{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,13]],"date-time":"2026-10-13T20:47:38Z","timestamp":1791924458040,"version":"4.3.4"},"reference-count":65,"publisher":"American Chemical Society (ACS)","issue":"40","license":[{"start":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T00:00:00Z","timestamp":1790726400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,10,13]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>A novel, readily synthesizable boranil-based chemosensor, HSR, was structurally and spectroscopically characterized by single-crystal X-ray diffraction, IR spectroscopy, 1H, 13C, and 11B NMR spectroscopy, and high-resolution mass spectrometry (HRMS). HSR exhibited highly selective colorimetric and fluorescence responses toward the Fe3+ ion over a wide range of competing metal ions, including Na+, K+, Ba2+, Ca2+, Mg2+, Al3+, Zn2+, Ni2+, Cu2+, Co3+, Pb2+, Cd2+, Hg2+, and Fe2+. Upon Fe3+ addition, the solution color changes from pale yellow to red-brown, accompanied by pronounced quenching of fluorescence signals. Concentration-dependent Fe3+ ion titrations revealed significant modulation of the photoluminescence and UV\u2013vis absorption profiles. The binding stoichiometry and association constant between HSR and the Fe3+ ion were determined by UV\u2013vis and fluorescence titrations, Job\u2019s plot analysis, and HRMS, confirming strong complex formation. Notably, no interference from biologically relevant or toxic metal ions was observed. The limit of detection (LOD), calculated using the 3\u03c3 method, was 7.5 \u00d7 10\u20136 M. The association constant (Ka), obtained from a Benesi\u2013Hildebrand analysis, was 2.35 \u00d7 1015 M\u20131, indicating exceptionally strong Fe3+ ion binding. Furthermore, HSR displayed good solubility in mixed EtOH\/H2O media and efficient cellular uptake with no cytotoxicity, highlighting its suitability for the detection of the Fe3+ ion and bioimaging applications.<\/jats:p>","DOI":"10.1021\/acsomega.6c01069","type":"journal-article","created":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T13:02:49Z","timestamp":1790773369000},"page":"60700-60712","source":"Crossref","is-referenced-by-count":0,"title":["A Novel Boranil-Based\nColorimetric and Fluorescence\nQuenching Probe for Selective Detection and Bioimaging of the Fe3+ ion"],"prefix":"10.1021","volume":"11","author":[{"given":"Darakhshan","family":"Parveen","sequence":"first","affiliation":[{"name":"Kamla Nehru Institute of Physical and Social Sciences , , ,","place":["Sultanpur, Uttar Pradesh, India, 228118"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Saumya","family":"Singh","sequence":"additional","affiliation":[{"name":"Kamla Nehru Institute of Physical and Social Sciences , , ,","place":["Sultanpur, Uttar Pradesh, India, 228118"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-0186-4054","authenticated-orcid":true,"given":"Avadhesh Pratap","family":"Singh","sequence":"additional","affiliation":[{"name":"Kamla Nehru Institute of Physical and Social Sciences , , ,","place":["Sultanpur, Uttar Pradesh, India, 228118"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alok Kumar","family":"Verma","sequence":"additional","affiliation":[{"name":"Kamla Nehru Institute of Physical and Social Sciences , , ,","place":["Sultanpur, Uttar Pradesh, India, 228118"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abhishek","family":"Kumar","sequence":"additional","affiliation":[{"name":"Kamla Nehru Institute of Physical and Social Sciences , , ,","place":["Sultanpur, Uttar Pradesh, India, 228118"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chandni","family":"Singh","sequence":"additional","affiliation":[{"name":"Guru Ghasidas Vishwavidyalaya , , , ,","place":["Bilaspur, Chattisgarh, India, 495009"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9078-6240","authenticated-orcid":true,"given":"Suryabhan","family":"Singh","sequence":"additional","affiliation":[{"name":"Guru Ghasidas Vishwavidyalaya , , , ,","place":["Bilaspur, Chattisgarh, India, 495009"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9499-5843","authenticated-orcid":true,"given":"Ashish Kumar","family":"Singh","sequence":"additional","affiliation":[{"name":"Guru Ghasidas Vishwavidyalaya , , , ,","place":["Bilaspur, Chattisgarh, India, 495009"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8760-4031","authenticated-orcid":true,"given":"Divya Pratap","family":"Singh","sequence":"additional","affiliation":[{"name":"Rajkiya Engineering College , , ,","place":["Azamgarh, Uttar Pradesh, India, 276201"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mukesh","family":"Kumar","sequence":"additional","affiliation":[{"name":"Banaras Hindu University , , ,","place":["Varanasi, India, 221005"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6635-0586","authenticated-orcid":true,"given":"Ajay","family":"Kumar","sequence":"additional","affiliation":[{"name":"Banaras Hindu University , , ,","place":["Varanasi, India, 221005"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,9,30]]},"reference":[{"key":"2026101315095647800_cit1","doi-asserted-by":"publisher","first-page":"168","DOI":"10.1038\/nchembio.69","article-title":"Synthetic fluorescent sensors for studying the cell\nbiology of metals","volume":"4","author":"Domaille","year":"2008","journal-title":"Nat. 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