Blood Sample Storage
Blood Sample Storage - Related Videos
08:44
Dried Blood and Serum Spots As A Useful Tool for Sample Storage to Evaluate Cancer Biomarkers
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Cited by 9 •
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This protocol describes a simple and useful method to store peripheral blood and serum/plasma for downstream analyses such as single nucleotide polymorphism (SNP) evaluation and ELISA assay.
05:47
Do-It-Yourself Device for Recovery of Cryopreserved Samples Accidentally Dropped into Cryogenic Storage Tanks
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2012
Here we present a low cost, durable cryotolerant device for sample retrieval from Dewar tanks filled with liquid nitrogen. The ease of construction and modular design of the device makes the process of sample retrieval from cryogenic tanks safe and easy.
01:23
Storage
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2025
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze each...
07:11
Sampling Blood from the Lateral Tail Vein of the Rat
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Cited by 82 •
2015
Blood samples are useful for assessing biomarkers of physiological states or disease in vivo. Here we describe the methodology to sample blood from the lateral tail vein in the rat. This method provides rapid samples with minimal pain and invasiveness.
08:07
Sample Preparation for Single Cell Mass Spectrometry Metabolomics Studies: Combined Cell Washing, Quenching, Drying, and Storage
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Cited by 1 •
2025
This protocol aims to preserve cell metabolites for single-cell mass spectrometry (SCMS) by combining volatile salt solution washing, rapid liquid nitrogen quenching, freeze-drying, and −8 °C storage. It demonstrates that liquid nitrogen quenching is essential for maintaining metabolite profiles, while prolonged cold storage should be minimized to prevent metabolic alterations.
FAQs
Temperature and delays before processing can alter cell viability, protein stability, and the integrity of microbial or host biomarkers. These changes may affect measurements of antibodies, cytokines, immune-cell populations, nucleic acids, or pathogen-associated signals. Applying consistent conditions from collection through storage helps distinguish genuine biological differences from changes introduced by sample handling.
The anticoagulant is an important pre-analytical variable because it affects the material being preserved and its suitability for later analysis. Different sample fractions, including whole blood, plasma, serum, or blood cells, may support different immunological or infection-related measurements. Selecting and documenting the anticoagulant consistently reduces variation between samples and improves comparability across experiments.
Light exposure and repeated freeze-thaw cycles are storage conditions that can reduce sample integrity, particularly for sensitive proteins, cells, and other biomarkers. Such changes may influence measured immune or pathogen-associated signals even when the original specimens were comparable. Limiting unnecessary handling and maintaining consistent storage practices helps preserve analyte stability and supports reproducible interpretation.
A reliable workflow includes accurate labeling, timely processing when required, selection of the appropriate blood fraction, controlled storage conditions, aliquoting, and ongoing monitoring. Aliquoting can reduce repeated exposure of the same material to handling or freeze-thaw events, while labeling preserves sample identity. Recording these steps creates a traceable process for later immunological and infection-related analyses.
The appropriate fraction depends on the planned measurement and the properties that must remain intact. Whole blood and isolated blood cells support investigations involving cellular populations, whereas plasma or serum may be selected for soluble antibodies, cytokines, or other biomarkers. Preserving the fraction aligned with the assay helps researchers obtain information that matches the study question.
Standardized storage improves consistency across diagnostic, epidemiological, clinical, and biobanking studies. In immunology and infection research, it helps maintain reliable measurements of host responses and pathogen-associated signals, including antibodies, cytokines, immune-cell populations, nucleic acids, and microbial biomarkers. Consistent handling also reduces technical variation, strengthening comparisons among participants, collection periods, and study sites.