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Morphological assessment

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https://www.readbyqxmd.com/read/28645053/assessment-of-imaging-in-flow-system-flowcam-for-systematic-ballast-water-management
#1
Leonardo Romero-Martínez, Cees van Slooten, Enrique Nebot, Asunción Acevedo-Merino, Louis Peperzak
Assessing the disinfection of ballast water and its compliance with international standards requires determining the size, viability, and concentration of planktonic organisms. The FlowCAM (Flow Cytometer and Microscope) is an Imaging Flow Cytometry designed to obtain the particle concentration, images, and quantitative morphologic information. The objective in this paper is to establish the basis for transforming the FlowCAM from being a laboratory analyzer into a tool for systematic monitoring of ballast water...
June 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28645027/validity-of-the-growth-model-of-the-computerized-visual-perception-assessment-tool-for-chinese-characters-structures
#2
Huey-Min Wu, Cheng-Hsaun Li, Bor-Chen Kuo, Yu-Mao Yang, Chin-Kai Lin, Wei-Hsiang Wan
Morphological awareness is the foundation for the important developmental skills involved with vocabulary, as well as understanding the meaning of words, orthographic knowledge, reading, and writing. Visual perception of space and radicals in two-dimensional positions of Chinese characters' morphology is very important in identifying Chinese characters. The important predictive variables of special and visual perception in Chinese characters identification were investigated in the growth model in this research...
June 20, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28644009/multi-harmonic-imaging-in-the-second-near-infrared-window-of-nanoparticle-labeled-stem-cells-as-monitoring-tool-in-tissue-depth
#3
Laurence Dubreil, Isabelle Leroux, Mireille Ledevin, Cindy Schleder, Lydie Lagalice, Claire Lovo, Romain Fleurisson, Solène Passemard, Vasyl Kilin, Sandrine Gerber-Lemaire, Marie-Anne Colle, Luigi Bonacina, Karl Rouger
In order to assess the therapeutic potential of cell-based strategies, it is of paramount importance to elaborate and validate tools for monitoring the behavior of injected cells in terms of tissue dissemination and engraftment properties. Here, we apply Bismuth Ferrite harmonic nanoparticles (BFO HNPs) to \textit{in vitro} expanded human skeletal muscle-derived stem cells (hMuStem cells), an attractive therapeutic avenue for patients suffering from Duchenne Muscular Dystrophy (DMD). We demonstrate the possibility of stem cell labeling with HNPs...
June 23, 2017: ACS Nano
https://www.readbyqxmd.com/read/28643503/the-use-of-morphokinetic-as-a-predictor-of-implantation
#4
Alberto Tejera, Belén Aparicio-Ruiz, Marcos Meseguer
In recent years the increased efforts intended for improving future outcomes in the laboratory have focused mostly on the search of additional markers of embryo quality to add up present embryo selection criteria. Time-lapse system involves an alternative tool in assisted reproduction techniques, being able to improve the embryo selection from a dynamic and interactive approach while standard embryo assessment implies a subjective and static morphology evaluation and consequently reducing the information gained for embryo selection, time-lapse technology adds several morphokinetic parameters, providing additional input for embryo evaluation...
June 22, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28642973/estimating-the-magnitude-of-morphoscapes-how-to-measure-the-morphological-component-of-biodiversity-in-relation-to-habitats-using-geometric-morphometrics
#5
Diego Fontaneto, Martina Panisi, Mauro Mandrioli, Dario Montardi, Maurizio Pavesi, Andrea Cardini
Ecological indicators are currently developed to account for the different facets of loss of biological diversity due to direct or indirect effects of human activities. Most ecological indicators include species richness as a metric. Others, such as functional traits and phylogenetic diversity, account for differences in species, even when species richness is the same. Here, we describe and apply a different indicator, called morphoscape dimension, accounting for morphological variability across habitats in a geographical region...
August 2017: Die Naturwissenschaften
https://www.readbyqxmd.com/read/28642718/irinotecan-induced-gastrointestinal-dysfunction-is-associated-with-enteric-neuropathy-but-increased-numbers-of-cholinergic-myenteric-neurons
#6
Rachel M McQuade, Vanesa Stojanovska, Elizabeth L Donald, Ahmed A Rahman, Dean G Campelj, Raquel Abalo, Emma Rybalka, Joel C Bornstein, Kulmira Nurgali
Gastrointestinal dysfunction is a common side-effect of chemotherapy leading to dose reductions and treatment delays. These side-effects may persist up to 10 years post-treatment. A topoisomerase I inhibitor, irinotecan (IRI), commonly used for the treatment of colorectal cancer, is associated with severe acute and delayed-onset diarrhea. The long-term effects of IRI may be due to damage to enteric neurons innervating the gastrointestinal tract and controlling its functions. Balb/c mice received intraperitoneal injections of IRI (30 mg/kg(-1)) 3 times a week for 14 days, sham-treated mice received sterile water (vehicle) injections...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28642706/toll-like-receptor-4-modulates-small-intestine-neuromuscular-function-through-nitrergic-and-purinergic-pathways
#7
Valentina Caputi, Ilaria Marsilio, Silvia Cerantola, Mona Roozfarakh, Isabella Lante, Francesca Galuppini, Massimo Rugge, Eleonora Napoli, Cecilia Giulivi, Genny Orso, Maria Cecilia Giron
Objective: Toll-like receptors (TLRs) play a pivotal role in the homeostatic microflora-host crosstalk. TLR4-mediated modulation of both motility and enteric neuronal survival has been reported mainly for colon with limited information on the role of TLR4 in tuning structural and functional integrity of enteric nervous system (ENS) and in controlling small bowel motility. Methods: Male TLR4 knockout (TLR4(-/-), 9 ± 1 weeks old) and sex- and age-matched wild-type (WT) C57BL/6J mice were used for the experiments...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28642654/quantitative-evaluation-of-experimental-bone-regeneration-using-indentation-tests
#8
Valéria Trombini Vidotto, Nilza Alzira Batista, José Ricardo Lenzi Mariolani, William Dias Belangero
OBJECTIVES: To determine whether the macroindentation test can be applied to quantitatively assess bone regeneration. METHODS: A 3.2 mm diameter transverse monocortical defect was created on the medial aspect of both proximal metaphyses of the tibia of male Unib-WH rats. For the macroindentation tests, we used 5.00 mm diameter indenters with a 3.2 mm tip. Defect testing was performed 1 to 12 weeks following the surgical procedures to compare the hardness of the newly developed tissue over the 12-week study period...
March 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28642648/morphological-analysis-of-the-scapula-and-its-implications-in-bristow-latarjet-procedure
#9
Joana Daniela DE Oliveira Silva, Catarina Neves Damas, Márcia Christel DE Carvalho Sá, João Manuel Costa Ferreira Torres
OBJECTIVE: To assess which of two procedures, Bristow or Latarjet, is anatomically the most appropriate for the general population . METHODS: One thousand one hundred and thirty two shoulders were evaluated by an observer who measured the following coracoid process parameters - length, angle and minimum thickness - through Computed Tomography (CT) analysis. Statistical analysis was carried out by ANOVA and Bland-Altman tests . RESULTS: The mean length, angle and minimum thickness of the coracoid were 27...
January 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28642073/synthesis-of-biogenic-ag-pd-core-shell-nanoparticles-having-anti-cancer-anti-microbial-functions
#10
Wafa I Abdel-Fattah, M M Eid, Sh I Abd El-Moez, E Mohamed, Ghareib W Ali
Biogenic Ag@Pd core-shell nanoparticles were greenly synthesized within two plant extracts aiming at enhanced anticancer/bactericidal functions. These functions were verified for the two Pd@Ag biogenic core-shell nanoparticles (BCSnp) with constant Pd to several Ag contents. BCSnp were synthesized within two extracts of Almond nuts and Black Berry fruits, four samples each, through simple, low cost and echo friendly microwave route. The BCSnp Surface Plasmon Resonance (SPR) was detected via UV/visible spectrophotometer...
June 19, 2017: Life Sciences
https://www.readbyqxmd.com/read/28641844/the-in%C3%A2-vivo-morphology-of-post-infarct-ventricular-septal-defect-and-the-implications%C3%A2-for%C3%A2-closure
#11
Mark C K Hamilton, Jonathan C L Rodrigues, Robin P Martin, Nathan E Manghat, Mark S Turner
OBJECTIVES: The aim of this study was to define the dynamic in vivo morphology of post-infarct ventricular septal defect (PIVSD), which has not been previously described in living patients. BACKGROUND: PIVSD is a devastating complication of acute myocardial infarction. METHODS: The anatomic features of PIVSD, as demonstrated by computed tomography or magnetic resonance imaging, were retrospectively reviewed. RESULTS: Thirty-two PIVSDs were assessed, 16 left coronary artery and 16 right coronary artery PIVSDs...
June 26, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28641610/-biological-characteristics-of-microvesicles-secreted-by-human-peripheral-blood-hematopoietic-stem-cells
#12
Chen Liang, Jun-Hui Wang, Lei Deng, Lu Wang, Yi Wang, Ya-Jing Huang, Tie-Qiang Liu, Bo Cai, Hong-Li Zuo, Qi-Yun Sun, Jian-Hui Qiao, Chang-Lin Yu, Kai-Xun Hu, Hui-Sheng Ai, Mei Guo
OBJECTIVE: To investigate the effects of microvesicles(MV) isolated from human peripheral blood hematopoietic stem cells(PB-HSC) on immune regulation and hematopoiesis. METHODS: PB-HSCs were separated by density-gradient centrifugation and cultrued. The supernatants of PB-HSC at 48 h were harvested for isolation and purification of MV by using ultracentrifugation. The electron microscopy was used to observe the morphology of MV. The protein level in MV was quantified through bicinchoninic acid(BCA) protein assay...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641505/in-utero-exposure-to-di-n-butyl-phthalate-induces-morphological-and-biochemical-changes-in-rats-postpuberty
#13
Yuya Okayama, Shin Wakui, Michael F Wempe, Mitsuru Sugiyama, Masaya Motohashi, Tomoko Mutou, Hiroyuki Takahashi, Eisuke Kume, Hiroshi Ikegami
Pregnant Sprague-Dawley rats were orally administered di( n-butyl)phthalate (DBP; 100 mg/kg/day) on gestation days (GD) 12 to 21. We investigated the male offspring and probed morphological alterations in Sertoli cells at 7, 9, 14, and 17 weeks of age. Parameters assessed in this study included offspring number, sex ratios, body weights, testis weights, seminiferous tubule (ST) profile numbers and diameters, number of vimentin-labeled Sertoli cells, and both testosterone and follicle-stimulating hormone (FSH) levels...
June 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28641356/-tracheal-surgery
#14
Jan Volmerig, Erich Hecker
Surgery of the trachea is a specialised field in which many disciplines work jointly due to the variety of indications and the extended topography. Not only because of its particular functional importance, but also because of its complex morphology, anatomy and physiology, this organ represents a special therapeutic challenge. A variety of diseases require surgical procedures of the trachea; the therapeutic strategy is influenced both by the disease itself as well as patient-dependent parameters. Regardless of the nature of the underlying disorder, good results require a high level of expertise in airway management, a careful diagnosis and interventional planning as well as an experienced surgical team that masters extended operative techniques...
June 2017: Zentralblatt Für Chirurgie
https://www.readbyqxmd.com/read/28641285/role-of-glycyrrhizin-in-the-reduction-of-inflammation-in-diabetic-kidney-disease
#15
Vikram Thakur, Syeda Nargis, Mayra Gonzalez, Swetak Pradhan, Daniel Terreros, Munmun Chattopadhyay
BACKGROUND: Diabetic kidney disease (DKD) is one of the most debilitating complications of type 2 diabetes. Recent evidence suggests chronic inflammation to be one of the causal factors of DKD. The mechanisms entailed are not completely elucidated except that a variety of cytokines play a major role in this process. High mobility group box 1 (HMGB1) is a pro-inflammatory toll-like receptor-4 (TLR4)-binding cytokine that is involved in inflammation-associated gene expression. This investigation was designed to assess the involvement of HMGB1, TLR-4, and nuclear factor (NF)-κB in the development of DKD and to evaluate that whether blocking HMGB1 by its natural inhibitor Glycyrrhizin (GLC) can reduce the progression of the disease...
June 23, 2017: Nephron
https://www.readbyqxmd.com/read/28641178/stimulatory-effect-of-aggregatibacter-actinomycetemcomitans-dna-on-proinflammatory-cytokine-expression-by-human-gingival-fibroblasts
#16
Uriel Soto-Barreras, Gabriela Cortés-Sandoval, Ruben Dominguez-Perez, Alejandra Loyola-Leyva, Panfilo-Raymundo Martinez-Rodriguez, Juan Pablo Loyola-Rodriguez
OBJECTIVE: While different virulence factors have been reported of Aggregatibacter actinomycetemcomitans (Aa), there is little information about the stimulatory effect of its DNA. The main purpose of this study was to assess the inflammatory response of human gingival fibroblasts (HGFs) stimulated with A. actinomycetemcomitans DNA. DESIGN: Cytokine levels of IL-6, IL-1α and TNF-α were measured on the supernatant of HGFs activated with 10, 25, 50 and 100μg/ml DNA of Aa during 24h...
June 15, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28640659/phlda1-pleckstrin-homology-like-domain-family-a-member-1-knockdown-promotes-migration-and-invasion-of-mcf10a-breast-epithelial-cells
#17
Naieli Bonatto, Maria José Carlini, Simone Aparecida de Bessa Garcia, Maria Aparecida Nagai
PHLDA1 (pleckstrin homology-like domain, family A, member 1) is a multifunctional protein that plays distinct roles in several biological processes including cell death and therefore its altered expression has been identified in different types of cancer. Progressively loss of PHLDA1 was found in primary and metastatic melanoma while its overexpression was reported in intestinal and pancreatic tumors. Previous work from our group showed that negative expression of PHLDA1 protein was a strong predictor of poor prognosis for breast cancer disease...
June 22, 2017: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/28640353/ecology-of-the-non-native-snail-sinotaia-cf-quadrata-caenogastropoda-viviparidae-a-study-in-a-lowland-stream-of-south-america-with-different-water-qualities
#18
Ana Clara Ferreira, Estefanía L Paz, Alejandra Rumi, Carolina Ocon, Paula Altieri, Alberto Rodrigues Capítulo
Sinotaia quadrata is a snail native from Asia recorded for the first time in South America in 2009 in central Argentina. In 2015, this species was also found in a lowland stream with different water qualities. Our aims were to contribute to the knowledge of its population ecology and to compare the individuals from the two locations anatomically. Snails were searched at 6 sites, where physicochemical and hydraulic parameters were measured. Biological samples were also taken at two sites (S3 and S4) to study the population traits of S...
April 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28639984/impact-of-implant-surface-micropatterns-on-epithelial-cell-behavior
#19
Yiping Tong, Zhengyu Yang, Ruoxi Du, Siqian Wang, Qiaozhen Zhou, Chongyun Bao, Jianfeng Ma
PURPOSE: This study investigated the effect of topography on cell behavior by screening polydimethylsiloxane (PDMS) molds with different nanoscale micropatterns to determine the ideal surface characteristics for attachment of human epithelial cells. MATERIALS AND METHODS: A soft PDMS mold with regular dot arrays was fabricated based on an aluminum oxide template with ordered nanotube arrays and used as a substrate for cell culture. Cell proliferation, spread, and morphology, as well as features of the extracellular matrix and the actin cytoskeleton were assessed...
June 19, 2017: Implant Dentistry
https://www.readbyqxmd.com/read/28639927/carotid-artery-plaque-vulnerability-assessment-using-noninvasive-ultrasound-elastography-validation-with-mri
#20
Marie-Hélène Roy Cardinal, Maarten H G Heusinkveld, Zhao Qin, Richard G P Lopata, Cyrille Naim, Gilles Soulez, Guy Cloutier
OBJECTIVE: Vulnerable and nonvulnerable carotid artery plaques have different tissue morphology and composition that may affect plaque biomechanics. The objective of this study is to evaluate plaque vulnerability with the use of ultrasound noninvasive vascular elastography (NIVE). MATERIALS AND METHODS: Thirty-one patients (mean [± SD] age, 69 ± 7 years) with stenosis of the internal carotid artery of 50% or greater were enrolled in this cross-sectional study...
July 2017: AJR. American Journal of Roentgenology
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