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https://www.readbyqxmd.com/read/28088119/composite-films-of-metal-doped-cos-carbon-allotropes-efficient-electrocatalyst-counter-electrodes-for-high-performance-quantum-dot-sensitized-solar-cells
#1
Seyede Sara Khalili, Hossein Dehghani, Malihe Afrooz
This study reports the enhanced catalytic ability of metal ions-doped CoS and CoS/carbon allotrope counter electrodes (CEs) (synthesized using a successive ionic layer adsorption and reaction (SILAR) method) to improve the power conversion efficiency (η) in quantum dot-sensitized solar cells (QDSSCs). Firstly, doping effects of different metal ions (Mg(2+), Ca(2+), Sr(2+) and Ba(2+)) in the CoS CE on the QDSSCs performance have been investigated. Overall, among the different metal doped CoS CEs, the best energy conversion efficiency of 2...
January 5, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28088116/upconversion-color-tuning-in-ce-3-doped-liyf4-yb-3-ho-3-liyf4-nanoparticles-towards-ratiometric-fluorescence-detection-of-chromium-iii
#2
Shijiang Liu, Yangjie Li, Cheng Zhang, Liang Yang, Tingting Zhao, Ruilong Zhang, Changlong Jiang
Ratiometric fluorescence sensor exhibits advantages of sensitive response, high anti-interference ability and naked eye visualization owing to multiple independent emission peaks utilized for results analysis. To achieve such multi-emission probe, the traditional methods have involved simple mixing of two emitters or tedious synthesis processes of hybrid material. However, these probes often have problems of inconstant emission strength ratio, low light-stability, and complicated synthetic process, which limit their applications in practical field...
January 7, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28081297/first-trimester-noninvasive-fetal-rhd-genotyping-using-maternal-dried-blood-spots
#3
Yali Xiong, Stacey Jeronis, Barbara Hoffman, Dan A Liebermann, Ossie Geifman-Holtzman
OBJECTIVE: This study was aimed to evaluate whether maternal dried blood spots (DBS) could be a potential source for the non-invasive fetal RHD genotyping, serving as a combined one-step test for both the First Trimester Screen and the fetal RHD genotyping. METHOD: Both the DBS and the peripheral blood samples from nineteen RhD-negative pregnant women were obtained during the First Trimester Screen. DNA was extracted and Sequential Real-time PCRs were performed to determine the fetal RHD genotypes...
January 12, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28079993/upcoming-veccs-ce-programs
#4
(no author information available yet)
No abstract text is available yet for this article.
January 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28079829/breath-hold-and-free-breathing-f-18-fdg-pet-ct-in-malignant-melanoma-detection-of-additional-tumoral-foci-and-effects-on-quantitative-parameters
#5
Robert Bärwolf, Mariana Zirnsak, Martin Freesmeyer
During PET/CT acquisition, respiratory motion generates artifacts in the form of breath-related blurring, which may impair lesion detectability and diagnostic accuracy. This observational study was undertaken to verify whether breath-hold F-18-FDG-PET/CT (bhPET) detects additional foci compared to free-breathing PET/CT (fbPET) in cases of malignant melanoma, and to assess the impact of breath-holding on standard uptake values (SUV) and metabolic isocontoured volume (mVic40).Thirty-four patients with melanoma were examined...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28078776/performance-of-the-forenseq-tm-dna-signature-prep-kit-on-highly-degraded-samples
#6
Paolo Fattorini, Carlo Previderé, Ilaria Carboni, Giorgio Marrubini, Solange Sorçaburu-Cigliero, Pierangela Grignani, Barbara Bertoglio, Paolo Vatta, Ugo Ricci
Next generation sequencing (NGS) is the emerging technology in forensic genomics laboratories. It offers higher resolution to address most problems of human identification, greater efficiency and potential ability to interrogate very challenging forensic casework samples. In the present study, a trial set of DNA samples was artificially degraded, by progressive aqueous hydrolysis, and analyzed together with the corresponding unmodified DNA sample and control sample 2800M, to test the performance and reliability of the ForenSeq(TM) DNA Signature Prep kit using the MiSeq Sequencer (Illumina)...
January 12, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28078556/response-readiness-modulates-the-development-of-association-based-automaticity-in-masked-priming
#7
Yongchun Wang, Yonghui Wang, Peng Liu, Meilin Di, Yanyan Gong, Li Zhao, Qi Chen
The current study investigated the role of the automatization of stimulus and response (S-R) associations and response readiness in triggering the motor activation for masked primes in two experiments. The automatization of associations was manipulated by employing different types of stimuli, and response readiness was manipulated by varying the relative frequency of Go trials in a modified Go/No-Go task. Compatibility (compatible and incompatible), stimulus type (arrows and parallel lines), and test session (Sessions 1, 2, and 3) were manipulated in a high response-readiness condition (Experiment 1) and in a low response-readiness condition (Experiment 2)...
January 11, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28078525/chitosan-ceramide-coating-on-gold-nanorod-to-improve-its-physiological-stability-and-reduce-the-lipid-surface-related-toxicity
#8
Gantumur Battogtokh, Oyuntuya Gotov, Young Tag Ko
Gold nanoparticles are promising materials for many applications that include imaging, drug delivery, and photothermal therapy. However, AuNPs can be unstable and/or toxic. We purposed to improve the stability and reduce toxicity of gold nanorods (AuNR) upon coating with biocompatible polymer, chitosan-ceramide (CS-CE), without replacing the original layer, CTAB. CS-CE-coated AuNR was prepared by simple mixing for 24 h and purified by centrifugation. The coating was confirmed by UV-Vis absorption analysis and surface charge and size measurement...
January 11, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/28076948/cerium-iv-imido-complexes-structural-experimental-and-reactivity-studies
#9
Lukman A Solola, Alexander V Zabula, Walter L Dorfner, Brian C Manor, Patrick J Carroll, Eric J Schelter
A series of alkali metal capped cerium(IV) imido complexes, [M(solv)x][Ce=N(3,5-(CF3)2C6H3)(TriNOx)] (M = Li, K, Rb, Cs; solv = TMEDA, THF, Et2O or DME), was isolated and fully characterized. An X-ray structural investigation of the cerium imido complexes demonstrated the impact of the alkali metal counterions on the geometry of the [Ce=N(3,5-(CF3)2C6H3)(TriNOx)]- moiety. Substantial shortening of the Ce=N bond was observed with increasing size of the alkali metal cation. The first complex featuring an unsupported, terminal multiple bond between a Ce(IV) ion and a ligand fragment was also isolated by encapsulation of a Cs+ counterion with 2...
January 11, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28075625/unenhanced-and-contrast-enhanced-mr-angiography-and-perfusion-imaging-for-suspected-pulmonary-thromboembolism
#10
Yoshiharu Ohno, Takeshi Yoshikawa, Yuji Kishida, Shinichiro Seki, Nevzat Karabulut
OBJECTIVE: This article discusses the basics of unenhanced MR angiography (MRA) and MR venography (MRV), time-resolved contrast-enhanced (CE) MRA and dynamic first-pass CE perfusion MRI, and unenhanced and CE MRV, in addition to assessing the clinical relevance of these techniques for evaluating patients with suspected pulmonary thromboembolism and deep venous thrombosis. CONCLUSION: Since the 1990s, the efficacy of MRA or MRV and dynamic perfusion MRI for patients with suspected pulmonary thromboembolism and deep venous thrombosis has been evaluated...
January 11, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28075601/nitrogen-doped-mesoporous-carbons-as-counter-electrodes-in-quantum-dot-sensitized-solar-cells-with-a-conversion-efficiency-exceeding-12
#11
Shuang Jiao, Jun Du, Zhonglin Du, Donghui Long, Wuyou Jiang, Zhenxiao Pan, Yan Li, Xinhua Zhong
The exploration of catalyst materials for counter electrode (CE) in quantum dot sensitized solar cells (QDSCs) that have both high electrocatalytic activity and low charge transfer resistance is always significant yet challenging. In this work, we report the incorporation of nitrogen heteroatoms into carbon lattices leading to nitrogen doped mesoporous carbon (N-MC) materials with superior catalytic activity when used as CE in Zn-Cu-In-Se QDSCs. A series of N-MC materials with different nitrogen contents were synthesized by colloidal silica nanocasting method...
January 11, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28075420/the-trend-of-voluntary-warnings-in-electronic-nicotine-delivery-system-magazine-advertisements
#12
Ce Shang, Frank J Chaloupka
Some manufacturers of electronic nicotine delivery systems (ENDS) voluntarily carried health warnings in their advertisements. This study examined these voluntary warnings in magazine ads and plotted their trends between 2012 and early 2015. ENDS magazine ads were obtained through Kantar media and warnings were collected from the Chicago Public Library or the Trinkets and Trash surveillance system. The prevalence of voluntary warnings, warnings with the specific capitalized word "WARNING", and MarkTen warnings were examined after being weighted using factors related to exposure between January 2012 and March 2015...
January 10, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28074974/ligand-assisted-mechanochemical-synthesis-of-ceria-based-catalysts-for-the-selective-catalytic-reduction-of-no-by-nh3
#13
J F Yan, W G Qiu, L Y Song, Y Chen, Y C Su, G M Bai, G Z Zhang, H He
CeO2/TiO2 catalysts were fabricated by dry ball milling in the presence or absence of an organic ligand. It was found that the catalysts prepared by ligand-assisted ball milling exhibited high NH3-SCR activities due to the interaction between cerium ions and ligand molecules resulting in good dispersion, a high Ce(3+) ratio and high reducibility of cerium species.
January 11, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28073674/inhibition-of-invasion-by-n-trans-feruloyloctopamine-via-akt-p38mapk-and-emt-related-signals-in-hepatocellular-carcinoma-cells
#14
Zhong-Tian Bai, Zheng-Rong Wu, Li-Li Xi, Xun Li, Peng Chen, Fu-Qiang Wang, Wen-Bo Meng, Wen-Ce Zhou, Xin-An Wu, Xiao-Jun Yao, Min Zhang
N-trans-feruloyloctopamine (FO) isolated from Garlic skin was identified as the primary antioxidant constituents, however, the effect of which on HCC invasion is still unclear. Herein, the FO was synthesized and its antitumor activities were evaluated in HCC cell lines. Cellular functional analyses have revealed that the reformed FO owns strong abilities of inhibiting cell proliferation and invasion in HCC cells. Molecular data have further showed that FO could significantly decrease the phosphorylation levels of Akt and p38 MAPK...
December 30, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28072880/characterisation-of-early-life-fecal-microbiota-in-susceptible-and-healthy-pigs-to-post-weaning-diarrhoea
#15
Samir Dou, Pascale Gadonna-Widehem, Véronique Rome, Dounia Hamoudi, Larbi Rhazi, Lyes Lakhal, Thibaut Larcher, Narges Bahi-Jaber, Arturo Pinon-Quintana, Alain Guyonvarch, Isabelle L E Huërou-Luron, Latifa Abdennebi-Najar
Early-life microbial exposure is of particular importance to growth, immune system development and long-lasting health. Hence, early microbiota composition is a promising predictive biomarker for health and disease but still remains poorly characterized in regards to susceptibility to diarrhoea. In the present study, we aimed to assess if gut bacterial community diversity and composition during the suckling period were associated with differences in susceptibility of pigs to post-weaning diarrhoea. Twenty piglets from 5 sows (4 piglets / litter) were weaned in poor housing conditions to challenge their susceptibility to post-weaning diarrhoea...
2017: PloS One
https://www.readbyqxmd.com/read/28072748/giant-polypoid-gastric-heterotopia-in-the-small-intestine-in-a-boy-a-case-report-and-literature-review
#16
Jing Cai, Haibo Yu
RATIONALE: Heterotopic gastric mucosa has been described at various locations of the body; however, the polyp composed of heterotopic gastric mucosa in the small intestine is rare. PATIENT CONCERNS: A 15-year-old boy visited us for investigation of recurrent episodes of melena. Capsule endoscopy (CE) revealed a polypoid tumor in the ileum, with an active nearby hemorrhage. Contrast-enhanced computed tomography (CECT) showed a tumor in the right quadrant of the abdomen, with a diameter of about 18 × 14 mm...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28072459/client-retrospective-accounts-of-corrective-experiences-in-motivational-interviewing-integrated-with-cognitive-behavioral-therapy-for-generalized-anxiety-disorder
#17
Christianne Macaulay, Lynne Angus, Jasmine Khattra, Henny Westra, Jennifer Ip
A corrective experience (CE) is one "in which a person comes to understand or experience affectively an event or relationship in a different and unexpected way" (Castonguay & Hill, 2012, p. 5). CEs disconfirm clients' expectations based on past problematic experiences, and can be emotional, relational, behavioral, and/or cognitive. This qualitative study explored corrective shifts among recovered participants (N = 8) who had received motivational interviewing (MI) integrated with cognitive behavioral therapy (CBT) in a randomized controlled trial comparing CBT alone to MI-CBT for generalized anxiety disorder (Westra, Constantino, & Antony, 2016)...
February 2017: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/28071288/vulnerable-carotid-plaque-imaging-and-histopathology-without-a-dedicated-mri-receiver-coil
#18
Laura A Fitzpatrick, Nadav Berkovitz, Marlise P Dos Santos, Nevin Majeed, Rafael Glikstein, Santanu Chakraborty, John P Veinot, Grant Stotts, Alain Berthiaume, Robert Chatelain
Stroke is associated with vulnerable carotid artery plaques showing specific histopathologic features, namely a lipid-rich necrotic core, intraplaque hemorrhage, ulceration, and thin fibrous cap. While ultrasound and computed tomography (CT) can identify carotid plaques and determine the extent of stenosis, magnetic resonance imaging (MRI) provides further information regarding plaque composition and morphology. In this feasibility study, three patients with symptomatic, moderately stenosed plaques were imaged with CT angiography (CTA) and MRI (3T and 1...
January 1, 2017: Neuroradiology Journal
https://www.readbyqxmd.com/read/28070326/effects-of-cranberry-extracts-on-gene-expression-in-thp-1-cells
#19
Daniel B Hannon, Jerry T Thompson, Christina Khoo, Vijaya Juturu, John P Vanden Heuvel
Cranberry contains high levels of nutrients and bioactive molecules that have health-promoting properties. The purpose of the present studies was to determine if cranberry extracts (CEs) contain phytochemicals that exert anti-inflammatory effects. The human monocytic cell line THP-1 was treated with two CEs (CE and 90MX) and subsequently challenged with Lipopolysaccharides (LPS). Tumor necrosis factor α (TNF α) expression was decreased in the CE-treated cells, indicative of an anti-inflammatory effect. Gene expression microarrays identified several immune-related genes that were responsive to CEs including interferon-induced protein with tetratricopeptide repeats 1 and 3 (IFIT 1 and 3), macrophage scavenger receptor 1 (MSR1) and colony-stimulating factor 2 (CSF2)...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28070013/epidemiology-of-echinococcosis-among-schoolchildren-in-golog-tibetan-autonomous-prefecture-qinghai-china
#20
Huixia Cai, Yayi Guan, Xiao Ma, Liying Wang, Hu Wang, Guoming Su, Xuefei Zhang, Xiumin Han, Junying Ma, Yu Fang Liu, Jun Li, Jingxiao Zhang, Yongshun Wang, Wei Wang, Rui Du, Wen Lei, Weiping Wu
Echinococcosis is a serious zoonotic parasitic disease that is highly endemic in Qinghai Province. The present study aimed to investigate the prevalence of echinococcosis among schoolchildren in Golog Tibetan Autonomous Prefecture to improve early diagnosis and treatment of patients and to provide information for echinococcosis prevention and control. A total of 11,260 schoolchildren from five counties (Maqin, Gander, Dari, Jiuzhi, and Banma) in Golog Tibetan Autonomous Prefecture, Qinghai Province, were screened for echinococcosis...
January 9, 2017: American Journal of Tropical Medicine and Hygiene
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