Core-shell molecularly imprinted polymers on magnetic yeast for the removal of sulfamethoxazole from water

Detalhes bibliográficos
Autor(a) principal: Liang Qiu
Data de Publicação: 2020
Outros Autores: Jaria, Guilaine, Gil, María Victoria, Jundong Feng, Yaodong Dai, Esteves, Valdemar I., Otero, Marta, Calisto, Vânia
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10773/29270
Resumo: In this work, magnetic yeast (MY) was produced through an in situ one-step method. Then, MY was used as the core and the antibiotic sulfamethoxazole (SMX) as the template to produce highly selective magnetic yeast-molecularly imprinted polymers (MY@MIPs). The physicochemical properties of MY@MIPs were assessed by Fourier-transform infrared spectroscopy (FT-IR), a vibrating sample magnetometer (VSM), X-ray diffraction (XRD), thermogravimetric analysis (TGA), specific surface area (SBET) determination, and scanning electron microscopy (SEM). Batch adsorption experiments were carried out to compare MY@MIPs with MY and MY@NIPs (magnetic yeast-molecularly imprinted polymers without template), with MY@MIPs showing a better performance in the removal of SMX from water. Adsorption of SMX onto MY@MIPs was described by the pseudo-second-order kinetic model and the Langmuir isotherm, with maximum adsorption capacities of 77 and 24 mg g-1 from ultrapure and wastewater, respectively. Furthermore, MY@MIPs displayed a highly selective adsorption toward SMX in the presence of other pharmaceuticals, namely diclofenac (DCF) and carbamazepine (CBZ). Finally, regeneration experiments showed that SMX adsorption decreased 21 and 34% after the first and second regeneration cycles, respectively. This work demonstrates that MY@MIPs are promising sorbent materials for the selective removal of SMX from wastewater.
id RCAP_309a319dd289e376f990b74a9692ff9b
oai_identifier_str oai:ria.ua.pt:10773/29270
network_acronym_str RCAP
network_name_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository_id_str 7160
spelling Core-shell molecularly imprinted polymers on magnetic yeast for the removal of sulfamethoxazole from waterAntibioticsEmerging contaminantsPharmaceuticalsWastewater treatmentPolymeric adsorbentsMagnetizationIn this work, magnetic yeast (MY) was produced through an in situ one-step method. Then, MY was used as the core and the antibiotic sulfamethoxazole (SMX) as the template to produce highly selective magnetic yeast-molecularly imprinted polymers (MY@MIPs). The physicochemical properties of MY@MIPs were assessed by Fourier-transform infrared spectroscopy (FT-IR), a vibrating sample magnetometer (VSM), X-ray diffraction (XRD), thermogravimetric analysis (TGA), specific surface area (SBET) determination, and scanning electron microscopy (SEM). Batch adsorption experiments were carried out to compare MY@MIPs with MY and MY@NIPs (magnetic yeast-molecularly imprinted polymers without template), with MY@MIPs showing a better performance in the removal of SMX from water. Adsorption of SMX onto MY@MIPs was described by the pseudo-second-order kinetic model and the Langmuir isotherm, with maximum adsorption capacities of 77 and 24 mg g-1 from ultrapure and wastewater, respectively. Furthermore, MY@MIPs displayed a highly selective adsorption toward SMX in the presence of other pharmaceuticals, namely diclofenac (DCF) and carbamazepine (CBZ). Finally, regeneration experiments showed that SMX adsorption decreased 21 and 34% after the first and second regeneration cycles, respectively. This work demonstrates that MY@MIPs are promising sorbent materials for the selective removal of SMX from wastewater.MDPI2020-09-18T17:06:13Z2020-06-01T00:00:00Z2020-06info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10773/29270eng2073-436010.3390/polym12061385Liang QiuJaria, GuilaineGil, María VictoriaJundong FengYaodong DaiEsteves, Valdemar I.Otero, MartaCalisto, Vâniainfo:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2024-02-22T11:56:37Zoai:ria.ua.pt:10773/29270Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-20T03:01:38.704756Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Core-shell molecularly imprinted polymers on magnetic yeast for the removal of sulfamethoxazole from water
title Core-shell molecularly imprinted polymers on magnetic yeast for the removal of sulfamethoxazole from water
spellingShingle Core-shell molecularly imprinted polymers on magnetic yeast for the removal of sulfamethoxazole from water
Liang Qiu
Antibiotics
Emerging contaminants
Pharmaceuticals
Wastewater treatment
Polymeric adsorbents
Magnetization
title_short Core-shell molecularly imprinted polymers on magnetic yeast for the removal of sulfamethoxazole from water
title_full Core-shell molecularly imprinted polymers on magnetic yeast for the removal of sulfamethoxazole from water
title_fullStr Core-shell molecularly imprinted polymers on magnetic yeast for the removal of sulfamethoxazole from water
title_full_unstemmed Core-shell molecularly imprinted polymers on magnetic yeast for the removal of sulfamethoxazole from water
title_sort Core-shell molecularly imprinted polymers on magnetic yeast for the removal of sulfamethoxazole from water
author Liang Qiu
author_facet Liang Qiu
Jaria, Guilaine
Gil, María Victoria
Jundong Feng
Yaodong Dai
Esteves, Valdemar I.
Otero, Marta
Calisto, Vânia
author_role author
author2 Jaria, Guilaine
Gil, María Victoria
Jundong Feng
Yaodong Dai
Esteves, Valdemar I.
Otero, Marta
Calisto, Vânia
author2_role author
author
author
author
author
author
author
dc.contributor.author.fl_str_mv Liang Qiu
Jaria, Guilaine
Gil, María Victoria
Jundong Feng
Yaodong Dai
Esteves, Valdemar I.
Otero, Marta
Calisto, Vânia
dc.subject.por.fl_str_mv Antibiotics
Emerging contaminants
Pharmaceuticals
Wastewater treatment
Polymeric adsorbents
Magnetization
topic Antibiotics
Emerging contaminants
Pharmaceuticals
Wastewater treatment
Polymeric adsorbents
Magnetization
description In this work, magnetic yeast (MY) was produced through an in situ one-step method. Then, MY was used as the core and the antibiotic sulfamethoxazole (SMX) as the template to produce highly selective magnetic yeast-molecularly imprinted polymers (MY@MIPs). The physicochemical properties of MY@MIPs were assessed by Fourier-transform infrared spectroscopy (FT-IR), a vibrating sample magnetometer (VSM), X-ray diffraction (XRD), thermogravimetric analysis (TGA), specific surface area (SBET) determination, and scanning electron microscopy (SEM). Batch adsorption experiments were carried out to compare MY@MIPs with MY and MY@NIPs (magnetic yeast-molecularly imprinted polymers without template), with MY@MIPs showing a better performance in the removal of SMX from water. Adsorption of SMX onto MY@MIPs was described by the pseudo-second-order kinetic model and the Langmuir isotherm, with maximum adsorption capacities of 77 and 24 mg g-1 from ultrapure and wastewater, respectively. Furthermore, MY@MIPs displayed a highly selective adsorption toward SMX in the presence of other pharmaceuticals, namely diclofenac (DCF) and carbamazepine (CBZ). Finally, regeneration experiments showed that SMX adsorption decreased 21 and 34% after the first and second regeneration cycles, respectively. This work demonstrates that MY@MIPs are promising sorbent materials for the selective removal of SMX from wastewater.
publishDate 2020
dc.date.none.fl_str_mv 2020-09-18T17:06:13Z
2020-06-01T00:00:00Z
2020-06
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10773/29270
url http://hdl.handle.net/10773/29270
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 2073-4360
10.3390/polym12061385
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv MDPI
publisher.none.fl_str_mv MDPI
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
_version_ 1799137671887454208