{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T11:19:26Z","timestamp":1788347966429,"version":"build-2803163510"},"reference-count":57,"publisher":"American Chemical Society (ACS)","issue":"1","license":[{"start":{"date-parts":[[2019,12,30]],"date-time":"2019-12-30T00:00:00Z","timestamp":1577664000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/pubs.acs.org\/page\/policy\/authorchoice_termsofuse.html"}],"funder":[{"DOI":"10.13039\/501100003141","name":"Consejo Nacional de Ciencia y Tecnolog\u00eda","doi-asserted-by":"publisher","award":["25401"],"award-info":[{"award-number":["25401"]}],"id":[{"id":"10.13039\/501100003141","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100003141","name":"Consejo Nacional de Ciencia y Tecnolog\u00eda","doi-asserted-by":"publisher","award":["CB-2015\/256359"],"award-info":[{"award-number":["CB-2015\/256359"]}],"id":[{"id":"10.13039\/501100003141","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,1,14]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>trans-Cinnamic acid was synthesized under microwave irradiation, and it was used for the removal of copper, a toxic metal found in industrial wastewater, from synthetic polluted aqueous solutions. Copper removal is more favorable at pH 5 and was enhanced by increasing the copper initial concentration, reaching a maximum uptake capacity of 389.5 mg\/g, which is higher than those reported in the literature. Temperature exhibited a negligible effect on the removal of copper by trans-cinnamic acid. The isotherm equilibrium uptake data were found to be described by the Langmuir model. In addition, the study of the removal kinetics shows that the uptake of copper by trans-cinnamic acid follows pseudo-first order kinetics, and equilibrium is attained at approximately 30 min. Based on the X-ray photoelectron spectroscopy, X-ray diffraction, scanning transmission electron microscopy, and Fourier-transform infrared spectroscopy studies, a copper\u2013cinnamic acid complex [Cu(CA)2] is formed during the removal process. The reusability of this coordination compound was investigated using HCl, HNO3, and NaOH 0.1 M as desorption eluents; HCl was capable of completely desorbing copper from [Cu(CA)2], and trans-cinnamic acid was recovered as the trans-isomer. Alternatively, the [Cu(CA)2] was used to remove octamethylcyclotetrasiloxane from gaseous streams for biogas purification, obtaining an adsorption capacity of 3.37 mg\/g. These promising results demonstrate the feasibility of copper removal by trans-cinnamic acid because of its high uptake capacity and potential reusability.<\/jats:p>","DOI":"10.1021\/acsomega.9b02720","type":"journal-article","created":{"date-parts":[[2019,12,30]],"date-time":"2019-12-30T10:50:17Z","timestamp":1577703017000},"page":"317-326","source":"Crossref","is-referenced-by-count":11,"title":["Microwave-Assisted Synthesis of\n                    <i>trans<\/i>\n                    -Cinnamic Acid for Highly Efficient Removal of Copper from Aqueous\nSolution"],"prefix":"10.1021","volume":"5","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9362-4458","authenticated-orcid":true,"given":"Nancy E.","family":"Da\u0301vila-Guzma\u0301n","sequence":"first","affiliation":[{"name":"Universidad Auto\u0301noma de Nuevo Leo\u0301n , , , ,","place":["San Nicola\u0301s de los Garza, Nuevo Leo\u0301n, Mexico, 66455"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yhoana B.","family":"Medina-Almaguer","sequence":"additional","affiliation":[{"name":"Universidad Auto\u0301noma de Nuevo Leo\u0301n , , , ,","place":["San Nicola\u0301s de los Garza, Nuevo Leo\u0301n, Mexico, 66455"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Miguel A.","family":"Reyes-Gonza\u0301lez","sequence":"additional","affiliation":[{"name":"Universidad Auto\u0301noma de Nuevo Leo\u0301n , , , ,","place":["San Nicola\u0301s de los Garza, Nuevo Leo\u0301n, Mexico, 66455"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Margarita","family":"Loredo-Cancino","sequence":"additional","affiliation":[{"name":"Universidad Auto\u0301noma de Nuevo Leo\u0301n , , , ,","place":["San Nicola\u0301s de los Garza, Nuevo Leo\u0301n, Mexico, 66455"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sandra","family":"Pioquinto-Garci\u0301a","sequence":"additional","affiliation":[{"name":"Universidad Auto\u0301noma de Nuevo Leo\u0301n , , , ,","place":["San Nicola\u0301s de los Garza, Nuevo Leo\u0301n, Mexico, 66455"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David A.","family":"De Haro-Del Rio","sequence":"additional","affiliation":[{"name":"Universidad Auto\u0301noma de Nuevo Leo\u0301n , , , ,","place":["San Nicola\u0301s de los Garza, Nuevo Leo\u0301n, Mexico, 66455"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marco A.","family":"Garza-Navarro","sequence":"additional","affiliation":[{"name":"Universidad Auto\u0301noma de Nuevo Leo\u0301n , , , ,","place":["San Nicola\u0301s de los Garza, Nuevo Leo\u0301n, Mexico, 66455"]},{"name":"Universidad Auto\u0301noma de Nuevo Leo\u0301n , , , ,","place":["Apodaca, Nuevo Leo\u0301n, Mexico, 66600"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6769-9125","authenticated-orcid":true,"given":"Eugenio","family":"Herna\u0301ndez-Ferna\u0301ndez","sequence":"additional","affiliation":[{"name":"Universidad Auto\u0301noma de Nuevo Leo\u0301n , , , ,","place":["San Nicola\u0301s de los Garza, Nuevo Leo\u0301n, Mexico, 66455"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2019,12,30]]},"reference":[{"key":"2026090207091733900_cit1","doi-asserted-by":"publisher","first-page":"1","DOI":"10.1155\/2016\/9413879","article-title":"Studies of Adsorption of Heavy Metals onto Spent Coffee\nGround: Equilibrium, Regeneration, and Dynamic Performance in a Fixed-Bed\nColumn","volume":"2016","author":"Davila-Guzman","year":"2016","journal-title":"Int. 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