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Articles 1 - 3 of 3
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Synthetic Strategies For Tailoring The Physicochemical And Magnetic Properties Of Hydrophobic Magnetic Ionic Liquids, Omprakash Nacham, Kevin D. Clark, Honglian Yu, Jared L. Anderson
Synthetic Strategies For Tailoring The Physicochemical And Magnetic Properties Of Hydrophobic Magnetic Ionic Liquids, Omprakash Nacham, Kevin D. Clark, Honglian Yu, Jared L. Anderson
Jared L. Anderson
Magnetic ionic liquids (MILs) are a subclass of ionic liquids (ILs) containing paramagnetic components and are readily manipulated by an external magnetic field. Due to their hydrophilic nature, very few applications of MILs in aqueous systems have been reported. In this study, three general classes of hydrophobic MILs including monocationic, symmetrical/unsymmetrical dicationic, and symmetrical/unsymmetrical tricationic MILs were synthesized and characterized. By tuning the structure of the MIL, various physicochemical properties including water solubility, magnetic susceptibility, and melting point were regulated. MILs synthesized with the benzimidazolium cation were shown to exhibit lower water solubility (0.1% (w/v)) when compared to those containing …
Extraction Of Dna By Magnetic Ionic Liquids: Tunable Solvents For Rapid And Selective Dna Analysis, Kevin D. Clark, Omprakash Nacham, Honglian Yu, Tianhao Li, Melissa M. Yamsek, Donald R. Ronning, Jared L. Anderson
Extraction Of Dna By Magnetic Ionic Liquids: Tunable Solvents For Rapid And Selective Dna Analysis, Kevin D. Clark, Omprakash Nacham, Honglian Yu, Tianhao Li, Melissa M. Yamsek, Donald R. Ronning, Jared L. Anderson
Jared L. Anderson
DNA extraction represents a significant bottleneck in nucleic acid analysis. In this study, hydrophobic magnetic ionic liquids (MILs) were synthesized and employed as solvents for the rapid and efficient extraction of DNA from aqueous solution. The DNA-enriched microdroplets were manipulated by application of a magnetic field. The three MILs examined in this study exhibited unique DNA extraction capabilities when applied toward a variety of DNA samples and matrices. High extraction efficiencies were obtained for smaller single-stranded and double-stranded DNA using the benzyltrioctylammonium bromotrichloroferrate(III) ([(C8)3BnN+][FeCl3Br–]) MIL, while the dicationic 1,12-di(3-hexadecylbenzimidazolium)dodecane bis[(trifluoromethyl)sulfonyl]imide bromotrichloroferrate(III) ([(C16BnIM)2C122+][NTf2–, FeCl3Br–]) MIL produced higher extraction efficiencies for larger …
Repeated Stressors In Adulthood Increase The Rate Of Biological Ageing, Michaela Hau, Mark F. Haussmann, Timothy J. Greives, Christa Matlack, David Costantini, Michael Quetting, James S. Adelman, Ana C. Miranda, Jesko Partecke
Repeated Stressors In Adulthood Increase The Rate Of Biological Ageing, Michaela Hau, Mark F. Haussmann, Timothy J. Greives, Christa Matlack, David Costantini, Michael Quetting, James S. Adelman, Ana C. Miranda, Jesko Partecke
James S. Adelman
Individuals of the same age can differ substantially in the degree to which they have accumulated tissue damage, akin to bodily wear and tear, from past experiences. This accumulated tissue damage reflects the individual’s biological age and may better predict physiological and behavioural performance than the individual‘s chronological age. However, at present it remains unclear how to reliably assess biological age in individual wild vertebrates. We exposed hand-raised adult Eurasian blackbirds (Turdus merula) to a combination of repeated immune and disturbance stressors for over one year to determine the effects of chronic stress on potential biomarkers of biological ageing including …