Valorization of Vaccinium corymbosum waste from the extraction of bioactive compounds: Nanoparticles synthesis and applications

Q1 Environmental Science

Environmental Nanotechnology, Monitoring and Management Pub Date : 2024-09-29 DOI:10.1016/j.enmm.2024.101011

Cristina Espinoza-Tongo , David Asmat-Campos , Heber Robles-Castillo , Noemi Raquel-Checca

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Abstract

This study presents the biogenic synthesis of silver nanoparticles (Ag NPs), zinc oxide nanoparticles (ZnO NPs), and iron oxide nanoparticles (FeO NPs) using V. corymbosum extracts as a reducing agent, varying the ultrasound extraction times (t1 = 20 min, t2 = 15 min, t3 = 10 min). Ag NPs exhibited an antimicrobial efficiency of 98.2 %, being most effective with t2 due to their smaller size. ZnO NPs demonstrated the best thermal stability with t1, and FeO NPs showed optimal magnetic properties with t3. The reduction of methylene blue by ZnO and FeO NPs was significant, with ZnO-t1 and FeO-t3 standing out. The nanoparticles exhibited distinctive optical characteristics and adequate morphology, depending on the extraction time. This work highlights the feasibility of using natural extracts to synthesize nanoparticles, promoting sustainable methods in nanoscience and nanotechnology. Future research should focus on the functionalization of NPs to expand their applications.

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从提取生物活性化合物中实现越橘废弃物的价值：纳米颗粒的合成与应用

本研究以V. corymbosum提取物为还原剂，改变超声提取时间（t1 = 20分钟，t2 = 15分钟，t3 = 10分钟），生物合成了银纳米粒子（Ag NPs）、氧化锌纳米粒子（ZnO NPs）和氧化铁纳米粒子（FeO NPs）。Ag NPs 的抗菌效率为 98.2%，由于其尺寸较小，在 t2 时效果最好。ZnO NPs 在 t1 条件下表现出最佳的热稳定性，而 FeO NPs 在 t3 条件下表现出最佳的磁性。ZnO 和 FeO 纳米粒子对亚甲基蓝的还原效果显著，其中 ZnO-t1 和 FeO-t3 尤为突出。根据萃取时间的不同，纳米粒子表现出独特的光学特性和适当的形态。这项工作凸显了利用天然提取物合成纳米粒子的可行性，促进了纳米科学和纳米技术的可持续发展。未来的研究应侧重于纳米粒子的功能化，以扩大其应用范围。

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来源期刊

Environmental Nanotechnology, Monitoring and Management Environmental Science-Water Science and Technology

CiteScore

13.00

自引率

0.00%

发文量

132

审稿时长

48 days

期刊介绍： Environmental Nanotechnology, Monitoring and Management is a journal devoted to the publication of peer reviewed original research on environmental nanotechnologies, monitoring studies and management for water, soil , waste and human health samples. Critical review articles, short communications and scientific policy briefs are also welcome. The journal will include all environmental matrices except air. Nanomaterials were suggested as efficient cost-effective and environmental friendly alternative to existing treatment materials, from the standpoints of both resource conservation and environmental remediation. The journal aims to receive papers in the field of nanotechnology covering; Developments of new nanosorbents for: •Groundwater, drinking water and wastewater treatment •Remediation of contaminated sites •Assessment of novel nanotechnologies including sustainability and life cycle implications Monitoring and Management papers should cover the fields of: •Novel analytical methods applied to environmental and health samples •Fate and transport of pollutants in the environment •Case studies covering environmental monitoring and public health •Water and soil prevention and legislation •Industrial and hazardous waste- legislation, characterisation, management practices, minimization, treatment and disposal •Environmental management and remediation