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https://www.readbyqxmd.com/read/28050905/detailed-analysis-of-criteria-and-particle-emissions-from-a-very-large-crude-carrier-using-a-novel-eca-fuel
#1
Nicholas R Gysel, William A Welch, Kent C Johnson, Wayne Miller, David R Cocker
Ocean going vessels (OGVs) operating within emission control areas (ECA) are required to use fuels with ≤ 0.1 weight percent sulfur. Up to now only distillate fuels could meet the sulfur limits. Recently refiners created a novel low-sulfur heavy-fuel oil (LSHFO) meeting the sulfur limits so questions were posed whether nitric oxide (NOx) and particulate matter (PM) emissions were the same for the two fuels. This project characterized criteria pollutants and undertook a detailed analysis of PM emissions from a very large crude oil carrier (VLCC) using a distillate ECA fuel (MGO) and novel LSHFO...
January 4, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28045649/cost-effectiveness-of-pemetrexed-in-combination-with-cisplatin-as-first-line-treatment-for-patients-with-advanced-non-squamous-non-small-cell-lung-cancer-in-spain
#2
Jonathan González García, Fernando Gutiérrez Nicolás, Gloria Julia Nazco Casariego, Cristina Valcárcel Nazco, Jose Norberto Batista López, Juana Oramas Rodríguez
INTRODUCTION: Lung cancer is the third most frequent neoplastic tumour in Spain, with around 27 000 new cases diagnosed per year; 80-95% of these are non-small-cell cancer (NSCLC), and the majority of cases are diagnosed in advanced stages of the disease, and for this reason it is one of the oncologic conditions with higher mortality rates (21.4% mean survival at 5 years). The main treatment regimens used for first-line treatment of NSCLC are: cisplatin/pemetrexed (cis/pem), cisplatin/gemcitabine/ bevacizumab (cis/gem/bev), and carboplatin/paclitaxel/ bevacizumab (carb/pac/bev)...
January 1, 2017: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/27986586/evaluation-of-carbohydrate-restriction-as-primary-treatment-for-post-gastric-bypass-hypoglycemia
#3
Jorick van Meijeren, Ilse Timmer, Hans Brandts, Ignace Janssen, Hans de Boer
BACKGROUND: Up to 15% of patients who have undergone Roux-en-Y gastric bypass (RYGB) surgery may eventually develop symptoms of hypoglycemia. OBJECTIVES: To evaluate the daily life efficacy of a carbohydrate (carb)-restricted dietary advice (CRD) of 6 meals per day with a 30 g carb maximum per meal in patients with documented post-RYGB hypoglycemia. SETTING: Teaching hospital, the Netherlands. METHODS: Frequency and severity of hypoglycemic events before and after CRD were assessed retrospectively in 41 patients with documented post-RYGB hypoglycemia, based on medical records and telephone questionnaires...
November 5, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/27984656/the-toxicity-and-efficacy-of-concomitant-chemoradiotherapy-in-patients-aged-70-years-and-older-with-oropharyngeal-carcinoma-in-the-intensity-modulated-radiotherapy-era
#4
Zachary S Zumsteg, Benjamin H Lok, Allen S Ho, Esther Drill, Zhigang Zhang, Nadeem Riaz, Stephen L Shiao, Jennifer Ma, Sean M McBride, C Jillian Tsai, Shrujal S Baxi, Eric J Sherman, Nancy Y Lee
BACKGROUND: Despite controversy surrounding its benefit, the use of concomitant chemoradiotherapy (CCRT) in patients with oropharyngeal squamous cell carcinoma (OPSCC) who are aged > 70 years is increasing. However, to the authors' knowledge, few studies to date have compared the outcomes of different systemic treatments in this population. METHODS: Records from 74 patients aged ≥ 70 years with stage III to stage IVB OPSCC who were undergoing CCRT from 2002 to 2013 at a single institution were reviewed...
December 16, 2016: Cancer
https://www.readbyqxmd.com/read/27980849/crystal-structure-of-a-2-1-co-crystal-of-meloxicam-with-acetyl-endi-carb-oxy-lic-acid
#5
Christian Tantardini, Sergey G Arkhipov, Ksenya A Cherkashina, Alexander S Kil'met'ev, Elena V Boldyreva
The pharmaceutical 2:1 co-crystal of meloxicam [MXM; systematic name: 4-hy-droxy-2-methyl-N-(5-methyl-thia-zol-2-yl)-2H-1,2-benzo-thia-zine-3-carboxamide 1,1-dioxide] with acetyl-enedi-carb-oxy-lic acid (ACA; systematic name: but-2-ynedioic acid), crystallizes with one MXM mol-ecule and half an ACA mol-ecule in the asymmetric unit, C14H13N3O4S2·0.5C4H2O4. The mid-point of the triple bond of ACA is located on an inversion centre. In the crystal, the two stereoisomers of MXM with respect to the N atom of the sulfonamide group are related by the inversion centre...
December 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/27980844/crystal-structure-of-fluroxypyr
#6
Hyunjin Park, Myong Yong Choi, Eunjin Kwon, Tae Ho Kim
In the title pyridine herbicide {systematic name: 2-[(4-amino-3,5-di-chloro-6-fluoro-pyridin-2-yl)-oxy]acetic acid}, C7H5Cl2FN2O3, the mean plane of the carb-oxy-lic acid substituent and the pyridyl ring plane subtend a dihedral angle of 77.5 (1)°. In the crystal, pairs of O-H⋯O hydrogen bonds form inversion dimers with R2(2)(8) ring motifs. These are extended into chains along [011] by N-H⋯F hydrogen bonds. In addition, inter-molecular N-H⋯O hydrogen bonds and weak π-π inter-actions [ring centroid separation = 3...
December 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/27976410/determination-of-oxathiapiprolin-concentration-and-dissipation-in-grapes-and-soil-by-ultrahigh-performance-liquid-chromatography-tandem-mass-spectrometry
#7
P Z Yu, E C Zhao, C H Jia, L Chen, H J He, J J Jing, M He
BACHGROUND: The residue concentrations and dissipation rate of a new oxathiapiprolin fungicide in the grapes and soil were investigated to provide an evaluation for the safe use of oxathiapiprolin in grape. Pesticide residue was extracted by acetonitrile, then purified by SPE with Envi-Carb cartridge and determined by ultrahigh performance liquid chromatography-tandem mass spectrometry. RESULTS: The fortified recoveries ranged from 85.2%-99.0% with relative standard deviations of 1...
December 15, 2016: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/27927915/comparative-evaluation-of-four-phenotypic-tests-for-the-detection-of-carbapenemase-producing-gram-negative-bacteria
#8
Audrey Noël, Te-Din Huang, Catherine Berhin, Martin Hoebeke, Warda Bouchahrouf, Sami Yunus, Pierre Bogaerts, Youri Glupczynski
Four screening assays aimed for rapid detection of carbapenemase production from Gram-negative bacterial isolates i.e. the Neo-Rapid CARB kit (Rosco Diagnostica A/S), the RAPIDEC CARBA NP test (BioMérieux SA), the β CARBA test (Bio-Rad Laboratories N.V) and a home-made electrochemical assay (BYG Carba test) were evaluated against a panel comprising 328 clinical isolates (Enterobacteriaceae [n= 198], nonfermentative Gram-negative bacilli [n = 130]) with previously characterized resistance mechanisms to carbapenems...
December 7, 2016: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27925323/synthesis-binding-properties-and-differences-on-cell-uptake-of-g-quadruplex-ligands-based-on-carbohydrate-naphthalene-diimide-conjugates
#9
Matilde Arevalo, Filippo Doria, Efres Belmonte-Reche, Aurore De Rache, Jenny Campos-Salinas, Ricardo Lucas, Eva Falomir, Miguel Carda, Jose María Pérez-Victoria, Jean-Louis Mergny, Mauro Freccero, Juan Carlos Morales
G-quadruplex (G4) are currently being explored as therapeutic targets in cancer and other pathologies. We have synthesized six carbohydrate naphthalene diimide conjugates (carb-NDIs) as G4 ligands to investigate their potential selectivity on G4 binding and on cell penetration. Carb-NDIs have shown certain selectivity for G4 structures against DNA duplexes but the different sugar moieties did not induce a preference for a specific G4 topology. Interestingly, when monosaccharides were attached through a short ethylene linker to the NDI scaffold their cellular uptake was 2-3 fold more efficient than when the sugar was directly attached through its anomeric position...
December 7, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27920921/a-two-dimensional-cd-ii-coordination-polymer-poly-di-aqua-%C3%AE-3-5-6-bis-pyridin-2-yl-pyrazine-2-3-di-carboxyl-ato-%C3%AE%C2%BA-5-o-2-o-3-o-3-n-4-n-5-cadmium
#10
Monserrat Alfonso, Helen Stoeckli-Evans
The reaction of 5,6-bis-(pyridin-2-yl)pyrazine-2,3-di-carb-oxy-lic acid with cadmium dichloride leads to the formation of the title two-dimensional coordination polymer, [Cd(C16H8N4O4)(H2O)2] n . The metal atom is sevenfold coordinated by one pyrazine and one pyridine N atom, two water O atoms, and by two carboxyl-ate O atoms, one of which bridges two Cd(II) atoms to form a Cd2O2 unit situated about a centre of inversion. Hence, the ligand coordinates to the cadmium atom in an N,N',O-tridentate and an O-monodentate manner...
September 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/27919361/adverse-effects-on-insulin-secretion-of-replacing-saturated-fat-with-refined-carbohydrate-but-not-with-monounsaturated-fat-a-randomized-controlled-trial-in-centrally-obese-subjects
#11
Lin F Chang, Shireene R Vethakkan, Kalanithi Nesaretnam, Thomas A B Sanders, Kim-Tiu Teng
BACKGROUND: Current dietary guidelines recommend the replacement of saturated fatty acids (SAFAs) with carbohydrates or monounsaturated fatty acids (MUFAs) based on evidence on lipid profile alone, the chronic effects of the mentioned replacements on insulin secretion and insulin sensitivity are however unclear. OBJECTIVE: To assess the chronic effects of the substitution of refined carbohydrate or MUFA for SAFA on insulin secretion and insulin sensitivity in centrally obese subjects...
November 2016: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/27916604/carbapenem-resistant-and-cephalosporin-susceptible-a-worrisome-phenotype-among-pseudomonas-aeruginosa-clinical-isolates-in-brazil
#12
Eloiza Helena Campana, Danilo Elias Xavier, Fernanda Villas-Boas Petrolini, Jhonatha Rodrigo Cordeiro-Moura, Maria Rita Elmor de Araujo, Ana Cristina Gales
The mechanisms involved in the uncommon resistance phenotype, carbapenem resistance and broad-spectrum cephalosporin susceptibility, were investigated in 25 Pseudomonas aeruginosa clinical isolates that exhibited this phenotype, which were recovered from three different hospitals located in São Paulo, Brazil. The antimicrobial susceptibility profile was determined by CLSI broth microdilution. β-lactamase-encoding genes were investigated by PCR followed by DNA sequencing. Carbapenem hydrolysis activity was investigated by spectrophotometer and MALDI-TOF assays...
December 1, 2016: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27753147/grape-pomace-improves-antioxidant-capacity-and-faecal-microflora-of-lambs
#13
I Kafantaris, B Kotsampasi, V Christodoulou, E Kokka, P Kouka, Z Terzopoulou, K Gerasopoulos, D Stagos, C Mitsagga, I Giavasis, S Makri, K Petrotos, D Kouretas
Grape pomace is a by-product of winemaking process and rich in bioactive compounds such as plant polyphenols having antioxidant and antimicrobial activities. As known, oxidative stress may cause a number of pathological conditions in farm animals and thus affecting animal welfare and production. Moreover, pathogenic bacteria affect animals' health status. Thus, the objective of this study was to investigate whether lambs' feed supplemented with grape pomace enhances the antioxidant mechanisms and reduces the growth of pathogenic bacteria...
October 18, 2016: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/27746935/crystal-structures-of-the-two-epimers-from-the-unusual-thermal-c6-epimerization-of-5-oxo-1-2-3-5-5a-6-7-9b-octa-hydro-7-9a-ep-oxy-pyrrolo-2-1-a-iso-indole-6-carb-oxy-lic-acid-5a-rs-6-sr-7-rs-9a-sr-9b-sr-and-5a-rs-6-rs-7-rs-9a-sr-9b-sr
#14
Dmitry S Poplevin, Fedor I Zubkov, Pavel V Dorovatovskii, Yan V Zubavichus, Victor N Khrustalev
The isomeric title compounds, C12H13NO4 (Ia) and C12H13NO4 (IIa), the products of an usual thermal C6-epimerization of 5-oxo-1,2,3,5,5a,6,7,9b-octa-hydro-7,9a-ep-oxy-pyrrolo-[2,1-a]iso-indole-6-carb-oxy-lic acid, represent the two different diastereomers and have very similar mol-ecular geometries. The mol-ecules of both compounds comprise a fused tetra-cyclic system containing four five-membered rings (pyrrolidine, pyrrolidinone, di-hydro-furan and tetra-hydro-furan), all of which adopt the usual envelope conformations...
October 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/27746934/crystal-structure-of-poly-%C3%AE-3-e-3-3-carboxyl-atometh-oxy-phen-yl-acrylato-%C3%AE%C2%BA-3-o-o-o-o-%C3%AE-2-3-pyridin-4-yl-1h-pyrazole-%C3%AE%C2%BA-2-n-n-cobalt-ii
#15
Can Zhao, Xiao-Zong Li, Hong-Lan Kang, Yi-Hang Wen
The title compound, [Co(C11H8O5)(C8H7N3)] n , which is based on (E)-3-[3-(carb-oxy-meth-oxy)phen-yl]acrylic acid (H2L) and 3-(pyridin-4-yl)pyrazole (pp) ligands, has been synthesized under solvothermal conditions. The dihedral angle between pyrazole and pyridine rings in the pp ligands is 23.1 (2)°. In the crystal, helical chains formed by pp and L ligands connected to the Co(II) atom propagate parallel to the c axis. Co(II) atoms of adjacent chains are bridged by the acrylic acid groups of L ligands into corrugated polymeric sheets in the ac plane...
October 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/27746931/isotypic-mn-ii-and-fe-ii-binuclear-complexes-of-the-ligand-5-6-bis-pyridin-2-yl-pyrazine-2-3-di-carb-oxy-lic-acid
#16
Monserrat Alfonso, Helen Stoeckli-Evans
The title isotypic complexes, bis-[μ-5,6-bis-(pyridin-2-yl)pyrazine-2,3-di-carboxylato]-κ(4)N(1),O(2),N(6):O(3);κ(4)O(3):N(1),O(2),N(6)-bis-[di-aqua-manganese(II)] tetra-hydrate, [Mn2(C16H8N4O4)2(H2O)4]·4H2O, (I), and bis-[μ-5,6-bis-(pyridin-2-yl)pyrazine-2,3-di-carboxyl-ato]-κ(4)N(1),O(2),N(6):O(3);κ(4)O(3):N(1),O(2),N(6)-bis-[di-aqua-iron(II)] tetrahydrate, [Fe2(C16H8N4O4)2(H2O)4]·4H2O, (II), are, respectively, the mangan-ese(II) and iron(II) complexes of the ligand 5,6-bis-(pyridin-2-yl)-pyrazine-2,3-di-carb-oxy-lic acid...
October 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/27746918/supra-molecular-inter-actions-in-the-1-2-co-crystal-of-4-4-bipyridine-and-3-chloro-thio-phene-2-carb-oxy-lic-acid
#17
Olakkandiyil Prajina, Packianathan Thomas Muthiah, David K Geiger
The asymmetric unit of the title compound, 2C5H3ClO2S·C10H8N2, is comprised of a mol-ecule of 3-chloro-thio-phene-2-carb-oxy-lic acid (3TPC) and half of a mol-ecule of 4,4'-bi-pyridine (BPY). A distinctive O-H⋯N-based synthon is present. Cl⋯Cl and π-π stacking inter-actions further stabilize the crystal structure, forming a two-dimensional network parallel to the bc plane.
October 1, 2016: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/27737785/detection-of-carbapenemase-activity-in-enterobacteriaceae-using-lc-ms-ms-in-comparison-with-the-neo-rapid-carb-kit-using-direct-visual-assessment-and-colorimetry
#18
Charlotte A Huber, Hanna E Sidjabat, Hosam M Zowawi, David Kvaskoff, Sarah Reed, John F McNamara, Kate L McCarthy, Patrick Harris, Benjamin Toh, Alexander M Wailan, David L Paterson
It has been described that the sensitivity of the Carba NP test may be low in the case of OXA-48-like carbapenamases and mass spectrometry based methods as well as a colorimetry based method have been described as alternatives. We evaluated 84 Enterobacteriaceae isolates including 31 OXA-48-like producing isolates and 13 isolates that produced either an imipenemase (IMP; n=8), New Delhi metallo-β-lactamase (NDM; n=3), or Klebsiella pneumoniae carbapenemase (KPC; n=2), as well as 40 carbapenemase negative Enterobacteriaceae isolates...
October 11, 2016: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/27733250/a-human-model-of-dietary-saturated-fatty-acid-induced-insulin-resistance
#19
Juraj Koska, Marlies K Ozias, James Deer, Julie Kurtz, Arline D Salbe, S Mitchell Harman, Peter D Reaven
BACKGROUND: Increased consumption of high-fat diets is associated with the development of insulin resistance and type 2 diabetes. Current models to study the mechanisms of high-fat diet-induced IR in humans are limited by their long duration or low efficacy. In the present study we developed and characterized an acute dietary model of saturated fatty acid-enriched diet induced insulin resistance. METHODS: High caloric diets enriched with saturated fatty acids (SFA) or carbohydrates (CARB) were evaluated in subjects with normal and impaired glucose tolerance (NGT or IGT)...
November 2016: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/27728770/investigation-of-extensively-drug-resistant-blaoxa-23-producing-acinetobacter-baumannii-spread-in-a-greek-hospital
#20
Angeliki Mavroidi, Maria Katsiari, Eleftheria Palla, Sofia Likousi, Zoi Roussou, Charikleia Nikolaou, Evangelia D Platsouka
A rapid increase was observed in the incidence of extensively drug-resistant Acinetobacter baumannii (XDR Aba) isolates in a Greek hospital during 2014. To investigate the causes of this rise, the antimicrobial resistance profiles of all carbapenem-resistant (CARB-R) Aba isolates recovered during 2014-2015 were determined. Selected XDR Aba isolates (n = 13) were characterized by molecular methods. XDR Aba (48 isolates) represented 21.4% of the 224 CARB-R Aba recovered during the study period. The 13 selected XDR Aba isolates were positive for the blaOXA-23, the intrinsic blaOXA-51, and the adeB gene of the AdeABC efflux pump, and all belonged to the 3LST ST101, corresponding to the international clone II...
October 11, 2016: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
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