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Arjunan N, Thiruvengadam V, Sushil SN. Nanoparticle-mediated dsRNA delivery for precision insect pest control: a comprehensive review. Mol Biol Rep 2024; 51:355. [PMID: 38400844 DOI: 10.1007/s11033-023-09187-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 12/19/2023] [Indexed: 02/26/2024]
Abstract
Nanoparticle-based delivery systems have emerged as powerful tools in the field of pest management, offering precise and effective means of delivering double-stranded RNA (dsRNA), a potent agent for pest control through RNA interference (RNAi). This comprehensive review aims to evaluate and compare various types of nanoparticles for their suitability in dsRNA delivery for pest management applications. The review begins by examining the unique properties and advantages of different nanoparticle materials, including clay, chitosan, liposomes, carbon, gold and silica. Each material's ability to protect dsRNA from degradation and its potential for targeted delivery to pests are assessed. Furthermore, this review delves into the surface modification strategies employed to enhance dsRNA delivery efficiency. Functionalization with oligonucleotides, lipids, polymers, proteins and peptides is discussed in detail, highlighting their role in improving stability, cellular uptake, and specificity of dsRNA delivery.This review also provides valuable guidance on choosing the most suitable nanoparticle-based system for delivering dsRNA effectively and sustainably in pest management. Moreover, it identifies existing knowledge gaps and proposes potential research directions aimed at enhancing pest control strategies through the utilization of nanoparticles and dsRNA.
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Affiliation(s)
- Nareshkumar Arjunan
- Division of Molecular Entomology, Department of Zoology, School of Life Sciences, Periyar University, Salem, 636011, India.
| | - Venkatesan Thiruvengadam
- Division of Genomic Resources, ICAR-National Bureau of Agricultural Insect Resources, H.A. Farm Post, Hebbal, P.B. No. 2491, Bangalore, 560024, India.
| | - S N Sushil
- Division of Genomic Resources, ICAR-National Bureau of Agricultural Insect Resources, H.A. Farm Post, Hebbal, P.B. No. 2491, Bangalore, 560024, India
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Deachophon A, Bovornratanaraks T, Poompradub S. Modified silica-based double-layered hydrophobic-coated stainless steel mesh and its application for oil/seawater separation. Sci Rep 2024; 14:731. [PMID: 38184703 PMCID: PMC10771502 DOI: 10.1038/s41598-024-51264-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 01/03/2024] [Indexed: 01/08/2024] Open
Abstract
A double-layered hydrophobic-coated stainless steel mesh (CSSM) was successfully prepared by vapor deposition of polydimethylsiloxane (PDMS) to form aerosol silica (SiO2) particles on SSM followed by coating with the in situ modified SiO2 generated in the natural rubber (NR) latex for use in oil/seawater separation. The in situ SiO2 particles were modified with octyltriethoxysilane (OTES) or hexadecyltrimethoxysilane (HDTMS). Transmission electron microscopy, 29Si solid-state nuclear magnetic resonance, and Fourier transform infrared spectroscopy were used to determine the structure of the in situ modified SiO2 generated in the NR latex. Scanning electron microscopy and water contact angle analyses were applied to characterize the morphology and hydrophobicity of the CSSM, respectively. The presence of aerosol SiO2 particles from PDMS and in situ modified SiO2 by OTES (MSi-O) or HDTMS (MSi-H) generated in the NR could enhance the surface roughness and hydrophobicity of the CSSM. The hydrophobic CSSM was then applied for the separation of chloroform/seawater and crude oil/seawater mixtures. A high separation efficiency (up to 99.3%) with the PDMS/NR/MSi-H CSSM was obtained and the mesh was reusable for up to 20 cycles.
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Affiliation(s)
- Aunchalee Deachophon
- Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Phatumwan, Bangkok, 10330, Thailand
| | - Thiti Bovornratanaraks
- Department of Physics, Faculty of Science, Chulalongkorn University, Phatumwan, Bangkok, 10330, Thailand
| | - Sirilux Poompradub
- Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Phatumwan, Bangkok, 10330, Thailand.
- Center of Excellent in Green Materials for Industrial Application, Faculty of Science, Chulalongkorn University, Phatumwan, Bangkok, 10330, Thailand.
- Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, Pathumwan, Bangkok, 10330, Thailand.
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Tran TLC, Guirguis A, Jeyachandran T, Wang Y, Cahill DM. Mesoporous silica nanoparticle-induced drought tolerance in Arabidopsis thaliana grown under in vitro conditions. FUNCTIONAL PLANT BIOLOGY : FPB 2023; 50:889-900. [PMID: 37055916 DOI: 10.1071/fp22274] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
Nanoparticles of varying formats and functionalities have been shown to modify and enhance plant growth and development. Nanoparticles may also be used to improve crop production and performance, particularly under adverse environmental conditions such as drought. Nanoparticles composed of silicon dioxide, especially those that are mesoporous (mesoporous silica nanoparticles; MSNs), have been shown to be taken up by plants; yet their potential to improve tolerance to abiotic stress has not been thoroughly examined. In this study, a range of concentrations of MSNs (0-5000mgL-1 ) were used to determine their effects, in vitro , on Arabidopsis plants grown under polyethylene glycol (PEG)-simulated drought conditions. Treatment of seeds with MSNs during PEG-simulated drought resulted in higher seed germination and then greater primary root length. However, at the highest tested concentration of 5000mgL-1 , reduced germination was found when seeds were subjected to drought stress. At the optimal concentration of 1500mgL-1 , plants treated with MSNs under non-stressed conditions showed significant increases in root length, number of lateral roots, leaf area and shoot biomass. These findings suggest that MSNs can be used to stimulate plant growth and drought stress tolerance.
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Affiliation(s)
- Thi Linh Chi Tran
- Deakin University, School of Life and Environmental Sciences, Waurn Ponds, Vic. 3216, Australia
| | - Albert Guirguis
- Deakin University, School of Life and Environmental Sciences, Waurn Ponds, Vic. 3216, Australia
| | - Thanojan Jeyachandran
- Deakin University, Institute for Frontier Materials, Waurn Ponds, Vic. 3216, Australia
| | - Yichao Wang
- Deakin University, School of Life and Environmental Sciences, Waurn Ponds, Vic. 3216, Australia
| | - David M Cahill
- Deakin University, School of Life and Environmental Sciences, Waurn Ponds, Vic. 3216, Australia
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Chang JH, Pyo CE. Effects of Hydrophobic Modification of Linear- and Branch-Structured Fluorinated and Nonfluorinated Silanes on Mesoporous Silica Particles. ACS OMEGA 2022; 7:26661-26669. [PMID: 35936434 PMCID: PMC9352212 DOI: 10.1021/acsomega.2c02918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
This work reports a comparison of hydrophobic surface modification on mesoporous silica particles (MSPs) obtained by large-scale production using a batch reactor with linear and branched fluorinated and nonfluorinated silanes. Fluorinated silanes were used with TDF-TMOS and TFP-TMOS as a linear and branched structure, respectively. Nonfluorinated silanes were used with OD-TEOS and HMDS as a linear and branched structure, respectively. These four silanes were grafted on the surface of the MSPs as the function of the concentrations, and then, the water contact angles (WCAs) were measured. The WCA of the four silane-grafted MSPs was higher in the branch-structured silanes, namely, TFP-TMOS@MSPs and HMDS@MSPs than in linear-structured silanes, namely, TDF-TMOS and OD-TEOS due to the higher hydrophobicity by a lot of -F and -CH3 groups. Furthermore, the relationship between the WCA and BET parameters was demonstrated using the surface areas, pore volumes, and grafted amounts of the four silane-grafted MSPs. The structural characterization was demonstrated by solid-state 29Si MAS NMR to determine the bonding environment of Si atoms between the grafted silane and the surfaces of MSPs using the T 3/T 2 and Q 3/Q 4 ratios of the fluorinated and nonfluorinated silane-grafted MSPs. Among the four silanes, nonfluorinated HMDS@MSPs had a high contact angle of 135° as fluorinated TFP-TMOS@MSPs. When 5 wt % of HMDS@MSPs mixed with gravure ink was coated on a biodegradable polylactic acid (PLA) film, the contact angle was improved to 131.8 from 83.3° of the natural PLA film.
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Xiao S, Shoaib A, Xu J, Lin D. Mesoporous silica size, charge, and hydrophobicity affect the loading and releasing performance of lambda-cyhalothrin. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 831:154914. [PMID: 35364147 DOI: 10.1016/j.scitotenv.2022.154914] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/11/2022] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
Nanopesticides are attracting increasing attention as a promising technology in agriculture to improve insecticidal efficacy, decrease pesticides uses, and reduce potential environmental impacts. We synthesized mesoporous silica nanoparticles, i.e., Mobil Composition of Matter No.48 (MCM-48), with different sizes (63-130 nm), charges (-22 to 12 mV), and hydrophobicity (water contact angle 29-103°) to assess their loading amount and release of a typical poorly soluble halogenated pyrethroid (i.e., lambda-cyhalothrin particles, LCNS). The smallest MCM-48 displayed relatively higher loading amount of LCNS (~16%) compared to the larger MCM-48 nanoparticles, likely because of its higher pore volume (1.46 cm3 g-1) and pore size (3.56 nm). LCNS loading amount was further improved to ~26% and ~36% after -NH2 (positively charged) and -CH3 (hydrophobic) functionalization, respectively, probably due to hydrogen bonding, electrostatic, and hydrophobic interactions with LCNS. Loading LCNS in MCM-48 nanoparticles also significantly improved its dispersion in water and ultraviolet (UV) light stability, with a 3-7 times longer half-life than that of free LCNS. Although the -NH2 and -CH3 modifications of MCM-48 slightly decreased the UV stability of LCNS, they significantly decreased the release efficiency of LCNS, possibly because of their stronger interactions with LCNS. In addition, the insecticidal effects of LCNS-loaded MCM-48 were more efficient and longer than those of free LCNS. The findings clarify the relationships between physicochemical properties and performance of mesoporous silica nanoparticles, and will inform the rational design of materials for controlled release of pesticides and sustainable control of pests.
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Affiliation(s)
- Shuting Xiao
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Ali Shoaib
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China
| | - Jiang Xu
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Zhejiang University, Hangzhou 310058, China.
| | - Daohui Lin
- Department of Environmental Science, Zhejiang University, Hangzhou 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Zhejiang University, Hangzhou 310058, China
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