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https://www.readbyqxmd.com/read/28339495/microrna-expression-profiles-identify-disease-specific-alterations-in-systemic-lupus-erythematosus-and-primary-sj%C3%A3-gren-s-syndrome
#1
Ji-Qing Chen, Gábor Papp, Szilárd Póliska, Krisztina Szabó, Tünde Tarr, Bálint László Bálint, Péter Szodoray, Margit Zeher
The discovery of microRNAs (miRNAs) and their critical role in genetic control opened new avenues in understanding of various biological processes including immune cell lineage commitment, differentiation, proliferation and apoptosis. However, a given miRNA may have hundreds of different mRNA targets and a target might be regulated by multiple miRNAs, thus the characterisation of dysregulated miRNA expression profiles could give a better insight into the development of immunological disturbances in autoimmune diseases...
2017: PloS One
https://www.readbyqxmd.com/read/28339324/mobile-but-connected-harnessing-the-power-of-self-efficacy-and-group-support-for-weight-loss-success-through-mhealth-intervention
#2
Heewon Kim, Meara Faw, Andreas Michaelides
Despite the growing popularity of mHealth applications, their usage outcomes have received limited empirical attention. Drawing on server-level user activity data and an online survey (N = 384), this study examines the use of an mHealth application for weight loss to elucidate the ways in which it can help individuals harness the power of self-efficacy and group support to enact behavior change and accomplish their health goals. The results of structural equation modeling based on 6-month user activity data demonstrated that (a) self-efficacy had a positive impact on persistent food logging in an mHealth application; (b) social support received from a mobile group was positively associated with food logging and group participation; and (c) both food logging and group participation predicted weight loss success...
March 24, 2017: Journal of Health Communication
https://www.readbyqxmd.com/read/28338635/a-formaldehyde-sensor-based-on-molecularly-imprinted-polymer-on-a-tio%C3%A2-nanotube-array
#3
Xiaohui Tang, Jean-Pierre Raskin, Driss Lahem, Arnaud Krumpmann, André Decroly, Marc Debliquy
Today, significant attention has been brought to the development of sensitive, specific, cheap, and reliable sensors for real-time monitoring. Molecular imprinting technology is a versatile and promising technology for practical applications in many areas, particularly chemical sensors. Here, we present a chemical sensor for detecting formaldehyde, a toxic common indoor pollutant gas. Polypyrrole-based molecularly-imprinted polymer (PPy-based MIP) is employed as the sensing recognition layer and synthesized on a titanium dioxide nanotube array (TiO₂-NTA) for increasing its surface-to-volume ratio, thereby improving the sensor performance...
March 24, 2017: Sensors
https://www.readbyqxmd.com/read/28336794/the-ethics-of-smart-cities-and-urban-science
#4
Rob Kitchin
Software-enabled technologies and urban big data have become essential to the functioning of cities. Consequently, urban operational governance and city services are becoming highly responsive to a form of data-driven urbanism that is the key mode of production for smart cities. At the heart of data-driven urbanism is a computational understanding of city systems that reduces urban life to logic and calculative rules and procedures, which is underpinned by an instrumental rationality and realist epistemology...
December 28, 2016: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28336061/enzymes-as-sensors
#5
Maria Staiano, Angela Pennacchio, Antonio Varriale, Alessandro Capo, Adelia Majoli, Clotilde Capacchione, Sabato D'Auria
Over the last few decades the development of new technologies, the fabrication of new materials, and the introduction of nanotechnologies created new trends in a series of advances that produced innovations in biological sensing devices with a wide range of application from health, security, defense, food, and medicine, to the environment. Specificity, low cost, rapidity, sensitivity, and multiplicity are some of the reasons for their growth, and their commercial success is expected to increase in the next future...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28335790/physical-mechanism-and-modeling-of-heat-generation-and-transfer-in-magnetic-fluid-hyperthermia-through-n%C3%A3-elian-and-brownian-relaxation-a-review
#6
REVIEW
Suriyanto, E Y K Ng, S D Kumar
Current clinically accepted technologies for cancer treatment still have limitations which lead to the exploration of new therapeutic methods. Since the past few decades, the hyperthermia treatment has attracted the attention of investigators owing to its strong biological rationales in applying hyperthermia as a cancer treatment modality. Advancement of nanotechnology offers a potential new heating method for hyperthermia by using nanoparticles which is termed as magnetic fluid hyperthermia (MFH). In MFH, superparamagnetic nanoparticles dissipate heat through Néelian and Brownian relaxation in the presence of an alternating magnetic field...
March 23, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28335341/design-and-electrochemical-study-of-platinum-based-nanomaterials-for-sensitive-detection-of-nitric-oxide-in-biomedical-applications
#7
REVIEW
Maduraiveeran Govindhan, Zhonggang Liu, Aicheng Chen
The extensive physiological and regulatory roles of nitric oxide (NO) have spurred the development of NO sensors, which are of critical importance in neuroscience and various medical applications. The development of electrochemical NO sensors is of significant importance, and has garnered a tremendous amount of attention due to their high sensitivity and selectivity, rapid response, low cost, miniaturization, and the possibility of real-time monitoring. Nanostructured platinum (Pt)-based materials have attracted considerable interest regarding their use in the design of electrochemical sensors for the detection of NO, due to their unique properties and the potential for new and innovative applications...
November 14, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335303/detection-of-prohibited-fish-drugs-using-silver-nanowires-as-substrate-for-surface-enhanced-raman-scattering
#8
Jia Song, Yiqun Huang, Yuxia Fan, Zhihui Zhao, Wansong Yu, Barbara A Rasco, Keqiang Lai
Surface-enhanced Raman scattering or surface-enhanced Raman spectroscopy (SERS) is a promising detection technology, and has captured increasing attention. Silver nanowires were synthesized using a rapid polyol method and optimized through adjustment of the molar ratio of poly(vinyl pyrrolidone) and silver nitrate in a glycerol system. Ultraviolet-visible spectrometry, X-ray diffraction, and transmission electron microscopy were used to characterize the silver nanowires. The optimal silver nanowires were used as a SERS substrate to detect prohibited fish drugs, including malachite green, crystal violet, furazolidone, and chloramphenicol...
September 21, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335284/graphene-enabled-electrodes-for-electrocardiogram-monitoring
#9
Numan Celik, Nadarajah Manivannan, Andrew Strudwick, Wamadeva Balachandran
The unique parameters of graphene (GN)-notably its considerable electron mobility, high surface area, and electrical conductivity-are bringing extensive attention into the wearable technologies. This work presents a novel graphene-based electrode for acquisition of electrocardiogram (ECG). The proposed electrode was fabricated by coating GN on top of a metallic layer of a Ag/AgCl electrode using a chemical vapour deposition (CVD) technique. To investigate the performance of the fabricated GN-based electrode, two types of electrodes were fabricated with different sizes to conduct the signal qualities and the skin-electrode contact impedance measurements...
August 23, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28332835/toward-nucleating-the-concept-of-the-water-resource-recovery-facility-wrrf-perspective-from-the-principal-actors
#10
Erik R Coats, Patrick I Wilson
Wastewater resource recovery has been advocated for decades; necessary structural pathways were long-ago articulated, and established and emerging technologies exist. Nevertheless, broad wastewater valorization remains elusive. In considering implementation barriers, the argument is made that decision-makers focus on avoiding permit violations and negative publicity by embracing a conservative/safe approach - seemingly ignoring research on economic/environmental benefits. Conversely positing that economics is a primary barrier, we investigated, characterized, and described non-technical socio-political barriers to realizing wastewater resource recovery...
March 23, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28331874/the-importance-of-constructive-feedback-implications-of-top-down-regulation-in-the-development-of-neural-circuits
#11
Andrew D Thompson, Chinfei Chen
Neural circuits in sensory pathways develop through a general strategy of overproduction of synapses followed by activity-driven pruning to fine-tune connectivity for optimal function. The early visual pathway, consisting of the retina → visual thalamus → primary visual cortex, has served for decades as a powerful model system for probing the mechanisms and logic of this process. In addition to these feedforward projections, the early visual pathway also includes a substantial feedback component in the form of corticothalamic projections from the deepest layer of primary visual cortex...
2017: Neurogenesis (Austin, Tex.)
https://www.readbyqxmd.com/read/28330821/beyond-precision-surgery-molecularly-motivated-precision-care-for-gastric-cancer
#12
REVIEW
Y Y Choi, J-H Cheong
Gastric cancer is one of the leading causes of cancer-related deaths worldwide. Despite the high disease prevalence, gastric cancer research has not gained much attention. Recently, genome-scale technology has made it possible to explore the characteristics of gastric cancer at the molecular level. Accordingly, gastric cancer can be classified into molecular subtypes that convey more detailed information of tumor than histopathological characteristics, and these subtypes are associated with clinical outcomes...
March 1, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28328207/same-precursor-two-different-products-comparing-the-structural-evolution-of-in-ga-o-gel-derived-powders-and-so-lution-cast-films-using-pair-distribution-function-analysis
#13
Suzannah R Wood, Keenan N Woods, Paul N Plassmeyer, David A Marsh, Darren W Johnson, Catherine J Page, Kirsten M O Jensen, David C Johnson
Amorphous metal oxides are central to a variety of technological applications. In particular, indium gallium oxide has garnered attention as a thin-film transistor channel layer material. In this work we examine the structural evolution of indium gallium oxide gel-derived powders and thin films using X-ray diffraction, infrared vibrational spectroscopy, and pair distribution function analysis of X-ray total scattering from standard (PDF) and normal incidence thin film (tfPDF) geometries. We find that the gel-derived powders and films from the same aqueous precursor evolve differently with temperature, forming mixtures of Ga-substituted In2O3 and In-substituted β-Ga2O3 with different degrees of substitution...
March 22, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28327714/elemental-two-dimensional-nanosheets-beyond-graphene
#14
REVIEW
Xiangkai Kong, Qiangchun Liu, Changlin Zhang, Zhenmeng Peng, Qianwang Chen
The great success of graphene has encouraged the fast development of other two-dimensional (2D) nanosheets, which have attracted extensive attention in different scientific fields encompassing field effect transistors, lithium-ion batteries, and catalysis. With atomic-scale thickness, almost all of the atoms are exposed on the surface, providing an extremely high specific surface area, in conjunction with special physical, chemical, and electronic properties, owing to the quantum confinement effects, which enable their surface phase to be as important as the bulk counterparts...
March 22, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28327383/sigueme-technology-based-intervention-for-low-functioning-autism-to-train-skills-to-work-with-visual-signifiers-and-concepts
#15
María Vélez-Coto, María José Rodríguez-Fórtiz, María Luisa Rodriguez-Almendros, Marcelino Cabrera-Cuevas, Carlos Rodríguez-Domínguez, Tomás Ruiz-López, Ángeles Burgos-Pulido, Inmaculada Garrido-Jiménez, Juan Martos-Pérez
BACKGROUND: People with low-functioning ASD and other disabilities often find it difficult to understand the symbols traditionally used in educational materials during the learning process. Technology-based interventions are becoming increasingly common, helping children with cognitive disabilities to perform academic tasks and improve their abilities and knowledge. Such children often find it difficult to perform certain tasks contained in educational materials since they lack necessary skills such as abstract reasoning...
March 16, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28325711/investigating-the-perceptions-of-care-coordinators-on-using-behavior-theory-based-mobile-health-technology-with-medicaid-populations-a-grounded-theory-study
#16
Brittany Erika Sigler
BACKGROUND: Medicaid populations are less engaged in their health care than the rest of the population, translating to worse health outcomes and increased health care costs. Since theory-based mobile health (mHealth) interventions have been shown to increase patient engagement, mobile phones may be an optimal strategy to reach this population. With increased development of theory-based mHealth technology, these interventions must now be evaluated with these medically underserved populations in a real-world setting...
March 21, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28325702/construction-of-an-interim-storage-field-using-recovered-municipal-solid-waste-incineration-bottom-ash-field-performance-study
#17
Laura Annika Sormunen, Pauli Kolisoja
The leaching of hazardous substances from municipal solid waste incineration (MSWI) bottom ash (BA) has been studied in many different scales for several years. Less attention has been given to the mechanical performance of MSWI BA in actual civil engineering structures. The durability of structures built with this waste derived material can have major influence on the functional properties of such structures and also the potential leaching of hazardous substances in the long term. Hence, it is necessary to properly evaluate in which type of structures MSWI BA can be safely used in a similar way as natural and crushed rock aggregates...
March 18, 2017: Waste Management
https://www.readbyqxmd.com/read/28325665/volatile-methylsiloxanes-through-wastewater-treatment-plants-a-review-of-levels-and-implications
#18
REVIEW
Daniela Capela, Nuno Ratola, Arminda Alves, Vera Homem
The use of siloxanes has been increasing due to physicochemical properties that are appropriate to be included in the formulations of a large variety of consumer products. This implies a considerable release of these chemicals into the environment, which caught the attention of the scientific community in view of some reports of potential hazardous effects. However, the studies related to the presence and partition of volatile methylsiloxanes (VMSs) in wastewater treatment plants (WWTPs) are still scarce. The aim of this review is to provide a comprehensive assessment of the current state of the knowledge concerning the presence of VMSs in WWTPs and also a discussion of the efficiency of the removal technologies available...
March 15, 2017: Environment International
https://www.readbyqxmd.com/read/28325248/bridging-innovation-and-outreach-to-overcome-global-gaps-in-radiation-oncology-through-information-and-communication-tools-trainee-advancement-engaging-industry-attention-to-ethical-challenges-and-political-advocacy
#19
REVIEW
Luqman Dad, Trevor J Royce, Zachary Morris, Meena Moran, Todd Pawlicki, Deepak Khuntia, Patricia Hardenbergh, Bernard Cummings, Nina Mayr, Kenneth Hu
An evolving paradigm in global outreach in radiation oncology has been the implementation of a more region-specific, needs-based approach to help close the gap in radiation services to low- and middle-income countries through the use of innovative tools in information and communication technology. This report highlights 4 information and communication technology tools in action today: (1) the NCCN Framework for Resource Stratification of NCCN guidelines, (2) ASTRO e-Contouring, (3) i.treatsafely.org, and (4) ChartRounds...
April 2017: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/28325167/virtual-reality-in-the-assessment-understanding-and-treatment-of-mental-health-disorders
#20
D Freeman, S Reeve, A Robinson, A Ehlers, D Clark, B Spanlang, M Slater
Mental health problems are inseparable from the environment. With virtual reality (VR), computer-generated interactive environments, individuals can repeatedly experience their problematic situations and be taught, via evidence-based psychological treatments, how to overcome difficulties. VR is moving out of specialist laboratories. Our central aim was to describe the potential of VR in mental health, including a consideration of the first 20 years of applications. A systematic review of empirical studies was conducted...
March 22, 2017: Psychological Medicine
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