Serum Detection
Serum Detection - Related Videos
04:21
An Assay to Detect Serum Anti-aquaporin-4 Immunoglobulin G
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2025
The video demonstrates a cell-based assay for detecting anti-aquaporin-4 immunoglobulin G using a biochip containing untransfected cells and transfected cells expressing aquaporin-4. This method has applications in diagnosing neuromyelitis optica spectrum disorders, confirmed by strong green fluorescence on the biochip.
03:59
The Hemagglutination Inhibition Assay to Detect Serum Antibodies Against a Target Antigen
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2025
The video demonstrates a hemagglutination inhibition assay for detecting serum antibodies against specific antigens. Confirmation of hemagglutination inhibition in the test well and hemagglutination in the control well is achieved through distinct visual patterns. This assay plays a crucial role in assessing immune response, vaccine effectiveness, and studying viral infections in virology and immunology.
05:04
Viral Antigen Microarray Assay to Detect Antibody Isotypes in Serum Against Viral Antigen
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2025
In this video, we demonstrate the process for detecting antibody isotypes in multiple human serum samples using a microarray slide printed with antigenic subtypes of influenza virus strains.
03:52
An Assay to Detect Autoantibodies in Human Serum using a Hippocampal Neuronal Culture
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2025
This video demonstrates a technique for identifying antibodies against specific antigens in a sample using a rat hippocampal neuronal culture. By exposing cultured neurons to patient samples containing autoantibodies targeting N-Methyl-D-aspartate receptors (NMDARs), the presence of autoantibodies bound to the neuronal surface is revealed through immunostaining.
09:21
Serum and Plasma Copy Number Detection Using Real-time PCR
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Cited by 4 •
2017
This manuscript describes the copy number variation analysis performed in serum or plasma DNA using real-time PCR approach. This method is suitable for the prediction of drug resistance in castration resistant prostate cancer patients, but it could be informative also for other diseases.
FAQs
A target-specific binding or reaction converts the presence of a molecule into a measurable signal. Depending on the assay, that signal may be optical, electrical, or enzymatic. The signal is then compared with known standards or controls, allowing investigators to determine whether the target is detected and support quantitative interpretation.
Specificity helps an assay distinguish the intended target from other substances in serum, while sensitivity reflects its ability to detect the target reliably. These properties directly affect result confidence. An assay with poor specificity can misidentify signals, whereas inadequate sensitivity may fail to reveal biologically meaningful target levels.
Standards provide reference points for relating an observed signal to the amount of target present. Controls help assess whether the assay is functioning as expected and whether the result is interpretable. Together, they anchor measurements to a comparison framework rather than leaving signal intensity as an isolated observation.
Reliable analysis depends on obtaining serum that has been appropriately separated from cellular components and remains suitable for testing. Sample quality can influence the measured signal and therefore the interpretation of target levels. Careful handling is important because inaccurate measurements can weaken biomarker validation, monitoring, or biological conclusions.
A typical workflow separates serum from cellular components, combines the sample with reagents selected to bind or react with the target, and measures the resulting optical, electrical, or enzymatic signal. Investigators then compare that signal with standards and controls. This sequence links sample preparation to detection and result interpretation.
Researchers apply serum detection to investigate proteins, antibodies, hormones, metabolites, and other biomarkers associated with physiological states or disease processes. The approach supports biological research, clinical testing, biomarker validation, and monitoring. Its value lies in connecting measurable serum signals with questions about health, disease, or biological change.