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https://www.readbyqxmd.com/read/28340419/photolytic-degradation-of-the-%C3%AE-blocker-nebivolol-in-aqueous-solution
#1
Alaa Salma, Holger V Lutze, Torsten C Schmidt, Jochen Tuerk
Nebivolol (NEB) is one of the top-sold prescription drugs belonging to the third generation of beta-blockers. However, so far, occurrence data in the environment are lacking. Within this study NEB has been found for the first time in effluent samples of wastewater treatment plants in Germany with an average concentration of 13 ng L(-1). Its photodegradation behavior in the environment and in technical processes is largely unknown. To fill this gap, three different UV treatment procedures (UV-C at 254 nm, UV-B at 312 nm and UV-A at 365 nm) were investigated in three different matrices: pure water, pure water in presence of the hydroxyl radical (OH) scavenger tert...
March 13, 2017: Water Research
https://www.readbyqxmd.com/read/28340392/-237-np-analytical-method-using-239-np-tracers-and-application-to-a-contaminated-nuclear-disposal-facility
#2
Mathew S Snow, Samuel S Morrison, Sue B Clark, John E Olson, Matthew G Watrous
Environmental (237)Np analyses are challenged by low (237)Np concentrations and lack of an available yield tracer; we report a rapid, inexpensive (237)Np analytical approach employing the short lived (239)Np (t1/2 = 2.3 days) as a chemical yield tracer followed by (237)Np quantification using inductively coupled plasma-mass spectrometry. (239)Np tracer is obtained via separation from a (243)Am stock solution and standardized using gamma spectrometry immediately prior to sample processing. Rapid digestions using a commercial, 900 W "Walmart" microwave and Parr microwave vessels result in 99...
March 21, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28340281/high-ten-year-remission-rates-following-rituximab-fludarabine-mitoxantrone-and-dexamethasone-r-fnd-with-interferon-maintenance-in-indolent-lymphoma-results-of-a-randomized-study
#3
Loretta J Nastoupil, Peter McLaughlin, Lei Feng, Sattva S Neelapu, Felipe Samaniego, Fredrick B Hagemeister, Ana Ayala, Jorge E Romaguera, Andre H Goy, Eleanor Neal, Michael Wang, Luis Fayad, Michelle A Fanale, Yasuhiro Oki, Jason R Westin, Maria A Rodriguez, Fernando Cabanillas, Nathan H Fowler
We report a single-centre, randomized study evaluating the efficacy and safety of concurrent fludarabine, mitoxantrone, dexamethasone (FND) and rituximab versus sequential FND followed by rituximab in 158 patients with advanced stage, previously untreated indolent lymphoma, enrolled between 1997 and 2002. Patients were randomized to 6-8 cycles of FND followed by 6 monthly doses of rituximab or 6 doses of rituximab given concurrently with FND. All patients who achieved at least a partial response received 12 months of interferon (IFN) maintenance...
March 24, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28340271/snp-detection-using-rna-sequences-of-candidate-genes-associated-with-puberty-in-cattle
#4
M M Dias, A Cánovas, C Mantilla-Rojas, D G Riley, P Luna-Nevarez, S J Coleman, S E Speidel, R M Enns, A Islas-Trejo, J F Medrano, S S Moore, M R S Fortes, L T Nguyen, B Venus, I S D P Diaz, F R P Souza, L F S Fonseca, F Baldi, L G Albuquerque, M G Thomas, H N Oliveira
Fertility traits, such as heifer pregnancy, are economically important in cattle production systems, and are therefore, used in genetic selection programs. The aim of this study was to identify single nucleotide polymorphisms (SNPs) using RNA-sequencing (RNA-Seq) data from ovary, uterus, endometrium, pituitary gland, hypothalamus, liver, longissimus dorsi muscle, and adipose tissue in 62 candidate genes associated with heifer puberty in cattle. RNA-Seq reads were assembled to the bovine reference genome (UMD 3...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340269/prevention-of-dna-damage-and-anticarcinogenic-activity-of-activia-%C3%A2-in-a-preclinical-model
#5
S M A Limeiras, F M Ogo, L A L Genez, C M Carreira, E J T Oliveira, L R Pessatto, S C Neves, J R Pesarini, L C Schweich, R A Silva, W B Cantero, A C M B Antoniolli-Silva, R J Oliveira
Colorectal cancer is a global public health issue. Studies have pointed to the protective effect of probiotics on colorectal carcinogenesis. Activia(®) is a lacto probiotic product that is widely consumed all over the world and its beneficial properties are related, mainly, to the lineage of traditional yoghurt bacteria combined with a specific bacillus, DanRegularis, which gives the product a proven capacity to intestinal regulation in humans. The aim of this study was to evaluate the antigenotoxic, antimutagenic, and anticarcinogenic proprieties of the Activia product, in response to damage caused by 1,2-dimethylhydrazine (DMH) in Swiss mice...
March 22, 2017: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28340146/effect-of-broiler-breeders-fed-with-corn-or-sorghum-diet-and-canthaxanthin-supplementation-on-production-and-reproductive-performance
#6
C E V Bonilla, A P Rosa, A Londero, C B S Giacomini, C Orso, M O Fernandes, S J Paixão, D V Bonamigo
This study was designed to evaluate the effect of corn or sorghum diet and canthaxanthin (CX) supplementation on performance in broiler breeders. A total of 440 females with similar body weight (BW) (3.71 ± 0.14 kg) and 60 roosters were placed in an open-sided house with 20 pens, randomly distributed in a factorial arrangement (2 × 2). There were 4 diets of 2 ingredients; corn (CO) or sorghum (SO) and 2 levels of CX; 6 mg/kg (CX) and 0 mg/kg (NCX) totaling 5 replicate pens of 22 females and 3 males each, from 42 to 65 wk, divided in 2 periods (from wk 42 to 53 and wk 54 to 65)...
March 4, 2017: Poultry Science
https://www.readbyqxmd.com/read/28339721/analysis-of-professional-competencies-for-the-clinical-research-data-management-profession-implications-for-training-and-professional-certification
#7
Meredith N Zozus, Angel Lazarov, Leigh R Smith, Tim E Breen, Susan L Krikorian, Patrick S Zbyszewski, Shelly K Knoll, Debra A Jendrasek, Derek C Perrin, Demetris N Zambas, Tremaine B Williams, Carl F Pieper
Objective: : To assess and refine competencies for the clinical research data management profession. Materials and Methods: : Based on prior work developing and maintaining a practice standard and professional certification exam, a survey was administered to a captive group of clinical research data managers to assess professional competencies, types of data managed, types of studies supported, and necessary foundational knowledge. Results: : Respondents confirmed a set of 91 professional competencies...
February 16, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28339273/search-for-electronic-recoil-event-rate-modulation-with-4-years-of-xenon100-data
#8
E Aprile, J Aalbers, F Agostini, M Alfonsi, F D Amaro, M Anthony, F Arneodo, P Barrow, L Baudis, B Bauermeister, M L Benabderrahmane, T Berger, P A Breur, A Brown, E Brown, S Bruenner, G Bruno, R Budnik, L Bütikofer, J Calvén, J M R Cardoso, M Cervantes, D Cichon, D Coderre, A P Colijn, J Conrad, J P Cussonneau, M P Decowski, P de Perio, P Di Gangi, A Di Giovanni, S Diglio, G Eurin, J Fei, A D Ferella, A Fieguth, D Franco, W Fulgione, A Gallo Rosso, M Galloway, F Gao, M Garbini, C Geis, L W Goetzke, Z Greene, C Grignon, C Hasterok, E Hogenbirk, R Itay, B Kaminsky, G Kessler, A Kish, H Landsman, R F Lang, D Lellouch, L Levinson, Q Lin, S Lindemann, M Lindner, J A M Lopes, A Manfredini, I Maris, T Marrodán Undagoitia, J Masbou, F V Massoli, D Masson, D Mayani, M Messina, K Micheneau, B Miguez, A Molinario, M Murra, J Naganoma, K Ni, U Oberlack, P Pakarha, B Pelssers, R Persiani, F Piastra, J Pienaar, V Pizzella, M-C Piro, G Plante, N Priel, L Rauch, S Reichard, C Reuter, A Rizzo, S Rosendahl, N Rupp, J M F Dos Santos, G Sartorelli, M Scheibelhut, S Schindler, J Schreiner, M Schumann, L Scotto Lavina, M Selvi, P Shagin, M Silva, H Simgen, M V Sivers, A Stein, D Thers, A Tiseni, G Trinchero, C Tunnell, H Wang, Y Wei, C Weinheimer, J Wulf, J Ye, Y Zhang
We report on a search for electronic recoil event rate modulation signatures in the XENON100 data accumulated over a period of 4 yr, from January 2010 to January 2014. A profile likelihood method, which incorporates the stability of the XENON100 detector and the known electronic recoil background model, is used to quantify the significance of periodicity in the time distribution of events. There is a weak modulation signature at a period of 431_{-14}^{+16} day in the low energy region of (2.0-5.8) keV in the single scatter event sample, with a global significance of 1...
March 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28339268/entropy-evolution-in-the-magnetic-phases-of-partially-frustrated-cepdal
#9
S Lucas, K Grube, C-L Huang, A Sakai, S Wunderlich, E L Green, J Wosnitza, V Fritsch, P Gegenwart, O Stockert, H V Löhneysen
In the heavy-fermion metal CePdAl, long-range antiferromagnetic order coexists with geometric frustration of one-third of the Ce moments. At low temperatures, the Kondo effect tends to screen the frustrated moments. We use magnetic fields B to suppress the Kondo screening and study the magnetic phase diagram and the evolution of the entropy with B employing thermodynamic probes. We estimate the frustration by introducing a definition of the frustration parameter based on the enhanced entropy, a fundamental feature of frustrated systems...
March 10, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28339160/biofortification-of-riboflavin-and-folate-in-idli-batter-based-on-fermented-cereal-and-pulse-by-lactococcus-lactis-n8-and-saccharomyces-boulardii-saa655-in-idli-batter
#10
Suresh Chander C R, Bhawani Chamlagain, Susanna Kariluoto, Vieno Piironen, Per E J Saris
AIMS: Lactococcus lactis N8 and Saccharomyces boulardii SAA655 were investigated for their ability to synthesize B- vitamins (riboflavin and folate) and their functional role as microbial starters in idli fermentation. METHODS AND RESULTS: In this study, ultra-high performance liquid chromatography (UHPLC) and microbiological assay were used to determine the total riboflavin and folate content, respectively. Increased levels of folate were evident in both L. lactis N8 and S...
March 24, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28338838/cohort-profile-the-hepatitis-c-virus-hcv-research-uk-clinical-database-and-biobank
#11
J McLauchlan, H Innes, J F Dillon, G Foster, E Holtham, S McDonald, B Wilkes, S J Hutchinson, W L Irving
No abstract text is available yet for this article.
February 27, 2017: International Journal of Epidemiology
https://www.readbyqxmd.com/read/28338446/the-use-of-hippocampal-volumetric-measurements-to-improve-diagnostic-accuracy-in-pediatric-patients-with-mesial-temporal-sclerosis
#12
Gloria J Guzmán Pérez-Carrillo, Christopher Owen, Katherine E Schwetye, Spencer McFarlane, Ananth K Vellimana, Soe Mar, Michelle M Miller-Thomas, Joshua S Shimony, Matthew D Smyth, Tammie L S Benzinger
OBJECTIVE Many patients with medically intractable epilepsy have mesial temporal sclerosis (MTS), which significantly affects their quality of life. The surgical excision of MTS lesions can result in marked improvement or even complete resolution of the epileptic episodes. Reliable radiological diagnosis of MTS is a clinical challenge. The purpose of this study was to evaluate the utility of volumetric mapping of the hippocampi for the identification of MTS in a case-controlled series of pediatric patients who underwent resection for medically refractory epilepsy, using pathology as a gold standard...
March 24, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28338222/long-term-self-reported-cognitive-problems-after-delirium-in-the-intensive-care-unit-and-the-effect-of-systemic-inflammation
#13
Annemiek E Wolters, Linda M Peelen, Dieuwke S Veldhuijzen, Irene J Zaal, Dylan W de Lange, Wietze Pasma, Diederik van Dijk, Olaf L Cremer, Arjen J C Slooter
OBJECTIVES: To describe the association between intensive care unit (ICU) delirium and self-reported cognitive problems in 1-year ICU survivors, and investigate whether this association was altered by exposure to systemic inflammation during ICU stay. DESIGN: Prospective cohort study. SETTING: Dutch medical-surgical ICU. PARTICIPANTS: One-year ICU survivors, admitted to the ICU ≥48 hours. MEASUREMENTS: Self-reported cognitive problems were measured with the Cognitive Failures Questionnaire (CFQ)...
March 24, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28338135/detection-of-chemical-warfare-agent-simulants-and-hydrolysis-products-in-biological-samples-by-paper-spray-mass-spectrometry
#14
Josiah McKenna, Elizabeth S Dhummakupt, Theresa Connell, Paul S Demond, Dennis B Miller, J Michael Nilles, Nicholas E Manicke, Trevor Glaros
Paper spray ionization coupled to a high resolution tandem mass spectrometer (a quadrupole orbitrap) was used to identify and quantitate chemical warfare agent (CWA) simulants and their hydrolysis products in blood and urine. Three CWA simulants, dimethyl methylphosphonate (DMMP), trimethyl phosphate (TMP), and diisopropyl methylphosphonate (DIMP), and their isotopically labeled standards were analyzed in human whole blood and urine. Calibration curves were generated and tested with continuing calibration verification standards...
March 24, 2017: Analyst
https://www.readbyqxmd.com/read/28337939/bidirectional-apical-basal-traffic-of-the-cation-independent-mannose-6-phosphate-receptor-in-brain-endothelial-cells
#15
Piotr Siupka, Maria Ns Hersom, Karin Lykke-Hartmann, Kasper B Johnsen, Louiza B Thomsen, Thomas L Andresen, Torben Moos, N Joan Abbott, Birger Brodin, Morten S Nielsen
Brain capillary endothelium mediates the exchange of nutrients between blood and brain parenchyma. This barrier function of the brain capillaries also limits passage of pharmaceuticals from blood to brain, which hinders treatment of several neurological disorders. Receptor-mediated transport has been suggested as a potential pharmaceutical delivery route across the brain endothelium, e.g. reports have shown that the transferrin receptor (TfR) facilitates transcytosis of TfR antibodies, but it is not known whether this recycling receptor itself traffics from apical to basal membrane in the process...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28337881/indoleamine-2-3-dioxygenase-and-regulatory-t-cells-in-intestinal-mucosa-in-children-with-inflammatory-bowel-disease
#16
K Sznurkowska, A Żawrocki, J Sznurkowski, E Iżycka-Świeszewska, P Landowski, A Szlagatys-Sidorkiewicz, K Plata-Nazar, B Kamińska
Impaired immune regulation has been suggested as an underlying mechanism of inflammatory bowel disease. Indoleamine 2,3-dioxygenase (IDO) and regulatory T cells expressing FOXP3 are crucial elements of immune regulation. Conversion of FOXP3- lymphocytes to Tregs is one of the functions of IDO. The aim of this study was to evaluate the number of cells expressing FOXP3 and IDO in the lamina propria of intestinal mucosa and to evaluate correlations between these parameters and disease activity. Sixty-six children newly diagnosed with inflammatory bowel disease (41 patients with ulcerative colitis and 25 patients with Crohn’s disease) were included in the study...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337875/the-pig-as-a-model-for-premature-infants-the-importance-of-immunoglobulin-supplementation-for-growth-and-development
#17
A Socha-Banasiak, S Pierzynowski, J Woliński, D Grujic, M Boryczka, P Grzesiak, P Szczurek, E Czkwianianc, B Westrom, K Goncharova
Preterm human neonates, contrary to preterm piglets, obtain immunoglobulins from their mothers via the placenta during intrauterine development. However, one should note that the majority of trans-placental transfer of immunoglobulins in humans takes place during the last trimester of pregnancy. It is also known that the feeding of limited amounts of colostrum or systemic infusion of small amounts of serum improves the survival of preterm and full-term piglets. Full-term piglets deprived of their mother’s immunoglobulins exhibit strong apathy and develop watery diarrhoea, often resulting in death...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337874/the-biomedical-aspects-of-oral-mucosal-epithelial-cell-culture-in-mammals
#18
A Bryja, M Dyszkiewicz-Konwińska, J Budna, W Kranc, A Chachuła, S Borys, S Ciesiółka, J Sokalski, M Prylinski, D Bukowska, P Antosik, M Bruska, M Nowicki, M Zabel, B Kempisty
In recent years, there has been a growing interest in epithelial cell tissue culture, particularly oral mucosa and its application utilizing in vitro cell culture in medicine. This involves tests using animal models to better understand oral mucosa function, and the differences in its construction in various animal models. The use of buccal pouch mucosal cell culture provides insight into the processes of trans mucosal transport and regeneration of the oral epithelium. The processes associated with epithelium regeneration is the base for stem cell research and/or oral cancer investigation...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337864/molecular-basis-of-growth-proliferation-and-differentiation-of-mammalian-follicular-granulosa-cells
#19
W Kranc, J Budna, R Kahan, A Chachuła, A Bryja, S Ciesiółka, S Borys, M P Antosik, D Bukowska, K P Brussow, M Bruska, M Nowicki, M Zabel, B Kempisty
For normal folliculogenesis and oogenesis to occur many intrinsic and extrinsic factors are needed, i.e. positive feedback of hormone secretion and local ovarian-follicular growth factors distribution. During follicle formation, granulosa cells (GCs) change their morphology and physiological properties. The factors needed for GCs to differentiate within each layer are transforming growth factor beta (TGFB) and insulin-like growth factor (IGF), as well as the activation and modification of biochemical pathways involved in folliculogenesis...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337452/teratogenic-effect-of-usnic-acid-from-cladonia-substellata-vainio-during-organogenesis
#20
C R Silva, K S N Marinho, T D S Silva, D K S Ferreira, G M Aguiar, M C B Martins, K R P Santos, F C A Aguiar Júnior, N P S Santos, E C Pereira, N H Silva
Studies about toxicological potential of usnic acid are limited. This way, the vast majority of data available in the literature are related only to biological activities. This is the first study that aimed to evaluate the oral toxicity of usnic acid during the period of organogenesis. Females rats were distributed in the control groups, treated I and II, at doses of 15 and 25 mg/kg, administered by gavage during the 6° to 15° days of pregnancy. After 20 days the fetuses were removed and analyzed. A reduction in weight gain during pregnancy, increased resorption, reduction in the number of viable fetuses, and their body weight were observed...
2017: BioMed Research International
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