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[PMID]:28039742
[Au] Autor:Ha JW; Lee JI; Kang DH
[Ad] Endereço:Department of Food and Biotechnology, College of Engineering, Food & Bio-industry Research Center, Hankyong National University, Anseong-si 17579, South Korea.
[Ti] Título:Application of a 222-nm krypton-chlorine excilamp to control foodborne pathogens on sliced cheese surfaces and characterization of the bactericidal mechanisms.
[So] Source:Int J Food Microbiol;243:96-102, 2017 Feb 21.
[Is] ISSN:1879-3460
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:This study was conducted to investigate the basic spectral properties of a 222-nm krypton-chlorine (KrCl) excilamp and its inactivation efficacy against major foodborne pathogens on solid media, as well as on sliced cheese compared to a conventional 254-nm low-pressure mercury (LP Hg) lamp. Selective media and sliced cheese inoculated with Escherichia coli O157:H7, Salmonella enterica serovar Typhimurium, and Listeria monocytogenes were irradiated with a KrCl excilamp and a LP Hg lamp at the same dose. The KrCl excilamp showed full radiant intensity from the outset at a wide range of working temperatures, especially at low temperatures of around 0 to 10°C. Irradiation with 222nm UV-C showed significantly (P<0.05) higher inactivation capacity against all three pathogens than 254-nm radiation on both media and sliced cheese surfaces without generating many sublethally injured cells which potentially could recover. The underlying inactivation mechanisms of 222-nm KrCl excilamp treatment were evaluated by fluorescent staining methods and damage to cellular membranes and intracellular enzyme inactivation were the primary factors contributing to the enhanced bactericidal effect. The results of this study suggest that a 222-nm UV-C surface disinfecting system can be applied as an alternative to conventional LP Hg lamp treatment by the dairy industry.
[Mh] Termos MeSH primário: Queijo/microbiologia
Desinfecção/métodos
Escherichia coli O157/efeitos da radiação
Listeria monocytogenes/efeitos da radiação
Viabilidade Microbiana/efeitos da radiação
Salmonella typhimurium/efeitos da radiação
Raios Ultravioleta
[Mh] Termos MeSH secundário: Cloro/química
Temperatura Baixa
Contagem de Colônia Microbiana
Desinfetantes
Microbiologia de Alimentos
Criptônio/química
Pressão
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Disinfectants); 4R7X1O2820 (Chlorine); 5I8I620HVX (Krypton)
[Em] Mês de entrada:1704
[Cu] Atualização por classe:170817
[Lr] Data última revisão:
170817
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170101
[St] Status:MEDLINE


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[PMID]:27001214
[Au] Autor:Kwok WH; Choi TL; So PK; Yao ZP; Wan TS
[Ad] Endereço:Racing Laboratory, The Hong Kong Jockey Club, Sha Tin Racecourse, Sha Tin, N.T., Hong Kong, China.
[Ti] Título:Simultaneous detection of xenon and krypton in equine plasma by gas chromatography-tandem mass spectrometry for doping control.
[So] Source:Drug Test Anal;9(2):317-322, 2017 Feb.
[Is] ISSN:1942-7611
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Xenon can activate the hypoxia-inducible factors (HIFs). As such, it has been allegedly used in human sports for increasing erythropoiesis. Krypton, another noble gas with reported narcosis effect, can also be expected to be a potential and less expensive erythropoiesis stimulating agent. This has raised concern about the misuse of noble gases as doping agents in equine sports. The aim of the present study is to establish a method for the simultaneous detection of xenon and krypton in equine plasma for the purpose of doping control. Xenon- or krypton-fortified equine plasma samples were prepared according to reported protocols. The target noble gases were simultaneously detected by gas chromatography-triple quadrupole mass spectrometry using headspace injection. Three xenon isotopes at m/z 129, 131, and 132, and four krypton isotopes at m/z 82, 83, 84, and 86 were targeted in selected reaction monitoring mode (with the precursor ions and product ions at identical mass settings), allowing unambiguous identification of the target analytes. Limits of detection for xenon and krypton were about 19 pmol/mL and 98 pmol/mL, respectively. Precision for both analytes was less than 15%. The method has good specificity as background analyte signals were not observed in negative equine plasma samples (n = 73). Loss of analytes under different storage temperatures has also been evaluated. Copyright © 2016 John Wiley & Sons, Ltd.
[Mh] Termos MeSH primário: Cromatografia Gasosa-Espectrometria de Massas/métodos
Hematínicos/sangue
Cavalos/sangue
Criptônio/sangue
Xenônio/sangue
[Mh] Termos MeSH secundário: Animais
Limite de Detecção
Detecção do Abuso de Substâncias/métodos
Espectrometria de Massas em Tandem/métodos
[Pt] Tipo de publicação:JOURNAL ARTICLE; VALIDATION STUDIES
[Nm] Nome de substância:
0 (Hematinics); 3H3U766W84 (Xenon); 5I8I620HVX (Krypton)
[Em] Mês de entrada:1706
[Cu] Atualização por classe:170630
[Lr] Data última revisão:
170630
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160323
[St] Status:MEDLINE
[do] DOI:10.1002/dta.1971


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[PMID]:27203543
[Au] Autor:Hong SR; Chang S; Im DJ; Suh YJ; Hong YJ; Hur J; Kim YJ; Choi BW; Lee HJ
[Ad] Endereço:From the Department of Radiology, Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, 50-1 Yonsei-ro, Seodaemun-gu, Seoul 120-752, Korea.
[Ti] Título:Feasibility of Single Scan for Simultaneous Evaluation of Regional Krypton and Iodine Concentrations with Dual-Energy CT: An Experimental Study.
[So] Source:Radiology;281(2):597-605, 2016 Nov.
[Is] ISSN:1527-1315
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Purpose To evaluate the feasibility of a simultaneous single scan of regional krypton and iodine concentrations by using dual-energy computed tomography (CT). Materials and Methods The study was approved by the institutional animal experimental committee. An airway obstruction model was first made in 10 beagle dogs, and a pulmonary arterial occlusion was induced in each animal after 1 week. For each model, three sessions of dual-energy CT (80% krypton ventilation [krypton CT], 80% krypton ventilation with iodine enhancement [mixed-contrast agent CT], and iodine enhancement [iodine CT]) were performed. Krypton maps were made from krypton and mixed-contrast agent CT, and iodine maps were made from iodine and mixed-contrast agent CT. Observers measured overlay Hounsfield units of the diseased and contralateral segments on each map. Values were compared by using the Wilcoxon signed-rank test. Results In krypton maps of airway obstruction, overlay Hounsfield units of diseased segments were significantly decreased compared with those of contralateral segments in both krypton and mixed-contrast agent CT (P = .005 for both). However, the values of mixed-contrast agent CT were significantly higher than those of krypton CT for both segments (P = .005 and .007, respectively). In iodine maps of pulmonary arterial occlusion, values were significantly lower in diseased segments than in contralateral segments for both iodine and mixed-contrast agent CT (P = .005 for both), without significant difference between iodine and mixed-contrast agent CT for both segments (P = .126 and .307, respectively). Conclusion Although some limitations may exist, it might be feasible to analyze regional krypton and iodine concentrations simultaneously by using dual-energy CT. RSNA, 2016.
[Mh] Termos MeSH primário: Obstrução das Vias Respiratórias/diagnóstico por imagem
Iodo/farmacocinética
Criptônio/farmacocinética
Imagem Radiográfica a Partir de Emissão de Duplo Fóton
Tomografia Computadorizada por Raios X
[Mh] Termos MeSH secundário: Animais
Meios de Contraste/administração & dosagem
Meios de Contraste/farmacocinética
Cães
Estudos de Viabilidade
Iodo/administração & dosagem
Criptônio/administração & dosagem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Contrast Media); 5I8I620HVX (Krypton); 9679TC07X4 (Iodine)
[Em] Mês de entrada:1706
[Cu] Atualização por classe:170602
[Lr] Data última revisão:
170602
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:160521
[St] Status:MEDLINE


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[PMID]:26961001
[Au] Autor:Rogers NJ; Hill-Casey F; Stupic KF; Six JS; Lesbats C; Rigby SP; Fraissard J; Pavlovskaya GE; Meersmann T
[Ad] Endereço:Sir Peter Mansfield Imaging Centre, Division of Respiratory Medicine, School of Medicine, University of Nottingham, Nottingham NG7 2RD, United Kingdom;
[Ti] Título:Molecular hydrogen and catalytic combustion in the production of hyperpolarized 83Kr and 129Xe MRI contrast agents.
[So] Source:Proc Natl Acad Sci U S A;113(12):3164-8, 2016 Mar 22.
[Is] ISSN:1091-6490
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Hyperpolarized (hp) (83)Kr is a promising MRI contrast agent for the diagnosis of pulmonary diseases affecting the surface of the respiratory zone. However, the distinct physical properties of (83)Kr that enable unique MRI contrast also complicate the production of hp (83)Kr. This work presents a previously unexplored approach in the generation of hp (83)Kr that can likewise be used for the production of hp (129)Xe. Molecular nitrogen, typically used as buffer gas in spin-exchange optical pumping (SEOP), was replaced by molecular hydrogen without penalty for the achievable hyperpolarization. In this particular study, the highest obtained nuclear spin polarizations were P =29% for(83)Kr and P= 63% for (129)Xe. The results were reproduced over many SEOP cycles despite the laser-induced on-resonance formation of rubidium hydride (RbH). Following SEOP, the H2 was reactively removed via catalytic combustion without measurable losses in hyperpolarized spin state of either (83)Kr or (129)Xe. Highly spin-polarized (83)Kr can now be purified for the first time, to our knowledge, to provide high signal intensity for the advancement of in vivo hp (83)Kr MRI. More generally, a chemical reaction appears as a viable alternative to the cryogenic separation process, the primary purification method of hp(129)Xe for the past 2 1/2 decades. The inherent simplicity of the combustion process will facilitate hp (129)Xe production and should allow for on-demand continuous flow of purified and highly spin-polarized (129)Xe.
[Mh] Termos MeSH primário: Meios de Contraste
Hidrogênio/química
Criptônio/química
Xenônio/química
[Mh] Termos MeSH secundário: Catálise
Imagem por Ressonância Magnética
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Contrast Media); 3H3U766W84 (Xenon); 5I8I620HVX (Krypton); 7YNJ3PO35Z (Hydrogen)
[Em] Mês de entrada:1609
[Cu] Atualização por classe:170220
[Lr] Data última revisão:
170220
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:160311
[St] Status:MEDLINE
[do] DOI:10.1073/pnas.1600379113


  5 / 1186 MEDLINE  
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[PMID]:26574329
[Au] Autor:Desgranges C; Delhommelle J
[Ad] Endereço:Department of Chemistry, University of North Dakota , Grand Forks, North Dakota 58202, United States.
[Ti] Título:Many-Body Effects on the Thermodynamics of Fluids, Mixtures, and Nanoconfined Fluids.
[So] Source:J Chem Theory Comput;11(11):5401-14, 2015 Nov 10.
[Is] ISSN:1549-9626
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Using expanded Wang-Landau simulations, we show that taking into account the many-body interactions results in sharp changes in the grand-canonical partition functions of single-component systems, binary mixtures, and nanoconfined fluids. The many-body contribution, modeled with a 3-body Axilrod-Teller-Muto term, results in shifts toward higher chemical potentials of the phase transitions from low-density phases to high-density phases and accounts for deviations of more than, e.g., 20% of the value of the partition function for a single-component liquid. Using the statistical mechanics formalism, we analyze how this contribution has a strong impact on some properties (e.g., pressure, coexisting densities, and enthalpy) and a moderate impact on others (e.g., Gibbs or Helmholtz free energies). We also characterize the effect of the 3-body terms on adsorption isotherms and adsorption thermodynamic properties, thereby providing a full picture of the effect of the 3-body contribution on the thermodynamics of nanoconfined fluids.
[Mh] Termos MeSH primário: Argônio/química
Criptônio/química
Nanoporos
Termodinâmica
[Mh] Termos MeSH secundário: Transição de Fase
Volatilização
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.
[Nm] Nome de substância:
5I8I620HVX (Krypton); 67XQY1V3KH (Argon)
[Em] Mês de entrada:1606
[Cu] Atualização por classe:151117
[Lr] Data última revisão:
151117
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:151118
[St] Status:MEDLINE
[do] DOI:10.1021/acs.jctc.5b00693


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[PMID]:26523809
[Au] Autor:Biswas B; Singh PC
[Ad] Endereço:Department of Spectroscopy, Indian Association for the Cultivation of Science, Kolkata, 700032, India. sppcs@iacs.res.in.
[Ti] Título:Effect of hydration on the organo-noble gas molecule HKrCCH: role of krypton in the stabilization of hydrated HKrCCH complexes.
[So] Source:Phys Chem Chem Phys;17(45):30632-41, 2015 Nov 11.
[Is] ISSN:1463-9084
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:The effect of hydration on the fluorine free organo-noble gas compound HKrCCH and the role of krypton in the stabilization of the hydrated HKrCCH complexes have been investigated using the quantum chemical calculations on the HKrCCH-(H2O)n=1-6 clusters. Structure and energetics calculations show that water stabilizes HKrCCH through the π hydrogen bond in which the OH group of water interacts with the C[triple bond, length as m-dash]C group of HKrCCH. A maximum of four water molecules can directly interact with the C[triple bond, length as m-dash]C of HKrCCH and after that only inter-hydrogen bonding takes place between the water molecules indicating that the primary hydration shell contains four water molecules. Atom in molecule analysis depicts that π hydrogen bonded complexes of the hydrated HKrCCH are cyclic structures in which the OKr interaction cooperates in the formation of strong O-HC[triple bond, length as m-dash]C interaction. Structure, energetics and charge analysis clearly established that krypton plays an important role in the stabilization as well as the formation of the primary hydration shell of hydrated HKrCCH complexes.
[Mh] Termos MeSH primário: Criptônio/química
Gases Nobres/química
Água/química
[Mh] Termos MeSH secundário: Ligações de Hidrogênio
Teoria Quântica
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T; RESEARCH SUPPORT, U.S. GOV'T, NON-P.H.S.
[Nm] Nome de substância:
0 (Noble Gases); 059QF0KO0R (Water); 5I8I620HVX (Krypton)
[Em] Mês de entrada:1608
[Cu] Atualização por classe:151111
[Lr] Data última revisão:
151111
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:151103
[St] Status:MEDLINE
[do] DOI:10.1039/c5cp04744g


  7 / 1186 MEDLINE  
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[PMID]:25994296
[Au] Autor:Lilburn DM; Lesbats C; Six JS; Dubuis E; Yew-Booth L; Shaw DE; Belvisi MG; Birrell MA; Pavlovskaya GE; Meersmann T
[Ad] Endereço:Sir Peter Mansfield Imaging Centre, Division for Respiratory Medicine, School of Medicine, University of Nottingham, Nottingham NG7 2RD, UK.
[Ti] Título:Hyperpolarized 83Kr magnetic resonance imaging of alveolar degradation in a rat model of emphysema.
[So] Source:J R Soc Interface;12(107), 2015 Jun 06.
[Is] ISSN:1742-5662
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:Hyperpolarized (83)Kr surface quadrupolar relaxation (SQUARE) generates MRI contrast that was previously shown to correlate with surface-to-volume ratios in porous model surface systems. The underlying physics of SQUARE contrast is conceptually different from any other current MRI methodology as the method uses the nuclear electric properties of the spin I = 9/2 isotope (83)Kr. To explore the usage of this non-radioactive isotope for pulmonary pathophysiology, MRI SQUARE contrast was acquired in excised rat lungs obtained from an elastase-induced model of emphysema. A significant (83)Kr T1 relaxation time increase in the SQUARE contrast was found in the elastase-treated lungs compared with the baseline data from control lungs. The SQUARE contrast suggests a reduction in pulmonary surface-to-volume ratio in the emphysema model that was validated by histology. The finding supports usage of (83)Kr SQUARE as a new biomarker for surface-to-volume ratio changes in emphysema.
[Mh] Termos MeSH primário: Meios de Contraste/farmacologia
Criptônio/farmacologia
Modelos Teóricos
Alvéolos Pulmonares/diagnóstico por imagem
Enfisema Pulmonar/diagnóstico por imagem
[Mh] Termos MeSH secundário: Animais
Modelos Animais de Doenças
Imagem por Ressonância Magnética
Enfisema Pulmonar/induzido quimicamente
Radiografia
Ratos
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Contrast Media); 5I8I620HVX (Krypton)
[Em] Mês de entrada:1603
[Cu] Atualização por classe:170922
[Lr] Data última revisão:
170922
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:150522
[St] Status:MEDLINE


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[PMID]:25863225
[Au] Autor:Vives I Batlle J; Jones SR; Copplestone D
[Ad] Endereço:Belgian Nuclear Research Centre, Boeretang 200, 2400 Mol, Belgium. Electronic address: jordi.vives.i.batlle@sckcen.be.
[Ti] Título:A method for estimating (41)Ar, (85)(,88)Kr and (131m,133)Xe doses to non-human biota.
[So] Source:J Environ Radioact;144:152-61, 2015 Jun.
[Is] ISSN:1879-1700
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:A method is presented for estimating (41)Ar, (85,88)Kr and (131m,133)Xe dose rates to terrestrial wildlife without having to resort to comparisons with analogue radionuclides. The approach can be used to calculate the dose rates arising from external exposures to given ambient air concentrations of these isotopes. Dose conversion coefficient (DCC) values for a range of representative organisms are calculated, using a Monte Carlo approach to generate absorbed fractions based on representing animals as reference ellipsoid geometries. Plume immersion is the main component of the total DCC. DCC values calculated for a human-sized organism are compared with human dose conversion factors from ICRP Publication 119, demonstrating the consistency of the biota approach with that for humans. An example of application is provided for hypothetical nuclear power plant atmospheric discharges with associated exposures to birds and insects. In this example, the dose rates appear to be dominated by (133)Xe and (88)Kr, respectively. The biota considered would be protected from the effects of noble gas radiation from a population protection perspective.
[Mh] Termos MeSH primário: Aves/metabolismo
Exposição Ambiental
Insetos/metabolismo
Gases Nobres/análise
Dose de Radiação
Monitoramento de Radiação/métodos
Radioisótopos/análise
[Mh] Termos MeSH secundário: Animais
Argônio/análise
Criptônio/análise
Método de Monte Carlo
Radioisótopos de Xenônio/análise
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Noble Gases); 0 (Radioisotopes); 0 (Xenon Radioisotopes); 5I8I620HVX (Krypton); 67XQY1V3KH (Argon)
[Em] Mês de entrada:1602
[Cu] Atualização por classe:171116
[Lr] Data última revisão:
171116
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:150412
[St] Status:MEDLINE


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[PMID]:25551823
[Au] Autor:Mahnken AH; Jost G; Pietsch H
[Ad] Endereço:From the *Department of Diagnostic and Interventional Radiology, Philipps-University, Marburg, and †MR & CT Contrast Media Research, Bayer Healthcare, Berlin, Germany.
[Ti] Título:Krypton for computed tomography lung ventilation imaging: preliminary animal data.
[So] Source:Invest Radiol;50(5):305-8, 2015 May.
[Is] ISSN:1536-0210
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:OBJECTIVES: The objective of this study was to assess the feasibility and safety of krypton ventilation imaging with intraindividual comparison to xenon ventilation computed tomography (CT). MATERIALS AND METHODS: In a first step, attenuation of different concentrations of xenon and krypton was analyzed in a phantom setting. Thereafter, 7 male New Zealand white rabbits (4.4-6.0 kg) were included in an animal study. After orotracheal intubation, an unenhanced CT scan was obtained in end-inspiratory breath-hold. Thereafter, xenon- (30%) and krypton-enhanced (70%) ventilation CT was performed in random order. After a 2-minute wash-in of gas A, CT imaging was performed. After a 45-minute wash-out period and another 2-minute wash-in of gas B, another CT scan was performed using the same scan protocol. Heart rate and oxygen saturation were measured. Unenhanced and krypton or xenon data were registered and subtracted using a nonrigid image registration tool. Enhancement was quantified and statistically analyzed. RESULTS: One animal had to be excluded from data analysis owing to problems during intubation. The CT scans in the remaining 6 animals were completed without complications. There were no relevant differences in oxygen saturation or heart rate between the scans. Xenon resulted in a mean increase of enhancement of 35.3 ± 5.5 HU, whereas krypton achieved a mean increase of 21.9 ± 1.8 HU in enhancement (P = 0.0055). CONCLUSIONS: The use of krypton for lung ventilation imaging appears to be feasible and safe. Despite the use of a markedly higher concentration of krypton, enhancement is significantly worse when compared with xenon CT ventilation imaging, but sufficiently high for CT ventilation imaging studies.
[Mh] Termos MeSH primário: Criptônio/administração & dosagem
Ventilação Pulmonar
Tomografia Computadorizada por Raios X/métodos
Xenônio/administração & dosagem
[Mh] Termos MeSH secundário: Administração por Inalação
Animais
Meios de Contraste/administração & dosagem
Estudos de Viabilidade
Seres Humanos
Masculino
Projetos Piloto
Coelhos
Intensificação de Imagem Radiográfica/métodos
Reprodutibilidade dos Testes
Sensibilidade e Especificidade
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Contrast Media); 3H3U766W84 (Xenon); 5I8I620HVX (Krypton)
[Em] Mês de entrada:1512
[Cu] Atualização por classe:150404
[Lr] Data última revisão:
150404
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:150101
[St] Status:MEDLINE
[do] DOI:10.1097/RLI.0000000000000130


  10 / 1186 MEDLINE  
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[PMID]:25418446
[Au] Autor:Magdysyuk OV; Denysenko D; Weinrauch I; Volkmer D; Hirscher M; Dinnebier RE
[Ad] Endereço:Max Planck Institute for Solid State Research, Heisenbergstr. 1, Stuttgart, Germany. R.Dinnebier@fkf.mpg.de.
[Ti] Título:Formation of a quasi-solid structure by intercalated noble gas atoms in pores of Cu(I)-MFU-4l metal-organic framework.
[So] Source:Chem Commun (Camb);51(4):714-7, 2015 Jan 14.
[Is] ISSN:1364-548X
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:The primary adsorption sites for Kr and Xe within the large-pore metal-organic framework Cu(I)-MFU-4l have been investigated by high-resolution synchrotron powder diffraction, revealing an enormous number of adsorption sites: in total, 10 crystallographically different positions for Xe and 8 positions for Kr were localized, the first five of which are located near metal atoms and the organic linker, and the remaining sites form a second adsorption layer in the pores.
[Mh] Termos MeSH primário: Cobre/química
Criptônio/química
Compostos Organometálicos/química
Xenônio/química
[Mh] Termos MeSH secundário: Dioxinas/química
Modelos Moleculares
Difração de Pó
Triazóis/química
Difração de Raios X
[Pt] Tipo de publicação:JOURNAL ARTICLE; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
0 (Dioxins); 0 (Organometallic Compounds); 0 (Triazoles); 3H3U766W84 (Xenon); 5I8I620HVX (Krypton); 789U1901C5 (Copper); O1B5KJ235I (dibenzo(1,4)dioxin)
[Em] Mês de entrada:1508
[Cu] Atualização por classe:141216
[Lr] Data última revisão:
141216
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:141125
[St] Status:MEDLINE
[do] DOI:10.1039/c4cc07554d



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