Greener synthesis of lignin nanoparticles and their applications

Green Chemistry, Journal Year: 2020, Volume and Issue: 22(3), P. 612 - 636

Published: Jan. 1, 2020

Greener synthesis of lignin nanoparticles and their important biomedical applications are discussed.

Language: Английский

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Spherical lignin particles: a review on their sustainability and applications

Green Chemistry, Journal Year: 2020, Volume and Issue: 22(9), P. 2712 - 2733

Published: Jan. 1, 2020

A critical review on spherical lignin nanoparticles highlighting aspects associated to their shape, performance in applications, sustainability, stability and degradation.

Language: Английский

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In vitro evaluation of biodegradable lignin-based nanoparticles for drug delivery and enhanced antiproliferation effect in cancer cells

Biomaterials, Journal Year: 2017, Volume and Issue: 121, P. 97 - 108

Published: Jan. 4, 2017

Language: Английский

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Rapid and near-complete dissolution of wood lignin at ≤80°C by a recyclable acid hydrotrope

Science Advances, Journal Year: 2017, Volume and Issue: 3(9)

Published: Sept. 1, 2017

We report a near-complete dissolution of wood lignin at less than 80°C for 20 min using an easily recyclable hydrotrope.

Language: Английский

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Valorization of Acid Isolated High Yield Lignin Nanoparticles as Innovative Antioxidant/Antimicrobial Organic Materials

ACS Sustainable Chemistry & Engineering, Journal Year: 2018, Volume and Issue: 6(3), P. 3502 - 3514

Published: Jan. 11, 2018

In this study, dissolution of pristine alkali lignin into ethylene glycol, followed by addition different acidic conditions (HCl, H2SO4, and H3PO4 at pH) has been considered as a simple method to prepare high yield nanoparticles (LNP). Field emission scanning electron microscopy (FESEM), Zeta potential, gel permeation chromatography (GPC), thermogravimetric analysis (TGA) have utilized determine the influence precipitation procedures on particle size, molecular weight, thermal stability final obtained LNP. Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron (XPS), nuclear magnetic resonance (NMR) were also investigate chemical structures composition its antioxidative antimicrobial behaviors. Results from DPPH (1,1-diphenyl-2-picryl-hydrazyl) activity revealed antioxidant response LNP aqueous solutions, whereas results tests confirmed effective antibacterial agents against Gram negative bacteria Pseudomonas syringae pv tomato (CFBP 1323) (Pst), Xanthomonas axonopodis vesicatoria 3274) (Xav), arboricola pruni 3894) (Xap) plant pathogen strains. The how efficient could be an easy methodology for pathogens control. LNPs penetrate cell wall lysis react with ROS species inducing oxidative stress, ATP depletion, decrease in intracellular pH bacteria.

Language: Английский

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Enhancement of Triboelectric Charge Density by Chemical Functionalization

Advanced Functional Materials, Journal Year: 2020, Volume and Issue: 30(50)

Published: Sept. 9, 2020

Abstract A triboelectric nanogenerator (TENG) can convert energy in the surrounding environment to electricity. Therefore, recent years, research related TENGs has significantly increased owing its simple and low‐cost manufacturing process, high portability, efficiency. The principle of TENG lies coupling effect contact electrification electrostatic induction. Its output performance is directly proportional square surface charge density, which friction materials. To increase power a continuously provide electricity for other electronic equipment, many scholars have conducted detailed studies on properties Particularly, there been interest chemical functionalization due their unique advantages, such as durability, stability, self‐cleaning properties. This Progress Report highlights progress modification methods improving density TENGs, classifies according mechanisms. effects reaction, treatment, substance doping are systematically elaborated. Furthermore, applications chemically modified self‐powered sensors emerging fields, including wearable devices, human‐machine interfaces, implantable introduced. Lastly, challenges faced future developments discussed, thereby guiding researchers use improvement further exploration.

Language: Английский

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Engineered and Laser‐Processed Chitosan Biopolymers for Sustainable and Biodegradable Triboelectric Power Generation

Advanced Materials, Journal Year: 2018, Volume and Issue: 30(11)

Published: Jan. 19, 2018

Recent advances achieved in triboelectric nanogenerators (TENG) focus on boosting power generation and conversion efficiency. Nevertheless, obstacles concerning economical biocompatible utilization of TENGs continue to prevail. Being an abundant natural biopolymer from marine crustacean shells, chitosan enables exciting opportunities for low-cost, biodegradable TENG applications related fields. Here, the development flexible based is presented first time. The physical chemical properties nanocomposites are systematically studied engineered optimized generation, transforming otherwise wasted materials into functional energy devices. feasibility laser processing constituent further explored time engineering performance. treatment films offers a potentially promising scheme surface polymer-based TENGs. chitosan-based present efficient performance tunable biodegradation rate. Such new class derived biomaterials may pave way toward economically viable ecologically friendly production self-powered nanosystems biomedical environmental applications.

Language: Английский

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Lignin for Nano‐ and Microscaled Carrier Systems: Applications, Trends, and Challenges

ChemSusChem, Journal Year: 2019, Volume and Issue: 12(10), P. 2039 - 2054

Published: April 1, 2019

To liberate society from its dependence on fossil-based fuels and materials it is pivotal to explore components of renewable plant biomass in applications that benefit their intrinsic biodegradability, safety, sustainability. Lignin, a byproduct the pulp paper industry, plausible material for carrying various types cargo small- large-scale applications. Herein, possibilities constraints regarding physical-chemical properties lignin source as well modifications processing required render lignins suitable loading release pesticides, pharmaceuticals, biological macromolecules reviewed. In addition, technical challenges, regulatory toxicological aspects, future research needed realize some promises nano- microscaled hold sustainable are critically discussed.

Language: Английский

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From lignin association to nano-/micro-particle preparation: extracting higher value of lignin

Green Chemistry, Journal Year: 2016, Volume and Issue: 18(21), P. 5693 - 5700

Published: Jan. 1, 2016

As the most abundant source of renewable aromatic compounds on planet, lignin is gaining growing interest in replacing petroleum-based chemicals and products. Lignin nanoparticles offer many opportunities for value-added applications lignin.

Language: Английский

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Lignin nanoparticles enter the scene: A promising versatile green tool for multiple applications

Biotechnology Advances, Journal Year: 2020, Volume and Issue: 47, P. 107685 - 107685

Published: Dec. 29, 2020

Language: Английский

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