Food safety issues remain a worldwide challenge due to the presence of contaminants. DNA-based sensors have been suggested to help detect molecules such as biomarkers, contaminants, drugs and small molecules. Electrochemical and optical DNA sensors combined with nanomaterials or functional polymers offer real-time and rapid analysis of target analytes in complex samples. The applications of DNA sensing technology in food analysis have shown remarkable progress. Therefore, the proposed critical review aims to summarize the progress of DNA-based optical and electrochemical biosensors that aim to detect contaminants from food samples developed during the last four years. Applied DNA sensors for food contaminants analysis were categorized according to the type of contaminants, the nanomaterials used in the design or their amplification sensing strategies. New trends, main challenges, and future outlook for the use of DNA-based sensor designs in food security are discussed. • Recent progress of electrochemical and optical DNA sensors is reviewed and discussed. • The applications of nanomaterials and detection principles of DNA-sensors are summarized. • Challenges and future role of DNA sensors for improving food safety is discussed. • Evaluates challenges, on-site analysis and applicability beyond proof of concept. • Emerging DNA-based sensors are promising as food safety tools. 

DNA sensing technology a useful food scanning tool

Fabrication of a novel electrochemical biosensor based on a molecular imprinted polymer-aptamer hybrid receptor for lysozyme determination

/pdf/recent-advances-in-electrochemical-sensing-strategies-for-3bgoxyod.pdf

Recent Advances in Electrochemical Sensing Strategies for Food Allergen Detection

Wearable devices are gaining popularity in the fields of health monitoring, diagnosis, and drug delivery. Recent advances in wearable technology have enabled real-time analysis of biofluids such as sweat, interstitial fluid, tears, saliva, wound fluid, and urine. The integration of microfluidics and emerging smart technologies, such as artificial intelligence (AI), machine learning (ML), and Internet of Things (IoT), into wearable devices offers great potential for accurate and non-invasive monitoring and diagnosis. This paper provides an overview of current trends and developments in microfluidics and smart technologies in wearable devices for analyzing body fluids. The paper discusses common microfluidic technologies in wearable devices and the challenges associated with analyzing each type of biofluid. The paper emphasizes the importance of combining smart technologies with microfluidics in wearable devices, and how they can aid diagnosis and therapy. Finally, the paper covers recent applications, trends, and future developments in the context of intelligent microfluidic wearable devices.

Recent Developments and Future Perspectives of Microfluidics and Smart Technologies in Wearable Devices

Towards selective tetracycline recognition in wastewater based on gold nanovoids@aptamer sensing

Poly-L-Lysine@gold nanostructured hybrid platform for Lysozyme aptamer sandwich-based detection

Enzymatic Detection of l-Lactate with a Smart Colorimetric Sensor

Electrochemical DNA-Based Biosensors as Useful Tools for Food Analysis

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Poly-L-Lysine@gold nanostructured hybrid platform for Lysozyme aptamer sandwich-based detection

Enzymatic Detection of l-Lactate with a Smart Colorimetric Sensor

Electrochemical DNA-Based Biosensors as Useful Tools for Food Analysis