Preparation, characterization, and the selective antimicrobial activity of N-alkylammonium 8-diethyleneglycol cobalt bis-dicarbollide derivatives

Kvasničková, Eva; Masák, Jan; Čejka, Jan; Maťátková, Olga; Šícha, Václav

doi:10.1016/j.jorganchem.2016.10.037

Cited by 32 publications

(42 citation statements)

References 36 publications

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“…23 Singlet oxygen can be used in photodynamic therapy, in photomedicine for cancer treatment [24][25][26] or for uses connected with its antimicrobial effects. 27,28 Fluorescence can be used in chemical sensors (uorescence spectroscopy), 29,30 uorescent dyes 31,32 or biological detectors. 33 However, borane synthesis is difficult and borane compounds are quite expensive.…”

Section: Introductionmentioning

confidence: 99%

Antimicrobial and optical properties of PET chemically modified and grafted with borane compounds

et al. 2018

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Section: Introductionmentioning

confidence: 99%

Antimicrobial and optical properties of PET chemically modified and grafted with borane compounds

et al. 2018

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“…After grafting of tested compounds containing amino‐ groups (cysteamine, CYS, ethylenediamine, DIA and chitosan, CHI) the surfaces get less negative, even the „positive“ charge due the presence of amino‐ groups under the surface which create the positive charge, in the presence of KCl water solution (‐NH 2 + H 2 O → ‐NH 3 + + OH − ) . On the other hand, the grafting of cobaltacarborane led to the other changes in surface charge due to own charge of the cobaltacarborane discussed above ,,…”

Section: Resultsmentioning

confidence: 99%

“…The effect is amplified by the presence of grafted cobaltcarborane compound in all cases. It well correspond to previously tested antimicrobial activity of selected cobaltacarborane clusters in pure state and its activity to gram‐ negative and gram‐ positive bacterial strains . It is also other promising results confirming the preservation of antimicrobial effect of used cobaltcarborane even when it is grafted on the polymer surface.…”

Section: Resultsmentioning

confidence: 99%

“…The nature of this unique molecule previously allowed to a design of new potential agents for the extraction of fission products, ion‐selective polymer electrodes, HPLC hydrophobic stationary phases, doping agents in conducting polymers, sensitized solar‐cells, redox potential chemical indicators and especially the highly selective antivirotics and antimicrobial agents …”

Section: Introductionmentioning

confidence: 99%

“…The antivirotics and antimicrobial behaviour of this compound has been studied and confirmed earlier . But the aim of our research was to find out if their properties remain preserve also after grafting of this compound onto polymer surface due to polymers are very widespread, inexpensive and easily available materials similar to silicates which we have tested earlier also with the aim of anchorage of borane clusters …”

Section: Introductionmentioning

confidence: 99%

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Nanostructured Surface and Antimicrobial Properties of Chemically Modified Polymer Foils

et al. 2019

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Surfaces of solid polymer foils were modified by chemical methods. Surfaces were firstly activated by Piranha solution and then grafted with selected amino‐compounds (cysteamine, ethylenediamine and chitosan). Next step was established of cobaltacarborane compound. Selected surface properties were studied using various available methods to characterize changes in surface chemistry (X‐ray photoelectron spectroscopy), charge and polarity (electrokinetic analysis), wettability (goniometry), surface roughness and morphology were studied by atomic force microscopy and scanning electron microscopy. Surface area with porosity by adsorption/desorption isotherms. The surface properties dramatically differ after individual activation and modification steps and can affect the adhesion properties. Also some antimicrobial tests were realized. Samples treated with cobaltcarborane compounds exhibit antimicrobial effects to algae D. quadricauda and to gram‐ positive bacteria S. epidermidis. It was confirmed this cobaltcarborane compound can be easily grafted on polymer surface by two ways (i) directly onto Piranha activated polymer surfaces and/or (ii) via amino‐ compounds previously grafted onto Piranha activated polymer surfaces. The most important fact is that its antimicrobial behaviour remains preserved also after its grafting onto polymer surface. These chemically modified polymers can be used in the fields of nanobiotechnology, tissue engineering studies, biomedicine or environment protection.

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Thecloso‐Dodecaborate Dianion Fused with Oxazoles Provides 3D Diboraheterocycles with Selective Antimicrobial Activity

Sun

Zhang

et al. 2018

Chemistry A European J

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The synthesis and application of icosahedral boron cluster compounds has been studied extensively since their discovery several decades ago; however, two aspects of their chemistry have received little attention: The possibility to form inorganic/organic fused boraheterocycles and their potential to act as antimicrobial agents. This work comprises the preparation of a class of 3D diborabenzoxazole analogues with the closo-dodecaborate in place of the benzene moiety. The presented synthetic procedures provide access to a wide range of diboraheterocycles under mild conditions. These 3D heterocycles exhibit strong and selective antimicrobial activity against Neisseria gonorrhoeae, a widespread bacterial pathogen that has shown increasing incidences of multidrug resistance and for which the development of new antimicrobial compounds is urgently needed.

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Preparation, characterization, and the selective antimicrobial activity of N-alkylammonium 8-diethyleneglycol cobalt bis-dicarbollide derivatives

Cited by 32 publications

References 36 publications

Antimicrobial and optical properties of PET chemically modified and grafted with borane compounds

Antimicrobial and optical properties of PET chemically modified and grafted with borane compounds

Nanostructured Surface and Antimicrobial Properties of Chemically Modified Polymer Foils

Thecloso‐Dodecaborate Dianion Fused with Oxazoles Provides 3D Diboraheterocycles with Selective Antimicrobial Activity

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