George C Papageorgiou
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Explore the profile of George C Papageorgiou including associated specialties, affiliations and a list of published articles.
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17
Citations
299
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Recent Articles
1.
Vayenos D, Romanos G, Papageorgiou G, Stamatakis K
Photosynth Res
. 2020 Apr;
146(1-3):235-245.
PMID: 32301003
Sucrose, a compatible osmolyte in cyanobacteria, functions both as an energy reserve and as osmoprotectant. Sugars are the most common substrates used by microorganisms to produce hydrogen (H) by means...
2.
Govindjee , Papageorgiou G, Govindjee R
Photosynth Res
. 2019 May;
141(2):143-150.
PMID: 31062217
More than 45 years have passed since Eugene I. Rabinowitch died, on May 15, 1973, at the age of 75, but many still remember him as a photosynthesis giant, the...
3.
Stamatakis K, Broussos P, Panagiotopoulou A, Gast R, Pelecanou M, Papageorgiou G
Biochim Biophys Acta Bioenerg
. 2018 Nov;
1860(1):102-110.
PMID: 30414926
Light state transitions (STs) is a reversible physiological process that oxygenic photosynthetic organisms use in order to minimize imbalances in the electronic excitation delivery to the reaction centers of Photosystems...
4.
Govindjee , Munday Jr J, Papageorgiou G
Photosynth Res
. 2017 May;
132(3):227-234.
PMID: 28523606
We present here a Tribute to Frederick Yi-Tung Cho (1939-2011), an innovative and ingenious biophysicist and an entrepreneur. He was one of the 4 earliest PhD students [see: Cederstrand (1965)-Carl...
5.
Stamatakis K, Vayenos D, Kotakis C, Gast R, Papageorgiou G
Biochim Biophys Acta Bioenerg
. 2016 Dec;
1858(2):189-195.
PMID: 27940021
The haptophyte Phaeocystis antarctica and the novel Ross Sea dinoflagellate that hosts kleptoplasts derived from P. antarctica (RSD; R.J. Gast et al., 2006, J. Phycol. 42 233-242) were compared for...
6.
Stamatakis K, Papageorgiou G, Govindjee
Photosynth Res
. 2016 Apr;
130(1-3):317-324.
PMID: 27034066
Singlet-excited oxygen (O ) has been recognized as the most destructive member of the reactive oxygen species (ROS) which are formed during oxygenic photosynthesis by plants, algae, and cyanobacteria. ROS...
7.
Stamatakis K, Papageorgiou G
Plant Physiol Biochem
. 2014 May;
81:184-9.
PMID: 24793104
Light-induced and lumen acidity-dependent quenching (qE) of excited chlorophylls (Chl) in vivo has been amply documented in plants and algae, but not in cyanobacteria, using primarily the saturation pulse method...
8.
Stamatakis K, Tsimilli-Michael M, Papageorgiou G
Plant Physiol Biochem
. 2014 Feb;
81:121-7.
PMID: 24529497
β-Carotene is the only carotenoid present in the core complexes of Photosystems I and II. Its proximity to chlorophyll a molecules enables intermolecular electronic interactions, including β-carotene to chlorophyll a...
9.
Kana R, Kotabova E, Komarek O, Sediva B, Papageorgiou G, Govindjee , et al.
Biochim Biophys Acta
. 2012 Mar;
1817(8):1237-47.
PMID: 22402228
In dark-adapted plants and algae, chlorophyll a fluorescence induction peaks within 1s after irradiation due to well documented photochemical and non-photochemical processes. Here we show that the much slower fluorescence...
10.
Papageorgiou G, Govindjee
J Photochem Photobiol B
. 2011 May;
104(1-2):258-70.
PMID: 21530301
With the advent of photoelectric devices (photocells, photomultipliers) in the 1930s, fluorometry of chlorophyll (Chl) a in vivo emerged as a major method in the science of photosynthesis. Early researchers...