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  1. Article

    Open Access

    Deep learning based bilateral filtering for edge-preserving denoising of respiratory-gated PET

    Residual image noise is substantial in positron emission tomography (PET) and one of the factors limiting lesion detection, quantification, and overall image quality. Thus, improving noise reduction remains of...

    Jens Maus, Pavel Nikulin, Frank Hofheinz, Jan Petr, Anja Braune in EJNMMI Physics (2024)

  2. Article

    Open Access

    Capillary zone electrophoresis method for quantification of therapeutic peptide glatiramer acetate

    This study presents the development and validation of a novel capillary zone electrophoresis method for the precise determination of glatiramer acetate and its amino acid constituents. A 120 mmol dm−3 phosphoric ...

    Navid Niaei, Martin Vališ, Jan Petr in Monatshefte für Chemie - Chemical Monthly (2024)

  3. Article

    Selected papers from the 74th Congress of Chemists

    Jan Petr, Jana Skopalová, Tomáš Navrátil in Monatshefte für Chemie - Chemical Monthly (2023)

  4. Article

    Open Access

    A disposable electrochemical sensor based on single-walled carbon nanotubes for the determination of anticancer drug dasatinib

    Dasatinib is an anticancer drug that treats acute lymphoblastic leukemia, chronic myelogenous leukemia, and prostate cancer with several side effects. In this research, we suggest nanoparticle-modified screen-...

    Soodabeh Hassanpour, Jan Petr in Monatshefte für Chemie - Chemical Monthly (2023)

  5. Article

    Open Access

    The Odd Chromatic Number of a Planar Graph is at Most 8

    Petruševski and Škrekovski recently introduced the notion of an odd colouring of a graph: a proper vertex colouring of a graph G is said to be odd if for each non-isolated vertex

    Jan Petr, Julien Portier in Graphs and Combinatorics (2023)

  6. Article

    Open Access

    ASL-BIDS, the brain imaging data structure extension for arterial spin labeling

    Arterial spin labeling (ASL) is a non-invasive MRI technique that allows for quantitative measurement of cerebral perfusion. Incomplete or inaccurate reporting of acquisition parameters complicates quantificat...

    Patricia Clement, Marco Castellaro, Thomas W. Okell, David L. Thomas in Scientific Data (2022)

  7. Article

    Open Access

    A systematic review on the use of quantitative imaging to detect cancer therapy adverse effects in normal-appearing brain tissue

    Cancer therapy for both central nervous system (CNS) and non-CNS tumors has been previously associated with transient and long-term cognitive deterioration, commonly referred to as ‘chemo fog’. This therapy-re...

    Jan Petr, Louise Hogeboom, Pavel Nikulin in Magnetic Resonance Materials in Physics, B… (2022)

  8. Article

    Open Access

    Determination of total protein content in biomedical products by the PDMS-assisted lab-in-a-syringe assay using 3D printed scaffolds removal

    The aim of our work was to develop a low-cost, portable device for the fast and easy determination of total protein content by using PDMS-based lab-in-a-syringe technology with removal of 3D-printed channels. ...

    Ester Drastíková, Klára Konderlová in Journal of Analytical Science and Technolo… (2021)

  9. Article

    Open Access

    From research to clinical practice: a European neuroradiological survey on quantitative advanced MRI implementation

    Quantitative MRI (qMRI) methods provide versatile neuroradiological applications and are a hot topic in research. The degree of their clinical implementation is however barely known. This survey was created to...

    Elia Manfrini, Marion Smits, Steffi Thust, Sergej Geiger in European Radiology (2021)

  10. Article

    Open Access

    Epileptogenic zone detection in MRI negative epilepsy using adaptive thresholding of arterial spin labeling data

    Drug-resistant epilepsy is a diagnostic and therapeutic challenge, mainly in patients with negative MRI findings. State-of-the-art imaging methods complement standard epilepsy protocols with new information an...

    Martin Gajdoš, Pavel Říha, Martin Kojan, Irena Doležalová in Scientific Reports (2021)

  11. Article

    Open Access

    GliMR: Cross-Border Collaborations to Promote Advanced MRI Biomarkers for Glioma

    There is an annual incidence of 50,000 glioma cases in Europe. The optimal treatment strategy is highly personalised, depending on tumour type, grade, spatial localization, and the degree of tissue infiltratio...

    Patricia Clement, Thomas Booth in Journal of Medical and Biological Engineer… (2021)

  12. No Access

    Article

    Determination of orotic acid in human urine using a combination of two capillaries with different internal diameters

    The aim of this study was to develop a fast method of screening for orotic acid in untreated urine by capillary electrophoresis with using a combination of two capillaries with different internal diameters, 50...

    Andrea Šebestová, Jan Petr in Chemical Papers (2020)

  13. Article

    Advances in Chromatography and Electrophoresis 2018 and Chiranal 2018

    Jan Petr in Chromatographia (2018)

  14. No Access

    Article

    Determination of Hormone Antagonists in Waste-Water Samples by Micellar Electrokinetic Chromatography

    The contamination of water represents a major problem in many parts of the world. Endocrine disrupting compounds belong to the water contaminants and affect, besides other things, hormonal equilibrium in the l...

    Martins Rucins, Daniel Baron, Aiva Plotniece, Jan Petr in Chromatographia (2018)

  15. No Access

    Article

    Effects of systematic partial volume errors on the estimation of gray matter cerebral blood flow with arterial spin labeling MRI

    Partial volume (PV) correction is an important step in arterial spin labeling (ASL) MRI that is used to separate perfusion from structural effects when computing the mean gray matter (GM) perfusion. There are ...

    Jan Petr, Henri J. M. M. Mutsaerts in Magnetic Resonance Materials in Physics, B… (2018)

  16. No Access

    Article

    Determination of citrate released from stabilized gold nanoparticles by capillary zone electrophoresis

    In this article, we report a pilot study on release of citrate ions from citrate-stabilized gold nanoparticles by capillary zone electrophoresis. First, a method for determination of citrate released from nano...

    Jana Horská, Juraj Ševčík, Jan Petr in Chemical Papers (2018)

  17. No Access

    Chapter

    The Biology Olympiad as a Resource and Inspiration for Inquiry-Based Science Teaching

    This chapter examines whether the environment of Science Olympiads and competition tasks produced within the Olympiad framework can provide opportunities for teacher preparation for inquiry science teaching, b...

    Jan Petr, Miroslav Papáček, Iva Stuchlíková in Professional Development for Inquiry-Based… (2018)

  18. No Access

    Chapter

    Students’ Perspectives on Peer Assessment

    This chapter reports the results of three research studies on peer assessment carried out in different countries where it is an unusual practice (France, Switzerland, and the Czech Republic). The three researc...

    Florence Le Hebel, Costas P. Constantinou, Alena Hospesova in Transforming Assessment (2018)

  19. Article

    Advances in Chromatography and Electrophoresis 2016 and Chiranal 2016

    Jan Petr in Chromatographia (2017)

  20. No Access

    Article

    Enantiomeric purity control of R-cinacalcet in pharmaceutical product by capillary electrophoresis

    The capillary zone electrophoresis method was developed for the chiral separation of R,S-cinacalcet. Cyclodextrins with different substituents were tested in both acidic and alkaline background electrolytes. The ...

    Pavlína Ginterová, Joanna Znaleziona, Radim Knob, Michal Douša, Jan Petr in Chemical Papers (2016)

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