Publications by authors named "Ozgur Appak"

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Determination of measurement uncertainty in the serology laboratory for anti-HBs, anti-Rubella IgG, and anti-Toxoplasma IgG.
Özgür Appak, Ayşe Aydan Özkütük

Diagn Microbiol Infect Dis· February 2026

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Anti-SARS-CoV-2 IgG Cut-off Value for Predicting Neutralizing Antibodies and Reinfection Risk in Natural and Hybrid Immunity: A Longitudinal Observational Study.
Arzu Nazlı, Özgür Appak, Ahmet Naci Emecen, Ahmad Nejat Ghaffari, Gökçen Ömeroğlu Şimsek

New Microbiol· December 2025

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Neutralizing and binding antibody dynamics following primary and booster COVID-19 vaccination among healthcare workers.
Irmak Güzel, Gamze Öztürk, Özgür Appak, Derya Çağlayan, Ahmet F Süner

BMC Infect Dis· February 2025

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Challenges in HIV Diagnosis Algorithm: Experience of the Confirmation Laboratory.
Özgür Appak, Derya Özarslan, Arzu Nazlı, Ayca Arzu Sayiner

J Trop Med· January 2025

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[Measles, Rubella, Mumps and Varicella Seropositivity in Health Technician Students: A Seroprevalence Study].
Ayla Açikgöz, Servet Kizildağ, Özgür Appak, Dilek Çimrin, Nuran Esen

Mikrobiyol Bul· October 2024

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Waning Humoral Immune Response Following the Third and Fourth SARS-COV-2 Vaccine: A Cohort Study in Healthcare Workers.
Ahmet Furkan Süner, Gül Ergör, Derya Çağlayan, Neslişah Türe, Irmak Güzel, Özgür Appak

Influenza Other Respir Viruses· September 2024

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Do patients infected with human coronavirus before the COVID-19 pandemic have less risk of being infected with COVID-19?
Gamze Şanlidağ Işbilen, Ayça Aydın Uysal, Selin Yiğit, Özgür Appak, Hilal Sipahi

Turk J Med Sci· September 2024

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Comparison of the NeuMoDx™ HBV quant assay and artus QS-RGQ® kit for HBV DNA quantitation in plasma samples.
Ozgur Appak, Ayca Arzu Sayiner

Diagn Microbiol Infect Dis· August 2024

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The Performance of the Current Algorithm of HIV Diagnosis.
Abdurrahman Gulmez, Ozgur Appak, Arzu Nazli Zeka, Nuran Esen, Ayca Arzu Sayiner

Iran J Public Health· July 2024

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Pre-infection antibody levels of vaccinated healthcare workers with SARS-CoV-2 breakthrough infection: A nested case-control study.
Sema Alp Çavuş, Muammer Çelik, Ahmet Furkan Süner, Irmak Güzel, Çağlar Irmak, Özgür Appak

Immunol Lett· October 2023

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Evaluation of abdominal computed tomography findings in patients with COVID-19: a multicenter study.
Mehmet Ruhi Onur, Yakup Özbay, İlkay İdilman, Ali Devrim Karaosmanoğlu, Selma Uysal Ramadan, Özgür Appak

Diagn Interv Radiol· May 2023

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Existence of SARS-Cov-2 in the Peritoneal Fluid.
Orkun Ilgen, Mehmet Eyuphan Ozgozen, Ozgur Appak, Begum Ertan, Hikmet Tunc Tımur

Rev Bras Ginecol Obstet· May 2023

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Electromechanical RT-LAMP device for portable SARS-CoV-2 detection.
E Alperay Tarim, Cemre Oksuz, Betul Karakuzu, Ozgur Appak, Ayca Arzu Sayiner

Talanta· March 2023

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Can Some Viral Respiratory Infections Observed Before the Pandemic Announcement Be Related to SARS-CoV-2?
Aylin Özgen Alpaydın, Özgür Appak, Naciye Sinem Gezer, Salih Yiğit, Damla Gündüz Karayazı

Thorac Res Pract· March 2023

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Comparison of a novel antigen detection test with reverse transcription polymerase chain reaction assay for laboratory diagnosis of SARS-CoV-2 infection.
Osman Sezer Cirit, Esvet Mutlu, Banu Sancak, Tanil Kocagöz, Özge Can, Özgür Appak

Infection· February 2023

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Evaluation of SARS-CoV-2 antibody persistence and viral spread in stool: a long-term care experience before COVID-19 vaccination.
Oya Ozlem Eren-Kutsoylu, Ozgur Appak, Arzu Nazli-Zeka, Gokcen Omeroglu-Simsek, Nil Tekin

Ir J Med Sci· February 2023

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Correlation of Treponemal Chemiluminescent Microparticle Immunoassay Screening Test Signal Strength Values With Reactivity of Confirmatory Testing.
Mervenur Demir Çuha, Adem Özdemir, Kübra Evren, Bariş Can, Zahide Doyuk, Özgür Appak

Sex Transm Dis· June 2022

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An analysis of antibody response following the second dose of CoronaVac and humoral response after booster dose with BNT162b2 or CoronaVac among healthcare workers in Turkey.
Derya Çağlayan, Ahmet F Süner, Neslişah Şiyve, Irmak Güzel, Çağlar Irmak, Özgür Appak

J Med Virol· May 2022

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Distribution of Viral Respiratory Pathogens During the COVID-19 Pandemic: A Single-Center Pediatric Study from Turkey.
Nihan Şık, Kevser Asena Çakan Başerdem, Oğuzhan Başerdem, Özgür Appak, Ayça Arzu Sayıner

Turk Arch Pediatr· May 2022

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Evaluation of Abbott Architect, Siemens Immulite, bioMerieux Vidas, and Euroimmune assays for determination of Epstein-Barr virus serological diagnosis.
Ozgur Appak, Muge H Ozkaratas, Ayca A Sayiner

J Med Virol· November 2021

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Evaluation of COVID-19 antibody response with using three different tests.
Özgür Appak, Abdurrahman Gülmez, Irmak Güzel, Naciye Sinem Gezer, Özlem Gürsoy Doruk

Iran J Microbiol· October 2021

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Evaluation of COVID-19 Disease and the Effect of Trends in Intervention Measures: The Pediatric Perspective from a Tertiary Care Hospital in Turkey.
Nihan Şık, Murat Duman, Durgül Yılmaz, Hatice Karaoğlu Asrak, İrem Ceren Erbaş, Özgür Appak

Balkan Med J· July 2021

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[Analysis of Nucleotide Changes in RT-PCR Primer/Probe Binding Regions in SARS-CoV-2 Isolates Reported from Turkey].
Ayşe Banu Demir, Alihan Bulgurcu, Özgür Appak, Ayça Arzu Sayıner

Mikrobiyol Bul· July 2021

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[Evaluation of SARS-CoV-2 PCR Positive Cases in the Pediatric Emergency Department].
Nihan Şık, Canan Özlü, Hatice Karaoğlu Asrak, İrem Ceren Erbaş, Ayşe Çakıl Güzin, Özgür Appak

Mikrobiyol Bul· October 2020

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COVID-19 S: A new proposal for diagnosis and structured reporting of COVID-19 on computed tomography imaging.
Naciye Sinem Gezer, Begüm Ergan, Mustafa Mahmut Barış, Özgür Appak, Ayça Arzu Sayıner

Diagn Interv Radiol· July 2020

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