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2012 | 121 | 2 | 480-484
Article title

Initial Phases of Antarctic Ramalina terebrata Hook f. & Taylor Thalli Rehydration Observed by Proton Relaxometry

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EN
Abstracts
EN
Hydration kinetics, sorption isotherm, and proton free induction decays are measured for Ramalina terebrata thalli rehydrated from gaseous phase. Very tightly, tightly, and loosely bound water fractions are distinguished. Sorption isotherm is sigmoidal in form with the mass of water saturating primary water binding sites equal to Δ m/m_0 = 0.046. Proton free induction decays show the presence of immobilized water fraction (T_{2 L_1}* ≈ 100 μs) and mobile water pool (T_{2 L_2}* ≈ 330 μs). Sorption isotherm fitted to the NMR data shows the absence of water fraction "sealed" in pores of dry thallus.
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EN
Publisher

Year
Volume
121
Issue
2
Pages
480-484
Physical description
Dates
published
2012-02
Contributors
author
  • Institute of Physics, Jagiellonian University, W.S. Reymonta 4,30-059 Kraków, Poland
author
  • Institute of Physics, Jagiellonian University, W.S. Reymonta 4,30-059 Kraków, Poland
author
  • Institute of Physics, Jagiellonian University, W.S. Reymonta 4,30-059 Kraków, Poland
author
  • Institute of Physics, Jagiellonian University, W.S. Reymonta 4,30-059 Kraków, Poland
author
  • Institute of Botany, Jagiellonian University, M. Kopernika 27, 31-501 Kraków, Poland
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv121n268kz
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