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https://www.readbyqxmd.com/read/28214624/effect-of-cobalt-loading-on-the-solid-state-properties-and-ethyl-acetate-oxidation-performance-of-cobalt-cerium-mixed-oxides
#1
M Konsolakis, S A C Carabineiro, G E Marnellos, M F Asad, O S G P Soares, M F R Pereira, J J M Órfão, J L Figueiredo
Cobalt-cerium mixed oxides were prepared by the wet impregnation method and evaluated for volatile organic compounds (VOCs) abatement, using ethyl acetate (EtAc) as model molecule. The impact of Co content on the physicochemical characteristics of catalysts and EtAc conversion was investigated. The materials were characterized by various techniques, including N2 adsorption at -196°C, scanning electron microscopy (SEM), X-ray diffraction (XRD), H2-temperature programmed reduction (H2-TPR) and X-ray photoelectron spectroscopy (XPS) to reveal the structure-activity relationship...
February 10, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28214617/demonstrating-construct-validity-of-the-american-board-of-physical-medicine-and-rehabilitation-part-i-examination-an-analysis-of-dimensionality
#2
Mikaela Raddatz, Lawrence R Robinson
BACKGROUND: Ideally, high stakes examinations assess one dimension of medical knowledge to produce precise estimates of a candidate's performance. It has not been reported whether the American Board of Physical Medicine and Rehabilitation Part 1 Certification Examination (ABPMR-CE-1) is unidimensional or not. OBJECTIVE: To examine the ABPMR-CE-1 to measure how many dimensions it assesses. DESIGN: Retrospective observational study. SETTING: We assessed examination results from the 2015 ABPMR-CE-1...
February 15, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28213373/cost-effectiveness-of-the-2014-u-s-preventive-services-task-force-uspstf-recommendations-for-intensive-behavioral-counseling-interventions-for-adults-with-cardiovascular-risk-factors
#3
Ji Lin, Xiaohui Zhuo, Barbara Bardenheier, Deborah B Rolka, W Edward Gregg, Yuling Hong, Guijing Wang, Ann Albright, Ping Zhang
OBJECTIVE: In 2014, the U.S. Preventive Services Task Force (USPSTF) recommended behavioral counseling interventions for overweight or obese adults with the following known cardiovascular disease risk factors: impaired fasting glucose (IFG), hypertension, dyslipidemia, or metabolic syndrome. We assessed the long-term cost-effectiveness (CE) of implementing the recommended interventions in the U.S. RESEARCH DESIGN AND METHODS: We used a disease progression model to simulate the 25-year CE of the USPSTF recommendation for eligible U...
February 17, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28213262/one-single-fast-and-robust-capillary-electrophoresis-method-for-the-direct-quantification-of-intact-adenovirus-particles-in-upstream-and-downstream-processing-samples
#4
Ewoud van Tricht, Lars Geurink, Harold Backus, Marta Germano, Govert W Somsen, Cari E Sänger-van de Griend
During development of adenovirus-based vaccines, samples have to be analyzed in order to either monitor the production process or control the quality and safety of the product. An important quality attribute is the total concentration of intact adenoviruses, which currently is determined by quantitative polymerase chain reaction (qPCR) or anion exchange-HPLC. Capillary Electrophoresis (CE) was evaluated as alternative to the current methods with the aim to have one single method that allows reliable and fast quantification of adenovirus particles throughout the full process...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28213175/quantitative-analysis-of-mycosporine-like-amino-acids-in-marine-algae-by-capillary-electrophoresis-with-diode-array-detection
#5
Anja Hartmann, Adele Murauer, Markus Ganzera
Marine species have evolved a variety of physical or chemical strategies to diminish damage from elevated environmental ultraviolet radiation. Mycosporine-like amino acids, a group of widely distributed small water soluble compounds, are biologically relevant because of their photo-protective potential. In addition, presumed antioxidant and skin protective strategies raise the interest for possible medicinal and cosmetic applications. In this study the first CE method for the quantification of mycosporine-like amino acids in marine species is presented...
February 4, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28212806/clonal-evolution-as-detected-by-interphase-fluorescence-in-situ-hybridization-is-associated-with-worse-overall-survival-in-a-population-based-analysis-of-patients-with-chronic-lymphocytic-leukemia-in-british-columbia-canada
#6
Steven J Huang, Krystal Bergin, Adam C Smith, Alina S Gerrie, Helene Bruyere, Chinmay B Dalal, Daniele K Sugioka, Monica Hrynchak, Khaled M Ramadan, Aly Karsan, Tanya L Gillan, Cynthia L Toze
This study evaluates prognostic markers as predictors of clonal evolution (CE) and assesses the impact of CE on overall survival (OS) in a population-based cohort of 159 consecutive eligible patients with chronic lymphocytic leukemia (CLL) obtained from the British Columbia Provincial CLL Database. CE was detected by interphase fluorescence in situ hybridization (FISH) in 34/159 patients (21%) with 65% of CE patients acquiring deletion 17p or 11q. CD38 positive status (≥30%) on flow cytometry predicted 2...
January 2017: Cancer Genetics
https://www.readbyqxmd.com/read/28212791/echinococcosis-control-and-prevention
#7
P S Craig, D Hegglin, M W Lightowlers, P R Torgerson, Q Wang
Human cystic echinococcosis (CE) has been eliminated or significantly reduced as a public health problem in several previously highly endemic regions. This has been achieved by the long-term application of prevention and control measures primarily targeted to deworming dogs, health education, meat inspection, and effective surveillance in livestock and human populations. Human CE, however, remains a serious neglected zoonotic disease in many resource-poor pastoral regions. The incidence of human alveolar echinococcosis (AE) has increased in continental Europe and is a major public health problem in parts of Eurasia...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212790/the-echinococcoses-diagnosis-clinical-management-and-burden-of-disease
#8
P Kern, A Menezes da Silva, O Akhan, B Müllhaupt, K A Vizcaychipi, C Budke, D A Vuitton
The echinococcoses are chronic, parasitic diseases that are acquired after ingestion of infective taeniid tapeworm eggs from certain species of the genus Echinococcus. Cystic echinococcosis (CE) occurs worldwide, whereas, alveolar echinococcosis (AE) is restricted to the northern hemisphere, and neotropical echinococcosis (NE) has only been identified in Central and South America. Clinical manifestations and disease courses vary profoundly for the different species of Echinococcus. CE presents as small to large cysts, and has commonly been referred to as 'hydatid disease', or 'hydatidosis'...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212789/laboratory-diagnosis-of-echinococcus-spp-in-human-patients-and-infected-animals
#9
M Siles-Lucas, A Casulli, F J Conraths, N Müller
Among the species composing the genus Echinococcus, four species are of human clinical interest. The most prevalent species are Echinococcus granulosus and Echinococcus multilocularis, followed by Echinococcus vogeli and Echinococcus oligarthrus. The first two species cause cystic echinococcosis (CE) and alveolar echinococcosis (AE) respectively. Both diseases have a complex clinical management, in which laboratory diagnosis could be an adjunctive to the imaging techniques. To date, several approaches have been described for the laboratory diagnosis and followup of CE and AE, including antibody, antigen and cytokine detection...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212788/immunology-of-alveolar-and%C3%A2-cystic-echinococcosis-ae-and-ce
#10
B Gottstein, P Soboslay, E Ortona, J Wang, A Siracusano, D Α Vuitton
Cystic and alveolar echinococcosis are severe chronic helminthic diseases caused by the cystic growth or the intrahepatic tumour-like growth of the metacestode of Echinococcus granulosus or Echinococcus multilocularis, respectively. Both parasites have evolved sophisticated strategies to escape host immune responses, mainly by manipulating and directing this immune response towards anergy and/or tolerance. Recent research studies have revealed a number of respective immunoregulatory mechanisms related to macrophages and dendritic cell as well as T cell activities (regulatory T cells, Tregs)...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212513/simultaneous-removal-of-no-and-hg-0-over-ce-cu-modified-v2o5-tio2-based-commercial-scr-catalysts
#11
Guilong Chi, Boxiong Shen, Ranran Yu, Chuan He, Xiao Zhang
A series of novel Ce-Cu modified V2O5/TiO2 based commercial SCR catalysts were prepared via ultrasonic-assisted impregnation method for simultaneous removal of NO and elemental mercury (Hg(0)). Nitrogen adsorption, X-ray diffraction (XRD), temperature programmed reduction of H2 (H2-TPR) and X-ray photoelectron spectroscopy (XPS) were used to characterize the catalysts. 7% Ce-1% Cu/SCR catalyst exhibited the highest NO conversion efficiency (>97%) at 200-400°C, as well as the best Hg(0) oxidation activity (>75%) at 150-350°C among all the catalysts...
February 12, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28212489/direct-single-enzyme-biomineralization-of-catalytically-active-ceria-and-ceria-zirconia-nanocrystals
#12
Christopher D Curran, Li Lu, Yue Jia, Christopher J Kiely, Bryan W Berger, Steven McIntosh
Biomineralization is an intriguing approach to the synthesis of functional inorganic materials for energy applications whereby biological systems are engineered to mineralize inorganic materials and control their structure over multiple length scales under mild reaction conditions. Herein we demonstrate a single enzyme mediated biomineralization route to synthesize crystalline, catalytically active, quantum confined ceria (CeO2-x) and ceria-zirconia (Ce1-yZryO2-x) nanocrystals for application as environmental catalysts...
February 17, 2017: ACS Nano
https://www.readbyqxmd.com/read/28212036/development-of-ion-conductive-and-vapoluminescent-porous-coordination-polymers-composed-of-ruthenium-ii-metalloligand
#13
Ayako Watanabe, Atsushi Kobayashi, Erika Saitoh, Yuki Nagao, Shun Omagari, Takayuki Nakanishi, Yasuchika Hasegawa, W M C Sameera, Masaki Yoshida, Masako Kato
We synthesized two new porous coordination polymers (PCPs) {Ln7(OH)5[Ru(dcbpy)3]4·4nH2O} (Ln7-Ru4; Ln = Ce, Nd) composed of the luminescent ruthenium(II) metalloligand [Ru(4,4'-dcbpy)3](4-) ([4Ru]; 4,4'-dcbpy = 4,4'-dicarboxy-2,2'-bipyridine) and lanthanide ions Ln(3+) (Ln = Ce, Nd). These two PCPs Ln7-Ru4 are isomorphous with the previously reported PCP La7-Ru4, and the lattice constants (a, c, and unit cell volume V) changed systematically according to the lanthanide contraction. All three Ln7-Ru4 compounds have OH(-) anion containing porous structures and a large number of hydrate water molecules within the pores, resulting in moderate ion conductivities (10(-6)-10(-7) S cm(-1)) at 90% relative humidity (RH) and 298 K...
February 17, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28211938/establishment-and-validation-of-a-microfluidic-capillary-gel-electrophoresis-platform-method-for-purity-analysis-of-therapeutic-monoclonal-antibodies
#14
Michael T Smith, Shu Zhang, Troy Adams, Byron DiPaolo, Jennifer Dally
Capillary and microfluidic chip electrophoresis technologies are heavily utilized for development, characterization, release, and stability testing of biopharmaceuticals. Within the biopharmaceutical industry, CE-SDS and M-CGE are commonly used for purity determination by separation and quantitation of size-based variants. M-CGE is used primarily as a R&D tool for product and process development, while cGMP release and stability testing applications are commonly reserved for CE-SDS. This paper describes the establishment of a M-CGE platform method to be used for R&D and cGMP applications, including release and stability testing, for monoclonal antibodies...
February 17, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28210706/single-balloon-enteroscopy-efficacy-and-degree-of-concordance-with-noninvasive-evaluation-of-small-bowel
#15
Margarida Marques, João Antunes, Rosa Coelho, Hélder Cardoso, Filipe Vilas Boas, Armando Ribeiro, Guilherme Macedo
Background and study aims Clinical impact of single-balloon enteroscopy (SBE) is fairly known, as well as its diagnostic yield comparing with other small bowel gastrointestinal investigations. This study represents a contribution to better understand it and is designed to evaluate SBE efficacy and degree of concordance with previous evaluation of small bowel. Patients and methods This is a single-center retrospective study of patients that underwent SBE with suspected small bowel disease based on non-invasive imaging...
February 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28210507/super-selective-mesenteric-embolization-provides-effective-control-of-lower-gi-bleeding
#16
Toan Pham, Bob Anh Tran, Kevin Ooi, Marcus Mykytowycz, Stephen McLaughlin, Matthew Croxford, Iain Skinner, Ian Faragher
Introduction. We aimed to assess the efficacy and safety of digital subtraction angiography (DSA) and super-selective mesenteric artery embolization (SMAE) in managing lower GI bleeding (LGIB). Method. A retrospective case series of patients with LGIB treated with SMAE in our health service. Patients with confirmed active LGIB, on either radionuclide scintigraphy (RS) or contrast-enhanced multidetector CT angiography (CE-MDCT), were referred for DSA +/- SMAE. Data collected included patient characteristics, screening modality, bleeding territory, embolization technique, technical and clinical success, short-term to medium-term complications, 30-day mortality, and progression to surgery related to procedural failure or complications...
2017: Radiology Research and Practice
https://www.readbyqxmd.com/read/28209914/clinical-examination-in-the-osce-era-are-we-maintaining-the-balance-between-os-and-ce
#17
EDITORIAL
Alexandre Lafleur, Jimmie Leppink, Luc Côté
No abstract text is available yet for this article.
February 16, 2017: Postgraduate Medical Journal
https://www.readbyqxmd.com/read/28209330/role-of-magnetic-resonance-imaging-in-detection-of-pathologic-complete-remission-in-breast-cancer-patients-treated-with-neoadjuvant-chemotherapy-a-meta-analysis
#18
REVIEW
Yan-Lin Gu, Si-Meng Pan, Jie Ren, Zhi-Xue Yang, Guo-Qin Jiang
Pathologic complete remission after neoadjuvant chemotherapy has a role in guiding the management of breast cancer. The present meta-analysis examined the accuracy of contrast-enhanced magnetic resonance imaging (CE-MRI) and diffusion-weighted magnetic resonance imaging (DW-MRI) in detecting the response to neoadjuvant chemotherapy and compared CE-MRI with ultrasonography, mammography, and positron emission tomography/computed tomography (PET/CT). Medical subject heading terms and related keywords were searched to generate a compilation of eligible studies...
January 11, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28209098/the-predictive-value-of-negative-capsule-endoscopy-for-the-indication-of-obscure-gastrointestinal-bleeding-no-reassurance-in-the-long-term
#19
C Van de Bruaene, P Hindryckx, C Snauwaert, D Dooremont, B Vanduyfhuys, L Vandenabeele, M De Vos, D De Looze
BACKGROUND: Capsule Endoscopy (CE) has become the first-line tool to identify an underlying etiology for Obscure Gastrointestinal Bleeding (OGIB) in the small bowel (SB). This study aims to investigate the long-term outcome of patients with a negative CE. METHODS: Retrospective review of standardized application forms of all patients who underwent CE for OGIB at the Ghent University Hospital between 2002 and 2013. Follow-up data on patients with a negative CE result (n=263) were collected by contacting the referring physician...
September 2016: Acta Gastro-enterologica Belgica
https://www.readbyqxmd.com/read/28208305/predicting-electrophoretic-mobility-of-tryptic-peptides-for-high-throughput-cze-ms-analysis
#20
Oleg V Krokhin, Geoffrey Anderson, Vic Spicer, Liangliang Sun, Norman J Dovichi
A multiparametric sequence-specific model for predicting peptide electrophoretic mobility has been developed using large-scale bottom-up proteomic CE-MS data (5% (∼0.8M) acetic acid as background electrolyte). Peptide charge (Z) and size (molecular mass, M) are the two major factors determining electrophoretic mobility, in complete agreement with previous studies. The extended size of the data set (>4000 peptides) permits access to many sequence-specific factors that impact peptide mobility. The presence of acidic residues Asp and Glu near the peptide N-terminus is by far the most prominent among them...
February 7, 2017: Analytical Chemistry
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