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https://www.readbyqxmd.com/read/29145086/active-learning-for-classifying-data-streams-with-unknown-number-of-classes
#1
Saad Mohamad, Moamar Sayed-Mouchaweh, Abdelhamid Bouchachia
The classification of data streams is an interesting but also a challenging problem. A data stream may grow infinitely making it impractical for storage prior to processing and classification. Due to its dynamic nature, the underlying distribution of the data stream may change over time resulting in the so-called concept drift or the possible emergence and fading of classes, known as concept evolution. In addition, acquiring labels of data samples in a stream is admittedly expensive if not infeasible at all...
October 27, 2017: Neural Networks: the Official Journal of the International Neural Network Society
https://www.readbyqxmd.com/read/29140744/evaluation-of-two-surface-sampling-methods-for-microbiological-and-chemical-analyses-to-assess-the-presence-of-biofilms-in-food-companies
#2
Sharon Maes, Son Nguyen Huu, Marc Heyndrickx, Stephanie van Weyenberg, Hans Steenackers, Alex Verplaetse, Thijs Vackier, Imca Sampers, Katleen Raes, Koen De Reu
Biofilms are an important source of contamination in food companies, yet the composition of biofilms in practice is still mostly unknown. The chemical and microbiological characterization of surface samples taken after cleaning and disinfection is very important to distinguish free-living bacteria from the attached bacteria in biofilms. In this study, sampling methods that are potentially useful for both chemical and microbiological analyses of surface samples were evaluated. In the manufacturing facilities of eight Belgian food companies, surfaces were sampled after cleaning and disinfection using two sampling methods: the scraper-flocked swab method and the sponge stick method...
November 15, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/29140186/acute-effect-of-two-self-myofascial-release-protocols-on-hip-and-ankle-range-of-motion
#3
Amandda de Souza, Cristiano Gomes Sanchotene, Cristiano Moreira da Silva Lopes, Jader Alfredo Beck, Affonso Celso Kulevicz da Silva, Suzana Matheus Pereira, Caroline Ruschel
CONTEXT: Self-myofascial release (SMR) is an intervention popularly used by rehabilitation, fitness, and sports professionals to improve recovery and performance. In SMR, the athlete/patient himself applies pressure to the muscle and fascia, using various tools such as balls, rods, foam rolls and massagers. OBJECTIVE: This study aimed to evaluate the acute effect of two SMR protocols (short- and long-term) of the posterior thigh and calf muscles on hip and ankle range of motion (ROM) in physically active men...
November 15, 2017: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/29137786/sonochemical-synthesis-of-fe3o4-nh2-mesoporous-silica-polypyrrole-pd-a-core-double-shell-nanocomposite-for-catalytic-applications
#4
Youssef Snoussi, Stéphane Bastide, Manef Abderrabba, Mohamed M Chehimi
There is a growing interest in sonochemistry for either the controlled design of nanostructured materials or for the synthesis of polymers and polymer composites. It is fast and highly efficient method that provides materials with exceptional and enhanced structural and chemical properties. Herein, we take advantage of the versatile sonochemical process in order to design core/double layered shell nanocomposite denoted by Fe3O4@NH2-mesoporous silica@ PPy/Pd. This magnetic, multicomponent material was designed in a three-step sono-process: (i) synthesis of magnetic core, (ii) cure of mesoporous silica, and (iii) sonochemical deposition of PPy/Pd...
March 2018: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/29136889/carbon-nanostructured-films-modified-by-metal-nanoparticles-supported-on-filtering-membranes-for-electroanalysis
#5
Erica Paramo, Susana Palmero, Aranzazu Heras, Alvaro Colina
A novel methodology to prepare sensors based on carbon nanostructures electrodes modified by metal nanoparticles is proposed. As a proof of concept, a novel bismuth nanoparticle/carbon nanofiber (Bi-NPs/CNF) electrode and a carbon nanotube (CNT)/gold nanoparticle (Au-NPs) have been developed. Bi-NPs/CNF films were prepared by 1) filtering a dispersion of CNFs on a polytetrafluorethylene (PTFE) filter, and 2) filtering a dispersion of Bi-NPs chemically synthesized through this CNF/PTFE film. Next the electrode is prepared by sticking the Bi-NPs/CNF/PTFE film on a PET substrate...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29136307/using-electromagnetic-articulography-to-measure-denture-micromovement-during-chewing-with-and-without-denture-adhesive
#6
Phyllis Hoke, Mark Tiede, Julie Grender, Malgorzata Klukowska, Jill Peters, Gregory Carr
PURPOSE: To study the effects of denture adhesive upon denture micromovements in three dimensions during the chewing of hard, sticky, and tough food items observed using a novel method involving an electromagnetic articulograph (EMA) speech research system. MATERIALS AND METHODS: Ten volunteers (mean age 60.9 ± 10.4 years) with fair- or poor-fitting complete maxillary dentures were enrolled. Chewing experiments were conducted using two treatments (adhesive or no-adhesive control) and three foods: carrots (hard), raisins (sticky), and processed meat stick (tough)...
November 14, 2017: Journal of Prosthodontics: Official Journal of the American College of Prosthodontists
https://www.readbyqxmd.com/read/29135258/effect-of-substrate-temperature-on-pattern-formation-of-bi-dispersed-particles-from-volatile-drops
#7
Maryam Parsa, Souad Harmand, Khellil Sefiane, Maxence Bigerelle, Raphaël Deltombe
In this study, pattern formation during evaporation of bi-dispersed drops (containing 1 and 3.2 μm particles) placed on a smooth substrate at different temperatures is investigated. Five distinctive deposition patterns are observed depending on the substrate temperature: a relatively uniform pattern enclosed by a disk-shaped ring, a nearly non-uniform pattern inside a thick outer ring, a "dual-ring" pattern, a "rose-like" pattern, and a set of concentric rings corresponding to "stick-slip" pattern. At drops edge, the particle size effect leads to the formation of three rings: an outermost ring formed by the non-volatile additives smaller than 1 μm, a middle ring built by particles with size of 1 μm, and an innermost ring formed by the mixture of 1 and 3...
November 14, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29132876/the-distraction-in-action-tool%C3%A2-feasibility-and-usability-in-clinical-settings
#8
Kirsten Hanrahan, Charmaine Kleiber, Ben J Miller, Heather Davis, Ann Marie McCarthy
PURPOSE: Distraction is a relatively simple, evidence-based intervention to minimize child distress during medical procedures. Timely on-site interventions that instruct parents on distraction coaching are needed. The purpose of this study was to test the feasibility and usability of the Distraction in Action Tool© (DAT©), which 1) predicts child risk for distress with a needle stick and 2) provides individualized instructions for parents on how to be a distraction coach for their child in clinical settings...
November 10, 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/29130575/a-prospective-investigation-to-evaluate-risk-factors-for-lower-extremity-injury-risk-in-male-youth-soccer-players
#9
Paul J Read, Jon L Oliver, Mark B A De Ste Croix, Gregory D Myer, Rhodri S Lloyd
There is an inherent risk of injury in male youth football; however, pertinent risk factors for injury have yet to be examined. This study used a prospective cohort design with 357 elite male youth football players (aged 10-18 years) assessed during the pre-season period and then monitored during the season recording all non-contact lower extremity injuries. Screening tests included: single leg hop for distance (SLHD); 75% of maximum hop and stick (75%Hop); single leg countermovement jump (SLCMJ); and the tuck jump assessment (TJ)...
November 11, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29129032/needlestick-injuries-among-emergency-medical-services-providers-in-urban-and-rural-areas
#10
Riyadh A Alhazmi, R David Parker, Sijin Wen
Through this study, we assessed the knowledge of EMS providers regarding needle stick injuries (NSIs) and examined differences by demographics. This cross-sectional study used a random sample of certified EMS providers in West Virginia. The survey consists of three sections: socio-demographic characteristics, whether or not got NSIs in the past 12 months, whether or not received needle stick training before. A total of 248 out of 522 (47.31%) EMS providers completed the survey. The majority of EMS providers (81...
November 11, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/29128987/comparison-of-olfactory-and-gustatory-disorders-in-alzheimer-s-disease
#11
Minoru Kouzuki, Tetsuya Suzuki, Masaya Nagano, Syouta Nakamura, Yuto Katsumata, Ayumi Takamura, Katsuya Urakami
Patients with Alzheimer's disease (AD) develop olfactory and gustatory disorders. However, the order of failure and relevance of the pathophysiology are unclear. We compared olfactory identification and whole mouth gustation in patients with AD to those with mild cognitive impairment (MCI) and to healthy controls (HC) and assessed correlations with pathophysiology. Patients with AD (n = 40), MCI (n = 34), and HC (n = 40) were recruited. We performed the Odor Stick Identification Test for Japanese (OSIT-J), gustatory test by the intraoral dropping method using taste solutions, Mini-Mental State Examination (MMSE), Alzheimer's Disease Assessment Scale-cognitive subscale Japanese version (ADAS-J cog), Touch Panel-type Dementia Assessment Scale (TDAS), and measurement of amyloid β (Aβ) 42 and phosphorylated tau (p-tau) 181 levels in cerebrospinal fluid (CSF)...
November 11, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/29128261/multi-parametric-rigid-and-flexible-low-cost-disposable-sensing-platforms-for-biomedical-applications
#12
Salzitsa Anastasova, Panagiotis Kassanos, Guang-Zhong Yang
The measurement of Na(+), K(+) and H(+) is essential in medicine and plays an important role in the assessment of tissue ischemia. Microfabrication, inkjet- and screen-printing can be used for solid contact ion selective electrodes (ISE) realization; these, however, can be non-standardized, costly and time consuming processes. We present the realization of ISEs on post-processed electrodes fabricated via standardized printed circuit board (PCB) manufacturing techniques. In vitro results are presented from two rigid platforms (32 ISEs) for liquid sample dip-stick measurements and two flexible platforms (6 and 32 ISEs) for post-surgical intestinal tissue monitoring, each with a common reference electrode (RE)...
October 18, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29127941/improving-anti-adhesion-performance-of-electrosurgical-electrode-assisted-with-ultrasonic-vibration
#13
Guang Yao, Deyuan Zhang, Daxi Geng, Xinggang Jiang
The electrosurgical electrode currently stands out as one of the most commonly used tools in minimally invasive surgery. In order to facilitate tissue cutting and accelerate wound healing, tissue adhesion to the electrosurgical electrode is considered as an extremely urgent problem to be solved. In this paper, a novel ultrasonic vibration assisted (UV-A) electrosurgical electrode is firstly proposed to overcome the problem of tissue sticking. The anti-adhesion effects were evaluated by measuring the adhesion force and the weight of tissue adhesion using the electrosurgical electrode with and without UV-A comparatively...
October 20, 2017: Ultrasonics
https://www.readbyqxmd.com/read/29127281/structural-and-functional-insight-of-sphingosine-1-phosphate-mediated-pathogenic-metabolic-reprogramming-in-sickle-cell-disease
#14
Kaiqi Sun, Angelo D'Alessandro, Mostafa H Ahmed, Yujin Zhang, Anren Song, Tzu-Ping Ko, Travis Nemkov, Julie A Reisz, Hongyu Wu, Morayo Adebiyi, Zhangzhe Peng, Jing Gong, Hong Liu, Aji Huang, Yuan Edward Wen, Alexander Q Wen, Vladimir Berka, Mikhail V Bogdanov, Osheiza Abdulmalik, Leng Han, Ah-Lim Tsai, Modupe Idowu, Harinder S Juneja, Rodney E Kellems, William Dowhan, Kirk C Hansen, Martin K Safo, Yang Xia
Elevated sphingosine 1-phosphate (S1P) is detrimental in Sickle Cell Disease (SCD), but the mechanistic basis remains obscure. Here, we report that increased erythrocyte S1P binds to deoxygenated sickle Hb (deoxyHbS), facilitates deoxyHbS anchoring to the membrane, induces release of membrane-bound glycolytic enzymes and in turn switches glucose flux towards glycolysis relative to the pentose phosphate pathway (PPP). Suppressed PPP causes compromised glutathione homeostasis and increased oxidative stress, while enhanced glycolysis induces production of 2,3-bisphosphoglycerate (2,3-BPG) and thus increases deoxyHbS polymerization, sickling, hemolysis and disease progression...
November 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29125769/is-solute-rotation-in-an-ionic-liquid-influenced-by-the-addition-of-glucose
#15
Rajan Maurya, Sudhanshu Naithani, Dibyendu Bandyopadhyay, Niharendu Choudhury, G Bhaskar Dutt
Fluorescence anisotropy measurements and molecular dynamics simulations (MD) have been performed to understand the specific interactions of two structurally similar nondipolar solutes, 2,5-dimethyl-1,4-dioxo-3,6-diphenylpyrrolo[3,4-c]pyrrole (DMDPP) and 1,4-dioxo-3,6-diphenylpyrrolo[3,4-c]pyrrole (DPP) with neat 1-butyl-3-methylimidazolium dicyanamide ([BMIM][N(CN)2]) and also in the presence of glucose. It has been observed that the measured reorientation times of DMDPP in neat [BMIM][N(CN)2] follow the predictions of Stokes-Einstein-Debye hydrodynamic theory with slip boundary condition...
November 10, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29123085/airway-surface-liquid-ph-is-not-acidic-in-children-with-cystic-fibrosis
#16
André Schultz, Ramaa Puvvadi, Sergey M Borisov, Nicole C Shaw, Ingo Klimant, Luke J Berry, Samuel T Montgomery, Thien Nguyen, Silvia M Kreda, Anthony Kicic, Peter B Noble, Brian Button, Stephen M Stick
Modulation of airway surface liquid (ASL) pH has been proposed as a therapy for cystic fibrosis (CF). However, evidence that ASL pH is reduced in CF is limited and conflicting. The technical challenges associated with measuring ASL pH in vivo have precluded accurate measurements in humans. In order to address this deficiency, ASL pH was measured in vivo in children using a novel luminescent technology integrated with fibre-optic probes. Here we show that ASL pH in children with CF is similar to that of children without CF...
November 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/29122560/a-measuring-stick-for-other-minds-comment-on-seeing-mental-states-an-experimental-strategy-for-measuring-the-observability-of-other-minds-by-cristina-becchio-et-al
#17
Imme Christina Zillekens, Leonhard Schilbach
No abstract text is available yet for this article.
November 3, 2017: Physics of Life Reviews
https://www.readbyqxmd.com/read/29121379/olfactory-dysfunction-in-%C3%AE-thalassemia-major-patients-treated-with-iron-chelating-agents
#18
Serhan Derin, Selvet Erdogan, Murat Sahan, Mehmet Fatih Azik, Hatice Derin, Yasar Topal, Hatice Topal
Ocular and ophthalmologic adverse effects may occur in patients with β-thalassemia major (BTM) treated regularly with blood transfusions and iron-chelating agents. We hypothesized that olfactory dysfunction may be present in this patient population. We aimed to investigate olfactory dysfunction in patients with BTM and to determine etiologic factors. A total of 43 patients with BTM were included in the study. Forty-three subjects without nasal complaints, history of facial trauma, or nasal surgery were included as the controls...
October 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/29120567/use-of-the-vectortest-for-advanced-warning-of-human-west-nile-virus-cases-in-mississippi
#19
Wendy C Varnado, Jerome Goddard
West Nile virus (WNV) continues to persist in Mississippi; 2012 was the worse year for human infections, with a total of 247 reported human cases and five deaths. Public health officials are keenly interested in ways to detect WNV in advance in their jurisdictions, so they can implement appropriate and timely mosquito control in affected areas. A total of 40,312 female Culex quinquefasciatus mosquitoes were collected by gravid traps in Mississippi in 2013 and 2014 and tested by VectorTest, a rapid immunochromatographic assay (“dip-stick” test) that is a highly specific and effective rapid threat assessment tool...
December 2016: Journal of Environmental Health
https://www.readbyqxmd.com/read/29120106/balancing-the-scales-negotiating-father-s-parental-leave-use
#20
Judy Beglaubter
Studying couples who shared parental leave presents the opportunity to explore decision-making processes that may challenge conventional care arrangement typical of early parenthood. Interviews with 33 Canadian heterosexual couples indicate gendered sticking points in the division of official leave time. Whether fathers took leave because of their personal desires or material circumstances, this study finds that men and women did not enter negotiations on a level playing field. Strong cultural support for mothers'-but not fathers'-time with baby tipped the scales toward maternal care giving, even when couples wanted to share parental leave...
November 2017: Canadian Review of Sociology, Revue Canadienne de Sociologie
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