Controlling Arsenic Accumulation in Rice Grain under Nanomaterials-Assisted Optimal Greenhouse Set-Up

Rice is being increasingly exposed to inorganic arsenic and this affects half of the world population because they are rice consumers. In this study, pot experiments were carried out to investigate the effect of two dose-dependent nanomaterials (silica and graphene) treatment on varied arsenic level...

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Bibliographic Details
Published in:Sustainability 2023-02, Vol.15 (3), p.2633
Main Authors: Uda, Muhammad Nur Aiman, Gopinath, Subash C. B, Hashim, Uda, Uda, Muhammad Nur Afnan, Adam, Tijjani, Parmin, Nor Azizah, Subramaniam, Sreeramanan, Chinni, Suresh V, Lebaka, Veeranjaneya Reddy, Gobinath, Ramachawolran
Format: Article
Language:English
Subjects:
Accumulation
Adsorbents
Adsorption
Agricultural industry
Agricultural research
Agriculture
Analysis
Arsenic
Climate change
Graphene
Health aspects
Health risks
Heavy metal content
Heavy metals
Inductively coupled plasma mass spectrometry
Marketing research
Mass spectrometry
Mass spectroscopy
Nanomaterials
Nanoparticles
Nanostructured materials
Nanotechnology
Nutrients
Rice
Silica
World population
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Summary:Rice is being increasingly exposed to inorganic arsenic and this affects half of the world population because they are rice consumers. In this study, pot experiments were carried out to investigate the effect of two dose-dependent nanomaterials (silica and graphene) treatment on varied arsenic levels (2, 7 and 12 mg/kg). The results showed that both nanomaterials were affected significantly with 1 mg/mL of nanomaterial. Arsenic adversely affected the plant height, tillering, number of grains, and grain weight and when high concentrations of arsenic were applied at 12 mg/kg, the plant could not withstand it and died before 75 days even in the presence of graphene. Based on inductively coupled plasma mass spectrometry analysis, silica nanoparticles showed the highest inhibition on the total accumulation of arsenic as 93% (control plant), 84% (2 mg/kg), 67% (7 mg/kg) to 35 % (12 mg/kg), whereas graphene showed lower inhibition percentages. This outcome confirms that silica nanoparticles prevent arsenic uptake, because they translocate from the root to the grains and are able to offer a promising way to reduce consumer health risk.
ISSN:2071-1050
2071-1050
DOI:10.3390/su15032633