330 research outputs found

    Immanence and anarchist ethics

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    their rejection of classical anarchism, various postanarchist thinkers adopt a position of epistemological critique and reduce their metaphysics to a minimal conception of the self and broad, common knowledge statements about politics. Morality in the form of coercive rules or obedience to norms is rejected, whilst ethics in the form of guidelines or suggestions is taken to be desirable, and even necessary, for anarchist politics. The main argument of the thesis takes up the postanarchist critique of morality, taking seriously the concerns that essentialism, universals and representation are contestable and open to fallibility, and suggests that a further contradiction exists between anarchist principles and transcendent ethical systems. As long as postanarchist metaphysics appeal to transcendence, there is a possibility for anarchist ethics to become coercive. This work s original contribution to knowledge is the introduction of immanent metaphysics as a foundation for anarchist ethics. This is done primarily through the philosophy of Gilles Deleuze and his critique of transcendence. The argument begins by outlining Deleuze s metaphysics of difference which are to underpin the rest of the discussion on anarchist ethics. Following this, the thesis draws on the work of Deleuze and Guattari and others to explore the political and active aspects of immanent ethics. The final part sketches anarchist ethics in immanent modes of existence

    COMPARATIVE STUDY ON THE EFFECT OF TETRACYCLINE AND TETRAOLEANE ON CULTIVATED HUMAN LYMPHOCYTES

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    THE COMPUTER SIMULATION OF THE MOLECULAR STRUCTURE OF SELENIUM ELECTROPHOTOGRAPHIC LAYER

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    The modern selenium electrophotographic photosensor is a multilayer system in which different properties of various layers are attained by changes in the material molecular structure without any changes in its chemical composition. The models of the selenium molecular structure at different distances from the surface of the electrophotographic layer are considered. The changes of the bond length, the bond angle and the dihedral angle distributions are analysed for various parts of the layer. The correlation between the form of the third peak of RDF and the short range order parameters of selenium is defined

    Quantum-chemical study of electronically excited states of protolytic forms of vanillic acid

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    The paper describes an analysis of possible ways of deactivation of electronically excited states of 4-hydroxy- 3-methoxy-benzoic acid (vanillic acid) and its protolytic forms with the use of quantum-chemical methods INDO/S (intermediate neglect of differential overlap with a spectroscopic parameterization) and MEP (molecular electrostatic potential). The ratio of radiative and non-radiative deactivation channels of the electronic excitation energy is established. The rate constants of photophysical processes (internal and intercombination conversions) occurring after the absorption of light in these forms are evaluated. © (2015) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only

    “Green” Synthesis of Sucrose Octaacetate and Characterization of Its Physicochemical Properties and Antimicrobial Activity

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    Sucrose octaacetate (octa-O-acetylsucrose) has been synthesized by esterification of sucrose with acetic anhydride using ultrasound-assisted irradiation. This sucrose ester is a white, water-insoluble substance with a bitter taste. The FT-IR and NMR spectra confirmed acetylation and revealed the hydrophobic incorporation in sucrose molecule. Furthermore, the foamability, foam stability, emulsification and antimicrobial properties of octa-O-acetylsucrose were evaluated. Foams and 50 % (oil/water) model emulsions were prepared with 2 % (w/w) octa-O-acetylsucrose. The obtained results demonstrate the formation of emulsions and foams with high stability (50–70 %). The antimicrobial activity of octa-O-acetylsucrose was evaluated against seventeen microorganisms (Gram-positive and Gram-negative bacteria, yeasts, and fungi). Octa-O-acetylsucrose inhibited the growth of fungi Penicillium sp., Rhizopus sp. and Fusarium moniliforme at 5 mg cm–3, and yeasts Candida albicans at 1 mg cm–3. Inhibition against Gram-positive and Gram-negative bacteria was not observed. The obtained results demonstrate the potential applications of octa-O-acetylsucrose as a foaming agent, oil-in-water emulsion stabilizer, and antifungal substance in pharmaceutical and cosmetic preparations. This work is licensed under a Creative Commons Attribution 4.0 International License
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