Biosensors and Nanotheranostics

Bionanotechnology, Drug Delivery, Therapeutics | online ISSN 3064-7789
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Biosensors and Nanotheranostics 5 (1) 1-8 https://doi.org/10.25163/biosensors.5110984

Submitted: 09 May 2026 Revised: 01 May 2026  Accepted: 07 May 2026  Published: 09 May 2026 


Abstract

Nanomedicine has moved a long way from its first liposomal products. What began as an effort to keep poorly soluble drugs in circulation is now an attempt to engineer, at the nanoscale, carriers that recognise diseased cells, sense their surroundings and release a payload only when conditions are right. This narrative review traces that shift and asks how far it has actually travelled toward the clinic. We synthesised peer-reviewed sources published between 2011 and 2026, organised around four themes. First, the move from passive, Enhanced Permeability and Retention (EPR)-based accumulation, which often delivers well under a tenth of the injected dose to tumours, toward chemo-biochemical convergence: ligand-directed, stimulus-responsive platforms that couple synthetic chemistry with biological recognition. Second, physical and micro-engineered vectors, including quantum biosensors embedded in organ-on-a-chip systems and wearable or implantable BioMEMS that permit continuous, label-free monitoring. Third, computational integration, in which multi-omics profiling, machine learning and physiologically based pharmacokinetic models converge in patient-specific digital twins. Fourth, disease-specific applications in oncology, notably copper-driven cuproptosis in hepatocellular carcinoma, and in brain disorders where the blood-brain barrier remains the decisive obstacle. Across these themes the engineering is impressive, yet the evidence is uneven. Protein corona formation, batch-to-batch variability, long-term safety and drug-device regulatory pathways continue to limit translation, and most digital twins remain unvalidated. We argue that progress now depends less on new materials than on standardised characterisation, prospective validation and early regulatory engagement, and we sketch a roadmap toward that goal.

Keywords: nanomedicine; chemo-biochemical convergence; stimuli-responsive nanocarriers; quantum biosensors; organ-on-a-chip; BioMEMS; digital twins; precision medicine; clinical translation

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