The working principle of the Thermo Fisher CID detector is based on the light signals emitted during chemical reactions. Unlike traditional light absorption detectors, it relies on chemiluminescence reactions - certain chemical substances emit light under specific conditions when excited, and this light signal is proportional to the concentration of the substance. Due to the fact that chemiluminescence does not rely on external light sources, CID has a higher signal-to-noise ratio and stronger anti-interference ability compared to other optical detection methods. The advantage lies in its high sensitivity and fast response time, making it significantly advantageous in micro analysis of complex samples, and widely used in various fields such as chemical analysis, environmental monitoring, food testing, medical diagnosis, etc.
The main application areas are as follows:
1. Environmental monitoring
Environmental monitoring is one of the important application areas. CID can effectively detect low concentrations of pollutants such as nitrogen oxides (NOx), ozone, volatile organic compounds (VOCs), etc. in air quality monitoring, wastewater treatment, soil pollution analysis, etc.
Air pollution monitoring: It can detect moderate pollutants in the atmosphere, which is of great significance for environmental protection, pollution source monitoring, climate change research, etc. Especially in cities with severe air pollution, CID technology can monitor the concentration changes of pollutants in real time, helping the government take timely measures.
Water quality monitoring: It is also widely used in wastewater treatment and can effectively detect pollutants such as ammonia nitrogen and nitrite in water, providing scientific basis for water quality control.
Soil pollution detection: Chemical luminescence reaction can be used to detect harmful substances such as heavy metal elements and pesticide residues in soil, providing effective support for soil pollution remediation.
2. Food safety testing
Food safety has always been a hot topic of global concern. The application of Thermo Fisher CID detector in the food industry mainly focuses on food ingredient analysis, pesticide residue detection, and food additive monitoring. It can quickly and accurately detect trace harmful substances in food, ensuring food safety.
Pesticide residue detection: can be used to detect trace pesticide residues in food. Especially in agricultural products such as fruits, vegetables, and tea, CID can detect pesticide residues at lower concentrations, helping regulatory authorities detect problems in a timely manner and ensuring consumer health.
Food additive monitoring: It can effectively analyze the content of additives in food, especially the detection of certain illegal additives. Through CID technology, unqualified food can be quickly screened out, providing consumers with higher protection.
Food ingredient analysis: CID technology is also widely used for ingredient analysis in food, including the detection of proteins, fats, sugars, etc., providing scientific basis for food quality control.
3. Clinical Medicine and Diagnosis
In clinical medicine, it is widely used for the detection of various biomarkers, especially in the early screening and diagnosis of cancer, heart disease, infectious diseases, etc., which is of great significance.
4. Drug development and biomedicine
It also plays an important role in the drug development process. High precision data support can be provided in drug screening, efficacy evaluation, pharmacokinetic studies, and other related processes.
Drug screening and efficacy testing: capable of detecting the biological activity of drugs in vitro experiments, including cellular reactions, enzyme reactions, etc. Through chemiluminescence reaction, the interaction between drugs and receptors can be accurately measured, providing support for drug development.
Pharmacokinetic studies: CID technology can help analyze the absorption, distribution, metabolism, and excretion processes of drugs in the body, providing data support for clinical trials and dose design of drugs.
5. Clinical Immunology and Diagnosis
CID technology has also been widely applied in immunology, especially in the field of immunodiagnosis. Through chemiluminescence reaction, CID can detect immune molecules such as antibodies, antigens, cytokines, etc., with high sensitivity and specificity.
Immunodiagnosis: CID technology can be used to detect immunoglobulin (Ig), cytokines, hormones, etc. in the body to determine the functional status of the immune system and the occurrence of diseases.
ELISA detection: CID technology is often combined with enzyme-linked immunosorbent assay (ELISA) to improve the sensitivity and accuracy of detection, and is widely used in various immunological tests.
6. Chemical analysis and quality control
In the field of chemical analysis, Thermo Fisher CID detectors are used for quantitative analysis and quality control, especially for monitoring changes in the concentration of reactants and products in chemical reactions. It has important applications in chemical production, drug quality control, environmental analysis, and other fields.
Chemical reaction monitoring: It can be used to monitor substance changes in chemical reactions in real time, helping chemical engineers optimize reaction conditions and improve production efficiency.
Quality control: In the chemical and pharmaceutical industries, it is used to detect the presence of impurities in the production process to ensure that the product quality meets standards.