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Reaction network of the chloromethane conversion into light olefins using a HZSM-5 zeolite catalyst
Monica Gamero,Beatriz Valle,Pedro Castaño,Andrés T. Aguayo,Javier Bilbao 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.61 No.-
The second step of chlorine-mediated methane valorization into hydrocarbons has been investigated using a HZSM-5 zeolite catalyst. A parametric study has enabled to set the reaction network, which is dominated by the dual cycle mechanism and secondary reactions of light olefins. This network explains the formation of methane, light olefins, C5+ aliphatics, paraffins, aromatics and coke. Under the optimal conditions, the light olefin selectivity is >70%, of which >40% corresponds to propylene. Coke is originated in the zeolite micropores and then grows within the matrix meso- and macropores.
박생렬,박경윤,Jennie Hancox,Diana Castaneda-Gameros,구교철 한국간호과학회 2019 Asian Nursing Research Vol.13 No.5
Purpose: There is a growing number of older adults moving into assisted-living facilities to maintain their independence while being assisted with certain tasks and having convenient access to services. Physical activity (PA) and vitality play an important role in independence, as well as in mental health, of older adults. However, no research has examined the difference in older adults' levels of vitality (defined as the state of feeling alive and alert) between those living in assisted-living facilities and those from community-living settings. This study also explored sociodemographic predictors of PA and vitality among older adults living in two different types of housing. Methods: This cross-sectional study examined differences in PA levels and vitality between older adults (aged ≥ 60 years; n = 148, mean age = 74.70 years) living in assisted-living facilities (n = 85, mean age = 77.46 years) and those in community-living settings (n = 63, mean age = 70.98 years). PA was assessed by accelerometry, and vitality was measured using the subjective vitality scale. Results: Engagement in light PA and moderate to vigorous PA was higher in individuals living in community-living settings after controlling for sociodemographic variables. However, vitality was not significantly different between the two types of housing after controlling for sociodemographic variables. Marital status, education, and number of diagnosed diseases were associated with vitality. Conclusion: The support is needed for designing strategies to increase PA in older adults living in assisted-living facilities. More attention should be paid to increasing subjective vitality of older adults in both types of housing to promote healthy aging.
AmpFlSTR<sup>(</sup>R) MiniFiler(TM) PCR amplification kit: The new miniSTR multiplex kit
Andrade, L.,Bento, A.M.,Serra, A.,Carvalho, M.,Gamero, J.J.,Oliveira, C.,Batista, L.,Lopes, V.,Balsa, F.,Corte-Real, F.,Anjos, M.J. Elsevier 2008 Forensic science international. Genetics. Suppleme Vol.1 No.1
The AmpFlSTR<SUP>(</SUP>R) MiniFiler(TM) PCR amplification kit (Applied Biosystems), a new available 8-miniSTR and the sex determining marker Amelogenin multiplex, includes the most common problematic loci (above 200bp) of the AmpFlSTR<SUP>(</SUP>R) Identifiler(TM) PCR amplification kit: FGA, D21S11, D18S51, D13S317, D7S820, D16S539, CSF1PO and D2S1338. Several casework samples with different DNA contents were tested. Results allowed to complete partial Identifiler(TM) profiles and additional information was achieved in low copy number (LCN) samples, revealing that this miniSTR kit can improve identification of compromised samples.