Desert Truffle Extract Synthesis of Silver Nanoparticles
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Solution Overview
Problem
Current methods for synthesizing metal nanoparticles, such as silver nanoparticles, often rely on chemical reagents that pollute the environment and are not eco-friendly, whereas green biological methods using plant extracts are more desirable but limited in scope, necessitating a method for producing silver nanoparticles using desert truffles as a reducing agent.
Innovation Solution
A method involving the combination of an aqueous metal salt solution, specifically silver nitrate, with an extract of desert truffles (Terfeziaceae) to produce silver nanoparticles with a mean diameter ranging from 5 nm to 100 nm, which are effective as antimicrobial and anti-parasitic agents, utilizing a green, cost-effective, and scalable process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If chemical reduction methods are used to synthesize metal nanoparticles, then manufacturing precision and productivity are improved, but environmental pollution increases due to harmful reagents
Solution Approach 1:
The patent uses plant extracts as intermediary reducing agents instead of direct chemical reagents. The plant extract contains natural phytochemicals that act as mediators to reduce metal ions to nanoparticles, eliminating the need for harsh chemical reducing agents while maintaining synthesis efficiency
Solution Approach 2:
The patent converts potentially harmful chemical reduction processes into beneficial green synthesis by using biodegradable plant extracts. The organic compounds in plant extracts that would normally be considered waste or harmful substances are utilized as effective reducing agents, transforming environmental liabilities into synthesis advantages
2Object-affected harmful factors
If green biological methods using plant extracts are used, then environmental friendliness is improved, but the scope and variety of available methods are limited
Solution Approach 1:
The patent demonstrates universality by showing that plant extracts can serve multiple functions: they act as reducing agents, capping agents, and stabilizing agents simultaneously. This multi-functionality expands the versatility of green synthesis methods, allowing a single biological extract to perform multiple roles in nanoparticle synthesis
Solution Approach 2:
The patent utilizes parameter changes by varying the plant extract source, metal salt concentration, pH, and temperature to optimize synthesis conditions for different nanoparticle types. This approach expands the adaptability of green methods across various metal nanoparticles while maintaining environmental benefits
3Stability of the object's composition
If surface passivator reagents are used to prevent nanoparticle aggregation, then nanoparticle stability is improved, but environmental pollution increases
Solution Approach 1:
The patent applies self-service by using the plant extract itself to provide both reduction and surface passivation functions. The phytochemicals in the extract naturally cap the nanoparticle surfaces, preventing aggregation without requiring additional synthetic passivators, thereby eliminating harmful substances while maintaining stability
Solution Approach 2:
The patent merges the functions of reduction and surface passivation into a single step using plant extracts. Instead of separate reduction and stabilization processes requiring different chemicals, the plant extract performs both functions simultaneously, reducing the need for harmful surface passivators
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
This method yields silver nanoparticles that are environmentally friendly, cost-effective, and effective as antimicrobial and anti-parasitic agents, with demonstrated efficacy against various bacterial strains and parasites, showcasing a scalable and sustainable synthesis approach.
Implementation Method 1
synthesis of silver nanoparticles using desert truffles (Terfeziaceae) as a reducing agent
Data Source
AI summary
A method of preparing metal nanoparticles using an extract of desert truffles (Terfeziaceae) includes providing an aqueous solution including a metal salt; and combining an extract of Terfeziaceae with the aqueous metal salt solution to produce the metal nanoparticles. The metal salt can be silver nitrate (AgNO3) and the metal nanoparticles can be silver nanoparticles. The metal nanoparticles can have a mean diameter in the range of from about 5 nm to about 100 nm. The silver nanoparticles can be used as an antimicrobial agent and/or an anti-parasitic agent.