PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 34013303-1 2021 A label-free multiplexed electrochemical biosensor based on a gold nanoparticles/graphene quantum dots/graphene oxide (AuNPs/GQDs/GO) modified three-screen-printed carbon electrode (3SPCE) array is successfully constructed to detect miRNA-21, miRNA-155, and miRNA-210 biomarkers for the first time. Graphite 81-89 microRNA 21 Homo sapiens 233-241 22776181-3 2012 For the detection of mir21, capture probes and/or cell lysates were covalently attached onto the pencil graphite electrode (PGE) by coupling agents of N-(dimethylamino)propyl-N"-ethylcarbodiimide hydrochloride (EDC) and N-hydroxysulfosuccinimide (NHS). Graphite 104-112 microRNA 21 Homo sapiens 21-26 22317835-3 2012 In this work, a highly sensitive biosensor for sequence specific miRNA-21 detection without miRNA-21 labeling and enrichment was constructed based on the substrate electrode of dendritic gold nanostructure (DenAu) and graphene nanosheets modified glassy carbon electrode. Graphite 218-226 microRNA 21 Homo sapiens 65-73 28342314-1 2017 In this work, a novel electrochemical biosensor for miRNA-21 determination, involving a sandwich hybridization assay onto gold nanoparticles modified pencil graphite electrode (PGE) and enzyme signal amplification was reported. Graphite 157-165 microRNA 21 Homo sapiens 52-60 33624680-3 2021 In this work, a novel paper-based electrochemical peptide nucleic acid (PNA) sensor was developed for the detection of miRNA-21 in human plasma samples by using Ag@Au core-shell nanoparticles electrodeposited on graphene quantum dots (GQD) conductive nano-ink (Ag@Au core-shell/GQD nano-ink), which was designed directly by writing pen-on paper technology on the surface of photographic paper. Graphite 212-220 microRNA 21 Homo sapiens 119-127 32479341-0 2020 A chemiresistive biosensor based on a layered graphene oxide/graphene composite for the sensitive and selective detection of circulating miRNA-21. Graphite 46-54 microRNA 21 Homo sapiens 137-145 32479341-1 2020 In this study we developed a uniform, large-area, layered graphene composite of graphene oxide/graphene (GO/G) for the detection of circulating miRNA-21, a reliable biomarker for early cancer diagnosis. Graphite 58-66 microRNA 21 Homo sapiens 144-152 32479341-1 2020 In this study we developed a uniform, large-area, layered graphene composite of graphene oxide/graphene (GO/G) for the detection of circulating miRNA-21, a reliable biomarker for early cancer diagnosis. Graphite 80-88 microRNA 21 Homo sapiens 144-152 32070776-0 2020 Secondary toxic effect of graphene oxide and graphene quantum dots alters the expression of miR-21 and miR-29a in human cell lines. Graphite 26-40 microRNA 21 Homo sapiens 92-98 32070776-0 2020 Secondary toxic effect of graphene oxide and graphene quantum dots alters the expression of miR-21 and miR-29a in human cell lines. Graphite 26-34 microRNA 21 Homo sapiens 92-98 31800164-2 2020 In this study, an acid-triggered charge-reversible graphene-based all-in-one nanocomplex is appropriately designed by surface modification with multilayer polymers and simultaneous co-transportation of photosensitizer indocyanine green (ICG) and oligonucleotide inhibitor of miR-21 (miR-21i) to achieve highly efficient genetic phototherapy in a controlled manner. Graphite 51-59 microRNA 21 Homo sapiens 275-281 31800164-2 2020 In this study, an acid-triggered charge-reversible graphene-based all-in-one nanocomplex is appropriately designed by surface modification with multilayer polymers and simultaneous co-transportation of photosensitizer indocyanine green (ICG) and oligonucleotide inhibitor of miR-21 (miR-21i) to achieve highly efficient genetic phototherapy in a controlled manner. Graphite 51-59 microRNA 21 Homo sapiens 283-290 27836600-1 2017 In the proposed study, for the first time, sensitive electrochemical detection of a breast cancer biomarker microRNA (miRNA), mir-21 was achieved via electropolymerized polypyrrole (PPy) modified pencil graphite electrodes (PPy/PGE). Graphite 203-211 microRNA 21 Homo sapiens 126-132