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1by Hadjichristov, Georgi B Stefanov, Ivan L Stanimirov, Stanislav S Petkov, Ivan K Published in Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (2010)“...The luminescence of thenoyltrifluoroacetonate (TTA) coordination complexes of trivalent europium ion (Eu(III)) in aqueous solutions and in solid-state...”
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2by Hadjichristov, Georgi B Stefanov, Ivan L Stanimirov, Stanislav S Petkov, Ivan K Published in Proceedings of SPIE (02.10.2009)“...The luminescence response of a new coordination complex of europium Eu(III) ion, namely tris[4,4,4-trifluoro-1-(2-thienyl)-1,3-butanediono]Eu(III)...”
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3by Stanimirov, Stanislav S Petkov, Ivan K Published in Central European journal of chemistry (01.09.2008)“...The paper reports on the dependence of the absorbance and luminescent intensity from pH of novel poly(oxyethylene phosphate) tris(β-diketonate) europium (III)...”
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4by Stanimirov, Stanislav S Petkov, Ivan K Published in Central European Journal of Chemistry (01.09.2008)“...The paper reports on the dependence of the absorbance and luminescent intensity from pH of novel poly(oxyethylene phosphate) tris([beta]-diketonate) europium...”
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5by Ivanova, Bojidarka B Tchapkanov, Atanas G Arnaudov, Michail G Petkov, Ivan K Published in Central European journal of chemistry (01.12.2003)“...The UV-photoinduced prototropic isomerization of 1,3-diphenyl pyrazol-5-one (DPhP) embedded in polyvinyl chloride (PVC) film is studied by means of difference...”
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6by Chapkanov, Atanas G Koleva, Bojidarka B Arnaudov, Michail G Petkov, Ivan K Published in Chemical papers (01.06.2008)“...A detailed experimental and theoretical UV-spectral analysis of the tautomeric forms of 3-methyl-1-phenyl pyrazol-5-one and 1,3-diphenyl pyrazol-5-one as well...”
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9by PETKOV, IVAN KH“...The system is applied in medicine. It allows to save a maximum quantity of autologic blood and to retain its sufficiency for direct reinfusion, which waives...”
15.09.1993
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