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Immunoassay diagnostic electronic assembly

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Immunoassay diagnostic electronic assembly

產品規格

Model No:	Immunoassaydiagnosticpcbassembly

Country	CN
Payment Term	L/C

產品描述

Instrumentation medical devices Immunoassay diagnostic equipment pcba assembly
electronics oem contract manufacturing services OEM CEM EMS experience company-China
Shenzhen Topscom

 
<img src="http://i.bosscdn.com/product/76/b1/d1/789c4c7b9087772dfde7784692.jpg@watermark=2&color=I0ZGRkZGRg%3D%3D&type=ZHJvaWRzYW5zZmFsbGJhY2s%3D&size=17&p=9&t=80&text=cGNiYXNzZW1ibHljaGluYS5ib3NzZ29vLmNvbQ%3D%3D" title="smt workshopnew" alt="smt workshopnew" /> 

 


Immunoassayy biochemical test measures device Electronic OEM EMS CEM Contract Manufacturing PCb assembly service:


An immunoassay is a biochemical test that
measures the presence or concentration of a macromolecule or a small molecule
in a solution through the use of an antibody (usually) or an antigen
(sometimes). The molecule detected by the immunoassay is often referred to as
an "analyte" and is in many cases a protein, although it may be other
kinds of molecules, of different size and types, as long as the proper
antibodies that have the adequate properties for the assay are developed.
Analytes in biological liquids such as serum or urine are frequently measured
using immunoassays for medical and research purposes.


 


Immunoassays come in many different formats
and variations. Immunoassays may be run in multiple steps with reagents being
added and washed away or separated at different points in the assay. Multi-step
assays are often called separation immunoassays or heterogeneous immunoassays.
Some immunoassays can be carried out simply by mixing the reagents and sample
and making a physical measurement. Such assays are called homogenous
immunoassays or less frequently non-separation immunoassays.


 


The use of a calibrator is often employed
in immunoassays. Calibrators are solutions that are known to contain the
analyte in question, and the concentration of that analyte is generally known.
Comparison of an assay's response to a real sample against the assay's response
produced by the calibrators makes it possible to interpret the signal strength
in terms of the presence or concentration of analyte in the sample.


 


 


Immunoassays rely on the ability of an
antibody to recognize and bind a specific macromolecule in what might be a
complex mixture of macromolecules. In immunology the particular macromolecule
bound by an antibody is referred to as an antigen and the area on an antigen to
which the antibody binds is called an epitope.


 


In some cases an immunoassay may use an
antigen to detect for the presence of antibodies, which recognize that antigen,
in a solution. In other words, in some immunoassays, the analyte may be an
antibody rather than an antigen.


 


In addition to the binding of an antibody
to its antigen, the other key feature of all immunoassays is a means to produce
a measurable signal in response to the binding. Most, though not all,
immunoassays involve chemically linking antibodies or antigens with some kind
of detectable label. A large number of labels exist in modern immunoassays, and
they allow for detection through different means. Many labels are detectable
because they either emit radiation, produce a color change in a solution,
fluoresce under light, or because they can be induced to emit light.


 


 


 
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