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Aleksandr S Oshchepkov on Muck Rack

Aleksandr S Oshchepkov

As seen in: Royal Society of Chemistry
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Articles

Dye-functionalized phosphate-binding macrocycles: from nucleotide to G-quadruplex recognition and “turn-on” fluorescence sensing

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By Aleksandr S Oshchepkov, Technische Universität Chemnitz, Oksana Reznichenko
| Royal Society of Chemistry Verified
Dye-functionalized phosphate-binding macrocycles: from nucleotide to G-quadruplex recognition and “turn-on” fluorescence sensing† Aleksandr S. Oshchepkov, ab Oksana Reznichenko, c Dan Xu,b Boris S. Morozov, ab Anton Granzhan c and Evgeny A. Kataev *ac Author affiliations * Corresponding authors a Department of Chemistry and Pharmacy, University Erlangen-Nürnberg, Nikolaus-Fiebiger-Str.
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Finding receptor design for selective recognition of perrhenate and pertechnetate: hydrogen vs. halogen bonding

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By Aleksandr S Oshchepkov, Anil Ravi, Konstantin E German, Gayane Kirakosyan
| Royal Society of Chemistry Verified
A. Ravi, A. S. Oshchepkov, K. E. German, G. Kirakosyan, A. V. Safonov, V. N. Khrustalev and E. Kataev, Chem. Commun., 2018, Accepted Manuscript , DOI: 10.1039/C8CC02048E If you are not the author of this article and you wish to reproduce material from it in a third party non-RSC publication you must formally request permission using RightsLink. Go to our Instructions for using RightsLink page for details.
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Hybrid macrocycles for selective binding and sensing of fluoride in aqueous solution

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By Aleksandr S Oshchepkov, Tatiana A Shumilova, Olga Fedorova, Siva R Namashivaya
| American Chemical Society
Synthesis and anion binding properties of hybrid macrocycles containing ammonium and hydrogen bond donor groups are reported. Receptor properties were studied in a 10 mM MES buffer solution at pH 6.2, at which the receptors carry two positive charges at the secondary amine groups. Receptor 1 was found to bind fluoride with the highest affinity (105 M-1) and selectivity among the synthesized receptors. It was the only receptor that demonstrated fluorescence increase upon addition of fluoride.
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