Some Things to Know About the Lateral Flow Reader
Such lateral flow reader or lateral flow immunoassay is a diagnostic device that is used to confirm the absence or presence of target analyte such as the biomarkers and pathogens in the humans or animals or the contaminants in those water supplies, foodstuffs and animal feeds. The very common known type of the lateral flow rapid test is actually the pregnancy test.
LFDs would have such control line for confirming that the test works in the right manner together with one or more target or those test lines. They are created to incorporate such intuitive user protocols and require minimal training in order for them to work. They may be qualitative and also read visually or can be quantitative when they are combined with such reader technology.
Lateral flow tests are utilized really popularly in the human health for that point of care testing. They may be performed by the patient or the healthcare professional and also in a range of settings which include the laboratory, home or clinic. In that medical diagnostic industry, there are strict requirements that should be followed for all of those products which were made and manufactured.
Because of their versatile nature, such lateral flow rapid tests are being used across several other industry sectors that include veterinary, environmental, food and feed and also the plant and crop health.
Keep in mind that the lateral flow assays may be created to be used in the dipstick format or may be in the housed cassette. Both of the dipsticks and also the housed tests can work in the same way, it is actually just dependent on the industry, the market requirement and the sample matrix as to what format is actually suitable.
In those sandwich assays, positive test is presented by that presence of colored line in its test line position. On the other hand, there are those competitive assays. The positive test is actually represented by such absence of the colored line at that test line position.
The LFDs make use of such immunoassay technology by using the nitrocellular membrane, those colored nanoparticles or the antibodies and labels to produce the said results. If a sample is actually added, the sample flows along the test device which would pass through that conjugate pad into the nitrocellulose membrane and then to such absorbent pad.
The sample pad would serve as the first stage of such absorption process and in some situations would contain a filter to make sure there is an accurate and also controlled flow of the sample. Such conjugate pad is going to store the conjugated labels and the antibodies and this receives the sample. The sample passes through that nitrocellulose membrane into the absorbent pad.
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