Green Silver Nanoparticle Synthesis via Larval Gut Extract
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Solution Overview
Problem
Current nanoparticle synthesis methods are costly and produce harmful by-products, and green methods using plant extracts face challenges in controlled delivery and variable activities of nanoparticles.
Innovation Solution
Synthesis of Rhynchophorus ferrugineus silver nanoparticles using an aqueous larval gut extract and silver nitrate, resulting in nanoparticles with a particle size ranging from 45 nm to 90 nm, which can be used as antibacterial agents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional synthesis methods (physicochemical, thermal decomposition, electrochemical, etc.) are used to produce nanoparticles, then nanoparticles can be synthesized, but the methods are costly and produce harmful by-products that pose increased risks to human health and the environment
Solution Approach 1:
The patent converts the harmful conventional synthesis methods into beneficial green chemistry approaches by using plant-based extracts (Rhynchophorus ferrugineus larval gut extract) as reducing agents. This transforms the problem of harmful by-products into a solution where natural biochemical compounds facilitate nanoparticle synthesis without toxic waste, aligning with the blessing in disguise principle of converting harmful factors into beneficial effects.
Solution Approach 2:
The patent changes the chemical parameters of the synthesis process by replacing conventional chemical reducing agents with biological extracts containing specific biochemical compounds. This parameter change from synthetic chemicals to natural biochemical substances fundamentally alters the synthesis outcome, eliminating harmful by-products while maintaining nanoparticle production capability.
2Object-affected harmful factors
If green methods using plant extracts are used to prepare nanoparticles, then the methods are safer, faster, environmentally friendly, and economical, but the activities and characteristics of the nanoparticles vary significantly depending upon the detailed method of synthesis and specific plant extract used
Solution Approach 1:
The patent applies local quality by focusing on a specific localized source (Rhynchophorus ferrugineus larval gut extract) with defined biochemical composition. This localized approach ensures consistent nanoparticle characteristics by using a standardized biological source with known chemical properties, rather than varying plant extracts, thereby improving reliability while maintaining green chemistry benefits.
Solution Approach 2:
The patent employs self-service by utilizing the larval gut extract's inherent biochemical compounds to automatically reduce silver ions and form nanoparticles. The biological system performs the reduction function naturally, eliminating the need for external chemical reducing agents and ensuring consistent, reproducible nanoparticle synthesis with reliable activity.
3Object-affected harmful factors
If green methods using plant extracts are used to prepare nanoparticles, then the methods are safer, faster, environmentally friendly, and economical, but the therapeutic potential of plant extracts has been compromised due to the lack of controlled delivery of an effective dose to the desired target site
Solution Approach 1:
The patent extracts the active nanoparticle-forming function from the complex plant extract system and isolates it into a controlled synthesis process. By extracting the essential reducing activity from the larval gut extract and applying it specifically to silver ion reduction, the patent achieves controlled delivery of nanoparticles with effective doses, separating the beneficial nanoparticle formation from the complexity of delivering entire plant extracts.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The nanoparticles effectively inhibit bacterial growth, including multi-drug resistant pathogens, and are administered through a pharmaceutical composition for targeted delivery.
Implementation Method 1
mixing an aqueous larval gut extract from Rhynchophorus ferrugineus with silver nitrate to obtain aqueous Rhynchophorus ferrugineus silver nanoparticles
Implementation Method 2
drying the aqueous Rhynchophorus ferrugineus silver nanoparticles to obtain the Rhynchophorus ferrugineus silver nanoparticles
Data Source
AI summary
Rhynchophorus ferrugineus silver nanoparticles can be synthesized by mixing an aqueous larval gut extract of Rhynchophorus ferrugineus with an equal proportion of silver nitrate to provide a solution including Rhynchophorus ferrugineus silver nanoparticles. The Rhynchophorus ferrugineus silver nanoparticles can be useful as antibacterial agents.