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https://www.readbyqxmd.com/read/28821059/characterization-of-alkali-treated-and-untreated-new-cellulosic-fiber-from-saharan-aloe-vera-cactus-leaves
#1
Balaji A N, Nagarajan K J
The aim of this study is to examine the use of new natural fibers, which are extracted from the Saharan aloe vera cactus plant leaves as reinforcement in polymer composites. The physicochemical, mechanical and thermal properties of the Saharan Aloe Vera Cactus Leaves (SACL) fibers are investigated, through the effect of alkali treatment. The contents of α-cellulose, hemicellulose, wax and moisture present in SACL fibers were characterized by standard test methods The mechanical properties of SACL fibers were measured through single fiber tensile test...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28821019/stimulus-characteristics-of-single-word-tests-of-children-s-speech-sound-production
#2
Toby Macrae
Purpose: This clinical focus article provides readers with a description of the stimulus characteristics of 12 popular tests of speech sound production. Method: Using significance testing and descriptive analyses, stimulus items were compared in terms of the number of opportunities for production of all consonant singletons, clusters, and rhotic and nonrhotic vowels of Standard American English; phonetic/phonological and structural complexity; and the presence of bound morphemes...
August 18, 2017: Language, Speech, and Hearing Services in Schools
https://www.readbyqxmd.com/read/28820994/relative-bioavailability-and-bioaccessibility-of-pcbs-in-soils-based-on-a-mouse-model-and-tenax-improved-physiologically-based-extraction-test
#3
Chao Li, Ruirui Zhang, Yunzi Li, Shujun Zhang, Peng Gao, Xinyi Cui, Lena Q Ma
In this study, bioavailability of polychlorinated biphenyls (PCBs) in soil samples aged for various time intervals (7 days, 1 and 5 months) was assessed by in vivo tests using mice. The in vivo bioavailability of PCBs in soil ranged from 45% (PCB180 in soil aging for 5 month) to 119% (PCB52 in soil aging for 1 month), indicating that not all PCBs was available for absorption after ingestion of soil samples. The bioaccessibility was assessed using both physiologically-based extraction test (PBET) and Tenax improved PBET (TI-PBET)...
August 8, 2017: Chemosphere
https://www.readbyqxmd.com/read/28820883/spatial-clustering-of-patent-and-sub-patent-malaria-infections-in-northern-namibia-implications-for-surveillance-and-response-strategies-for-elimination
#4
Jennifer L Smith, Joyce Auala, Munyaradzi Tambo, Erastus Haindongo, Stark Katokele, Petrina Uusiku, Roly Gosling, Immo Kleinschmidt, Davis Mumbengegwi, Hugh J W Sturrock
BACKGROUND: Reactive case detection (RACD) around passively detected malaria cases is a strategy to identify and treat hotspots of malaria transmission. This study investigated the unproven assumption on which this approach is based, that in low transmission settings, infections cluster over small scales. METHODS: A prospective case-control study was conducted between January 2013 and August 2014 in Ohangwena and Omusati regions in north central Namibia. Patients attending health facilities who tested positive by malaria rapid diagnostic test (RDT) (index cases) were traced back to their home...
2017: PloS One
https://www.readbyqxmd.com/read/28820882/correlation-between-mosquito-larval-density-and-their-habitat-physicochemical-characteristics-in-mazandaran-province-northern-iran
#5
Seyed Hassan Nikookar, Mahmoud Fazeli-Dinan, Shahyad Azari-Hamidian, Seyed Nouraddin Mousavinasab, Mohsen Aarabi, Seyyed Payman Ziapour, Yahya Esfandyari, Ahmadali Enayati
Characteristics of mosquito larval habitats are important in determining whether they can survive and successfully complete their developmental stages. Therefore, data on the ecological factors affecting mosquito density and abundance especially the physicochemical properties of water of their breeding sites, can possibly be helpful in implementing larval management programs. Mosquito larvae were collected using a standard 350 ml dipper from fixed habitats including: artificial pool, river edge, creek and etc, in 30 villages of 16 counties from May-December 2014...
August 18, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28820729/head-phantoms-for-electroencephalography-and-transcranial-electric-stimulation-a-skull-material-study
#6
Alexander Hunold, Daniel Strohmeier, Patrique Fiedler, Jens Haueisen
Physical head phantoms allow the assessment of source reconstruction procedures in electroencephalography and electrical stimulation profiles during transcranial electric stimulation. Volume conduction in the head is strongly influenced by the skull, which represents the main conductivity barrier. Realistic modeling of its characteristics is thus important for phantom development. In the present study, we proposed plastic clay as a material for modeling the skull in phantoms. We analyzed five clay types varying in granularity and fractions of fire clay, each with firing temperatures from 550°C to 950°C...
August 18, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28820710/accuracy-of-a-rapid-diagnostic-test-cypress-chagas-quick-test-%C3%A2-for-the-diagnosis-of-chronic-chagas-disease-in-a-nonendemic-area-a-retrospective-longitudinal-study
#7
Andrea Angheben, Silvia Staffolani, Mariella Anselmi, Stefano Tais, Monica Degani, Federico Gobbi, Dora Buonfrate, Maria Gobbo, Zeno Bisoffi
We analyzed the accuracy of Chagas Quick Test(®), a rapid diagnostic test, for the diagnosis of chronic Chagas disease through a retrospective study on a cohort of 669 patients consecutively examined at a single reference center in Italy, during a 7-year period. We observed high concordance with serological reference standard but low accuracy for screening purposes (sensitivity/specificity: 82.8%/98.7%) at least in our nonendemic context.
August 14, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820687/identification-of-subsets-of-enteroaggregative-escherichia-coli-associated-with-diarrheal-disease-among-under-5-year-old-children-from-rural-gambia
#8
Usman N Ikumapayi, Nadia Boisen, Mohammad J Hossain, Modupeh Betts, Modou Lamin, Debasish Saha, Brenda Kwambana-Adams, Michel Dione, Richard A Adegbola, Anna Roca, James P Nataro, Martin Antonio
Enteroaggregative Escherichia coli (EAEC) cause acute and persistent diarrhea, mostly in children worldwide. Outbreaks of diarrhea caused by EAEC have been described, including a large outbreak caused by a Shiga toxin expressing strain. This study investigated the association of EAEC virulence factors with diarrhea in children less than 5 years. We characterized 428 EAEC strains isolated from stool samples obtained from moderate-to-severe diarrhea cases (157) and healthy controls (217) children aged 0-59 months recruited over 3 years as part of the Global Enteric Multicenter Study (GEMS) in The Gambia...
August 7, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820681/efficacy-safety-and-cost-effectiveness-of-thermotherapy-in-the-treatment-of-leishmania-donovani-induced-cutaneous-leishmaniasis-a-randomized-controlled-clinical-trial
#9
Wardha F Refai, Nayani P Madarasingha, Buthsiri Sumanasena, Sudath Weerasingha, Amala De Silva, Rohini Fernandopulle, Abhay R Satoskar, Nadira D Karunaweera
Leishmania donovani causes cutaneous leishmaniasis (CL) in Sri Lanka. Standard treatment is multiple, painful doses of intralesional sodium stibogluconate (IL-SSG). Treatment failures are increasingly reported, hence the need to investigate alternatives. Efficacy, safety, and cost-effectiveness of thermotherapy were assessed for the first time for L. donovani CL. A single blinded noninferiority randomized controlled trial was conducted on new laboratory-confirmed CL patients with single lesions (N = 213). Selected patients were randomly assigned to 1) test group (N = 98; single session of radiofrequency-induced heat therapy (RFHT) given at 50°C for 30 seconds) and 2) control group (N = 115; 1-3 mL IL-SSG given weekly, until cure/10 doses)...
August 14, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28820525/the-content-validity-of-a-chemotherapy-induced-peripheral-neuropathy-patient-reported-outcome-measure
#10
Ellen M Lavoie Smith, Rylie Haupt, James P Kelly, Deborah Lee, Grace Kanzawa-Lee, Robert Knoerl, Celia Bridges, Paola Alberti, Nusara Prasertsri, Clare Donohoe
PURPOSE/OBJECTIVES: To test the content validity of a 16-item version of the European Organisation for Research and Treatment of Cancer (EORTC) Quality of Life Questionnaire-Chemotherapy-Induced Peripheral Neuropathy (QLQ-CIPN20). 
. RESEARCH APPROACH: Cross-sectional, prospective, qualitative design. 
. SETTING: Six outpatient oncology clinics within the University of Michigan Health System's comprehensive cancer center in Ann Arbor. 
...
September 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28820396/the-role-of-mtor-inhibitors-and-hmg-coa-reductase-inhibitors-on-young-and-old-endothelial-cell-functions-critical-for-re-endothelialisation-after-percutaneous-coronary-intervention-an-in-vitro-study
#11
K Korybalska, E Kawka, A Breborowicz, J Witowski
Percutaneous coronary intervention (PCI) has become a standard treatment in patients with acute coronary syndrome. However, it is associated with endothelial cell denudation, which may predispose to in-stent thrombosis and restenosis. Pharmacological methods which prevent restenosis can delay post-PCI re-endothelialisation. We have therefore examined how atorvastatin (HMG-CoA reductase inhibitor), sirolimus and everolimus (mTOR inhibitors) affect young and old endothelial cell functions which are responsible for wound healing after PCI...
June 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28820051/bisthiourea-derivatives-of-dipeptide-conjugated-benzo-d-isoxazole-as-a-new-class-of-therapeutics-synthesis-and-molecular-docking-studies
#12
H K Kumara, D M Suyoga Vardhan, J Shiva Kumar, D Channe Gowda
We have synthesized a series of bisthiourea derivatives of dipeptides (Lys/lys-Asp and Lys/lys-Trp) conjugated benzo[d]isoxazole and the structures of synthesized compounds were confirmed by correlating their physical and spectroscopic data with earlier data. The molecules 1-24 were examined for their in vitro anti-inflammatory activity by employing human erythrocyte suspension test and it was found that the IC50 values of 9, 12, 21 and 24 were lower than the IC50 of standard references indomethacin and ibuprofen...
August 16, 2017: Anti-inflammatory & Anti-allergy Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28819699/cudc-907-a-dual-hdac-and-pi3k-inhibitor-reverses-platinum-drug-resistance
#13
Kenneth K W To, Li-Wu Fu
Platinum (Pt)-based anticancer drugs are the mainstay of treatment for solid cancers. However, resistance to Pt drugs develops rapidly, which can be caused by overexpression of multidrug resistance transporters and activation of DNA repair. CUDC-907 is a potent molecular targeted anticancer agent, rationally designed to simultaneously inhibit histone deacetylase (HDAC) and phosphatidylinositol 3-kinase (PI3K). We investigated the potentiation effect of CUDC-907 on Pt drugs in resistant cancer cells. ABCC2 stably-transfected HEK293 cells and two pairs of parental and Pt-resistant cancer cell lines were used to test for the circumvention of resistance by CUDC-907...
August 17, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28819505/use-of-validated-community-based-trachoma-trichiasis-tt-case-finders-to-measure-the-total-backlog-and-detect-when-elimination-threshold-is-achieved-a-tt-methodology-paper
#14
Jefitha Karimurio, Hillary Rono, Doris Njomo, John Sironka, Catherine Kareko, Michael Gichangi, Ernest Barasa, Alice Mwangi, Kefa Ronald, Francis Kiio
INTRODUCTION: The World Health Organization recommends TT surveys to be conducted in adults aged 15+ years (TT 15 survey) and certifies elimination of TT as a public health problem when there is less than 1 unknown case per 1,000 people of all ages. There is no standard survey method to accurately confirm this elimination prevalence threshold of 0.1% because rare conditions require large and expensive prevalence survey samples. The aim of this study was to develop an accurate operational research method to measure the total backlog of TT in people of all ages and detect when the elimination threshold is achieved...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819470/causes-of-death-and-factors-associated-with-early-mortality-of-hiv-infected-adults-admitted-to-korle-bu-teaching-hospital
#15
Adriana Saavedra, Nia Campinha-Bacote, Maurice Hajjar, Ernest Kenu, Fizza Syeda Gillani, Adjoa Obo-Akwa, Margaret Lartey, Awewura Kwara
INTRODUCTION: This study sought to identify common causes of death as well as the factors associated with the high inpatient mortality rate of HIV-infected patients at the Korle-Bu Teaching Hospital (KBTH). METHODS: The retrospective study reviewed the medical records of 547 HIV-infected adults aged 18 years or older admitted to the KBTH between the months of January 2012 and October 2013. Using standardized abstraction forms, clinical and demographic data of eligible patients was collected...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819441/vsv-based-virotherapy-in-ovarian-cancer-the-past-the-present-and-%C3%A2-future
#16
REVIEW
Beata Urszula Orzechowska, Marcin Jędryka, Katarzyna Zwolińska, Rafał Matkowski
The standard approach to treating patients with advanced epithelial ovarian cancer (EOC) after primary debulking surgery remains taxane and platinum-based chemotherapy. Despite treatment with this strategy, the vast majority of patients relapse and develop drug-resistant metastatic disease that may be driven by cancer stem cells (CSCs) or cancer initiating cells (CICs). Oncolytic viruses circumvent typical drug-resistance mechanisms, therefore they may provide a safe and effective alternative treatment for chemotherapy-resistant CSCs/CICs...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819385/a-randomized-open-label-safety-and-exploratory-efficacy-study-of-kanglaite-injection-klti-plus-gemcitabine-versus-gemcitabine-in-patients-with-advanced-pancreatic-cancer
#17
Lee S Schwartzberg, Francis P Arena, Bryan J Bienvenu, Edward H Kaplan, Luis H Camacho, Luis T Campos, J Paul Waymack, Mary A Tagliaferri, Michael M Chen, Dapeng Li
Background: This study was designed to assess the safety and preliminary efficacy of KLTi plus gemcitabine in patients with locally advanced or metastatic pancreatic cancer. Methods: In a randomized, open-label study, patients with locally advanced or metastatic pancreatic cancer were randomized 2:1 to receive KLTi plus gemcitabine or gemcitabine monotherapy. Three sequential cohorts were tested at 30 g/day, 50 g/day, and 30 g/day. Gemcitabine was administered at 1000 mg/m(2) on days 1, 8 and 15 of each 28 day cycle...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819144/predicting-hair-cortisol-levels-with-hair-pigmentation-genes-a-possible-hair-pigmentation-bias
#18
Alexander Neumann, Gerard Noppe, Fan Liu, Manfred Kayser, Frank C Verhulst, Vincent W V Jaddoe, Elisabeth F C van Rossum, Henning Tiemeier
Cortisol concentrations in hair are used to create hormone profiles spanning months. This method allows assessment of chronic cortisol exposure, but might be biased by hair pigmentation: dark hair was previously related to higher concentrations. It is unclear whether this association arises from local effects, such as increased hormone extractability, or whether the association represents systemic differences arising from population stratification. We tested the hypothesis that hair pigmentation gene variants are associated with varying cortisol levels independent of genetic ancestry...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819142/development-and-inter-laboratory-assessment-of-droplet-digital-pcr-assays-for-multiplex-quantification-of-15-genetically-modified-soybean-lines
#19
Alexandra Bogožalec Košir, Bjørn Spilsberg, Arne Holst-Jensen, Jana Žel, David Dobnik
Quantification of genetically modified organisms (GMOs) in food and feed products is often required for their labelling or for tolerance thresholds. Standard-curve-based simplex quantitative polymerase chain reaction (qPCR) is the prevailing technology, which is often combined with screening analysis. With the rapidly growing number of GMOs on the world market, qPCR analysis becomes laborious and expensive. Innovative cost-effective approaches are therefore urgently needed. Here, we report the development and inter-laboratory assessment of multiplex assays to quantify GMO soybean using droplet digital PCR (ddPCR)...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819056/effects-of-sublethal-doses-of-thiacloprid-and-its-formulation-calypso-%C3%A2-on-the-learning-and-memory-performance-of-honey-bees
#20
Léa Tison, Sophie Holtz, Amy Adeoye, Önder Kalkan, Nina S Irmisch, Randolf Menzel
Learning and memory play a central role in behavior and communication of foraging bees. We already showed that chronic uptake of the neonicotinoid thiacloprid affects the behavior of honey bees in the field. Foraging behavior, homing success, navigation performance, and social communication were impaired. Thiacloprid collected at a feeding site at low doses accumulates in foragers over time. Here we applied a laboratory standard procedure, the proboscis extension response (PER) conditioning, in order to assess which processes, acquisition, memory consolidation and/or memory retrieval were compromised after bees were fed either with thiacloprid or the formulation of thiacloprid named Calypso(®) at 3 different sublethal doses...
August 17, 2017: Journal of Experimental Biology
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