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| http://dx.doi.org/10.1186/s13054-023-04657-6 | DOI Listing |
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Microemulsification-based hybrid oxygenated biofuel for CI engine locomotives: with special reference to "preparation" techniques and "performance" analysis.
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Mechanical Engineering Department, Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, India.
In recent years, rising environmental concerns and the detrimental impact of emissions from the growing number of locomotives have prompted scientists to investigate alternative fuels derived from renewable lipids, such as microemulsion-based hybrid biofuels (MHBFs). Petro crops and lignocellulosic biomass are the common agricultural and forest feedstocks for biofuel production. Biofuel can be characterized in terms of its volatility range, physicochemical properties, composition, combustion, and emission characteristics.
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Institute of Inorganic Chemistry, Leibniz University Hannover, Callinstraße 3-9, 30167 Hannover, Germany.
The increasing prevalence of antimicrobial resistance and adverse effects of systemic treatments calls for urgent reevaluation of current methods that rely on excessive, uncontrolled drug administration. In recent years triggerable systems have emerged as promising alternatives, enabling time-controlled and localized drug release, which are only activated if necessary. Light is an obvious candidate as an external trigger, since it allows for localized activation, is non-invasive and its wavelength and intensity can be tailored to fit the demands of the drug release system.
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Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 3, Zürich, 8093, Switzerland.
A C-coumarin conjugate, covalently connected via a matrix metalloproteinase (MMP2/9)-cleavable peptide linker (Pro-Leu-Gly-Val-Arg-Gly), is developed as a probe for both imaging and photodynamic treatment of MMP2/9-expressing malignant cells. In the synthesized probe, the coumarin fluorescence is completely suppressed intramolecularly by the C moiety, while an intensive fluorescence increase is observed in the presence of MMP2/9 dependent on cleavage of the peptide linker. The specificity of the probe to detect MMP2 is confirmed by control experiments resulting in no emission 1) with a control probe bearing a shuffled peptide (Val-Arg-Leu-Gly-Pro-Gly) or 2) in the presence of an MMP2 inhibitor (1,10-phenantheoline).
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