{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T00:47:26Z","timestamp":1760230046674,"version":"build-2065373602"},"reference-count":56,"publisher":"MDPI AG","issue":"14","license":[{"start":{"date-parts":[[2022,7,9]],"date-time":"2022-07-09T00:00:00Z","timestamp":1657324800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004281","name":"National Science Centre","doi-asserted-by":"publisher","award":["2017\/25\/N\/NZ7\/01705"],"award-info":[{"award-number":["2017\/25\/N\/NZ7\/01705"]}],"id":[{"id":"10.13039\/501100004281","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Molecules"],"abstract":"<jats:p>A sulfanyl porphyrazine derivative with peripheral phthalimide moieties was metallated with cobalt(II) and iron(II) metal ions. The purity of the macrocycles was confirmed by HPLC, and subsequently, compounds were characterized using various analytical methods (ES-TOF, MALDI-TOF, UV\u2013VIS, and NMR spectroscopy). To obtain hybrid electroactive electrode materials, novel porphyrazines were combined with multiwalled carbon nanotubes. The electrocatalytic effect derived from cobalt(II) and iron(II) cations was evaluated. As a result, a significant decrease in the overpotential was observed compared with that obtained with bare glassy carbon (GC) or glassy carbon electrode\/carbon nanotubes (GC\/MWCNTs), which allowed for sensitive determination of hydrogen peroxide in neutral conditions (pH 7.4). The prepared sensor enables a linear response to H2O2 concentrations of 1\u201390 \u00b5M. A low detection limit of 0.18 \u03bcM and a high sensitivity of 640 \u03bcA mM\u22121 cm\u22122 were obtained. These results indicate that the obtained sensors could potentially be applied in biomedical and environmental fields.<\/jats:p>","DOI":"10.3390\/molecules27144409","type":"journal-article","created":{"date-parts":[[2022,7,11]],"date-time":"2022-07-11T00:06:21Z","timestamp":1657497981000},"page":"4409","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["A Synergistic Effect of Phthalimide-Substituted Sulfanyl Porphyrazines and Carbon Nanotubes to Improve the Electrocatalytic Detection of Hydrogen Peroxide"],"prefix":"10.3390","volume":"27","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0271-810X","authenticated-orcid":false,"given":"Michal","family":"Falkowski","sequence":"first","affiliation":[{"name":"Department of Medicinal Chemistry, Collegium Medicum in Bydgoszcz, Faculty of Pharmacy, Nicolaus Copernicus University in Torun, Dr. A. Jurasza 2, 85-089 Bydgoszcz, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Amanda","family":"Leda","sequence":"additional","affiliation":[{"name":"Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, Berdychowo 4, 60-965 Poznan, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tomasz","family":"Rebis","sequence":"additional","affiliation":[{"name":"Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, Berdychowo 4, 60-965 Poznan, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4904-8502","authenticated-orcid":false,"given":"Jaroslaw","family":"Piskorz","sequence":"additional","affiliation":[{"name":"Chair and Department of Inorganic and Analytical Chemistry, Poznan University of Medical Sciences, Rokietnicka 3, 60-806 Poznan, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1117-3081","authenticated-orcid":false,"given":"Lukasz","family":"Popenda","sequence":"additional","affiliation":[{"name":"NanoBioMedical Centre, Adam Mickiewicz University in Poznan, Wszechnicy Piastowskiej 3, 61-614 Poznan, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mina","family":"Hassani","sequence":"additional","affiliation":[{"name":"Department of Medicinal Chemistry, Collegium Medicum in Bydgoszcz, Faculty of Pharmacy, Nicolaus Copernicus University in Torun, Dr. A. Jurasza 2, 85-089 Bydgoszcz, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3583-0752","authenticated-orcid":false,"given":"Dariusz T.","family":"Mlynarczyk","sequence":"additional","affiliation":[{"name":"Chair and Department of Chemical Technology of Drugs, Poznan University of Medical Sciences, Grunwaldzka 6, 60-780 Poznan, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michal P.","family":"Marszall","sequence":"additional","affiliation":[{"name":"Department of Medicinal Chemistry, Collegium Medicum in Bydgoszcz, Faculty of Pharmacy, Nicolaus Copernicus University in Torun, Dr. A. Jurasza 2, 85-089 Bydgoszcz, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Grzegorz","family":"Milczarek","sequence":"additional","affiliation":[{"name":"Institute of Chemistry and Technical Electrochemistry, Poznan University of Technology, Berdychowo 4, 60-965 Poznan, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2022,7,9]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"132555","DOI":"10.1016\/j.foodchem.2022.132555","article-title":"Fabrication and Application of Electrochemical Sensor for Analyzing Hydrogen Peroxide in Food System and Biological Samples","volume":"385","author":"Xing","year":"2022","journal-title":"Food Chem."},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"57","DOI":"10.1016\/j.procbio.2022.01.025","article-title":"Recent Advances in Electrochemical Analysis of Hydrogen Peroxide towards in Vivo Detection","volume":"115","author":"Deng","year":"2022","journal-title":"Process Biochem."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"244","DOI":"10.1016\/j.redox.2016.08.015","article-title":"Redox Signaling in Cardiovascular Pathophysiology: A Focus on Hydrogen Peroxide and Vascular Smooth Muscle Cells","volume":"9","author":"Byon","year":"2016","journal-title":"Redox Biol."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"107199","DOI":"10.1016\/j.microc.2022.107199","article-title":"Preparation of an Electrochemical Sensor Based on a HKUST-1\/CoFe2O4\/SiO2-Modified Carbon Paste Electrode for Determination of Azaperone","volume":"175","author":"Ghalkhani","year":"2022","journal-title":"Microchem. 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