Multifunctional lignin-based nanocomposites and nanohybrids

Lizundia, Erlantz; Sipponen, Mika H.; Greca, Luiz G.; Balakshin, Mikhail; Tardy, Blaise L.; Rojas, Orlando J.; Puglia, Debora

doi:10.1039/d1gc01684a

Cited by 124 publications

(92 citation statements)

References 493 publications

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“…Lignin is a three-dimensional and complex aromatic biopolymer that is bound to cellulose and hemicellulose within the plant cell wall microstructure (Figure 2A). Furthermore, it has attracted great attention due to its availability at large scales (Lizundia et al, 2021). In the last years, lignin-based nanoparticles (LNPs) have been used in agriculture against fungus, and insects due to their eco-friendly properties, low cost, and good encapsulating properties; however, this formulation is insoluble in the aqueous environment, which raises some technical difficulties when producing nanocarriers or promoting cargo delivery.…”

Section: Lignin-based Nanopesticidesmentioning

confidence: 99%

Recent Advances on Lignocellulosic-Based Nanopesticides for Agricultural Applications

Lima

Antunes

Forini

et al. 2021

Front. Nanotechnol.

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Controlled release systems of agrochemicals have been developed in recent years. However, the design of intelligent nanocarriers that can be manufactured with renewable and low-cost materials is still a challenge for agricultural applications. Lignocellulosic building blocks (cellulose, lignin, and hemicellulose) are ideal candidates to manufacture ecofriendly nanocarriers given their low-cost, abundancy and sustainability. Complexity and heterogeneity of biopolymers have posed challenges in the development of nanocarriers; however, the current engineering toolbox for biopolymer modification has increased remarkably, which enables better control over their properties and tuned interactions with cargoes and plant tissues. In this mini-review, we explore recent advances on lignocellulosic-based nanocarriers for the controlled release of agrochemicals. We also offer a critical discussion regarding the future challenges of potential bio-based nanocarrier for sustainable agricultural development.

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Section: Lignin-based Nanopesticidesmentioning

confidence: 99%

Recent Advances on Lignocellulosic-Based Nanopesticides for Agricultural Applications

Lima

Antunes

Forini

et al. 2021

Front. Nanotechnol.

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“…Lignin possesses antioxidative, antimicrobial, and UV-blocking(-shielding) properties due to its abundance of radical-scavenging phenolic and methoxyl groups [3][4][5]. Its properties are exploited in the production of new biomaterials such as biodegradable packaging, nanocomposite membranes, self-healing materials for biomedical and tissue engineering, and composite extracted from municipal solid waste [6][7][8][9][10][11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Investigation of Degradation of Composites Based on Unsaturated Polyester Resin and Vinyl Ester Resin

2022

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This study compares the degradation process of unsaturated polyester resin (UPR) and vinyl ester resin (VER) and their biocomposites with kraft lignin. In order to study their degradation, accelerated aging, immersion in different solvents, microwave radiation and high temperature were applied. The results show that, depending on the conditions, the degradation assumes a different course. The VER resin is more chemically resistant than the UPR resin. In the case of the composites immersed in an aggressive solvent (acetone), it can be observed that the polymer matrix is degraded, whereas in water only a small increase of weight takes place. Immersion in NaOH initiates the degradation process consisting in the hydrolysis of ester bonds, which are especially observed for pure resins. Under the influence of UV radiation and microwaves, the resins are additionally cross-linked. Thermogravimetric analysis shows that in the case of composites heated to 1000 °C, a residual mass remains, which is carbonized with lignin. In turn, composites treated with microwaves lost weight.

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“…Lignin is a highly abundant biopolymer constituting for about 15 to 30% of the plant biomass alongside cellulose and hemicelluloses (Lizundia et al 2021). Its complex macromolecular structure is very different from PS and composed of various types of randomly cross-linked aromatic monolignol building blocks and corresponding interunit linkages (see Fig.…”

Section: Introductionmentioning

confidence: 99%

“…Biomaterials derived from lignin are of great interest in biomedical, pharmaceutical, and personal care applications due to its antioxidant, antimicrobial, and anti-UV activities (Sugiarto et al 2022;Shu et al 2021). Nanomaterials and nanocomposites of lignin offer unique application potential in this context (Schneider et al 2021;Lizundia et al 2021).…”

Section: Introductionmentioning

confidence: 99%

Composite nanoparticles derived by self-assembling of hydrophobic polysaccharide derivatives and lignin

et al. 2022

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Composite nanoparticles (NPs) consisting of lignin and different polysaccharide (PS) derivatives were prepared. In this synergistic approach, the PS derivative acts as biocompatible matrix that forms spherical NPs while lignin is a functional compound with therapeutic potential (e.g., antioxidative, antimicrobial, antiviral). Organosolv lignin and three different PS derivatives (cellulose acetate/CA, cellulose acetate phthalate/CAPh, xylan phenyl carbonate/XPC) were used in this study. Nanocomposites with particle sizes in the range of about 200–550 nm containing both types of biopolymers are accessible by dialysis of organic PS/lignin solutions against water. In particular, XPC and CAPh, which both contain aromatic substituents, were found to be suitable for incorporation of lignin within the PS nanomatrix. The present work paves the way for future studies in which the pharmaceutical potential and biocompatibility of composite NPs of lignin and PS derivatives with tailored properties are investigated.

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Multifunctional lignin-based nanocomposites and nanohybrids

Abstract: Significant progress has been achieved in recent years in relation to lignin valorization and development of high-performance sustainable materials.

Cited by 124 publications

References 493 publications

Recent Advances on Lignocellulosic-Based Nanopesticides for Agricultural Applications

Recent Advances on Lignocellulosic-Based Nanopesticides for Agricultural Applications

Investigation of Degradation of Composites Based on Unsaturated Polyester Resin and Vinyl Ester Resin

Composite nanoparticles derived by self-assembling of hydrophobic polysaccharide derivatives and lignin

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