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https://www.readbyqxmd.com/read/28319326/altered-defecatory-behaviour-and-faecal-incontinence-in-a-video-tracked-animal-model-of-pudendal-neuropathy
#1
Liam A Devane, Eric Lucking, Judith Evers, Maria Buffini, S Mark Scott, Charles H Knowles, P Ronan O'Connell, James F X Jones
AIMS: To develop a behavioural animal model of faecal continence and assess the effect of retrouterine balloon inflation (RBI) injury. RBI in the rat causes pudendal neuropathy, a risk factor for obstetric related faecal incontinence in humans. METHOD: Video-tracking healthy rats (n=12) in a cage containing a latrine box was used to monitor their defaecatory behaviour index (DBI) over 2 weeks. DBI (range 0 - 1) was devised by dividing the defaecation rate (pellets/hour) outside the latrine by that of the whole cage...
March 20, 2017: Colorectal Disease: the Official Journal of the Association of Coloproctology of Great Britain and Ireland
https://www.readbyqxmd.com/read/28318811/st-elevation-myocardial-infarction-after-penetrating-thoracic-trauma
#2
Kiran Faryar, Michael P Flaherty, Martin Huecker
BACKGROUND: ST-segment elevation myocardial infarction (STEMI) may complicate penetrating thoracic trauma. CASE REPORT: This report describes a 42-year-old man who sustained a self-inflicted gunshot wound to the left chest. Electrocardiogram showed ST elevation in the inferior leads. Emergent catheterization was not recommended and conservative management was initiated. Cardiac catheterization 4 days later showed no perturbation of the coronary arteries, neither atherosclerotic nor traumatic...
March 17, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28317954/surface-chemistry-of-pure-tetragonal-zro2-and-gas-phase-dependence-of-the-tetragonal-to-monoclinic-zro2-transformation
#3
Eva-Maria Köck, Michaela Kogler, Thomas Götsch, Lukas Schlicker, Maged F Bekheet, Andrew Doran, Aleksander Gurlo, Bernhard Klötzer, Benedikt Petermüller, Daniel Schildhammer, Nevzat Yigit, Simon Penner
The surface chemical properties of undoped tetragonal ZrO2 and the gas-phase dependence of the tetragonal-to-monoclinic transformation are studied using a tetragonal ZrO2 polymorph synthesized via a sol-gel method from an alkoxide precursor. The obtained phase-pure tetragonal ZrO2 is defective and strongly hydroxylated with pronounced Lewis acidic and Brønsted basic surface sites. Combined in situ FT-infrared and electrochemical impedance measurements reveal effective blocking of coordinatively unsaturated sites by both CO and CO2, as well as low conductivity...
March 20, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28316244/electronic-properties-of-bimetallic-metal-organic-frameworks-mofs-tailoring-density-of-electronic-states-through-mof-modularity
#4
Ekaterina A Dolgopolova, Amy J Brandt, Otega Ejegbavwo, Audrey S Duke, Thathsara D Maddumapatabandi, Randima P Galhenage, Bryon W Larson, Obadiah Reid, Salai Cheettu Ammal, Andreas Heyden, Mvs Chandrashekhar, Vitalie Stavila, Donna A Chen, Natalia B Shustova
Development of porous well-defined hybrid materials (e.g., metal-organic frameworks (MOFs)) will add a new dimension to a wide number of applications ranging from supercapacitors and electrodes to "smart" membranes and thermoelectrics. From this perspective, understanding and tailoring electronic properties of MOFs is a key fundamental challenge that could unlock the full potential of these materials. In this work, we focused on the fundamental insights responsible for the electronic properties of three distinct classes of bimetallic systems, Mx-yM'y-MOFs, MxM'y-MOFs, and Mx(ligand-M'y)-MOFs, in which the second metal (M') incorporation occurs through: (i) metal (M) replacement in the framework nodes (type I), (ii) metal node extension (type II), and (iii) metal coordination to the organic ligand (type III), respectively...
March 18, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28315945/organization-of-the-reach-and-grasp-in-head-fixed-vs-freely-moving-mice-provides-support-for-multiple-motor-channel-theory-of-neocortical-organization
#5
Ian Q Whishaw, Jamshid Faraji, Jessica Kuntz, Behroo Mirza Agha, Mukt Patel, Gerlinde A S Metz, Majid H Mohajerani
Multiple motor channel (MMC) theory of neocortical organization proposes that complex movements, such as reaching for a food item to eat, are produced by the coordinated action of separate neural channels. For example, the human reach-to-grasp act is mediated by two visuo-parieto-motor cortex channels, one for the reach and one for the grasp. The present analysis asked whether there is a similar organization of reach-and-grasp movements in the mouse. The reach-to-eat movements of the same mice were examined from high-shutter speed, frame-by-frame video analysis in three tasks in which the mice obtained equivalent success scores: when freely-moving reaching for food pellets, when head-fixed reaching for food pellets, and when head-fixed reaching for pieces of pasta...
March 18, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28314195/treatment-of-contaminated-greywater-using-pelletised-mine-water-sludge
#6
Suhail N Abed, Suhad A Almuktar, Miklas Scholz
Precipitated sludge (ochre) obtained from a mine water treatment plant was considered as an adsorbent substance for pollutants, since ochre is relatively free from problematic levels of toxic elements, which could impair on the quality of water to be treated. Artificially created ochre pellets from mixing Portland cement with raw ochre sludge were utilised to remediate either high (HC) or low (LC) contaminated synthetic greywater (SGW) in mesocosm-scale stabilisation ponds at 2-day and 7-day contact times under real weather conditions in Salford...
March 14, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28306532/evaluation-of-the-sub-chronic-toxicity-profile-of-the-corm-of-xanthosoma-sagittifolium-on-hematology-and-biochemistry-of-alloxan-induced-diabetic-wistar-rats
#7
Olayinka A Oridupa, Oluyemisi F Folasire, Adedotun J Owolabi
Background Hematological and biochemical changes associated with diabetes mellitus and probable reversal were assessed in alloxan-induced diabetic Wistar rats fed with varied percentages of Xanthosoma sagittifolium corm feed (Xs). The changes were compared to normoglycemic rats and diabetic rats treated with glibenclamide. Methods The study had eight groups in all with group 8 (control) consisting of five normoglycemic rats fed with normal rat pellets (Nrp). Diabetes was experimentally induced by intraperitoneal injection of alloxan to normoglycemic rats...
March 11, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/28306520/assessment-of-real-time-pcr-method-for-detection-of-egfr-mutation-using-both-supernatant-and-cell-pellet-of-malignant-pleural-effusion-samples-from-non-small-cell-lung-cancer-patients
#8
Saeam Shin, Juwon Kim, Yoonjung Kim, Sun-Mi Cho, Kyung-A Lee
BACKGROUND: EGFR mutation is an emerging biomarker for treatment selection in non-small-cell lung cancer (NSCLC) patients. However, optimal mutation detection is hindered by complications associated with the biopsy procedure, tumor heterogeneity and limited sensitivity of test methodology. In this study, we evaluated the diagnostic utility of real-time PCR using malignant pleural effusion samples. METHODS: A total of 77 pleural fluid samples from 77 NSCLC patients were tested using the cobas EGFR mutation test (Roche Molecular Systems)...
March 17, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28302575/male-rats-play-a-repeated-donation-game
#9
Grace Li, Ruth I Wood
While previous studies have demonstrated direct and generalized reciprocity in female Norway rats [26], the present study determined if unrelated male laboratory rats respond on behalf of a partner in an iterated sequential game. Pairs of rats worked for food reward in an operant chamber, where participants alternated as Donor and Responder in successive trials. In each trial, the Donor chose between variable and constant reward levers, where the constant reward lever delivered 1 pellet, and the variable reward lever triggered insertion of Responder lever(s); the Donor received 2 pellets when the Responder made any response...
March 14, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28300144/fast-detection-of-tobacco-mosaic-virus-infected-tobacco-using-laser-induced-breakdown-spectroscopy
#10
Jiyu Peng, Kunlin Song, Hongyan Zhu, Wenwen Kong, Fei Liu, Tingting Shen, Yong He
Tobacco mosaic virus (TMV) is one of the most devastating viruses to crops, which can cause severe production loss and affect the quality of products. In this study, we have proposed a novel approach to discriminate TMV-infected tobacco based on laser-induced breakdown spectroscopy (LIBS). Two different kinds of tobacco samples (fresh leaves and dried leaf pellets) were collected for spectral acquisition, and partial least squared discrimination analysis (PLS-DA) was used to establish classification models based on full spectrum and observed emission lines...
March 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28298973/effect-of-different-mixing-and-placement-methods-on-the-quality-of-mta-apical-plug-in-simulated-apexification-model
#11
Negin Ghasemi, Maryam Janani, Tahmineh Razi, Faezeh Atharmoghaddam
BACKGROUND: It is necessary apical plug material to exhibit proper adaptation with the root canal walls. Presence of voids at the interface between the root canal wall and this material result in micro leakage, which might have a relationship with post treatment disease. The aim of the present study was to evaluate the effect of different mixing (manual and ultrasonic) and placement (manual and manual in association with indirect ultrasonic) method of Mineral Trioxide Aggregate (MTA) on the void count and dimension in the apical plug in natural teeth with simulated open apices...
March 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28298542/lipid-emulsion-added-to-a-liquid-high-carbohydrate-diet-and-voluntary-running-exercise-reduce-lipogenesis-and-ameliorate-early-stage-hepatic-steatosis-in-mice
#12
Kuan-Hsun Huang, Lei Hao, Philip B Smith, Connie J Rogers, Andrew D Patterson, A Catharine Ross
Background: The use of parenteral nutrition formulas is often associated with the development of hepatic steatosis. We have shown previously that the addition of a lipid emulsion (LE) rich in n-6 (ω-6) fatty acids (FAs) ameliorated triglyceride (TG) accumulation in the livers of nonobese mice fed a high-carbohydrate diet (HCD) for 5 wk. However, it remains unclear how rapidly this condition develops and whether it can be prevented by LE with or without a running wheel for voluntary exercise (Exe).Objective: We investigated in an 8-d study whether mice develop steatosis and whether the administration of LE with or without Exe reduces the concentration of total FAs and prevents an increase in the expression of genes in the liver associated with lipogenesis...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28294131/structural-and-functional-plasticity-within-the-nucleus-accumbens-and-prefrontal-cortex-associated-with-time-dependent-increases-in-food-cue-seeking-behavior
#13
Paige M Dingess, Rebecca A Darling, Rifka C Derman, Shaun S Wulff, Melissa L Hunter, Carrie R Ferrario, Travis E Brown
Urges to consume food can be driven by stimuli in the environment that are associated with previous food experience. Identifying adaptations within brain reward circuits that facilitate cue-induced food seeking is critical for understanding and preventing the overconsumption of food and subsequent weight gain. Utilizing electrophysiological, biochemical, and DiI labeling we examined functional and structural changes in the nucleus accumbens (NAc) and prefrontal cortex (PFC) associated with time-dependent increases in food craving ('incubation of craving')...
March 15, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28292847/human-umbilical-cord-blood-borne-fibroblasts-contain-marrow-niche-precursors-that-form-a-bone-marrow-organoid-in-vivo
#14
Alice Pievani, Benedetto Sacchetti, Alessandro Corsi, Benedetta Rambaldi, Samantha Donsante, Valeria Scagliotti, Patrizia Vergani, Cristina Remoli, Andrea Biondi, Pamela G Robey, Mara Riminucci, Marta Serafini
Human umbilical cord blood (CB) has attracted much attention as a reservoir for functional hematopoietic stem and progenitor cells, and, recently, as a source of blood-borne fibroblasts (CB-BFs). Previously, we demonstrated that bone marrow stromal cell (BMSC) and CB-BF pellet cultures make cartilage in vitro Furthermore, upon in vivo transplantation, BMSC pellets remodelled into miniature bone/marrow organoids. Using this in vivo model, we asked whether CB-BF populations that express characteristics of the hematopoietic stem cell (HSC) niche contain precursors that reform the niche...
March 15, 2017: Development
https://www.readbyqxmd.com/read/28292669/performance-of-a-microalgal-photobioreactor-treating-toilet-wastewater-pharmaceutically-active-compound-removal-and-biomass-harvesting
#15
Andrea Hom-Diaz, Adrián Jaén-Gil, Iris Bello-Laserna, Sara Rodríguez-Mozaz, Teresa Vicent, Damià Barceló, Paqui Blánquez
In this study, a 1200L outdoor pilot scale microalgal photobioreactor (PBR) was used for toilet wastewater (WW) treatment and evaluate its ability to remove pharmaceutically active compounds (PhACs). The PBR was operated at two different hydraulic retention times (HRTs), which were 8 and 12days, during Period I (September-October) and Period II (October-December), respectively. Algal biomass concentrations varied by operating period because of seasonal changes. Nutrients (ammonia, nitrogen and total phosphorous) and chemical oxygen demand (COD) were monitored and efficiently removed in both periods (>80%), attaining the legislation limits...
March 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28292386/histopathological-changes-in-arsenic-kushta-induced-nephrotoxicity-in-wistar-rats
#16
(no author information available yet)
OBJECTIVE: To determine the nephrotoxic effects of arsenic kushta (Kushta Sam-ul-Far) in Wistar rats. STUDY DESIGN: Experimental study. PLACE AND DURATION OF STUDY: Department of Morbid Anatomy and Histopathology, University of Health Sciences, Lahore from May to August 2014. METHODOLOGY: This experimental study was conducted on 48 healthy Wistar rats, each weighing 200 - 250 grams. The rats were randomly divided into 4 experimental groups each containing 12 rats...
February 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28291252/influence-of-ad-libitum-feeding-of-piglets-with-bacillus-subtilis-fermented-liquid-feed-on-gut-flora-luminal-contents-and-health
#17
Yuyong He, Chunxia Mao, Hong Wen, Zhiyu Chen, Tao Lai, Lingyu Li, Wei Lu, Huadong Wu
Some scholars caution that long-term ad libitum feeding with probiotic fermented food poses potential health risks to baby animals. We conducted a feeding experiment to investigate the influence of ad libitum feeding of pre-and post-weaned piglets with a Bacillus subtilis fermented diet on the gut microbiome, gut metabolomic profiles, bile acid metabolism, proinflammatory cytokines and faecal consistency. Compared with piglets fed a Bacillus subtilis-supplemented pellet diet, piglets fed the Bacillus subtilis fermented liquid diet had lower intestinal bacterial diversity (P > 0...
March 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28288810/cognitive-behavior-and-sensory-function-were-significantly-influenced-by-restoration-of-active-ovarian-function-in-postreproductive-mice
#18
Kate C Parkinson, Rhett L Peterson, Jeffrey B Mason
In mammals, the relationship between reproductive function and health has been particularly difficult to define. Previously, in old, postreproductive-aged mice, replacement of senescent ovaries with new ovaries from young, actively cycling mice increased life span. We hypothesized that the same factors that increased life span would also influence health span. In the current experiments, we tested two of the seven domains of function/health, sensory function and cognition to determine if exposure of postreproductive female mice to young transplanted ovaries influenced health span...
March 10, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28288292/plasma-level-formaldehyde-in-children-receiving-pulpotomy-treatment-under-general-anesthesia
#19
Majid Bagrizan, Pouya Pourgolshani, Sepanta Hosseinpour, Golnoush Jalalpour, Mostafa Zahmatkesh Shahrestani
OBJECTIVES: Formocresol has long been used by dentists for pulpotomy of primary teeth. Due to some concerns regarding its possible carcinogenicity, formocresol has been the topic of numerous studies. This study sought to assess the changes in plasma level of formaldehyde of children after receiving pulpotomy under general anesthesia. STUDY DESIGN: Twenty-five children between 2-6 years requiring dental treatments under general anesthesia were studied. Blood samples were taken of children before and after the procedure...
2017: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/28287564/feeding-experimentation-device-fed-construction-and-validation-of-an-open-source-device-for-measuring-food-intake-in-rodents
#20
Katrina P Nguyen, Mohamed A Ali, Timothy J O'Neal, Ilona Szczot, Julia A Licholai, Alexxai V Kravitz
Food intake measurements are essential for many research studies. Here, we provide a detailed description of a novel solution for measuring food intake in mice: the Feeding Experimentation Device (FED). FED is an open-source system that was designed to facilitate flexibility in food intake studies. Due to its compact and battery powered design, FED can be placed within standard home cages or other experimental equipment. Food intake measurements can also be synchronized with other equipment in real-time via FED's transistor-transistor logic (TTL) digital output, or in post-acquisition processing as FED timestamps every event with a real-time clock...
February 21, 2017: Journal of Visualized Experiments: JoVE
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