Microtube Dna Collection
Microtube Dna Collection - Related Videos
06:58
Collection and Extraction of Saliva DNA for Next Generation Sequencing
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Cited by 45 •
2014
DNA extraction from saliva can provide a readily available source of high molecular weight DNA, with little to no degradation/fragmentation. This protocol provides optimized parameters for saliva collection/storage and DNA extraction to be of sufficient quality and quantity for downstream DNA assays with high quality requirements.
07:40
Avian Semen Collection by Cloacal Massage and Isolation of DNA from Sperm
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Cited by 21 •
2018
This protocol describes cloacal massage, a non-invasive manual technique for collecting semen from birds, and DNA extraction from avian sperm using a commercial extraction kit with modifications.
10:43
A Practical and Novel Method to Extract Genomic DNA from Blood Collection Kits for Plasma Protein Preservation
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Cited by 4 •
2013
We are describing a new method of isolating genomic DNA from whole blood collected for plasma/serology. After plasma collection, the compacted blood is usually discarded. Our novel method represents a significant improvement over existing methods and makes DNA and plasma available from a single collection, without requesting additional blood.
12:02
Collection and Extraction of Occupational Air Samples for Analysis of Fungal DNA
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Cited by 2 •
2018
Determining the fungal diversity within an environment is a method utilized in occupational health studies to identify health hazards. This protocol describes DNA extraction from occupational air samples for amplification and sequencing of fungal ITS regions. This approach detects many fungal species that can be overlooked by traditional assessment methods.
05:29
3D DNA FISH: A Technique to Locate a Specific Gene on a Chromosome
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2023
Circulating tumor cells (CTC) isolation and characterization from the blood of cancer patients is a type of non-invasive liquid biopsy and associated with relapse and disease progression. This video describes the technique of DNA fluorescence-in-situ-hybridization (DNA FISH) on CTCs captured on a medical wire, to study a specific gene of interest.
FAQs
Sterile handling reduces the chance that foreign biological material will enter the specimen and interfere with later analysis. Contamination can compromise the reliability of DNA extraction, amplification, sequencing, or genotyping results. Using a sterile microtube and careful transfer practices therefore helps ensure that the genetic material analyzed represents the collected sample rather than unintended material introduced during collection.
Accurate labeling links each microtube to its biological source and collection record. This traceability helps researchers distinguish samples, follow them during transport or storage, and connect analytical results to the correct specimen. Without clear identification, even DNA with good integrity may be difficult to interpret confidently, especially when multiple samples are processed in the same biological study.
Appropriate storage conditions help maintain DNA integrity between collection and analysis. The selected conditions should limit degradation and preserve a stable sample until procedures such as extraction, amplification, sequencing, or genotyping occur. Consistent storage is particularly important when samples must be transported, retained for later testing, or compared across different stages of a biology experiment.
Careful transfer into a small microtube helps retain enough DNA-containing material for subsequent laboratory procedures. Preventing loss supports more consistent preparation for extraction and reduces the risk that a sample will be insufficient for amplification, sequencing, or genotyping. This is especially relevant when the original biological specimen is limited or cannot be collected again.
A basic workflow includes obtaining the DNA-containing specimen, transferring it into a sterile microtube, labeling the tube accurately, and placing it under appropriate storage conditions. Handling should minimize contamination and sample loss throughout the process. These steps create a traceable specimen that can be transported or prepared for later genetic analysis without compromising its intended identity.
A properly collected and stored sample can support several downstream procedures, including DNA extraction, amplification, sequencing, and genotyping. Collection quality affects whether the material remains suitable for these analyses. The method therefore functions as an early quality-control stage in a workflow, preserving the specimen before laboratory methods generate genetic information or comparative results.
This approach supports genetics research, molecular diagnostics, environmental sampling, and teaching laboratories. Its value extends beyond storage because consistent collection allows specimens to be identified, transported, and analyzed in an organized manner. In educational settings, it can also support demonstrations of how biological samples move from collection through preservation to subsequent molecular analysis.