3D printed porous chitosan/metal–organic framework composites as effective adsorbents to remove heavy metals from wastewater

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 493, P. 152780 - 152780

Published: June 2, 2024

Language: Английский

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Novel Binary and Ternary Biocomposites (Zeolitic Imidazolate Framework (ZIF‐67), Graphene Oxide (GO) Nanosheet, and Guar Gum (GG) Biopolymer): Synthesis and Adsorption of Malachite Green Cationic Dye

ChemistrySelect, Journal Year: 2025, Volume and Issue: 10(5)

Published: Jan. 30, 2025

Abstract According to the research, zeolitic imidazolate framework (ZIF‐67) and graphene oxide (GO) nanosheets were synthesized with a guar gum (GG) biopolymer substrate form two‐component hybrid biocomposites: GO/ZIF‐67 (GOZ), GG/ZIF‐67 (GZ), three‐component GO/GG/ZIF‐67 (GGZ) polymer. These composites used adsorb malachite green (MG) cationic dye from an aqueous solution at room temperature. The chemical fractions, morphological structural properties of biocomposites determined using Fourier transform infrared spectrometer (FTIR), scanning electron microscope (SEM), X‐ray diffraction (XRD), Brunauer–Emmett–Teller (BET) analyses. adsorption MG was carried out on polymer under different experimental conditions. high surface area GZ, GOZ, GGZ 1362.89, 754.89, 833.67 m 2 g −1 , respectively, total pore volume 0.90 cm 3 for 0.51 GOZ GGZ, respectively. removal pollutant follows pseudo‐second order model Langmuir model. mechanism involves hydrogen bonding, π‐π stacking, electrostatic interactions. showed maximum efficiency 66.6%, 74.4%, 90.1%, data show that after cycles 90%, 86%, 82%.

Language: Английский

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Deep Eutectic Solvent and Poly (Vinyl Alcohol) Based Self‐healable, Injectable and Adhesive „Eutectogel”: An Emerging Drug Delivery Vehicle

ChemistrySelect, Journal Year: 2024, Volume and Issue: 9(1)

Published: Jan. 2, 2024

Abstract Multifunctional polymeric eutectogel with characteristics such as self‐healing, adhesive, moldable, load bearable and penetrable through the stratum corneum layer of skin is vital for designing highly efficient platform new age sustained transdermal drug delivery. Inspired by sea cucumber, which can loosen tighten its body merge collagen fibers to regain firmness, a biomimetic multifunctional above mentioned developed here interacting natural deep eutectic solvent (NADES) poly (vinyl alcohol) (PVA). Hydrogen bonding interactions responsible formation eutectogel, porous three‐dimensional fibrous network morphology mechanical strength well thixotropic behavior were assessed using state art analytical techniques. The also exhibited properties phase transition, i n‐vitro degradation stability function temperature, pH salt concentration, respectively apart from characteristics. eutectogel‐bound cotton patch high absorptivity (750 % high) curcumin was developed. further investigated potential delivery vehicle encapsulation anticancer drug, 5‐Fluoro Uracil. Skin permeation study chemotherapeutic activity against MCF‐07 human breast cancer cell lines evaluated, showing promising results.

Language: Английский

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Recent Progress in MOF‐Aerogel Fabrication and Applications

Small, Journal Year: 2024, Volume and Issue: 20(43)

Published: July 8, 2024

Abstract Recent advancements in metal–organic frameworks (MOFs) underscore their significant potential chemical and materials research, owing to remarkable properties diverse structures. Despite challenges like intrinsic brittleness, powdered crystalline nature, limited stability impeding direct applications, MOF‐based aerogels have shown superior performance various areas, particularly water treatment contaminant removal. This review highlights the latest progress aerogels, with a focus on hybrid systems incorporating graphene, carbon nanotube, silica, cellulose MOF which enhance functional properties. The manifold advantages of energy storage, adsorption, catalysis are discussed, an emphasizing improved stability, processability, ease handling. aims unlock real‐world applications. Aerogels expected reshape technological landscape MOFs through enhanced adaptability, efficiency.

Language: Английский

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Deep eutectic solvent based self-healable, stretchable and injectable eutectogels: A versatile platform for breast cancer treatment

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 488, P. 150703 - 150703

Published: March 26, 2024

Language: Английский

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Biocompatible, injectable and self-healable MOF-based anti-freezing eutectogels for higher encapsulation and sustained release of the anticancer drug curcumin

RSC Pharmaceutics, Journal Year: 2024, Volume and Issue: 1(2), P. 317 - 332

Published: Jan. 1, 2024

A MOF based eutectogel with antibacterial and antioxidant attributes, along hemocompatibility, is used for the encapsulation sustained release of curcumin.

Language: Английский

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Comprehensive insights into the application of graphene-based aerogels for metals removal from aqueous media: Surface chemistry, mechanisms, and key features

Advances in Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 335, P. 103338 - 103338

Published: Nov. 14, 2024

Efficient removal of heavy metals and other toxic metal pollutants from wastewater is essential to protect human health the surrounding vulnerable ecosystems. Therefore, significant efforts have been invested in developing practical sustainable tools address this issue, including high-performance adsorbents. In respect, within last few years, graphene-based aerogels/xerogels/cryogels (GBAs) emerged drawn attention as excellent materials for removing recovering harmful valuable different aqueous media. Such an upward trend mainly due features aerogel combined with properties graphene derivatives aerogel's network, GBAs' unique three-dimensional (3D) porous structure, high porosity, low density, large specific surface area, exceptional electron mobility, adjustable rich chemistry, remarkable mechanical features, tremendous stability. This review offers a comprehensive analysis fundamental aspects phenomena related application GBAs removal. Herein, we cover all types (bottom-up) synthesized GBAs, true microporous aerogels well 3D open-cell interconnected mesoporous macroporous aerogels, foams, sponges. Indeed, provide insights into understanding suitability such important by revealing mechanisms involved factors inducing controlling highly selective behavior these distinctive Besides conventional adsorptive pathways, critically analyzed ability electrochemically capture (i.e., electrosorption) their efficiency detoxification through reductive adsorption-reduction-readsorption). We also covered reusability aspect (GAs)-based adsorbents, which strongly linked outstanding stability efficient desorption captured metals. Furthermore, view numerous environmental benefits, development magnetically recoverable GAs highlighted. Moreover, shed light on potential scalable implementation evaluating performance continuous processes while highlighting versatility demonstrated remove multiple contaminants along Finally, provides readers accessible overview critical discussion major recent achievements regarding applications GAs-based adsorbents ions Along our recommendations suggestions future work new research directions opportunities, aims serve resource researchers field treatment inspire further progress towards next-generation expanding application.

Language: Английский

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Recent Advances in Porous Bio-Polymer Composites for the Remediation of Organic Pollutants

Polymers, Journal Year: 2024, Volume and Issue: 16(11), P. 1543 - 1543

Published: May 30, 2024

The increasing awareness of the importance a clean and sustainable environment, coupled with rapid growth both population technology, has instilled in people strong inclination to address issue wastewater treatment. This global concern prompted individuals prioritize proper management purification wastewater. Organic pollutants are very persistent due their destructive effects, it is necessary remove them from In last decade, porous organic polymers (POPs) have garnered interest among researchers effectiveness removing various types pollutants. Porous biopolymers seem be suitable candidates POPs. Sustainable consumption environmental protection, as well reducing toxic chemicals, advantages using preparation effective composites Composites containing biopolymers, like other POPs, can through absorption, membrane filtration, or oxidative photocatalytic effects. Although based on shown relatively good performance pollutants, insufficient strength limits performance. On hand, comparison including covalent frameworks, they weaker Therefore, generally used compounds. seems research these investigate reasons for composite components. review exhaustively investigates recent progress use removal form adsorbents, membranes, catalysts, etc. Information regarding mechanism, functionality, each component construction discussed. following provides vision future opportunities biopolymers.

Language: Английский

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A hybrid Electro-Driven adsorption and degradation system for antibiotics and dyes based on composite tablets composed of deep eutectic solvent-functionalized nanomaterials

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 471, P. 144776 - 144776

Published: July 14, 2023

Language: Английский

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Highly enhanced cationic dye adsorption from water by nitro-functionalized Zn-MOF nano/microparticles and biomolecular binder for improving the reusability

CrystEngComm, Journal Year: 2024, Volume and Issue: 26(18), P. 2413 - 2420

Published: Jan. 1, 2024

Zn-MOF with a nitro-functionalized ligand exhibited enhanced cationic dye adsorption, and binder coating improved the reusability.

Language: Английский

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