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#32455426   2020/05/26 To Up

Health Decline Is Associated with Reports of No Coffee Consumption Years After Reporting Coffee Consumption Among Older Adults in Spain.

Part of the health benefits of coffee reported in observational studies might be due to health status influencing coffee intake rather than the opposite.
Rosario Ortolá, Adrián Carballo-Casla, Esther García-Esquinas, Esther Lopez-Garcia, José R Banegas, Fernando Rodríguez-Artalejo

1355 related Products with: Health Decline Is Associated with Reports of No Coffee Consumption Years After Reporting Coffee Consumption Among Older Adults in Spain.

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#32455422   // To Up

POTENTIAL BINARY AND TUMBLING ASTEROIDS FROM THE CENTER FOR SOLAR SYSTEM STUDIES.

CCD photometric observations of four main-belt and one near-Earth asteroid were made in 2019. Of these, the Vestoid 2602 Moore and Hungaria (27568) 2000 PT6 were confirmed to be binary asteroids. The Hungaria 3880 Kaiserman is a suspected binary. Near-Earth asteroid (142040) 2002 QE15 was found to have a long period (46.4 h). Re-evaluation of data for the asteroid from two previous apparitions found a secondary period that is consistent with the system being a candidate for the rare class of very wide binary asteroids. New analysis of the data from 2016 for Phocaea member 2937 Gibbs found two periods (the second being ambiguous). It could not be determined if the asteroid is binary or in a tumbling state.
Brian D Warner, Robert D Stephens

2296 related Products with: POTENTIAL BINARY AND TUMBLING ASTEROIDS FROM THE CENTER FOR SOLAR SYSTEM STUDIES.

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#32455205   2020/05/05 To Up

Membrane-Filtered Kraft Lignin-Silica Hybrids as Bio-Based Sorbents for Cobalt(II) Ion Recycling.

Efficient and sustainable recycling of cobalt(II) is of increasing importance to support technological development in energy storage and electric vehicle industries. A composite material based on membrane-filtered lignin deposited on nanoporous silica microparticles was found to be an effective and sustainable sorbent for cobalt(II) removal. This bio-based sorbent exhibited a high sorption capacity, fast kinetics toward cobalt(II) adsorption, and good reusability. The adsorption capacity was 18 mg Co(II) per gram of dry adsorbent at room temperature (22 °C) at near-neutral pH, three times higher than that of the summarized capacity of lignin or silica starting materials. The kinetics study showed that 90 min is sufficient for effective cobalt(II) extraction by the composite sorbent. The pseudo-second-order kinetics and Freundlich isotherm models fitted well with experimentally obtained data and confirmed heterogeneity of adsorption sites. The promising potential of the lignin-silica composites for industrial applications in the cobalt recovering process was confirmed by high values of desorption in mildly acidic solutions.
Tetyana M Budnyak, Jędrzej Piątek, Ievgen V Pylypchuk, Matthias Klimpel, Olena Sevastyanova, Mikael E Lindström, Volodymyr M Gun'ko, Adam Slabon

2793 related Products with: Membrane-Filtered Kraft Lignin-Silica Hybrids as Bio-Based Sorbents for Cobalt(II) Ion Recycling.

500 tests1 kit50 assays1,000 tests50 assays100 assays96 Tests50 assays1 kit

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