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https://www.readbyqxmd.com/read/28212432/genetically-encoded-ratiometric-fluorescent-thermometer-with-wide-range-and-rapid-response
#1
Masahiro Nakano, Yoshiyuki Arai, Ippei Kotera, Kohki Okabe, Yasuhiro Kamei, Takeharu Nagai
Temperature is a fundamental physical parameter that plays an important role in biological reactions and events. Although thermometers developed previously have been used to investigate several important phenomena, such as heterogeneous temperature distribution in a single living cell and heat generation in mitochondria, the development of a thermometer with a sensitivity over a wide temperature range and rapid response is still desired to quantify temperature change in not only homeotherms but also poikilotherms from the cellular level to in vivo...
2017: PloS One
https://www.readbyqxmd.com/read/28212431/mediterranean-dietary-pattern-and-vegf-405-g-c-gene-polymorphisms-in-patients-with-metabolic-syndrome-an-aspect-of-gene-nutrient-interaction
#2
Ghazaleh Hajiluian, Mahdieh Abbasalizad Farhangi, Leila Jahangiry
AIMS: To evaluate the relationship between Mediterranean dietary pattern, anthropometric and metabolic biomarkers and vascular endothelial growth factor (VEGF) +405 G/C gene polymorphism in patient with metabolic syndrome (Mets). MATERIALS AND METHODS: In this study 150 patients with Mets and 50 healthy subjects were enrolled. Dietary intakes were evaluated with a semi-quantitative food-frequency questionnaire (FFQ) and Mediterranean dietary quality index (Med-DQI) was assessed...
2017: PloS One
https://www.readbyqxmd.com/read/28212390/lack-of-effects-of-fish-oil-supplementation-for-12-weeks-on-resting-metabolic-rate-and-substrate-oxidation-in-healthy-young-men-a-randomized-controlled-trial
#3
Sebastian Jannas-Vela, Kaitlin Roke, Stephanie Boville, David M Mutch, Lawrence L Spriet
: Fish oil (FO) has been shown to have beneficial effects in the body via incorporation into the membranes of many tissues. It has been proposed that omega-3 fatty acids in FO may increase whole body resting metabolic rate (RMR) and fatty acid (FA) oxidation in human subjects, but the results to date are equivocal. The purpose of this study was to investigate the effects of a 12 week FO supplementation period on RMR and substrate oxidation, in comparison to an olive oil (OO) control group, in young healthy males (n = 26; 22...
2017: PloS One
https://www.readbyqxmd.com/read/28212346/the-relationship-between-physical-activity-and-plasma-glucose-level-amongst-ellisras-rural-young-adult-males-and-females-ellisras-longitudinal-study
#4
Moloko Matshipi, Kotsedi Daniel Monyeki, Han Kemper
Unhealthy lifestyle characteristics such as low physical activity (PA) and high plasma glucose levels (PGLs) may lead to the development of type 2 diabetes mellitus in adulthood. The aim of this study was to investigate (i) the level of physical activity; (ii) the prevalence of pre-diabetes and (iii) the relationship between PA and plasma glucose level in a rural Ellisras adult population aged 18 to 28 years. A total of 713 young adults (349 males and 364 females) who took part in the Ellisras Longitudinal Study participated in the study...
February 16, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28212161/hearing-impairment-and-the-amelioration-of-avoidable-medical-error-a-cross-sectional-survey
#5
Patrick Henn, Colm OʼTuathaigh, Darrelle Keegan, Simon Smith
OBJECTIVES: Hearing loss contributes to suboptimal medical treatment. We investigated the nature and magnitude of potential health-care harm of hearing loss alone on a patient's understanding of medical consultations, investigations, and treatments of health conditions unrelated to their hearing loss. METHODS: A cross-sectional, questionnaire-based design of a convenience sample of students with hearing loss, registered with the institutional disability support service in 8 Irish and 15 UK third-level institutions...
February 16, 2017: Journal of Patient Safety
https://www.readbyqxmd.com/read/28212109/sustainable-exposure-prevention-through-innovative-detection-and-remediation-technologies-from-the-niehs-superfund-research-program
#6
Heather F Henry, William A Suk
Innovative devices and tools for exposure assessment and remediation play an integral role in preventing exposure to hazardous substances. New solutions for detecting and remediating organic, inorganic, and mixtures of contaminants can improve public health as a means of primary prevention. Using a public health prevention model, detection and remediation technologies contribute to primary prevention as tools to identify areas of high risk (e.g. contamination hotspots), to recognize hazards (bioassay tests), and to prevent exposure through contaminant cleanups...
February 17, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28212101/fast-solving-quasi-optimal-ls-s-%C3%A2-vm-based-on-an-extended-candidate-set
#7
Yuefeng Ma, Xun Liang, James T Kwok, Jianping Li, Xiaoping Zhou, Haiyan Zhang
The semisupervised least squares support vector machine (LS-S³VM) is an important enhancement of least squares support vector machines in semisupervised learning. Given that most data collected from the real world are without labels, semisupervised approaches are more applicable than standard supervised approaches. Although a few training methods for LS-S³VM exist, the problem of deriving the optimal decision hyperplane efficiently and effectually has not been solved. In this paper, a fully weighted model of LS-S³VM is proposed, and a simple integer programming (IP) model is introduced through an equivalent transformation to solve the model...
February 14, 2017: IEEE Transactions on Neural Networks and Learning Systems
https://www.readbyqxmd.com/read/28212047/multimaterial-decomposition-algorithm-for-the-quantification-of-liver-fat-content-by-using-fast-kilovolt-peak-switching-dual-energy-ct-clinical-evaluation
#8
Tomoko Hyodo, Norihisa Yada, Masatoshi Hori, Osamu Maenishi, Peter Lamb, Kosuke Sasaki, Minori Onoda, Masatoshi Kudo, Teruhito Mochizuki, Takamichi Murakami
Purpose To assess the clinical accuracy and reproducibility of liver fat quantification with the multimaterial decomposition (MMD) algorithm, comparing the performance of MMD with that of magnetic resonance (MR) spectroscopy by using liver biopsy as the reference standard. Materials and Methods This prospective study was approved by the institutional ethics committee, and patients provided written informed consent. Thirty-three patients suspected of having hepatic steatosis underwent non-contrast material-enhanced and triple-phase dynamic contrast-enhanced dual-energy computed tomography (CT) (80 and 140 kVp) and single-voxel proton MR spectroscopy within 30 days before liver biopsy...
February 17, 2017: Radiology
https://www.readbyqxmd.com/read/28212030/revisiting-silicalite-1-nucleation-in-clear-solution-by-electrochemical-impedance-spectroscopy
#9
Gert Brabants, Maxim Hubin, Erwin Konrad Reichel, Bernhard Jakoby, Eric Breynaert, Francis Taulelle, Johan A Martens, Christine E A Kirschhock
EIS was used to detect and investigate nucleation in silicalite-1 clear solutions. Whereas zeolite nucleation was previously assumed to be a step event, inducing a sharp discontinuity around a Si/OH ratio of 1, complex bulk conductivity measurements at elevated temperatures reveal a gradual decay of the conductivity with increased silicon concentrations. Inverse Laplace transformation of the complex conductivity allows to observe the chemical exchange phenomena governing nano-aggregate formation. At low temperatures, the fast exchange between dissociated ions and ion pairs leads to a gradual decay of the conductivity with increasing silicon content...
February 17, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28211996/alternating-current-electrophoretic-deposition-for-the-immobilization-of-antimicrobial-agents-on-titanium-implant-surfaces
#10
Annabel Braem, Katrijn De Brucker, Nicolas Delattin, Manuela Sonja Killian, Maarten B J Roeffaers, Tomohiko Yoshioka, Satoshi Hayakawa, Patrik Schmuki, Bruno P A Cammue, Sannakaisa Virtanen, Karin Thevissen, Bram Neirinck
One prominent cause of implant failure is infection, therefore research is focusing on developing surface coatings that render the surface resistant to colonization by micro-organisms. Permanently attached coatings of antimicrobial molecules are of particular interest because of the reduced cytoxicity and lower risk of developing resistance compared to controlled release coatings. In this study, we focus on the chemical grafting of bioactive molecules on titanium. To concentrate the molecules at the metallic implant surface, we propose electrophoretic deposition (EPD) applying alternating current (AC) signals with an asymmetrical wave shape...
February 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28211993/recent-lab-on-chip-developments-for-novel-drug-discovery
#11
REVIEW
Nauman Khalid, Isao Kobayashi, Mitsutoshi Nakajima
Microelectromechanical systems (MEMS) and micro total analysis systems (μTAS) revolutionized the biochemical and electronic industries, and this miniaturization process became a key driver for many markets. Now, it is a driving force for innovations in life sciences, diagnostics, analytical sciences, and chemistry, which are called 'lab-on-a-chip, (LOC)' devices. The use of these devices allows the development of fast, portable, and easy-to-use systems with a high level of functional integration for applications such as point-of-care diagnostics, forensics, the analysis of biomolecules, environmental or food analysis, and drug development...
February 17, 2017: Wiley Interdisciplinary Reviews. Systems Biology and Medicine
https://www.readbyqxmd.com/read/28211951/semiparametric-regression-analysis-of-interval-censored-competing-risks-data
#12
Lu Mao, Dan-Yu Lin, Donglin Zeng
Interval-censored competing risks data arise when each study subject may experience an event or failure from one of several causes and the failure time is not observed directly but rather is known to lie in an interval between two examinations. We formulate the effects of possibly time-varying (external) covariates on the cumulative incidence or sub-distribution function of competing risks (i.e., the marginal probability of failure from a specific cause) through a broad class of semiparametric regression models that captures both proportional and non-proportional hazards structures for the sub-distribution...
February 17, 2017: Biometrics
https://www.readbyqxmd.com/read/28211913/boosting-laser-ion-acceleration-with-multi-picosecond-pulses
#13
A Yogo, K Mima, N Iwata, S Tosaki, A Morace, Y Arikawa, S Fujioka, T Johzaki, Y Sentoku, H Nishimura, A Sagisaka, K Matsuo, N Kamitsukasa, S Kojima, H Nagatomo, M Nakai, H Shiraga, M Murakami, S Tokita, J Kawanaka, N Miyanaga, K Yamanoi, T Norimatsu, H Sakagami, S V Bulanov, K Kondo, H Azechi
Using one of the world most powerful laser facility, we demonstrate for the first time that high-contrast multi-picosecond pulses are advantageous for proton acceleration. By extending the pulse duration from 1.5 to 6 ps with fixed laser intensity of 10(18) W cm(-2), the maximum proton energy is improved more than twice (from 13 to 33 MeV). At the same time, laser-energy conversion efficiency into the MeV protons is enhanced with an order of magnitude, achieving 5% for protons above 6 MeV with the 6 ps pulse duration...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211759/gamma-tocopherol-supplementation-ameliorated-hyper-inflammatory-response-during-the-early-cutaneous-wound-healing-in-alloxan-induced-diabetic-mice
#14
Jihyun Shin, Soo Jin Yang, Yunsook Lim
Delayed wound healing is one of the major diabetic complications. During wound healing process, the early inflammatory stage is important for better prognosis. One of antioxidant nutrient, gamma-tocopherol (GT) is considered to regulate inflammatory conditions. This study investigated the effect of GT supplementation on mechanism associated with inflammation, oxidative stress, and apoptosis during early cutaneous wound healing in diabetic mice. Diabetes was induced by alloxan injection in ICR mice. All mice were divided into three groups: non-diabetic control mice (CON), diabetic control mice (DMC), and diabetic mice supplemented with GT (GT)...
March 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28211706/observation-of-d-0-%C3%A2-%C3%AF-0-%C3%AE-and-search-for-cp-violation-in-radiative-charm-decays
#15
T Nanut, A Zupanc, I Adachi, H Aihara, S Al Said, D M Asner, V Aulchenko, T Aushev, R Ayad, V Babu, I Badhrees, A M Bakich, V Bansal, P Behera, V Bhardwaj, J Biswal, A Bondar, A Bozek, M Bračko, T E Browder, D Červenkov, V Chekelian, A Chen, B G Cheon, R Chistov, K Cho, S-K Choi, Y Choi, D Cinabro, N Dash, S Di Carlo, Z Doležal, D Dutta, S Eidelman, H Farhat, J E Fast, T Ferber, B G Fulsom, V Gaur, N Gabyshev, A Garmash, R Gillard, P Goldenzweig, B Golob, K Hayasaka, H Hayashii, W-S Hou, T Iijima, K Inami, G Inguglia, A Ishikawa, Y Iwasaki, W W Jacobs, I Jaegle, D Joffe, K K Joo, T Julius, A B Kaliyar, K H Kang, T Kawasaki, D Y Kim, J B Kim, K T Kim, M J Kim, S H Kim, K Kinoshita, P Kodyš, S Korpar, P Krokovny, T Kuhr, R Kulasiri, A Kuzmin, Y-J Kwon, J S Lange, I S Lee, C H Li, L Li, Y Li, L Li Gioi, J Libby, D Liventsev, M Lubej, M Masuda, T Matsuda, D Matvienko, K Miyabayashi, H Miyata, R Mizuk, G B Mohanty, H K Moon, M Nakao, K J Nath, M Nayak, N K Nisar, S Nishida, S Ogawa, S Okuno, P Pakhlov, G Pakhlova, B Pal, C-S Park, C W Park, H Park, S Paul, T K Pedlar, L Pesántez, R Pestotnik, M Petrič, L E Piilonen, K Prasanth, C Pulvermacher, J Rauch, M Ritter, A Rostomyan, Y Sakai, S Sandilya, L Santelj, T Sanuki, Y Sato, V Savinov, T Schlüter, O Schneider, G Schnell, C Schwanda, A J Schwartz, Y Seino, K Senyo, O Seon, M E Sevior, V Shebalin, C P Shen, T-A Shibata, J-G Shiu, B Shwartz, E Solovieva, S Stanič, M Starič, J F Strube, J Stypula, T Sumiyoshi, M Takizawa, U Tamponi, F Tenchini, K Trabelsi, M Uchida, S Uno, Y Ushiroda, G Varner, A Vinokurova, V Vorobyev, A Vossen, C H Wang, M-Z Wang, P Wang, Y Watanabe, E Widmann, E Won, J Yamaoka, Y Yamashita, J Yelton, Z P Zhang, V Zhilich, V Zhukova, V Zhulanov
We report the first observation of the radiative charm decay D^{0}→ρ^{0}γ and the first search for CP violation in decays D^{0}→ρ^{0}γ, ϕγ, and K[over ¯]^{*0}(892)γ, using a data sample of 943  fb^{-1} collected with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. The branching fraction is measured to be B(D^{0}→ρ^{0}γ)=(1.77±0.30±0.07)×10^{-5}, where the first uncertainty is statistical and the second is systematic. The obtained CP asymmetries A_{CP}(D^{0}→ρ^{0}γ)=+0...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28211676/electrochemical-genetic-profiling-of-single-cancer-cells
#16
Josep L Acero Sanchez, Hamdi Joda, Olivier Yves Henry, Beata W Solnestam, Linda Kvastad, Pelin S Akan, Joakim Lundeberg, Nadja Laddach, Dheeraj Ramakrishnan, Ian Riley, Carmen Schwind, Daniel Latta, Ciara K O' Sullivan
Recent understandings in the development and spread of cancer have lead to the realisation of novel single cell analysis platforms focused on circulating tumour cells (CTCs). A simple, rapid and inexpensive analytical platform capable of providing genetic information of these rare cells is highly desirable to support clinicians and researchers alike to either support the selection or adjustment of therapy or provide fundamental insights into cell function and cancer progression mechanisms. We report on the genetic profiling of single cancer cells, exploiting a combination of multiplex ligation-dependent probe amplification (MLPA) and electrochemical detection...
February 17, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28211673/capillary-microfluidics-assembled-virus-like-particle-bio-nano-receptor-interfaces-for-label-free-biosensing
#17
Faheng Zang, Konstantinos Gerasopoulos, Adam D Brown, James N Culver, Reza Ghodssi
In this paper, a capillary microfluidics-integrated sensor system is developed for rapid assembly of bionanoreceptor interfaces on-chip and label-free biosensing. Genetically engineered Tobacco mosaic virus (TMV) virus-like particle (VLP), displaying thousands copies of identical receptor peptides FLAG-tags, are utilized as nanoceptors for antibody sensing. Controlled and accelerated assembly of VLP receptor layer on impedance sensor has been achieved using capillary effect and surface evaporation from an open-channel capillary microfluidic system...
February 17, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28211583/in%C3%A2-situ-temperature-response-of-photosynthesis-of-42-tree-and-liana-species-in-the-canopy-of-two-panamanian-lowland-tropical-forests-with-contrasting-rainfall-regimes
#18
Martijn Slot, Klaus Winter
Tropical forests contribute significantly to the global carbon cycle, but little is known about the temperature response of photosynthetic carbon uptake in tropical species, and how this varies within and across forests. We determined in situ photosynthetic temperature-response curves for upper canopy leaves of 42 tree and liana species from two tropical forests in Panama with contrasting rainfall regimes. On the basis of seedling studies, we hypothesized that species with high photosynthetic capacity - light-demanding, fast-growing species - would have a higher temperature optimum of photosynthesis (TOpt ) than species with low photosynthetic capacity - shade-tolerant, slow-growing species - and that, therefore, TOpt would scale with the position of a species on the slow-fast continuum of plant functional traits...
February 17, 2017: New Phytologist
https://www.readbyqxmd.com/read/28211558/anxiety-associated-with-parachute-jumping-as-the-cause-of-blood-red-ox-balance-impairment
#19
Mateusz Kowalczyk, Katarzyna Kozak, Julita Ciećwierz, Monika Sienkiewicz, Marcin Kura, Łukasz Jasiak, Edward Kowalczyk
OBJECTIVES: The aim of the study was to assess the effect of anxiety associated with parachute jumps on selected redox balance parameters in regular soldiers from airborne forces. The study allows estimating whether the paratroopers exposed to high level of mental stress are simultaneously under severe oxidative stress. METHODS: The investigations were carried out on 46 professional soldiers from airborne forces divided into groups depending on the number of performed parachute jumps...
December 23, 2016: Psychiatria Polska
https://www.readbyqxmd.com/read/28211535/arylmethylamino-steroids-as-antiparasitic-agents
#20
Reimar Krieg, Esther Jortzik, Alice-Anne Goetz, Stéphanie Blandin, Sergio Wittlin, Mourad Elhabiri, Mahsa Rahbari, Selbi Nuryyeva, Kerstin Voigt, Hans-Martin Dahse, Axel Brakhage, Svenja Beckmann, Thomas Quack, Christoph G Grevelding, Anthony B Pinkerton, Bruno Schönecker, Jeremy Burrows, Elisabeth Davioud-Charvet, Stefan Rahlfs, Katja Becker
In search of antiparasitic agents, we here identify arylmethylamino steroids as potent compounds and characterize more than 60 derivatives. The lead compound 1o is fast acting and highly active against intraerythrocytic stages of chloroquine-sensitive and resistant Plasmodium falciparum parasites (IC50 1-5 nM) as well as against gametocytes. In P. berghei-infected mice, oral administration of 1o drastically reduces parasitaemia and cures the animals. Furthermore, 1o efficiently blocks parasite transmission from mice to mosquitoes...
February 17, 2017: Nature Communications
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