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Protein microarray technology
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DOI：10.1016/S0167-7799(01)01910-2.png)
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En 中文
Microarray technology allows the simultaneous analysis of thousands of parameters within a single experiment. Microspots of capture molecules are immobilized in rows and columns onto a solid support and exposed to samples containing the corresponding binding molecules. Readout systems based on fluorescence, chemiluminescence, mass spectrometry, radioactivity or electrochemistry can be used to detect complex formation within each microspot. Such miniaturized and parallelized binding assays can be highly sensitive, and the extraordinary power of the method is exemplified by array-based gene expression analysis. In these systems, arrays containing immobilized DNA probes are exposed to complementary targets and the degree of hybridization is measured. Recent developments in the field of protein microarrays show applications for enzyme-substrate, DNA-protein and different types of protein-protein interactions. Here, we discuss theoretical advantages and limitations of any miniaturized capture-molecule-ligand assay system and discusses how the use of protein microarrays will change diagnostic methods and genome and proteome research.
Keyword:
LINKED-IMMUNOSORBENT-ASSAY
HUMAN-ANTIBODIES
GENE-EXPRESSION
ARRAYS
IMMUNOASSAY
APTAMERS
RNA
DNA
PROTEOMICS
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