Search Results - "Athanasiadou, Ioanna"

Chemical derivatization to enhance ionization of anabolic steroids in LC-MS for doping-control analysis by Athanasiadou, Ioanna, Athanasiadou, Ioanna, Angelis, Yiannis S., Lyris, Emmanouil, Georgakopoulos, Costas, Georgakopoulos, Costas

“…► LC-API-MS ionization enhancement of steroids based on derivatization. ► We review derivatization methods for doping-control LC-MS analysis. ► Relevant…”
Get full text

Transferrin receptor-1 and 2 expression in chronic lymphocytic leukemia by Smilevska, Tatjana, Stamatopoulos, Kostas, Samara, Maria, Belessi, Chrysoula, Tsompanakou, Aliki, Paterakis, George, Stavroyianni, Niki, Athanasiadou, Ioanna, Chiotoglou, Ioanna, Hadzidimitriou, Anastasia, Athanasiadou, Anastasia, Douka, Vassiliki, Saloum, Riad, Laoutaris, Nikolaos, Anagnostopoulos, Achilles, Fassas, Athanasios, Stathakis, Nikolaos, Kollia, Panagoula

“…Transferrin receptor (TfR)-1 and 2 mRNA and CD71 (TfR1) expression was analyzed in 118 CLL patients. Ninety-five out of 109 analyzed cases expressed CD71,…”
Get full text

Preparation and Biophysical Characterization of Quercetin Inclusion Complexes with β‑Cyclodextrin Derivatives to be Formulated as Possible Nose-to-Brain Quercetin Delivery Systems by Manta, Konstantina, Papakyriakopoulou, Paraskevi, Chountoulesi, Maria, Diamantis, Dimitrios A, Spaneas, Dimitrios, Vakali, Vasiliki, Naziris, Nikolaos, Chatziathanasiadou, Maria V, Andreadelis, Ioannis, Moschovou, Kalliopi, Athanasiadou, Ioanna, Dallas, Paraskevas, Rekkas, Dimitrios M, Demetzos, Costas, Colombo, Gaia, Banella, Sabrina, Javornik, Uroš, Plavec, Janez, Mavromoustakos, Thomas, Tzakos, Andreas G, Valsami, Georgia

“…Quercetin (Que) is a flavonoid associated with high oxygen radical scavenging activity and potential neuroprotective activity against Alzheimer’s disease…”
Get full text

Hyperhydration using different hydration agents does not affect the haematological markers of the athlete biological passport in euhydrated volunteers by Athanasiadou, Ioanna, Christian Voss, Sven, El Saftawy, Wesal, Al-Maadheed, Mohammed, Valsami, Georgia, Georgakopoulos, Costas

“…Athlete Biological Passport (ABP) is an indirect approach, implemented by WADA, aimed at detecting blood manipulation based on abnormal changes in…”
Get full text

Population reference ranges of urinary endogenous sulfate steroids concentrations and ratios as complement to the steroid profile in sports antidoping by Saad, Khadija, Vonaparti, Ariadni, Athanasiadou, Ioanna, Saleh, Amal, Abushareeda, Wadha, Alwahaibi, Aisha, Khan, Bibi Fatima Ajab, Aguilera, Rodrigo, Kraiem, Souheil, Horvatovich, Peter L., Al-Muraikhi, Amal Essa, Al Maadheed, Mohammed, Georgakopoulos, Costas

“…•Quantitation of intact endogenous sulfate steroids in sports antidoping screening.•LC/MS sulfates endogenous steroids for WADA Athlete Biological…”
Get full text

Determination of anabolic androgenic steroids as imidazole carbamate derivatives in human urine using liquid chromatography–tandem mass spectrometry by Fragkaki, Argyro G., Petropoulou, Georgia, Athanasiadou, Ioanna, Kiousi, Polyxeni, Kioukia‐Fougia, Nassia, Archontaki, Helen, Bakeas, Evangelos, Angelis, Yiannis S.

“…Anabolic androgenic steroids are widely abused substances in sports doping. Their detection present limitations regarding the use of soft ion sources such as…”
Get full text

Effect of hyperhydration on the pharmacokinetics and detection of orally administered budesonide in doping control analysis by Athanasiadou, Ioanna, Vonaparti, Ariadni, Dokoumetzidis, Aristeidis, Saleh, Amal, Mbeloug, Miriam, Al‐Maadheed, Mohammed, Valsami, Georgia, Georgakopoulos, Costas

“…The aim of the present study was to investigate if hyperhydration could influence the excretion and subsequent detection of budesonide (BDS) and its main…”
Get full text

Analytical progresses of the World Anti-Doping Agency Olympic laboratories: a 2016 update from London to Rio by Athanasiadou, Ioanna, Voss, Sven, Lyris, Emmanouil, Aljaber, Amina, Alsayrafi, Mohammed, Georgakopoulos, Costas

“…The 2016 Olympic and Paralympic Games, the biggest event in human sports, was held in Rio de Janeiro with more than 10,500 athletes from 206 countries over the…”
Get full text

Gas chromatographic–mass spectrometric quantitation of busulfan in human plasma for therapeutic drug monitoring: A new on-line derivatization procedure for the conversion of busulfan to 1,4-diiodobutane by Athanasiadou, Ioanna, Angelis, Yiannis S., Lyris, Emmanouil, Archontaki, Helen, Georgakopoulos, Costas, Valsami, Georgia

“…•A simplified GC–MS assay for quantitation of busulfan in plasma was developed.•A novel on-line derivatization procedure for detection of busulfan is…”
Get full text

Hyperhydration-Induced Decrease in Urinary Luteinizing Hormone Concentrations of Male Athletes in Doping Control Analysis by Athanasiadou, Ioanna, Voss, Sven Christian, El Saftawy, Wesal, Al-Jaber, Hind, Dbes, Najib, Al-Yazedi, Sameera, Samsam, Waseem, Mohamed-Ali, Vidya, Alsayrafi, Mohammed, Valsami, Georgia, Georgakopoulos, Costas

“…Low urinary luteinizing hormone (LH) values have been discussed as a marker to detect steroid abuse. However, suppressed LH concentrations related to highly…”
Get more information

Horseradish‐peroxidase‐conjugated anti‐erythropoietin antibodies for direct recombinant human erythropoietin detection: Proof of concept by Voss, Sven C., Orie, Nelson N., El‐Saftawy, Wesal, Saghbazarian, Stephanie, Al‐Kaabi, Alanoud, Georgakopoulos, Costas, Athanasiadou, Ioanna, Mohamed‐Ali, Vidya, Al‐Maadheed, Mohammed

“…Antidoping testing for recombinant human erythropoietin (EPO) is routinely performed by gel electrophoresis followed by western blot analysis with primary and…”
Get full text

Current status and recent advantages in derivatization procedures in human doping control by Athanasiadou, Ioanna, Kiousi, Polyxeni, Kioukia-Fougia, Nasia, Lyris, Emmanouil, Angelis, Yiannis S

“…Derivatization is one of the most important steps during sample preparation in doping control analysis. Its main purpose is the enhancement of chromatographic…”
Get full text

Late-Onset Neutropenia in Rituximab-Treated Lymphoma Patients: Lymphocyte Subpopulation Imbalances, Bone Marrow Hematopoiesis and Immunohistology by Stamatopoulos, Kostas, Papadaki, Theodora, Pontikoglou, Charalambos, Athanasiadou, Ioanna, Stavroyianni, Niki, Bux, Juergen, Batsis, Ioannis, Pyrovolaki, Katerina, Paterakis, George, Anagnostou, Dimitra, Anagnostopoulos, Achilles, Papadaki, Helen

“…Late-onset neutropenia (LON) is a complication of Rituximab of yet unknown pathophysiology. We investigated potential underlying mechanisms in 12 patients with…”
Get full text

Predominantly post-transcriptional regulation of activation molecules in chronic lymphocytic leukemia: The case of transferrin receptors by Chiotoglou, Ioanna, Smilevska, Tatjana, Samara, Maria, Likousi, Sophia, Belessi, Chrysoula, Athanasiadou, Ioanna, Stavroyianni, Niki, Samara, Stavroula, Laoutaris, Nikolaos, Vamvakopoulos, Nikolaos, Anagnostopoulos, Achilles, Fassas, Athanasios, Stamatopoulos, Kostas, Kollia, Panagoula

“…Transcriptional and post-transcriptional control mechanisms have a differential impact on cellular physiology depending on activation status. Several lines of…”
Get full text

IG Heavy and Light Chain Variable Genes in Chronic Lymphocytic Leukemia Exhibit Distinct Somatic Mutation Patterns and a Comparable Imprint of Antigen Selection by Stamatopoulos, Kostas, Belessi, Chrysoula, Hadzidimitriou, Anastasia, Hatzi, Katerina, Stavroyianni, Niki, Kalagiakou, Evangelia, Papadaki, Theodora, Marantidou, Fotini, Manioudaki, Eleni, Athanasiadou, Anastasia, Douka, Vassiliki, Athanasiadou, Ioanna, Tachynopoulou, Varvara, Saloum, Riad, Laoutaris, Nikolaos, Fassas, Athanasios, Anagnostopoulos, Achilles

“…We conducted a parallel analysis of somatic mutations in paired IG heavy (HC) and light chain (LC) chain genes in a series of 253 (165 κ- and 88 λ-LC…”
Get full text