Recent advances on botanical biosynthesis of nanoparticles for catalytic, water treatment and agricultural applications: A review

Nguyen, Ngoan Thi Thao; Nguyen, Luan Minh; Nguyen, Thuy Thi Thanh; Liew, Rock Keey; Nguyen, Duyen Thi Cam; Tran, Thuan Van

doi:10.1016/j.scitotenv.2022.154160

Cited by 82 publications

(23 citation statements)

References 316 publications

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“…Although nanoparticles can be obtained using various physicochemical methods, green synthesis of nanoparticles using natural extracts minimizes the usage of toxic chemicals. 42 Table 3 summarizes the 17 publications on the natural extractive-based nanomaterials for managing dental caries.…”

Section: Discussionmentioning

confidence: 99%

Caries Management with Non-Metallic Nanomaterials: A Systematic Review

Xu¹,

Nizami²,

Yin³

et al. 2022

IJN

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Background Non-metallic nanomaterials do not stain enamel or dentin. Most have better biocompatibility than metallic nanomaterials do for management of dental caries. Objective The objective of this study is to review the types, properties and potential uses of non-metallic nanomaterials systematically for managing dental caries. Methods Two researchers independently performed a literature search of publications in English using PubMed, Scopus and Web of Science. The keywords used were (nanoparticles OR nanocomposites OR nanomaterials) AND (caries OR tooth decay). They screened the titles and abstracts to identify potentially eligible publications of original research reporting non-metallic nanomaterials for caries management. Then, they retrieved and studied the full text of the identified publications for inclusion in this study. Results Out of 2497 resulting publications, this study included 75 of those. The non-metallic nanomaterials used in these publications were categorized as biological organic nanomaterials (n=45), synthetic organic nanomaterials (n=15), carbon-based nanomaterials (n=13) and selenium nanomaterials (n=2). They inhibited bacteria growth and/or promoted remineralization. They could be incorporated in topical agents (29/75, 39%), dental adhesives (11/75, 15%), restorative fillers (4/75, 5%), dental sealant (3/75, 4%), oral drugs (3/75, 4%), toothpastes (2/75, 3%) and functional candies (1/75, 1%). Other publications (22/75, 29%) do not mention specific applications. However, most publications (67/75, 89%) were in vitro studies. Six publications (6/75, 8%) were animal studies, and only two publications (2/75, 3%) were clinical studies. Conclusion The literature showed non-metallic nanomaterials have antibacterial and/or remineralising properties. The most common type of non-metallic nanomaterials for caries management is organic nanomaterials. Non-metallic nanomaterials can be incorporated into dental sealants, toothpaste, dental adhesives, topical agents and even candies and drugs. However, the majority of the publications are in vitro studies, and only two publications are clinical studies.

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Section: Discussionmentioning

confidence: 99%

Caries Management with Non-Metallic Nanomaterials: A Systematic Review

Xu¹,

Nizami²,

Yin³

et al. 2022

IJN

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“…The supplementation of photocatalytic NPs could be a novel approach to enhance the growth of agricultural plants with economic value. In addition, new technological advancements such as green synthesis have shown great potentials of ENPs in sustainable agriculture 7 , 10 , 11 , 70 . However, the use of these photocatalytic NPs must be controlled in a proper level.…”

Section: Discussionmentioning

confidence: 99%

“…TiO 2 NPs are utilized in paint pigments, inks, papers, plastics and cosmetic sunscreens to provide protection against ultraviolet (UV) light 2 , 9 . In addition, natural and engineered TiO 2 NPs have shown their potentials in various antimicrobial and biomedical applications 10 – 20 . As a result, scientific communities have paid extensive attentions to the interactions of TiO 2 NPs with biological entities such as plants 10 , 11 .…”

Section: Introductionmentioning

confidence: 99%

“…In addition, natural and engineered TiO 2 NPs have shown their potentials in various antimicrobial and biomedical applications 10 – 20 . As a result, scientific communities have paid extensive attentions to the interactions of TiO 2 NPs with biological entities such as plants 10 , 11 . Highly sensitive to environmental factors, plants are vital life forms of all ecosystems and play a significant role in trophic transfer and the maintenance of worldwide ecological balance.…”

Section: Introductionmentioning

confidence: 99%

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Exposure to low levels of photocatalytic TiO2 nanoparticles enhances seed germination and seedling growth of amaranth and cruciferous vegetables

Jhou

et al. 2022

Sci Rep

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Titanium dioxide (TiO2) is one of the most common compounds on Earth, and it is used in natural forms or engineered bulks or nanoparticles (NPs) with increasing rates. However, the effect of TiO2 NPs on plants remains controversial. Previous studies demonstrated that TiO2 NPs are toxic to plants, because the photocatalytic property of TiO2 produces biohazardous reactive oxygen species. In contrast, another line of evidence suggested that TiO2 NPs are beneficial to plant growth. To verify this argument, in this study, we used seed germination of amaranth and cruciferous vegetables as a model system. Intriguingly, our data suggested that the controversy was due to the dosage effect. The photocatalytic activity of TiO2 NPs positively affected seed germination and growth through gibberellins in a plant-tolerable range (0.1 and 0.2 mg/cm2), whereas overdosing (1 mg/cm2) induced tissue damage. Given that plants are the foundations of the ecosystem; these findings are useful for agricultural application, sustainable development and maintenance of healthy environments.

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“…The green process of extracting high-value chemicals from agriculture is one of the most successful methods for promoting global sustainable development. − The objective of this study was to extract pineapple peel polyphenols (PPPs) from pineapple peel waste and to use them as natural antibacterial agents. Based on the principles of cleaner production, we have achieved the zero-waste extraction of PPPs on an industrial scale using solvent recovery and concentration procedures.…”

Section: Introductionmentioning

confidence: 99%

High-Value Utilization of Polyphenol Aromatic Antimicrobial Agents Extracted from Pineapple Peel Waste

Zhou

Huma

Tan

2023

ACS Food Sci. Technol.

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Plant polyphenols' antibacterial capabilities are just beginning to be applied in the environment. In this study, solvent recovery and concentration techniques were used to achieve zero-waste extraction of pineapple peel polyphenol (PPP) powder on an industrial scale. For environmental sterilization, PPP antibacterial agents (PAAs) were created. Their physicochemical and antibacterial qualities were examined, and technical and financial analysis was done. The results showed that (1) among the major PPP components, protocatechuic acid content was the highest (48.90 mg/L), followed by quercetin dihydrate (17.56 mg/L); (2) PAA sprays passed the tests for physicochemical properties like pH and heat resistance; (3) at the 8 mg/mL concentration, PAA achieved 100% bacterial inhibition below 40 °C; and (4) the production cost of 8 mg/mL PAA spray was only $273.41/t at 100,000 t industrial scale. These findings might offer an application prospect in the development of renewable bacteriocins from fruit and vegetable waste materials.

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Recent advances on botanical biosynthesis of nanoparticles for catalytic, water treatment and agricultural applications: A review

Cited by 82 publications

References 316 publications

Caries Management with Non-Metallic Nanomaterials: A Systematic Review

Caries Management with Non-Metallic Nanomaterials: A Systematic Review

Exposure to low levels of photocatalytic TiO2 nanoparticles enhances seed germination and seedling growth of amaranth and cruciferous vegetables

High-Value Utilization of Polyphenol Aromatic Antimicrobial Agents Extracted from Pineapple Peel Waste

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