Specimen Recovery
Specimen Recovery - Related Videos
03:59
Preparation of Brain Sections Using a NMDG-Based Protective Recovery Method
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2025
This video describes a protocol to obtain brain slices using an N-Methyl-D-glucamine (NMDG)-based protective recovery method. A dissected brain is incubated in an aCSF with NMDG and HEPES to minimize neuronal cell death and damage during the sectioning. The section is allowed to recover in the aCSF to restore the cellular...
08:12
Brain Banking: Making the Most of your Research Specimens
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Cited by 21 •
2009
Brain banking and systematic sampling of biological material provides the basis for unbiased stereology and maximizes the potential data obtained from each specimen.
07:15
A Novel Method for In Situ Electromechanical Characterization of Nanoscale Specimens
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Cited by 2 •
2017
Isolating electrical and thermal effects on electrically assisted deformation (EAD) is very difficult using macroscopic samples. Metallic sample micro- and nanostructures together with a custom test procedure have been developed to evaluate the impact of applied current on the formation without joule heating and evolution of dislocations on these samples.
04:40
Augmented Reality-Based Visualization of a Resected Tumor Specimen
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2026
Source:Carly Fassler1, Liyu Huang1, Kavita Prasad1, Jiayi Xu2, Guansen Tong2, Jie Ying Wu2, Michael C. Topf1,31Department of Otolaryngology – Head and Neck Surgery, Vanderbilt University Medical Center.2Computer Science Department, Vanderbilt University.3Vanderbilt University School of Engineering, Vanderbilt University.This video demonstrates using augmented reality (AR) for tumor resection, where a 3D-scanned tumor specimen is visualized as a hologram on a head-mounted display. Surgeons can...
09:50
Electrochemically and Bioelectrochemically Induced Ammonium Recovery
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Cited by 31 •
2015
We demonstrate the extraction of ammonium from an ammonium-rich stream using an electrochemical and a bioelectrochemical system. The reactor setup, operation and data analysis are discussed.
FAQs
Contamination can introduce biological material or chemical changes that do not belong to the original sample, complicating identification and analysis. Recovery therefore emphasizes careful removal and handling so the material remains representative of its source. This is especially important when specimens are examined by microscopy, analyzed molecularly, cultured, or used in diagnostic investigations.
Temperature, moisture, and physical handling can alter a specimen after it has been located, changing its structural or chemical properties. Controlling these influences helps preserve the material in a state that more closely reflects the original sample. Maintaining that condition strengthens reproducibility and supports more reliable comparisons among biological observations or experimental results.
The intended analysis determines which properties must be protected during recovery and subsequent storage. Microscopy may depend on structural preservation, whereas molecular analysis or culture requires the recovered material to remain suitable for those procedures. Selecting handling, stabilization, transport, and storage conditions accordingly helps ensure that the specimen remains informative for its planned biological investigation.
After locating material, the specimen is removed with minimal damage and contamination, then labeled so its identity and source remain traceable. It may be stabilized before transport and stored under appropriate conditions until analysis. These linked steps protect the sample’s integrity and provide the information needed to interpret results in relation to the original collection.
Biologists use recovered specimens in microscopy, molecular analysis, culture, ecological surveys, and diagnostic investigations. The same core concerns apply across these settings, but the required preservation and handling approach depends on the material and its intended use. In teaching, well-preserved specimens also support accurate observation and interpretation of biological structures or samples.
Reliable recovery improves the quality of evidence by preserving relevant structural and chemical properties and reducing avoidable variation introduced during collection or handling. This makes observations easier to reproduce and results easier to interpret. In ecological and diagnostic work, dependable recovery also helps connect analytical findings with the organism, environment, or experimental sample from which they came.