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https://www.readbyqxmd.com/read/27914366/rapid-and-low-cost-biosensor-for-the-detection-of-staphylococcus-aureus
#1
Ghadeer A R Y Suaifan, Sahar Alhogail, Mohammed Zourob
Staphylococcus aureus (S. aureus) is one of the most common etiological agents in hospital-acquired infections and food-borne illness. S. aureus toxins and virulence proteases often circulate in host blood vessels leading to life-threatening diseases. Standard identification approaches include bacterial culturing method, which takes several days. Other nucleic acid-based methods were expensive and required trained personnel. To surmount these limitations, a paper-based biosensor was developed. The sensing mechanism was based on the proteolytic activity of S...
November 21, 2016: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27914264/pattern-based-sensing-of-triple-negative-breast-cancer-cells-with-dual-ligand-cofunctionalized-gold-nanoclusters
#2
Yu Tao, Mingqiang Li, Debra T Auguste
Early detection of breast cancer is a critical component in patient prognosis and establishing effective therapy regimens. Here, we developed an easily accessible yet potentially powerful sensor to detect cancer cell targets by utilizing seven dual-ligand cofunctionalized gold nanoclusters (AuNCs) as both effective cell recognition elements and signal transducers. On the basis of this AuNC multichannel sensor, we have successfully distinguished healthy, cancerous and metastatic human breast cells with excellent reproducibility and high sensitivity...
November 25, 2016: Biomaterials
https://www.readbyqxmd.com/read/27914210/randomized-controlled-trial-of-oral-immunotherapy-for-egg-allergy-in-japanese-patients
#3
Masayuki Akashi, Hiroki Yasudo, Masami Narita, Ichiro Nomura, Akira Akasawa, Motohiro Ebisawa, Takao Takahashi, Yukihiro Ohya
BACKGROUND: Egg allergy is one of the most common food allergies in young child. While oral immunotherapy (OIT) is not routinely recommended in current guidelines, it has been considered as a potential alternative treatment strategy. Studies on OIT for food allergies have been explored; however, no studies with control group have been reported in Japan. METHODS: The first oral food challenge test (OFC) was performed on participants before treatment to ensure the diagnosis and evaluate the threshold dose for egg by the way of double-blind, placebo-controlled food challenge (DBPCFC)...
December 3, 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27914137/is-vitamin-d-an-independent-risk-factor-of-nonalcoholic-fatty-liver-disease-a-cross-sectional-study-of-the-healthy-population
#4
Danbee Park, Hyuktae Kwon, Seung Won Oh, Hee Kyung Joh, Seung Sik Hwang, Jin Ho Park, Jae Moon Yun, Hyejin Lee, Goh Eun Chung, Sangjoon Ze, Jae Hong Park, Yeseul Bae, Arang Lee
The association between vitamin D levels and nonalcoholic fatty liver disease (NAFLD) has been recognized. However, few studies showed independent associations between vitamin D deficiency and NAFLD after a sex-related adjustment for metabolic factors. We aimed to study whether vitamin D deficiency is an independent risk factor of NAFLD even after controlling for metabolic syndrome and visceral fat in both sexes. In this cross-sectional study, 7,514 Korean adults (5,278 men, 2,236 women) participated in a health check-up program...
January 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27914041/paliperidone-loaded-nanolipomer-system-for-sustained-delivery-and-enhanced-intestinal-permeation-superiority-to-polymeric-and-solid-lipid-nanoparticles
#5
Hala Mahmoud Helal, Sana Mohamed Mortada, Marwa Ahmed Sallam
Paliperidone (PPD) is the most recent second-generation atypical antipsychotic approved for the treatment of schizophrenia. An immediate release dose causes extrapyramidal side effects. In this work, a novel nanolipomer carrier system for PPD with enhanced intestinal permeability and sustained release properties has been developed and optimized. PPD was successfully encapsulated into a lipomer consisting of a specific combination of biocompatible materials including poly-ε-caprolactone as a polymeric core, Lipoid S75, and Gelucire® 50/13 as a lipid shell and polyvinyl alcohol as a stabilizing agent...
December 2, 2016: AAPS PharmSciTech
https://www.readbyqxmd.com/read/27914006/accurate-myocardial-blood-flow-measurements-quality-from-start-to-finish-is-key-to-success
#6
EDITORIAL
James Case
Overall repeatability and accuracy of myocardial blood flow measurements depend on the quality of the image data, the proper use of the quantitative software, and the training of clinical staff. Unlike most imaging tests, absolute blood flow measurements have the potential to provide accurate information beyond what is seen visually. This additive information has been shown to help identify multivessel disease, balanced ischemia, true normal studies, and quality control problems that may not be visible in the relative perfusion pattern...
December 2, 2016: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/27914002/phenotypic-and-genotypic-characterization-of-bacteriocinogenic-enterococci-against-clostridium-botulinum
#7
Awad A Shehata, Reda Tarabees, Shereen Basiouni, Mahmoud Gamil, Ahmed S Kamal, Monika Krüger
The present study aimed to characterize Enterococcus faecalis (n = -6) and Enterococcus faecium (n = 1) isolated from healthy chickens to find a novel perspective probiotic candidate that antagonize Clostridium botulinum types A, B, D, and E. The isolated enterococci were characterized based on phenotypic properties, PCR, and matrix-assisted laser desorption/ionization time of flight (MALDI-TOF). The virulence determinants including hemolytic activity on blood agar, gelatinase activity, sensitivity to vancomycin, and presence of gelatinase (gelE) and enterococcal surface protein (esp) virulence genes were investigated...
December 2, 2016: Probiotics and Antimicrobial Proteins
https://www.readbyqxmd.com/read/27913815/-volume-therapy-in-the-severely-injured-patient-recommendations-and-current-guidelines
#8
Sigune Kaske, Marc Maegele
BACKGROUND: Volume therapy is a cornerstone of early resuscitation of severely injured trauma patients, but the optimal strategy remains under debate. A recent Cochrane review could not find evidence for or against early volume replacement or large versus small amounts of fluid. METHOD: Current recommendations and guidelines regarding volume therapy in severely injured patients are summarized based upon the updated European Trauma Guideline on the management of major bleeding and coagulopathy following trauma (fourth edition) and the S3-Guideline Polytrauma and combined with a selective review of the literature...
December 2, 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/27913807/determination-of-a-threshold-compromise-value-for-the-perfusion-index-by-laser-doppler-imaging-after-digital-revascularization
#9
Y-Y Chu, D-Y Yu, C-W Chang, F Fang, H-T Liao
: We have used laser Doppler imaging to monitor the microcirculation of replanted digits during the post-operative period in 103 patients who underwent either replantation after traumatic amputation or toe-to-finger reconstruction. The blood flow (perfusion unit) in each revascularized digit was compared with that of an unaffected digit. The perfusion index was defined as the perfusion value of a revascularized digit divided by the perfusion value of the neighbouring normal digit. The ideal threshold value of the perfusion index (0...
December 1, 2016: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/27913801/the-pressure-reduction-coefficient-a-new-parameter-to-assess-aneurysmal-blood-stasis-induced-by-flow-diverters-disruptors
#10
Gregory Gascou, Riccardo Ferrara, Dominique Ambard, Mathieu Sanchez, Kyriakos Lobotesis, Franck Jourdan, Vincent Costalat
BACKGROUND AND PURPOSE: Pore density (PD), surface metal coverage (SMC) and the number of wires are all different parameters which can influence the efficacy of a flow disruptor/diverter. Nevertheless, the relative importance of a parameter to induce intra-aneurysmal blood stasis is still poorly evaluated. Therefore, comparison between devices based on a unique value is not reliable. The aim of this study was to propose a new bench top parameter (the pressure reduction coefficient (PRC; ξ)) in order to assess the global haemodynamic effect of each flow diverter/disruptor to slow flow...
December 2, 2016: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27913608/the-clinical-utility-of-circulating-neuroendocrine-gene-transcript-analysis-in-well-differentiated-paragangliomas-and-pheochromocytomas
#11
M Pęczkowska, J Cwikla, M Kidd, A Lewczuk, A Kolasinska-Ćwikła, D Niec, I Michałowska, A Prejbisz, A Januszewicz, J Chiarelli, L Bodei, I Modlin
CONTEXT: Paragangliomas and pheochromocytomas (PPGLs) exhibit variable malignancy, which is difficult to determine by histopathology, amine measurements or tissue genetic analyses. OBJECTIVE: To evaluate whether a 51-neuroendocrine gene blood analysis has clinical utility as a diagnostic and prognostic marker. DESIGN: Prospective cohort study. Well-differentiated PPGLs (n = 32), metastatic (n = 4); SDHx mutation (n = 25); 12 biochemically active, Lanreotide treated (n = 4)...
February 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27913606/acute-administration-of-acyl-but-not-desacyl-ghrelin-decreases-blood-pressure-in-healthy-humans
#12
Cecilia J Zhang, Martin Bidlingmaier, Mekibib Altaye, Laura C Page, David D'Alessio, Matthias H Tschöp, Jenny Tong
OBJECTIVE: To compare the effects of acyl ghrelin (AG) and desacyl ghrelin (DAG) on blood pressure (BP), heart rate (HR) and other autonomic parameters in healthy humans and to elucidate the hormonal mechanisms through which AG could exert its cardiovascular effects. DESIGN: Seventeen healthy participants underwent frequent monitoring of systolic (sBP) and diastolic blood pressure (dBP), HR, respiratory rate (RR) and body surface temperature (Temp) during continuous infusion of AG, DAG, combined AG + DAG or saline control before and during an IV glucose tolerance test on 4 separate days...
February 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/27913560/cohort-profile-the-diabetes-tuberculosis-treatment-outcome-ditto-study-in-pakistan
#13
Fatima Mukhtar, Zahid A Butt
PURPOSE: Pakistan is faced with an increasing prevalence of diabetes in addition to its existing high burden of tuberculosis (TB). Diabetes has a detrimental effect on treatment outcomes of patients with TB, which may hinder achieving the goals of the End-TB strategy by 2030. We conducted a prospective cohort study to determine difference between treatment outcomes among patients with diabetes and new pulmonary tuberculosis (PTB) and patients without diabetes and new PTB. This would help generate contextual and valid scientific evidence from a developing country like Pakistan with its unique interplay of sociocultural, economic and health system factors to inform policy and practice...
December 2, 2016: BMJ Open
https://www.readbyqxmd.com/read/27913548/warm-antibody-autoimmune-hemolytic-anemia
#14
Theodosia A Kalfa
Autoimmune hemolytic anemia (AIHA) is a rare and heterogeneous disease that affects 1 to 3/100 000 patients per year. AIHA caused by warm autoantibodies (w-AIHA), ie, antibodies that react with their antigens on the red blood cell optimally at 37°C, is the most common type, comprising ∼70% to 80% of all adult cases and ∼50% of pediatric cases. About half of the w-AIHA cases are called primary because no specific etiology can be found, whereas the rest are secondary to other recognizable underlying disorders...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913473/first-line-therapy-for-young-patients-with-cll
#15
Nitin Jain, Susan O'Brien
A 61-year-old man with a history of chronic lymphocytic leukemia (CLL) presents with complaints of worsening fatigue and night sweats. He was diagnosed with CLL 3 years ago on routine blood count testing. He has no major medical comorbidities. On examination, he has several 2- to 3-cm lymph nodes in the cervical and axillary area. Spleen is palpable 5 cm below the costal margin. Blood counts show lymphocytosis with thrombocytopenia and anemia. Prognostic markers include deletion 13q by fluorescence in situ hybridization analysis and mutated IGHV You are asked by the hematology fellow you are supervising about the best treatment of this patient...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913455/inherited-thrombophilia-a-double-edged-sword
#16
Saskia Middeldorp
Inherited thrombophilia is a blood coagulation disorder that increases the risk for venous thromboembolism (VTE). During the last decades, the practice of testing has evolved from testing selected populations, leading to high perceived risks, to broad testing for various conditions that included VTE, arterial thrombosis, and pregnancy complications. Because results of such tests usually do not guide treatment decisions, not testing patients with VTE for inherited thrombophilia is on the "Choosing Wisely" list endorsed by multiple specialty societies, including ASH...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913338/intracardiac-vortex-dynamics-by-high-frame-rate-doppler-vortography-i-in-vivo-i-comparison-with-vector-flow-mapping-and-4-d-flow-mri
#17
Julia Faurie, Mathilde Baudet, Kondo Claude Assi, Dominique Auger, Guillaume Gilbert, Francois Tournoux, Damien Garcia
Recent studies have suggested that intracardiac vortex flow imaging could be of clinical interest to early diagnose the diastolic heart function. Doppler vortography has been intro-duced as a simple color Doppler method to detect and quantify intraventricular vortices. This method is able to locate a vortex core based on the recognition of an antisymmetric pattern in the Doppler velocity field. Because the heart is a fast-moving organ, high frame rates are needed to decipher the whole blood vortex dynamics during diastole...
November 29, 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/27913326/delay-and-standard-deviation-beamforming-to-enhance-specular-reflections-in-ultrasound-imaging
#18
Raja Sekhar Bandaru, Anders Rasmus Sornes, Jeroen Hermans, Eigil Samset, Jan D'hooge
Although interventional devices, such as needles, guide wires, and catheters, are best visualized by X-ray, real-time volumetric echography could offer an attractive alternative as it avoids ionizing radiation; it provides good soft tissue contrast, and it is mobile and relatively cheap. Unfortunately, as echography is traditionally used to image soft tissue and blood flow, the appearance of interventional devices in conventional ultrasound images remains relatively poor, which is a major obstacle toward ultrasound-guided interventions...
December 2016: IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
https://www.readbyqxmd.com/read/27913070/basagran-%C3%A2-induces-developmental-malformations-and-changes-the-bacterial-community-of-zebrafish-embryos
#19
Jacinta M M Oliveira, Victor Galhano, Isabel Henriques, Amadeu M V M Soares, Susana Loureiro
This study aimed to assess the effects of Basagran(®) on zebrafish (Danio rerio) embryos. The embryos were exposed to Basagran(®) at concentrations ranging from 120.0 to 480.6 mg/L, and the effects on embryo development (up to 96 h) and bacterial communities of 96 h-larvae were assessed. The embryo development response was time-dependent and concentration-dependent (106.35 < EC50 < 421.58 mg/L). The sensitivity of embryo-related endpoints decreased as follows: blood clotting in the head and/or around the yolk sac > delay or anomaly in yolk sac absorption > change in swimming equilibrium > development of pericardial and/or yolk sac oedema > scoliosis...
November 29, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/27913032/intervention-studies-of-inhaled-corticosteroids-combined-with-long-acting-theophylline-or-long-acting-%C3%AE-2-agonists-in-patients-with-moderate-to-severe-asthma-a-randomized-controlled-study
#20
Yan Wang, Ping Chen, Anna Dai, Shengyun Shang, Lingfei Kong
PURPOSE: To evaluate and contrast the therapeutic effect and safety of fluticasone aerosol combined with theophylline tablets in patients with moderate to severe asthma, compared with salmeterol/fluticasone propionate aerosol. METHODS: After a screening period, patients meeting the inclusion criteria were randomly assigned to the experiment group (fluticasone aerosol combined with theophylline tablets) or the control group (salmeterol/fluticasone aerosol combined with placebo tablets) for 12 weeks of treatment...
November 29, 2016: Clinical Therapeutics
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