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Saturday, July 18, 2020 | History

4 edition of Optical methods for ultrasensitive detection and analysis found in the catalog.

Optical methods for ultrasensitive detection and analysis

techniques and applications : 21-23 January 1991, Los Angeles, California

  • 363 Want to read
  • 30 Currently reading

Published by SPIE in Bellingham, Wash., USA .
Written in English

    Subjects:
  • Laser spectroscopy -- Congresses.,
  • Atomic absorption spectroscopy -- Congresses.,
  • Lasers -- Industrial applications -- Congresses.,
  • Resonance ionization spectroscopy -- Congresses.,
  • Surface chemistry -- Technique -- Congresses.

  • Edition Notes

    StatementBryan L. Fearey, chair/editor ; sponsored and published by SPIE--the International Society for Optical Engineering.
    SeriesProceedings / SPIE--the International Society for Optical Engineering ;, v. 1435, Proceedings of SPIE--the International Society for Optical Engineering ;, v. 1435.
    ContributionsFearey, Bryan L., Society of Photo-optical Instrumentation Engineers.
    Classifications
    LC ClassificationsQC454.L3 O68 1991
    The Physical Object
    Paginationx, 369 p. :
    Number of Pages369
    ID Numbers
    Open LibraryOL1569266M
    ISBN 100819405256
    LC Control Number91060511

    In this review, current SNP sensing approaches are described with a main focus on recently introduced direct, enzyme-free and ultrasensitive SNP sensing by optical methods. Single nucleotide polymorphisms (SNPs) are single nucleotide variations which comprise the most wide spread source of genetic diversity in the by: 9. The scheme of a gold-nanoparticle (AU NP)-amplified microcantilever array biosensor for detection of foodborne bacteria. The six pairs of ssDNA probes (ssDNA 1 + ssDNA 2 complementary to the target gene) derived from the sequence analysis of the specific gene of the bacteria were developed and validated. The probes of ssDNA 1 were modified with -S-(CH 2) 6 at the 5′-end and ready to Cited by: 1.

      Fig. 5: Optical characterization of SLG using dielectric metasurface. Data availability The data that support the plots within this paper and other findings of this study are available from the Cited by:   The spectroscopic analysis of large biomolecules is important in applications such as biomedical diagnostics and pathogen detection 1,2, and Cited by:

    Quantum dot based optical analysis techniques with high sensitivity and selectivity have been developed to detect anions in aqueous solution for environmental monitoring, medicinal diagnostics, and the analysis of biological samples and industrial processes. An Ultrasensitive Young Interferometer Handheld Sensor for Rapid Virus Detection Article (PDF Available) in Expert Review of Medical Devices 4(4) August with Reads.


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Optical methods for ultrasensitive detection and analysis Download PDF EPUB FB2

Optical Methods for Single Molecule Detection and Analysis. As analytical chemists, the highest resolution measurement one can make is at the single molecule level; it just does not get any better than that.

To determine the concentration of a molecule in solution, the best way is to count the number of molecules in a given by: Optical methods for ultrasensitive detection and analysis: techniques and applications: JanuaryLos Angeles, California Author: Bryan L Fearey ; Society of Photo-optical Instrumentation Engineers.

Modern optical methods of analysis by Eugene D Olsen (Author) › Visit Amazon's Eugene D Olsen Page. Find all the books, read about the author, and more.

See search results for this author. Are you an author. Learn about Author Central. Eugene D Olsen (Author) out of 5 stars 1 rating.

ISBN Cited by: Ultrasensitive detection of nonlabelled bovine serum albumin is performed in micro/nanofluidic chips using a photothermal optical phase shift (POPS) detection system. Currently, micro- and nanofluidics allow the analysis of various single cells, and their targets of interest are shifting Optical methods for ultrasensitive detection and analysis book nucleic acids to.

In recent twenty years, the optical methods have become more popular, especially the laser techniques. They have a great potential for detection and monitoring of the components. Ultrasensitive DNA detection was achieved using a new biosensing platform based on quantum dots (QDs) and total internal reflection fluorescence, which featured an exceptional detection limit of 3.

Virtually all optical methods for single molecule detection and analysis are indirect in that they are not detecting the molecule of interest but a label that is associated with the molecule. Single molecule optical methods are primarily based on fluorescence because of its intrinsic by: CdTe QD may undergo dipolar interaction with quinones as a result of broad spectral absorption due to multiple excitonic states resulting from quantum confinement effects.

Thus, “turn-off” fluorescence method was applied for ultrasensitive detection of polyphenols by using by: In summary, a method with a new all-fiber based biosensing platform has been developed for the ultrasensitive DNA detection and hybridization kinetics assay.

The achieved ultrasensitivity benefits from the exceptional optical properties of QD and from the advantages of the evanescent wave by: Single molecule detection with SERS were reported by Kneipp's group and Nie's group, indicating remarkable sensitivity of this method for ultrasensitive detection of desire compound.

In recent years, SERS has been applied for sensitive detection of various targets such as pesticides [76], [77], toxins [78], [79] and disease biomarkers [80 Cited by: PROCEEDINGS VOLUME Ultrasensitive and Single-Molecule Detection Technologies Advances in the development of a novel method to be used in proteomics using gold nanobeads Ultrasensitive detection in optically dense physiological media: applications to.

Optical Nanoprobes for Ultrasensitive Immunoassay. Ultrasensitive Detection of Protein with Wide Linear Dynamic Range Based on Core–Shell SERS Nanotags and Photonic Crystal Beads. Polydopamine nanoparticle-based multicolor proximity immunoassays for ultrasensitive, multiplexed analysis of proteins using isothermal quadratic by: Analyte binding analysis We used direct assays for detection and quantification of MI biomarkers.

Myoglobin, CK-MB, and cTnI samples were prepared with various concentrations between 1–, –, and –10 ng/ml, respectively in PBS, and injected over the Cited by: 9.

We report on the development of a quasi-simultaneous highly selective method for NO and NO2 detection at the ultratrace level. Atmospheric pressure laser ionization (APLI), recently introduced by our group, is used to detect both compounds at low parts per trillion by volume (pptv) mixing ratios.

APLI is based on resonance-enhanced multiphoton ionization mass by: A probe mediated SERS-based strategy is developed to selectively detect hydrazine with superb sensitivity. Ortho-phthaldialdehyde, a simple probe, reacts specifically with hydrazine to form phthalazine, a molecule that possesses a larger Raman cross section and better affinity toward the SERS substrate.

We observed a limit of detection of × 10–11 by:   Radiocarbon is rare, forming no more than one part per trillion of the total carbon content of the atmosphere. An optical method allows radiocarbon to be detected at Cited by: Posttranslational modification (PTM) of proteins is likely to be the most common mechanism of altering the expression of genetic information.

It is essential to characterize PTMs to establish a complete understanding of the activities of proteins. Here, we present a sensitive detection method using surface-enhanced Raman spectroscopy (SERS) that can detect PTMs from as little as zeptomoles of Cited by: Advanced optical methods for ultrasensitive detection: FebruarySan Jose, California Author: Bryan L Fearey ; Society of Photo-optical Instrumentation Engineers.

Cite this chapter as: Yin K. () An Ultrasensitive Colorimetric Biosensor for Copper Ion Detection. In: Design of Novel Biosensors for Optical Sensing and Their Applications in Environmental by: 1. Spectroscopic methods tend to exhibit an inverse correlation between sensitivity and the ability to discriminate between similar structures.

Were they obtainable with adequate sensitivity, magnetic resonance spectra could resolve structural controversies involving the nature of clusters, ions, semiconductor defects and catalytic : C. Bowers, Steve K. Buratto, Paul Carson, H. Cho, J. Hwang, L. Mueller, P. Pizarro, Davi.

The performance of current microfluidic methods for exosome detection is constrained by boundary conditions, as well as fundamental limits to microscale mass transfer and interfacial exosome by: The underlying physical principles of current single molecule detection methods include chemical [2][3][4], mechanical [5][6][7], electrical [8][9][10] and optical [11] [12][13][14][15][16 Author: David R.

Walt.A novel one-step signal amplified lateral flow strip (SA-LFS) is described for direct ultrasensitive and on-site detection of Hg 2+ based on the specific recognition system of thymine–Hg 2+ –thymine using gold nanoparticles (AuNPs) as labeling tags.

The signal was also amplified by hybridization induced dual labeling of AuNPs, which increased signal intensity of test line on by: