Seed Sterilization Method
Seed Sterilization Method - Related Videos
08:13
Standardized Method for High-throughput Sterilization of Arabidopsis Seeds
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Cited by 143 •
2017
The objective of this study was to determine the effects of bleach and chlorine gas sterilization on seed germination of a range of Arabidopsis genotypes grown on sterile media. Optimized sterilization protocols have been developed to prevent the growth of microbial contaminants while providing satisfactory seed survival.
07:28
High-throughput, Robust and Highly Time-flexible Method for Surface Sterilization of Arabidopsis Seeds
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Cited by 2 •
2021
A high-throughput protocol for the surface sterilization of Arabidopsisthaliana (Arabidopsis) seeds is provided, optimizing the liquid handling steps with a simple suction device constructed with a vacuum pump. Hundreds of seed samples can be surface-sterilized in one day.
01:30
Methods of Sterilization II: Chemical Methods
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2023
In healthcare, the chemical method of sterilization uses chemical sterilants to treat surgical instruments and medical supplies to help prevent the transmission of infectious pathogens to patients. Due to heat sensitivity, most medical supplies and equipment should not be exposed to high temperatures. These parts include rubber, plastic, glass, and other similar elements. Using chemical sterilization rather than heat to clean out equipment is recommended. It eradicates and removes all bacteria,...
01:29
Methods of Sterilization I: Physical Methods
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2025
As used in a healthcare facility, sterilization destroys all microorganisms through physical or chemical methods. The physical method includes steam, dry heat, boiling water, and radiation. Steam sterilization uses non-toxic, low-cost moist heat in the form of saturated steam under pressure, which is fast, microbicidal, and sporicidal, and quickly warms and penetrates fabrics. Autoclaves, or steam sterilizers, expose each item to direct steam contact for a predetermined time at the necessary...
12:39
Gold Nanostar Synthesis with a Silver Seed Mediated Growth Method
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Cited by 28 •
2012
We synthesized star shaped gold nanostars using a silver seed mediated growth method. The diameter of the nanostars ranges from 200 to 300 nm and the number of tips vary from 7 to 10. The nanoparticles have a broad surface plasmon resonance mode centered in the near infrared.
FAQs
Each stage contributes a different part of the decontamination sequence. Washing with a surfactant helps remove material from the seed coat, while brief ethanol exposure and an oxidizing disinfectant such as sodium hypochlorite reduce remaining microorganisms. Using these treatments together supports more consistent microbial control than relying on a single stage alone.
The treatment must reduce contamination without substantially impairing the seed’s ability to germinate and develop in culture. Inadequate treatment can leave microorganisms that disrupt experiments, whereas overly damaging conditions may reduce viability. Maintaining this balance is therefore essential for obtaining usable biological material and dependable downstream culture results.
Sterile-water rinses remove residual ethanol, sodium hypochlorite, and other treatment chemicals from the seed surface. This step helps prevent remaining disinfectants from interfering with germination or later culture processes. It also maintains the aseptic conditions needed to distinguish plant responses from effects associated with chemical residues or unwanted microorganisms.
A typical workflow begins with washing in the presence of a surfactant, followed by brief ethanol exposure and treatment with an oxidizing disinfectant such as sodium hypochlorite. The seeds are then rinsed with sterile water to remove residual chemicals before transfer to laboratory culture. This ordered sequence supports both decontamination and subsequent handling.
A useful outcome is aseptic germination or culture with limited microbial growth, allowing the plant material to remain available for experimentation. Consistent results also reduce losses caused by contamination and make biological observations easier to interpret. In this way, culture reliability becomes an important practical indicator of successful preparation.
It is particularly relevant before plant tissue culture, genetic transformation, and propagation of engineered lines. These workflows depend on maintaining cultures in conditions where unwanted microorganisms do not obscure plant responses or interfere with recovery. Surface decontamination therefore supports both the handling of starting seeds and the interpretation of results from engineered plant material.