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https://www.readbyqxmd.com/read/28319983/reliability-and-validity-of-ten-consumer-activity-trackers-depend-on-walking-speed
#1
Tryntsje Fokkema, Thea J M Kooiman, Wim P Krijnen, Cees P VAN DER Schans, Martijn DE Groot
PURPOSE: To examine the test-retest reliability and validity of ten activity trackers for step counting at three different walking speeds. METHODS: Thirty-one healthy participants walked twice on a treadmill for 30 min while wearing 10 activity trackers (Polar Loop, Garmin Vivosmart, Fitbit Charge HR, Apple Watch Sport, Pebble Smartwatch, Samsung Gear S, Misfit Flash, Jawbone Up Move, Flyfit, and Moves). Participants walked three walking speeds for 10 min each; slow (3...
April 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28319346/determination-of-oleanolic-acid-in-human-plasma-and-its-association-with-olive-oil-intake-in-healthy-spanish-adults-within-the-epic-spain-cohort-study
#2
Genevieve Buckland, Antoni Pastor, Leila Lujan-Barroso, Carlos Alberto Gonzalez, Noemie Travier, Pilar Amiano, José María Huerta, Antonio Agudo, Carmen Navarro, María Dolores Chirlaque, Maria-José Sánchez, Miguel Rodríguez-Barranco, Aurelio Barricarte, Eva Ardanaz, Miren Dorronsoro, Amaia Molinuevo, José Ramón Quirós, Rafael de la Torre
SCOPE: Oleanolic acid (OA) is an important triterpenic compound found in olive oil, however little is known about its concentrations in human plasma. We aimed to determine plasma OA levels in a healthy Spanish population and compare them with estimates of dietary olive oil intake. METHODS AND RESULTS: The final study sample included 141 individuals randomly selected from the European Prospective Investigation into Cancer and Nutrition Spanish cohort. Dietary olive oil intake was estimated using validated dietary history questionnaires...
February 3, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28317851/mdhir-proteins-repress-anthocyanin-accumulation-by-interacting-with-the-mdjaz2-protein-to-inhibit-its-degradation-in-apples
#3
Ke-Qin Chen, Xian-Yan Zhao, Xiu-Hong An, Yi Tian, Dan-Dan Liu, Chun-Xiang You, Yu-Jin Hao
In higher plants, jasmonate ZIM-domain (JAZ) proteins negatively regulate the biosynthesis of anthocyanins by interacting with bHLH transcription factors. However, it is largely unknown if and how other regulators are involved in this process. In this study, the apple MdJAZ2 protein was characterized in regards to its function in the negative regulation of anthocyanin accumulation and peel coloration. MdJAZ2 was used as a bait to screen a cDNA library using the yeast two-hybrid method. The hypersensitive induced reaction (HIR) proteins, MdHIR2 and MdHIR4, were obtained from this yeast two-hybrid...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28317730/apple-variety-and-maturity-profiling-of-base-ciders-using-uv-spectroscopy
#4
Lachlan Girschik, Joanna E Jones, Fiona L Kerslake, Mark Robertson, Robert G Dambergs, Nigel D Swarts
Varietal base ciders were produced from three varieties of dessert apples ('Pink Lady®', 'Royal Gala' and 'Red Delicious') at pre-commercial, commercial and post-commercial harvest timings. Rapid analytical methods were used to categorise the base ciders, and data analysed using principal component analysis (PCA). The titratable acidity of apple must was significantly higher for the pre-commercial harvest fruit for both the 'Royal Gala' and 'Red Delicious' varieties. The base cider phenolic content was highest in the pre-commercial harvest fruit for all varieties...
August 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28316907/sleep-apps-and-behavioral-constructs-a-content-analysis
#5
Diana S Grigsby-Toussaint, Jong Cheol Shin, Dayanna M Reeves, Ariana Beattie, Evan Auguste, Girardin Jean-Louis
Although sleep apps are among the most popular commercially available health apps, little is known about how well these apps are grounded in behavioral theory. Three-hundred and sixty-nine apps were initially identified using the term "sleep" from the Google play store and Apple iTunes in September 2015. The final sample consisted of 35 apps that met the following inclusion criteria: 1) Stand-alone functionality; 2) Sleep tracker or monitor apps ranked by 100 + users; 3) Sleep Alarm apps ranked by 1000 + users; and 4) English language...
June 2017: Preventive Medicine Reports
https://www.readbyqxmd.com/read/28315015/characterization-of-a-novel-strain-of-botryosphaeria-dothidea-chrysovirus-1-from-the-apple-white-rot-pathogen-botryosphaeria-dothidea
#6
Zheng Ding, Tao Zhou, Li-Yun Guo
A novel strain of Botryosphaeria dothidea chrysovirus 1 was identified. It encodes a shortened RNA-dependent RNA polymerase and an elongated coat protein, and it might cause hypovirulence of the host fungal strain.
March 17, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28314937/phylogenetic-analysis-of-idd-gene-family-and-characterization-of-its-expression-in-response-to-flower-induction-in-malus
#7
Sheng Fan, Dong Zhang, Libo Xing, Siyan Qi, Lisha Du, Haiqin Wu, Hongxia Shao, Youmei Li, Juanjuan Ma, Mingyu Han
Although INDETERMINATE DOMAIN (IDD) genes encoding specific plant transcription factors have important roles in plant growth and development, little is known about apple IDD (MdIDD) genes and their potential functions in the flower induction. In this study, we identified 20 putative IDD genes in apple and named them according to their chromosomal locations. All identified MdIDD genes shared a conserved IDD domain. A phylogenetic analysis separated MdIDDs and other plant IDD genes into four groups. Bioinformatic analysis of chemical characteristics, gene structure, and prediction of protein-protein interactions demonstrated the functional and structural diversity of MdIDD genes...
March 17, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28314820/amyloid-precursor-protein-in-drosophila-glia-regulates-sleep-and-genes-involved-in-glutamate-recycling
#8
Abud Jose Farca Luna, Magali Perier, Laurent Seugnet
The Amyloid Precursor Protein (App) plays a crucial role in Alzheimer disease (AD) via the production and deposition of toxic β-amyloid peptides. App is heavily expressed in neurons where the vast majority of studies investigating its function have been carried out, while almost nothing is known about its function in glia, where it is also expressed, and can potentially participate in the regulation of neuronal physiology. In this report, we investigated whether Appl, the Drosophila homolog of App, could influence sleep-wake regulation when its function is manipulated in glial cells...
March 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28306194/electrospun-biodegradable-microfibers-induce-new-collagen-formation-in-a-rat-abdominal-wall-defect-model-a-possible-treatment-for-pelvic-floor-repair
#9
Cecilie Glindtvad, Menglin Chen, Jens Vinge Nygaard, Lise Wogensen, Axel Forman, Carl Christian Danielsen, Mehmet Berat Taskin, Karl-Erik Andersson, Susanne Maigaard Axelsen
Half of the female population over age 50 years will experience pelvic organ prolapse. We suggest a new approach based on tissue engineering principles to functionally reconstruct the anatomical structures of the pelvic floor. The aim of this study is to investigate the mechanical performance and effect on collagen and elastin production of a degradable mesh releasing basic fibroblast growth factor (bFGF). Implantation of biodegradable mesh with or without bFGF in their core has been conducted in 40 rats in an abdominal wall defect model...
March 17, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28306190/natural-polymeric-hydrogel-evaluation-for-skeletal-muscle-tissue-engineering
#10
Beth E Pollot, Christopher R Rathbone, Joseph C Wenke, Teja Guda
Although skeletal muscle has a remarkable ability to repair/regenerate after most types of injuries, there is limited regeneration after volumetric muscle loss (VML). A number of scaffold materials have been used in the development of grafts to treat VML, however, there is still a need to better understand the most appropriate material with regards to its ability to maintain mechanical integrity while also supporting myogenesis. Five commonly used natural polymeric materials (Collagen I, Agarose, Alginate, Fibrin, and Collagen Chitosan) used in skeletal muscle tissue engineering grafts were evaluated for their mechanical properties and myogenic capacity...
March 17, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28306184/physical-and-biological-properties-of-a-novel-anti-adhesion-material-made-of-thermally-cross-linked-gelatin-film-investigation-of-the-usefulness-as-anti-adhesion-material
#11
Tsunehito Horii, Hiroyuki Tsujimoto, Hiroe Miyamoto, Koki Yamanaka, Shota Tanaka, Hiroko Torii, Yuki Ozamoto, Hideki Takamori, Eiji Nakamachi, Yoshito Ikada, Akeo Hagiwara
To create more useful, effective and safer anti-adhesion materials, we developed a thermally cross-linked gelatin film. In this study, we examined the physical properties of the film such as the physical strength and the adhesiveness to reveal the handling properties and biological properties, such as the anti-adhesion effect, the influence on cell proliferation, and the cytotoxicity to reveal the anti-adhesion mechanism, especially in comparison with the conventional hyaluronic acid and carboxymethylcellulose film (the conventional film)...
March 17, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28303193/biodiversity-in-agricultural-landscapes-the-effect-of-apple-cultivar-on-epiphyte-diversity
#12
C Robin Stevenson, Chantel Davies, Jennifer K Rowntree
In natural systems, extended phenotypes of trees can be important in determining the species composition and diversity of associated communities. Orchards are productive systems where trees dominate, and can be highly biodiverse, but few studies have considered the importance of tree genetic background in promoting associated biodiversity. We tested the effect of apple cultivar (plant genetic background) on the diversity and composition of the associated epiphytic bryophyte community across a total of seven cultivars in five productive East Anglian orchards where each orchard contained two cultivars...
February 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28302596/estimating-accuracy-at-exercise-intensities-a-comparative-study-of-self-monitoring-heart-rate-and-physical-activity-wearable-devices
#13
Erin E Dooley, Natalie M Golaszewski, John B Bartholomew
BACKGROUND: Physical activity tracking wearable devices have emerged as an increasingly popular method for consumers to assess their daily activity and calories expended. However, whether these wearable devices are valid at different levels of exercise intensity is unknown. OBJECTIVE: The objective of this study was to examine heart rate (HR) and energy expenditure (EE) validity of 3 popular wrist-worn activity monitors at different exercise intensities. METHODS: A total of 62 participants (females: 58%, 36/62; nonwhite: 47% [13/62 Hispanic, 8/62 Asian, 7/62 black/ African American, 1/62 other]) wore the Apple Watch, Fitbit Charge HR, and Garmin Forerunner 225...
March 16, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28300955/prototype-app-for-voice-therapy-a-peer-review
#14
Paula Lavaissiéri, Paulo Eduardo Damasceno Melo
Purpose: Voice speech therapy promotes changes in patients' voice-related habits and rehabilitation. Speech-language therapists use a host of materials ranging from pictures to electronic resources and computer tools as aids in this process. Mobile technology is attractive, interactive and a nearly constant feature in the daily routine of a large part of the population and has a growing application in healthcare. To develop a prototype application for voice therapy, submit it to peer assessment, and to improve the initial prototype based on these assessments...
March 9, 2017: CoDAS
https://www.readbyqxmd.com/read/28297010/computerized-clinical-decision-support-systems-for-prevention-of-venous-thromboembolism-why-can-t-my-electronic-health-record-be-more-like-netflix-amazon-google-and-apple
#15
https://www.readbyqxmd.com/read/28296588/a-healthy-balance-of-plasma-cholesterol-by-a-novel-annurca-apple-based-nutraceutical-formulation-results-of-a-randomized-trial
#16
Gian Carlo Tenore, Domenico Caruso, Giuseppe Buonomo, Maria D'Avino, Pietro Campiglia, Luciana Marinelli, Ettore Novellino
Cardiovascular diseases are nowadays preferential targets of preventive medicine through a straightforward therapy on lipid profile. However, statins, the first-line lipid-lowering drug therapy, specifically act on low-density lipoprotein cholesterol (LDL-C), having a modest effect on plasma high-density lipoprotein cholesterol (HDL-C) concentrations. Today, a number of novel HDL-targeted therapies are emerging, along with unexpected side effects. Thus, novel and possibly safe substances, able to correct impaired lipid profile in humans, are still in great demand...
March 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28296198/mechanical-and-microstructural-analysis-of-a-radially-expandable-vascular-conduit-for-neonatal-and-pediatric-cardiovascular-surgery
#17
Abigail E Loneker, Samuel K Luketich, Doug Bernstein, Arush Kalra, Alan W Nugent, Antonio D'Amore, Denver M Faulk
In pediatric cardiovascular surgery, there is a significant need for vascular prostheses that have the potential to grow with the patient following implantation. Current clinical options consist of nonexpanding conduits, requiring repeat surgeries as the patient outgrows the device. To address this issue, PECA Labs has developed a novel ePTFE vascular conduit with the capability of being radially expanded via balloon catheterization. In the described study, a systematic characterization and comparison of two proprietary ePTFE expandable conduits was conducted...
March 10, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28291597/diel-rhythms-in-the-volatile-emission-of-apple-and-grape-foliage
#18
Valentino Giacomuzzi, Luca Cappellin, Iuliia Khomenko, Franco Biasioli, Alan L Knight, Sergio Angeli
This study investigated the diel emission of volatile organic compounds (VOCs) from intact apple (Malus x domestica Borkh., cv. Golden Delicious) and grape (Vitis vinifera L., cv. Pinot Noir) foliage. Volatiles were monitored continuously for 48 h by proton transfer reaction - time of flight - mass spectrometry (PTR-ToF-MS). In addition, volatiles were collected by closed-loop-stripping-analysis (CLSA) and characterized by gas chromatography-mass spectrometry (GC-MS) after 1 h and again 24 and 48 h later...
March 11, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28290292/novel-edible-oil-sources-microwave-heating-and-chemical-properties
#19
Seyed Mohammad Bagher Hashemi, Amin Mousavi Khaneghah, Mohamed Koubaa, Jaime Lopez-Cervantes, Seyed Hossein Asadi Yousefabad, Seyedeh Fatemeh Hosseini, Masoumeh Karimi, Azam Motazedian, Samira Asadifard
The aim of this work was to investigate the effect of various microwave heating times (1, 3, 5, 10, and 15min) on the chemical properties of novel edible oil sources, including Mashhadi melon (Cucumis melo var. Iranians cv. Mashhadi), Iranian watermelon (Citrullus lanatus cv. Fire Fon), pumpkin (Cucurbita pepo subsp. pepo var. Styriaca), and yellow apple (Malus domestica cv. Golden Delicious) seed oils. The evaluated parameters were peroxide value (PV), conjugated diene (CD) and triene (CT) values, carbonyl value (CV), p-anisidine value (AnV), oil stability index (OSI), radical scavenging activity (RSA), total tocopherols, total phenolics, as well as chlorophyll and carotenoid contents...
February 2017: Food Research International
https://www.readbyqxmd.com/read/28289550/blood-clot-detection-using-magnetic-nanoparticles
#20
Hafsa Khurshid, Bruce Friedman, Brent Berwin, Yipeng Shi, Dylan B Ness, John B Weaver
Deep vein thrombosis, the development of blood clots in the peripheral veins, is a very serious, life threatening condition that is prevalent in the elderly. To deliver proper treatment that enhances the survival rate, it is very important to detect thrombi early and at the point of care. We explored the ability of magnetic particle spectroscopy (MSB) to detect thrombus via specific binding of aptamer functionalized magnetic nanoparticles with the blood clot. MSB uses the harmonics produced by nanoparticles in an alternating magnetic field to measure the rotational freedom and, therefore, the bound state of the nanoparticles...
May 2017: AIP Advances
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