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Uporaba transmisijske elektronske mikroskopije ter uv-mikrospektrofotometrije za določanje lignina v celični steni iglavcev
ID Gričar, Jožica (Author), ID Čufar, Katarina (Author)

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PID: 20.500.12556/rul/e2876355-9d79-4303-950e-4d753617e150

Abstract
Kalijev permanganat je kot reagent v transmisijski elektronski mikroskopiji (TEM) zelo uporaben za ugotavljanje prisotnosti lignina v različnih morfoloških področjih lesa. Ker je metoda le kvalitativna, je priporočljivo rezultate, ugotovljene s TEM, potrditi še s kakšno drugo kvantitativno metodo,kot je npr. UV-mikrospektrofotometrija (UMSP). Metoda UMSP je zelo primerna za določanje vsebnosti lignina in njegove porazdelitve v lesnem tkivu. V članku je predstavljena metodologija in uporabnost TEM ter UMSP pri proučevanju porazdelitve lignina v celični steni.

Language:Slovenian
Keywords:UV-mikrospektrofotometrija, transmisijska elektronska mikroskopija, kalije permanganat, svetloba mikroskopija, lignin, celična stena, les, iglavci
Work type:Scientific work
Typology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Year:2004
Number of pages:Str. 89-104
Numbering:Št. 73
PID:20.500.12556/RUL-28898 This link opens in a new window
UDC:630*812:813.11(045)
ISSN on article:0351-3114
COBISS.SI-ID:1268390 This link opens in a new window
Publication date in RUL:11.07.2014
Views:2055
Downloads:294
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Record is a part of a journal

Title:Zbornik gozdarstva in lesarstva. forest and wood science & technology
Shortened title:Zb. gozd. lesar.
Publisher:Gozdarski inštitut Slovenije, Biotehniška fakulteta, Oddelek za gozdarstvo in obnovljive gozdne vire, Biotehniška fakulteta, Oddelek za lesarstvo
ISSN:0351-3114
COBISS.SI-ID:6206978 This link opens in a new window

Secondary language

Language:Unknown
Abstract:
Potassium permanganate represents a useful tool in transmission electron microscopy (TEM) for the localization of lignin in various morphological regions of wood. Since this method only provides qualitative estimation, another quantitative method is recommended to verify the results obtained by TEM, such as UV-microspectrophotometry (UMSP). The UMSP method was found to besuited for the determination of lignin content and its distribution in woodytissue. The present paper provides a methodical description and presents the applicability of TEM and UMSP for studies in the topochemistry of lignin distribution within cell walls.

Keywords:UV-microspectrophotometry, transmission electron microscopy, potassium permanaganate, light microscopy, cell wall, wood, conifers

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