ArticleAnalytical chemistry2005
Nanogold plasmon resonance-based glucose sensing. 2. Wavelength-ratiometric resonance light scattering.
Article in Analytical chemistry, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 161 citations in OpenAlex.
- Composite-Scattering Plasmonic Nanoprobes for Label-Free, Quantitative Biomolecular Sensing.Small (Weinheim an der Bergstrasse, Germany) · 2019Article
- Current Advancements in Transdermal Biosensing and Targeted Drug Delivery.Sensors (Basel, Switzerland) · 2019Review
- Portable low-cost instrumentation for monitoring Rayleigh scattering from chemical sensors based on metallic nanoparticles.Scientific reports · 2018Article
- Targeted polyethylene glycol gold nanoparticles for the treatment of pancreatic cancer: from synthesis to proof-of-concept in vitro studies.International journal of nanomedicine · 2016Article
- An effective nanosensor for organic molecules based on water-soluble mercaptopropionic acid-capped CdTe nanocrystals with potential application in high-throughput screening and high-resolution optical microscopy.Biomedical optics express · 2014Article
- Plasmonic photothermal heating of intraperitoneal tumors through the use of an implanted near-infrared source.ACS nano · 2013Article
- Multiplexed colorimetric detection of Kaposi's sarcoma associated herpesvirus and Bartonella DNA using gold and silver nanoparticles.Nanoscale · 2013Article
- Gold nanoparticles in chemical and biological sensing.Chemical reviews · 2012Review
- Detection of quadruplex DNA by gold nanoparticles.Journal of analytical methods in chemistry · 2012Article
- X-ray photoelectron spectroscopy characterization of gold nanoparticles functionalized with amine-terminated alkanethiols.Biointerphases · 2011Article
- Nanoparticles for detection and diagnosis.Advanced drug delivery reviews · 2010Review
- Ultra-sensitivity glucose sensor based on field emitters.Nanoscale research letters · 2009Article
- Angular-dependent polarization-based plasmon light scattering for bioaffinity sensing.Applied physics letters · 2005Article
- Plasmon light scattering in biology and medicine: new sensing approaches, visions and perspectives.Current opinion in chemical biology · 2005Review
Corrections and comments
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Gold colloids are well known to display strong plasmon absorption bands due to electron oscillations induced by the incident light. When the colloids are in proximity, the plasmon absorption bands are often perturbed. This has enabled us recently to successfully develop a glucose sensing platform based on the disassociation of dextran-coated gold colloids, cross-linked with Con A, by glucose. However, a much more useful and simpler property of gold colloids, which has been ill explored with regard to sensing, is their ability to efficiently scatter excitation light. We have found that our nanogold sensing aggregates are indeed efficient light scatters around the nanogold plasmon absorption band. By measuring the ratio of scattered light intensities at two different arbitrary wavelengths, 560 and 680 nm, glucose concentrations can be readily determined from a few millimolar up to approximately 60 mM, using a simple white light LED and detection system. Further, by measuring the ratio of the scattered intensities, this sensing approach is independent of the total sensing aggregate concentration and the excitation and detection instrumentation fluctuations or drifts. This simplistic and low-cost approach to glucose sensing, coupled with the sensing aggreagates' ability to scatter red light, suggests the potential use of these aggregates for use in physiological transdermal glucose monitoring, either for implantable skin sensors or glucose sensing tattoos (discussed later).
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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.