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https://www.readbyqxmd.com/read/28509139/unusual-listeria-monocytogenes-peritonitis-in-peritoneal-dialysis-patient-with-liver-cirrhosis-a-case-report-and-review-of-literature
#1
Miloš Mitrović, P Đurić, A Janković, V Todorov, J Tošić-Dragović, N Simović, T Damjanović, N Dimković
Spontaneous Listeria peritonitis is well described in liver failure, but is uncommon in peritoneal dialysis patients. Atypical cases where peritonitis symptoms develop after systemic manifestations are rare and challenging for diagnostic. A 57-year-old peritoneal dialysis patient with history of ethylic cirrhosis was admitted after epileptic seizure. On admission, patient was soporous without signs of peritonitis and meningitis. Patient's peritoneal effluent was clear, with normal leukocytes. Cranial CT scan showed no abnormalities...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28501162/solidification-of-floating-organic-droplet-in-dispersive-liquid-liquid-microextraction-as-a-green-analytical-tool
#2
REVIEW
Fotouh R Mansour, Neil D Danielson
Dispersive liquid-liquid microextraction (DLLME) is a special type of microextraction in which a mixture of two solvents (an extracting solvent and a disperser) is injected into the sample. The extraction solvent is then dispersed as fine droplets in the cloudy sample through manual or mechanical agitation. Hence, the sample is centrifuged to break the formed emulsion and the extracting solvent is manually separated. The organic solvents commonly used in DLLME are halogenated hydrocarbons that are highly toxic...
August 1, 2017: Talanta
https://www.readbyqxmd.com/read/28494281/using-%C3%AE-dn-alkane-as-a-proxy-for-paleo-environmental-reconstruction-a-good-choice-to-sample-at-the-site-dominated-by-woods
#3
Jinzhao Liu, Zhisheng An, Zheng Wang, Huawu Wu
Some studies have demonstrated that leaf wax δDn-alkane values for a single species varied significantly with seasons. However, it is still not clear that the seasonality patterns of leaf wax δDn-alkane values in higher plants. Meanwhile, few efforts have been pursued to assess the effect of the light slopes (sunny vs. cloudy) on leaf wax δDn-alkane values. In this study, we systematically investigated plant wax δDn-alkane values and soil n-alkane δD values along different light slopes in different seasons (spring vs...
May 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28493534/determination-of-triazine-herbicides-in-juice-samples-by-microwave-assisted-ionic-liquid-ionic-liquid-dispersive-liquid-liquid-microextraction-coupled-with-high-performance-liquid-chromatography
#4
Rui Su, Dan Li, Lijie Wu, Jing Han, Wenhui Lian, Keren Wang, Hongmei Yang
A novel microextraction method, termed microwave-assisted ionic liquid/ionic liquid dispersive liquid-liquid microextraction has been developed for the rapid enrichment and analysis of triazine herbicides in fruit juice samples by high-performance liquid chromatography. Instead of using hazardous organic solvents, two kinds of ionic liquids, a hydrophobic ionic liquid (1-hexyl-3-methylimidazolium hexafluorophosphate) and a hydrophilic ionic liquid (1-butyl-3-methylimidazolium tetrafluoroborate), were used as the extraction solvent and dispersion agent, respectively, in this method...
May 11, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28477352/study-on-the-basic-performance-of-three-phase-fluidized-bed-equipment-for-solar-photocatalysis-membrane-separation
#5
Li Sha, Liping Xie, Miaomiao Li, Xuening Fei, Jinshan Du, Chenxi Zou
In this study, three-phase fluidized bed equipment for the solar photocatalysis-membrane separation (E-SPME), comprising solar photocatalytic degradation and membrane separation zones, was first introduced, and the photocatalytic degradation of acid red B wastewater (ARBW) with a TiO2 photocatalyst was investigated using the E-SPME. The experimental results indicated the circulating flow of wastewater between the two zones and the increase in the ARBW photocatalytic degradation efficiency with decreasing membrane flux...
May 6, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28460918/influence-of-surfactant-type-and-thermal-cycling-on-formation-and-stability-of-flavor-oil-emulsions-fabricated-by-spontaneous-emulsification
#6
Amir Hossein Saberi, Yuan Fang, David Julian McClements
Food-grade emulsions can be fabricated using simple and inexpensive low-energy homogenization methods. In this study, we examined the influence of surfactant type (Tween 40, 60, and 80), oil phase composition (limonene-to-medium chain triglyceride ratio), and temperature (25 to 95°C) on the formation and stability of flavor oil-in-water emulsions (10wt% oil, 15wt% surfactant, pH3) fabricated using spontaneous emulsification. Transparent emulsion-based delivery systems containing ultrafine droplets (d<40nm) could be formed at room temperature at certain limonene contents for all three surfactants...
November 2016: Food Research International
https://www.readbyqxmd.com/read/28458496/chronic-recurrent-non-specific-parotitis-a-case-report-and-review
#7
Saibaba Mahalakshmi, Srinivas Kandula, Patil Shilpa, Ganganna Kokila
BACKGROUND: Chronic recurrent non-specific parotitis is characterized by recurrent episodes of swelling and pain of unknown etiology in the parotid gland. Sialography is a hallmark in the diagnosis of salivary gland disorders; newer imaging modalities like CT-Sialography, sialoendoscopy and MRI can be used. Various treatment modalities have been tried, from conservative approach to surgical excision depending on the recurrence rate and severity of the condition. Although symptomatic treatment with antibiotics and analgesic, injection of intraductal medicament, aggressive treatment like duct ligation or excision of gland are some of the treatment modalities, there is no established algorithm as to which treatment method should be opted in such clinical situation...
January 2017: Ethiopian Journal of Health Sciences
https://www.readbyqxmd.com/read/28458451/characteristics-of-corneal-phospholipidosis-induced-by-topical-ocular-application-of-chloroquine-and-amiodarone-in-rabbits
#8
Yoshinori Yamagiwa, Yu Haranosono, Shingo Nemoto, Ikuyo Atsumi, Masaaki Kurata, Gakushi Kito, Hirofumi Hatakeyama, Haruko Koizumi, Hideyuki Sakaki
Several cationic-amphiphilic drugs such as chloroquine and amiodarone are known to induce phospholipidosis in the cornea by systemic administration. However, the characteristics of ophthalmological and pathological changes when phospholipidosis-inducing drugs are topically applied have not been well studied. This study was conducted to investigate the characteristics of corneal changes caused by topical application of chloroquine and amiodarone to Japanese white rabbits. The changes were evaluated by ophthalmological, histopathological, and ultrastructural examinations...
April 2017: Journal of Toxicologic Pathology
https://www.readbyqxmd.com/read/28447175/present-and-projected-future-mean-radiant-temperature-for-three-european-cities
#9
Sofia Thorsson, David Rayner, Fredrik Lindberg, Ana Monteiro, Lutz Katzschner, Kevin Ka-Lun Lau, Sabrina Campe, Antje Katzschner, Janina Konarska, Shiho Onomura, Sara Velho, Björn Holmer
Present-day and projected future changes in mean radiant temperature, T mrt in one northern, one mid-, and one southern European city (represented by Gothenburg, Frankfurt, and Porto), are presented, and the concept of hot spots is adopted. Air temperature, T a , increased in all cities by 2100, but changes in solar radiation due to changes in cloudiness counterbalanced or exacerbated the effects on T mrt. The number of days with high T mrt in Gothenburg was relatively unchanged at the end of the century (+1 day), whereas it more than doubled in Frankfurt and tripled in Porto...
April 26, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28436867/rscm-region-selection-and-concurrency-model-for-multi-class-weather-classification
#10
Di Lin, Cewu Lu, Hui Huang, Jiaya Jia
Towards weather condition recognition, we emphasize the importance of regional cues in this paper and address a few important problems regarding appropriate representation, its differentiation among regions, and weather-condition feature construction. Our major contribution is, first, to construct a multi-class benchmark dataset containing 65,000 images from 6 common categories for sunny, cloudy, rainy, snowy, haze and thunder weather. This dataset also benefits weather classification and attribute recognition...
April 19, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28430415/omnidirectional-harvesting-of-weak-light-using-a-graphene-quantum-dot-modified-organic-silicon-hybrid-device
#11
Meng-Lin Tsai, Dung-Sheng Tsai, Libin Tang, Lih-Juann Chen, Shu Ping Lau, Jr-Hau He
Despite great improvements in traditional inorganic photodetectors and photovoltaics, more progress is needed in the detection/collection of light at low-level conditions. Traditional photodetectors tend to suffer from high noise when operated at room temperature; therefore these devices require additional cooling systems to detect weak or dim light. Conventional solar cells also face the challenge of poor light-harvesting capabilities in hazy or cloudy weather. The real world features such varying levels of light, which makes it important to develop strategies that allow optical devices to function when conditions are less than optimal...
April 21, 2017: ACS Nano
https://www.readbyqxmd.com/read/28407911/characterization-of-phenolics-glucosinolates-and-antioxidant-activity-of-beverages-based-on-apple-juice-with-addition-of-frozen-and-freeze-dried-curly-kale-leaves-brassica-oleracea-l-var-acephala-l
#12
Róża Biegańska-Marecik, Elżbieta Radziejewska-Kubzdela, Roman Marecik
The aim of this study was to determine the polyphenols, glucosinolates and ascorbic acid content as well as antioxidant activity of beverages on the base of apple juice with addition of frozen and freeze-dried curly kale leaves. Upon enrichment with frozen (13%) and freeze-dried curly kale (3%), the naturally cloudy apple juice was characterized by an increase in phenolic compounds by 2.7 and 3.3-times, accordingly. The antioxidant activity of beverages with the addition of curly kale ranged from 6.6 to 9.4μmol Trolox/mL...
September 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28399467/ultrasound-assisted-low-density-solvent-dispersive-liquid-liquid-microextraction-for-the-determination-of-4-designer-benzodiazepines-in-urine-samples-by-gas-chromatography-triple-quadrupole-mass-spectrometry
#13
Liang Meng, Binling Zhu, Kefang Zheng, Shanlin Fu
A novel microextraction technique based on ultrasound-assisted low-density solvent dispersive liquid-liquid microextraction (UA-LDS-DLLME) had been applied for the determination of 4 designer benzodiazepines (phenazepam, diclazepam, flubromazepam and etizolam) in urine samples by gas chromatography- triple quadrupole mass spectrometry (GC-QQQ-MS). Ethyl acetate (168μL) was added into the urine samples after adjusting pH to 11.3. The samples were sonicated in an ultrasonic bath for 5.5min to form a cloudy suspension...
April 4, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28371329/deep-eutectic-solvent-based-gas-assisted-dispersive-liquid-phase-microextraction-combined-with-gas-chromatography-and-flame-ionization-detection-for-the-determination-of-some-pesticide-residues-in-fruit-and-vegetable-samples
#14
Mir Ali Farajzadeh, Masoumeh Sattari Dabbagh, Adeleh Yadeghari
In this study, a gas-assisted dispersive liquid-phase microextraction method using a deep eutectic solvent as the extraction solvent combined with gas chromatography and flame ionization detection was developed for the extraction and determination of some pesticide residues in vegetable and fruit juice samples. In this method, choline chloride and 4-chlorophenol at a molar ratio of 1:2 were mixed. By heating and vortexing, a clear, water-immiscible, and homogeneous liquid was formed. The obtained deep eutectic solvent was added to an aqueous solution of the analytes in a conical test tube...
March 29, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28367509/the-stability-of-insulin-solutions-in-syringes-is-improved-by-ensuring-lower-molecular-weight-silicone-lubricants-are-absent
#15
Lamees Nayef, Madiha F Khan, Michael A Brook
Protein drugs such as insulin are almost universally delivered via glass syringes lubricated with silicone oil. It is not uncommon for prefilled syringes (PFS) to become cloudy, which may affect bioavailability or total drug dose. To examine the role, if any, of the silicone oil lubricant in this process, a systematic evaluation of the degree of insulin denaturation and aggregation as a function of silicone oils of different molecular weights was undertaken. The former was measured using fluorescence changes of aqueous insulin/silicone dispersions, while the latter examined changes in turbidity as a function of mixing and silicone oil type; the results were confirmed at two different insulin concentrations and agitation speeds...
March 2017: Heliyon
https://www.readbyqxmd.com/read/28365553/restoration-of-liquid-effluent-from-oil-palm-agroindustry-in-malaysia-using-uv-tio2-and-uv-zno-photocatalytic-systems-a-comparative-study
#16
Kim Hoong Ng, Maksudur R Khan, Yun Hau Ng, Sk Safdar Hossain, Chin Kui Cheng
In this study, we have employed a photocatalytic method to restore the liquid effluent from a palm oil mill in Malaysia. Specifically, the performance of both TiO2 and ZnO was compared for the photocatalytic polishing of palm oil mill effluent (POME). The ZnO photocatalyst has irregular shape, bigger in particle size but smaller BET specific surface area (9.71 m(2)/g) compared to the spherical TiO2 photocatalysts (11.34 m(2)/g). Both scavenging study and post-reaction FTIR analysis suggest that the degradation of organic pollutant in the TiO2 system has occurred in the bulk solution...
March 30, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28361227/light-use-efficiency-of-a-warm-temperate-mixed-plantation-in-north-china
#17
Xiaojuan Tong, Jinsong Zhang, Ping Meng, Jun Li, Ning Zheng
Light use efficiency (LUE) is one of the important parameters on calculating terrestrial gross primary productivity (GPP) and net primary productivity (NPP). Based on 5-year (2006-2010) carbon flux and climatic variable data of a mixed plantation in north China, the seasonal and interannual variation of LUE was investigated and the biophysical controls were examined. Our results show that LUE had a distinct seasonal course, and peaked in the vigorous growing season with a value of 0.92-1.27 g C MJ(-1). During the period of 2006-2010, annual mean LUE ranged between 0...
March 30, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28341616/cloudy-with-a-chance-of-pain-engagement-and-subsequent-attrition-of-daily-data-entry-in-a-smartphone-pilot-study-tracking-weather-disease-severity-and-physical-activity-in-patients-with-rheumatoid-arthritis
#18
Samuel Reade, Karen Spencer, Jamie C Sergeant, Matthew Sperrin, David M Schultz, John Ainsworth, Rashmi Lakshminarayana, Bruce Hellman, Ben James, John McBeth, Caroline Sanders, William G Dixon
BACKGROUND: The increasing ownership of smartphones provides major opportunities for epidemiological research through self-reported and passively collected data. OBJECTIVE: This pilot study aimed to codesign a smartphone app to assess associations between weather and joint pain in patients with rheumatoid arthritis (RA) and to study the success of daily self-reported data entry over a 60-day period and the enablers of and barriers to data collection. METHODS: A patient and public involvement group (n=5) and 2 focus groups of patients with RA (n=9) supported the codesign of the app collecting self-reported symptoms...
March 24, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28334048/hepatoprotective-effect-of-sitagliptin-against-methotrexate-induced-liver-toxicity
#19
Hany M Abo-Haded, Mohamed A Elkablawy, Zeyad Al-Johani, Osama Al-Ahmadi, Dina S El-Agamy
Sitagliptin is selective dipeptidyl peptidase-4 inhibitor (DPP4-I), used clinically as a new oral anti-diabetic agent. This study explored the underlying mechanisms of the hepatoprotective role of sitagliptin pretreatment against methotrexate (MTX) induced hepatotoxicity in mice. Forty mice were divided into four groups (10 mice each); control, MTX, and two sitagliptin groups (pretreated with sitagliptin 10 and 20 mg/kg/day, respectively) for five consecutive days prior to MTX injection. Results showed that MTX induced marked hepatic injury in the form of cloudy swelling, hydropic degeneration, apoptosis and focal necrosis in all hepatic zones...
2017: PloS One
https://www.readbyqxmd.com/read/28331804/infected-ascites-distinguishing-secondary-peritonitis-from-spontaneous-bacterial-peritonitis-in-a-cirrhotic-patient-with-classic-symptoms
#20
Marvin Louis Roy Lu, Akanksha Agarwal, Josh Sloan, Aaron Kosmin
INTRODUCTION: Spontaneous bacterial peritonitis can be differentiated from secondary bacterial peritonitis by the absence of a surgically treatable intra-abdominal source of infection. However, oftentimes this is unapparent and other clinical clues need to be sought after to make the right diagnosis. CASE: A 64-year-old woman was admitted because of three days of worsening diffuse abdominal pain and distention. She was morbidly obese and had a history of non-alcoholic steatohepatitis (NASH) cirrhosis...
2017: IDCases
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