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Journal articles on the topic 'MVPI'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Karnell, Michael P., Kara Schultz, and John Canady. "Investigations of a Pressure-Sensitive Theory of Marginal Velopharyngeal Inadequacy." Cleft Palate-Craniofacial Journal 38, no. 4 (2001): 346–57. http://dx.doi.org/10.1597/1545-1569_2001_038_0346_ioapst_2.0.co_2.

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Purpose: This two-part project was designed to test a pressure-sensitive theory of marginal velopharyngeal inadequacy (MPVI). Specifically, are select subgroups of children with MPVI perceived as hypernasal because they fail to achieve consistent closure during vowels and semivowels while demonstrating adequate closure during pressure consonants? Methods: In part one, 36 children with cleft palate and other craniofacial anomalies were examined using a clinical assessment protocol that included nasometry and perceived ratings of hypernasal resonance. Children with nasalance percentages above th

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Sayeed, Sameera, Lucretia Reaves, Lyndsay Radnedge, and Stuart Austin. "The Stability Region of the Large Virulence Plasmid ofShigella flexneri Encodes an Efficient Postsegregational Killing System." Journal of Bacteriology 182, no. 9 (2000): 2416–21. http://dx.doi.org/10.1128/jb.182.9.2416-2421.2000.

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ABSTRACT The large virulence plasmid pMYSH6000 of Shigella flexneri contains a determinant that is highly effective in stabilizing otherwise unstable plasmids in Escherichia coli. Expression of two small contiguous genes, mvpAand mvpT (formerly termed STBORF1 and STBORF2), was shown to be sufficient for stability. Mutations in mvpT abolished plasmid stability, and plasmids expressing only mvpT killed the cells unless mvpA was supplied from a separate plasmid or from the host chromosome. When replication of a plasmid carrying the minimal mvp region was blocked, growth of the culture stopped aft

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Leiva Crispi, Benjamín. "¿Apropiación privada de renta de recursos naturales? El caso del cobre en Chile." El Trimestre Económico 83, no. 332 (2016): 549. http://dx.doi.org/10.20430/ete.v83i332.233.

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Los aumentos de precio de un recurso natural pueden generar renta, cuyo valor debiese ser recuperado por el Estado para minimizar ineficiencias en la economía, evitar discriminaciones arbitrarias entre ciudadanos y mantener una trayectoria sostenible. Como tema de estudio sobre apropiación privada de renta de recursos naturales, este artículo explora el caso del cobre en Chile desde 1990, analizando empíricamente si las principales mineras privadas han recuperado en valor presente más que su inversión. Los resultados del ejercicio, aplicable a otros recursos naturales, indican que algunas mine

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Huang, Y., and G. G. Carmichael. "A suboptimal 5' splice site is a cis-acting determinant of nuclear export of polyomavirus late mRNAs." Molecular and Cellular Biology 16, no. 11 (1996): 6046–54. http://dx.doi.org/10.1128/mcb.16.11.6046.

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Mouse polyomavirus has been used as a model system to study nucleocytoplasmic transport of mRNA. Three late mRNAs encoding the viral capsid proteins are generated by alternative splicing from common pre-mRNA molecules. mRNAs encoding the virion protein VP2 (mVP2) harbor an unused 5' splice site, and more than half of them remain fully unspliced yet are able to enter the cytoplasm for translation. Examination of the intracellular distribution of late viral mRNAs revealed, however, that mVP2 molecules are exported less efficiently than are mVP1 and mVP3, in which the 5' splice site has been remo

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Bălan, Mădălina, Silvia Marin, Andreea Mitan, Florina Pînzaru, Elena-Mădălina Vătămănescu, and Alexandra Zbuchea. "Leaders in focus: generational differences from a personality-centric perspective." Management & Marketing. Challenges for the Knowledge Society 14, no. 4 (2019): 372–85. http://dx.doi.org/10.2478/mmcks-2019-0026.

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Abstract The generational differences among leaders have progressively captured the attention of both researchers and practitioners interested in their dynamics within the work environment. Many analyses in this respect have been focused on the differences between Millennials (Generation Y) and Generation X members from a personality-centric perspective, the great majority of the examinations revolving around Western research samples. By acknowledging the current state and assuming the calls for further investigations advanced by various researchers, this conceptual and empirical undertaking a

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Mansi Deshwal, Manju Nagpal, Gitika Arora Dhingra, and Geeta Aggarwal. "An updated review on Materiovigilance for safe use of medical devices." International Journal of Drug Regulatory Affairs 8, no. 4 (2020): 5–13. http://dx.doi.org/10.22270/ijdra.v8i4.428.

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In the last two decades, there has been an upsurge in the volume of medical devices and thereby increasing medical device-related adverse events. So, materiovigilance is an essential system for identifying, collecting, reporting and analysing adverse events related to medical devices. The Vigilance programme for the medical device was initiated in many countries many years ago but, is a quite new concept for India. The Materiovigilance programme in India was launched on July 6 2015, at the Indian Pharmacopoeial Commission (IPC) with the objective of monitoring adverse events, thereby reducing

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Hoda, Farazul, Rishabh Verma, Mawrah Arshad, et al. "Materiovigilance: Concept, Structure and Emerging Perspective for Patient’s Safety in India." Drug Research 70, no. 09 (2020): 429–36. http://dx.doi.org/10.1055/a-1195-1945.

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AbstractThere has been an escalation in the number, diversity, and complexity of medical devices. Regulation of these devices has also advanced due to the requirement of better regulatory perspective induced due to elevation in the number of adverse events associated with medical devices. All over the globe, various measures are undertaken to provide better safety to the patients along with attempts to improve the standard of medical devices. The initial and ultimate objective of the concept happens to be unfailingly to ensure patient safety as well as impart required guidance for both manufac

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Thyagarajan, Anita, Sayali Kadam, Langni Liu, et al. "Gemcitabine Induces Microvesicle Particle Release in a Platelet-Activating Factor-Receptor-Dependent Manner via Modulation of the MAPK Pathway in Pancreatic Cancer Cells." International Journal of Molecular Sciences 20, no. 1 (2018): 32. http://dx.doi.org/10.3390/ijms20010032.

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Studies, including ours, have shown that pro-oxidative stressors, such as chemotherapeutic agents, generate oxidized lipids with agonistic platelet-activating factor (PAF) activity. Importantly, recent reports have implicated that these PAF-agonists are transported extracellularly via microvesicle particles (MVPs). While the role of PAF-receptor (PAF-R) has been implicated in mediating chemotherapy effects, its significance in chemotherapy-mediated MVP release in pancreatic cancer has not been studied. The current studies determined the functional significance of PAF-R in gemcitabine chemother

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RUSU COLDEA, Teodora Emilia, Carmen SOCACIU, Maria PARV, and Dan VODNAR. "Gas-Chromatographic Analysis of Major Volatile Compounds Found in Traditional Fruit Brandies from Transylvania, Romania." Notulae Botanicae Horti Agrobotanici Cluj-Napoca 39, no. 2 (2011): 109. http://dx.doi.org/10.15835/nbha3926053.

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In the current study, the major volatile compounds from three categories of traditional fruit brandies (plum, apple and pear) were characterized by gas-chromatography (GC-FID). There were collected 26 samples from different locations of Transylvania (Romania), all made by traditional technologies involving fermentation in barrels and distillation in copper stills. The major volatile compounds, besides ethanol, identified and quantified were: acetaldehyde, ethyl acetate, methanol, 1-propanol, 2-butanol, iso-butylic alcohol, alcool amyl active, iso-amylic alcohol, 1-butanol and furfural. For eac

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Bäumer, Sebastian, Sabine Lentes, Gerhard Gottschalk, and Uwe Deppenmeier. "Identification and analysis of proton-translocating pyrophosphatases in the methanogenic archaeonMethanosarcina mazei." Archaea 1, no. 1 (2002): 1–7. http://dx.doi.org/10.1155/2002/371325.

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Analysis of genome sequence data from the methanogenic archaeonMethanosarcina mazeiGö1 revealed the existence of two open reading frames encoding proton-translocating pyrophosphatases (PPases). These open reading frames are linked by a 750-bp intergenic region containing TC-rich stretches and are transcribed in opposite directions. The corresponding polypeptides are referred to as Mvp1 and Mvp2 and consist of 671 and 676 amino acids, respectively. Both enzymes represent extremely hydrophobic, integral membrane proteins with 15 predicted transmembrane segments and an overall amino acid sequence

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Ermakov, Simon, Radhika Gulhar, Lisa Lim, et al. "Left ventricular mechanical dispersion predicts arrhythmic risk in mitral valve prolapse." Heart 105, no. 14 (2019): 1063–69. http://dx.doi.org/10.1136/heartjnl-2018-314269.

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ObjectiveBileaflet mitral valve prolapse (MVP) with either focal or diffuse myocardial fibrosis has been linked to ventricular arrhythmia and/or sudden cardiac arrest. Left ventricular (LV) mechanical dispersion by speckle-tracking echocardiography (STE) is a measure of heterogeneity of ventricular contraction previously associated with myocardial fibrosis. The aim of this study is to determine whether mechanical dispersion can identify MVP at higher arrhythmic risk.MethodsWe identified 32 consecutive arrhythmic MVPs (A-MVP) with a history of complex ventricular ectopy on Holter/event monitor

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Raper, Daniel M. S., Thomas J. Buell, Ching-Jen Chen, Dale Ding, Robert M. Starke, and Kenneth C. Liu. "Intracranial venous pressures under conscious sedation and general anesthesia." Journal of NeuroInterventional Surgery 9, no. 10 (2017): 986–89. http://dx.doi.org/10.1136/neurintsurg-2017-012984.

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IntroductionVenous outflow obstruction has been implicated in the pathophysiology of a subset of patients with idiopathic intracranial hypertension (IIH), and venous sinus stenting (VSS) has emerged as an effective treatment. However, the effect of anesthesia on venous sinus pressure measurements is unpredictable. A more thorough understanding of the effect of the level of anesthesia on intracranial venous pressures might help to better define patients who might benefit most from stent placement.ObjectiveTo compare, in a retrospective cohort study, intracranial venous pressures measured under

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Yamashita, Shinji, Hideo Takeshima, Kiyotaka Saito, Takashi Watanabe, Hajime Ohta, and Kiyotaka Yokogami. "LGG-54. DETECTION OF THE KIAA1549-BRAF FUSION GENE IN CELLS FORMING MICROVASCULAR PROLIFERATIONS IN PILOCYTIC ASTROCYTOMA." Neuro-Oncology 22, Supplement_3 (2020): iii376—iii377. http://dx.doi.org/10.1093/neuonc/noaa222.432.

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Abstract Microvascular proliferation (MVP), an aberrant vascular structure is a histopathological hallmark of glioblastoma multiforme (GBM). Although MVP tends to be associated with high-grade glioma, it has also been detected in WHO grade I pilocytic astrocytoma (PA). However, little is known about the mechanism underlying its formation. Using TP53 point mutations as a marker for tumor-derived cells, we earlier reported that MVP was partially converted from tumor cells via mesenchymal transition. In the current study we used the KIAA1549-BRAF fusion gene as a marker to assess whether MVPs in

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Winkel, Doan, Justin Wilcox, and Atul Teckchandani. "The 60-Minute MVP." Entrepreneurship Education and Pedagogy 3, no. 4 (2019): 371–86. http://dx.doi.org/10.1177/2515127419870293.

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The 60-minute minimum viable product (MVP) exercise teaches critical aspects of the entrepreneurial mind-set and lean start-up methodology, namely, the iterative process of hypothesis testing through the creation of MVPs. In 60 minutes, with no prior technical expertise, students will work in teams to design a landing page, create a teaser video, and set up a way to gather information from prospective customers. The resulting low-fidelity MVP can subsequently be shared with prospective customers to gauge interest and be used as a starting point for the hypothesis testing process used in the le

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Guo, Tao, Jia-Ming Qian, Ai-Ming Yang, Yue Li, and Wei-Xun Zhou. "Narrow-Band Imaging Colonoscopy to Assess Mucosal Angiogenesis in Ulcerative Colitis." Gastroenterology Research and Practice 2019 (February 24, 2019): 1–7. http://dx.doi.org/10.1155/2019/8312624.

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Background and Aim. It has been documented that angiogenesis is a largely unstudied component of the pathogenesis of ulcerative colitis (UC). Under narrow-band imaging (NBI) colonoscopy, the mucosal vascular pattern (MVP) can be visualized without the use of dyes. The aim of this study was to assess the grade of mucosal angiogenesis based on the MVP in UC. Methods. A total of 119 colorectal segments taken from 42 patients with UC were observed using NBI colonoscopy. The MVP was classified as follows: clear, obscure, or absent. Quantification of the degree of inflammation was performed using hi

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Lavoie, Jean-Claude, Philippe Chessex, Thérèse Rouleau, Diane Migneault, and Blandine Comte. "Light-Induced Byproducts of Vitamin C in Multivitamin Solutions." Clinical Chemistry 50, no. 1 (2004): 135–40. http://dx.doi.org/10.1373/clinchem.2003.025338.

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Abstract Background: When solutions of multivitamin preparations (MVPs) are exposed to light, H2O2 as well as organic peroxides are generated and the concentration of vitamin C decreases. The aim of this study was to determine, using mass spectrometry, whether the generation of oxidative byproducts of vitamin C, such as dehydroascorbate (DHA) and 2,3-diketogulonic acid (DKG), accounted for the reported decrease in ascorbic acid in MVPs exposed to light. Methods: Mass spectrometry was used to document the formation of byproducts of ascorbic acid in solutions containing a MVP, vitamin C + ribofl

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Sacko, Ryan S. "MC = MVPA." Journal of Physical Education, Recreation & Dance 91, no. 4 (2020): 3–4. http://dx.doi.org/10.1080/07303084.2020.1724501.

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Flegg, R. "Computer telephony architectures: MVIP, H-MVIP, and SCbus." IEEE Communications Magazine 34, no. 4 (1996): 60–64. http://dx.doi.org/10.1109/35.489714.

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Barros, S. P., and S. Offenbacher. "Epigenetics: Connecting Environment and Genotype to Phenotype and Disease." Journal of Dental Research 88, no. 5 (2009): 400–408. http://dx.doi.org/10.1177/0022034509335868.

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Genetic information is encoded not only by the linear sequence of DNA, but also by epigenetic modifications of chromatin structure that include DNA methylation and covalent modifications of the proteins that bind DNA. These “epigenetic marks” alter the structure of chromatin to influence gene expression. Methylation occurs naturally on cytosine bases at CpG sequences and is involved in controlling the correct expression of genes. DNA methylation is usually associated with triggering histone deacetylation, chromatin condensation, and gene silencing. Differentially methylated cytosines give rise

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Cantón, Enrique, and Irene Checa. "Medición de variables psicológicas en deportistas de baile deportivo." Universitas Psychologica 11, no. 3 (2012): 930. http://dx.doi.org/10.11144/javeriana.upsy11-3.mvpd.

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El objetivo fundamental del estudio consiste en identificar y evaluar las principales variables psicológicas que están interviniendo en los distintos niveles de rendimiento en la práctica de baile deportivo. Para esto, entre otros, se utilizó el Cuestionario de Características Psicológicas aplicadas al Rendimiento Deportivo (Gimeno, Buceta & Pérez-Llantada, 2001). Se realizó un análisis de varianza, y pese a no alcanzar las diferencias valores estadísticamente significativos en los factores Control del Estrés e Influencia de la Evaluación del Rendimiento, sí se puede señalar la existencia

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Sarli, Leticia, and Nadia Justel. "Moduladores de la ventaja del bilingüismo en la inhibición, atención y tareas de cambio." Pensamiento Psicológico 17, no. 1 (2019): 87–100. http://dx.doi.org/10.11144/javerianacali.ppsi17-1.mvbi.

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Objetivo. Revisar la literatura para identificar si existen diferencias en el desempeño ejecutivo de la atención, inhibición y tareas de cambio entre personas bilingües y monolingües. Método. Se realizó una búsqueda bibliográfica utilizando las palabras clave: bilingüismo, funciones ejecutivas y atención; 36 artículos cumplieron los criterios de inclusión. Estos se dividieron en tres grupos, según la edad de las muestras estudiadas: en niños, adultos jóvenes y adultos mayores. Resultados. Los factores principales que modelaron los resultados comportamentales fueron la edad de adquisición y el

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Boychenko, Inna. "THE INFLUENCE OF MENTORING ON THE PROFESSIONAL SELF-IDENTITY FORMATION OF A PSYCHOLOGIST." Problems of Psychology in the 21st Century 14, no. 2 (2020): 93–101. http://dx.doi.org/10.33225/ppc/20.14.93.

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The purpose of the study was to determine the features of the professional self-identity in future psychologists in terms of educational and professional training. The objectives of the study were: 1) to identify theoretical approaches to the problem of professional identity and self-identity in terms of professional training; 2) to research the features of self-identity in the course of a professional choice by students-psychologists and their educational and professional adaptation. To solve the particular research problem: 1) the features of self-identity in the course of professional choic

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Valero, Greg. "Awards program honors industry MVPs." Metal Finishing 102, no. 12 (2004): 5. http://dx.doi.org/10.1016/s0026-0576(04)84771-8.

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Weaver, Robert G., Aaron Beighle, Heather Erwin, Michelle Whitfield, Michael W. Beets, and James W. Hardin. "Identifying and Quantifying the Unintended Variability in Common Systematic Observation Instruments to Measure Youth Physical Activity." Journal of Physical Activity and Health 15, no. 9 (2018): 651–60. http://dx.doi.org/10.1123/jpah.2017-0375.

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Background: Direct observation protocols may introduce variability in physical activity estimates. Methods: Thirty-five physical education lessons were video recorded and coded using the System for Observing Fitness Instruction Time (SOFIT). A multistep process examined variability in moderate to vigorous physical activity (MVPA%; walking + vigorous/total scans). Initially, per-SOFIT protocol MVPA% (MVPA%SOFIT) estimates were produced for each lesson. Second, true MVPA% (mean MVPA% of all students using all observations, MVPA%true) estimates were calculated. Third, MVPA% (MVPA%perm) was calcul

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Machida, Masaki, Tomoko Takamiya, Noritoshi Fukushima, et al. "Bout Length-Specific Physical Activity and Adherence to Physical Activity Recommendations among Japanese Adults." International Journal of Environmental Research and Public Health 16, no. 11 (2019): 1991. http://dx.doi.org/10.3390/ijerph16111991.

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We aimed to clarify the patterns of moderate to vigorous physical activity (MVPA) in the Japanese adult population, and the proportion of people meeting the recommendations of the Physical Activity Guidelines (PAG) for Americans, second edition (2nd PAG; ≥150 min/week of total MVPA including bouts of any length) and those meeting the previously recommended PAG (2008-PAG; of ≥150 min/week of total MVPA lasting 10 min or longer [long-bout MVPA]). A total of 204 adults (aged 18 to 64 years) from two workplaces were asked to wear an accelerometer. MVPA was classified by bout length, and the propor

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Xu, Y., P. W. Burton, and G. A. Tselentis. "Regional seismic hazard for Revithoussa, Greece: an earthquake early warning Shield and selection of alert signals." Natural Hazards and Earth System Sciences 3, no. 6 (2003): 757–76. http://dx.doi.org/10.5194/nhess-3-757-2003.

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Abstract. The feasibility of an earthquake early warning Shield in Greece is being explored as a European demonstration project. This will be the first early warning system in Europe. The island of Revithoussa is a liquid natural gas storage facility near Athens from which a pipeline runs to a gas distribution centre in Athens. The Shield is being centred on these facilities. The purpose here is to analyze seismicity and seismic hazard in relation to the Shield centre and the remote sensor sites in the Shield network, eventually to help characterize the hazard levels, seismic signals and groun

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Englund, Markus, Mikko Heikkinen, and Lisa Sundström. "Involving Collection Staff in the DINA Software Development – An Agile Approach." Biodiversity Information Science and Standards 2 (May 18, 2018): e25580. http://dx.doi.org/10.3897/biss.2.25580.

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In order to ensure long-term commitment to the DINA project (“DIgital information system for NAtural history data”, https://dina-project.net), it is essential to continuously deliver features of high value to the user community. This is also what agile software development methods try to achieve by emphasizing early delivery, rapid response to changes and close collaboration with users (see for example the Manifesto for Agile Software Development at http://agilemanifesto.org). We will give a brief overview on how current development of the DINA collection management system core is guided by ag

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Taverne, Janice. "MVI and GlaxoSmithKline." Trends in Parasitology 17, no. 6 (2001): 263. http://dx.doi.org/10.1016/s1471-4922(01)01999-7.

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Strom, Carolyn. "Designating the MVP." Reading Teacher 68, no. 2 (2014): 108–12. http://dx.doi.org/10.1002/trtr.1287.

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Amin, Sarah A., Paula J. Duquesnay, Catherine M. Wright, Kenneth Chui, Christina D. Economos, and Jennifer M. Sacheck. "The Association Between Perceived Athletic Competence and Physical Activity: Implications for Low-Income Schoolchildren." Pediatric Exercise Science 30, no. 3 (2018): 433–40. http://dx.doi.org/10.1123/pes.2017-0242.

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Purpose: Socioeconomic status (SES) may impact children’s physical activity (PA) behaviors and confidence to participate in PA. We examined how SES modifies the relationship between children’s perceived athletic competence (PAC) and moderate to vigorous PA (MVPA). Methods: Children (N = 1157; 45% male; grades 3–4) were recruited for the Fueling Learning through Exercise study. Free/reduced price lunch eligibility was used as an indicator of SES. Seven-day accelerometry (ActiGraph GT3X+) was used to measure daily MVPA, out-of-school MVPA (O-MVPA), and school-time MVPA. PAC was assessed using th

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Oppenheimer, Stephen. "Editorial Comment: Is MVP an MVP in Ischemic Cerebral Events?" Stroke 34, no. 6 (2003): 1345. http://dx.doi.org/10.1161/01.str.0000075773.79199.9a.

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Saint-Maurice, Pedro F., David Berrigan, Geoffrey P. Whitfield, et al. "Amount, Type, and Timing of Domain-Specific Moderate to Vigorous Physical Activity Among US Adults." Journal of Physical Activity and Health 18, S1 (2021): S114—S122. http://dx.doi.org/10.1123/jpah.2021-0174.

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Background: Surveillance of domain-specific physical activity in the United States is lacking. Thus, the authors describe domain-specific moderate to vigorous physical activity (MVPA) in a nationwide sample of US adults. Methods: Participants from the AmeriSpeak panel (n = 2649; 20–75 y; 50% female) completed the Activities Completed Over Time in 24-Hours previous-day recall. The authors estimated average MVPA duration (in hours per day) overall and in major life domains by sex, age, race/ethnicity, and education. They also described the most commonly reported MVPAs and timing of MVPA during t

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Dempsey, Jill M., Jay C. Kimiecik, and Thelma S. Horn. "Parental Influence on Children’s Moderate to Vigorous Physical Activity Participation: An Expectancy-Value Approach." Pediatric Exercise Science 5, no. 2 (1993): 151–67. http://dx.doi.org/10.1123/pes.5.2.151.

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This investigation examined parental influence on children’s moderate to vigorous physical activity (MVPA) participation via an expectancy-value model that included parents’ behavior, parents’ beliefs about their children’s MVPA, and children’s beliefs about their MVPA. The influence of parents on their children’s MVPA was investigated via questionnaires tapping the belief systems of fourth- and fifth-grade children (n=71) and their parents (n=69). Self-reported MVPA was assessed for parents and children. Correlational analyses demonstrated a number of significant relationships between parents

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Camhi, Sarah M., Susan B. Sisson, William D. Johnson, Peter T. Katzmarzyk, and Catrine Tudor-Locke. "Accelerometer-Determined Lifestyle Activities in U.S. Adults." Journal of Physical Activity and Health 8, no. 3 (2011): 382–89. http://dx.doi.org/10.1123/jpah.8.3.382.

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Background:Objective physical activity data analyses focus on moderate-to-vigorous physical activity (MVPA) without considering lower intensity lifestyle-type activities (LA). We describe 1) quantity of LA (minutes and steps per day) across demographic groups, 2) proportion of LA to total physical activity, and 3) relationships between LA and MVPA using NHANES 2005−2006 accelerometer adult data (n = 3744).Methods:LA was defined as 760 to 2019 counts per minute (cpm) and MVPA as ≥2020 cpm. LA was compared within gender, ethnicity, age, and BMI groups. Regression analyses examined independent ef

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Miller, Jonathan, Mark Pereira, Julian Wolfson, Melissa Laska, Toben Nelson, and Dianne Neumark-Sztainer. "Developmental Trends and Determinants of Physical Activity From Adolescence to Adulthood Differ by Ethnicity/Race and Sex." Journal of Physical Activity and Health 15, no. 5 (2018): 345–54. http://dx.doi.org/10.1123/jpah.2017-0287.

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Background: Interventions to raise population physical activity generally show modest effects; one possible reason is that trends and determinants of moderate to vigorous physical activity (MVPA) differ between population subgroups. This study examined differences in trends and determinants of reported MVPA by ethnicity/race and sex in a 15-year longitudinal study. Methods: Participants (n = 2092) in the Project Eating and Activity in Teens and Young Adults study were surveyed on MVPA behavior and potential determinants from adolescence to young adulthood. Generalized estimating equations were

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Lijuan, Wang, Sun Jiancui, and Zhao Suzhe. "Parental influence on the physical activity of Chinese children." European Physical Education Review 23, no. 1 (2016): 110–26. http://dx.doi.org/10.1177/1356336x16641024.

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This study aimed to examine the association among parental moderate-to-vigorous physical activity (MVPA), parental support, and the MVPA of children by gender. Participants comprised of 172 boys and 151 girls aged seven to 11 years old from three primary schools in Shanghai. Their parents were also included as research respondents. Accelerometers were utilized to measure MVPA duration among the children. Questionnaires that focused on parental support and MVPA were completed by the parents. Results indicated that only 4% of the children met the recommended MVPA duration of 60 minutes per day b

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Kim, Ji, Young Hyun, Kyu-Beck Lee, et al. "Moderate–Vigorous Physical Activity and Clinical Outcomes in Adults with Nondialysis Chronic Kidney Disease." Journal of Clinical Medicine 10, no. 15 (2021): 3365. http://dx.doi.org/10.3390/jcm10153365.

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The health benefits of physical activity (PA) are well known. However, the association between an adequate amount of moderate–vigorous PA (MVPA) and clinical outcomes has limited evidence in chronic kidney disease (CKD). We assessed PA using a self-administered questionnaire. The amount of MVPA was categorized into four groups: none, low, moderate, and high (0, <7.5, 7.5–14.9, and 15.0–29.9 metabolic equivalent-hours/week, respectively). We analyzed the association between the amount of MVPA and clinical outcomes. Among a total of 1909 adults with CKD, adults with MVPA showed various benefi

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Beets, Michael William, Charles F. Morgan, Jorge A. Banda, et al. "Convergent Validity of Pedometer and Accelerometer Estimates of Moderate-to-Vigorous Physical Activity of Youth." Journal of Physical Activity and Health 8, s2 (2011): S295—S305. http://dx.doi.org/10.1123/jpah.8.s2.s295.

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Background:Pedometer step-frequency thresholds (120 steps·min-1, SPM) corresponding to moderate-to-vigorous intensity physical activity (MVPA) have been proposed for youth. Pedometers now have internal mechanisms to record time spent at or above a user-specified SPM. If pedometers provide comparable MVPA (P-MVPA) estimates to those from accelerometry, this would have broad application for research and the general public. The purpose of this study was to examine the convergent validity of P-MVPA to accelerometer-MVPA for youth.Methods:Youth (N = 149, average 8.6 years, range 5 to 14 years, 60 g

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Robson, Jordan, and Ian Janssen. "Intensity of bouted and sporadic physical activity and the metabolic syndrome in adults." PeerJ 3 (November 26, 2015): e1437. http://dx.doi.org/10.7717/peerj.1437.

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Background.Physical activity guidelines for adults only recognize the health benefits of accumulating bouted moderate-to-vigorous physical activity (MVPA), or MVPA occurring over at least 10 consecutive minutes. There is a lack of evidence supporting the health benefits of other patterns and intensities of activity including sporadic MVPA (i.e., MVPA occurring in periods of fewer than 10 consecutive minutes) and light intensity physical activity (LIPA). The objective of this study was to examine the health benefits associated with physical activity that does not meet the physical activity guid

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Tanaka, Chiaki, Masayuki Okuda, Maki Tanaka, Shigeru Inoue, and Shigeho Tanaka. "Associations of Physical Activity and Sedentary Time in Primary School Children with Their Parental Behaviors and Supports." International Journal of Environmental Research and Public Health 15, no. 9 (2018): 1995. http://dx.doi.org/10.3390/ijerph15091995.

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Background: The associations of objectively evaluated moderate-to-vigorous physical activity (MVPA) and sedentary time between primary school children and their fathers or mothers have not been fully understood. Therefore, we tested the associations in children. Methods: The participants were first to sixth grade boys (n = 166, 9.4 ± 1.6 years) and girls (n = 202, 9.4 ± 1.6 years) and their parents (fathers, n = 123 and mothers, n = 321). MVPA and sedentary time were measured using triaxial accelerometry. The relationship between parental support which was assessed by self-reported questionnai

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Herrmann, Christine, Elaheh Golkaramnay, Elisabeth Inman, Leonard Rome, and Walter Volknandt. "Recombinant Major Vault Protein Is Targeted to Neuritic Tips of PC12 Cells." Journal of Cell Biology 144, no. 6 (1999): 1163–72. http://dx.doi.org/10.1083/jcb.144.6.1163.

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The major vault protein (MVP) is the predominant constituent of ubiquitous, evolutionarily conserved large cytoplasmic ribonucleoprotein particles of unknown function. Vaults are multimeric protein complexes with several copies of an untranslated RNA. Double labeling employing laser-assisted confocal microscopy and indirect immunofluorescence demonstrates partial colocalization of vaults with cytoskeletal elements in Chinese hamster ovary (CHO) and nerve growth factor (NGF)-treated neuronlike PC12 cells. Transfection of CHO and PC12 cells with a cDNA encoding the rat major vault protein contai

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Borgundvaag, Emily, Michael McIsaac, Michael M. Borghese, and Ian Janssen. "Imputing Accelerometer Nonwear Time When Assessing Moderate to Vigorous Physical Activity in Children." Journal of Physical Activity and Health 14, no. 11 (2017): 852–60. http://dx.doi.org/10.1123/jpah.2016-0706.

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Background: A limitation of accelerometer measures of moderate to vigorous physical activity (MVPA) is nonwear time. Nonwear-time data is typically deleted prior to estimating MVPA. In this study, we used an approach that used sociodemographic, health, and time data to guide the imputation of nonwear-time data. We determined whether imputing nonwear-time data influences estimates of MVPA and the association between MVPA, body mass index, and blood pressure. Methods: Seven days of accelerometer data were collected on 332 children aged 10–13 years. MVPA was estimated in a “nonimputed dataset,” w

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Price, Lisa, Katrina Wyatt, Jenny Lloyd, et al. "Are We Overestimating Physical Activity Prevalence in Children?" Journal of Physical Activity and Health 15, no. 12 (2018): 941–45. http://dx.doi.org/10.1123/jpah.2018-0030.

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Background: Physical activity guidelines state that children should achieve at least 60 minutes of moderate to vigorous physical activity (MVPA) on each day of the week. Accurate assessment of adherence to these guidelines should, ideally, include measurement over 7 days. When less than 7 days of data are available, researchers often report the average minutes of MVPA per day as a proxy for 7-day measurement. The aim of this study was to compare prevalence estimates generated by average MVPA per day versus MVPA assessed over 7 days. Methods: Data were collected as part of the Healthy Lifestyle

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Gbadamosi, Abolanle R., Alexandra M. Clarke-Cornwell, Paul A. Sindall, and Malcolm H. Granat. "The Contribution of Commuting to Total Daily Moderate-to-Vigorous Physical Activity." Journal for the Measurement of Physical Behaviour 3, no. 3 (2020): 189–96. http://dx.doi.org/10.1123/jmpb.2019-0027.

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Background: Actively commuting to and from work can increase moderate-to-vigorous physical activity (MVPA) and increase adherence to physical activity (PA) guidelines; however, there is a lack of evidence on the contribution of mixed-mode commutes and continuous stepping bouts to PA. Many commuting studies employ the use of self-reported PA measures. This study objectively determined the contribution of MVPA during commuting to total MVPA, using cadence to define MVPA, and explored how the length of stepping bouts affects adherence to PA guidelines. Methods: Twenty-seven university staff wore

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Arigo, Danielle, Paul Rohde, Heather Shaw, and Eric Stice. "Psychosocial Predictors of Physical Activity Change Among College Students in an Obesity Prevention Trial." Journal of Physical Activity and Health 14, no. 7 (2017): 513–19. http://dx.doi.org/10.1123/jpah.2016-0515.

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Background:Moderate-to-vigorous physical activity (MVPA) is critical for maintaining a healthy weight, although little is known about psychological barriers to maintaining MVPA in at-risk groups. Identifying characteristics associated with poor MVPA maintenance in obesity prevention programs could improve participant outcomes.Methods:Toward this end, we examined predictors of MVPA in an obesity prevention trial for college students at risk for weight gain (n = 333; 72% female, mean BMI = 23.4 kg/m2). Participants engaged in 1 of 3 weight control interventions and in 4 assessments over 12-month

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Silva-Santos, Sandra, Amanda Santos, Clarice Martins, et al. "Associations Between Motor Competence, Moderate-to-Vigorous Physical Activity, and Body Mass Index Among Preschoolers Over 1 Year." Journal of Physical Activity and Health 18, no. 7 (2021): 832–37. http://dx.doi.org/10.1123/jpah.2020-0356.

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Background: To examine the associations between motor competence (MC), moderate to vigorous physical activity (MVPA), and body mass index (BMI) changes over 1 year in preschoolers. Methods: Fifty-four preschoolers (24 girls; 42.4%) aged 4–5 years old from the metropolitan area of Porto, Portugal comprised the sample. Height, body mass, and BMI were calculated. MC was assessed according to the Movement Assessment Battery for Children-2. MVPA was measured by accelerometry. For each participant, changes in MVPA, MC, and BMI over a year were computed. Different levels of MC were calculated; and th

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Santaliestra-Pasías, Alba M., Jaime E. Llamas Dios, Ole Sprengeler, et al. "Food and beverage intakes according to physical activity levels in European children: the IDEFICS (Identification and prevention of Dietary and lifestyle induced health EFfects In Children and infantS) study." Public Health Nutrition 21, no. 9 (2018): 1717–25. http://dx.doi.org/10.1017/s1368980018000046.

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AbstractObjectivePhysical activity (PA) levels and dietary habits are considered some of the most important factors associated with obesity. The present study aimed to examine the association between PA level and food and beverage consumption in European children (2–10 years old).Design/Setting/SubjectsA sample of 7229 children (49·0 % girls) from eight European countries participating in the IDEFICS (Identification and prevention of Dietary and lifestyle induced health EFfects In Children and infantS) study was included. Moderate-to-vigorous PA (MVPA) was assessed objectively with acceleromet

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Kambic, Tim, Nejc Šarabon, Vedran Hadžić, and Mitja Lainscak. "Objectively Measured Physical Activity in Patients with Coronary Artery Disease: A Cross-Validation Study." Biosensors 11, no. 9 (2021): 318. http://dx.doi.org/10.3390/bios11090318.

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Physical activity (PA) and sedentary behavior (SB) levels in healthy adults are predominately based on self-reporting measures, which generally overestimate PA but underestimate SB. Patients with coronary artery disease (CAD) eligible for cardiac rehabilitation (CR) follow an individualized program; thus, objective assessment of physical performance and regular daily activity is required. This study aimed to compare self-reported and objectively measured PA and SB in patients with CAD prior to out-patient CR. We included 91 patients with CAD and assessed their PA with an accelerometer for 8 da

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Huberty, Jennifer L., Michael W. Beets, Aaron Beighle, and Greg Welk. "Environmental Modifications to Increase Physical Activity During Recess: Preliminary Findings from Ready for Recess." Journal of Physical Activity and Health 8, s2 (2011): S249—S256. http://dx.doi.org/10.1123/jpah.8.s2.s249.

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Background:The purpose of this study was to determine the effectiveness of Ready for Recess: an elementary school recess intervention targeting staff training (ST) and providing recreational equipment (EQ).Methods:Ready for Recess had 4 intervention schools: 1) EQ+ST, 2) EQ, 3) ST, and 4) control. Moderate-to-vigorous physical activity (MVPA) was assessed with accelerometers at the four schools in 257 3rd- to 6th-grade children. Random intercept models for overweight/obese (OWOB) and healthy weight (HW) for boys and girls separately, examined change in percentage of time spent in MVPA during r

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Liu, Mingli, Jie Zhang, Kimberly E. Kamper-DeMarco, Elwin Hu, and Shuqiao Yao. "Associations of moderate-to-vigorous physical activity with psychological problems and suicidality in Chinese high school students: a cross-sectional study." PeerJ 8 (March 25, 2020): e8775. http://dx.doi.org/10.7717/peerj.8775.

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Background The body of literature regarding the associations between physical activity and psychological problems lacks consensus. Moreover, the role of gender has been scarcely investigated. The present study sought to fill the gap in the data by examining the associations, if any, between moderate-to-vigorous physical activity (MVPA), psychological problems, and self-harm behaviors based on different biological genders (male–female). Methods A self-administered questionnaire was used to measure MVPA and multiple psychological problems, including depression and anxiety; general emotion, behav

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