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https://www.readbyqxmd.com/read/29216156/butterfly-inspired-micro-concavity-array-film-for-color-conversion-efficiency-improvement-of-quantum-dot-based-light-emitting-diodes
#1
Shudong Yu, Baoshan Zhuang, Junchi Chen, Zongtao Li, Longshi Rao, Binhai Yu, Yong Tang
Inspired by the Papilio blumei butterfly, quantum-dot (QD) film coupled with micro-concavity array (MCA) films is proposed in this Letter to enhance color conversion efficiency (CCE) of QD-based light-emitting diodes (LEDs). The diameter, aspect ratio, and pitch of the MCA are optimized in the optical simulations. Both the simulation and experimental results show that the scattering and double reflection effects are the key to the CCE improvement of QD films. The results show that the CCEs are increased from 19...
December 1, 2017: Optics Letters
https://www.readbyqxmd.com/read/29200836/computerized-cognitive-stimulation-and-engagement-programs-in-older-adults-with-mild-cognitive-impairment-comparing-feasibility-acceptability-and-cognitive-and-psychosocial-effects
#2
Leila Djabelkhir, Ya-Huei Wu, Jean-Sébastien Vidal, Victoria Cristancho-Lacroix, Fabienne Marlats, Hermine Lenoir, Ariela Carno, Anne-Sophie Rigaud
Purpose: Mild cognitive impairment (MCI) is associated with a higher risk of dementia and is becoming a topic of interest for pharmacological and nonpharmacological interventions. With advances in technology, computer-based cognitive exercises are increasingly integrated into traditional cognitive interventions, such as cognitive training. Another type of cognitive intervention involving technology use is cognitive engagement, consisting of involving participants in highly motivational and mentally challenging activities, such as learning to use a form of new digital technology...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/29195941/a-new-method-to-determine-the-water-activity-and-the-net-isosteric-heats-of-sorption-for-low-moisture-foods-at-elevated-temperatures
#3
Ravi Kiran Tadapaneni, Ren Yang, Brady Carter, Juming Tang
In recent years, research studies have shown that the thermal resistance of foodborne pathogens in the low moisture foods is greatly influenced by the water activity (aw) at temperatures relevant to thermal treatments for pathogen control. Yet, there has been a lack of an effective method for accurate measurement of aw at those temperatures. Thus, the main aim of this study was to evaluate a new method for measuring aw of food samples at elevated temperatures. An improved thermal cell with a relative humidity and temperature sensor was used to measure the aw of the three different food samples, namely, organic wheat flour, almond flour, and non-fat milk powder, over the temperature range between 20 and 80°C...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29166546/back-to-back-colon-capsule-endoscopy-and-optical-colonoscopy-in-colorectal-cancer-screening-individuals
#4
Morten Kobaek-Larsen, Rasmus Kroijer, Anne-Kirstine Dyrvig, Maria Magdalena Buijs, Robert J C Steele, Niels Qvist, Gunnar Baatrup
AIM: To determine the polyp detection rate and per-patient sensitivity for polyps >9 mm of colon capsule endoscopy (CCE) compared with colonoscopy as well as the diagnostic accuracy of CCE. METHOD: Individuals who had positive immunochemical faecal occult blood test during screening had investigator blinded colon capsule endoscopy and colonoscopy. Participants underwent repeat endoscopy if significant lesions detected by colon capsule endoscopy were considered to have been missed by colonoscopy...
November 22, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/29155772/preparation-of-primary-acute-lymphoblastic-leukemia-cells-in-different-cell-cycle-phases-by-centrifugal-elutriation
#5
Magdalena Delgado, Anisha Kothari, Walter N Hittelman, Timothy C Chambers
The ability to synchronize cells has been central to advancing our understanding of cell cycle regulation. Common techniques employed include serum deprivation; chemicals which arrest cells at different cell cycle phases; or the use of mitotic shake-off which exploits their reduced adherence. However, all of these have disadvantages. For example, serum starvation works well for normal cells but less well for tumor cells with compromised cell cycle checkpoints due to oncogene activation or tumor suppressor loss...
November 10, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29146561/recurrent-neural-networks-with-specialized-word-embeddings-for-health-domain-named-entity-recognition
#6
Iñigo Jauregi Unanue, Ehsan Zare Borzeshi, Massimo Piccardi
BACKGROUND: Previous state-of-the-art systems on Drug Name Recognition (DNR) and Clinical Concept Extraction (CCE) have focused on a combination of text "feature engineering" and conventional machine learning algorithms such as conditional random fields and support vector machines. However, developing good features is inherently heavily time-consuming. Conversely, more modern machine learning approaches such as recurrent neural networks (RNNs) have proved capable of automatically learning effective features from either random assignments or automated word "embeddings"...
November 13, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/29141510/gasification-of-algal-biomass-cladophora-glomerata-l-with-co2-h2o-o2-in-a-circulating-fluidized-bed
#7
Abdol Ghaffar Ebadi, Hikmat Hisoriev
Gasification is one of the most important thermochemical routes to produce both synthesis gas (syngas) and chars. The quality of produced syngas wieldy depends on the operating conditions (temperature, residence time, heating rate, and gasifying agent), hydrodynamic properties of gasifier (particle size, minimum fluidization velocity, and gasifier size), and type of feedstock (coal, biomass, oil, and municipal solid wastes). In the present study, simulation of syngas production via circulating fluidized bed (CFB) gasification of algal biomass (Cladophora glomerata L...
November 15, 2017: Environmental Technology
https://www.readbyqxmd.com/read/29107888/expected-but-omitted-stimuli-affect-crossmodal-interaction
#8
Marcello Costantini, Daniele Migliorati, Brunella Donno, Miroslav Sirota, Francesca Ferri
One of the most important ability of our brain is to integrate input from different sensory modalities to create a coherent representation of the environment. Does expectation affect such multisensory integration? In this paper, we tackled this issue by taking advantage from the crossmodal congruency effect (CCE). Participants made elevation judgments to visual target while ignoring tactile distractors. We manipulated the expectation of the tactile distractor by pairing the tactile stimulus to the index finger with a high-frequency tone and the tactile stimulus to the thumb with a low-frequency tone in 80% of the trials...
November 3, 2017: Cognition
https://www.readbyqxmd.com/read/29102461/effect-of-swarna-jibanti-coelogyne-cristata-lindley-in-alleviation-of-chronic-fatigue-syndrome-in-aged-wistar-rats
#9
Achintya Mitra, Tapas Kumar Sur, Sachhidananda Upadhyay, Dipankar Bhattacharyya, Jayram Hazra
BACKGROUND: Swarna Jibanti scientifically known as Coelogyne cristata Lindley (Orchidaceae), an orchid mentioned in Ayurvedic medicine is used to promote healthy life span. OBJECTIVE: The present work was planned to study the efficacy of hydro-alcoholic extract of pseudobulbs of C.cristata (CCE) to assess its role on chronic fatigue syndrome (CFS) induced behavioural and biochemical changes in aged Wistar rats compared to Panax ginseng (PG), a prototype anti-stress agent...
November 1, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/29102234/acute-treatment-of-stroke-due-to-spontaneous-calcified-cerebral-emboli-causing-large-vessel-occlusion
#10
REVIEW
Muhammad Faraz Raghib, Johannes Sebastian Mutzenbach, Cornelia Rösler, Ferdinand Otto, Mark Mc Coy, Erasmia Müller-Thies-Broussalis, Slaven Pikija
INTRODUCTION: Calcified cerebral emboli (CCE) are rarely responsible for large vessel occlusion (LVO) in acute anterior stroke, and therefore therapeutic experience is scarce. We sought to expand current knowledge upon therapeutic options with three new cases and a review of current literature. METHODS: Systematic search of patients with acute anterior stroke due to LVO in one comprehensive stroke center throughout a 4 year period. Literature search for reported cases of CCE...
October 25, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29071816/application-of-multiplex-ligation-dependent-probe-amplification-assay-for-genotyping-major-blood-group-systems-including-del-variants-in-the-d-negative-korean-population
#11
Banseok Kim, Seung Tae Lee, Sinyoung Kim, Jong Rak Choi, Hyun Ok Kim
BACKGROUND: The DEL blood type, a very weak D variant, is a major concern in the field of transfusion medicine because of its potential to cause anti-D alloimmunization. We investigated the molecular basis of serologically D-negative phenotypes, including the DEL type, and the distribution of other blood group systems in the Korean population using the recently developed multiplex ligation-dependent probe amplification (MLPA) assay. METHODS: Blood group genotyping using the MLPA assay and RhCE phenotyping were performed on randomly selected 95 D-negative red blood cell products...
January 2018: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/29063769/-current-application-and-future-perspectives-of-capsule-colonoscopy
#12
M Voška, M Zavoral, Š Suchánek
Colon capsule endoscopy (CCE) is a noninvasive technique for diagnostic imaging of the colon that does not require air insufflation or sedation. CCE can be used in average-risk patients, in patients with incomplete colonoscopy and in patients with contraindications for conventional colonoscopy. In this paper, we review the technical characteristics, current application and possible future development of CCE.Key words: colorectal cancer - screening colon capsule endoscopy.
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/29051069/procyanidins-from-cinnamomi-cortex-promote-proteasome-independent-degradation-of-nuclear-nrf2-through-phosphorylation-of-insulin-like-growth-factor-1-receptor-in-a549%C3%A2-cells
#13
Tomokazu Ohnuma, Kazuya Sakamoto, Asumi Shinoda, Chiaki Takagi, Shoko Ohno, Takahito Nishiyama, Kenichiro Ogura, Akira Hiratsuka
Many lines of evidence demonstrate that transcription factor nuclear factor-E2-related factor 2 (Nrf2) plays essential roles in cancer cell proliferation and resistance to chemotherapy, thereby indicating that suppression of abnormal Nrf2 activation is needed for a new therapeutic approach. Our previous studies reported that procyanidins prepared from Cinnamomi Cortex extract (CCE) have an ability to suppress cytoprotective enzymes and cell proliferation in human cancer cells with activated Nrf2. In the present study, we investigated the mechanism of CCE procyanidin-mediated antagonization of Nrf2...
December 1, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29050613/improvement-of-alkali-efficiency-for-purification-of-dissolving-pulp-by-a-modified-cold-caustic-extraction-process
#14
Liang He, Qing-Qing Guan, Lin-Cai Peng, Ke-Li Chen, Xin-Sheng Chai
In this study, a reutilization of caustic lye during cold caustic extraction (i.e., CCE) process to produce high-purity dissolving pulp and high-concentrated hemicellulose solution was proposed. The results showed that the lye can be reused about 12 times for producing high-purity dissolving pulps. With the number of CCE stages of 12, the hemicellulose in the lye can be auto-concentrated to about 37g/L. The alkali efficiency of the modified CCE process was about 6 (or 3) times better than the traditional CCE process with low- (or middle-) consistency of pulps...
December 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29042625/radiation-resistance-of-silicon-carbide-schottky-diode-detectors-in-d-t-fusion-neutron-detection
#15
Linyue Liu, Ao Liu, Song Bai, Ling Lv, Peng Jin, Xiaoping Ouyang
Silicon carbide (SiC) is a wide band-gap semiconductor material with many excellent properties, showing great potential in fusion neutron detection. The radiation resistance of 4H-SiC Schottky diode detectors was studied experimentally by carefully analyzing the detectors' properties before and after deuterium-tritium fusion neutron irradiation with the total fluence of 1.31 × 10(14) n/cm(2) and 7.29 × 10(14) n/cm(2) at room temperature. Significant degradation has been observed after neutron irradiation: reverse current increased greatly, over three to thirty fold; Schottky junction was broken down; significant lattice damage was observed at low temperature photoluminescence measurements; the peaks of alpha particle response spectra shifted to lower channels and became wider; the charge collection efficiency (CCE) decreased by about 7...
October 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28959734/drug-free-approach-to-study-the-unusual-cell-cycle-of-giardia-intestinalis
#16
Kathleen Horlock-Roberts, Chase Reaume, Guillem Dayer, Christine Ouellet, Nicholas Cook, Janet Yee
Giardia intestinalis is a protozoan parasite that causes giardiasis, a form of severe and infectious diarrhea. Despite the importance of the cell cycle in the control of proliferation and differentiation during a giardia infection, it has been difficult to study this process due to the absence of a synchronization procedure that would not induce cellular damage resulting in artifacts. We utilized counterflow centrifugal elutriation (CCE), a size-based separation technique, to successfully obtain fractions of giardia cultures enriched in G1, S, and G2...
September 2017: MSphere
https://www.readbyqxmd.com/read/28943551/cholesterol-crystal-embolism-induced-by-direct-factor-xa-inhibitor-a-first-case-report
#17
Hideaki Oka, Taro Kamimura, Yuki Hiramatsu, Kento Fukumitsu, Rei Iwata, Mika Kondo, Yutaro Hirashima, Seishi Aihara, Atsumi Harada, Kazuhiko Tsuruya
An 80-year-old man presented at our hospital with renal failure. He had been treated with edoxaban, an oral direct factor Xa inhibitor, for deep vein thrombosis for 10 months prior to admission. Although the pulses in his bilateral pedal arteries were palpable, cyanosis was present in the bilateral toes. Laboratory data indicated azotemia and eosinophilia. A skin biopsy confirmed a diagnosis of cholesterol crystal embolism (CCE). Because no invasive vascular procedure was performed, we assumed that CCE was related to edoxaban...
September 25, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28928404/granule-cells-control-recovery-from-classical-conditioned-fear-responses-in-the-zebrafish-cerebellum
#18
Koji Matsuda, Masayuki Yoshida, Koichi Kawakami, Masahiko Hibi, Takashi Shimizu
Although previous studies show that the cerebellum is involved in classical fear conditioning, it is not clear which components in the cerebellum control it or how. We addressed this issue using a delayed fear-conditioning paradigm with late-stage zebrafish larvae, with the light extinguishment as the conditioned stimulus (CS) and an electric shock as the unconditioned stimulus (US). The US induced bradycardia in the restrained larvae. After paired-associate conditioning with the CS and US, a substantial population of the larvae displayed CS-evoked bradycardia responses...
September 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28901416/protective-role-of-berberine-and-coptischinensis-extract-on-t2md-rats-and-associated-islet-rin%C3%A2-5f-cells
#19
Yu-Yu Jiang, Han-Ming Cui, Jia-Long Wang, Hui Liu, Meng-Meng Dang, Qiu-Yan Zhang, Fang Yang, Jian-Tao Kou, Xiao-Lin Tong
The aim of the present study was to compare the different effects of berberine (Ber) and Coptischinensis extract (CCE) on a rat model of type 2 diabetes mellitus (T2DM), and the islet Rin‑5f cell line was used to examine the differences between Ber and CCE and the underlying mechanisms. CCE was extracted and purified prior to analysis. Male Sprague‑Dawley rats were provided with a high‑fat diet to induce insulin resistance prior to injecting with streptozotocinto establish the T2DM model, the T2DM rats were treated with Ber and CCE, and blood samples and pancreatic tissues were obtained and compared to examine T2DM metabolic syndromes among the groups of rats, which included healthy rats, model rats, and model rats treated with Ber and CCE at different doses between 0 and 8 weeks...
November 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28887037/cholecalciterol-cholesterol-emulsion-attenuates-experimental-autoimmune-myocarditis-in-mice-via-inhibition-of-the-pyroptosis-signaling-pathway
#20
COMPARATIVE STUDY
Ning Liu, Han Su, Yalin Zhang, Zuwang Liu, Juan Kong
1,25-dihydroxyvitamin D3 and its analog (paricalcitol) have beneficial effects on multiple systems and diseases, including myocarditis. However, the therapeutic effect of cholecalciterol cholesterol emulsion (CCE) on myocarditis and the role of pyroptosis in the progress of myocarditis have not been determined. The objective of this study was to investigate the effect of CCE on experimental autoimmune myocarditis and its underlying mechanisms. The ratio of heart weight to body weight was decreased after CCE treatment compared with vehicle-treated controls...
November 4, 2017: Biochemical and Biophysical Research Communications
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