{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,9]],"date-time":"2026-01-09T21:19:45Z","timestamp":1767993585365,"version":"3.49.0"},"reference-count":53,"publisher":"Springer Science and Business Media LLC","issue":"2","license":[{"start":{"date-parts":[[2024,11,26]],"date-time":"2024-11-26T00:00:00Z","timestamp":1732579200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2024,11,26]],"date-time":"2024-11-26T00:00:00Z","timestamp":1732579200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["2020.08465.BD DOI 10.54499\/2020.08465.BD"],"award-info":[{"award-number":["2020.08465.BD DOI 10.54499\/2020.08465.BD"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["DL 57\/2016 \u2013 Norma transit\u00f3ria"],"award-info":[{"award-number":["DL 57\/2016 \u2013 Norma transit\u00f3ria"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["DL 57\/2016\/CP1346\/CT0033 DOI 10.54499\/DL57\/2016\/CP"],"award-info":[{"award-number":["DL 57\/2016\/CP1346\/CT0033 DOI 10.54499\/DL57\/2016\/CP"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001871","name":"Funda\u00e7\u00e3o para a Ci\u00eancia e a Tecnologia","doi-asserted-by":"publisher","award":["UIDB\/50006\/2020 DOI 10.54499\/UIDB\/50006\/2020"],"award-info":[{"award-number":["UIDB\/50006\/2020 DOI 10.54499\/UIDB\/50006\/2020"]}],"id":[{"id":"10.13039\/501100001871","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100006752","name":"Universidade do Porto","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100006752","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Anal Bioanal Chem"],"published-print":{"date-parts":[[2025,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Metal ion pollution poses a global concern due to its significant risks to both human health and environmental well-being. The toxicity of these ions can increase when they coexist, interacting with each other and with other harmful substances, even at low concentrations. Therefore, an accurate, rapid, and cost-effective methodology is urgently needed for the simultaneous quantification of multiple metal ions. This study presents a new approach for the multiplexed detection of various metal ions (Ag<jats:sup>+<\/jats:sup>, Cu<jats:sup>2+<\/jats:sup>, Hg<jats:sup>2+<\/jats:sup>, Al<jats:sup>3+<\/jats:sup>, Pb<jats:sup>2+<\/jats:sup>, Fe<jats:sup>3+<\/jats:sup>, Fe<jats:sup>2+<\/jats:sup>, Zn<jats:sup>2+<\/jats:sup>, Ni<jats:sup>2+<\/jats:sup>, Cd<jats:sup>2+<\/jats:sup>, and Ca<jats:sup>2+<\/jats:sup>) using a triple-emission nanoprobe comprising carbon dots and distinctly capped CdTe quantum dots, specifically green-emitting glutathione -quantum dots and red-emitting 3-mercaptopropionic acid-quantum dots. The method achieved high accuracy by analysing first- and second-order photoluminescence data with distinct advanced chemometric tools. R<jats:sup>2<\/jats:sup><jats:sub>P<\/jats:sub> values for partial least squares and unfolded partial least square models exceeding 0.9 for several metal ions at low concentrations (mmol L<jats:sup>\u22121<\/jats:sup>) were obtained. Additionally, PL second-order data yielded significantly better results than PL first-order data, attributed to the distinct behaviour of the metal ions over time. Interestingly, it was also noted for the first time the significant contribution of the molar ratio between the metal ions on the models\u2019 accuracy. This novel method provides a highly accurate and efficient way to detect multiple metal ions simultaneously, paving the way for improved environmental monitoring and pollution assessment. The utilization of the proposed method contributes to a better understanding of the complex interactions in mixed metal ion systems, allowing for earlier detection and mitigation of metal ion contamination threats.<\/jats:p>\n                <jats:p><jats:bold>Graphical Abstract<\/jats:bold><\/jats:p>","DOI":"10.1007\/s00216-024-05661-7","type":"journal-article","created":{"date-parts":[[2024,11,26]],"date-time":"2024-11-26T18:10:26Z","timestamp":1732644626000},"page":"417-433","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Chemometrically driven multiplexed metal ion detection using a triple emitting quantum dots\u2013based nanoprobe"],"prefix":"10.1007","volume":"417","author":[{"given":"Rafael C.","family":"Castro","sequence":"first","affiliation":[]},{"given":"Ricardo N. M. J.","family":"P\u00e1scoa","sequence":"additional","affiliation":[]},{"given":"M. L\u00facia M. F. S.","family":"Saraiva","sequence":"additional","affiliation":[]},{"given":"Jo\u00e3o L. M.","family":"Santos","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7879-0143","authenticated-orcid":false,"given":"David S. M.","family":"Ribeiro","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2024,11,26]]},"reference":[{"issue":"6","key":"5661_CR1","doi-asserted-by":"publisher","first-page":"336","DOI":"10.1007\/s00604-020-04297-5","volume":"187","author":"H Yin","year":"2020","unstructured":"Yin H, Truskewycz A, Cole IS. Quantum dot (QD)-based probes for multiplexed determination of heavy metal ions. Microchim Acta. 2020;187(6):336. https:\/\/doi.org\/10.1007\/s00604-020-04297-5.","journal-title":"Microchim Acta"},{"key":"5661_CR2","doi-asserted-by":"publisher","first-page":"214181","DOI":"10.1016\/j.ccr.2021.214181","volume":"448","author":"RC Castro","year":"2021","unstructured":"Castro RC, Saraiva MLMFS, Santos JLM, Ribeiro DSM. Multiplexed detection using quantum dots as photoluminescent sensing elements or optical labels. Coord Chem Rev. 2021;448:214181. https:\/\/doi.org\/10.1016\/j.ccr.2021.214181.","journal-title":"Coord Chem Rev"},{"key":"5661_CR3","doi-asserted-by":"publisher","unstructured":"Su H, Li Z, Fiati Kenston SS, Shi H, Wang Y, Song X, Gu Y, Barber T, Aldinger J, Zou B, Ding M, Zhao J, Lin X (2017) Joint toxicity of different heavy metal mixtures after a short-term oral repeated-administration in rats. Int J Environ Res Public Health 14 (10). https:\/\/doi.org\/10.3390\/ijerph14101164","DOI":"10.3390\/ijerph14101164"},{"issue":"1","key":"5661_CR4","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1289\/ehp.11654","volume":"117","author":"JL Mauderly","year":"2009","unstructured":"Mauderly JL, Samet JM. Is there evidence for synergy among air pollutants in causing health effects? Environ Health Perspect. 2009;117(1):1\u20136. https:\/\/doi.org\/10.1289\/ehp.11654.","journal-title":"Environ Health Perspect"},{"key":"5661_CR5","doi-asserted-by":"publisher","first-page":"112168","DOI":"10.1016\/j.bios.2020.112168","volume":"157","author":"Y Wu","year":"2020","unstructured":"Wu Y, Zhou Y, Leng Y, Lai W, Huang X, Xiong Y. Emerging design strategies for constructing multiplex lateral flow test strip sensors. Biosens Bioelectron. 2020;157:112168. https:\/\/doi.org\/10.1016\/j.bios.2020.112168.","journal-title":"Biosens Bioelectron"},{"issue":"2","key":"5661_CR6","doi-asserted-by":"publisher","first-page":"291","DOI":"10.1177\/1040638720903115","volume":"32","author":"S McGeehan","year":"2020","unstructured":"McGeehan S, Baszler T, Gaskill C, Johnson J, Smith L, Raisbeck M, Schrier N, Harris H, Talcott P. Interlaboratory comparison of heavy metal testing in animal diagnostic specimens and feed using inductively coupled plasma\u2013mass spectrometry. J Vet Diagn Invest. 2020;32(2):291\u2013300. https:\/\/doi.org\/10.1177\/1040638720903115.","journal-title":"J Vet Diagn Invest"},{"key":"5661_CR7","doi-asserted-by":"publisher","first-page":"178","DOI":"10.1016\/j.aca.2020.10.004","volume":"1140","author":"B Ar\u0131","year":"2020","unstructured":"Ar\u0131 B, Bak\u0131rdere S. A primary reference method for the characterization of Cd, Cr, Cu, Ni, Pb and Zn in a candidate certified reference seawater material: TEA\/Mg(OH)2 assisted ID3MS by triple quadrupole ICP-MS\/MS. Anal Chim Acta. 2020;1140:178\u201389. https:\/\/doi.org\/10.1016\/j.aca.2020.10.004.","journal-title":"Anal Chim Acta"},{"key":"5661_CR8","doi-asserted-by":"publisher","first-page":"341341","DOI":"10.1016\/j.aca.2023.341341","volume":"1269","author":"L Xiao","year":"2023","unstructured":"Xiao L, Zhao Y, Chang G, Yan H, Zou R, Zhang X, Wang S, He H. A 3D phytic acid cross-linked high-porous conductive hydrogel integrating g-C3N4 for electrochemical multiplex sensing of heavy metal ions. Anal Chim Acta. 2023;1269:341341. https:\/\/doi.org\/10.1016\/j.aca.2023.341341.","journal-title":"Anal Chim Acta"},{"key":"5661_CR9","doi-asserted-by":"publisher","first-page":"100464","DOI":"10.1016\/j.sbsr.2021.100464","volume":"34","author":"D Shi","year":"2021","unstructured":"Shi D, Wu W, Li X. Multiplexed detection of aqueous Cd2+, Pb2+ and Cu2+ ions at mercury-on-graphene film modified electrode by DPASV. Sens Bio-Sens Res. 2021;34:100464. https:\/\/doi.org\/10.1016\/j.sbsr.2021.100464.","journal-title":"Sens Bio-Sens Res"},{"key":"5661_CR10","doi-asserted-by":"publisher","first-page":"127212","DOI":"10.1016\/j.foodchem.2020.127212","volume":"330","author":"L Huang","year":"2020","unstructured":"Huang L, Huang W, Shen R, Shuai Q. Chitosan\/thiol functionalized metal\u2013organic framework composite for the simultaneous determination of lead and cadmium ions in food samples. Food Chem. 2020;330:127212. https:\/\/doi.org\/10.1016\/j.foodchem.2020.127212.","journal-title":"Food Chem"},{"key":"5661_CR11","doi-asserted-by":"publisher","first-page":"338795","DOI":"10.1016\/j.aca.2021.338795","volume":"1177","author":"SS Volynkin","year":"2021","unstructured":"Volynkin SS, Demakov PA, Shuvaeva OV, Kovalenko KA. Metal-organic framework application for mercury speciation using solid phase extraction followed by direct thermal release\u2013electrothermal atomization atomic absorption spectrophotometric detection (ETA AAS). Anal Chim Acta. 2021;1177:338795. https:\/\/doi.org\/10.1016\/j.aca.2021.338795.","journal-title":"Anal Chim Acta"},{"issue":"8","key":"5661_CR12","doi-asserted-by":"publisher","first-page":"2934","DOI":"10.1021\/ic800122v","volume":"47","author":"VM Zamarion","year":"2008","unstructured":"Zamarion VM, Timm RA, Araki K, Toma HE. Ultrasensitive SERS nanoprobes for hazardous metal ions based on trimercaptotriazine-modified gold nanoparticles. Inorg Chem. 2008;47(8):2934\u20136. https:\/\/doi.org\/10.1021\/ic800122v.","journal-title":"Inorg Chem"},{"issue":"9","key":"5661_CR13","doi-asserted-by":"publisher","first-page":"4933","DOI":"10.1021\/acs.analchem.5b00597","volume":"87","author":"GD O\u2019Neil","year":"2015","unstructured":"O\u2019Neil GD, Newton ME, Macpherson JV. Direct identification and analysis of heavy metals in solution (Hg, Cu, Pb, Zn, Ni) by use of in situ electrochemical X-ray fluorescence. Anal Chem. 2015;87(9):4933\u201340. https:\/\/doi.org\/10.1021\/acs.analchem.5b00597.","journal-title":"Anal Chem"},{"key":"5661_CR14","doi-asserted-by":"publisher","first-page":"177","DOI":"10.1016\/j.bios.2016.04.021","volume":"83","author":"J Li","year":"2016","unstructured":"Li J, Macdonald J. Multiplexed lateral flow biosensors: technological advances for radically improving point-of-care diagnoses. Biosens Bioelectron. 2016;83:177\u201392. https:\/\/doi.org\/10.1016\/j.bios.2016.04.021.","journal-title":"Biosens Bioelectron"},{"issue":"3","key":"5661_CR15","doi-asserted-by":"publisher","first-page":"161","DOI":"10.1007\/s00604-024-06247-x","volume":"191","author":"PDD Singh","year":"2024","unstructured":"Singh PDD, Murthy ZVP, Kailasa SK. Zinc nitride quantum dots as an efficient probe for simultaneous fluorescence detection of Cu2+ and Mn2+ ions in water samples. Microchim Acta. 2024;191(3):161. https:\/\/doi.org\/10.1007\/s00604-024-06247-x.","journal-title":"Microchim Acta"},{"key":"5661_CR16","doi-asserted-by":"publisher","first-page":"215605","DOI":"10.1016\/j.ccr.2023.215605","volume":"502","author":"RC Castro","year":"2024","unstructured":"Castro RC, P\u00e1scoa RNMJ, Saraiva MLMFS, Santos JLM, Ribeiro DSM. Chemometric models for data processing in quantum dots-based photoluminescence methodologies. Coord Chem Rev. 2024;502:215605. https:\/\/doi.org\/10.1016\/j.ccr.2023.215605.","journal-title":"Coord Chem Rev"},{"key":"5661_CR17","doi-asserted-by":"publisher","first-page":"117972","DOI":"10.1016\/j.trac.2024.117972","volume":"180","author":"RMM Santana","year":"2024","unstructured":"Santana RMM, Barbosa LSV, Benzi LG, Castro RC, Ribeiro DSM, Korn MGA, Santos JLM, Teixeira LSG. Strategies for enhancing the selectivity of quantum dot-based fluorometric methods. Trac-Trends Anal Chem. 2024;180:117972. https:\/\/doi.org\/10.1016\/j.trac.2024.117972.","journal-title":"Trac-Trends Anal Chem"},{"key":"5661_CR18","doi-asserted-by":"publisher","first-page":"112312","DOI":"10.1016\/j.dyepig.2024.112312","volume":"229","author":"JJP Oliveira","year":"2024","unstructured":"Oliveira JJP, Carneiro SV, Carvalho EF, Rodrigues VSF, Lima FEH, Matos WO, Fechine LMUD, Antunes RA, Neto MLA, Campos ATP, Moura TA, Cesar CL, Santos-Oliveira R, Carvalho HF, Paschoal AR, Freire RM, Carvalho CJR, Fechine PBA. Carbon quantum dots with ultra-high quantum yield for versatile turn-on sensor of gluten and cyanide Ions. Dyes Pigment. 2024;229:112312. https:\/\/doi.org\/10.1016\/j.dyepig.2024.112312.","journal-title":"Dyes Pigment"},{"issue":"9","key":"5661_CR19","doi-asserted-by":"publisher","first-page":"1455","DOI":"10.1007\/s44211-023-00360-2","volume":"39","author":"M Alimohammadi","year":"2023","unstructured":"Alimohammadi M, Tashkhourian J, Mostafapour S, Shamsipur M. A facile and eco-friendly fluorometric method for the determination of methotrexate and folic acid in biological samples based on hollow luminescent carbon dots and chemometrics method. Anal Sci. 2023;39(9):1455\u201364. https:\/\/doi.org\/10.1007\/s44211-023-00360-2.","journal-title":"Anal Sci"},{"key":"5661_CR20","doi-asserted-by":"publisher","first-page":"127","DOI":"10.1016\/j.ccr.2016.10.001","volume":"330","author":"SSM Rodrigues","year":"2017","unstructured":"Rodrigues SSM, Ribeiro DSM, Soares JX, Passos MLC, Saraiva MLMFS, Santos JLM. Application of nanocrystalline CdTe quantum dots in chemical analysis: implementation of chemo-sensing schemes based on analyte-triggered photoluminescence modulation. Coord Chem Rev. 2017;330:127\u201343. https:\/\/doi.org\/10.1016\/j.ccr.2016.10.001.","journal-title":"Coord Chem Rev"},{"key":"5661_CR21","doi-asserted-by":"publisher","first-page":"213637","DOI":"10.1016\/j.ccr.2020.213637","volume":"429","author":"RC Castro","year":"2021","unstructured":"Castro RC, Ribeiro DSM, Santos JLM. Visual detection using quantum dots sensing platforms. Coord Chem Rev. 2021;429:213637. https:\/\/doi.org\/10.1016\/j.ccr.2020.213637.","journal-title":"Coord Chem Rev"},{"issue":"14","key":"5661_CR22","doi-asserted-by":"publisher","first-page":"3283","DOI":"10.1007\/s00216-024-05225-9","volume":"416","author":"KD Wegner","year":"2024","unstructured":"Wegner KD, Resch-Genger U. The 2023 Nobel Prize in Chemistry: quantum dots. Anal Bioanal Chem. 2024;416(14):3283\u201393. https:\/\/doi.org\/10.1007\/s00216-024-05225-9.","journal-title":"Anal Bioanal Chem"},{"key":"5661_CR23","doi-asserted-by":"publisher","first-page":"572","DOI":"10.1016\/j.talanta.2017.06.071","volume":"174","author":"DB Bittar","year":"2017","unstructured":"Bittar DB, Ribeiro DSM, P\u00e1scoa RNMJ, Soares JX, Rodrigues SSM, Castro RC, Pezza L, Pezza HR, Santos JLM. Multiplexed analysis combining distinctly-sized CdTe-MPA quantum dots and chemometrics for multiple mutually interfering analyte determination. Talanta. 2017;174:572\u201380. https:\/\/doi.org\/10.1016\/j.talanta.2017.06.071.","journal-title":"Talanta"},{"key":"5661_CR24","doi-asserted-by":"publisher","first-page":"386","DOI":"10.1016\/j.jlumin.2018.11.035","volume":"207","author":"DSM Ribeiro","year":"2019","unstructured":"Ribeiro DSM, Castro RC, P\u00e1scoa RNMJ, Soares JX, Rodrigues SSM, Santos JLM. Tuning CdTe quantum dots reactivity for multipoint detection of mercury(II), silver(I) and copper(II). J Lumin. 2019;207:386\u201396. https:\/\/doi.org\/10.1016\/j.jlumin.2018.11.035.","journal-title":"J Lumin"},{"key":"5661_CR25","doi-asserted-by":"publisher","first-page":"29","DOI":"10.1016\/j.aca.2020.04.007","volume":"1114","author":"RC Castro","year":"2020","unstructured":"Castro RC, Ribeiro DSM, P\u00e1scoa RNMJ, Soares JX, Mazivila SJ, Santos JLM. Dual-emission CdTe\/AgInS2 photoluminescence probe coupled to neural network data processing for the simultaneous determination of folic acid and iron (II). Anal Chim Acta. 2020;1114:29\u201341. https:\/\/doi.org\/10.1016\/j.aca.2020.04.007.","journal-title":"Anal Chim Acta"},{"issue":"2","key":"5661_CR26","doi-asserted-by":"publisher","first-page":"111953","DOI":"10.1016\/j.jece.2024.111953","volume":"12","author":"S Karami","year":"2024","unstructured":"Karami S, Shamsipur M, Barati A. Pattern-based discrimination and visualization of metal ions through RGB coding of multicolor-emitting carbon dots. J Environ Chem Eng. 2024;12(2):111953. https:\/\/doi.org\/10.1016\/j.jece.2024.111953.","journal-title":"J Environ Chem Eng"},{"issue":"23","key":"5661_CR27","doi-asserted-by":"publisher","first-page":"5769","DOI":"10.1007\/s00216-023-04858-6","volume":"415","author":"M He","year":"2023","unstructured":"He M, Zheng B, Wei Y, Xiao Y, Kou L, Shang N. Portable smartphone-assisted ratiometric fluorescent test paper based on one-pot synthesized dual emissive carbon dots for visualization and quantification of mercury ions. Anal Bioanal Chem. 2023;415(23):5769\u201379. https:\/\/doi.org\/10.1007\/s00216-023-04858-6.","journal-title":"Anal Bioanal Chem"},{"key":"5661_CR28","doi-asserted-by":"publisher","unstructured":"Oliveri P, Forina M. Chapter 2-Data analysis and chemometrics. In: Pic\u00f3 Y (ed) Chemical analysis of food: techniques and applications. Academic Press, Boston, pp 25\u201357. https:\/\/doi.org\/10.1016\/B978-0-12-384862-8.00002-9","DOI":"10.1016\/B978-0-12-384862-8.00002-9"},{"issue":"15","key":"5661_CR29","doi-asserted-by":"publisher","first-page":"782A","DOI":"10.1021\/ac00087a001","volume":"66","author":"KS Booksh","year":"1994","unstructured":"Booksh KS, Kowalski BR. Theory of analytical chemistry. Anal Chem. 1994;66(15):782A-791A. https:\/\/doi.org\/10.1021\/ac00087a001.","journal-title":"Anal Chem"},{"issue":"4","key":"5661_CR30","doi-asserted-by":"publisher","first-page":"607","DOI":"10.1016\/j.trac.2010.11.018","volume":"30","author":"AC Olivieri","year":"2011","unstructured":"Olivieri AC, Escandar GM, Mu\u00f1oz de la Pe\u00f1a A. Second-order and higher-order multivariate calibration methods applied to non-multilinear data using different algorithms. Trac-Trends Anal Chem. 2011;30(4):607\u201317. https:\/\/doi.org\/10.1016\/j.trac.2010.11.018.","journal-title":"Trac-Trends Anal Chem"},{"issue":"3","key":"5661_CR31","doi-asserted-by":"publisher","first-page":"1052","DOI":"10.1016\/j.talanta.2009.09.044","volume":"80","author":"S Mas","year":"2010","unstructured":"Mas S, de Juan A, Tauler R, Olivieri AC, Escandar GM. Application of chemometric methods to environmental analysis of organic pollutants: a review. Talanta. 2010;80(3):1052\u201367. https:\/\/doi.org\/10.1016\/j.talanta.2009.09.044.","journal-title":"Talanta"},{"key":"5661_CR32","doi-asserted-by":"publisher","first-page":"111207","DOI":"10.1016\/j.microc.2024.111207","volume":"205","author":"RC Castro","year":"2024","unstructured":"Castro RC, P\u00e1scoa RN, Saraiva ML, Santos JL, Ribeiro DS. Selective determination of Fe (III) with carbon dots as photoluminescence probes: chemometric analysis using excitation-emission matrices. Microchem J. 2024;205:111207. https:\/\/doi.org\/10.1016\/j.microc.2024.111207.","journal-title":"Microchem J"},{"issue":"24","key":"5661_CR33","doi-asserted-by":"publisher","first-page":"2807","DOI":"10.1039\/B801418C","volume":"18","author":"L Zou","year":"2008","unstructured":"Zou L, Gu Z, Zhang N, Zhang Y, Fang Z, Zhu W, Zhong X. Ultrafast synthesis of highly luminescent green- to near infrared-emitting CdTe nanocrystals in aqueous phase. J Mater Chem. 2008;18(24):2807\u201315. https:\/\/doi.org\/10.1039\/B801418C.","journal-title":"J Mater Chem"},{"issue":"19","key":"5661_CR34","doi-asserted-by":"publisher","first-page":"7956","DOI":"10.1039\/C4AY01823K","volume":"6","author":"SSM Rodrigues","year":"2014","unstructured":"Rodrigues SSM, Oleksiak Z, Ribeiro DSM, Pobo\u017cy E, Trojanowicz M, Prior JAV, Santos JLM. Selective determination of sulphide based on photoluminescence quenching of MPA-capped CdTe nanocrystals by exploiting a gas-diffusion multi-pumping flow method. Anal Methods. 2014;6(19):7956\u201366. https:\/\/doi.org\/10.1039\/C4AY01823K.","journal-title":"Anal Methods"},{"key":"5661_CR35","doi-asserted-by":"publisher","first-page":"173","DOI":"10.1016\/j.talanta.2014.11.008","volume":"134","author":"SSM Rodrigues","year":"2015","unstructured":"Rodrigues SSM, Prieto DR, Ribeiro DSM, Barrado E, Prior JAV, Santos JLM. Competitive metal\u2013ligand binding between CdTe quantum dots and EDTA for free Ca2+ determination. Talanta. 2015;134:173\u201382. https:\/\/doi.org\/10.1016\/j.talanta.2014.11.008.","journal-title":"Talanta"},{"key":"5661_CR36","doi-asserted-by":"publisher","first-page":"157","DOI":"10.1016\/j.talanta.2014.01.031","volume":"122","author":"SSM Rodrigues","year":"2014","unstructured":"Rodrigues SSM, Ribeiro DSM, Molina-Garcia L, Ruiz Medina A, Prior JAV, Santos JLM. Fluorescence enhancement of CdTe MPA-capped quantum dots by glutathione for hydrogen peroxide determination. Talanta. 2014;122:157\u201365. https:\/\/doi.org\/10.1016\/j.talanta.2014.01.031.","journal-title":"Talanta"},{"issue":"6","key":"5661_CR37","doi-asserted-by":"publisher","first-page":"747","DOI":"10.1002\/smll.200500530","volume":"2","author":"H Qian","year":"2006","unstructured":"Qian H, Dong C, Weng J, Ren J. Facile one-pot synthesis of luminescent, water-soluble, and biocompatible glutathione-coated CdTe nanocrystals. Small. 2006;2(6):747\u201351. https:\/\/doi.org\/10.1002\/smll.200500530.","journal-title":"Small"},{"key":"5661_CR38","doi-asserted-by":"publisher","first-page":"220","DOI":"10.1016\/j.talanta.2015.04.013","volume":"141","author":"DMC Rodrigues","year":"2015","unstructured":"Rodrigues DMC, Ribeiro DSM, Frigerio C, Rodrigues SSM, Santos JLM, Prior JAV. Antioxidant capacity automatic assay based on inline photogenerated radical species from l-glutathione-capped CdTe quantum dots. Talanta. 2015;141:220\u20139. https:\/\/doi.org\/10.1016\/j.talanta.2015.04.013.","journal-title":"Talanta"},{"issue":"7","key":"5661_CR39","doi-asserted-by":"publisher","first-page":"901","DOI":"10.1002\/bio.2639","volume":"29","author":"MK Sasaki","year":"2014","unstructured":"Sasaki MK, Ribeiro DSM, Frigerio C, Prior JAV, Santos JLM, Zagatto EAG. Chemiluminometric determination of ascorbic acid in pharmaceutical formulations exploiting photo-activation of GSH-capped CdTe quantum dots. Luminescence. 2014;29(7):901\u20137. https:\/\/doi.org\/10.1002\/bio.2639.","journal-title":"Luminescence"},{"key":"5661_CR40","doi-asserted-by":"publisher","first-page":"126665","DOI":"10.1016\/j.snb.2019.126665","volume":"296","author":"RC Castro","year":"2019","unstructured":"Castro RC, Soares JX, Ribeiro DSM, Santos JLM. Dual-emission ratiometric probe combining carbon dots and CdTe quantum dots for fluorometric and visual determination of H2O2. Sens Actuator B-Chem. 2019;296:126665. https:\/\/doi.org\/10.1016\/j.snb.2019.126665.","journal-title":"Sens Actuator B-Chem"},{"key":"5661_CR41","doi-asserted-by":"publisher","first-page":"109934","DOI":"10.1016\/j.foodcont.2023.109934","volume":"153","author":"RC Castro","year":"2023","unstructured":"Castro RC, P\u00e1scoa RNMJ, Saraiva MLMFS, Cunha SC, Santos JLM, Ribeiro DSM. A ratiometric carbon dots\/AgInS2 quantum dots sensing probe for the kinetic determination of histamine resorting to N-PLS chemometric model. Food Control. 2023;153:109934. https:\/\/doi.org\/10.1016\/j.foodcont.2023.109934.","journal-title":"Food Control"},{"key":"5661_CR42","volume-title":"A user-friendly guide to multivariate calibration and classification","author":"T N\u00e6s","year":"2002","unstructured":"N\u00e6s T, Isaksson T, Fearn T, Davies T. A user-friendly guide to multivariate calibration and classification. 1st ed. UK Chichester: NIR Publications; 2002.","edition":"1"},{"key":"5661_CR43","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1016\/0003-2670(86)80028-9","volume":"185","author":"P Geladi","year":"1986","unstructured":"Geladi P, Kowalski BR. Partial least-squares regression: a tutorial. Anal Chim Acta. 1986;185:1\u201317. https:\/\/doi.org\/10.1016\/0003-2670(86)80028-9.","journal-title":"Anal Chim Acta"},{"issue":"3","key":"5661_CR44","doi-asserted-by":"publisher","first-page":"166","DOI":"10.1002\/cem.785","volume":"17","author":"M Barker","year":"2003","unstructured":"Barker M, Rayens W. Partial least squares for discrimination. J Chemom. 2003;17(3):166\u201373. https:\/\/doi.org\/10.1002\/cem.785.","journal-title":"J Chemom"},{"issue":"1","key":"5661_CR45","doi-asserted-by":"publisher","first-page":"41","DOI":"10.1002\/cem.1180010107","volume":"1","author":"S Wold","year":"1987","unstructured":"Wold S, Geladi P, Esbensen K, \u00d6hman J. Multi-way principal components-and PLS-analysis. J Chemom. 1987;1(1):41\u201356. https:\/\/doi.org\/10.1002\/cem.1180010107.","journal-title":"J Chemom"},{"issue":"9","key":"5661_CR46","doi-asserted-by":"publisher","first-page":"4901","DOI":"10.1007\/s12649-021-01386-1","volume":"12","author":"RNMJ P\u00e1scoa","year":"2021","unstructured":"P\u00e1scoa RNMJ, Nunes MA, Reszczy\u0144ski F, Costa ASG, Oliveira MBPP, Alves RC. Near infrared (NIR) spectroscopy as a tool to assess blends composition and discriminate antioxidant activity of olive pomace cultivars. Waste and Biomass Valorization. 2021;12(9):4901\u201313. https:\/\/doi.org\/10.1007\/s12649-021-01386-1.","journal-title":"Waste and Biomass Valorization"},{"issue":"11","key":"5661_CR47","doi-asserted-by":"publisher","first-page":"1193","DOI":"10.1021\/ac00162a020","volume":"60","author":"DM Haaland","year":"1988","unstructured":"Haaland DM, Thomas EV. Partial least-squares methods for spectral analyses. 1. Relation to other quantitative calibration methods and the extraction of qualitative information. Anal Chem. 1988;60(11):1193\u2013202. https:\/\/doi.org\/10.1021\/ac00162a020.","journal-title":"Anal Chem"},{"issue":"2","key":"5661_CR48","doi-asserted-by":"publisher","first-page":"246","DOI":"10.1016\/j.chemolab.2009.02.005","volume":"96","author":"AC Olivieri","year":"2009","unstructured":"Olivieri AC, Wu H-L, Yu R-Q. MVC2: a MATLAB graphical interface toolbox for second-order multivariate calibration. Chemom Intell Lab Syst. 2009;96(2):246\u201351. https:\/\/doi.org\/10.1016\/j.chemolab.2009.02.005.","journal-title":"Chemom Intell Lab Syst"},{"issue":"1","key":"5661_CR49","doi-asserted-by":"publisher","first-page":"43","DOI":"10.1039\/C3NR04628A","volume":"6","author":"P Wu","year":"2014","unstructured":"Wu P, Zhao T, Wang S, Hou X. Semicondutor quantum dots-based metal ion probes. Nanoscale. 2014;6(1):43\u201364. https:\/\/doi.org\/10.1039\/C3NR04628A.","journal-title":"Nanoscale"},{"issue":"2","key":"5661_CR50","doi-asserted-by":"publisher","first-page":"504","DOI":"10.1021\/jf1036678","volume":"59","author":"Y Tamaki","year":"2011","unstructured":"Tamaki Y, Mazza G. Rapid determination of lignin content of straw using Fourier transform mid-infrared spectroscopy. J Agric Food Chem. 2011;59(2):504\u201312. https:\/\/doi.org\/10.1021\/jf1036678.","journal-title":"J Agric Food Chem"},{"issue":"7","key":"5661_CR51","doi-asserted-by":"publisher","first-page":"1086","DOI":"10.1002\/ejic.201200997","volume":"2013","author":"K Deibler","year":"2013","unstructured":"Deibler K, Basu P. Continuing issues with lead: recent advances in detection. Eur J Inorg Chem. 2013;2013(7):1086\u201396. https:\/\/doi.org\/10.1002\/ejic.201200997.","journal-title":"Eur J Inorg Chem"},{"key":"5661_CR52","doi-asserted-by":"publisher","first-page":"106412","DOI":"10.1016\/j.sab.2022.106412","volume":"192","author":"FA da Silva Cunha","year":"2022","unstructured":"da Silva Cunha FA, de Oliveira MJ, Florez-Rodriguez PP, Santos JCC. Mercury speciation in estuarine water using dithiol-based magnetic solid-phase extraction and cold vapor atomic fluorescence spectrometry. Spectrochim Acta, Part B. 2022;192:106412. https:\/\/doi.org\/10.1016\/j.sab.2022.106412.","journal-title":"Spectrochim Acta, Part B"},{"issue":"4","key":"5661_CR53","doi-asserted-by":"publisher","first-page":"1004","DOI":"10.1093\/jaoac\/77.4.1004","volume":"77","author":"JE Longbottom","year":"1994","unstructured":"Longbottom JE, Martin TD, Edgell KW, Long SE, Plantz MR, Warden BE. Determination of trace elements in water by inductively coupled plasma\u2013mass spectrometry: collaborative study. J AOAC Int. 1994;77(4):1004\u201323. https:\/\/doi.org\/10.1093\/jaoac\/77.4.1004.","journal-title":"J AOAC Int"}],"container-title":["Analytical and Bioanalytical Chemistry"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00216-024-05661-7.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00216-024-05661-7\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00216-024-05661-7.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,1,3]],"date-time":"2025-01-03T07:11:43Z","timestamp":1735888303000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00216-024-05661-7"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,11,26]]},"references-count":53,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2025,1]]}},"alternative-id":["5661"],"URL":"https:\/\/doi.org\/10.1007\/s00216-024-05661-7","relation":{},"ISSN":["1618-2642","1618-2650"],"issn-type":[{"value":"1618-2642","type":"print"},{"value":"1618-2650","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,11,26]]},"assertion":[{"value":"7 October 2024","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"12 November 2024","order":2,"name":"revised","label":"Revised","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"14 November 2024","order":3,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"26 November 2024","order":4,"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":"Conflict of interest"}}]}}