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https://www.readbyqxmd.com/read/27893682/peritoneal-dialysis-related-peritonitis-due-to-halomonas-hamiltonii-a-first-case-report
#1
Se Hwan Yeo, Jae Hoon Kwak, Yeo Un Kim, Jin Suk Lee, Hyo Jin Kim, Kyoung Hwa Park, Jung Sook Lee, Gyoung Yim Ha, Jeong Ho Lee, Jun Yeop Lee, Kyung Don Yoo
INTRODUCTION: Halomonas hamiltonii is a Gram-negative, halophilic, motile, and nonspore-forming rod bacterium. Although most Halomonas sp. are commonly found in saline environments, it has rarely been implicated as a cause of human infection. Herein, the authors present a case report of continuous ambulatory peritoneal dialysis (CAPD)-related peritonitis attributed to H hamiltonii. CASE PRESENTATION: An 82-year-old male patient who had been receiving CAPD therapy presented to an emergency department with complaints of abdominal pain and cloudy dialysate that had persisted for 2 days...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27891815/quantitative-t1-mapping-detects-cloudy-enhancing-tumor-compartments-predicting-outcome-of-patients-with-glioblastoma
#2
Andreas Müller, Alina Jurcoane, Sied Kebir, Philip Ditter, Felix Schrader, Ulrich Herrlinger, Theophilos Tzaridis, Burkhard Mädler, Hans H Schild, Martin Glas, Elke Hattingen
Contrast enhancement of glioblastomas (GBM) is caused by the decrease in relaxation time, T1. Here, we demonstrate that the quantitative measurement of T1 (qT1) discovers a subtle enhancement in GBM patients that is invisible in standard MRI. We assessed the volume change of this "cloudy" enhancement during radio-chemotherapy and its impact on patients' progression-free survival (PFS). We enrolled 18 GBM patients in this observational, prospective cohort study and measured 3T-MRI pre- and post contrast agent with standard T1-weighted (T1w) and with sequences to quantify T1 before radiation, and at 6-week intervals during radio-chemotherapy...
November 28, 2016: Cancer Medicine
https://www.readbyqxmd.com/read/27885820/coupling-of-homogeneous-liquid-liquid-extraction-and-dispersive-liquid-liquid-microextraction-for-the-extraction-and-preconcentration-of-polycyclic-aromatic-hydrocarbons-from-aqueous-samples-followed-by-gc-with-flame-ionization-detection
#3
Mir Ali Farajzadeh, Elahe Behboudi Khiavi, Parisa Khorram, Mohammad Reza Afshar Mogaddam
In the present study a simple and rapid method for the extraction and preconcentration of some polycyclic aromatic hydrocarbons in water samples has been developed. In this method two sample preparation methods were combined to obtain high extraction recoveries and enrichment factors for sensitive analysis of the selected analytes. In the first stage of the method, a homogeneous solution containing an aqueous solution and cyclohexyl amine is broken by addition of a salt. After centrifugation, the upper collected phase containing the extracted analytes is subjected to the following dispersive liquid-liquid microextraction method...
November 25, 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27876965/histopathological-study-of-gill-kidney-and-liver-of-persian-sturgeon-acipenser-persicus-borodin-1897-and-stellate-acipenser-stellatus-pallas-1811-exposed-to-sublethal-concentration-of-un-ionised-ammonia-uan
#4
Elham Sadat Banihashemi, Hossein Khara, Zabiyollah Pajand, Mohammad Rahnandeh
This study was carried out to investigate the histopathological changes of gill, kidney and liver of Persian Sturgeon and Stellate in response to various sublethal concentration of ammonia. The sublethal doses were determined after a lethal pre-test and then the experiment was done in six treatments with three replicates for both species. In Persian sturgeon, the treatments were including 5, 7, 9.7, 13.2, 18 and 25 mg/l ammonia. In stellate, the concentrations of 5, 6.23, 7.76, 9.66, 12.04 and 15 mg/l ammonia were considered as treatments...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27876143/a-dispersive-liquid-liquid-microextraction-using-a-switchable-polarity-dispersive-solvent-automated-hplc-fld-determination-of-ofloxacin-in-chicken-meat
#5
Irina Timofeeva, Semen Timofeev, Leonid Moskvin, Andrey Bulatov
In this article, dispersive liquid-liquid microextraction (DLLME), based on the use of so-called switchable polarity dispersive solvent (SPDS) for microextraction, is presented for the first time. The new extraction technique makes use of a mixture of extraction solvent (dichloromethane) and the SPDS (acrylic acid). This mixture is injected into the aqueous sample solution, which was previously fortified with the alkaline agent (NaOH). The SPDS is dissolved in aqueous phase and a cloudy solution consisting of fine droplets of extraction solvent fully dispersed in the aqueous phase is observed...
January 1, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/27858945/-my-baby-had-cataracts-now-has-cloudy-eyes
#6
Helen H Yeung
No abstract text is available yet for this article.
November 1, 2016: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/27846600/single-molecule-optomechanics-in-picocavities
#7
Felix Benz, Mikolaj K Schmidt, Alexander Dreismann, Rohit Chikkaraddy, Yao Zhang, Angela Demetriadou, Cloudy Carnegie, Hamid Ohadi, Bart de Nijs, Ruben Esteban, Javier Aizpurua, Jeremy J Baumberg
Trapping light with noble metal nanostructures overcomes the diffraction limit and can confine light to volumes typically on the order of 30 cubic nanometers. We found that individual atomic features inside the gap of a plasmonic nanoassembly can localize light to volumes well below 1 cubic nanometer ("picocavities"), enabling optical experiments on the atomic scale. These atomic features are dynamically formed and disassembled by laser irradiation. Although unstable at room temperature, picocavities can be stabilized at cryogenic temperatures, allowing single atomic cavities to be probed for many minutes...
November 11, 2016: Science
https://www.readbyqxmd.com/read/27828068/development-of-a-fast-and-accurate-pcrtm-radiative-transfer-model-in-the-solar-spectral-region
#8
Xu Liu, Qiguang Yang, Hui Li, Zhonghai Jin, Wan Wu, Susan Kizer, Daniel K Zhou, Ping Yang
A fast and accurate principal component-based radiative transfer model in the solar spectral region (PCRTM-SOLAR) has been developed. The algorithm is capable of simulating reflected solar spectra in both clear sky and cloudy atmospheric conditions. Multiple scattering of the solar beam by the multilayer clouds and aerosols are calculated using a discrete ordinate radiative transfer scheme. The PCRTM-SOLAR model can be trained to simulate top-of-atmosphere radiance or reflectance spectra with spectral resolution ranging from 1  cm<sup>-1</sup> resolution to a few nanometers...
October 10, 2016: Applied Optics
https://www.readbyqxmd.com/read/27816524/nest-predation-and-maternal-care-in-the-nile-crocodile-crocodylus-niloticus-at-lake-st-lucia-south-africa
#9
Xander Combrink, Jonathan K Warner, Colleen T Downs
Information regarding nest predation, nest abandonment, and maternal care in the Nile crocodile (Crocodylus niloticus) is largely restricted to anecdotal observations, and has not been studied quantitatively. Consequently, we investigated their nesting biology using camera-traps over four years at Lake St Lucia, South Africa. We obtained 4305 photographs (daylight captures=90.1%, nocturnal=9.9%) of 19 nest-guarding females. Of 19 monitored nests, 37% were raided by predators (mean=12.1±6.2days subsequent to camera placement)...
December 2016: Behavioural Processes
https://www.readbyqxmd.com/read/27807134/optimizing-countershading-camouflage
#10
Innes C Cuthill, N Simon Sanghera, Olivier Penacchio, Paul George Lovell, Graeme D Ruxton, Julie M Harris
Countershading, the widespread tendency of animals to be darker on the side that receives strongest illumination, has classically been explained as an adaptation for camouflage: obliterating cues to 3D shape and enhancing background matching. However, there have only been two quantitative tests of whether the patterns observed in different species match the optimal shading to obliterate 3D cues, and no tests of whether optimal countershading actually improves concealment or survival. We use a mathematical model of the light field to predict the optimal countershading for concealment that is specific to the light environment and then test this prediction with correspondingly patterned model "caterpillars" exposed to avian predation in the field...
November 2, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27790302/urinary-mycobacterium-avium-presenting-as-sterile-pyuria
#11
Kai Yang, Mary Samplaski, Tony Mazzulli, Kirk Lo, Ethan Grober, Keith Allen Jarvi
A 65-year-old healthy woman presented with persistent, asymptomatic sterile pyuria detected by her family physician. While she did not have symptoms, the patient recounts that she has had cloudy urine for years. Cultures of the urine for bacteria showed no growth and no fungi were identified. First-morning urine samples were sent for both tuberculosis and nontuberculosis mycobacterium species testing. The culture grew genotypically identified Mycobaterium avium complex (MAC). Mantoux skin testing was positive...
May 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/27785556/-influence-of-the-donor-age-on-graft-survival-is-the-demographic-change-also-important-for-corneal-tissue-donation
#12
REVIEW
N Hofmann, M Derks, M Börgel, K Engelmann
The success of corneal transplantation highly depends on the quality of the used graft. Various factors play a crucial role such as a perfect stroma without optically relevant, centrally located cloudiness or changes (e. g. scars) or an adherent Descemet membrane. One of the most important parameters is the quality of the endothelial cell layer with a sufficiently large endothelial cell count. An open question is so far whether the donor age affects corneal quality and therefore has an impact on the success of transplantation...
October 26, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27784921/protein-rich-beverage-developed-using-non-gm-soybean-r08-4004-and-evaluated-for-sensory-acceptance-and-shelf-life
#13
Quyen Nguyen, Navam Hettiarachchy, Srinivas Rayaprolu, Han-Seok Seo, Ronny Horax, Pengyin Chen, Thallapuranam K Suresh Kumar
Protein beverages have been in demand due to an increasing consumers' interest in healthy eating habit. However, there is an increased concern on the use of genetic modified (GM) ingredient in the food product. This study aimed to develop protein hydrolysate beverages using a non-GM soybean (R08-4004/high protein line) grown in Arkansas. Protein isolate was prepared from the soybean using alkaline method (pH 9.5). Due to its poor solubility in acidic condition, alcalase 2.4 L (food grade protease) hydrolyzed soy protein was used to develop a beverage containing 20 g protein per serving (500 mL)...
August 2016: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/27783764/effects-of-changes-in-micro-weather-conditions-on-structural-features-total-protein-and-carbohydrate-content-in-leaves-of-the-atlantic-rain-forest-tree-golden-trumpet-tabebuia-chrysotricha
#14
B B Moura, P H Almeida, A G Balliana, J Y G Cobos, M Erbano, K A do Prado, S M Vudala, L Wosch, A B Pereira-Netto
Golden trumpet, Tabebuia chrysotricha, is a native tree from the Brazilian Atlantic rain forest, with a broad latitudinal distribution. In this study, we investigated the potential effects of short-term changes in micro-weather conditions on structural features, and total protein and carbohydrate content of golden trumpet leaves, using structural and histochemical approaches. Leaves were harvested in four different micro-weather conditions: 1. Afternoon, after a hot, sunny day; 2. at dawn, after a previously hot, sunny day; 3...
October 24, 2016: Brazilian Journal of Biology, Revista Brasleira de Biologia
https://www.readbyqxmd.com/read/27780282/clinical-images-a-cloudy-skull-hypophosphatasia-as-reason-for-copper-beaten-skull
#15
Martin Poryo, Sascha Meyer, Regina Eymann, Umut Yilmaz, Sogand Nemat, Tilman Rohrer
No abstract text is available yet for this article.
December 2016: Neuropediatrics
https://www.readbyqxmd.com/read/27773274/sono-photo-degradation-of-carbamazepine-in-a-thin-falling-film-reactor-operation-costs-in-pilot-plant
#16
A J Expósito, D A Patterson, J M Monteagudo, A Durán
The photo-Fenton degradation of carbamazepine (CBZ) assisted with ultrasound radiation (US/UV/H2O2/Fe) was tested in a lab thin film reactor allowing high TOC removals (89% in 35min). The synergism between the UV process and the sonolytic one was quantified as 55.2%. To test the applicability of this reactor for industrial purposes, the sono-photo-degradation of CBZ was also tested in a thin film pilot plant reactor and compared with a 28L UV-C conventional pilot plant and with a solar Collector Parabolic Compound (CPC)...
January 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/27771100/centrifuge-less-dispersive-liquid-liquid-microextraction-base-on-the-solidification-of-switchable-solvent-for-rapid-on-site-extraction-of-four-pyrethroid-insecticides-in-water-samples
#17
Lu Hu, Huazi Wang, Heng Qian, Chaoran Liu, Runhua Lu, Sanbing Zhang, Wenfeng Zhou, Haixiang Gao, Donghui Xu
An on-site dispersive liquid liquid microextraction base on the solidification of switchable solvent has been developed as a simple, rapid and eco-friendly sample extraction method for the fast determination of pyrethroid insecticides in aqueous samples using high-performance liquid chromatography with ultraviolet detection. In this extraction method, medium-chain saturated fatty acids (n≥10), which can rapidly solidify at low temperatures (<20°C), were investigated as switchable hydrophilic solvents...
October 11, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/27757425/comparative-cranial-morphology-in-living-and-extinct-platypuses-feeding-behavior-electroreception-and-loss-of-teeth
#18
Masakazu Asahara, Masahiro Koizumi, Thomas E Macrini, Suzanne J Hand, Michael Archer
The modern platypus, Ornithorhynchus anatinus, has an eye structure similar to aquatic mammals; however, platypuses also have a "sixth sense" associated with the bill electro- and mechanoreception that they use without opening their eyes underwater. We hypothesize that Ornithorhynchus and the Miocene taxon Obdurodon have different sensory capacities, which may have resulted from differences in foraging behavior. To estimate differences in foraging, sensory systems, and anatomical divergence between these monotremes, we compared their skull morphologies...
October 2016: Science Advances
https://www.readbyqxmd.com/read/27702889/black-carbon-solar-absorption-suppresses-turbulence-in-the-atmospheric-boundary-layer
#19
Eric M Wilcox, Rick M Thomas, Puppala S Praveen, Kristina Pistone, Frida A-M Bender, Veerabhadran Ramanathan
The introduction of cloud condensation nuclei and radiative heating by sunlight-absorbing aerosols can modify the thickness and coverage of low clouds, yielding significant radiative forcing of climate. The magnitude and sign of changes in cloud coverage and depth in response to changing aerosols are impacted by turbulent dynamics of the cloudy atmosphere, but integrated measurements of aerosol solar absorption and turbulent fluxes have not been reported thus far. Here we report such integrated measurements made from unmanned aerial vehicles (UAVs) during the CARDEX (Cloud Aerosol Radiative Forcing and Dynamics Experiment) investigation conducted over the northern Indian Ocean...
October 18, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27697086/infection-prevention-and-antimicrobial-stewardship-knowledge-for-selected-infections-among-nursing-home-personnel
#20
Barbara W Trautner, M Todd Greene, Sarah L Krein, Heidi L Wald, Sanjay Saint, Andrew J Rolle, Sara McNamara, Barbara S Edson, Lona Mody
OBJECTIVE To assess knowledge about infection prevention among nursing home personnel and identify gaps potentially addressable through a quality improvement collaborative. DESIGN Baseline knowledge assessment of catheter-associated urinary tract infection, asymptomatic bacteriuria, antimicrobial stewardship, and general infection prevention practices for healthcare-associated infections. SETTING Nursing homes across 14 states participating in the national "Agency for Healthcare Research and Quality Safety Program for Long-Term Care: Healthcare-Associated Infections/Catheter-Associated Urinary Tract Infection...
October 4, 2016: Infection Control and Hospital Epidemiology
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