Heavy Metals and Pesticides Toxicity in Agricultural Soil and Plants: Ecological Risks and Human Health Implications

Toxics, Journal Year: 2021, Volume and Issue: 9(3), P. 42 - 42

Published: Feb. 25, 2021

Environmental problems have always received immense attention from scientists. Toxicants pollution is a critical environmental concern that has posed serious threats to human health and agricultural production. Heavy metals pesticides are top of the list toxicants endangering nature. This review focuses on toxic effect heavy (cadmium (Cd), lead (Pb), copper (Cu), zinc (Zn)) (insecticides, herbicides, fungicides) adversely influencing ecosystem (plant soil) health. Furthermore, accumulation pesticide residues in soils plants been discussed detail. In addition, characteristics contaminated soil plant physiological parameters reviewed. Moreover, diseases caused by exposure were also reported. The bioaccumulation, mechanism action, transmission pathways both emphasized. bioavailability uptake these contaminants considered. Meanwhile, synergistic antagonistic interactions between their combined effects discussed. Previous relevant studies included cover all aspects this review. information provides deep insights into understanding hazardous effects.

Language: Английский

---

Impact of Agrochemicals on Soil Microbiota and Management: A Review

Land, Journal Year: 2020, Volume and Issue: 9(2), P. 34 - 34

Published: Jan. 23, 2020

The World Health Organization (WHO) states that in developing nations, there are three million cases of agrochemical poisoning. prolonged intensive and indiscriminate use agrochemicals adversely affected the soil biodiversity, agricultural sustainability, food safety, bringing long-term harmful effects on nutritional security, human animal health. Most negatively affect microbial functions biochemical processes. alteration diversity composition beneficial community can be unfavorable to plant growth development either by reducing nutrient availability or increasing disease incidence. Currently, is a need for qualitative, innovative, demand-driven research science, especially countries facilitating high-quality eco-friendly creating conducive trustworthy work atmosphere, thereby rewarding productivity merits. Hence, we reviewed (1) impact various environment; (2) importance smallholder farmers sustainable crop protection enhancement solutions, (3) management strategies serve scientific community, policymakers, land managers integrating sustainability practices farming households. current review provides an improved understanding security.

Language: Английский

---

Lignin-Based Hydrogels: Synthesis and Applications

Polymers, Journal Year: 2020, Volume and Issue: 12(1), P. 81 - 81

Published: Jan. 3, 2020

Polymers obtained from biomass are an interesting alternative to petro-based polymers due their low cost of production, biocompatibility, and biodegradability. This is the case lignin, which second most abundant biopolymer in plants. As a consequence, exploitation lignin for production new materials with improved properties currently considered as one main challenging issues, especially paper industry. Regarding its chemical structure, crosslinked polymer that contains many functional hydrophilic active groups, such hydroxyls, carbonyls methoxyls, provides great potential be employed synthesis biodegradable hydrogels, recognized applicability biomedicine, soil water treatment, agriculture, among others. work describes methods preparation lignin-based hydrogels reported last years, based on and/or physical interaction widely used formulations. Furthermore, herein also reviewed current applications stimuli-responsive materials, flexible supercapacitors, wearable electronics biomedical remediation applications.

Language: Английский

---

Multifunctional lignin-based nanocomposites and nanohybrids

Green Chemistry, Journal Year: 2021, Volume and Issue: 23(18), P. 6698 - 6760

Published: Jan. 1, 2021

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

Language: Английский

---

Deconstruction and Reassembly of Renewable Polymers and Biocolloids into Next Generation Structured Materials

Chemical Reviews, Journal Year: 2021, Volume and Issue: 121(22), P. 14088 - 14188

Published: Aug. 20, 2021

This review considers the most recent developments in supramolecular and supraparticle structures obtained from natural, renewable biopolymers as well their disassembly reassembly into engineered materials. We introduce main interactions that control bottom-up synthesis top-down design at different length scales, highlighting promise of natural associated building blocks. The latter have become actors surge scientific patent literature related to subject. Such make prominent use multicomponent hierarchical polymeric assemblies contain polysaccharides (cellulose, chitin, others), polyphenols (lignins, tannins), proteins (soy, whey, silk, other proteins). offer a comprehensive discussion about exist native architectures (including composite forms), chemical modification deconstruction high axial aspect nanofibers nanorods. reflect on availability suitability types blocks enable superstructures colloidal associations. As far processing, we describe relevant transitions, solution gel state routes can be used arrive consolidated materials with prescribed properties. highlight implementation technological fields exploit synergies exhibited by polymers biocolloids integrated structured

Language: Английский

---

Recent advances and challenges of inter-disciplinary biomass valorization by integrating hydrothermal and biological techniques

Renewable and Sustainable Energy Reviews, Journal Year: 2020, Volume and Issue: 135, P. 110370 - 110370

Published: Sept. 28, 2020

Biomass valorization for the production of various value-added biochemicals and biofuels plays a significant role in modern biorefineries/bioenergy towards climate neutrality future. Among developed techniques biorefining, hydrothermal biological treatments have been demonstrated to valorize raw biomass materials or upgrade biorefinery intermediate products afford respectably desired product yields. From perspective both green chemistry circular bioeconomy, whether inter-disciplinary approach could achieve complete with balanced energy extra profits remains questionable. This review is presented provide an overview opportunities combining valorization. Combinations including (1) pretreatment followed by (such as enzymatic hydrolysis, fermentation, anaerobic digestion, composting) (2) substrates generated from hydrolysis pretreated food waste, digestion produced digestate) biochar, biocrude syngas are comprehensively reviewed. The recent advances regarding treatment conditions, synergies between techniques, optimal performances summarized compared. Assessment balance economic feasibility different integrated options reported previous studies also Finally, challenges perspectives advancing toward concluded.

Language: Английский

---

Wood‐Derived Functional Polymeric Materials

Advanced Materials, Journal Year: 2020, Volume and Issue: 33(28)

Published: June 23, 2020

In recent years, tremendous efforts have been dedicated to developing wood-derived functional polymeric materials due their distinctive properties, including environmental friendliness, renewability, and biodegradability. Thus, the uniqueness of main components in wood (cellulose lignin) has attracted enormous interest for both fundamental research practical applications. Herein, emerging field fabricated by means macromolecular engineering is reviewed, covering basic structures properties components, design principle utilize these resulting terms elastomers, hydrogels, aerogels, nanoparticles. detail, natural features significant roles fabrication are emphasized. Furthermore, utilization controlled/living polymerization, click chemistry, dynamic bonds etc., modification specifically discussed from perspective molecular design, together with sequential assembly into different morphologies. The functionalities mainly focused on self-healing shape-memory abilities, adsorption, conduction, etc. Finally, challenges presented, as well potential solutions or directions develop green scalable materials.

Language: Английский

---

Lignin Nanoparticles and Their Nanocomposites

Nanomaterials, Journal Year: 2021, Volume and Issue: 11(5), P. 1336 - 1336

Published: May 19, 2021

Lignin nanomaterials have emerged as a promising alternative to fossil-based chemicals and products for some potential added-value applications, which benefits from their structural diversity biodegradability. This review elucidates perspective in recent research on nanolignins nanocomposites. It summarizes the different nanolignin preparation methods, emphasizing anti-solvent precipitation, self-assembly interfacial crosslinking. Also described are of various nanocomposites by chemical modification compounds with inorganic materials or polymers. Additionally, advances numerous high-value such use food packaging, biomedical, engineering biorefineries, described.

Language: Английский

---

Nano-Structured Lignin as Green Antioxidant and UV Shielding Ingredient for Sunscreen Applications

Antioxidants, Journal Year: 2021, Volume and Issue: 10(2), P. 274 - 274

Published: Feb. 10, 2021

Green, biocompatible, and biodegradable antioxidants represent a milestone in cosmetic cosmeceutical applications. Lignin is the most abundant polyphenol nature, recovered as low-cost waste from pulp paper industry biorefinery. This polymer characterized by beneficial physical chemical properties which are improved at nanoscale level due to emergence of antioxidant UV shielding activities. Here we review use lignin nanoparticles applications, focusing on sunscreen antiaging formulations. Advances technology for preparation described highlighting structure activity relationships.

Language: Английский

---

Recent progress in biomedical and biotechnological applications of lignin-based spherical nano- and microstructures: a comprehensive review

Materials Today Chemistry, Journal Year: 2022, Volume and Issue: 26, P. 101198 - 101198

Published: Sept. 29, 2022

Spherical particles based on materials of natural origin have recently gained increased attention because their unique properties, including shape, structure, and ability to combine with other materials. Lignin has potential be applied across multiple sectors, recent focus its valorization in high end application routes which favor renewability, biocompatibility, non-toxicity. The most promising findings are reported, that spherical lignin a very effective carrier delivery vehicle for active pharmaceutical ingredients the treatment various diseases, cancers etc. Due developments, can successfully used accelerated wound healing growth inhibition against variety bacterial strains taking advantage inherent antimicrobial antioxidant properties. Notably, also finding opportunities agrochemical industry, combination properties such as stability, composability, possibility encapsulation pesticides fungicides without pollution environment. presented review aims discuss impact developments related lignin-based novel biomedical biotechnological application, may provide guidance future possibilities lignin.

Language: Английский

---