ArticleLight, science & applications2024
Single 5-nm quantum dot detection via microtoroid optical resonator photothermal microscopy.
Article in Light, science & applications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
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The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
10 citing papers in PubMed.
- High-Science advances · 2026Article
- Review
- Free-Space-Coupled Frequency-Locked Microtoroid Resonators with Reactive Polymer Functionalization for Part-Per-Trillion Gas Detection.Laser & photonics reviews · 2026Article
- Single-Particle Photothermal Microscopy Using On-Chip Silicon Nitride Microring Resonators.The journal of physical chemistry. A · 2026Article
- Accelerating GPCR drug discovery through computation and experiment integrated with direct detection of ligand binding events.npj drug discovery · 2026Review
- Review
- FLOWER: a frequency-locked optical whispering evanescent resonator for label-free molecular detection.Chemical communications (Cambridge, England) · 2025Review
- Frequency locked whispering evanescent resonator (FLOWER) for biochemical sensing applications.Nature protocols · 2025Review
- Optical biosensors for diagnosing neurodegenerative diseases.Npj biosensing · 2025Review
- Steviol rebaudiosides bind to four different sites of the human sweet taste receptor (T1R2/T1R3) complex explaining confusing experiments.Communications chemistry · 2024Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
Label-free detection techniques for single particles and molecules play an important role in basic science, disease diagnostics, and nanomaterial investigations. While fluorescence-based methods are tools for single molecule detection and imaging, they are limited by available molecular probes and photoblinking and photobleaching. Photothermal microscopy has emerged as a label-free imaging technique capable of detecting individual nanoabsorbers with high sensitivity. Whispering gallery mode (WGM) microresonators can confine light in a small volume for enhanced light-matter interaction and thus are a promising ultra-sensitive photothermal microscopy platform. Previously, microtoroid optical resonators were combined with photothermal microscopy to detect 250 nm long gold nanorods and 100 nm long polymers. Here, we combine microtoroids with photothermal microscopy to spatially detect single 5 nm diameter quantum dots (QDs) with a signal-to-noise ratio exceeding 10
Identifiers
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.