1
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Mexis D, Nomikos T, Mitsopoulos N, Kostopoulos N. Effect of a 6-Week Preseason Training Protocol on Physiological and Muscle Damage Markers in High-Level Female and Male Basketball Players. Sports (Basel) 2023; 11:229. [PMID: 37999446 PMCID: PMC10674927 DOI: 10.3390/sports11110229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 11/05/2023] [Accepted: 11/08/2023] [Indexed: 11/25/2023] Open
Abstract
This study aimed to investigate the effects of a 6-week preseason functional and plyometric fitness training protocol, on physiological and biochemical markers of performance and exercise-induced muscle damage, and to compare the response of these markers between high-level female and male basketball players. The sample of the study consisted of 19 professional athletes (10 male; 9 female) competing in two different teams. The examined markers were body mass, BMI, fat percentage, speed, acceleration, explosiveness, vertical jumping ability, creatine kinase (CK) and lactate dehydrogenase (LDH). The preseason training period improved speed, acceleration, explosiveness and vertical jumping ability (~1-8%) and led to significant fat percentage reductions in both groups equivalently. CK and LDH increased similarly in both groups, and the percentage increases were higher for CK compared to LDH. Further investigation and a larger sample size are required in order to determine an approach that is more capable of maximizing performance without causing any possible injuries that may be related to muscle damage.
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Affiliation(s)
- Dimitrios Mexis
- School of Physical Education and Sport Science, Department of Physical Education and Sport Science, National and Kapodistrian University of Athens, 17237 Athens, Greece; (D.M.); (N.M.)
| | - Tzortzis Nomikos
- School of Health Sciences and Education, Department of Nutrition and Dietetics, Harokopio University, 17676 Athens, Greece;
| | - Nikolaos Mitsopoulos
- School of Physical Education and Sport Science, Department of Physical Education and Sport Science, National and Kapodistrian University of Athens, 17237 Athens, Greece; (D.M.); (N.M.)
| | - Nikolaos Kostopoulos
- School of Physical Education and Sport Science, Department of Physical Education and Sport Science, National and Kapodistrian University of Athens, 17237 Athens, Greece; (D.M.); (N.M.)
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2
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Pichereau L, Fillaud L, Kostopoulos N, Maisonhaute E, Cauchy T, Allain M, Noël JM, Gautier C, Breton T. Highly Reactive Diazenyl Radical Species Evidenced during Aryldiazonium Electroreduction. J Phys Chem Lett 2022; 13:11866-11871. [PMID: 36520548 DOI: 10.1021/acs.jpclett.2c03089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
We report the experimental reassessment of the widely admitted concerted reduction mechanism for diazonium electroreduction. Ultrafast cyclic voltammetry was exploited to demonstrate the existence of a stepwise pathway, and real-time spectroelectrochemistry experiments allowed visualization of the spectral signature of an evolution product of the phenyldiazenyl radical intermediate. Unambiguous identification of the diazenyl species was achieved by radical trapping followed by X-ray structure resolution. The electrochemical generation of this transient under intermediate energetic conditions calls into question our comprehension of the layer structuration when surface modification is achieved via the diazonium electrografting technique as this azo-containing intermediate could be responsible for the systematic presence of azo bridges in nanometric films.
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Affiliation(s)
- Laure Pichereau
- Université Angers, CNRS, MOLTECH-Anjou, SFR MATRIX, F-49000 Angers, France
| | - Laure Fillaud
- Sorbonne Université, CNRS, Laboratoire Interfaces et Systèmes Electrochimiques, 4 Place Jussieu, 75005 Paris, France
| | | | - Emmanuel Maisonhaute
- Sorbonne Université, CNRS, Laboratoire Interfaces et Systèmes Electrochimiques, 4 Place Jussieu, 75005 Paris, France
| | - Thomas Cauchy
- Université Angers, CNRS, MOLTECH-Anjou, SFR MATRIX, F-49000 Angers, France
| | - Magali Allain
- Université Angers, CNRS, MOLTECH-Anjou, SFR MATRIX, F-49000 Angers, France
| | - Jean-Marc Noël
- Université Paris Cité, ITODYS, CNRS, F-75013, Paris, France
| | - Christelle Gautier
- Université Angers, CNRS, MOLTECH-Anjou, SFR MATRIX, F-49000 Angers, France
| | - Tony Breton
- Université Angers, CNRS, MOLTECH-Anjou, SFR MATRIX, F-49000 Angers, France
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3
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Theodorou AS, Rizou HP, Zacharakis E, Ktistakis I, Bekris E, Panoutsakopoulos V, Strouzas P, Bourdas DI, Kostopoulos N. Pivot Step Jump: A New Test for Evaluating Jumping Ability in Young Basketball Players. J Funct Morphol Kinesiol 2022; 7:jfmk7040116. [PMID: 36547662 PMCID: PMC9783850 DOI: 10.3390/jfmk7040116] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
Jumping ability in basketball is usually assessed using standardized vertical jump tests. However, they lack specificity and do not consider the player’s basketball skills. Several studies have suggested performing specific jump tests, which are tailored to the movement patterns and requirements of a basketball game. The pivot step jump test (PSJT) is a novel test designed to evaluate the specific jumping abilities of basketball players by combining a pivot step on one leg with a maximum bilateral vertical jump. This study had two aims: to determine the reliability and validity of the PSJT using typical jump tests as the criterion measure and to demonstrate the PSJT as a practical test to evaluate specific jumping ability in young male and female basketball players. Twenty female (EGA; 14.0 ± 0.7 years, 59.3 ± 7.9 kg, 162.1 ± 5.5 cm) and fifteen male (EGB; 14.0 ± 0.7 years, 58.1 ± 7.7 kg, 170.3 ± 6.4 cm) basketball players participated in the study. The test−retest reliability of the PSJT within sessions (intrasession reliability) and across sessions (intersession reliability) was assessed within EGA. For the evaluation of validity, EGB performed the PSJT and a series of criterion jumping tests. For EGA, no changes (p > 0.05) were found in PSJT performance between test sessions and excellent intra- and intersession reliability was observed (ICCs > 0.75). Correlation coefficients indicated high factorial validity between the jumping tests and PSJT (r = 0.71−0.91, p < 0.001). The PSJT appears to offer a valid assessment of jumping ability in basketball and is a practical test for assessing sport-specific jumping skills in young basketball players.
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Affiliation(s)
- Apostolos S. Theodorou
- School of Physical Education & Sport Sciences (TEFAA), National and Kapodistrian University of Athens, Dafni, 17237 Athens, Greece
- Correspondence: ; Tel.: +30-210-727-6175
| | - Hariklia-Parthenia Rizou
- School of Physical Education & Sport Sciences (TEFAA), National and Kapodistrian University of Athens, Dafni, 17237 Athens, Greece
| | - Emmanouil Zacharakis
- School of Physical Education & Sport Sciences (TEFAA), National and Kapodistrian University of Athens, Dafni, 17237 Athens, Greece
| | - Ioannis Ktistakis
- School of Physical Education & Sport Sciences (TEFAA), National and Kapodistrian University of Athens, Dafni, 17237 Athens, Greece
| | - Evangelos Bekris
- School of Physical Education & Sport Sciences (TEFAA), National and Kapodistrian University of Athens, Dafni, 17237 Athens, Greece
| | - Vassilios Panoutsakopoulos
- Biomechanics Laboratory, School of Physical Education and Sports Sciences at Thessaloniki, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Panagiotis Strouzas
- School of Physical Education & Sport Sciences (TEFAA), National and Kapodistrian University of Athens, Dafni, 17237 Athens, Greece
| | - Dimitrios I. Bourdas
- School of Physical Education & Sport Sciences (TEFAA), National and Kapodistrian University of Athens, Dafni, 17237 Athens, Greece
| | - Nikolaos Kostopoulos
- School of Physical Education & Sport Sciences (TEFAA), National and Kapodistrian University of Athens, Dafni, 17237 Athens, Greece
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4
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Dorchies F, Serva A, Crevel D, De Freitas J, Kostopoulos N, Robert M, Sel O, Salanne M, Grimaud A. Controlling the Hydrophilicity of the Electrochemical Interface to Modulate the Oxygen-Atom Transfer in Electrocatalytic Epoxidation Reactions. J Am Chem Soc 2022; 144:22734-22746. [PMID: 36468903 DOI: 10.1021/jacs.2c10764] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
The electrocatalytic epoxidation of alkenes at heterogeneous catalysts using water as the sole oxygen source is a promising safe route toward the sustainable synthesis of epoxides, which are essential building blocks in organic chemistry. However, the physicochemical parameters governing the oxygen-atom transfer to the alkene and the impact of the electrolyte structure on the epoxidation reaction are yet to be understood. Here, we study the electrocatalytic epoxidation of cyclooctene at the surface of gold in hybrid organic/aqueous mixtures using acetonitrile (ACN) solvent. Gold was selected, as in ACN/water electrolytes gold oxide is formed by reactivity with water at potentials less anodic than the oxygen evolution reaction (OER). This unique property allows us to demonstrate that a sacrificial mechanism is responsible for cyclooctene epoxidation at metallic gold surfaces, proceeding through cyclooctene activation, while epoxidation at gold oxide shares similar reaction intermediates with the OER and proceeds via the activation of water. More importantly, we show that the hydrophilicity of the electrode/electrolyte interface can be tuned by changing the nature of the supporting salt cation, hence affecting the reaction selectivity. At low overpotential, hydrophilic interfaces formed using strong Lewis acid cations are found to favor gold passivation. Instead, hydrophobic interfaces created by the use of large organic cations favor the oxidation of cyclooctene and the formation of epoxide. Our study directly demonstrates how tuning the hydrophilicity of electrochemical interfaces can improve both the yield and selectivity of anodic reactions at the surface of heterogeneous catalysts.
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Affiliation(s)
- Florian Dorchies
- Chimie du Solide et de l'Energie, UMR 8260, Collège de France, 75231Paris Cedex 05, France.,Réseau sur le stockage Electrochimique de l'Energie (RS2E), CNRS FR3459, 80039Amiens Cedex, France
| | - Alessandra Serva
- Réseau sur le stockage Electrochimique de l'Energie (RS2E), CNRS FR3459, 80039Amiens Cedex, France.,Sorbonne Université, CNRS, Physicochimie des Électrolytes et Nanosystèmes Interfaciaux, PHENIX, F-75005Paris, France
| | - Dorian Crevel
- Réseau sur le stockage Electrochimique de l'Energie (RS2E), CNRS FR3459, 80039Amiens Cedex, France.,Université Paris-Saclay, Univ Evry, CNRS, LAMBE, 91025Evry-Courcouronnes, France
| | - Jérémy De Freitas
- Laboratoire d'Electrochimie Moléculaire, Université de Paris, CNRS, F-75006Paris, France
| | - Nikolaos Kostopoulos
- Laboratoire d'Electrochimie Moléculaire, Université de Paris, CNRS, F-75006Paris, France
| | - Marc Robert
- Laboratoire d'Electrochimie Moléculaire, Université de Paris, CNRS, F-75006Paris, France.,Institut Universitaire de France (IUF), 75231Paris, France
| | - Ozlem Sel
- Chimie du Solide et de l'Energie, UMR 8260, Collège de France, 75231Paris Cedex 05, France.,Réseau sur le stockage Electrochimique de l'Energie (RS2E), CNRS FR3459, 80039Amiens Cedex, France
| | - Mathieu Salanne
- Réseau sur le stockage Electrochimique de l'Energie (RS2E), CNRS FR3459, 80039Amiens Cedex, France.,Sorbonne Université, CNRS, Physicochimie des Électrolytes et Nanosystèmes Interfaciaux, PHENIX, F-75005Paris, France.,Institut Universitaire de France (IUF), 75231Paris, France
| | - Alexis Grimaud
- Chimie du Solide et de l'Energie, UMR 8260, Collège de France, 75231Paris Cedex 05, France.,Réseau sur le stockage Electrochimique de l'Energie (RS2E), CNRS FR3459, 80039Amiens Cedex, France.,Department of Chemistry, Merkert Chemistry Center, Boston College, 2609 Beacon Street, Chestnut Hill, Massachusetts02467, United States
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5
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Mendoza D, Dong ST, Kostopoulos N, Pinty V, Rivada-Wheelaghan O, Anxolabéhère-Mallart E, Robert M, Lassalle-Kaiser B. In situ X‐ray absorption spectroscopy in homogeneous conditions reveals interactions between CO2 and a doubly and triply reduced iron(III) porphyrin, then leading to catalysis. ChemCatChem 2022. [DOI: 10.1002/cctc.202201298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Affiliation(s)
- Daniela Mendoza
- Synchrotron SOLEIL Science Division L'Orme des MerisiersRoute départementale 128 91190 Saint-Aubin FRANCE
| | - Si-Thanh Dong
- Synchrotron SOLEIL Science Division L'Orme des MerisiersRoute départementale 128 91190 Saint-Aubin FRANCE
| | - Nikolaos Kostopoulos
- Universite de Paris UFR de Chimie Laboratoire d'Electrochimie Moléculaire 75013 Paris FRANCE
| | - Victor Pinty
- Synchrotron SOLEIL Accelerator and engineering L'Orme des MerisiersRoute départementale 128 91190 Saint-Aubin FRANCE
| | | | | | - Marc Robert
- Universite de Paris UFR de Chimie Laboratoire d'Electrochimie Moléculaire 75013 Paris FRANCE
| | - Benedikt Lassalle-Kaiser
- Synchrotron SOLEIL Science Division L'Orme des MerisiersRoute départementale 128 91190 Saint-Aubin FRANCE
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6
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Kostopoulos N, Bedgi S, Krimitza E, Costabile F, Paydar I, Kim M, LaRiviere M, Maity A, Schuster S, Plastaras J, Facciabene A. Radiation Therapy for Bridging and Improving CAR-T Cell Therapy. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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7
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Kostopoulos N, Miranda Vieira M, godeffroy L, Médard J, Combellas C, Lemineur JF, Kanoufi F, Noël JM. Tuning the electrode activity to expose transformational and electrocatalytic characteristics of individual nanoparticles by nanoimpact electrochemistry. ChemElectroChem 2022. [DOI: 10.1002/celc.202200582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
| | | | - Louis godeffroy
- Universite de Paris UFR de Chimie Laboratoire ITODYS, CNRS, UMR7086 75013 Paris FRANCE
| | - Jérôme Médard
- Universite de Paris UFR de Chimie Laboratoire ITODYS, CNRS, UMR7086 FRANCE
| | | | - Jean-Francois Lemineur
- Universite de Paris UFR de Chimie Laboratoire ITODYS, CNRS, UMR7086 15 rue jean-Antoine de Baïf 75013 Paris FRANCE
| | - Frédéric Kanoufi
- Universite de Paris UFR de Chimie Laboratoire ITODYS, CNRS, UMR7086 15 rue jean-Antoine de Baïf 75013 Paris FRANCE
| | - Jean-Marc Noël
- Universite de Paris UFR de Chimie Laboratoire ITODYS, CNRS, UMR7086 15 rue jean-Antoine de Baïf 75013 Paris FRANCE
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8
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Mexis D, Nomikos T, Kostopoulos N. Effect of Pre-Season Training on Physiological and Biochemical Indices in Basketball Players—A Systematic Review. Sports (Basel) 2022; 10:sports10060085. [PMID: 35736825 PMCID: PMC9231241 DOI: 10.3390/sports10060085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/20/2022] [Accepted: 05/23/2022] [Indexed: 12/10/2022] Open
Abstract
The pre-season period in basketball includes all the physiological attributes that the players need to work on and develop, in order to sustain a full season workload. The monitoring of the effectiveness of pre-season training is based on a variety of biochemical and physiological indices; however, it is still unclear how pre-season training affects those markers. Therefore, this study aimed to analyze the effects of pre-season training on biochemical and physiological markers. A search was performed in five large scientific databases (Pubmed (Medline), Scopus, Science-Direct, Sport-Discus (EBSCO), Semantic Scholar) and produced 7081 results, which after removing duplicates and applying inclusion and exclusion criteria, resulted in 28 published scientific articles being included in this review. The most important findings suggested that the majority of the studies used a 6- or an 8-week pre-season training protocol, because these protocols have shown significant positive effects over the years. In addition, the plyometric training protocols that were used by many studies have been found to be beneficial for basketball athletes for many physiological parameters. Furthermore, the evaluation of biochemical markers can be a very useful tool in monitoring and managing fatigue, which is an essential part of modifying the training process, in order to maximize performance.
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Affiliation(s)
- Dimitrios Mexis
- School of Physical Education and Sport Science, National and Kapodistrian University of Athens, 17237 Athens, Greece;
| | - Tzortzis Nomikos
- School of Health Sciences and Education, Department of Nutrition and Dietetics, Harokopio University, 17676 Athens, Greece;
| | - Nikolaos Kostopoulos
- School of Physical Education and Sport Science, National and Kapodistrian University of Athens, 17237 Athens, Greece;
- Correspondence: ; Tel.: +30-2107276145
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9
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Massie AA, Kostopoulos N, Grotemeyer EN, Noël J, Jackson TA, Anxolabéhère‐Mallart E. Electrochemical Formation and Reactivity of a Mn‐Peroxo Complex Bearing an Amido N5 Ligand. ChemElectroChem 2022. [DOI: 10.1002/celc.202200112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Allyssa A. Massie
- Department of Chemistry University of Kansas 1567 Irving Hill Road Lawrence KS 66045 USA
| | - Nikolaos Kostopoulos
- Université Paris Cité, CNRS, Laboratoire d'Electrochimie Moléculaire F-75013> Paris France
| | | | - Jean‐Marc Noël
- Université Paris Cité, CNRS, ITODYS F-75013 Paris France
| | - Timothy A. Jackson
- Department of Chemistry University of Kansas 1567 Irving Hill Road Lawrence KS 66045 USA
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10
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Kostopoulos N, Banse F, Fave C, Anxolabéhère-Mallart E. Modulating alkene reactivity from oxygenation to halogenation via electrochemical O 2 activation by Mn porphyrin. Chem Commun (Camb) 2021; 57:1198-1201. [PMID: 33427273 DOI: 10.1039/d0cc07531k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Oxidation of organic substrates is achieved in nature under mild conditions thanks to metalloenzymes but remains a challenge for chemists. Herein we show by UV-Vis spectroelectrochemistry that when MnIIITPPCl is electrochemically reduced to MnII in CH2Cl2 under O2, a MnIIO2˙ species is generated. Benzoic anhydride reacts with the latter triggering a catalytic current in cyclic voltammetry. Electrolysis on the catalytic wave in the presence of cyclooctene leads to its oxygenation or halogenation depending on the axial ligand present as reported here for the first time.
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Affiliation(s)
- Nikolaos Kostopoulos
- Université de Paris, Laboratoire d'Electrochimie Moléculaire UMR 7591, CNRS, F-75013 Paris, France.
| | - Frédéric Banse
- Université Paris-Saclay, CNRS, Institut de Chimie Moléculaire et des Matériaux d'Orsay, 91405, Orsay, France
| | - Claire Fave
- Université de Paris, Laboratoire d'Electrochimie Moléculaire UMR 7591, CNRS, F-75013 Paris, France.
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11
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Bobos P, Nazari G, Ziebart C, MacDermid JC, Kostopoulos N. A Systematic Review and Meta-analysis of the Effect of Multi-ingredient Preworkout Supplementation on Strength, Exercise Volume, and Anaerobic Capacity in Healthy Resistance-Trained Individuals. Strength Cond J 2021. [DOI: 10.1519/ssc.0000000000000537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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12
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Kostopoulos N, Achaibou C, Noël JM, Kanoufi F, Robert M, Fave C, Anxolabéhère-Mallart E. Electrocatalytic O 2 Activation by Fe Tetrakis(pentafluorophenyl)porphyrin in Acidic Organic Media. Evidence of High-Valent Fe Oxo Species. Inorg Chem 2020; 59:11577-11583. [PMID: 32799464 DOI: 10.1021/acs.inorgchem.0c01379] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
O2 activation under mild conditions remains a weighty challenge for chemists. Herein we report a study of electrochemical O2 reductive activation catalyzed by FeIII(F20TPP)Cl, by means of cyclic voltammetry and UV-vis spectroelectrochemistry in acidic solutions of N,N-dimethylformamide. Two parallel catalytic pathways have been evidenced occurring at different overpotentials. At high overpotential a classical electron-proton (EPT) pathway where protonation of Fe peroxo ultimately leads to the formation of high-valent Fe oxo species dominates. At low overpotential a proton-electron (PET) pathway involving a hydrosuperoxo species has been identified.
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Affiliation(s)
- Nikolaos Kostopoulos
- Université de Paris, Laboratoire d'Electrochimie Moléculaire, CNRS, F-75013 Paris, France
| | - Célia Achaibou
- Université de Paris, Laboratoire d'Electrochimie Moléculaire, CNRS, F-75013 Paris, France
| | - Jean-Marc Noël
- Université de Paris, ITODYS, CNRS, F-75013 Paris, France
| | | | - Marc Robert
- Université de Paris, Laboratoire d'Electrochimie Moléculaire, CNRS, F-75013 Paris, France.,Institut Universitaire de France (IUF), F-75005 Paris, France
| | - Claire Fave
- Université de Paris, Laboratoire d'Electrochimie Moléculaire, CNRS, F-75013 Paris, France
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13
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Noel J, Kostopoulos N, Achaibou C, Fave C, Anxolabéhère‐Mallart E, Kanoufi F. Probing the Activity of Iron Peroxo Porphyrin Intermediates in the Reaction Layer during the Electrochemical Reductive Activation of O
2. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Nikolaos Kostopoulos
- Université de Paris, Laboratoire d'Electrochimie MoléculaireCNRS 75006 Paris France
| | - Célia Achaibou
- Université de Paris, Laboratoire d'Electrochimie MoléculaireCNRS 75006 Paris France
| | - Claire Fave
- Université de Paris, Laboratoire d'Electrochimie MoléculaireCNRS 75006 Paris France
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14
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Noel JM, Kostopoulos N, Achaibou C, Fave C, Anxolabéhère-Mallart E, Kanoufi F. Probing the Activity of Iron Peroxo Porphyrin Intermediates in the Reaction Layer during the Electrochemical Reductive Activation of O 2. Angew Chem Int Ed Engl 2020; 59:16376-16380. [PMID: 32543058 DOI: 10.1002/anie.202004977] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Indexed: 02/02/2023]
Abstract
Herein we report the first example of using scanning electrochemical microscopy (SECM) to quantitatively analyze O2 reductive activation in organic media catalyzed by three different Fe porphyrins. For each porphyrin, SECM can provide in one single experiment the redox potential of various intermediates, the association constant of FeII with O2 , and the pKa of the FeIII (OOH- )/ FeIII (OO2- ) couple. The results obtained can contribute to a further understanding of the parameters controlling the catalytic efficiency of the Fe porphyrin towards O2 activation and reduction.
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Affiliation(s)
| | - Nikolaos Kostopoulos
- Université de Paris, Laboratoire d'Electrochimie Moléculaire, CNRS, 75006, Paris, France
| | - Célia Achaibou
- Université de Paris, Laboratoire d'Electrochimie Moléculaire, CNRS, 75006, Paris, France
| | - Claire Fave
- Université de Paris, Laboratoire d'Electrochimie Moléculaire, CNRS, 75006, Paris, France
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15
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Kostopoulos N, Zacharakis E, Bolatoglou T, Kostopoulos P, Ktistakis I, Xirouchaki CE. Nutritional habits and knowledge in elite and professional basketball players. Gazz Med Ital - Arch Sci Med 2020. [DOI: 10.23736/s0393-3660.19.04068-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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16
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Platsidaki E, Kostopoulos N, Panagakis P, Cheliotis G, Antoniou C, Kontochristopoulos G. The use of ingenol mebutate to treat actinic keratosis in standard clinical practice: a prospective phase IV multicenter observational cohort study. Int J Dermatol 2020; 59:690-697. [DOI: 10.1111/ijd.14879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 03/15/2020] [Accepted: 03/21/2020] [Indexed: 11/28/2022]
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Papageorgiou E, Kovas K, Power C, Kostopoulos N. Application of thermal microcautery in migraine management. HM 2019. [DOI: 10.48208/headachemed.2019.26] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Thermal microcautery is a novel minimally invasive intervention for migraine. We present a case series of twenty-one patients who underwent this technique. Nineteen patients reported improvement in migraine management. Of these four patients went on to complete remission and a further eleven patients reported over 50% improvement. In addition, the majority of patients noted reductions in intensity and duration of headache with a better response to medication. The efficacy of thermal microcautery generates a new hypothesis that attempts to explain how a neuromodulation technique may be helpful in the management of migraine.
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Kostopoulos N, Platsidaki E, Tzanetakou V, Petraki K, Lekarakou M, Bafaloukos D, Potouridou I. Nodular Lesions on the Upper Trunk: An Uncommon Anatomical Site of Renal Tumor Metastases. Indian J Dermatol 2019; 64:251. [PMID: 31148873 PMCID: PMC6537680 DOI: 10.4103/ijd.ijd_634_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Renal cell carcinoma (RCC) is the most frequent cancer of the kidney and it accounts for 3% of all solid malignancies. Although rare, cutaneous metastases can be an important manifestation of RCC. We present a case of a 56-year-old male with a history of RCC, followed by the development of cutaneous metastases 4 years later with an uncommon clinical presentation. RCC is the most common genitourinary cancer to metastasize to the skin and accounts for 6.8% of cutaneous metastases. These patients have a poor prognosis. It is essential for these patients to perform a complete periodic dermatologic examination for proper restaging and treatment.
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Affiliation(s)
| | | | | | | | - Maria Lekarakou
- Department of Pathology, Metropolitan Hospital, Piraeus, Greece
| | | | - Irini Potouridou
- Department of Dermatology, Andreas Syggros Hospital, Athens, Greece
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Dragonea P, Zacharakis E, Kounalakis S, Kostopoulos N, Bolatoglou T, Apostolidis N. Determination of the exercise intensity corresponding with maximal lactate steady state in high-level basketball players. Res Sports Med 2018; 27:112-120. [DOI: 10.1080/15438627.2018.1511559] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Panagiota Dragonea
- Department of Games and Sports, Faculty of Physical Education and Sport Science, University of Athens, Athens, Greece
| | - Emmanuil Zacharakis
- Department of Games and Sports, Faculty of Physical Education and Sport Science, University of Athens, Athens, Greece
| | - Stylianos Kounalakis
- Department of Physical and Cultural Education, Evelpidon Hellenic Military Academy, Vari, Greece
| | - Nikolaos Kostopoulos
- Department of Games and Sports, Faculty of Physical Education and Sport Science, University of Athens, Athens, Greece
| | - Theodoros Bolatoglou
- Department of Games and Sports, Faculty of Physical Education and Sport Science, University of Athens, Athens, Greece
| | - Nikolaos Apostolidis
- Department of Games and Sports, Faculty of Physical Education and Sport Science, University of Athens, Athens, Greece
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Platsidaki E, Kostopoulos N, Marnelakis I, Panagakis P. Secukinumab shows significant efficacy in two patients with difficult-to-treat areas of psoriasis: a Greek experience. Dermatol Online J 2018; 24:13030/qt9w02w406. [PMID: 29634892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 04/09/2018] [Indexed: 06/08/2023] Open
Abstract
Psoriasis is one of the most frequently occurring chronic inflammatory skin diseases. There are some specialized regions of the body that are considered difficult to treat. Secukinumab is a human monoclonal immunoglobulin G antibody that blocks the interleukin 17A ligand and has been shown to be highly efficacious in treating moderate-to-severe psoriasis. We studied two Greek patients, one with scalp psoriasis and the other with palmoplantar psoriasis, both resistant to treatment. Patients were treated with secukinumab and efficacy and safety were recorded. The patient with severe, refractory palmoplantar psoriasis achieved complete clearance at the end of the 4-week treatment period with secukinumab. The patient with moderate to severe, chronic scalp psoriasis was successfully treated with secukinumab, obtaining complete clearance of symptoms and remission of disease after approximately 16 weeks. In both cases clinical response was maintained through week 52. Secukinumab has been shown to be highly efficacious in the treatment of psoriasis of specific anatomical sites with an acceptable safety profile.
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Affiliation(s)
- Eftychia Platsidaki
- Department of Dermatology and Venereology, Andreas Sygros Hospital, Athens, Greece.
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21
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Platsidaki E, Kostopoulos N, Gesakis K, Polydorou D, Agiasofitou E. An unusual early onset of lentigo maligna in the fourth decade of life. Indian J Dermatol Venereol Leprol 2018; 85:129. [PMID: 29327697 DOI: 10.4103/ijdvl.ijdvl_125_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Eftychia Platsidaki
- Department of Dermatology and Venereology, Andreas Sygros Skin Hospital, Athens, Greece
| | - Nikolaos Kostopoulos
- Department of Dermatology and Venereology, Andreas Sygros Skin Hospital, Athens, Greece
| | - Kanellos Gesakis
- Department of Plastic Surgery, Private Clinic, Metropolitan, Piraeus, Greece
| | - Dorothea Polydorou
- Department of Dermatology and Venereology, Andreas Sygros Skin Hospital, Athens, Greece
| | - Efthymia Agiasofitou
- Department of Dermatology and Venereology, Andreas Sygros Skin Hospital, Athens, Greece
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Platsidaki E, Kostopoulos N, Marnelakis I, Panagakis P. Secukinumab shows significant efficacy in two patients with difficult-to-treat areas of psoriasis: a Greek experience. Dermatol Online J 2018. [DOI: 10.5070/d3243038622] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
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23
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Moustogiannis A, Philippou A, Kostopoulos N. Salivary Cortisol Responses After A Women’S Basketball Match In Elite Athletes. Med Sci Sports Exerc 2017. [DOI: 10.1249/01.mss.0000518955.80756.6a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Abstract
Team offense in basketball games consists of a set of offensive actions carried out with the cooperation of two or more players. Of these actions, the most commonly used in the last decade is the on-ball screen called the “pick and roll.” The aim of this study was to analyze all of the pick and rolls conducted in the Euroleague championship from all of the 24 participating teams and to investigate the possible relationships between success in the pick and roll and overall success of the teams. For this purpose, 12,376 pick and rolls from 502 matches were analyzed and classified in categories according to the end result of the offensive possession. The results showed that the most effective type of pick and roll offense was when a shot was attempted after 2 passes from the pick and roll occurrence, followed by the screener’s shot when he rolled to the basket. Additionally, linear regression analysis confirmed that pick and roll effectiveness could predict the final classification of the teams. Conclusively, coaches of the high level European clubs should focus on training the players to the most efficient phases of the pick and roll offense, so that the chances of winning the championship to be maximized.
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Affiliation(s)
- Christos Marmarinos
- School of Physical Education & Sport Science, National and Kapodistrian University of Athens, Greece
| | - Nikolaos Apostolidis
- School of Physical Education & Sport Science, National and Kapodistrian University of Athens, Greece
| | - Nikolaos Kostopoulos
- School of Physical Education & Sport Science, National and Kapodistrian University of Athens, Greece
| | - Alexandros Apostolidis
- School of Physical Education & Sport Science, National and Kapodistrian University of Athens, Greece
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Apostolidis N, Bogdanis GC, Kostopoulos N, Souglis A, Papadopoulos C. Changes in the lipid profile of elite basketball and soccer players after a match. Res Sports Med 2014; 22:100-10. [PMID: 24392775 DOI: 10.1080/15438627.2013.852095] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The lipid profile of elite basketball and soccer athletes was evaluated and compared with that of inactive individuals. Total cholesterol (T-C), low and high density lipoprotein cholesterol (LDL-C and HDL-C), and triglyceride (TG) concentration were measured in the morning and after a soccer or a basketball match. All parameters of lipid profile measured at a fasted and resting state, except HDL-C, were lower in the athletes compared with the controls (p < 0.01). The soccer match resulted in a greater decrease in TG (78.3 ± 6.7 to 70.7 ± 6.3, p < 0.01), T-C (179.3 ± 10.7 to 171.6 ± 9.6, p < 0.01), LDL-C (110.9 ± 8.9 to 103.5 ± 7.5, p < 0.01) compared with the basketball match that resulted only in a decrease in LDL-C (126.8 ± 9.5 to 117.3 ± 9.1, p < 0.01) and an increase in HDL-C that was similar to that observed after the soccer match (9-12%). These findings support the beneficial effects of basketball and soccer on cardiovascular health.
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Affiliation(s)
- N Apostolidis
- a Faculty of Physical Education and Sport Science , University of Athens , Athens , Greece
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27
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Theodorou SD, Tsouparopoulos D, Economou K, Kostopoulos N. [Pseudarthrosis of the long bones with extensive loss of bone substance following osteomyelitis in children]. Acta Orthop Belg 1972; 38:324-34. [PMID: 4639192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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