{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,1]],"date-time":"2026-10-01T17:31:06Z","timestamp":1790875866691,"version":"4.1.0"},"reference-count":79,"publisher":"American Chemical Society (ACS)","issue":"30","license":[{"start":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T00:00:00Z","timestamp":1784073600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T00:00:00Z","timestamp":1784073600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T00:00:00Z","timestamp":1784073600000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-045"}],"funder":[{"name":"Program for Kaifeng Innovation Teams of Science and Technology"},{"name":"Zhongyuan Talent Program\u2013Zhongyuan Leading Talents in Fundamental Research"},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China (NSFC)","doi-asserted-by":"crossref","award":["22071042"],"award-info":[{"award-number":["22071042"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China (NSFC)","doi-asserted-by":"crossref","award":["22171070"],"award-info":[{"award-number":["22171070"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China (NSFC)","doi-asserted-by":"crossref","award":["22371066"],"award-info":[{"award-number":["22371066"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Key Project of the Youth Interdisciplinary Foundation of Henan University"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,8,5]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Accurate and reliable detection of ascorbic acid (AA) is of paramount significance for clinical diagnosis and health surveillance. Consequently, the rational design of advanced functional materials and the exploration of their potential in AA sensing have emerged as a pivotal research frontier. Herein, a heterometallic EuIII\u2212BiIII cluster-encapsulated antimonotungstate (HDMEA)9 Na18H3{[Bi10Eu2(H2O)4(DMEA)2(H2OA)4W10O36][B-\u03b1-SbW9O33]6}\u00b7124H2O (1, DMEA = N,N-dimethylethanolamine, H2OA = oxalic acid) was successfully synthesized via a multicomponent co-assembly strategy. Notably, 1 exhibits intense fluorescence emission in aqueous media and functions as a highly sensitive fluorescent sensor for AA, achieving a low detection limit of 0.038 \u03bcM in a linear range of 40\u2013200 \u03bcM. Intriguingly, the aqueous solution of 1 undergoes a distinct color transition from colorless to orange upon the addition of AA. Capitalizing on this chromogenic response, a portable sensing platform was further constructed, which transduces visual color signals into digital readouts through a smartphone-based colorimetric application, realizing quantitative detection of AA with an LOD of 0.45 \u03bcM in the linear range of 0\u2013400 \u03bcM. Both the 1-based fluorescent sensor and the smartphone-assisted colorimetric assay were successfully validated for the detection of AA in real samples. This work elucidates the unique synergistic interactions between Eu3+ and Bi3+ ions in the fabrication of multicomponent polyoxometalates and highlights the immense potential of polyoxometalate-based materials for applications in environmental monitoring and biomedical sensing.<\/jats:p>","DOI":"10.1021\/acsami.6c06847","type":"journal-article","created":{"date-parts":[[2026,7,15]],"date-time":"2026-07-15T14:57:13Z","timestamp":1784127433000},"page":"41196-41208","source":"Crossref","is-referenced-by-count":2,"title":["Heterometallic BiIII\u2212EuIII Cluster-embedded Antimonotungstate: Rational Design and Dual-Mode Ascorbic Acid Detection Integrating Fluorescent Sensing and Smartphone-Assisted Onsite Assay"],"prefix":"10.1021","volume":"18","author":[{"given":"Yang","family":"Zhang","sequence":"first","affiliation":[{"name":"Henan University , , , ,","place":["Kaifeng, Henan, China, 475004"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sen","family":"Yang","sequence":"additional","affiliation":[{"name":"Henan University , , , ,","place":["Kaifeng, Henan, China, 475004"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0857-9048","authenticated-orcid":true,"given":"Yanfeng","family":"Pu","sequence":"additional","affiliation":[{"name":"Henan University , , , ,","place":["Kaifeng, Henan, China, 475004"]},{"name":"Henan University , , , ,","place":["Zhengzhou, Henan, China, 450046"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lijuan","family":"Chen","sequence":"additional","affiliation":[{"name":"Henan University , , , ,","place":["Kaifeng, Henan, China, 475004"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7685-1309","authenticated-orcid":true,"given":"Junwei","family":"Zhao","sequence":"additional","affiliation":[{"name":"Henan University , , , ,","place":["Kaifeng, Henan, China, 475004"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2026,7,15]]},"reference":[{"key":"2026080518103379900_cit1","doi-asserted-by":"publisher","DOI":"10.1016\/j.snb.2022.132128","article-title":"Selective visual detection of histamine and ascorbic acid through the rapid gel-sol transition of luminescent alginate hydrogel","volume":"367","author":"Barik","year":"2022","journal-title":"Sens. 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