2D FTIR correlation spectroscopy and EPR analysis of Urtica dioica leaves from areas of different environmental pollution.
PBN-AR
Instytucja
Wydział Geograficzno-Biologiczny (Uniwersytet Pedagogiczny im. Komisji Edukacji Narodowej w Krakowie)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY (30pkt w roku publikacji)
ISSN
1386-1425
EISSN
Wydawca
DOI
URL
Rok publikacji
2018
Numer zeszytu
Strony od-do
405-414
Numer tomu
189
Identyfikator DOI
Liczba arkuszy
Autorzy
(liczba autorów: 5)
Pozostali autorzy
+ 4
Słowa kluczowe
en
Urtica Dioica
Raman microspectroscopy
EPR spectroscopy
2D correlation analysis
environmental pollution
Streszczenia
Język
en
Treść
Leaves of Urtica dioica collected from two areas of different environmental pollution were analysed by fourier transform infrared spectroscopy (FTIR) and electron paramagnetic resonance (EPR) spectroscopy. Analysis of FTIR spectra allows to describe main component of plant like proteins, lipids and carbohydrates. Although the FTIR spectra of plants from these two geographical locations of different environmental pollution appear to be relatively similar, 2D correlation shows completely different patterns. Synchronous and asynchronous correlation maps showed sequences of changes occurring during development of plant, manly in Amide I and Amide II, lignin, lipids and cellulose. In addition, 2D analysis revealed another sequence of changes as the function of plant growth depending on the degree of the environmental pollution. Two various kinds of paramagnetic species, transition metal ions (Mn(II), Fe(III)) and stable organic radicals (chlorophyll, semiquinone, tyrosyl and carbon centered) were found in leaves of nettle collected at different stages of development and growing in clean and polluted environment. In plants growing in polluted area the injuries of protein molecules bonding metal ions and the disturbances of photosynthesis and redox equilibrium in cells, as well as instability of polysaccharide structure of cell walls were observed.
Inne
System-identifier
21812
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