This study presents a scientometric analysis of hydrogen peroxide (H2O2) sensor research, leveraging data visualizations generated by VOSviewer to elucidate the field's evolving trends and dichotomies. Through a detailed examination of clustered terms, our analysis distinguishes two primary research trajectories: technological and material developments (Cluster 1) versus application-oriented investigations, primarily in biological contexts (Cluster 2). Cluster 1 emphasizes the critical roles of catalysis and metal nanoparticles in enhancing sensor selectivity and sensitivity, highlighting the integration of chemistry and biosensing techniques to overcome the challenge of developing highly sensitive H2O2 sensors. Meanwhile, Cluster 2 explores the use of H2O2 sensing in biomedical and clinical applications, including glucose monitoring for diabetes management and the potential of H2O2 as a biomarker for oxidative stress and cancer diagnosis. This division reflects a comprehensive approach that spans controlled laboratory experiments to potential medical applications, underlining the significance of H2O2 in linking material science advancements with biomedical application development. Our findings reveal the complexity of H2O2 detection systems and identify the primary challenge of improving sensor performance to broaden their biological application. This analysis underscores the importance of a cross-sectoral strategy in advancing H2O2 sensor innovation, crucial for healthcare monitoring and environmental pollution tracking, thereby offering a comprehensive overview of the current state and future directions in H2O2 sensor research.
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