The Resource CCVJ's fluorescence lifetime as a viscosity measurement tool and its possible application as a tunable picoseconds reference lifetime standard, by Sasson Haviv, (electronic resource)

CCVJ's fluorescence lifetime as a viscosity measurement tool and its possible application as a tunable picoseconds reference lifetime standard, by Sasson Haviv, (electronic resource)

Label
CCVJ's fluorescence lifetime as a viscosity measurement tool and its possible application as a tunable picoseconds reference lifetime standard
Title
CCVJ's fluorescence lifetime as a viscosity measurement tool and its possible application as a tunable picoseconds reference lifetime standard
Statement of responsibility
by Sasson Haviv
Creator
Contributor
Thesis advisor
Subject
Genre
Language
eng
Summary
9-(2-carboxy-2-cyanovinyl) julolidine (CCVJ, a molecular rotor) was shown to perform as a viscosity sensitive probe. Using steady state spectroscopy, CCVJ was shown to have decreased emission intensity as the environmental viscosity decreased. The major disadvantage of this method is errors arising from concentration inaccuracies. A potential solution to this problem is to use time resolved spectroscopy to measure the fluorescence lifetime of CCVJ as a function of its environment's viscosity (the measured fluorescent lifetime is independent of concentration). Time resolved studies revealed that CCVJ exhibits a single exponential decay [vtau] which decreases with lower viscosity. A power law model that describes the fluorescence lifetime as a function of viscosity was obtained Y=0.02022[multiply]X[logical]0.4988 where R[logical]2=0.9932. It was also found that CCVJ's characteristics make it a perfect candidate to be used as a tunable picoseconds fluorescence lifetime standard. Its fluorescence lifetime varies between 0.62-0.1 nanoseconds for viscosities between 945 -13.35 mPa[multiply]s, respectively and the single exponential decay is independent of excitation wavelength. CCVJ is commercially available and can be used without further purification. Four dyes of known lifetimes were successfully measured using CCVJ in 5 different viscosities as reference lifetime standards
Cataloging source
MUU
http://library.link/vocab/creatorName
Haviv, Sasson
Degree
M.S.
Dissertation year
2007.
Granting institution
University of Missouri-Columbia
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
  • theses
http://library.link/vocab/relatedWorkOrContributorName
Haidekker, Mark A.
http://library.link/vocab/subjectName
  • Molecular rotation
  • Viscosity
  • Fluorescence
Target audience
specialized
Label
CCVJ's fluorescence lifetime as a viscosity measurement tool and its possible application as a tunable picoseconds reference lifetime standard, by Sasson Haviv, (electronic resource)
Instantiates
Publication
Note
  • The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file
  • Title from title screen of research.pdf file (viewed on November 11, 2008)
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier
Color
mixed
Content category
text
Content type code
txt
Content type MARC source
rdacontent
Control code
271011872
Dimensions
unknown
Form of item
electronic
Media category
computer
Media MARC source
rdamedia
Media type code
c
Specific material designation
remote
System control number
(OCoLC)271011872
System details
Mode of access: World Wide Web
Label
CCVJ's fluorescence lifetime as a viscosity measurement tool and its possible application as a tunable picoseconds reference lifetime standard, by Sasson Haviv, (electronic resource)
Publication
Note
  • The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file
  • Title from title screen of research.pdf file (viewed on November 11, 2008)
Bibliography note
Includes bibliographical references
Carrier category
online resource
Carrier category code
cr
Carrier MARC source
rdacarrier
Color
mixed
Content category
text
Content type code
txt
Content type MARC source
rdacontent
Control code
271011872
Dimensions
unknown
Form of item
electronic
Media category
computer
Media MARC source
rdamedia
Media type code
c
Specific material designation
remote
System control number
(OCoLC)271011872
System details
Mode of access: World Wide Web

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