{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,3]],"date-time":"2026-07-03T13:17:43Z","timestamp":1783084663867,"version":"3.54.6"},"reference-count":36,"publisher":"Springer Science and Business Media LLC","issue":"6","license":[{"start":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T00:00:00Z","timestamp":1781827200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T00:00:00Z","timestamp":1781827200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"funder":[{"DOI":"10.13039\/501100002383","name":"King Saud University","doi-asserted-by":"publisher","award":["ORF-2026-939"],"award-info":[{"award-number":["ORF-2026-939"]}],"id":[{"id":"10.13039\/501100002383","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["J Fluoresc"],"DOI":"10.1007\/s10895-026-04848-8","type":"journal-article","created":{"date-parts":[[2026,6,19]],"date-time":"2026-06-19T04:51:35Z","timestamp":1781844695000},"page":"4141-4154","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Triphenylamine-Based Colorimetric and Fluorometric Sensor for Cu\u00b2\u207a, Co\u00b2\u207a Ions and Volatile Acid Vapour: Experimental and DFT Studies"],"prefix":"10.1007","volume":"36","author":[{"given":"Aravind R.","family":"Nesaragi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Faisal","family":"Imam","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Muzaffar","family":"Iqbal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jyoti","family":"Nagalik","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sangeeta","family":"Benni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sharanakumar","family":"T. M.","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nisha","family":"Bansal","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akash","family":"Verma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Thakur Gurjeet","family":"Singh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Poulami","family":"Majumder","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sanjeev R.","family":"Inamdar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"M.","family":"Dinamani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,6,19]]},"reference":[{"key":"4848_CR1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jphotochem.2024.115565","volume":"452","author":"KK Harish","year":"2024","unstructured":"Harish KK, Nesaragi AR, Kalagatur NK, Naik P, Madegowda M, Pandith A, Dahlous KA, Mohammad S, Shivarudrappa HP, Sharanakumar TM (2024) Imidazole-centred cupric ions sensor: experimental validation, theoretical understanding, and zebrafish bioimaging. J Photochem Photobiol A Chem 452:115565","journal-title":"J Photochem Photobiol A Chem"},{"key":"4848_CR2","doi-asserted-by":"publisher","DOI":"10.1016\/j.molstruc.2024.140816","volume":"1324","author":"AR Nesaragi","year":"2025","unstructured":"Nesaragi AR, Nagalik J, Sharanakumar TM, Guddappa H, Tigari G, Almutairi TM, Inamdar SR, Pandith A (2025) Imidazole-thiazole based dual chemosensor for Cu2\u2009+\u2009and Co2\u2009+\u2009ions with identical excitation wavelength and colorimetric TFA sensing, theoretical validation. J Mol Struct 1324:140816","journal-title":"J Mol Struct"},{"issue":"2","key":"4848_CR3","doi-asserted-by":"publisher","first-page":"452","DOI":"10.1002\/slct.201902920","volume":"5","author":"N Dey","year":"2020","unstructured":"Dey N, Bhattacharjee S, Bhattacharya S (2020) Addressing multiple ions using single optical probe: multi-color response via mutually independent sensing pathways. ChemistrySelect 5(2):452\u2013462","journal-title":"ChemistrySelect"},{"issue":"10","key":"4848_CR4","doi-asserted-by":"publisher","first-page":"12807","DOI":"10.1021\/acssuschemeng.8b02065","volume":"6","author":"N Dey","year":"2018","unstructured":"Dey N, Biswakarma D, Gulyani A, Bhattacharya S (2018) Microenvironment sensitive charge-transfer dye for tandem sensing of multiple analytes at mesoscopic interfaces. ACS Sustain Chem Eng 6(10):12807\u201312816","journal-title":"ACS Sustain Chem Eng"},{"issue":"3","key":"4848_CR5","doi-asserted-by":"publisher","first-page":"447","DOI":"10.3390\/org4030032","volume":"4","author":"D Biswakarma","year":"2023","unstructured":"Biswakarma D, Dey N, Bhattacharya S (2023) Stimuli-sensitive pyrenylated hydrogels as optical sensing platform for multiple metal ions. Organics 4(3):447\u2013458","journal-title":"Organics"},{"key":"4848_CR6","doi-asserted-by":"publisher","DOI":"10.1016\/j.colsurfa.2023.132322","volume":"677","author":"S Mondal","year":"2023","unstructured":"Mondal S, Barkale HV, Dey N (2023) Detection of multiple metal ions exclusively at bilayer interface: does the nature of the membranous aggregates affect the sensitivity? Colloids Surf A Physicochem Eng Asp 677:132322","journal-title":"Colloids Surf A Physicochem Eng Asp"},{"key":"4848_CR7","doi-asserted-by":"publisher","DOI":"10.1039\/D5NJ01796C","author":"AR Nesaragi","year":"2025","unstructured":"Nesaragi AR, Nagalik J, Chapi S, M H, K. D. V, Kalagatur NK, Ravikumar CH, Inamdar SR, H. P. S, Al-Zaqri N (2025) Coumarin based dual fluorescent sensor for Co 2+, Cu 2\u2009+\u2009ions with volatile acid vapour sensing and validation from DFT, zebrafish bioimaging studies. New J Chem. https:\/\/doi.org\/10.1039\/D5NJ01796C","journal-title":"New J Chem"},{"issue":"1","key":"4848_CR8","doi-asserted-by":"publisher","first-page":"38644","DOI":"10.1038\/s41598-025-22551-9","volume":"15","author":"AR Nesaragi","year":"2025","unstructured":"Nesaragi AR, Nagalik J, Chapi S, M. ST, D. VK, Kalagatur NK, Poda S, Inamdar SR, P. SH, Almeer R (2025) Protan triggered colorimetric and fluorometric responsive coumarin coupled imidazole as Co2\u2009+\u2009sensor, DFT and zebrafish bioimaging studies. Sci Rep 15(1):38644. https:\/\/doi.org\/10.1038\/s41598-025-22551-9","journal-title":"Sci Rep"},{"issue":"24","key":"4848_CR9","doi-asserted-by":"publisher","first-page":"13075","DOI":"10.1021\/ic301822r","volume":"51","author":"M Taki","year":"2012","unstructured":"Taki M, Akaoka K, Iyoshi S, Yamamoto Y (2012) Rosamine-based fluorescent sensor with femtomolar affinity for the reversible detection of a mercury ion. Inorg Chem 51(24):13075\u201313077","journal-title":"Inorg Chem"},{"key":"4848_CR10","doi-asserted-by":"publisher","first-page":"227","DOI":"10.1016\/j.jlumin.2017.11.048","volume":"196","author":"T Puangsamlee","year":"2018","unstructured":"Puangsamlee T, Tachapermpon Y, Kammalun P, Sukrat K, Wainiphithapong C, Sirirak J, Wanichacheva N (2018) Solvent control bifunctional fluorescence probe for selective detection of Cu2\u2009+\u2009and Hg2\u2009+\u2009via the excimer of pyrenylacetamide subunits. J Lumin 196:227\u2013235","journal-title":"J Lumin"},{"key":"4848_CR11","doi-asserted-by":"publisher","first-page":"55","DOI":"10.1016\/j.msec.2016.12.131","volume":"74","author":"N Maurya","year":"2017","unstructured":"Maurya N, Bhardwaj S, Singh AK (2017) Selective colorimetric and fluorescence \u2018turn-on\u2019sensor for Ag\u2009+\u2009and in-situ sensing of CN\u2212(off\u2013on-off) via displacement approach. Mater Sci Eng C 74:55\u201361","journal-title":"Mater Sci Eng C"},{"issue":"12","key":"4848_CR12","doi-asserted-by":"publisher","first-page":"4814","DOI":"10.1039\/C6NJ03926J","volume":"41","author":"N Maurya","year":"2017","unstructured":"Maurya N, Singh AK (2017) Effective ensemble system for the identification of CN\u2212 based on a cobalt (Ii) complex: a logic gate mimic. New J Chem 41(12):4814\u20134819","journal-title":"New J Chem"},{"key":"4848_CR13","doi-asserted-by":"publisher","first-page":"484","DOI":"10.1016\/j.dyepig.2017.08.046","volume":"147","author":"N Maurya","year":"2017","unstructured":"Maurya N, Singh AK (2017) Indirect approach for CN\u2212 detection via Cu2\u2009+\u2009induced turn-off sensor: using novel AIEE fluorophore with logic gate and antimicrobial application. Dye Pigment 147:484\u2013490","journal-title":"Dye Pigment"},{"issue":"32","key":"4848_CR14","doi-asserted-by":"publisher","first-page":"14495","DOI":"10.1039\/D1NJ02908H","volume":"45","author":"SO T\u00fcmay","year":"2021","unstructured":"T\u00fcmay SO, \u015eanko V, \u015eenocak A, Demirbas E (2021) A hybrid nanosensor based on novel fluorescent iron oxide nanoparticles for highly selective determination of Hg 2\u2009+\u2009ions in environmental samples. New J Chem 45(32):14495\u201314507","journal-title":"New J Chem"},{"key":"4848_CR15","doi-asserted-by":"publisher","first-page":"753","DOI":"10.1016\/j.snb.2018.01.003","volume":"260","author":"S Bhardwaj","year":"2018","unstructured":"Bhardwaj S, Maurya N, Singh AK (2018) Chromone based fluorescent organic nanoparticles for high-precision in-situ sensing of Cu2\u2009+\u2009and CN\u2212 ions in 100% aqueous solutions. Sens Actuators B Chem 260:753\u2013762","journal-title":"Sens Actuators B Chem"},{"issue":"1","key":"4848_CR16","doi-asserted-by":"publisher","DOI":"10.1002\/bio.70400","volume":"41","author":"C Prakash","year":"2026","unstructured":"Prakash C, Kanjariya DC, Jauhari S, Maurya N, Gupta MK (2026) Chromogenic \u2018naked eye\u2019and \u2018turn-on\u2019fluorescent sensor for detection of Al3\u2009+\u2009ion based on naphthalene carbohydrazide: mimicking logic gate applications. Luminescence 41(1):e70400","journal-title":"Luminescence"},{"issue":"14","key":"4848_CR17","doi-asserted-by":"publisher","first-page":"5729","DOI":"10.1039\/D5NJ00412H","volume":"49","author":"AR Nesaragi","year":"2025","unstructured":"Nesaragi AR, Naik P, Mulla BBA, Al-Zaqri N, Cc V, Kalagatur NK, Tm S, Guddappa H, Sidarai AH, Hp S (2025) Selective Al 3\u2009+\u2009and Fe 3\u2009+\u2009detection using imidazole\u2013oxadiazole sensors: bioimaging evidence from zebrafish. New J Chem 49(14):5729\u20135739","journal-title":"New J Chem"},{"key":"4848_CR18","doi-asserted-by":"publisher","DOI":"10.1016\/j.optmat.2024.114850","volume":"148","author":"AR Nesaragi","year":"2024","unstructured":"Nesaragi AR, Ahmed J, Alsaiari M, Naik L, Kalagatur NK, Chandan HR, Hoolageri SR, Harraz FA, Balakrishna RG, Patil SA (2024) Fluorescent imidazole derived sensor for selective in vitro and in vivo Fe2\u2009+\u2009detection and bioimaging in zebrafish with DFT studies. Opt Mater 148:114850","journal-title":"Opt Mater"},{"issue":"11","key":"4848_CR19","doi-asserted-by":"publisher","first-page":"2230","DOI":"10.1002\/cphc.201402076","volume":"15","author":"S Patil","year":"2014","unstructured":"Patil S, Fegade U, Sahoo SK, Singh A, Marek J, Singh N, Bendre R, Kuwar A (2014) Highly sensitive ratiometric chemosensor for selective\u2032 naked-eye\u2032 nanomolar detection of Co2\u2009+\u2009in semi\u2010aqueous media. ChemPhysChem 15(11):2230\u20132235","journal-title":"ChemPhysChem"},{"key":"4848_CR20","doi-asserted-by":"publisher","first-page":"136","DOI":"10.1016\/j.saa.2018.03.004","volume":"198","author":"PG Mahajan","year":"2018","unstructured":"Mahajan PG, Dige NC, Desai NK, Patil SR, Kondalkar VV, Hong S-K, Lee KH (2018) Selective detection of Co2\u2009+\u2009by fluorescent nano probe: diagnostic approach for analysis of environmental samples and biological activities. Spectrochim Acta A Mol Biomol Spectrosc 198:136\u2013144","journal-title":"Spectrochim Acta A Mol Biomol Spectrosc"},{"key":"4848_CR21","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1016\/j.saa.2018.12.017","volume":"212","author":"Y Wang","year":"2019","unstructured":"Wang Y, Wu H, Wu W-N, Mao X-J, Zhao X-L, Xu Z-Q, Xu Z-H, Fan Y-C (2019) Novel rhodamine-based colorimetric and fluorescent sensor for the dual-channel detection of Cu2\u2009+\u2009and Co2+\/trivalent metal ions and its AIRE activities. Spectrochim Acta Part A Mol Biomol Spectrosc 212:1\u20139","journal-title":"Spectrochim Acta Part A Mol Biomol Spectrosc"},{"issue":"85","key":"4848_CR22","doi-asserted-by":"publisher","first-page":"12951","DOI":"10.1039\/C4CC05913A","volume":"50","author":"X Zhu","year":"2014","unstructured":"Zhu X, Liu R, Li Y, Huang H, Wang Q, Wang D, Zhu X, Liu S, Zhu H (2014) An AIE-active boron-difluoride complex: multi-stimuli-responsive fluorescence and application in data security protection. Chem Commun 50(85):12951\u201312954","journal-title":"Chem Commun"},{"issue":"1","key":"4848_CR23","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-024-55094-0","volume":"15","author":"W He","year":"2024","unstructured":"He W, Zhu J, Feng Y, Liang F, You K, Chai H, Sui Z, Hao H, Li G, Zhao J (2024) Neuromorphic-enabled video-activated cell sorting. Nat Commun 15(1):10792","journal-title":"Nat Commun"},{"issue":"42","key":"4848_CR24","doi-asserted-by":"publisher","first-page":"16786","DOI":"10.1021\/ja207718t","volume":"133","author":"H Lin","year":"2011","unstructured":"Lin H, Jang M, Suslick KS (2011) Preoxidation for colorimetric sensor array detection of VOCs. J Am Chem Soc 133(42):16786\u201316789","journal-title":"J Am Chem Soc"},{"key":"4848_CR25","doi-asserted-by":"publisher","first-page":"31","DOI":"10.1016\/j.dyepig.2016.08.032","volume":"136","author":"S Kothavale","year":"2017","unstructured":"Kothavale S, Sekar N (2017) Novel pyrazino-phenanthroline based rigid donor-\u03c0-acceptor compounds: a detail study of optical properties, acidochromism, solvatochromism and structure-property relationship. Dye Pigment 136:31\u201345","journal-title":"Dye Pigment"},{"key":"4848_CR26","doi-asserted-by":"publisher","DOI":"10.1016\/j.dyepig.2021.109613","volume":"194","author":"S Lee","year":"2021","unstructured":"Lee S, Kim S-H, Lee S, Lee Y, Lee YS, Yang K-H, Wang K-K, Han W-S (2021) Pyridazine\u2013carbazole based fluorescent probes for volatile acid detection. Dyes Pigments 194:109613","journal-title":"Dyes Pigments"},{"key":"4848_CR27","doi-asserted-by":"publisher","DOI":"10.1016\/j.molstruc.2024.140816","author":"AR Nesaragi","year":"2024","unstructured":"Nesaragi AR, Nagalik J, Sharanakumar TM, Guddappa H, Tigari G, Almutairi TM, Inamdar SR, Pandith A (2024) Imidazole-thiazole based dual chemosensor for Cu2\u2009+\u2009and Co2\u2009+\u2009ions with identical excitation wavelength and colorimetric TFA sensing, theoretical validation. J Mol Struct. https:\/\/doi.org\/10.1016\/j.molstruc.2024.140816","journal-title":"J Mol Struct"},{"issue":"12","key":"4848_CR28","doi-asserted-by":"publisher","DOI":"10.1002\/bio.70368","volume":"40","author":"AR Nesaragi","year":"2025","unstructured":"Nesaragi AR, Nagalik J, Chapi S, Bansal N, Singh TG, Kd V, Kalagatur NK, Inamdar SR, Hp S, Al-Zaqri N (2025) Acid vapor responsive coumarin coupled imidazole as colorimetric and fluorometric Co2\u2009+\u2009sensor, DFT, and zebrafish bioimaging studies. Luminescence 40(12):e70368","journal-title":"Luminescence"},{"issue":"43","key":"4848_CR29","doi-asserted-by":"publisher","first-page":"5648","DOI":"10.1016\/j.tetlet.2011.08.092","volume":"52","author":"AJ Weerasinghe","year":"2011","unstructured":"Weerasinghe AJ, Abebe FA, Sinn E (2011) Rhodamine based turn-ON dual sensor for Fe3+ and Cu2+. Tetrahedron Lett 52(43):5648\u20135651","journal-title":"Tetrahedron Lett"},{"issue":"1","key":"4848_CR30","doi-asserted-by":"publisher","first-page":"1358","DOI":"10.3390\/s140101358","volume":"14","author":"O Garc\u00eda-Beltr\u00e1n","year":"2014","unstructured":"Garc\u00eda-Beltr\u00e1n O, Cassels BK, P\u00e9rez C, Mena N, N\u00fa\u00f1ez MT, Mart\u00ednez NP, Pavez P, Aliaga ME (2014) Coumarin-based fluorescent probes for dual recognition of copper (II) and iron (III) ions and their application in bio-imaging. Sensors (Basel) 14(1):1358\u20131371","journal-title":"Sensors (Basel)"},{"key":"4848_CR31","doi-asserted-by":"publisher","first-page":"332","DOI":"10.1016\/j.snb.2015.11.132","volume":"226","author":"M Li","year":"2016","unstructured":"Li M, Sun Y, Dong L, Feng Q-C, Xu H, Zang S-Q, Mak TCW (2016) Colorimetric recognition of Cu2+ and fluorescent detection of Hg2+ in aqueous media by a dual chemosensor derived from rhodamine B dye with a NS2 receptor. Sens Actuators B Chem 226:332\u2013341","journal-title":"Sens Actuators B Chem"},{"key":"4848_CR32","doi-asserted-by":"publisher","first-page":"186","DOI":"10.1016\/j.saa.2013.02.043","volume":"109","author":"L Yang","year":"2013","unstructured":"Yang L, Zhu W, Fang M, Zhang Q, Li C (2013) A new carbazole-based schiff-base as fluorescent chemosensor for selective detection of Fe3+ and Cu2+. Spectrochim Acta A Mol Biomol Spectrosc 109:186\u2013192","journal-title":"Spectrochim Acta A Mol Biomol Spectrosc"},{"issue":"43","key":"4848_CR33","doi-asserted-by":"publisher","first-page":"5554","DOI":"10.1016\/j.tetlet.2011.08.072","volume":"52","author":"FA Abebe","year":"2011","unstructured":"Abebe FA, Eribal CS, Ramakrishna G, Sinn E (2011) A \u2018turn-on\u2019 fluorescent sensor for the selective detection of cobalt and nickel ions in aqueous media. Tetrahedron Lett 52(43):5554\u20135558","journal-title":"Tetrahedron Lett"},{"issue":"3","key":"4848_CR34","doi-asserted-by":"publisher","first-page":"266","DOI":"10.1166\/sl.2017.3798","volume":"15","author":"V Raju","year":"2017","unstructured":"Raju V, Kumar SK, Abbareddy DS, Rao M, Sahoo SK (2017) Isatin-3-phenylhydrazone: a highly selective colorimetric chemosensor for copper, chromium and cobalt ions in semi-aqueous medium. Sens Lett 15(3):266\u2013275","journal-title":"Sens Lett"},{"issue":"33","key":"4848_CR35","doi-asserted-by":"publisher","first-page":"28081","DOI":"10.1039\/C6RA03364D","volume":"6","author":"SY Lee","year":"2016","unstructured":"Lee SY, Lee JJ, Bok KH, Kim SY, Kim C (2016) Highly selective and sensitive colorimetric chemosensor for detection of Co2+ in a near-perfect aqueous solution. RSC Adv 6(33):28081\u201328088","journal-title":"RSC Adv"},{"issue":"29","key":"4848_CR36","doi-asserted-by":"publisher","first-page":"17650","DOI":"10.1039\/C7RA01580A","volume":"7","author":"HJ Jang","year":"2017","unstructured":"Jang HJ, Jo TG, Kim C (2017) A single colorimetric sensor for multiple targets: the sequential detection of Co2+ and cyanide and the selective detection of Cu2+ in aqueous solution. RSC Adv 7(29):17650\u201317659","journal-title":"RSC Adv"}],"container-title":["Journal of Fluorescence"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s10895-026-04848-8.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s10895-026-04848-8","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s10895-026-04848-8.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,7,3]],"date-time":"2026-07-03T12:15:31Z","timestamp":1783080931000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s10895-026-04848-8"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,6,19]]},"references-count":36,"journal-issue":{"issue":"6","published-online":{"date-parts":[[2026,6]]}},"alternative-id":["4848"],"URL":"https:\/\/doi.org\/10.1007\/s10895-026-04848-8","relation":{},"ISSN":["1573-4994"],"issn-type":[{"value":"1573-4994","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,6,19]]},"assertion":[{"value":"4 May 2026","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"12 June 2026","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"19 June 2026","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"The authors declare no competing interests.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}]}}