Evaluation of physical, chemical, microstructural and micromechanical properties of nopal spines (Opuntia ficus-indica)

M. Q. Marin-Bustamante, J. J. Chanona-Pérez, N. Gυemes-Vera, I. Arzate-Vázquez, M. J. Perea-Flores, J. A. Mendoza-Pérez, G. Calderón-Domínguez, R. G. Casarez-Santiago

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Abstract

© 2018 Elsevier B.V. The aim of this work was to study the microstructure and micromechanical properties of spines obtained from nopal waste. Spines were obtained by drying at 40 °C then sieving. Physical and chemical assays and microscopy techniques were used to determine the role of microstructural arrangement in local micromechanical properties. Transversal (TS) and longitudinal sections (LS) of the spines were studied by indentation and microscopy. Environmental scanning electron microscopy was helpful for characterizing the overall structure of spines. Confocal laser scanning microscopy was used for determining the distribution of cellulose and lignin in spines, which was associated with their micromechanical properties. Atomic force microscopy showed that TS is less rough (R a = 3.08 ± 0.75 nm) and more hard (0.57 ± 0.31 GPa) than LS (R a = 24.56 ± 1.60 nm, 0.57 ± 0.31 GPa). In accordance with these results, the elastic modulus of LS (8.65 ± 3.18 GPa) is lower than that of TS (14.94 ± 7.09 GPa). The hardness and elastic modulus of libriform fibers and sclerified epidermis are influenced by their microstructures and as well as the distribution of cellulose and lignin in the spines. The microstructural arrangement and the distribution of cellulose and lignin in the TS provide greater hardness values than those of woods. The current study presents a novel structural characterization of nopal spines and their local micromechanical properties. This waste product could be a cheap and non-wood alternative resource of cellulose with good mechanical properties useful for designing novel biomaterials with applications in the agricultural sector.
Original languageAmerican English
Pages (from-to)707-718
Number of pages635
JournalIndustrial Crops and Products
DOIs
StatePublished - 1 Nov 2018

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Opuntia ficus-indica
Opuntia
cellulose
Cellulose
Lignin
lignin
microscopy
Microscopic examination
elastic modulus
modulus of elasticity
microstructure
hardness
Elastic moduli
Hardness
Microstructure
biocompatible materials
atomic force microscopy
indentation
sieving
confocal laser scanning microscopy

Cite this

@article{5eada59e5da34943b89a9425b95c8611,
title = "Evaluation of physical, chemical, microstructural and micromechanical properties of nopal spines (Opuntia ficus-indica)",
abstract = "{\circledC} 2018 Elsevier B.V. The aim of this work was to study the microstructure and micromechanical properties of spines obtained from nopal waste. Spines were obtained by drying at 40 °C then sieving. Physical and chemical assays and microscopy techniques were used to determine the role of microstructural arrangement in local micromechanical properties. Transversal (TS) and longitudinal sections (LS) of the spines were studied by indentation and microscopy. Environmental scanning electron microscopy was helpful for characterizing the overall structure of spines. Confocal laser scanning microscopy was used for determining the distribution of cellulose and lignin in spines, which was associated with their micromechanical properties. Atomic force microscopy showed that TS is less rough (R a = 3.08 ± 0.75 nm) and more hard (0.57 ± 0.31 GPa) than LS (R a = 24.56 ± 1.60 nm, 0.57 ± 0.31 GPa). In accordance with these results, the elastic modulus of LS (8.65 ± 3.18 GPa) is lower than that of TS (14.94 ± 7.09 GPa). The hardness and elastic modulus of libriform fibers and sclerified epidermis are influenced by their microstructures and as well as the distribution of cellulose and lignin in the spines. The microstructural arrangement and the distribution of cellulose and lignin in the TS provide greater hardness values than those of woods. The current study presents a novel structural characterization of nopal spines and their local micromechanical properties. This waste product could be a cheap and non-wood alternative resource of cellulose with good mechanical properties useful for designing novel biomaterials with applications in the agricultural sector.",
author = "Marin-Bustamante, {M. Q.} and Chanona-P{\'e}rez, {J. J.} and N. Gυemes-Vera and I. Arzate-V{\'a}zquez and Perea-Flores, {M. J.} and Mendoza-P{\'e}rez, {J. A.} and G. Calder{\'o}n-Dom{\'i}nguez and Casarez-Santiago, {R. G.}",
year = "2018",
month = "11",
day = "1",
doi = "10.1016/j.indcrop.2018.07.030",
language = "American English",
pages = "707--718",
journal = "Industrial Crops and Products",
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TY - JOUR

T1 - Evaluation of physical, chemical, microstructural and micromechanical properties of nopal spines (Opuntia ficus-indica)

AU - Marin-Bustamante, M. Q.

AU - Chanona-Pérez, J. J.

AU - Gυemes-Vera, N.

AU - Arzate-Vázquez, I.

AU - Perea-Flores, M. J.

AU - Mendoza-Pérez, J. A.

AU - Calderón-Domínguez, G.

AU - Casarez-Santiago, R. G.

PY - 2018/11/1

Y1 - 2018/11/1

N2 - © 2018 Elsevier B.V. The aim of this work was to study the microstructure and micromechanical properties of spines obtained from nopal waste. Spines were obtained by drying at 40 °C then sieving. Physical and chemical assays and microscopy techniques were used to determine the role of microstructural arrangement in local micromechanical properties. Transversal (TS) and longitudinal sections (LS) of the spines were studied by indentation and microscopy. Environmental scanning electron microscopy was helpful for characterizing the overall structure of spines. Confocal laser scanning microscopy was used for determining the distribution of cellulose and lignin in spines, which was associated with their micromechanical properties. Atomic force microscopy showed that TS is less rough (R a = 3.08 ± 0.75 nm) and more hard (0.57 ± 0.31 GPa) than LS (R a = 24.56 ± 1.60 nm, 0.57 ± 0.31 GPa). In accordance with these results, the elastic modulus of LS (8.65 ± 3.18 GPa) is lower than that of TS (14.94 ± 7.09 GPa). The hardness and elastic modulus of libriform fibers and sclerified epidermis are influenced by their microstructures and as well as the distribution of cellulose and lignin in the spines. The microstructural arrangement and the distribution of cellulose and lignin in the TS provide greater hardness values than those of woods. The current study presents a novel structural characterization of nopal spines and their local micromechanical properties. This waste product could be a cheap and non-wood alternative resource of cellulose with good mechanical properties useful for designing novel biomaterials with applications in the agricultural sector.

AB - © 2018 Elsevier B.V. The aim of this work was to study the microstructure and micromechanical properties of spines obtained from nopal waste. Spines were obtained by drying at 40 °C then sieving. Physical and chemical assays and microscopy techniques were used to determine the role of microstructural arrangement in local micromechanical properties. Transversal (TS) and longitudinal sections (LS) of the spines were studied by indentation and microscopy. Environmental scanning electron microscopy was helpful for characterizing the overall structure of spines. Confocal laser scanning microscopy was used for determining the distribution of cellulose and lignin in spines, which was associated with their micromechanical properties. Atomic force microscopy showed that TS is less rough (R a = 3.08 ± 0.75 nm) and more hard (0.57 ± 0.31 GPa) than LS (R a = 24.56 ± 1.60 nm, 0.57 ± 0.31 GPa). In accordance with these results, the elastic modulus of LS (8.65 ± 3.18 GPa) is lower than that of TS (14.94 ± 7.09 GPa). The hardness and elastic modulus of libriform fibers and sclerified epidermis are influenced by their microstructures and as well as the distribution of cellulose and lignin in the spines. The microstructural arrangement and the distribution of cellulose and lignin in the TS provide greater hardness values than those of woods. The current study presents a novel structural characterization of nopal spines and their local micromechanical properties. This waste product could be a cheap and non-wood alternative resource of cellulose with good mechanical properties useful for designing novel biomaterials with applications in the agricultural sector.

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