Serological Tests
Serological Tests - Related Videos
06:35
Introduction to Serological Pipettes and Pipettors
0 Views •
2023
The serological pipette is frequently used in the laboratory for transferring milliliter volumes of liquid, from less than 1 ml to up to 50 ml. The pipettes can be sterile, plastic, and disposable or sterilizable, glass and reusable. Both kinds of pipettes use a pipet-aid, for the aspiration and dispensation of liquids. Different sizes of pipettes can be used with the same pipet-aid for a variety of experimental assays. For example, serological pipettes are useful for mixing chemical solutions...
05:22
A Multiplex Serological Assay for the Detection of Antibody Responses to Arboviruses
0 Views •
2025
Multiplex fluorescence immunoassays are becoming a reference for serology testing. Their application, however, is limited by the complexity and time-consuming bead-analyte coupling processes. This report presents a semi-automated, reproducible multiplex microsphere bead coupling protocol that is comparable to the standard method while considerably reducing time to results.
11:43
Aseptic Laboratory Techniques: Volume Transfers with Serological Pipettes and Micropipettors
0 Views •
Cited by 24 •
2012
When working in a laboratory, it is imperative to minimize sources of contamination. Aseptic technique refers to procedures that permit transfer of cultures and reagents while avoiding contact with non-sterile surfaces. Serological pipettes and micropipettors are used to measure precise volumes without compromising sterility of solutions used in experiments.
05:25
Simultaneous Detection of Different Antibody Classes in a Multiplexed Serological Test
0 Views •
2023
A three-channel dual-reporter fluorescence flow analysis system was used to develop a bead-based multiplex immunoassay that simultaneously evaluates serum samples for IgG and IgM elicited against multiple antigens of different Borrelia species that cause Lyme borreliosis in Europe and North America.
07:47
Anxiety Testing
0 Views •
2023
Anxiety is a commonly observed behavioral disorder that stems from fear. It is described as increased restlessness, or unpleasant feelings of fear over anticipated events. Experimenters often use rodent models to better understand anxiety disorders in humans. They use different paradigms, like exposing rodents to bright spaces or loud sounds, which are known to induce fear. These tests combined with other interventions such as surgery or drug-administration may assist researchers in pinpointing...
FAQs
Specific antigen-antibody binding creates the signal that serological assays measure. Depending on the test design, binding may produce visible agglutination, an enzyme-linked color change in ELISA, fluorescence, or neutralization of an infectious agent. These different readouts allow investigators to determine whether a targeted immune marker is present and connect the result to infection, exposure, or immune response.
Sensitivity and specificity influence how reliably a test identifies the intended immune marker while limiting misleading results. Timing also matters because the relationship between a sample and an infection, exposure, or immune response depends on when testing occurs. Consequently, researchers interpret a result alongside the sampling time and the known performance characteristics of the assay.
These formats detect immune reactions through different observable outcomes. Agglutination produces a visible reaction, whereas ELISA uses an enzyme-linked color change and fluorescence relies on a fluorescent signal. Neutralization instead evaluates whether antibodies can block an infectious agent. The choice of readout affects what biological activity or marker the test can characterize.
The process begins with a serum sample of suitable quality, followed by selection of a reaction that can detect the relevant antibody, antigen, or immune-related marker. The assay then generates a measurable outcome such as color, fluorescence, agglutination, or neutralization. Interpretation connects that outcome with possible infection, exposure, immunity, or immune response.
Serological testing can provide evidence of past or current exposure to pathogens and can also assess responses produced by vaccination. Its value depends on interpreting the detected marker together with timing, sensitivity, specificity, and sample quality. In biology and clinical research, this supports diagnostic assessment while helping investigators distinguish immune status from other possible explanations.
At the population level, results can contribute to disease surveillance and epidemiological studies by showing patterns of exposure or immune response. In laboratory biology, the same approach helps characterize immune function through detected antibodies, antigens, or related markers. These applications extend beyond individual diagnosis, allowing researchers to examine broader patterns and responses across samples or groups.