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  • Open Access

    ARTICLE

    Lactoferrin-Conjugated Polylactic Acid Nanobubbles Encapsulated Perfluoropentane as a Contrast Agent for Ultrasound/Magnetic Resonance Dual-Modality Imaging

    Liqiong Ding1, Pingsheng Li2, Liu He1, Fengnan Xu1, Jieqiong Ding3,*, Binhua Luo1,*

    Journal of Renewable Materials, Vol.10, No.3, pp. 767-780, 2022, DOI:10.32604/jrm.2022.016903 - 28 September 2021

    Abstract The development of contrast agents that can be activated by multiple modes is of great significance for tumor diagnosis. In this study, the lactoferrin (Lf)-conjugated polylactic acid (PLLA) nanobubbles (Lf-PLLA NBs) were used to encapsulate liquid perfluoropentane (PFP) with the double emulsion method, creating PFP loaded (PFP/Lf-PLLA) NBs for the ultrasound/magnetic resonance dual-modality imaging of subcutaneous tumor. The particle diameter and stability of nanobubbles were investigated by photon correlation spectroscopy. The biocompatibility of nanobubbles was preliminarily evaluated by cell proliferation and migration assay, hemolysis rate, and blood biochemistry analysis. A B-mode clinical ultrasound real-time imaging… More >

  • Open Access

    ARTICLE

    Usefulness of selected laboratory markers in ulcerative colitis

    Dorota Mańkowska-Wierzbicka, Ewelina Swora-Cwynar, Barbara Poniedziałek, Zygmunt Adamski, Agnieszka Dobrowolska, Jacek Karczewski

    European Cytokine Network, Vol.26, No.2, pp. 26-37, 2015, DOI:10.1684/ecn.2015.0363

    Abstract Introduction: This study aimed to compare the accuracy of selected laboratory markers in assessing disease activity in patients with ulcerative colitis (UC). The analysis included serum IL-2, IL-4, IL-6, IL-10, IL-17, TNF-α, IFN-γ, hsCRP, peripheral regulatory T cells, as well as fecal calprotectin and lactoferrin. Patients and methods: A group of 45 adults with UC was enrolled in the study. Disease activity was assessed using the Mayo endoscopic index, while for clinical activity scoring, the Clinical Activity Index (CAI) was used. Concentrations of markers investigated were estimated by means of flow cytometry and enzyme-linked immunosorbent… More >

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