Related Experiment Video
Updated: May 31, 2026
11:17
Multiplex Therapeutic Drug Monitoring by Isotope-dilution HPLC-MS/MS of Antibiotics in Critical Illnesses
Published on: August 30, 2018
Simultaneous detection of five antibiotics in milk by high-throughput suspension array technology
1Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Institute of Health and Environmental Medicine, Tianjin 300050, PR China.
Talanta
|July 6, 2011
Summary
A new suspension array technology enables simultaneous detection of five common antibiotics in milk. This method improves sensitivity and accuracy for detecting antibiotic residues, ensuring milk safety.
Area of Science:
- Analytical Chemistry
- Food Safety
- Biotechnology
Background:
- Antibiotic residues in milk pose a significant food safety concern.
- Accurate and rapid detection methods are crucial for monitoring milk quality.
- Existing methods often face challenges with interference from milk matrix components.
Purpose of the Study:
- To develop a novel suspension array technology for simultaneous quantitative determination of five key antibiotics in milk.
- To enhance detection sensitivity and reduce interference in milk sample analysis.
- To provide a fast and reliable method for multi-antibiotic residue detection.
Main Methods:
- Development of a suspension array assay for simultaneous detection of tylosin, tetracycline, gentamicin, streptomycin, and chloramphenicol.
- Implementation of a novel diethyl ether treatment for milk samples to minimize matrix interference.
- Utilized secondary antibody-biotin for improved detection sensitivity compared to biotin-labeled monoclonal antibodies.
Main Results:
- Achieved minimum detectable concentrations as low as 0.3 ng/ml for tylosin.
- Demonstrated broad working ranges for all five antibiotics, e.g., 6-400 ng/ml for tylosin.
- Obtained high mean recovery rates (89.38-113.73%) with low standard deviations (within 16.62%).
Conclusions:
- The developed suspension array technology offers a powerful tool for rapid, simultaneous, and quantitative analysis of multiple antibiotic residues in milk.
- The novel sample treatment and secondary antibody-biotin approach significantly improve assay performance.
- This method contributes to enhanced food safety by enabling efficient monitoring of antibiotic contamination in milk.
Related Concept Videos
01:24Automated Microbial Diagnostics
Automated diagnostic analyzers have transformed clinical microbiology by providing rapid and reliable methods for pathogen identification and antibiotic susceptibility testing. Among these systems, the Vitek 2 is widely used because it automates the traditionally labor-intensive processes of microbial identification (ID) and antibiotic susceptibility testing (AST), delivering standardized and timely results that are essential for effective patient care.Microbial Identification with ID CardsThe...
01:25Rapid Identification of Pathogens
MALDI-TOF MS has transformed clinical microbiology by offering a rapid and reliable method for pathogen identification. The traditional approach to microbial identification typically involves time-consuming culture techniques and biochemical tests, which can delay the initiation of appropriate antimicrobial therapy. MALDI-TOF MS avoids these delays by using characteristic ribosomal protein mass patterns of microbial cells, enabling accurate species-level identification within minutes.Principle...