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Luminescent silica mesoparticles for protein transduction (2018)
Journal Article
Vorotnikov, Y. A., Pozmogova, T. N., Solovieva, A. O., Miroshnichenko, S. M., Vorontsova, E. V., Shestopalova, L. V., …Efremova, O. A. (2019). Luminescent silica mesoparticles for protein transduction. Materials Science and Engineering: C, 96, 530-538. doi:10.1016/j.msec.2018.11.056

Unlike silica nanoparticles, the potential of silica mesoparticles (SMPs) (i.e. particles of submicron size) for biological applications in particular the in vitro (let alone in vivo) cellular delivery of biological cargo has so far not been sufficie... Read More

From photoinduced to dark cytotoxicity via an octahedral cluster hydrolysis (2018)
Journal Article
Svezhentseva, E. V., Vorotnikov, Y. A., Solovieva, A. O., Pozmogova, T. N., Eltsov, I. V., Ivanov, A. A., …Shestopalov, M. A. (2018). From photoinduced to dark cytotoxicity via an octahedral cluster hydrolysis. Chemistry : a European journal, 24(68), 17915-17920. doi:10.1002/chem.201804663

Octahedral molybdenum and tungsten clusters have potential biological applications in photodynamic therapy and bioimaging. However, poor solubility and hydrolysis stability of these compounds hinder their application. The first water-soluble photolum... Read More

Conjugated, rod-like viologen oligomers: Correlation of oligomer length with conductivity and photoconductivity (2018)
Journal Article
Chen, L., Vivier, E., Eling, C. J., Babra, T. S., Bouillard, J. S. G., Adawi, A. M., …Greenland, B. W. (2018). Conjugated, rod-like viologen oligomers: Correlation of oligomer length with conductivity and photoconductivity. Synthetic Metals, 241, 31-38. doi:10.1016/j.synthmet.2018.03.019

© 2018 An iterative synthesis has been used to produce conjugated, monodisperse, viologen-based aromatic oligomers containing up to 12 aromatic/heterocyclic rings. The methoxy-substituted oligomers were soluble in common organic solvents and could be... Read More

23-electron octahedral molybdenum cluster complex [{Mo 6 I 8 }Cl 6 ] – (2017)
Journal Article
Syrokvashin, M. M., Vorotnikova, N. A., Vorotnikov, Y. A., Novozhilov, I. N., Syrokvashin, M. М., Nadolinny, V. A., …Efremova, O. A. (2018). 23-electron octahedral molybdenum cluster complex [{Mo 6 I 8 }Cl 6 ] –. Inorganic chemistry, 57(2), doi:10.1021/acs.inorgchem.7b02760. ISSN 0020-1669

Photoactive transition metal compounds that are prone to reversible redox reactions are important for myriad applications, including catalysis, optoelectronics and sensing. This article describes chemical and electro-chemical methods to prepare clust... Read More

One-pot synthesis of {Mo6I8}4+-doped polystyrene microspheres via a free radical dispersion copolymerisation reaction (2017)
Journal Article
Vorotnikova, N. A., Edeleva, M. V., Kurskaya, O. G., Brylev, K. A., Shestopalov, A. M., Mironov, Y. V., …Shestopalov, M. A. (2017). One-pot synthesis of {Mo6I8}4+-doped polystyrene microspheres via a free radical dispersion copolymerisation reaction. Polymer international, 66(12), (1906-1912). doi:10.1002/pi.5473. ISSN 0959-8103

© 2017 Society of Chemical Industry Molybdenum octahedral clusters, when incorporated into an appropriate polymer matrix, are considered as promising agents for a range of biological applications. This work describes the one-pot synthesis, morphology... Read More

A comparative study of optical properties and X-ray induced luminescence of octahedral molybdenum and tungsten cluster complexes (2017)
Journal Article
Evtushok, D. V., Melnikov, A. R., Vorotnikova, N. A., Vorotnikov, Y. A., Ryadun, A. A., Kuratieva, N. V., …Shestopalov, M. A. (2017). A comparative study of optical properties and X-ray induced luminescence of octahedral molybdenum and tungsten cluster complexes. Dalton transactions : an international journal of inorganic chemistry / RSoC, 46(35), (11738-11747). doi:10.1039/c7dt01919j. ISSN 1477-9226

© 2017 The Royal Society of Chemistry. Octahedral metal cluster complexes have high potential for biomedical applications. In order to evaluate the benefits of these moieties for combined CT/X-ray luminescence computed tomography, this paper compares... Read More

A comparative study of hydrophilic phosphine hexanuclear rhenium cluster complexes’ toxicity (2017)
Journal Article
Krasilnikova, A. A., Solovieva, A. O., Ivanov, A. A., Brylev, K. A., Pozmogova, T. N., Gulyaeva, M. A., …Shestopalov, M. A. (2017). A comparative study of hydrophilic phosphine hexanuclear rhenium cluster complexes’ toxicity. Toxicology Research, 6(4), 554-560. doi:10.1039/c7tx00083a

Octahedral rhenium cluster compound Na2H8[{Re6Se8}(P(C2H4CONH2)(C2H4COO)2)6] has recently emerged as a very promising X-ray contrast agent for biomedical applications. However, the synthesis of this compound is rather challenging due to difficulty to... Read More

Luminescent coordination polymers based on Ca²⁺ and octahedral cluster anions [{M₆Clⁱ₈}Clᵃ₆}²⁻ (M = Mo, W) : synthesis and thermal stability studies (2017)
Journal Article
Evtushok, D. V., Vorotnikova, N. A., Logvinenko, V. A., Smolentsev, A. I., Brylev, K. A., Plyusnin, P. E., …Shestopalov, M. A. (2017). Luminescent coordination polymers based on Ca²⁺ and octahedral cluster anions [{M₆Clⁱ₈}Clᵃ₆}²⁻ (M = Mo, W) : synthesis and thermal stability studies. New journal of chemistry = Nouveau journal de chimie, 41(24), 14855-14861. doi:10.1039/c7nj02858j

Luminescent coordination polymers (CPs) based of inexpensive stable precursors are attractive materials for applications. Here we report the synthesis and evaluation of the stability and photophysical characteristics of the first examples of phosphor... Read More

Water-soluble hybrid materials based on {Mo₆X₈}⁴⁺ (X = Cl, Br, I) cluster complexes and sodium polystyrene sulfonate (2017)
Journal Article
Solovieva, A. O., Vorotnikov, Y. A., Svezhentseva, E. V., Kurskaya, O. G., Brylev, K. A., Tsygankova, A. R., …Vorotnikov, Y. (2017). Water-soluble hybrid materials based on {Mo₆X₈}⁴⁺ (X = Cl, Br, I) cluster complexes and sodium polystyrene sulfonate. New journal of chemistry = Nouveau journal de chimie, 41(4), (1670-1676). doi:10.1039/c6nj03469a. ISSN 1144-0546

Development of water-soluble forms of octahedral molybdenum clusters {Mo₆X₈}⁴⁺ (X = Cl, Br, I) is strongly motivated by the tremendous potential that these complexes have for biological applications, namely as agents for bioimaging and photodynamic t... Read More

Hexaazide octahedral molybdenum cluster complexes: synthesis, properties and the evidence of hydrolysis (2016)
Journal Article
Vorotnikov, Y. A., Efremova, O. A., Novozhilov, I. N., Yanshole, V. V., Kuratieva, N. V., Brylev, K. A., …Yanshole, V. (2017). Hexaazide octahedral molybdenum cluster complexes: synthesis, properties and the evidence of hydrolysis. Journal of molecular structure, 1134, (237-243). doi:10.1016/j.molstruc.2016.12.052. ISSN 0022-2860

This article reports the synthesis, crystal structure of new molybdenum hexaazide cluster complex (ⁿBu₄N)₂[{Mo₆I₈}(N₃)₆] (3) and comparison of its photophysical and electrochemical properties to those of earlier reported analogues (ⁿBu₄N)₂[{M₆X₈}(N₃)... Read More

Octahedral molybdenum cluster complexes with aromatic sulfonate ligands (2016)
Journal Article
Efremova, O. A., Vorotnikov, Y. A., Brylev, K. A., Vorotnikova, N. A., Novozhilov, I. N., Kuratieva, N. V., …Sutherland, A. J. (2016). Octahedral molybdenum cluster complexes with aromatic sulfonate ligands. Dalton transactions : an international journal of inorganic chemistry / RSoC, 45(39), (15427-15435). doi:10.1039/c6dt02863b. ISSN 1477-9226

This article describes the synthesis, structures and systematic study of the spectroscopic and redox properties of a series of octahedral molybdenum metal cluster complexes with aromatic sulfonate ligands (ⁿBu₄N)₂[{Mo₆X₈}(OTs)₆] and (ⁿBu₄N)₂[{Mo₆X₈}(... Read More

Cellular internalisation, bioimaging and dark and photodynamic cytotoxicity of silica nanoparticles doped by {Mo₆I₈}⁴⁺ metal clusters (2016)
Journal Article
Solovieva, A. O., Vorotnikov, Y. A., Trifonova, K. E., Efremova, O. A., Krasilnikova, A. A., Brylev, K. A., …Shestopalov, M. A. (in press). Cellular internalisation, bioimaging and dark and photodynamic cytotoxicity of silica nanoparticles doped by {Mo₆I₈}⁴⁺ metal clusters. Journal of materials chemistry B, Materials for biology and medicine /, 4(28), (4839-4846). doi:10.1039/c6tb00723f. ISSN 2050-750X

Silica nanoparticles (SNPs) doped by hexanuclear molybdenum cluster complexes [{Mo₆X₈}L₆]n (X = Cl, Br, or I; L = various inorganic or organic ligands) have been recently suggested as materials with a high potential for biomedical applications due to... Read More

Design, synthesis and RAFT polymerisation of a quinoline-based monomer for use in metal-binding composite microfibers (2016)
Journal Article
Isakova, A., Efremova, O., Pullan, N., Lüer, L., & Topham, P. D. (2016). Design, synthesis and RAFT polymerisation of a quinoline-based monomer for use in metal-binding composite microfibers. RSC advances, 6(8), 6598-6606. doi:10.1039/c5ra25551a

Metal-binding polymer fibres have attracted major attention for diverse applications in membranes for metal sequestration from waste waters, non-woven wound dressings, matrices for photocatalysis, and many more. This paper reports the design and synt... Read More

Photoluminescent materials based on PMMA and a highly-emissive octahedral molybdenum metal cluster complex (2015)
Journal Article
Vejsadova, L., Efremova, O. A., Brylev, K. A., Chimonides, G. F., Kim, S., Kitamura, N., …Vorotnikov, Y. A. (2016). Photoluminescent materials based on PMMA and a highly-emissive octahedral molybdenum metal cluster complex. Journal of materials chemistry. C, Materials for optical and electronic devices, 4(3), (497-503). doi:10.1039/c5tc03204k. ISSN 2050-7534

Materials that combine photoluminescence, optical transparency and facile processability are of high importance in many applications. This article reports on the development of photoluminescent poly(methyl methacrylate) materials based on novel highl... Read More

A highly emissive inorganic hexamolybdenum cluster complex as a handy precursor for the preparation of new luminescent materials (2014)
Journal Article
Efremova, O. A., Shestopalov, M. A., Chirtsova, N. A., Smolentsev, A. I., Mironov, Y. V., Kitamura, N., …Sutherland, A. J. (2014). A highly emissive inorganic hexamolybdenum cluster complex as a handy precursor for the preparation of new luminescent materials. Dalton transactions : an international journal of inorganic chemistry / RSoC, 43(16), (6021-6025). doi:10.1039/c3dt53126k. ISSN 1477-9226

The synthesis and characterisation of a new, highly luminescent inorganic cluster complex, (Bu₄N)₂[Mo₆I₈(NO₃)₆], are described. The complex possesses labile nitrato ligands and is therefore a useful precursor for the design of new luminescent materia... Read More

Polymerisable octahedral rhenium cluster complexes as precursors for photo/electroluminescent polymers (2014)
Journal Article
Efremova, O. A., Bauer, S., Brylev, K. A., Kitamura, N., Kozlova, O., Mironov, Y. V., …White, M. S. (2014). Polymerisable octahedral rhenium cluster complexes as precursors for photo/electroluminescent polymers. Journal of materials chemistry. publ. by The Royal Society of Chemistry. C, Materials for optical and electronic devices /, 2(40), (8630-8638). doi:10.1039/c4tc01643b. ISSN 2050-7526

New polymerisable photoluminescent octahedral rhenium cluster complexes trans-[{Re₆Q₈}(TBP)₄VB)₂] (Q = S or Se; TBP – p-tert-butylpyridine; VB – vinyl benzoate) have been synthesised, characterised and used to construct rhe-nium cluster-organic polym... Read More