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https://www.readbyqxmd.com/read/28335517/state-of-the-art-on-functional-virgin-olive-oils-enriched-with-bioactive-compounds-and-their-properties
#1
REVIEW
Patricia Reboredo-Rodríguez, María Figueiredo-González, Carmen González-Barreiro, Jesús Simal-Gándara, María Desamparados Salvador, Beatriz Cancho-Grande, Giuseppe Fregapane
Virgin olive oil, the main fat of the Mediterranean diet, is per se considered as a functional food-as stated by the European Food Safety Authority (EFSA)-due to its content in healthy compounds. The daily intake of endogenous bioactive phenolics from virgin olive oil is variable due to the influence of multiple agronomic and technological factors. Thus, a good strategy to ensure an optimal intake of polyphenols through habitual diet would be to produce enriched virgin olive oil with well-known bioactive polyphenols...
March 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335516/marine-diterpenes-molecular-modeling-of-thrombin-inhibitors-with-potential-biotechnological-application-as-an-antithrombotic
#2
Rebeca Cristina Costa Pereira, André Luiz Lourenço, Luciana Terra, Paula Alvarez Abreu, Valéria Laneuville Teixeira, Helena Carla Castro
Thrombosis related diseases are among the main causes of death and incapacity in the world. Despite the existence of antithrombotic agents available for therapy, they still present adverse effects like hemorrhagic risks which justify the search for new options. Recently, pachydictyol A, isopachydictyol A, and dichotomanol, three diterpenes isolated from Brazilian marine brown alga Dictyota menstrualis were identified as potent antithrombotic molecules through inhibition of thrombin, a key enzyme of coagulation cascade and a platelet agonist...
March 20, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28335509/novel-diagnostic-and-predictive-biomarkers-in-pancreatic-adenocarcinoma
#3
REVIEW
John C Chang, Madappa Kundranda
Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal disease for a multitude of reasons including very late diagnosis. This in part is due to the lack of understanding of the biological behavior of PDAC and the ineffective screening for this disease. Significant efforts have been dedicated to finding the appropriate serum and imaging biomarkers to help early detection and predict response to treatment of PDAC. Carbohydrate antigen 19-9 (CA 19-9) has been the most validated serum marker and has the highest positive predictive value as a stand-alone marker...
March 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28335502/catechins-and-their-therapeutic-benefits-to-inflammatory-bowel-disease
#4
REVIEW
Fei-Yan Fan, Li-Xuan Sang, Min Jiang
Catechins are natural polyphenolic phytochemicals that exist in food and medicinal plants, such as tea, legume and rubiaceae. An increasing number of studies have associated the intake of catechins-rich foods with the prevention and treatment of chronic diseases in humans, such as inflammatory bowel disease (IBD). Some studies have demonstrated that catechins could significantly inhibit the excessive oxidative stress through direct or indirect antioxidant effects and promote the activation of the antioxidative substances such as glutathione peroxidases (GPO) and glutathione (GSH), reducing the oxidative damages to the colon...
March 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28335492/novel-approach-for-the-recognition-and-prediction-of-multi-function-radar-behaviours-based-on-predictive-state-representations
#5
Jian Ou, Yongguang Chen, Feng Zhao, Jin Liu, Shunping Xiao
The extensive applications of multi-function radars (MFRs) have presented a great challenge to the technologies of radar countermeasures (RCMs) and electronic intelligence (ELINT). The recently proposed cognitive electronic warfare (CEW) provides a good solution, whose crux is to perceive present and future MFR behaviours, including the operating modes, waveform parameters, scheduling schemes, etc. Due to the variety and complexity of MFR waveforms, the existing approaches have the drawbacks of inefficiency and weak practicability in prediction...
March 19, 2017: Sensors
https://www.readbyqxmd.com/read/28335467/through-the-kinesthetic-lens-observation-of-social-attunement-in-autism-spectrum-disorders
#6
Rosemarie Samaritter, Helen Payne
This paper will present a movement-informed perspective to social attunement in Autism Spectrum Disorders (ASD). BACKGROUND: Dance movement therapy (DMT) is a psychotherapeutic intervention that is used with participants with ASD in various settings. Regular clinical outcome monitoring in an outpatient setting in the Netherlands had shown positive effects on social attunement capacities in young people with ASD. However, a systematic study of the development of social attunement movement behaviors of participants with ASD throughout a DMT intervention was not yet available...
March 18, 2017: Behavioral Sciences
https://www.readbyqxmd.com/read/28335453/a-spatially-offset-raman-spectroscopy-method-for-non-destructive-detection-of-gelatin-encapsulated-powders
#7
Kuanglin Chao, Sagar Dhakal, Jianwei Qin, Yankun Peng, Walter F Schmidt, Moon S Kim, Diane E Chan
Non-destructive subsurface detection of encapsulated, coated, or seal-packaged foods and pharmaceuticals can help prevent distribution and consumption of counterfeit or hazardous products. This study used a Spatially Offset Raman Spectroscopy (SORS) method to detect and identify urea, ibuprofen, and acetaminophen powders contained within one or more (up to eight) layers of gelatin capsules to demonstrate subsurface chemical detection and identification. A 785-nm point-scan Raman spectroscopy system was used to acquire spatially offset Raman spectra for an offset range of 0 to 10 mm from the surfaces of 24 encapsulated samples, using a step size of 0...
March 18, 2017: Sensors
https://www.readbyqxmd.com/read/28335416/supplementation-with-phycocyanobilin-citrulline-taurine-and-supranutritional-doses-of-folic-acid-and-biotin-potential-for-preventing-or-slowing-the-progression-of-diabetic-complications
#8
Mark F McCarty
Oxidative stress, the resulting uncoupling of endothelial nitric oxide synthase (eNOS), and loss of nitric oxide (NO) bioactivity, are key mediators of the vascular and microvascular complications of diabetes. Much of this oxidative stress arises from up-regulated nicotinamide adenine dinucleotide phosphate (NADPH) oxidase activity. Phycocyanobilin (PhyCB), the light-harvesting chromophore in edible cyanobacteria such as spirulina, is a biliverdin derivative that shares the ability of free bilirubin to inhibit certain isoforms of NADPH oxidase...
March 14, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/28335404/perceptions-of-health-co-benefits-in-relation-to-greenhouse-gas-emission-reductions-a-survey-among-urban-residents-in-three-chinese-cities
#9
Jinghong Gao, Guozhang Xu, Wenjun Ma, Yong Zhang, Alistair Woodward, Sotiris Vardoulakis, Sari Kovats, Paul Wilkinson, Tianfeng He, Hualiang Lin, Tao Liu, Shaohua Gu, Jun Wang, Jing Li, Jun Yang, Xiaobo Liu, Jing Li, Haixia Wu, Qiyong Liu
Limited information is available on the perceptions of stakeholders concerning the health co-benefits of greenhouse gas (GHG) emission reductions. The purpose of this study was to investigate the perceptions of urban residents on the health co-benefits involving GHG abatement and related influencing factors in three cities in China. Beijing, Ningbo and Guangzhou were selected for this survey. Participants were recruited from randomly chosen committees, following quotas for gender and age in proportion to the respective population shares...
March 13, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28335375/assessing-the-spectral-properties-of-sunlit-and-shaded-components-in-rice-canopies-with-near-ground-imaging-spectroscopy-data
#10
Kai Zhou, Xinqiang Deng, Xia Yao, Yongchao Tian, Weixing Cao, Yan Zhu, Susan L Ustin, Tao Cheng
Monitoring the components of crop canopies with remote sensing can help us understand the within-canopy variation in spectral properties and resolve the sources of uncertainties in the spectroscopic estimation of crop foliar chemistry. To date, the spectral properties of leaves and panicles in crop canopies and the shadow effects on their spectral variation remain poorly understood due to the insufficient spatial resolution of traditional spectroscopy data. To address this issue, we used a near-ground imaging spectroscopy system with high spatial and spectral resolutions to examine the spectral properties of rice leaves and panicles in sunlit and shaded portions of canopies and evaluate the effect of shadows on the relationships between spectral indices of leaves and foliar chlorophyll content...
March 13, 2017: Sensors
https://www.readbyqxmd.com/read/28335356/refinement-of-magnetite-nanoparticles-by-coating-with-organic-stabilizers
#11
Monica Cîrcu, Alexandrina Nan, Gheorghe Borodi, Jürgen Liebscher, Rodica Turcu
Magnetite nanoparticles are of great importance in nanotechnology and nanomedicine and have found manifold applications. Here, the effect of coating of magnetite nanoparticles with organic stabilizers, such as O-phosphoryl ethanolamine, glycerol phosphate, phospho-l-ascorbic acid, phospho-d,l-serine, glycolic acid, lactic acid, d,l-malic acid, and d,l-mandelic acid was studied. Remarkably, this procedure led to an improvement of saturation magnetization in three cases rather than to an unfavorable decrease as usually observed...
November 29, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335328/investigation-of-the-mechanical-properties-and-microstructure-of-graphene-nanoplatelet-cement-composite
#12
Baomin Wang, Ruishuang Jiang, Zhenlin Wu
In this work, graphene nanoplatelets (GNPs) were dispersed uniformly in aqueous solution using methylcellulose (MC) as a dispersing agent via ultrasonic processing. Homogenous GNP suspensions were incorporated into the cement matrix to investigate the effect of GNPs on the mechanical behavior of cement paste. The optimum concentration ratio of GNPs to MC was confirmed as 1:7 by ultraviolet visible spectroscopy (UV-Vis), and the optical microscope and transmission electron microscopy (TEM) images displayed remarkable dispersing performance...
November 4, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335318/a-label-free-and-sensitive-fluorescent-qualitative-assay-for-bisphenol-a-based-on-rolling-circle-amplification-exonuclease-iii-combined-cascade-amplification
#13
Xia Li, Juan Song, Qing-Wang Xue, Fu-Heng You, Xia Lu, Yan-Cong Kong, Shu-Yi Ma, Wei Jiang, Chen-Zhong Li
Bisphenol A (BPA) detection in drinking water and food packaging materials has attracted much attention since the discovery that BPA can interfere with normal physiological processes and cause adverse health effects. Here, we constructed a label-free aptamer fluorescent assay for selective and sensitive detection of BPA based on the rolling circle amplification (RCA)/Exonuclease III (Exo III)-combined cascade amplification strategy. First, the duplex DNA probe (RP) with anti-BPA aptamer and trigger sequence was designed for BPA recognition and signal amplification...
October 21, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335278/recent-prospects-in-the-inline-monitoring-of-nanocomposites-and-nanocoatings-by-optical-technologies
#14
REVIEW
Elodie Bugnicourt, Timothy Kehoe, Marcos Latorre, Cristina Serrano, Séverine Philippe, Markus Schmid
Nanostructured materials have emerged as a key research field in order to confer materials with unique or enhanced properties. The performance of nanocomposites depends on a number of parameters, but the suitable dispersion of nanoparticles remains the key in order to obtain the full nanocomposites' potential in terms of, e.g., flame retardance, mechanical, barrier, thermal properties, etc. Likewise, the performance of nanocoatings to obtain, for example, tailored surface affinity with selected liquids (e.g...
August 19, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335263/enhanced-deposition-uniformity-via-an-auxiliary-electrode-in-massive-electrospinning
#15
Dezhi Wu, Zhiming Xiao, Lei Deng, Yu Sun, Qiulin Tan, Linxi Dong, Shaohua Huang, Rui Zhu, Yifang Liu, Wanxi Zheng, Yang Zhao, Lingyun Wang, Daoheng Sun
Uniform deposition of nanofibers in the massive electrospinning process is critical in the industrial applications of nanofibers. Tip-Induced Electrospinning (TIE) is a cost-effective large-scale nanofiber-manufacturing method, but it has poor deposition uniformity. An auxiliary conductive electrode connected to the emitting electrode was introduced to improve the deposition uniformity of the nanofibers. The effects of the auxiliary electrode shape, the tilted angles and the position of the boat-like electrode on the electric field distribution, the diameter of the nanofibers, the jet control and the deposition uniformity were explored by using finite element analysis of the electric field and experiments...
July 22, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335239/a-flexible-360-degree-thermal-sound-source-based-on-laser-induced-graphene
#16
Lu-Qi Tao, Ying Liu, Zhen-Yi Ju, He Tian, Qian-Yi Xie, Yi Yang, Tian-Ling Ren
A flexible sound source is essential in a whole flexible system. It's hard to integrate a conventional sound source based on a piezoelectric part into a whole flexible system. Moreover, the sound pressure from the back side of a sound source is usually weaker than that from the front side. With the help of direct laser writing (DLW) technology, the fabrication of a flexible 360-degree thermal sound source becomes possible. A 650-nm low-power laser was used to reduce the graphene oxide (GO). The stripped laser induced graphene thermal sound source was then attached to the surface of a cylindrical bottle so that it could emit sound in a 360-degree direction...
June 7, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335230/fluorescent-nanocomposite-of-embedded-ceria-nanoparticles-in-crosslinked-pva-electrospun-nanofibers
#17
Nader Shehata, Soha Gaballah, Effat Samir, Aya Hamed, Marwa Saad
This paper introduces a new fluorescent nanocomposite of electrospun biodegradable nanofibers embedded with optical nanoparticles. In detail, this work introduces the fluorescence properties of PVA nanofibers generated by the electrospinning technique with embedded cerium oxide (ceria) nanoparticles. Under near-ultra violet excitation, the synthesized nanocomposite generates a visible fluorescent emission at 520 nm, varying its intensity peak according to the concentration of in situ embedded ceria nanoparticles...
June 1, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335014/impact-of-high-intensity-polio-eradication-activities-on-children-s-routine-immunization-status-in-northern-india
#18
Marco J Haenssgen
The objective of this article is to analyse and quantify the side effects of the Polio Eradication Initiative on routine immunization performance in India. Past studies have faced methodological challenges in assessing these side effects. This article offers a methodological alternative for health policy analysts. The research uses secondary household survey data from the Indian District-Level Household and Facility Survey (DLHS), focusing on children aged 10-30 months in the Northern Indian states of Uttar Pradesh (n = 34 327) and Bihar (n = 20 525)...
March 16, 2017: Health Policy and Planning
https://www.readbyqxmd.com/read/28334998/spatiotemporal-mapping-of-epileptic-spikes-using-simultaneous-eeg-functional-mri
#19
Jennifer M Walz, Mangor Pedersen, Amir Omidvarnia, Mira Semmelroch, Graeme D Jackson
Epileptic spikes occur on the sub-second timescale and are known to involve not only epileptic foci but also large-scale distributed brain networks. There is likely to be a sequence of neural activity in multiple brain regions that occurs within the duration of a single spike, but standard electroencephalography-functional magnetic resonance imaging analyses, which use only the timing of the spikes to model the functional magnetic resonance imaging data, cannot determine the sequence of these activations. Our aim in this study is to temporally resolve these spatial activations to observe the spatiotemporal dynamics of the spike-related neural activity at a sub-second timescale...
February 20, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28334984/interdisciplinary-working-in-public-health-research-a-proposed-good-practice-checklist
#20
L Gavens, J Holmes, G Bühringer, J McLeod, M Neumann, A Lingford-Hughes, E S Hock, P S Meier
Background: Guidance on how different disciplines from the natural, behavioural and social sciences can collaborate to resolve complex public health problems is lacking. This article presents a checklist to support researchers and principle investigators to develop and implement interdisciplinary collaborations. Methods: Fourteen individuals, representing 10 disciplines, participated in in-depth interviews to explore the strengths and challenges of working together on an interdisciplinary project to identify the determinants of substance use and gambling disorders, and to make recommendations for future interdisciplinary teams...
March 14, 2017: Journal of Public Health
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