Exploring the potential of molecularly imprinted polymers and metal/metal oxide nanoparticles in sensors: recent advancements and prospects

Crafting Iron Oxides for Next-Generation Biomedical Applications

“…Its magnetic properties enable easy separation between sensor and sample, thereby speeding up the analysis process and providing advantages in repeatable sensor use. ,, Iron oxides, especially Fe 3 O 4 and α-Fe 2 O 3 , exhibit unique electrical properties and electrochemical responses that can be exploited in the development of highly sensitive and selective sensors. The combination of the conductivity properties of iron oxide and its ability to interact with a wide range of chemical compounds, including target analytes, forms the basis for efficient electrochemical detection. , The synergy between voltammetry and iron oxide material in electrochemical sensors results in several advantages that contribute to the effectiveness and flexibility of this analytical approach. Voltammetry, as a powerful electrochemical technique, relies on measuring the current resulting from the application of varying potentials to electrodes .…”

“…The combination of the conductivity properties of iron oxide and its ability to interact with a wide range of chemical compounds, including target analytes, forms the basis for efficient electrochemical detection. 254,255 The synergy between voltammetry and iron oxide material in electrochemical sensors results in several advantages that contribute to the effectiveness and flexibility of this analytical approach. Voltammetry, as a powerful electrochemical technique, relies on measuring the current resulting from the application of varying potentials to electrodes.…”

“…The properties of iron oxides support them to be used in material sensing, including for disease-sensing systems. For instance, the magnetic properties of iron oxides could increase the detection efficiency. ,, Iron oxides also could provide good electrical and electrochemical responses to increase sensitivity and selectivity. , Similar to previous developments such as doping and defect engineering, , compositing and decorating, , surface and interface engineering, as well as structure and morphology development could be used to improve the magnetic and electrochemical properties of iron oxides. For instance, a combination of iron oxides with good conducting materials could improve the electrical properties of iron oxides, thus having better sensitivity.…”

Sensory Polymers: Trends, Challenges, and Prospects Ahead

“…Although selectivity and stability need additional improvement, the possibilities for these composites in sensor advancement are extensive, progressing toward new applications and eco-friendly synthesis methods [ 21 ]. Future research includes decreasing non-specific adsorption to enhance MIP selectivity, investigating 2D materials such as MXene (material composed of transition metals, carbon, and/or nitrogen, with unique properties) for increased sensitivity, and designing MIPs for biological entities to boost disease biomarker detection [ 22 ].…”