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https://www.readbyqxmd.com/read/28319774/kinetics-and-mechanism-of-hemicelluloses-removal-from-cellulosic-fibers-during-the-cold-caustic-extraction-process
#1
Jianguo Li, Huichao Hu, Hailong Li, Liulian Huang, Lihui Chen, Yonghao Ni
The effective separation of hemicelluloses and cellulose is desirable for the production of high-purity cellulose, which is a sustainable raw material for many value-added applications. For this purpose, the kinetics and mechanism of hemicelluloses removal from the cold caustic extraction (CCE) were investigated in the present study. The hemicelluloses removal process consists of: 1) the bulk phase, characteristic of significant hemicelluloses removal; 2) the transition phase, hemicelluloses transferring from the inner to the outer region of the fiber wall, with negligible overall hemicelluloses removal; 3) the residual phase, presenting a weak but continuing hemicelluloses removal...
March 7, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28295697/diagnostic-capability-of-colon-capsule-endoscopy-for-advanced-colorectal-cancer-a-pilot-study
#2
Yumiko Ota, Atsuo Yamada, Yuka Kobayashi, Ryota Niikura, Takayuki Shimpoh, Akiko Narita, Shuntaro Yoshida, Nobumi Suzuki, Hirotsugu Watabe, Yoshihiro Hirata, Soichiro Ishihara, Eiji Sunami, Toshiaki Watanabe, Kazuhiko Koike
OBJECTIVES: Colon capsule endoscopy (CCE) is a safe and effective method for detecting lesions in the colon. However, the sensitivity of CCE in detecting advanced colorectal cancer (CRC) has not been sufficiently evaluated. Therefore, the aim of this study was to assess the sensitivity of CCE in detecting advanced CRC. METHODS: Patients previously diagnosed with advanced CRC by conventional colonoscopy underwent CCE. The primary outcome measure was the sensitivity of CCE in detecting advanced CRC per patient and per lesion...
March 10, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28286556/prospective-study-of-factors-important-to-achieve-observation-of-the-entire-colon-on-colon-capsule-endoscopy
#3
Junichi Sato, Masanao Nakamura, Osamu Watanabe, Takeshi Yamamura, Kohei Funasaka, Eizaburo Ohno, Ryoji Miyahara, Hiroki Kawashima, Hidemi Goto, Yoshiki Hirooka
BACKGROUND: Colon capsule endoscopy (CCE) is a procedure in which capsule swallowing facilitates observation of the lumen of the entire digestive tract. It does not require an air supply, and is a noninvasive procedure with a markedly low risk of adverse events in comparison with conventional colonoscopy (CS). It reduces patient stress, and may be acceptable to patients. A limitation of this procedure is that the entire colon observation rate (CCE excretion rate, completed CCE rate) is not 100%...
January 2017: Therapeutic Advances in Gastroenterology
https://www.readbyqxmd.com/read/28265285/accuracy-of-colon-capsule-endoscopy-in-detecting-colorectal-polyps-in-individuals-with-familial-colorectal-cancer-could-we-avoid-colonoscopies
#4
Cristina Alvarez-Urturi, Gloria Fernández-Esparrach, Inés Ana Ibáñez, Cristina Rodríguez De Miguel, Josep Maria Dedeu, Xavier Bessa, Henry Córdova, Maria Pellisé, Francesc Balaguer, Angels Ginés, Luis Barranco, Isis K Araujo, Montserrat Andreu, Josep Llach, Antoni Castells, Begoña González-Suarez
Background. Individuals with a family history of colorectal cancer (CRC) have an increased risk of CRC. We evaluated the diagnostic yield of CCE in the detection of lesions and also two different colon preparations. Methods. A prospective multicenter study was designed to assess CCE diagnostic yield in a cohort of asymptomatic individuals with a family history of CRC. CCE and colonoscopy were performed on the same day by 2 endoscopists who were blinded to the results of the other procedure. Results. Fifty-three participants were enrolled...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28264708/effectiveness-of-persea-major-kopp-lauraceae-extract-against-enterococcus-faecalis-a-preliminary-in-vitro-study
#5
Lusiane Volpato, Marilisa Carneiro Leão Gabardo, Denise Piotto Leonardi, Paulo Henrique Tomazinho, Leila Teresinha Maranho, Flares Baratto-Filho
BACKGROUND: Persea major Kopp (Lauraceae) is a plant with wound healing, antibacterial, and analgesic properties. The aim of this study was to assess the in vitro antibacterial activity of the concentrated crude extract (CCE) and ethyl acetate fraction (EAF) of this plant against Enterococcus faecalis and compare it with calcium hydroxide [Ca(OH)2] paste and 2% chlorhexidine digluconate (CHX). METHODS: The plant material was collected, and an extract was prepared according to the requirements of the study (CCE and EAF)...
March 6, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28263686/the-relationship-between-contextual-cues-in-virtual-environments-and-creative-processes
#6
Jérôme Guegan, Julien Nelson, Todd Lubart
Because of the range of design possibilities they provide, virtual environments have a promising potential to support creative work. This article presents an experiment that explores the effects of contextual cues, provided in a virtual environment, on performance in a creative task. One hundred thirty-five participants completed a classical creativity task in one of three environments: a virtual creativity-conducive environment (CCE), comprising standardized elements identified from a survey as being characteristic of environments that support creativity, a real meeting room (real control environment), and its virtual replication (virtual control environment)...
March 2017: Cyberpsychology, Behavior and Social Networking
https://www.readbyqxmd.com/read/28258635/cinnamomum-cassia-extracts-reverses-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition-in-human-lung-adenocarcinoma-cells-and-suppresses-tumor-growth-in-vivo
#7
Chin-Yin Lin, Yi-Hsien Hsieh, Shun-Fa Yang, Shu-Chen Chu, Pei-Ni Chen, Yih-Shou Hsieh
Metastasis is the most common cause of cancer-related mortality in patients, and epithelial-mesenchymal transition (EMT) is essential for cancer metastasis and antidrug resistance. Cinnamomum cassia has several antioxidative, anti-inflammatory, and anticancer biological effects. However, the anti-EMT effect of C. cassia in human lung carcinoma is rarely reported. In this study, we determined whether C. cassia extracts (CCE) reduces the EMT and tumor growth of human lung adenocarcinoma cells. CCE inhibited the transforming growth factor (TGF)-β1-induced cell motility and invasiveness of A549 and H1299 cells by repressing matrix metalloproteinase-2 and urokinase-type plasminogen activator as well as impaired cell adhesion to collagen...
March 4, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28245496/effects-of-aging-on-figure-ground-perception-convexity-context-effects-and-competition-resolution
#8
Jordan W Lass, Patrick J Bennett, Mary A Peterson, Allison B Sekuler
We examined age-related differences in figure-ground perception by exploring the effect of age on Convexity Context Effects (CCE; Peterson & Salvagio, 2008). Experiment 1, using Peterson and Salvagio's procedure and black and white stimuli consisting of 2 to 8 alternating concave and convex regions, established that older adults exhibited reduced CCEs compared to younger adults. Experiments 2 and 3 demonstrated that this age difference was found at various stimulus durations and sizes. Experiment 4 compared CCEs obtained with achromatic stimuli, in which the alternating convex and concave regions were each all black or all white, and chromatic stimuli in which the concave regions were homogeneous in color but the convex regions varied in color...
February 1, 2017: Journal of Vision
https://www.readbyqxmd.com/read/28229607/therapeutic-impact-of-colon-capsule-endoscopy-with-pillcam%C3%A2-colon-2-after-incomplete-standard-colonoscopy-a-spanish-multicenter-study
#9
Óscar Nogales, Javier García-Lledó, Marisol Luján, David Nicolás, José Francisco Juanmartiñena, Begoña González-Suárez, Francisco Sánchez Ceballos, Ignacio Couto, José Olmedo, Cristina Garfia, Cristina Carretero, Ignacio Fernández Urién, Sarbelio Rodríguez, Matilde Asteinza, Pilar Olivencia, Ángeles Masedo, Miguel Muñoz-Navas, Beatriz Merino, Cecilia González Asanza
INTRODUCTION: Colon capsule endoscopy (CCE) is an alternative approach for the examination of the colon in patients who refuse colonoscopy or after incomplete colonoscopy (IC). We conducted a study to determine the frequency of complete colonoscopy after IC, the diagnostic yield of CCE, the therapeutic impact of lesions found in CCE, the level of colon cleanliness and the safety of the procedure. METHODS: We performed a prospective, multicenter study involving ten Spanish hospitals...
February 23, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28224451/pet-cta-detection-of-muscle-inflammation-related-to-cholesterol-crystal-emboli-without-arterial-obstruction
#10
M Hassan Pervaiz, Sridevi Durga, Abed Janoudi, Kevin Berger, George S Abela
BACKGROUND: PET/CTA was used to evaluate the effect of cholesterol crystal emboli (CCE) on muscle injury. Cholesterol crystals (CCs) released during plaque rupture travel downstream and lodge in muscle triggering inflammation and tissue injury. METHODS: Thigh muscles in three groups of rabbits (n = 22) were studied after intra-arterial injection of CCs, Group I (n = 10); polystyrene microspheres, Group II (n = 5); or normal saline, Group III (n = 7). After 48 hours, muscle inflammation and injury were measured by fluorodeoxy-glucose uptake using PET/CTA, serum tissue factor (TF), and creatinine phosphokinase (CPK)...
February 21, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28199333/comparative-and-functional-triatomine-genomics-reveals-reductions-and-expansions-in-insecticide-resistance-related-gene-families
#11
Lucila Traverso, Andrés Lavore, Ivana Sierra, Victorio Palacio, Jesús Martinez-Barnetche, José Manuel Latorre-Estivalis, Gaston Mougabure-Cueto, Flavio Francini, Marcelo G Lorenzo, Mario Henry Rodríguez, Sheila Ons, Rolando V Rivera-Pomar
BACKGROUND: Triatomine insects are vectors of Trypanosoma cruzi, a protozoan parasite that is the causative agent of Chagas' disease. This is a neglected disease affecting approximately 8 million people in Latin America. The existence of diverse pyrethroid resistant populations of at least two species demonstrates the potential of triatomines to develop high levels of insecticide resistance. Therefore, the incorporation of strategies for resistance management is a main concern for vector control programs...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28196586/the-blue-light-dependent-phosphorylation-of-the-cce-domain-determines-the-photosensitivity-of-arabidopsis-cry2
#12
Qin Wang, William D Barshop, Mingdi Bian, Ajay A Vashisht, Reqing He, Xuhong Yu, Bin Liu, Paula Nguyen, Xuanming Liu, Xiaoying Zhao, James A Wohlschlegel, Chentao Lin
No abstract text is available yet for this article.
February 13, 2017: Molecular Plant
https://www.readbyqxmd.com/read/28167816/predictive-value-of-cumulative-blood-pressure-for-all-cause-mortality-and-cardiovascular-events
#13
Yan Xiu Wang, Lu Song, Ai Jun Xing, Ming Gao, Hai Yan Zhao, Chun Hui Li, Hua Ling Zhao, Shuo Hua Chen, Cheng Zhi Lu, Shou Ling Wu
The predictive value of cumulative blood pressure (BP) on all-cause mortality and cardiovascular and cerebrovascular events (CCE) has hardly been studied. In this prospective cohort study including 52,385 participants from the Kailuan Group who attended three medical examinations and without CCE, the impact of cumulative systolic BP (cumSBP) and cumulative diastolic BP (cumDBP) on all-cause mortality and CCEs was investigated. For the study population, the mean (standard deviation) age was 48.82 (11.77) years of which 40,141 (76...
February 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28166835/frequency-of-th17-cells-correlates-with-the-presence-of-lung-lesions-in-pigs-chronically-infected-with-actinobacillus-pleuropneumoniae
#14
Elena L Sassu, Andrea Ladinig, Stephanie C Talker, Maria Stadler, Christian Knecht, Heiko Stein, Janna Frömbling, Barbara Richter, Joachim Spergser, Monika Ehling-Schulz, Robert Graage, Isabel Hennig-Pauka, Wilhelm Gerner
Porcine contagious pleuropneumonia caused by Actinobacillus pleuropneumoniae (APP) remains one of the major causes of poor growth performance and respiratory disease in pig herds. While the role of antibodies against APP has been intensely studied, the porcine T cell response remains poorly characterized. To address this, pigs were intranasally infected with APP serotype 2 and euthanized during the acute phase [6-10 days post-infection (dpi)] or the chronic phase of APP infection (27-31 dpi). Lymphocytes isolated from blood, tonsils, lung tissue and tracheobronchial lymph nodes were analyzed by intracellular cytokine staining (ICS) for IL-17A, IL-10 and TNF-α production after in vitro stimulation with crude capsular extract (CCE) of the APP inoculation strain...
February 6, 2017: Veterinary Research
https://www.readbyqxmd.com/read/28138348/cholesterol-enrichment-impairs-capacitative-calcium-entry-enos-phosphorylation-shear-stress-induced-no-production
#15
Allison M Andrews, Tenderano T Muzorewa, Kelly A Zaccheo, Donald G Buerk, Dov Jaron, Kenneth A Barbee
Endothelial dysfunction, characterized by decreased production or availability of nitric oxide (NO), is widely believed to be the hallmark of early-stage atherosclerosis. In addition, hypercholesterolemia is considered a major risk factor for development of atherosclerosis and is associated with impaired flow-induced dilation. However, the mechanism by which elevated cholesterol levels leads to decreased production of NO is unclear. NO is released in response to shear stress and agonist-evoked changes in intracellular calcium...
February 2017: Cellular and Molecular Bioengineering
https://www.readbyqxmd.com/read/28063473/transfer-of-maternal-immunity-to-piglets-is-involved-in-early-protection-against-mycoplasma-hyosynoviae-infection
#16
K Tølbøll Lauritsen, T Hagedorn-Olsen, G Jungersen, U Riber, H Stryhn, N F Friis, P Lind, B Kristensen
Mycoplasma hyosynoviae causes arthritis in pigs older than 12 weeks. The role of colostrum in protection of piglets against M. hyosynoviae infection is not clear. Our objective was therefore to investigate whether transfer of maternal immunity to piglets was involved in early protection against the infection. Experimental infections were carried out in three groups of weaners receiving different levels of M. hyosynoviae-specific colostrum components; Group NC derived from Mycoplasma free sows and possessed no specific immunity to M...
January 2017: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/28048772/mo-de-207a-04-development-and-evaluation-of-an-adaptive-deformation-recovery-and-intensity-correction-adric-ct-reconstruction-technique
#17
Y Zhang, J Ma, J Wang
PURPOSE: Sequential same-patient CT images usually involve deformation-induced and non-deformation-induced voxel intensity changes. An adaptive deformation-recovery and intensity-correction (ADRIC) technique was developed to improve the CT reconstruction accuracy, and to separate deformation from non-deformation-induced voxel intensity changes between sequential CT images. METHODS: ADRIC views the new CT as a deformation of a prior high-quality CT volume, but with additional non-deformation-induced voxel intensity changes...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048111/su-f-j-38-dose-rates-and-preliminary-evaluation-of-contouring-similarity-metrics-using-4d-cone-beam-ct
#18
A Santoso, K Song, Y Qin, S Gardner, C Liu, R Cattaneo, I Chetty, B Movsas, M Aljouni, N Wen
PURPOSE: 4D imaging modalities require detailed characterization for clinical optimization. The On-Board Imager mounted on the linear accelerator was used to investigate dose rates in a tissue mimicking phantom using 4D-CBCT and assess variability of contouring similarity metrics between 4D-CT and 4D-CBCT retrospective reconstructions. METHODS: A 125 kVp thoracic protocol was used. A phantom placed on a motion platform simulated a patient's breathing cycle. An ion chamber was affixed inside the phantom's tissue mimicking cavities (i...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047636/su-f-t-566-absolute-film-dosimetry-for-stereotactic-radiosurgery-and-stereotactic-body-radiotherapy-quality-assurance-using-gafchromic-ebt3-films
#19
N Wen, S Lu, Y Qin, Y Huang, B Zhao, C Liu, I Chetty
PURPOSE: To evaluate the dosimetric uncertainty associated with Gafchromic (EBT3) films and establish an absolute dosimetry protocol for Stereotactic Radiosurgery (SRS) and Stereotactic Body Radiotherapy (SBRT). METHODS: EBT3 films were irradiated at each of seven different dose levels between 1 and 15 Gy with open fields, and standard deviations of dose maps were calculated at each color channel for evaluation. A scanner non-uniform response correction map was built by registering and comparing film doses to the reference diode array-based dose map delivered with the same doses...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047080/su-d-bra-03-analysis-of-systematic-errors-with-2d-3d-image-registration-for-target-localization-and-treatment-delivery-in-stereotactic-radiosurgery
#20
H Xu, I Chetty, N Wen
PURPOSE: Determine systematic deviations between 2D/3D and 3D/3D image registrations with six degrees of freedom (6DOF) for various imaging modalities and registration algorithms on the Varian Edge Linac. METHODS: The 6DOF systematic errors were assessed by comparing automated 2D/3D (kV/MV vs. CT) with 3D/3D (CBCT vs. CT) image registrations from different imaging pairs, CT slice thicknesses, couch angles, similarity measures, etc., using a Rando head and a pelvic phantom...
June 2016: Medical Physics
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