The development of water-soluble hexanuclear cluster complexes of low toxicity is a promising task due to their potential biomedical applications such as bioimaging and photodynamic therapy.Herein,we present the synth...The development of water-soluble hexanuclear cluster complexes of low toxicity is a promising task due to their potential biomedical applications such as bioimaging and photodynamic therapy.Herein,we present the syntheses of two new water-soluble hexarhenium cluster complexes with terminal amphiphilic phosphine ligands,and delineate their photoluminescence and X-ray excited optical luminescence(XEOL)properties.These cluster complexes,namely[{Re_(6)Q_(8)}(PPh_(2)CH_(2)CH_(2)COO)_(6)]^(4−)(Q=S(1);Se,(2)),have the least cytotoxicity among all the tested hexanuclear metal-clusters,are capable of penetrating into cells and exhibit moderate photodynamic toxicity toward Hep-2 cells.展开更多
This study investigates the effects of dietary supplementation with molybdenum-based compounds on honey bee health.Among a series of dinuclear Mo(V)complexes,the most stable and non-toxic complexes were selected and t...This study investigates the effects of dietary supplementation with molybdenum-based compounds on honey bee health.Among a series of dinuclear Mo(V)complexes,the most stable and non-toxic complexes were selected and tested over an extensive eight-year field campaign involving more than 700 beehives across diverse environmental conditions in Moldova,France,Greece and the United States.展开更多
The chaotropic character of Keggin-type polyoxotungstate anions was evaluated with respect to their ability to bind toγ-cyclodextrin(γ-CD)by varying the global charge density of the nanometer-sized polyanion.
基金supported by the Russian Science Foundation[grant no.15-15-10006]the Czech Science Foundation[grant no.18-05076S]the Ministry of science and higher education of RF[no.0333-2017-0002].
文摘The development of water-soluble hexanuclear cluster complexes of low toxicity is a promising task due to their potential biomedical applications such as bioimaging and photodynamic therapy.Herein,we present the syntheses of two new water-soluble hexarhenium cluster complexes with terminal amphiphilic phosphine ligands,and delineate their photoluminescence and X-ray excited optical luminescence(XEOL)properties.These cluster complexes,namely[{Re_(6)Q_(8)}(PPh_(2)CH_(2)CH_(2)COO)_(6)]^(4−)(Q=S(1);Se,(2)),have the least cytotoxicity among all the tested hexanuclear metal-clusters,are capable of penetrating into cells and exhibit moderate photodynamic toxicity toward Hep-2 cells.
基金financial support from National Agency for Research and Development(ANCD)of the Republic of Moldova(Project No.20.80009.5007.10)is also acknowledgedDr Clémence Riva is gratefully acknowledged for her help for the statistical analyses.The NIIC team thanks the Ministry of Science and Higher Education of the Russian Federation(No.121031700321-3)AOS acknowledges the support of assays by state funding of RICEL—Branch of IC&G SB RAS.Mrs Aneta Ozieranska and Dr Karen Wright from Institut Lavoisier of Versailles are gratefully acknowledged for English correction.
文摘This study investigates the effects of dietary supplementation with molybdenum-based compounds on honey bee health.Among a series of dinuclear Mo(V)complexes,the most stable and non-toxic complexes were selected and tested over an extensive eight-year field campaign involving more than 700 beehives across diverse environmental conditions in Moldova,France,Greece and the United States.
基金supported by a public grant overseen by the French National Research Agency as part of the“Investissements d’Avenir”program(Labex Charm3at,ANR-11-LABX-0039-grant)as well as the CNRS-MOMENTUMThis research is also supported by the China Scholarship Council(CSC)to S.Y.(201904910419).The authors are grateful to Flavien Bourdreux and Cyrielle Rey for their help with elemental analyses.
文摘The chaotropic character of Keggin-type polyoxotungstate anions was evaluated with respect to their ability to bind toγ-cyclodextrin(γ-CD)by varying the global charge density of the nanometer-sized polyanion.
