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https://www.readbyqxmd.com/read/28327723/luminescence-and-white-light-emitting-luminescent-sensor-of-tetrafluoroterephthalate-lanthanide-metal-organic-frameworks
#1
Yongqiang Han, Pengfei Yan, Jingwen Sun, Guanghui An, Xu Yao, Yuxin Li, Guangming Li
Two types of sixteen complexes 1-16, namely, {[Ln(TFBDC)1.5(H2O)]·2H2O}n [Ln = Pr (1) and Nd (2)] and {[Ln(TFBDC)1.5(H2O)2]·H2O}n [Ln = Ce (3), Pr (4), Nd (5), Sm (6), Eu (7), Gd (8), Tb (9), Dy (10), Ho (11), Er (12), Yb (13) and Lu (14)], {[Dy0.281Eu0.719(TFBDC)1.5(H2O)2]·H2O}n (15) and {[Gd0.871Eu0.103Tb0.026(TFBDC)1.5(H2O)2]·H2O}n (16), were isolated by the reaction of LnCl3·6H2O with 2,3,5,6-tetrafluoroterephthalic acid (H2TFBDC). X-ray crystallographic analysis revealed that 1 and 2 exhibit 3D network structures and complexes 3-14 feature 2D network structures formed via three different coordination modes of the ligand...
March 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28327464/monte-carlo-simulations-of-time-of-flight-pet-with-double-ended-readout-calibration-coincidence-resolving-times-and-statistical-lower-bounds
#2
Stephen E Derenzo
This paper demonstrates through Monte Carlo simulations that a practical positron emission tomograph with (1) deep scintillators for efficient detection, (2) double-ended readout for depth-of-interaction information, (3) fixed-level analog triggering, and (4) accurate calibration and timing data corrections can achieve a coincidence resolving time (CRT) that is not far above the statistical lower bound. One Monte Carlo algorithm simulates a calibration procedure that uses data from a positron point source. Annihilation events with an interaction near the entrance surface of one scintillator are selected, and data from the two photodetectors on the other scintillator provide depth-dependent timing corrections...
March 22, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28301284/immunogenicity-and-protective-efficacy-of-recombinant-bacille-calmette-guerin-strains-expressing-mycobacterium-antigens-ag85a-cfp10-esat-6-gm-csf-and-il-12p70
#3
Fu-Ying Dai, Jun-Fang Wang, Xue-Li Gong, Lang Bao
OBJECTIVE: This study aimed to evaluate the immunogenicity and protective efficacy of recombinant bacille calmette-guerin (rBCG) strains expressing Ag85A (A), CFP10 (C), ESAT6 (E), IL-12p70 (I), and fusion protein GM-CSF (G). METHOD: rBCGs were established by integrating of A, C, E, I, G, AE, CE, IE, GC, GE and GCE into Mycobacterium bovis BCG-1173 and BCG-SH. The macro-effects of rBCGs on mice were evaluated by phenotype and weight. The immunogenicity of rBCGs was analyzed by lgG, lgG1 and lgG2a antibody titers, and IFN-γ and IL-4 contents through Enzyme-linked immunosorbent assay (ELISA)...
February 14, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28281046/successful-percutaneous-treatment-of-extrahepatic-cystic-echinococcosis-through-pair-and-single-puncture-catheter-techniques
#4
Serdar Arslan, Suleyman Bakdik, Fatih Oncu, Ismet Tolu, Mehmet Ali Eryilmaz
PURPOSE: To demonstrate the successful percutaneous treatment of extrahepatic cystic echinococcosis as an alternative to surgical procedures. MATERIALS AND METHODS: A total of 27 extrahepatic hydatid cysts in 12 patients, the spleen in 8 patients, muscles and soft tissues in 3 patients each and right adrenal gland in 1 patient were treated with PAIR (puncture, aspiration, injection, respiration) or single puncture catheterization methods. As a scolicidal and sclerosing agent, alcohol was used in all patients...
March 9, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28274211/redefining-radiotherapy-for-early-stage-breast-cancer-with-single-dose-ablative-treatment-a-study-protocol
#5
R K Charaghvandi, B van Asselen, M E P Philippens, H M Verkooijen, C H van Gils, P J van Diest, R M Pijnappel, M G G Hobbelink, A J Witkamp, T van Dalen, E van der Wall, T C van Heijst, R Koelemij, M van Vulpen, H J G D van den Bongard
BACKGROUND: A shift towards less burdening and more patient friendly treatments for breast cancer is currently ongoing. In low-risk patients with early-stage disease, accelerated partial breast irradiation (APBI) is an alternative for whole breast irradiation following breast-conserving surgery. MRI-guided single dose ablative APBI has the potential to offer a minimally burdening, non-invasive treatment that could replace current breast-conserving therapy. METHODS: The ABLATIVE study is a prospective, single arm, multicenter study evaluating preoperative, single dose, ablative radiation treatment in patients with early-stage breast cancer...
March 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28273926/temperature-effect-on-the-stability-of-the-polarized-state-created-by-local-electric-fields-in-strontium-barium-niobate-single-crystals
#6
V Ya Shur, V A Shikhova, D O Alikin, V A Lebedev, L I Ivleva, J Dec, D C Lupascu, V V Shvartsman
The stability of ferroelectric domain patterns at the nanoscale has been a topic of much interest for many years. We investigated the relaxation of the polarized state created by application of a local electric field using a conductive tip of a scanning probe microscope for the model uniaxial relaxor system SrxBa1-xNb2O6 (SBN) in its pure and Ce-doped form. The temporal relaxation of the induced PFM contrast was measured at various temperatures. The average value of the induced contrast decreases during heating for all investigated crystals...
December 2017: Scientific Reports
https://www.readbyqxmd.com/read/28272534/genetics-of-the-peloponnesean-populations-and-the-theory-of-extinction-of-the-medieval-peloponnesean-greeks
#7
George Stamatoyannopoulos, Aritra Bose, Athanasios Teodosiadis, Fotis Tsetsos, Anna Plantinga, Nikoletta Psatha, Nikos Zogas, Evangelia Yannaki, Pierre Zalloua, Kenneth K Kidd, Brian L Browning, John Stamatoyannopoulos, Peristera Paschou, Petros Drineas
Peloponnese has been one of the cradles of the Classical European civilization and an important contributor to the ancient European history. It has also been the subject of a controversy about the ancestry of its population. In a theory hotly debated by scholars for over 170 years, the German historian Jacob Philipp Fallmerayer proposed that the medieval Peloponneseans were totally extinguished by Slavic and Avar invaders and replaced by Slavic settlers during the 6th century CE. Here we use 2.5 million single-nucleotide polymorphisms to investigate the genetic structure of Peloponnesean populations in a sample of 241 individuals originating from all districts of the peninsula and to examine predictions of the theory of replacement of the medieval Peloponneseans by Slavs...
March 8, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28268010/first-experiences-with-heartmate-3-follow-up-and-adverse-events
#8
Jasmin S Hanke, Günes Dogan, Sebastian V Rojas, Amelie Zoch, Christina Feldmann, Ezin Deniz, Murat Avsar, Gregor Warnecke, Axel Haverich, Jan D Schmitto
BACKGROUND: The novel HeartMate 3 (HM3) left ventricular assist device (LVAD) received its CE mark in October 2015. It is a new compact LVAD featuring fully magnetically levitated pump, artificial pulse, large pump gaps, and a modular driveline. Here, we present outcomes and adverse events of a single-center cohort 6 months after HM3 implantation. METHODS: We retrospectively studied a patient cohort of 27 patients who were supported with the HM3 at a single institution...
February 9, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28267531/-18-f-fdg-pet-ct-and-contrast-enhanced-ct-findings-of-pulmonary-cryptococcosis
#9
Si-Yun Wang, Gang Chen, Dong-Lan Luo, Dan Shao, En-Tao Liu, Taotao Sun, Shu-Xia Wang
PURPOSE: Pulmonary cryptococcosis is an uncommon cause of pulmonary nodules in non-AIDS patients. This study reports the (18)F-fluorodeoxyglucose-positron emission tomography ((18)F-FDG PET/CT) and contrast-enhanced CT (CE-CT) findings of 42 patients with pulmonary cryptococcosis. MATERIALS AND METHODS: A retrospective review of the (18)F-FDG PET/CT and CE-CT findings of 42 patients with histologically proven pulmonary cryptococcosis was conducted. All patients underwent PET/CT and CE-CT in the same session...
April 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28262886/a-comparative-study-of-surface-energies-and-water-adsorption-on-ce-bastn%C3%A3-site-la-bastn%C3%A3-site-and-calcite-via-density-functional-theory-and-water-adsorption-calorimetry
#10
Sriram Goverapet Srinivasan, Radha Shivaramaiah, Paul R C Kent, Andrew G Stack, Richard Riman, Andre Anderko, Alexandra Navrotsky, Vyacheslav S Bryantsev
Bastnäsite, a fluoro-carbonate mineral, is the single largest mineral source of light rare earth elements (REE), La, Ce and Nd. Enhancing the efficiency of separation of the mineral from gangue through froth flotation is the first step towards meeting an ever increasing demand for REE. To design and evaluate collector molecules that selectively bind to bastnäsite, a fundamental understanding of the structure and surface properties of bastnäsite is essential. In our earlier work (J. Phys. Chem. C, 2016, 120, 16767), we carried out an extensive study of the structure, surface stability and water adsorption energies of La-bastnäsite...
March 6, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28256731/sequence-requirements-of-oligonucleotide-chiral-selectors-for-the-capillary-electrophoresis-resolution-of-low-affinity-dna-binders
#11
Luma Tohala, Farid Oukacine, Corinne Ravelet, Eric Peyrin
We recently reported that a great variety of DNA oligonucleotides (ONs) used as chiral selectors in partial-filling capillary electrophoresis (CE) exhibited interesting enantioresolution properties towards low-affinity DNA binders. Herein, the sequence prerequisites of ONs for the CE enantioseparation process were studied. First, the chiral resolution properties of a series of homopolymeric sequences (Poly-dT) of different lengths (from 5 to 60-mer) were investigated. It was shown that the size increase-dependent random coil-like conformation of Poly-dT favorably acted on the apparent selectivity and resolution...
March 3, 2017: Electrophoresis
https://www.readbyqxmd.com/read/28254576/effect-of-short-term-alkaline-intervention-on-the-performance-of-buffer-free-single-chamber-microbial-fuel-cell
#12
Na Yang, Yueping Ren, Xiufen Li, Xinhua Wang
Anolyte acidification is a drawback restricting the electricity generation performance of the buffer-free microbial fuel cells (MFC). In this paper, a small amount of alkali-treated anion exchange resin (AER) was placed in front of the anode in the KCl mediated single-chamber MFC to slowly release hydroxyl ions (OH(-)) and neutralize the H(+) ions that are generated by the anodic reaction in two running cycles. This short-term alkaline intervention to the KCl anolyte has promoted the proliferation of electroactive Geobacter sp...
June 2017: Bioelectrochemistry
https://www.readbyqxmd.com/read/28253209/short-article-aspiration-of-capsule-endoscopes-a-comprehensive-review-of-the-existing-literature
#13
Diana E Yung, John N Plevris, Anastasios Koulaouzidis
INTRODUCTION: Capsule endoscopy (CE) has an excellent safety profile. Although retention is the most cited complication, capsule aspiration is less frequent and is often reported only as isolated cases. This study represents a systematic effort to compile and scrutinize the available data on capsule aspiration to provide comprehensive and conclusive information on this CE complication. MATERIALS AND METHODS: A systematic literature search was performed in PubMed, Embase and Chinese National Knowledge Infrastructure...
April 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28240989/probing-the-magnetic-ground-state-of-single-crystalline-ce3tisb5
#14
M Matin, R Kulkarni, A Thamizhavel, S K Dhar, A Provino, P Manfrinetti
Motivated by the report of superconductivity in R3TiSb5 (R  =  La and Ce) and possibly Nd3TiSb5 at  ∼4 K, we grew single crystals of La3TiSb5 and Ce3TiSb5 by the high-temperature solution method using Sn as a flux. While in both compounds we observed a superconducting transition at 3.7 K for resistivity and low-field magnetization, our data conclusively show that it arose from residual Sn flux present in the single crystals. In particular, the heat capacity data do not present any of the anomalies expected from a bulk superconducting transition...
February 27, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/28237589/application-of-a-bacteriological-on-farm-test-to-reduce-antimicrobial-usage-in-dairy-cows-with-purulent-vaginal-discharge
#15
L V Madoz, I Prunner, M Jaureguiberry, C-C Gelfert, R L de la Sota, M J Giuliodori, M Drillich
The objective of this study was to assess the effect of a selective antibiotic treatment strategy based on a quick bacteriological on-farm test (Petrifilm, 3M Corp., St. Paul, MN) compared with the conventional antibiotic treatment of all cows having clinical endometritis (CE) defined by the presence of purulent vaginal discharge on both clinical cure rate and reproductive performance. The study was simultaneously conducted with dairy cows reared under a highly supplemented rotational grazing system in Argentina and in a freestall system in Slovakia...
February 22, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28235596/outcomes-after-liquid-nitrogen-spray-cryotherapy-in-barrett-s-esophagus-associated-high-grade-dysplasia-and-intramucosal-adenocarcinoma-5-year-follow-up
#16
Fariha H Ramay, Qingping Cui, Bruce D Greenwald
BACKGROUND: Liquid nitrogen spray cryotherapy (LNSCT) has been shown to be a safe, well-tolerated, and effective therapy for Barrett's esophagus (BE)-associated high grade dysplasia (BE-HGD) and intramucosal adenocarcinoma (IMC). Long-term follow-up is lacking. AIMS: The authors' aim was to assess the efficacy, durability, and rate of neoplastic progression after LNSCT in BE-HGD/IMC at 3 and 5 years. METHODS: In this single-center, retrospective study drawn from a prospective database, patients with BE-HGD/IMC of any length treated with LNSCT were followed with surveillance endoscopy with biopsy for 3 to 5 years...
February 21, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28219323/a-preliminary-assessment-of-the-lma-protector%C3%A2-in-non-paralysed-patients
#17
Ban Leong Sng, Farida Binte Ithnin, Deepak Mathur, Eileen Lew, Nian-Lin Reena Han, Alex Tiong-Heng Sia
BACKGROUND: The LMA Protector™ is the latest CE marked single use supraglottic airway device. This airway device provides access and functional separation of the respiratory and digestive tracts. There are two ports (male, female ports) to provide suction in the laryngeal region and insertion of the gastric tube. The aim of our study is to assess the ease of use, airway quality, device positioning, airway leak and complications associated with initial clinical experience in LMA Protector™ usage...
February 20, 2017: BMC Anesthesiology
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
#18
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
#19
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/28213262/one-single-fast-and-robust-capillary-electrophoresis-method-for-the-direct-quantification-of-intact-adenovirus-particles-in-upstream-and-downstream-processing-samples
#20
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
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