[HTML][HTML] Fluorescence line narrowing applied to the study of proteins

J Fidy, M Laberge, AD Kaposi… - Biochimica et Biophysica …, 1998 - Elsevier
Fluorescence line narrowing is a high resolution spectroscopic technique that uses low
temperature and laser excitation to optically select specific subpopulations from the …

[HTML][HTML] The two spectroscopically different short wavelength protochlorophyllide forms in pea epicotyls are both monomeric

B Böddi, K Kis-Petik, AD Kaposi, J Fidy… - Biochimica et Biophysica …, 1998 - Elsevier
The spectral properties of the protochlorophyllide forms in the epicotyls of dark-grown pea
seedlings have been studied in a temperature range, from 10 to 293 K with conventional …

Spectral Splitting in the α (Q0,0) Absorption Band of Ferrous Cytochrome c and Other Heme Proteins

KS Reddy, PJ Angiolillo, WW Wright, M Laberge… - Biochemistry, 1996 - ACS Publications
The α or Q 0, 0 absorption band of horse iron (II) cytochrome c splits and shifts to the blue as
temperature decreases over the temperature range of 290− 10 K. At room temperature, its …

Native and denatured Zn cytochrome c studied by fluorescence line narrowing spectroscopy

V Logovinsky, AD Kaposi, JM Vanderkooi - Biochimica et Biophysica Acta …, 1993 - Elsevier
Abstract Fluorescence Line Narrowing (FLN) spectroscopy was employed to compare the
environment around the porphyrin in folded and unfolded Zn-substituted cytochrome c (Zn …

Optical fine-structure investigation of porphyrin-protein interactions: magnesium and metal-free myoglobin

AD Kaposi, J Fidy, SS Stavrov… - The Journal of Physical …, 1993 - ACS Publications
Fluorescence line-narrowing spectroscopy was used to evaluate the true 0, 0 band shape
from the population distribution of the 0, 0 spectral band and to determine the excited-state …

Vibronic energy map and excited state vibrational characteristics of magnesium myoglobin determined by energy-selective fluorescence.

AD Kaposi, JM Vanderkooi - Proceedings of the National …, 1992 - National Acad Sciences
The vibrational frequencies of the singlet excited state of Mg-substituted myoglobin and
relative absorption probabilities were determined by fluorescence line-narrowing …

[HTML][HTML] In situ detection of ALA-stimulated porphyrin metabolic products in Escherichia coli B by fluorescence line narrowing spectroscopy

K Szőcs, G Csık, AD Kaposi, J Fidy - Biochimica et Biophysica Acta (BBA) …, 2001 - Elsevier
In a recent work [Photochem. Photobiol. B: Biol. 50 (1999) 8] the successful photodynamic
inactivation of Escherichia coli bacteria by visible light was reported based on δ …

Zinc-substituted hemoglobins: α-and β-chain differences monitored by high-resolution emission spectroscopy

K Sudhakar, M Laberge, A Tsuneshige… - Biochemistry, 1998 - ACS Publications
The absorption and emission properties of hybrid Zn-substituted human hemoglobin (Hb)
were used to monitor differences in interaction between the porphyrin and the polypeptide …

Fluorescence line narrowing spectroscopy of Zn porphyrins

V Logovinsky, AD Kaposi… - Photochemistry and …, 1993 - Wiley Online Library
Fluorescence line narrowing (FLN) spectroscopy was used to study the vibrational features
of Zn porphyrins, including Zn octaethylporphine, Zn mesoporphyrin, Zn deuteroporphyrin …

Protein conformation monitored by energy-selective optical spectroscopy

JM Vanderkooi, A Kaposi, J Fidy - Trends in biochemical sciences, 1993 - Elsevier
Fluctuations in the polypeptide chain lead to disorder in proteins and to a distribution in the
parameters that regulate their functions. Using low temperature (to reduce the fluctuations) …