Plant Sample Preparation
Plant Sample Preparation - Related Videos
06:38
Plant Sample Preparation for Nucleoside/Nucleotide Content Measurement with An HPLC-MS/MS
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Cited by 3 •
2021
A precise and reproducible method for in vivo nucleosides/nucleotides quantification in plants is described here. This method employs an HPLC-MS/MS.
11:00
Genotyping of Plant and Animal Samples without Prior DNA Purification
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Cited by 14 •
2012
The Direct PCR approach presented here facilitates PCR amplification directly from small amounts of unpurified plant and animal tissue.
09:51
Sample Preparation for Analytical Characterization
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2023
Source: Laboratory of Dr. B. Jill Venton - University of Virginia Sample preparation is the way in which a sample is treated to prepare for analysis. Careful sample preparation is critical in analytical chemistry to accurately generate either a standard or unknown sample for a chemical measurement. Errors in analytical chemistry methods are categorized as random or systematic. Random errors are errors due to change and are often due to noise in instrument. Systematic errors are due to...
08:44
Microplot Design and Plant and Soil Sample Preparation for 15Nitrogen Analysis
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Cited by 2 •
2020
A microplot design for 15N tracer research is described to accommodate multiple in-season plant and soil sampling events. Soil and plant sample collection and processing procedures, including grinding and weighing protocols, for 15N analysis are put forth.
09:08
A Fast Air-dry Dropping Chromosome Preparation Method Suitable for FISH in Plants
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Cited by 43 •
2015
A protocol is described for the preparation of high-quality mitotic plant chromosome spreads by a fast air-dry dropping method suitable for the FISH detection of single and high copy DNA probes.
FAQs
The biological question determines which tissue is selected and how it is handled. Different analyses may require plant material chosen for molecular measurements, biochemical assays, microscopy, or physiological studies. Matching the tissue to the objective helps ensure that the measured signal reflects the process under investigation rather than differences introduced during sampling.
Removing contaminants prevents unwanted material from affecting downstream measurements, while cutting or grinding makes the sample more uniform. Homogenization also helps expose cellular material for subsequent extraction or examination. Together, these steps improve consistency across samples and support more reliable analysis of DNA, RNA, proteins, metabolites, or tissue structures.
Cooling, drying, and chemical treatment provide different preservation options for maintaining cellular components before analysis. The suitable choice depends on the intended measurement and the material being studied. Proper preservation helps protect sample integrity so that later extraction, microscopy, molecular analysis, or biochemical measurement more accurately represents the original plant tissue.
These targets differ in the type of sample condition required for meaningful measurement. A preparation suitable for examining tissue structure may not be appropriate for extracting a molecular component, and the reverse can also apply. Aligning processing and preservation with the target reduces incompatibility and improves the interpretability of biological results.
A workflow generally includes selecting the relevant tissue, collecting it carefully, removing contaminants, and processing it by cutting or grinding. Researchers then preserve the material through cooling, drying, or chemical treatment as appropriate for the planned analysis. This sequence creates a sample suitable for extraction, microscopy, biochemical testing, or physiological measurement.
Prepared samples can support measurements of DNA, RNA, proteins, metabolites, and tissue structures. They may reveal molecular or biochemical differences, cellular organization, or physiological changes, depending on the analytical method. Because preparation affects sample integrity and consistency, it also influences how confidently researchers can compare measurements among plant samples.
It is particularly important when studying plant development, responses to environmental conditions, disease processes, or cellular function. These investigations often require comparisons among tissues or experimental samples, making consistent collection and processing essential. Appropriate preparation allows microscopy, molecular, biochemical, and physiological analyses to produce results that can be compared across the study.