Papers by Miron Kaliszewski
Acta poloniae pharmaceutica
A route has been developed to high-purity precursors, viz., ALA esters, to be used in photodiagno... more A route has been developed to high-purity precursors, viz., ALA esters, to be used in photodiagnosis and photodynamic therapy. Hexyl, butyl and methyl 5-aminolevulinates are similar to the ALA acid in chemical stability and efficacy in producing the appropriate photosensitizer PpIX. Tests carried out on animal models showed the method based on the esters to be the more selective.
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International Journal of Cancer, 2009
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Journal of Materials Science and Nanotechnology, 2014
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ABSTRACT In presented work the analysis of liquid fuels with use of optical spectroscopy was perf... more ABSTRACT In presented work the analysis of liquid fuels with use of optical spectroscopy was performed. The fuels were examined with the use of two fluorescence techniques: steady-state fluorescence and time-resolved fluorescence. Recorded excitation-emission matrices (EEMs), with the use of steady-state fluorescence, allowed for estimation of the absorption and emission maxima, classification of the fuels was partially possible. Time-resolved fluorescence allowed for classification of the fuels into four groups. Among examined fuels the longest time of fluorescence decay was observed in diesel, petrol Pb98 and Pb95, in descending order.
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Archivum Immunologiae et Therapiae Experimentalis, 2014
The improvements in the existing methods of rapid detection and biological pathogen surveillance ... more The improvements in the existing methods of rapid detection and biological pathogen surveillance are still needed. The new spectroscopic methods that rely on the unique structural features and intrinsic fluorescence of microorganisms are well fitted for monitoring the spread of airborne biological agents or their reagentless detection in the air, and these methods may bring a new quality to bioaerosols remote detection. This review describes the problem of the confidence in the environmental testing results that may affect clearance standard, sampling techniques, and the estimation of risk of human exposure to the low concentrations of harmful microorganisms during bioterrorist event or naturally occurring outbreaks. Higher recovery efficiency of dangerous biological agents from the air and contaminated surfaces would enable more reliable environmental human risk exposure assessment.
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Laser Technology 2012: Applications of Lasers, 2012
ABSTRACT Fluorescence analysis of dry samples of biological origin like pollens, fungi, flours an... more ABSTRACT Fluorescence analysis of dry samples of biological origin like pollens, fungi, flours and proteins was presented. In the laboratory study presentenced here two fluorescence methods using semiconductor light sources were applied. Firstly, laser induced fluorescence emission (LIF) spectra of the samples were recorded under 266 and 375 nm excitation. The second technique covered fluorescence decay (FD) at 280 and 340 nm excitation. Hierarchical Cluster Analysis (HCA) of acquired spectra and decays was performed. Both LIF and FD showed that single wavelength excitation 266 and 280 nm, respectively allow distinguishing of pollens from other samples. Combining data of both excitation wavelengths, for LIF and FD, respectively, resulted in substantial improvement of data classification for groups according to the samples origin.
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Papers by Miron Kaliszewski