Enzyme-linked immunosorbent assay (ELISA) is a widely used biochemical technique for the analysis of food safety and quality. It is extensively applied for the identification of allergens and contaminants (e.g., microbes, herbicides, antibiotics, etc.) in foods. The assay is based upon the...

Objective: To understand the microbial contamination and main types of contaminating microorganisms in the reconstituted cereal products, and explore the applicable effects of traditional morphological identification, molecular biology identification and matrix assisted laser desorption ionization...

The detection of H₂O₂ in milk was carried out using a CIC-biosensor based on collagen-immobilized catalase (CIC) and a dissolved oxygen probe. The CIC-biosensor response was fastest at pH 7.0 at 30°C. Further, the biosensor exhibited responses over a H₂O₂ concentration range from 1.47 × 10^-6 mol/L...

In 2020, the COVID-19 pandemic broke out globally, and cold-chain food has become the key point of the task to prevent the coronavirus from spreading within the city/region or beyond. Using information tools like establishing a national cold-chain traceability management platform to control the...

Tetracycline (TC) residues not only endanger human health, but also are detrimental to the sustainable development of aquaculture and animal husbandry. Herein, a novel fluorescence sensor with high sensitivity and selectivity was developed based on nitrogen-doped carbon dots embedded in zinc-based...

Herein, an electrochemical sensor for single-cell determination of bacteria was developed based on target-triggered click chemistry and fast scan voltammetry (FSV). In it, bacteria not only are the detection target, but also can use their own metabolism to achieve first-level signal amplification....

In this research, an indirect competitive enzyme-linked immunosorbent assay (ELISA) and colloidal gold-based immunochromatographic (GICG) strip were developed for the detection of the antiviral drug amantadine (AM) in animal-derived foods. Under the optimized conditions of coating antigen (AM-BSA)...

Objective: To prepare the melamine reference material in milk powder. Methods: The standard material was prepared by homogenizing, freeze-drying, pulverizing, sieving, mixing and other steps of the melamine standard solution and the milk powder complex solution. After homogeneity and stability...

Owing to the severe toxicity and health hazard of polychlorinated biphenyls (PCBs) to humans, the efficient separation and determination of PCBs in dairy products is highly desirable and challenging. In this study, a new solid-phase microextraction (SPME) fiber was prepared by coating of a new...

Enrofloxacin is the first fluoroquinolone compound to be used in food animals in China, and plays an important role in the prevention and control of livestock and aquaculture diseases. However, enrofloxacin residues in foods resulting from its irregular or excessive use can damage seriously...