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Volumn 75, Issue 7, 2010, Pages 2169-2178

Highly sensitive water-soluble fluorescent pH sensors based on the 7-amino-l-methylquinolinium chromophore

Author keywords

[No Author keywords available]

Indexed keywords

DISSOCIATION CONSTANT; FLUORESCENCE ENHANCEMENT; FLUORESCENCE QUANTUM YIELD; HIGH YIELD; HIGHLY SENSITIVE; LOCALLY EXCITED STATE; LOW RATES; PHOTOPHYSICS; PROTONATED; QUENCHING PROCESS; SEMI-EMPIRICAL; SENSOR CHARACTERISTICS;

EID: 77950327519     PISSN: 00223263     EISSN: 15206904     Source Type: Journal    
DOI: 10.1021/jo902225k     Document Type: Article
Times cited : (42)

References (74)
  • 1
    • 0004240038 scopus 로고    scopus 로고
    • Feringa, B. L., Ed.; Wiley-VCH: Weinheim, Germany
    • (a) Molecular Switches; Feringa, B. L., Ed.; Wiley-VCH: Weinheim, Germany, 2001.
    • (2001) Molecular Switches
  • 43
    • 63849343239 scopus 로고    scopus 로고
    • A*, is determined. This is true under the assumption that excited state proton transfer (ESPT) is faster than fluorescence, which is generally the case, see
    • A*, is determined. This is true under the assumption that excited state proton transfer (ESPT) is faster than fluorescence, which is generally the case, see: Kaneko S.; Yotoriyama, S.; Koda, H.; Tobita, S. J. Phys. Chem. A 2009, 113, 3021-3028.
    • (2009) Phys. Chem. A , vol.113 , pp. 3021-3028
    • Kaneko, S.1    Yotoriyama, S.2    Koda, H.3    Tobita, S.J.4
  • 47
    • 77950328521 scopus 로고    scopus 로고
    • Bichromophoric compounds are synthesized efficiently, when 1 reacts with 0.5 equiv of 1,2-ethylenediamine, 1,3-propylenediamine, or 1,4butylenediamine. Isolated yields were 75%, 83%, and 85%, respectively.
    • Bichromophoric compounds are synthesized efficiently, when 1 reacts with 0.5 equiv of 1,2-ethylenediamine, 1,3-propylenediamine, or 1,4butylenediamine. Isolated yields were 75%, 83%, and 85%, respectively.
  • 48
    • 77950325822 scopus 로고    scopus 로고
    • In all cases the emission intensity has decreased to ∼95% of the original value after the forward and backward titration. This decrease in emission is most likely due to dilution.
    • In all cases the emission intensity has decreased to ∼95% of the original value after the forward and backward titration. This decrease in emission is most likely due to dilution.
  • 54
    • 77950308197 scopus 로고    scopus 로고
    • For 9-aminomethylanthracene a fluorescence enhancement of 0.4 has been reported. This compound has a Cl spacer and the estimated excited state reduction potential for the anthracene chromophore is -1.36 eV, see Ref 30.
    • For 9-aminomethylanthracene a fluorescence enhancement of 0.4 has been reported. This compound has a Cl spacer and the estimated excited state reduction potential for the anthracene chromophore is -1.36 eV, see Ref 30.
  • 55
    • 77950325483 scopus 로고    scopus 로고
    • abs shifts linearly with the composition.
    • abs shifts linearly with the composition.
  • 56
    • 77950324939 scopus 로고    scopus 로고
    • - quenching.
    • - quenching.
  • 57
    • 77950320499 scopus 로고    scopus 로고
    • See ref 2a, Chapters 8.
    • See ref 2a, Chapters 8.
  • 60
    • 77950308730 scopus 로고    scopus 로고
    • red are versus the standard hydrogen electrode (SHE)
    • red are versus the standard hydrogen electrode (SHE).
  • 65
    • 77950318203 scopus 로고    scopus 로고
    • It should be noted that calculated absorption maxima are in vacuum, whereas experiments were performed in water.
    • It should be noted that calculated absorption maxima are in vacuum, whereas experiments were performed in water.
  • 69
    • 77950307367 scopus 로고    scopus 로고
    • A similar deprotonation of Nl in NBD systems that results in additional quenching at high pH values has been reported. In this case, however, deprotonation occurs in the ground state see ref 20.
    • A similar deprotonation of Nl in NBD systems that results in additional quenching at high pH values has been reported. In this case, however, deprotonation occurs in the ground state see ref 20.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.