Personal information

Activities

Employment (1)

Cyprus University of Technology: Limassol, CY

2009-09-01 to present | Professor (Chemical Engineering)
Employment
Source: Self-asserted source
Constantinos Varotsis

Education and qualifications (1)

University of Cincinnati: Cincinnati, Ohio, US

1978-09-01 to 1985-06-01 | BS (Chemistry and Physics)
Education
Source: Self-asserted source
Constantinos Varotsis

Works (50 of 89)

Items per page:
Page 1 of 2

Microstructure-driven annihilation effects and dispersive excited state dynamics in solid-state films of a model sensitizer for photon energy up-conversion applications

Chemical Science
2023 | Journal article
Part of ISSN: 2041-6520
Part of ISSN: 2041-6539
Contributors: Hossein Goudarzi; Loukas Koutsokeras; Ahmed H. Balawi; Chen Sun; Giorgos K. Manolis; Nicola Gasparini; Yuan Peisen; Giannis Antoniou; Stavros ATHANASOPOULOS; Charalampos Tselios et al.
Source: Self-asserted source
Constantinos Varotsis

Probing the Fucoxanthin-Chlorophyll <i>a</i>/<i>c</i>-Binding Proteins (FCPs) of the Marine Diatom <i>Fragilariopsis</i> sp. by Resonance Raman Spectroscopy

The Journal of Physical Chemistry B
2023-10-26 | Journal article | Author
Part of ISSN: 1520-6106
Part of ISSN: 1520-5207
Contributors: CHARALAMPOS ANDREOU; Charalampos Tselios; Aristos Ioannou; Constantinos Varotsis
Source: Self-asserted source
Constantinos Varotsis

Application of double-pulse laser-induced breakdown spectroscopy (DP-LIBS), Fourier transform infrared micro-spectroscopy and Raman microscopy for the characterization of copper-sulfides

RSC Advances
2022 | Journal article
Part of ISSN: 2046-2069
Contributors: Constantinos Varotsis; Charalampos Tselios; Konstantinos A. Yiannakkos; Charalampos Andreou; Marios Papageorgiou; Antonis Nicolaides
Source: Self-asserted source
Constantinos Varotsis

Evidence for reversible light-dependent transitions in the photosynthetic pigments of diatoms

RSC Advances
2022 | Journal article
Part of ISSN: 2046-2069
Contributors: Charalampos Tselios; Constantinos Varotsis
Source: Self-asserted source
Constantinos Varotsis

Photoreduction of carotenoids in the aerobic anoxygenic photoheterotrophs probed by real time Raman spectroscopy

Journal of Photochemistry and Photobiology B: Biology
2020-12 | Journal article
Part of ISSN: 1011-1344
Contributors: Marios Papageorgiou; Charalampos Tselios; Constantinos Varotsis
Source: Self-asserted source
Constantinos Varotsis

Bacterial Colonization on the Surface of Copper Sulfide Minerals Probed by Fourier Transform Infrared Micro-Spectroscopy

Crystals
2020-11-05 | Journal article
Part of ISSN: 2073-4352
Contributors: Constantinos Varotsis; Marios Papageorgiou; Charalampos Tselios; Konstantinos A. Yiannakkos; Anastasia Adamou; Antonis Nicolaides
Source: Self-asserted source
Constantinos Varotsis

Reaction of Hemoglobin With the Schiff Base Intermediate of the Glucose/Asparagine Reaction: Formation of a Hemichrome

Polyphenols in Plants (Second Edition)
2019 | Book chapter
Source: Self-asserted source
Constantinos Varotsis

Discrete Ligand Binding and Electron Transfer Properties of <i>ba</i><sub>3</sub>-Cytochrome <i>c</i> Oxidase from <i>Thermus thermophilus</i>: Evolutionary Adaption to Low Oxygen and High Temperature Environments

Accounts of Chemical Research
2019-05-21 | Journal article | Author
Part of ISSN: 0001-4842
Part of ISSN: 1520-4898
Contributors: Constantinos Koutsoupakis; Tewfik Soulimane; Constantinos Varotsis
Source: Self-asserted source
Constantinos Varotsis

Bio-hydrometallurgy dynamics of copper sulfide-minerals probed by micro-FTIR mapping and Raman microspectroscopy

Minerals Engineering
2019-03-01 | Journal article
Source: Self-asserted source
Constantinos Varotsis

Reversible temperature-dependent high- to low-spin transition in the heme Fe–Cu binuclear center of cytochrome ba3 oxidase

RCS Advances
2019-02-06 | Journal article
Source: Self-asserted source
Constantinos Varotsis

Metal (Ag/Ti)-Containing Hydrogenated Amorphous Carbon Nanocomposite Films with Enhanced Nanoscratch Resistance: Hybrid PECVD/PVD System and Microstructural Characteristics

Nanomaterials
2018-03-30 | Journal article
Source: Self-asserted source
Constantinos Varotsis

Detection of Maillard reaction products by a coupled HPLC-Fraction collector technique and FTIR characterization of Cu(II)-complexation with the isolated species

Journal of Molecular Structure
2017 | Journal article
EID:

2-s2.0-85017452900

Contributors: Ioannou, A.; Daskalakis, V.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Modifications of hemoglobin and myoglobin by Maillard reaction products (MRPs)

PLOS ONE
2017-11-14 | Journal article
Source: Self-asserted source
Constantinos Varotsis

Nanosecond ligand migration and functional protein relaxation in ba<inf>3</inf> oxidoreductase: Structures of the B<inf>0</inf>, B<inf>1</inf> and B<inf>2</inf> intermediate states

Biochimica et Biophysica Acta - Bioenergetics
2016 | Journal article
EID:

2-s2.0-84975275022

Contributors: Nicolaides, A.; Soulimane, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

ns-µs time-resolved step-scan FTIR of ba<inf>3</inf> oxidoreductase from Thermus thermophilus: Protonic connectivity of w941-w946-w927

International Journal of Molecular Sciences
2016 | Journal article
EID:

2-s2.0-84991396062

Contributors: Nicolaides, A.; Soulimane, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Probing the whole ore chalcopyrite–bacteria interactions and jarosite biosynthesis by Raman and FTIR microspectroscopies

Bioresource Technology
2016 | Journal article
EID:

2-s2.0-84971665233

Contributors: Adamou, A.; Manos, G.; Messios, N.; Georgiou, L.; Xydas, C.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Alleviation of organic solvent inhibition with improved copper recovery from low grade sulphide ore by bioaugmentation with newly isolated Candida sp. OR3 and OR6

Minerals Engineering
2015 | Journal article
EID:

2-s2.0-84930630529

Contributors: Vyrides, I.; Xenofontos, E.; Tsolakidou, M.D.; Pantelides, I.S.; Varotsis, C.; Xydas, K.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Detection of functional hydrogen-bonded water molecules with protonated/deprotonated key carboxyl side chains in the respiratory enzyme ba<inf>3</inf>-oxidoreductase

Physical Chemistry Chemical Physics
2015 | Journal article
EID:

2-s2.0-84924872653

Contributors: Nicolaides, A.; Soulimane, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Nitric oxide activation by caa&lt;inf&gt;3&lt;/inf&gt; oxidoreductase from Thermus thermophilus

Physical Chemistry Chemical Physics
2015 | Journal article
EID:

2-s2.0-84927915348

Contributors: Ohta, T.; Soulimane, T.; Kitagawa, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Photobiochemical Production of Carbon Monoxide by Thermus thermophilus ba<inf>3</inf>-Cytochrome c Oxidase

Chemistry - A European Journal
2015 | Journal article
EID:

2-s2.0-84924720372

Contributors: Koutsoupakis, C.; Soulimane, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Structure and properties of the catalytic site of nitric oxide reductase at ambient temperature

Biochimica et Biophysica Acta - Bioenergetics
2015 | Journal article
EID:

2-s2.0-84936976682

Contributors: Daskalakis, V.; Ohta, T.; Kitagawa, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

The protein effect in the structure of two ferryl-oxo intermediates at the same oxidation level in the heme copper binuclear center of cytochrome c oxidase

Journal of Biological Chemistry
2013 | Journal article
EID:

2-s2.0-84880070588

Contributors: Pinakoulaki, E.; Daskalakis, V.; Ohta, T.; Richter, O.-M.H.; Budiman, K.; Kitagawa, T.; Ludwig, B.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Non-linear vibrational modes in biomolecules: A periodic orbits description

Chemical Physics
2012 | Journal article
EID:

2-s2.0-84861347395

Contributors: Kampanarakis, A.; Farantos, S.C.; Daskalakis, V.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Spectroscopic and kinetic investigation of the fully reduced and mixed valence states of ba3-cytochrome c oxidase from thermus thermophilus a fourier transform infrared (FTIR) and time-resolved step-scan FTIR study

Journal of Biological Chemistry
2012 | Journal article
EID:

2-s2.0-84868225731

Contributors: Koutsoupakis, C.; Soulimane, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

The origin of the Fe IV = O intermediates in cytochrome aa 3 oxidase

Biochimica et Biophysica Acta - Bioenergetics
2012 | Journal article
EID:

2-s2.0-84857920643

Contributors: Pinakoulaki, E.; Daskalakis, V.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Tuning heme functionality: The cases of cytochrome c oxidase and myoglobin oxidation

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
2012 | Book
EID:

2-s2.0-84863887827

Contributors: Daskalakis, V.; Farantos, S.C.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Probing protonation/deprotonation of tyrosine residues in cytochrome ba 3 oxidase from Thermus thermophilus by time-resolved step-scan fourier transform infrared spectroscopy

Journal of Biological Chemistry
2011 | Journal article
EID:

2-s2.0-80052220050

Contributors: Koutsoupakis, C.; Kolaj-Robin, O.; Soulimane, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Regulation of electron and proton transfer by the protein matrix of cytochrome C oxidase

Journal of Physical Chemistry B
2011 | Journal article
EID:

2-s2.0-79953290363

Contributors: Daskalakis, V.; Farantos, S.C.; Guallar, V.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Vibrational resonances and Cu<inf>B</inf> displacement controlled by proton motion in cytochrome c oxidase

Journal of Physical Chemistry B
2010 | Journal article
EID:

2-s2.0-75649151719

Contributors: Daskalakis, V.; Farantos, S.C.; Guallar, V.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

SMARTDIAB: A Communication and Information Technology Approach for the Intelligent Monitoring, Management and Follow-up of Type 1 Diabetes Patients

IEEE Transactions on Information Technology in Biomedicine
2010-05 | Journal article
Part of ISSN: 1089-7771
Part of ISSN: 1558-0032
Source: Self-asserted source
Constantinos Varotsis

Binding and docking interactions of NO, CO and O<inf>2</inf> in heme proteins as probed by density functional theory

International Journal of Molecular Sciences
2009 | Journal article
EID:

2-s2.0-70350044177

Contributors: Daskalakis, V.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Heme cavity dynamics of photodissociated CO from ba3-Cytochrome c oxidase: The role of ring-D propionate

Journal of Physical Chemistry B
2009 | Journal article
EID:

2-s2.0-69549114728

Contributors: Porrini, M.; Daskalakis, V.; Farantos, S.C.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Assigning vibrational spectra of ferryl-oxo intermediates of cytochrome c oxidase by periodic orbits and molecular dynamics

Journal of the American Chemical Society
2008 | Journal article
EID:

2-s2.0-51949092143

Contributors: Daskalakis, V.; Farantos, S.C.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Nitric oxide activation and reduction by heme-copper oxidoreductases and nitric oxide reductase

Journal of Inorganic Biochemistry
2008 | Journal article
EID:

2-s2.0-41949099150

Contributors: Pinakoulaki, E.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Resonance raman spectroscopy of nitric oxide reductase and cbb3 Heme-Copper oxidase

Journal of Physical Chemistry B
2008 | Journal article
EID:

2-s2.0-39849095399

Contributors: Pinakoulaki, E.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Probing the environment of Cu<inf>B</inf> in heme-copper oxidases

Journal of Physical Chemistry B
2007 | Journal article
EID:

2-s2.0-34548860098

Contributors: Daskalakis, V.; Pinakoulaki, E.; Stavrakis, S.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Protein dynamics and spectroscopy for ferryl intermediate of cytochrome c oxidase: A Molecular Dynamics approach

AIP Conference Proceedings
2007 | Conference paper
EID:

2-s2.0-71449124094

Contributors: Daskalakis, V.; Farantos, S.C.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

The structure of the hyponitrite species in a heme Fe-Cu binuclear center

Angewandte Chemie - International Edition
2007 | Journal article
EID:

2-s2.0-34250374882

Contributors: Varotsis, C.; Ohta, T.; Kitagawa, T.; Soulimane, T.; Pinakoulaki, E.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Characterization of a bimetallic-bridging intermediate in the reduction of NO to N2O: A density functional theory study

Inorganic Chemistry
2006 | Journal article
EID:

2-s2.0-33646412588

Contributors: Ohta, T.; Kitagawa, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Recognition and discrimination of gases by the oxygen-sensing signal transducer protein HemAT as revealed by FTIR spectroscopy

Biochemistry
2006 | Journal article
EID:

2-s2.0-33746912769

Contributors: Pinakoulaki, E.; Yoshimura, H.; Yoshioka, S.; Aono, S.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Two ligand-binding sites in the O<inf>2</inf>-sensing signal transducer HemAT: Implications for ligand recognition/discrimination and signaling

Proceedings of the National Academy of Sciences of the United States of America
2006 | Journal article
EID:

2-s2.0-33749504737

Contributors: Pinakoulaki, E.; Yoshimura, H.; Daskalakis, V.; Yoshioka, S.; Aono, S.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Detection of the His-heme Fe2+-NO species in the reduction of NO to N2O by ba3-oxidase from thermus thermophilus

Journal of the American Chemical Society
2005 | Journal article
EID:

2-s2.0-27544440507

Contributors: Pinakoulaki, E.; Ohta, T.; Soulimane, T.; Kitagawa, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Structural dynamics of heme-copper oxidases and nitric oxide reductases: Time-resolved step-scan Fourier transform infrared and time-resolved resonance Raman studies

Journal of Raman Spectroscopy
2005 | Journal article
EID:

2-s2.0-18444392444

Contributors: Pinakoulaki, E.; Koutsoupakis, C.; Stavrakis, S.; Aggelaki, M.; Papadopoulos, G.; Daskalakis, V.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Detection of a photostable five-coordinate heme a3-Fe-Co species and functional implications of His384/α10 in CO-bound ba 3-cytochrome c oxidase from Thermus thermophilus

Journal of Physical Chemistry B
2004 | Journal article
EID:

2-s2.0-2442719036

Contributors: Ohta, T.; Pinakoulaki, E.; Soulimane, T.; Kitagawa, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Probing the Q-Proton Pathway of ba3-Cytochrome c Oxidase by Time-Resolved Fourier Transform Infrared Spectroscopy

Biophysical Journal
2004 | Journal article
EID:

2-s2.0-1942487337

Contributors: Koutsoupakis, C.; Soulimane, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Resonance Raman detection of the Fe<sup>2+</sup>-C-N modes in heme-copper oxidases: A probe of the active site

Inorganic Chemistry
2004 | Journal article
EID:

2-s2.0-3843108952

Contributors: Pinakoulaki, E.; Vamvouka, M.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Simultaneous resonance Raman detection of the heme a<inf>3</inf>-Fe-CO and Cu<inf>B</inf>-CO species in CO-bound ba<inf>3</inf>-cytochrome c oxidase from Thermus thermophilus: Evidence for a charge transfer Cu<inf>B</inf>-CO transition

Journal of Biological Chemistry
2004 | Journal article
EID:

2-s2.0-2542460189

Contributors: Pinakoulaki, E.; Ohta, T.; Soulimane, T.; Kitagawa, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Time-resolved step-scan Fourier transform infrared investigation of heme-copper oxidases: Implications for O2 input and H 2O/H+ output channels

Biochimica et Biophysica Acta - Bioenergetics
2004 | Journal article
EID:

2-s2.0-1942504432

Contributors: Koutsoupakis, C.; Pinakoulaki, E.; Stavrakis, S.; Daskalakis, V.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Direct detection of Fe(IV)=O intermediates in the cytochrome aa3 oxidase from Paracoccus denitrificans[H2O2 reaction

Journal of Biological Chemistry
2003 | Journal article
EID:

2-s2.0-0038482073

Contributors: Pinakoulaki, E.; Pfitzner, U.; Ludwig, B.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier

Docking site dynamics of ba3-cytochrome c oxidase from Thermus thermophilus

Journal of Biological Chemistry
2003 | Journal article
EID:

2-s2.0-0141814916

Contributors: Koutsoupakis, C.; Soulimane, T.; Varotsis, C.
Source: Self-asserted source
Constantinos Varotsis via Scopus - Elsevier
Items per page:
Page 1 of 2

Peer review (1 review for 1 publication/grant)

Review activity for The journal of physical chemistry letters. (1)