Functional Quantum Dots as Versatile Biosensing Platforms
A special issue of Biosensors (ISSN 2079-6374). This special issue belongs to the section "Biosensor Materials".
Deadline for manuscript submissions: closed (30 September 2024) | Viewed by 244
Special Issue Editors
Interests: laser-based fabrication of medical devices; nanostructured biomaterials; drug delivery; laser processing of nanostructured and microstructured biomaterials
Special Issues, Collections and Topics in MDPI journals
Interests: biomaterials; flexible microstructured biosensors; metal–organic frameworks; microneedle sensors; photopolymer–drug conjugates
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Small colloidal particles, also known as quantum dots (QDs), have recently emerged as efficient elements for developing biosensors due to their unique optical properties. Due to their emission spectra being tunable over a wide range of wavelengths, QDs can serve as versatile components for specific/non-specific biorecognition sensors. Targeted biological elements (antibodies, proteins, peptides, aptamers, nucleic acids, small molecules, liposomes, lectins, and monosaccharides) could be tied covalently or electrostatically. Other characteristic features, like a great quantum yield, photostability, and a high fluorescence lifetime, make them ideal luminophores for aggregation-induced emission (AIE), fluorescence resonance energy transfer (FRET)-based single-molecule-detection (SMD) biosensors. The integration of QDs with SMD techniques has led to recent advancements in affluent in vivo sensing and disease diagnosis. In this regard, biocompatible semiconductor QDs are considered promising candidates for fluorescent, bioluminescent, chemiluminescent, and photoelectrochemical biosensors, as they do not use heavy metals as conventional labeling agents. Therefore, further improved QD-based sensors could be effective tools for valuable disease prognosis, biomedical research, and drug discovery in the future.
In this Special Issue, we welcome original research papers, comprehensive review articles, letters discussing new QDs formulation techniques and their applications as in vivo and in vitro biosensors for the early diagnosis of fatal diseases such as cancer, viral, genetic mutations, SARS, etc.
Prof. Dr. Roger Jagdish Narayan
Dr. Shubhangi Shukla
Guest Editors
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Keywords
- quantum dots
- thermoelectric sensors
- graphene dots
- fluorescent labels
- quantum yield
- aptamer-conjugated QDs
- carbonization
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