Search Results - "Petkov, Ivan K"

Conference Proceeding

Femtosecond laser spectroscopy of europium complexes in solutions

by 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)...”

Journal Article

Novel pH responsive luminescent poly(oxyethylene phosphate) tris(β-diketonate) europium (III) complexes

by 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)...”

Journal Article

Novel pH responsive luminescent poly(oxyethylene phosphate) tris complexes

by Stanimirov, Stanislav S Petkov, Ivan K Published in Central European Journal of Chemistry (01.09.2008)

“...Byline: Stanislav S. Stanimirov (1), Ivan K. Petkov (1) Keywords: Eu(III) complexes; DBM; Poly(oxyethylene phosphate); Luminescence; pH; Ammonia The paper...”

Journal Article

IR-spectral study of photoinduced tautomerization in 1,3-diphenyl-pyrazol-5-one

by 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...”

Patent

SYSTEM FOR BLOOD COLLECTION AND REINFUSION FROM A SURGICAL WOUND
5

by PETKOV, IVAN KH
15.09.1993

“...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...”

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