期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 355, 期 -, 页码 -出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2021.131283
关键词
Multianalyte detection; Lateral flow immunoassay; Isothermal amplification; Point-of-care wound diagnostics; Pseudomonas aeruginosa; Interleukin-6
资金
- German Research Foundation (DFG) [397660978]
The development of a Multianalyte-Assay that can simultaneously detect inflammation biomarkers and pathogen DNA from one sample within 35 minutes has great potential to improve wound management at the point-of-care.
The detection of multiple biomolecule classes in one go is highly desirable for a wide variety of areas, and in particular for point-of-care diagnostics. For example, wound infections are a major problem for patient's health and cause huge efforts in our healthcare system. In this regard, monitoring infected wounds through simultaneous detection of pathogens via nucleic acid analysis and detection of local inflammation biomarkers is key in order to enable a personalized therapy, improve the clinical outcome and thus, leading to a reduction of overall healthcare costs. In this regard, wound exudate offers an attractive sample material which can be collected in a non-invasive manner. Here, we report the development of a Multianalyte-Assay detecting inflammation biomarkers and pathogen DNA simultaneously from one sample within 35 min. Protein-compatible amplification and labeling transforms nucleic acid information into the measurement principle for protein detection. The combination with rapid detection via lateral flow immunoassay enables a fast and straightforward analysis of multiple biomolecule classes using identical assay conditions. To demonstrate the feasibility of the MultianalyteAssay, the proinflammatory cytokine interleukin-6 (IL-6) and gDNA of the opportunistic pathogen Pseudomonas aeruginosa (P. aeruginosa) are used. The detection limits of 4 ng/mL IL-6 and 70 copies/reaction P. aeruginosa gDNA meet the clinically relevant range and thus, having tremendous potential to improve the wound management at the point-of-care.
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