TITLE

A laser diode fluorometer for field measurements of the F685/F730 chlorophyll fluorescence ratio

AUTHOR(S)
Mazzinghi, P.
PUB. DATE
October 1996
SOURCE
Review of Scientific Instruments;Oct96, Vol. 67 Issue 10, p3737
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Discusses a laser diode fluorometer for field measurements of the chlorophyll fluorescence ratio. Instrument description; Examples of applications and operational procedures; Applications on plant physiology and stress detection.
ACCESSION #
4295532

 

Related Articles

  • Multiplexed single-photon counting. II. The statistical theory of time-correlated measurements. Suhling, K.; McLoskey, D.; Birch, D.J.S. // Review of Scientific Instruments;Jun96, Vol. 67 Issue 6, p2238 

    Presents the statistical theory governing the operation of multiplexed time-correlated single-photon counting fluorometers which incorporate multiple detection channels and a single time-to-amplitude converter. Mapping of the overall data collection probability in terms of the start repetition...

  • A 10-GHz frequency-domain fluorometer. Laczko, Gabor; Gryczynski, Ignacy; Gryczynski, Zygmunt; Wiczk, Wieslaw; Malak, Henryk; Lakowicz, Joseph R. // Review of Scientific Instruments;Sep90, Vol. 61 Issue 9, p2331 

    We describe the design and performance of a 10-GHz harmonic-content frequency-domain fluorometer. The modulated excitation is provided by the harmonic content of a train of ps pulses. High-speed and/or high-frequency detection was attained with a triode-type microchannel plate photomultiplier...

  • NEW INSTRUMENTS.  // Review of Scientific Instruments;Feb1997, Vol. 68 Issue 2, p1350 

    Features several scientific instruments. Includes On-Line Instrument Systems Inc.'s RMS 1000 F spectrofluorometer; Colorado Video Inc.'s 619 cross-hair generator and 619YY dual-vertical-line generator; MKS Instruments's Type 1679B mass-flow controller.

  • A luminescence lifetime assisted ratiometric fluorimeter for biological applications. Lam, Hung; Kostov, Yordan; Rao, Govind; Tolosa, Leah // Review of Scientific Instruments;Dec2009, Vol. 80 Issue 12, p124302 

    In general, the most difficult task in developing devices for fluorescence ratiometric sensing is the isolation of signals from overlapping emission wavelengths. Wavelength discrimination can be achieved by using monochromators or bandpass filters, which often lead to decreased signal...

  • A CdS photoconductivity gas sensor as an analytical tool for detection and analysis of hazardous gases in the environment. Miremadi, Bijan K.; Colbow, Konrad; Harima, Yutaka // Review of Scientific Instruments;Oct97, Vol. 68 Issue 10, p3898 

    Develops a highly sensitive gas sensor for detection and analytical identification of hazardous gases, by depositing partially crystalline powder from an aqueous suspension of CdS powder on an alumina substrate. Sample preparation; Schematic diagram of the apparatus and measuring system;...

  • Projecting two-axis nanometer scale displacement of microscopic beads onto a quadrant photodetector with a laser beam Li, Daqun; Schnapp, Bruce J. // Review of Scientific Instruments;Oct97, Vol. 68 Issue 10, p3920 

    Reports that a quadrant photodetector has been added onto a custom differential interference contrast microscope to measure two-axis displacement of silica beads with a noise below 150 Hz. Incorporation of a diode-pumped solid-state laser to function as an optical trap for motility studies of...

  • 20-l explosibility test chamber for dusts and gases. Cashdollar, Kenneth L.; Hertzberg, Martin // Review of Scientific Instruments;Apr1985, Vol. 56 Issue 4, p596 

    The Bureau of Mines has designed a 20-l test chamber for the explosibility testing of dusts, gases, and their mixtures. It can be used to measure lean and rich limits of flammability, explosion pressures and rates of pressure rise, minimum ignition energies, minimum oxygen concentrations for...

  • Laboratory-scale controlled-atmosphere chamber for use with premium coal samples. Filla, B. James; Callanan, Jane E. // Review of Scientific Instruments;Apr1985, Vol. 56 Issue 4, p592 

    The recent availability of premium coal samples makes it desirable to have the capability for working with these materials, in one’s own laboratory, in an atmosphere which can be controlled. A controlled-atmosphere chamber, large enough to allow for processing samples yet small enough to...

  • Rotor electrometer: New instrument for bulk matter quark search experiments. Price, John C.; Innes, Walter; Klein, Spencer; Perl, Martin // Review of Scientific Instruments;Nov86, Vol. 57 Issue 11, p2691 

    The rotor electrometer is a new instrument which we hope will make possible searches for rare fractionally charged impurities in very large quantities of matter. The ultimate goal of the project is to be able to measure the net charge of 10 mg samples of any material to an accuracy of 0.05 q[sub...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics