Synthesis, analysis, and multi-faceted applications of solid wastes-derived silica nanoparticles: a comprehensive review (2010–2022)

Malpani, Sakshi Kabra; Goyal, Deepti

doi:10.1007/s11356-022-23873-1

Cited by 11 publications

(6 citation statements)

References 84 publications

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“…In this regard, previous studies have confirmed that SiNPs manufacturing is more crucial than ZnONPs 41 , 42 . In addition, Numerous studies have demonstrated that the production process for SiNPs carries a high level of occupational health risk 43 , 44 . On the other hand, the risk of exposure to ZnO is regarded as low in numerous pieces of research on risk analysis 45 , 46 .…”

Section: Resultsmentioning

confidence: 99%

An integrated approach to occupational health risk assessment of manufacturing nanomaterials using Pythagorean Fuzzy AHP and Fuzzy Inference System

Salari,

Sadeghi-Yarandi,

Golbabaei

2024

Sci Rep

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Nanomaterials (NMs) have the potential to be hazardous owing to their unique physico-chemical properties. Therefore, the need for Health Risk Assessment (HRA) of NMs is expanding. In this study, a novel HRA was developed by the Pythagorean Fuzzy Health Risk Assessment (PFHRA) approach. Risk is considered to be the outcome of parameters including Occurrence Likelihood (OL), Potential Exposure (PE) and Toxic Effects (TE). In our proposed method, priority weights of sub-factors in Pythagorean Fuzzy-Analytical Hierarchical Process (PF-AHP) were determined by pairwise comparison based on expert judgment. After determining parameter scores, both RM and risk class (i.e., negligible, minor, major and critical) were reported as Fuzzy Inference System (FIS) output. Ultimately, a risk management strategy is presented for NMs manufacturing workplaces. This proposed method provides experts with more flexibility to express their opinions. The PFHRA approach was applied for two scenarios. The production scenario for SiNPs can create minor (5%) and major (95%) occupational health risks; the production scenario for ZnONPs can create minor (100%) concerns. However, the production SiNPs and ZnONPs utilizing the CB Nanotool technique had a major and minor risk class, respectively. The results of the present study confirmed the reliability and applicability of this approach.

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Section: Resultsmentioning

confidence: 99%

An integrated approach to occupational health risk assessment of manufacturing nanomaterials using Pythagorean Fuzzy AHP and Fuzzy Inference System

Salari,

Sadeghi-Yarandi,

Golbabaei

2024

Sci Rep

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“…Figure 3a delineates the FTIR spectra of the silica derived from RH through various methods. The RH-T sample exhibits a broad spectral band ranging from 2500 to 3600 cm⁻ 1 , indicative of O-H stretching vibrations in the RH-based silica. This band confirms the hydroxyl groups on the surface of the silica nanoparticles and the water absorption in the samples [24,35].…”

Section: Resultsmentioning

confidence: 99%

“…The presence of these amorphous silica characteristic groups proves that there is an amorphous silica component in all the samples. Additionally, the vibrational peaks around 3400 cm⁻ 1 In Figure 3b, the enhanced FTIR spectra of the RH-S1 and RH-S2 samples are displayed, highlighting their particular absorption peaks. The subtle peak observed between In Figure 3b, the enhanced FTIR spectra of the RH-S1 and RH-S2 samples are displayed, highlighting their particular absorption peaks.…”

Section: Resultsmentioning

confidence: 99%

“…Research into nanoparticles has seen a significant surge since the late 20th century, a development largely facilitated by advancements in techniques like electron microscopy [ 1 ]. Silicon Dioxide Nanoparticles (SiNPs) stand out in this realm, often derived from solid waste, alongside other materials such as carbon-based nanomaterials and metal oxides, including CuO, Ag 2 O, and FeO [ 2 ].…”

Section: Introductionmentioning

confidence: 99%

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confidence: 99%

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A Comparative Study on Rice Husk, as Agricultural Waste, in the Production of Silica Nanoparticles via Different Methods

Yuan,

Hou,

Liu

et al. 2024

Materials

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This study explores the conversion of agricultural waste into valuable industrial precursors, specifically focusing on the production of silica nanoparticles from rice husk (RH) via calcination and sol–gel processes. The synthesized particles underwent detailed analysis to assess their chemical composition, structural features, morphological characteristics, and size distribution. This comparative analysis evaluates the effectiveness of various methods in generating silica from RH and examines the impact of different drying techniques, including freeze-drying and conventional thermal drying, on the properties of the resulting silica nanoparticles. Utilizing a combination of sol–gel and freeze-drying techniques produced spherical nanoparticles with diameters of 10 to 20 nm, characterized by size uniformity, clear contours, and minimal aggregation. X-ray diffraction (XRD) analysis identified the amorphous nature of the silica, as evidenced by diffraction peaks typical of amorphous silica in the RH-derived samples processed via different methods. Significantly, the XRD patterns of the calcination-derived silica showed no foreign peaks, indicating a purer amorphous state. The findings of this study are anticipated to contribute to the development of innovative and efficient silica nanomaterials, fostering the sustainable use of agricultural waste.

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A Review on Agricultural Wastes–Based Green Metal and Metal Oxide Nanoparticles

Malpani,

Hada,

Goyal

2024

Biogenic Wastes-Enabled Nanomaterial Synthesis

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Synthesis, analysis, and multi-faceted applications of solid wastes-derived silica nanoparticles: a comprehensive review (2010–2022)

Cited by 11 publications

References 84 publications

An integrated approach to occupational health risk assessment of manufacturing nanomaterials using Pythagorean Fuzzy AHP and Fuzzy Inference System

An integrated approach to occupational health risk assessment of manufacturing nanomaterials using Pythagorean Fuzzy AHP and Fuzzy Inference System

A Comparative Study on Rice Husk, as Agricultural Waste, in the Production of Silica Nanoparticles via Different Methods

A Review on Agricultural Wastes–Based Green Metal and Metal Oxide Nanoparticles

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