Insights into the Adsorption of Cr(VI) on Activated Carbon Prepared from Walnut Shells: Combining Response Surface Methodology with Computational Calculation

Clean Technologies, Journal Year: 2024, Volume and Issue: 6(1), P. 199 - 220

Published: Feb. 26, 2024

Walnut shells were used to produce highly microporous activated carbon. The prepared walnut found be an efficient adsorbent for removing Cr(VI). study the response surface methodology investigate four independent variables effect: Cr(VI) concentration, pH, AC-Ws dose, and temperature on removal efficiency, which was studied in concentration range of 0.1 0.3 g/L, 4 10, 15 35 °C 1 5 mg/L, respectively. Through experiments designed, optimum conditions determined 4, 0.23 298 k, 2 At these conditions, efficiency 93%. thermodynamic adsorption process showed a spontaneous exothermic nature. kinetic model that explains experimental data is pseudo-second-order model. Furthermore, Langmuir isotherm estimated excellent representation equilibrium data. Quantum calculations NCI analyses also performed get more light mechanism atom its complex form surface.

Language: Английский

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Global Advancements in Bioactive Material Manufacturing for Drug Delivery: A Comprehensive Study

ACS Omega, Journal Year: 2025, Volume and Issue: 10(1), P. 1207 - 1225

Published: Jan. 3, 2025

Manufacturing bioactive materials for drug delivery involves developing that interact with biological tissues to release drugs in a controlled and targeted manner. The goal is optimize therapeutic efficacy reduce side effects by combining knowledge from engineering, biology, pharmacology. This study presents detailed bibliometric analysis, exploring the keywords "manufacturing," "bioactive materials," "drug delivery" identify highlight significant advancements field. From Web of Science, 36,504 articles were analyzed, 171 selected deeper identifying key journals, countries, institutions, authors. results field's interdisciplinary nature, grouped into four main themes, including regenerative medicine, scaffolds, three-dimensional (3D) printing, glass, tissue engineering. Future research this area will focus on more effective precise systems using technologies like 3D printing nanotechnology enhance customization control release, aiming efficient therapies.

Language: Английский

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Eco-friendly synthesis of Chitosan NPs from Fioria vitifolia (L.) L: Potential to Antibacterial, Antioxidant, Cytotoxicity properties of HepG2 cells and their evaluation of safety on Zebrafish embryo

Results in Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 104076 - 104076

Published: Jan. 1, 2025

Language: Английский

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Harnessing sustainable N-doped activated carbon from walnut shells for advanced all-solid-state supercapacitors and targeted Rhodamine B dye adsorption

Journal of Science Advanced Materials and Devices, Journal Year: 2024, Volume and Issue: 9(2), P. 100699 - 100699

Published: March 4, 2024

This research introduces a novel approach to repurposing walnut shells, an abundant agricultural waste, for the synthesis of sustainable nitrogen-doped activated carbon (N@AC). The resulting material exhibits remarkable properties suitable dual applications in high-performance all-solid-state supercapacitors and efficient Rhodamine B dye (RhB) adsorption. In three-electrode setup, N@AC electrode impressive specific capacitance 484.6 F g-1 at 1 A long-term stability, maintaining 97.4% its initial performance even after 5000 charge-discharge cycles. Simultaneously, symmetric supercapacitor configuration (N@AC//N@AC) demonstrates outstanding capacitance, registering 168.8 g-1, accompanied by favourable rate capability 67.3% 10 g-1. Notably, N@AC//N@AC attains high energy density 39.8 WhKg−1 Furthermore, cyclic retaining 83.91% 10,000 Moreover, adsorption efficiency toward RhB is scrutinized, highlighting efficacy addressing environmental remediation challenges. porous architecture nitrogen functionalities play crucial role expeditiously eliminating organic pollutants from aqueous solutions, offering treating wastewater. Optimal conditions highest are identified: pH 7.2, contact duration 180 min, concentration 20 mgL−1. Thermodynamic evaluations, encompassing determination ΔH◦, ΔS◦, signify endothermic spontaneous nature process. desorption investigations, it noted that H2O, employed as eluting agent, proficiently releases 87.35% adsorbed dye.

Language: Английский

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Extraction, chemical components, bioactive functions and adulteration identification of walnut oils: A review

Grain & Oil Science and Technology, Journal Year: 2024, Volume and Issue: 7(1), P. 30 - 41

Published: Jan. 21, 2024

Walnut oil is a functional wood known to researchers that may potentially be large source of Chinese edible oils. There are various extraction methods for walnut oil, including traditional (pressing, solvent- and enzyme-assisted extraction) novel (microwave, ultrasound, supercritical CO2, subcritical other technologies). rich in nutrients, phytosterols, tocopherols, polyphenols, squalene minerals. It provides many health benefits, such as antioxidant, antitumor, anti-inflammatory, antidiabetic lipid metabolism-related functions. In addition, the authentication has received much research attention. The present review detailed on extraction, composition, benefits adulteration identification methods. path toward further improvement context market value also discussed.

Language: Английский

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Novel recovery of a low-concentration gold thiosulfate complex through electroreduction via a walnut shell charcoal electrode

Deleted Journal, Journal Year: 2024, Volume and Issue: 1(1), P. 58 - 66

Published: March 1, 2024

Low-concentration Au(S2O3)23− recovery is an urgent issue to facilitate the application of thiosulfate leaching instead cyanide in factories. Herein, this work presents a novel low-concentration combining adsorption and electrodeposition (electroreduction) realize high form gold particles (Au0). Walnut shells were used as raw material for successful preparation charcoal with porous structure rich oxygen-containing functional groups. shell (WSC) electrode achieved efficient Au(S2O3)23−. The under conditions was higher than 90%, highest reduction 46.97 mg·g−1. Applying suitable low voltage (0.8 V) facilitated recovery, which immensely improved that without voltage. performances applied via WSC related electrochemical abilities, including reaction intensity charge transfer. More reactive sites containing pores oxygen groups beneficial reaction. This offers new way recover cheap electrodes from solutions cyanide-free method industry.

Language: Английский

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Effect of Alkyl Peroxyl Radical Oxidation on the Oxidative Stability of Walnut Protein Emulsions and Their Adsorbed Proteins

Foods, Journal Year: 2024, Volume and Issue: 13(10), P. 1513 - 1513

Published: May 13, 2024

Walnuts are high in protein content and rich nutrients susceptible to oxidation during production processing, leading a decrease the stability of walnut emulsions. In this paper, effect alkyl peroxyl radical on emulsions is investigated. With increase 2,2-azobis (2-methylpropionamidine) dihydrochloride (AAPH) concentration, both its fat were oxidized different degrees, droplets emulsion first dispersed then aggregated as seen from laser confocal, was best at AAPH concentration 0.2 mmol/L. addition this, adsorption rate adsorbed proteins showed decreasing an increasing trend with concentration. The results that moderate (AAPH concentration: 0–0.2 mmol/L) promoted flexibility interfacial tension, droplet size stability, excessive 1–25 mmmol/L) weakened electrostatic repulsion, making less stable. study provide theoretical references for quality control

Language: Английский

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Upcycling commercial nut byproducts for food, nutraceutical, and pharmaceutical applications: A comprehensive review

Food Chemistry, Journal Year: 2024, Volume and Issue: 467, P. 142222 - 142222

Published: Nov. 26, 2024

Language: Английский

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Effects of walnut kernel pellicle on the composition and properties of enzymatic hydrolysates of walnut meal by peptidomics and bioinformatics

Journal of Food Science, Journal Year: 2025, Volume and Issue: 90(1)

Published: Jan. 1, 2025

Abstract The purpose of this article is to investigate the effects walnut ( Juglans regia L.) kernel pellicle on composition and properties enzymatic hydrolysis products meal using peptidomics bioinformatics. In study, a total 3423 peptide sequences were identified in peeled protein hydrolysates (PWPH) unpeeled (UWPH). Due presence pellicle, enzyme cleavage sites alkaline proteases precursor proteins altered, resulting differences number length peptides obtained. Principal component analysis indicates significant between PWPH UWPH. Combined with bioinformatics analysis, it was shown that peeling improved release peptides, formed more bioactive reduced allergenicity, water solubility. Seven acetylcholinesterase (AChE) inhibitory activity identified, Val‐Gly‐Ala‐Pro‐Phe‐Asp‐Gly‐Ala (VGAPFDGA) has strongest an IC 50 0.38 ± 0.01 mg/mL. These results confirmed could greatly change hydrolysates, seven novel reported showed AChE activity.

Language: Английский

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Preparation, structural characterization and in vitro digestibility mechanism of walnut oil body emulsion gels based on crosslinking of edible polysaccharide and vanillin

Food Hydrocolloids, Journal Year: 2025, Volume and Issue: 164, P. 111167 - 111167

Published: Feb. 3, 2025

Language: Английский

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