of autophagy in IS. Ten pairs of whole blood samples of IS patients and matched controls were included to select differential expressed genes (DE genes) by autophagy-related functional gene microarray analysis. And then, one hundred and fifty pairs of whole blood samples of IS patients and matched controls were included to validate the DE genes...
July 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28497234/the-2017-caldar-summer-institute-and-international-conference-promoting-global-health-precision-research-in-substance-abuse-hiv-and-care
#18
Yih-Ing Hser, Ming D Li, Christine Grella, Lynn Brecht, Zhiwei Chen, Sulie L Chang, Linda Chang, Jacques Normand, Betty Tai
The 2017 CALDAR Summer Institute on Longituidnal Research and International Conference Series to Promote Global Health will take place in Los Angeles Universal City, CA, USA from August 15 to August 17, 2017. The conference will present a selection of the lastest and most current reseach in the areas of addiction, HIV, and related treatment.
May 11, 2017: Journal of Neuroimmune Pharmacology: the Official Journal of the Society on NeuroImmune Pharmacology
https://www.readbyqxmd.com/read/28482475/poly-amino-acid-hydroxyethyl-methacrylate-s-with-chiral-lysine-and-or-leucine-side-moieties-and-their-antibacterial-abilities-for-biomedical-applications
#19
Suli Hu, Wenhong Hu, Zhenguang Li, Lixia Ren, Yunhui Zhao, Xiaoyan Yuan
Biomedical applications of the synthetic polymers with amino acid side moieties have been studied in light of their biocompatibility. In this work, poly(amino acid-hydroxyethyl methacrylate)s with lysine (Lys)/leucine side moieties were synthesized via reversible addition-fragmentation chain transfer polymerization, and were verified with intrinsic chirality. For biomedical uses, their antibacterial abilities as well as hemolysis and cytotoxicity were investigated. The results indicated that there were similar inhibitions for d- and l-enantiomeric polymers against Staphylococcus aureus when the polymer concentrations were lower than ~300μg/mL, while the polymer containing d-Lys moiety was more effective against Escherichia coli...
July 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28480943/vaccination-of-broilers-against-newcastle-disease-in-the-presence-of-maternally-derived-antibodies
#20
Anto Vrdoljak, Máté Halas, Tamás Süli
OBJECTIVE: The aim of this study was to evaluate the efficacy of a live attenuated vaccine against Newcastle disease in broilers with different levels of maternally derived antibodies (MDA). While vaccination remains the single most important means for controlling Newcastle disease, presence of MDA may interfere with the vaccination of young birds and decrease the efficacy of the vaccine. MATERIALS AND METHODS: Day-old chicks with variable levels of MDA (negative, low and high) were vaccinated with a live attenuated vaccine against Newcastle disease...
June 20, 2017: Tierärztliche Praxis. Ausgabe G, Grosstiere/Nutztiere
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