{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T05:00:27Z","timestamp":1785128427312,"version":"3.55.0"},"reference-count":75,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T00:00:00Z","timestamp":1785110400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Chem."],"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Dye wastewater poses serious threats to human health and ecosystem stability worldwide. Therefore, developing effective treatment strategies has become increasingly important.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      In this work, a rapid combustion approach was employed to fabricate Ni\n                      <jats:sub>x<\/jats:sub>\n                      Mg\n                      <jats:sub>y<\/jats:sub>\n                      Cu\n                      <jats:sub>(1-x-y)<\/jats:sub>\n                      Fe\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>4<\/jats:sub>\n                      magnetic nanoparticles (MNPs) with high structural homogeneity, and characterized by several methods such as XRD, TEM, VSM, XPS, BET, and FTIR to identify for attaining a reduced particle size, and Ni\n                      <jats:sub>0.1<\/jats:sub>\n                      Mg\n                      <jats:sub>0.8<\/jats:sub>\n                      Cu\n                      <jats:sub>0.1<\/jats:sub>\n                      Fe\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>4<\/jats:sub>\n                      MNPs with the average particle size of 17.4\u00a0nm and the saturation magnetization of 4.73\u00a0emu\/g were employed due to their enhanced magnetic properties calcined at 400\u00a0\u00b0C for 2\u00a0h with ethanol of 25\u00a0mL.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Under initial methyl blue (MB) concentrations ranging from 800 to 1,100\u00a0mg\/L, the adsorption kinetics were well described by the pseudo-second-order model, indicating that chemisorption was the dominant rate-limiting mechanism. Among the evaluated isotherm models, the Freundlich equation exhibited the best correlation with experimental data (R\n                      <jats:sup>2<\/jats:sup>\n                      = 0.9893), implying a heterogeneous surface adsorption mechanism involving multiple molecular layers. Furthermore, after five consecutive adsorption\u2013desorption cycles, the nanoparticles retained approximately 90.7% of their initial adsorption capacity, demonstrating the robust reusability and structural stability.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion<\/jats:title>\n                    <jats:p>\n                      Ni\n                      <jats:sub>0.1<\/jats:sub>\n                      Mg\n                      <jats:sub>0.8<\/jats:sub>\n                      Cu\n                      <jats:sub>0.1<\/jats:sub>\n                      Fe\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>4<\/jats:sub>\n                      MNPs revealed excellent stability, enormous adsorption capacity and rate of MB, and commendable recycle, which highlighted the potential of Ni\n                      <jats:sub>0.1<\/jats:sub>\n                      Mg\n                      <jats:sub>0.8<\/jats:sub>\n                      Cu\n                      <jats:sub>0.1<\/jats:sub>\n                      Fe\n                      <jats:sub>2<\/jats:sub>\n                      O\n                      <jats:sub>4<\/jats:sub>\n                      MNPs as a candidate for wastewater treatment.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fchem.2026.1912403","type":"journal-article","created":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T04:24:45Z","timestamp":1785126285000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Enormous adsorption of methyl blue onto NixMgyCu(1-x-y)Fe2O4 magnetic nanoparticles synthesized by a rapid combustion method"],"prefix":"10.3389","volume":"14","author":[{"given":"Xiaofang","family":"Zhu","sequence":"first","affiliation":[{"name":"Danyang Maternal and Child Health Hospital","place":["Zhenjiang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhenghui","family":"Ge","sequence":"additional","affiliation":[{"name":"The People\u2019s Hospital of Danyang, Affiliated Danyang Hospital of Nantong University","place":["Zhenjiang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhou","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Vanadium and Titanium, Panzhihua University","place":["Panzhihua, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xuejie","family":"Fu","sequence":"additional","affiliation":[{"name":"Suzhou Research Center of Medical School, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University","place":["Suzhou, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhan-ao","family":"Wu","sequence":"additional","affiliation":[{"name":"Zhenjiang 359 Hospital","place":["Zhenjiang, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1965","published-online":{"date-parts":[[2026,7,27]]},"reference":[{"key":"B1","doi-asserted-by":"publisher","first-page":"156354","DOI":"10.1016\/j.cej.2024.156354","article-title":"High performing composite beads for effective immobilisation of the fission nuclides strontium and caesium","volume":"499","author":"Abdul Nishad","year":"2024","journal-title":"Chem. 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