Capillary Electrophoresis For PCR Detection

Capillary Electrophoresis (CE) has emerged as one of the most powerful and precise analytical techniques for the detection and characterization of PCR (Polymerase Chain Reaction) amplification products. Unlike conventional slab-gel electrophoresis, CE performs separations within narrow-bore capillary tubes filled with a separation matrix, applying high electric field strengths to achieve exceptionally rapid and high-resolution separations of nucleic acid fragments.

In the context of PCR detection, CE provides the ability to separate DNA fragments ranging from as small as 50 bp to several thousand base pairs with single-nucleotide resolution. This makes it the gold standard for applications such as fragment analysis, microsatellite genotyping, STR (Short Tandem Repeat) profiling, mutation scanning, and quantitative gene expression studies.

The integration of CE with PCR has transformed molecular diagnostics: a single CE run can process 96 or more PCR samples in under an hour, producing quantitative digital data that eliminates the subjectivity inherent in manual gel reading. Modern CE platforms couple automated sample injection, temperature-controlled capillary arrays, and advanced software for fragment sizing, allele calling, and data reporting — creating a seamlessly automated molecular analysis pipeline from PCR product to final result.

The global market for Capillary Electrophoresis systems used in PCR-based detection has experienced robust and sustained growth over the past decade. Driven by the rapid expansion of genomic medicine, forensic DNA analysis, food safety testing, and infectious disease diagnostics, the CE instrument market is projected to exceed USD 1.2 billion globally by 2028, growing at a CAGR of over 7% according to multiple industry analyses.

In clinical and hospital diagnostics, CE platforms are now the backbone of newborn screening programs, hemoglobinopathy diagnosis, and pharmacogenomics testing. Leading clinical laboratories worldwide rely on multi-capillary CE analyzers to process thousands of patient samples daily, delivering results within regulatory-compliant turnaround times. The CE-based fragment analysis has become the accepted gold standard for STR-based identity testing in transplantation medicine, chimerism monitoring, and infectious disease epidemiology.

In the pharmaceutical and biopharmaceutical industries, CE is deployed for quality control of PCR-derived nucleic acid therapeutics, mRNA vaccine quality assurance, and CRISPR editing efficiency assessment. Regulatory agencies including the FDA and EMA now recognize CE data as valid evidence in molecular characterization submissions for gene therapy and nucleic acid drug products.

The food and agricultural sectors represent a rapidly growing commercial segment. CE-based PCR detection is now routinely used for GMO identification, allergen presence verification, species authentication, and microbial pathogen screening in food processing facilities — satisfying increasingly stringent international food safety standards such as ISO 21569 and EU Regulation 1829/2003.

Liuyi has specialized in manufacturing electrophoresis instruments for more than 50 years with our own professional technical team and R&D center. We have reliable and complete production line from design to inspection, and warehouse, as well as marketing support. Our main products are Electrophoresis Cell (tank/chamber), Electrophoresis Power Supply, Blu LED Transilluminator, UV Transilluminator, Gel Image & Analysis System etc. According to your requirements, we can provide customized service for you.