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  1. No Access

    Article

    Development of an electrochemical sensitive aptasensor based on a zeolite imidazolate framework-8 and gold nanoparticles for the determination of Staphylococcus aureus bacteria

    Staphylococcus aureus (S. aureus) is one of the most important pathogens that cause illness and food poisoning. In this research, using a glassy carbon electrode (GCE) modified with zeolite imidazolate framework-...

    Hafezeh Morsalpour, Hamid R. Zare, Zahra Shekari… in Analytical and Bioanalytical Chemistry (2024)

  2. Article

    Open Access

    Bacterial and fungal co-infections with SARS-CoV-2 in solid organ recipients: a retrospective study

    SARS-CoV-2, a novel corona virus, has caused clusters of fatal pneumonia worldwide. Immune compromised patients are among the high risk groups with poor prognosis of the disease. The presence of bacterial or f...

    Mojtaba Shafiekhani, Zahra Shekari, Arash Boorboor, Zahra Zare… in Virology Journal (2022)

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  3. No Access

    Article

    Development of an electrochemical aptasensor based on Au nanoparticles decorated on metal–organic framework nanosheets and p-biphenol electroactive label for the measurement of aflatoxin B1 in a rice flour sample

    This study purposes designing a new aptasensor to detect aflatoxin B1 (AFB1). The AFB1 aptasensor was developed by growing gold nanoparticles on the surface of nickel-based metal–organic framework nanosheets (...

    Fahime Jahangiri–Dehaghani, Hamid R. Zare… in Analytical and Bioanalytical Chemistry (2022)

  4. No Access

    Article

    A Non-label Electrochemical Aptasensor Based on Cu Metal–Organic Framework to Measure Aflatoxin B1 in Wheat Flour

    Aflatoxin B1 (AFB1) is an important indicator in food safety assessment. In the present study, a non-label electrochemical aptasensor based on the Cu metal–organic framework (CuMOF) was fabricated to measure AFB1

    Fahime Jahangiri–Dehaghani, Hamid R. Zare, Zahra Shekari in Food Analytical Methods (2022)

  5. No Access

    Article

    Electrochemical sandwich aptasensor for the carcinoembryonic antigen using graphene quantum dots, gold nanoparticles and nitrogen doped graphene modified electrode and exploiting the peroxidase-mimicking activity of a G-quadruplex DNAzyme

    A sandwich–type electrochemical aptasensor has been constructed and applied for sensitive and selective detection of the carcinoembryonic antigen (CEA). The surface of a glassy carbon electrode (GCE) was first...

    Zahra Shekari, Hamid R. Zare, Ali Falahati in Microchimica Acta (2019)

  6. No Access

    Article

    A Novel Electrochemical Biosensor Based on a Modified Gold Electrode for Hydrogen Peroxide Determination in Different Beverage Samples

    In the present work, an electrochemical biosensor is constructed based on a Nafion nano composite polymer, toluidine blue (TB) and catalase enzyme-modified gold electrode (AuE). The TB molecules were strongly ...

    Navid Nasirizadeh, Saeedeh hajihosseini, Zahra Shekari… in Food Analytical Methods (2015)

  7. No Access

    Article

    Develo** a sensor for the simultaneous determination of adrenaline, uric acid, and tryptophan

    A chemically modified electrode is constructed based on a coumestan derivative and multiwall carbon nanotubes modified carbon paste electrode (CMWCNT-CPE). The surface charge transfer rate constant, k ...

    Navid Nasirizadeh, Zahra Shekari in Ionics (2014)