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1-Hydroxypyrene as a Biomarker for Fish Exposure to Polycyclic Aromatic Hydrocarbons
Application of Molecular Spectroscopy in the Mid-Infrared Region to the Determination of Glucose and Cholesterol in Whole Blood and in Blood Serum
The feasibility of applying molecular spectroscopy in the mid-infrared region to the quantitation of glucose and cholesterol in whole blood and in blood serum was examined by measuring the samples in… Expand
Reliability of Carotenoid Analyses: A Review
This review critically discusses the most important properties of techniques applied to analyses for carotenoids and their impact on the reliability of the analytical results. The emphasis is placed… Expand
pH-controlled self-assembling of meso-tetrakis(4-sulfonatophenyl)porphyrin-chitosan complexes.
Self-assembling hierarchy models were proposed for both of the TPPS(4)-chitosan supramolecular complexes based on structural inferences and showed that both complexes consist of compact nanostructures; their size and interconnection is different for 1 and 2. Expand
Investigation of guanosine-quartet assemblies by vibrational and electronic circular dichroism spectroscopy, a novel approach for studying supramolecular entities.
- V. Setnička, M. Urbanová, K. Volka, Sreenivasachary Nampally, J. Lehn
- Chemistry, Medicine
- 24 November 2006
Temperature-dependent experiments indicate that the long-range supramolecular aggregates are dissociated by increasing temperature into less ordered species, monomers, or other intermediates in equilibrium, as indicated by MS experiments. Expand
Vibrational circular dichroism of tetraphenylporphyrin in peptide complexes? A computational study.
In order to estimate whether induced optical activity in chiral complexes interferes with the signal of peptide vibrations, the vibrational circular dichroism (VCD) spectra of TPP were simulated and no significant contribution to VCD signal from the TPP residue was found in experimental spectra. Expand
Interaction of meso-tetrakis(4-sulphonatophenyl)porphine with chitosan in aqueous solutions.
- A. Synytsya, A. Synytsya, Petra Blafková, K. Volka, V. Král
- Chemistry, Medicine
- Spectrochimica acta. Part A, Molecular and…
- 1 February 2007
UV-vis absorption and circular dichroism spectroscopic titration of 10 micromol l-1 TPPS4 with chitosan demonstrated that an addition of the polysaccharide at appropriate concentrations and pH values induce and support self-aggregation of the macrocycles. Expand
Formation of Porphyrin- and Sapphyrin-Containing Monolayers on Electrochemically Prepared Gold Substrates: A FT Raman Spectroscopic Study
The formation of porphyrin- and sapphyrin-containing self-assembled monolayers (SAMs) on electrochemically prepared gold surfaces by a multistep approach is described. After electrochemical… Expand
An interlaboratory comparison of sample presentation methods for the analysis of aqueous solutions using fourier transform infrared spectroscopy
Abstract. Fourier transform infrared (FTIR) spectroscopy is becoming much more widely used as an analytical technique. It appears to be particularly useful for quantitative analysis, especially of… Expand
Effect of stabilizers in the thermal treatment of PVC—XII.: An I.R. spectroscopic study of the complexation of Na and Zn stearates in PVC
Effect of the 2:1 combination of Na and Zn stearates on the stabilization of PVC exposed to thermal stress at 180° in air has been studied by i.r. spectrometry (1900−1350 cm−1) and by determination… Expand