ZL-DHP lignin model compound at the air-water interface

Miodrag Micic; Jhony Orbulescu; Ksenija Radotic; Milorad Jeremic; Guodong Sui; Yujun Zheng; Roger M. Leblanc

doi:10.1016/S0301-4622(02)00121-7

ZL-DHP lignin model compound at the air-water interface

Miodrag Micic, Jhony Orbulescu, Ksenija Radotic, Milorad Jeremic, Guodong Sui, Yujun Zheng, Roger M. Leblanc

Chemistry

Research output: Contribution to journal › Article

8 Scopus citations

Abstract

In this paper we present our surface chemistry studies of enzymatically polymerized, poly-coniferyl alcohol lignin model compound (dehydrogenate polymer a.k.a. ZL-DHP) at the air-water interface. Using the CHCl₃/MeOH (5:1 v/v) spreading solvent, we found an average molecular area of ZL-DHP of approximately 1200 Å². The monolayer expresses a high compressibility with a collapsed area of 500 Å² and collapsed surface pressure of 28 mN m^-1. In the range of applied surface pressures, ZL-DHP polymer have no phase changes, as shown by the very high linearity (R=0.994) of absorbance vs. surface pressure cure. There was no symmetry transitions observed as shown by absence of shifts of absorption peak maximums.

Original language	English (US)
Article number	3018
Pages (from-to)	55-62
Number of pages	8
Journal	Biophysical Chemistry
Volume	99
Issue number	1
DOIs	https://doi.org/10.1016/S0301-4622(02)00121-7
State	Published - Jan 1 2002

Keywords

Air-water interface
Cell wall
DHP
Langmuir film
Lignin model compound
Plant physiology
Polymer

ASJC Scopus subject areas

Biochemistry
Physical and Theoretical Chemistry
Biophysics

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Micic, M., Orbulescu, J., Radotic, K., Jeremic, M., Sui, G., Zheng, Y., & Leblanc, R. M. (2002). ZL-DHP lignin model compound at the air-water interface. Biophysical Chemistry, 99(1), 55-62. [3018]. https://doi.org/10.1016/S0301-4622(02)00121-7

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title = "ZL-DHP lignin model compound at the air-water interface",

abstract = "In this paper we present our surface chemistry studies of enzymatically polymerized, poly-coniferyl alcohol lignin model compound (dehydrogenate polymer a.k.a. ZL-DHP) at the air-water interface. Using the CHCl3/MeOH (5:1 v/v) spreading solvent, we found an average molecular area of ZL-DHP of approximately 1200 {\AA}2. The monolayer expresses a high compressibility with a collapsed area of 500 {\AA}2 and collapsed surface pressure of 28 mN m-1. In the range of applied surface pressures, ZL-DHP polymer have no phase changes, as shown by the very high linearity (R=0.994) of absorbance vs. surface pressure cure. There was no symmetry transitions observed as shown by absence of shifts of absorption peak maximums.",

keywords = "Air-water interface, Cell wall, DHP, Langmuir film, Lignin model compound, Plant physiology, Polymer",

author = "Miodrag Micic and Jhony Orbulescu and Ksenija Radotic and Milorad Jeremic and Guodong Sui and Yujun Zheng and Leblanc, {Roger M.}",

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AU - Micic, Miodrag

AU - Orbulescu, Jhony

AU - Radotic, Ksenija

AU - Jeremic, Milorad

AU - Sui, Guodong

AU - Zheng, Yujun

AU - Leblanc, Roger M.

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N2 - In this paper we present our surface chemistry studies of enzymatically polymerized, poly-coniferyl alcohol lignin model compound (dehydrogenate polymer a.k.a. ZL-DHP) at the air-water interface. Using the CHCl3/MeOH (5:1 v/v) spreading solvent, we found an average molecular area of ZL-DHP of approximately 1200 Å2. The monolayer expresses a high compressibility with a collapsed area of 500 Å2 and collapsed surface pressure of 28 mN m-1. In the range of applied surface pressures, ZL-DHP polymer have no phase changes, as shown by the very high linearity (R=0.994) of absorbance vs. surface pressure cure. There was no symmetry transitions observed as shown by absence of shifts of absorption peak maximums.

AB - In this paper we present our surface chemistry studies of enzymatically polymerized, poly-coniferyl alcohol lignin model compound (dehydrogenate polymer a.k.a. ZL-DHP) at the air-water interface. Using the CHCl3/MeOH (5:1 v/v) spreading solvent, we found an average molecular area of ZL-DHP of approximately 1200 Å2. The monolayer expresses a high compressibility with a collapsed area of 500 Å2 and collapsed surface pressure of 28 mN m-1. In the range of applied surface pressures, ZL-DHP polymer have no phase changes, as shown by the very high linearity (R=0.994) of absorbance vs. surface pressure cure. There was no symmetry transitions observed as shown by absence of shifts of absorption peak maximums.

KW - Air-water interface

KW - Cell wall

KW - DHP

KW - Langmuir film

KW - Lignin model compound

KW - Plant physiology

KW - Polymer

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