Iron oxide nanoparticles decorated oleic acid for high colloidal stability
In the present study, oleic acid (OA)‐decorated magnetite nanoparticles (MNPs) were synthesized via in situ co‐precipitation method using ammonium hydroxide as a precipitating agent. This study aims to determine the optimum loading amount of OA for improving the MNPs colloidal stability. Based on ou...
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| Veröffentlicht in: | Advances in polymer technology 2018-10, Vol.37 (6), p.1712-1721 |
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| container_title | Advances in polymer technology |
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| creator | Lai, Chin Wei Low, Foo Wah Tai, Mun Foong Abdul Hamid, Sharifah Bee |
| description | In the present study, oleic acid (OA)‐decorated magnetite nanoparticles (MNPs) were synthesized via in situ co‐precipitation method using ammonium hydroxide as a precipitating agent. This study aims to determine the optimum loading amount of OA for improving the MNPs colloidal stability. Based on our results obtained, it was found that the zeta potential values of MNPs increased from −29.8 to −58.1 mV after modification of MNPs with 1.2 wt.% of OA. Indeed, results obtained clearly to show that a maximum colloidal stability of MNPs in a basic medium could be significantly improved. As a result, this resultant colloidal suspension performance was approximately 7 times higher (21 days‐ high colloidal stability against precipitation and agglomeration) than that of the undecorated MNPs sample (3 days). Based on vibrating sample magnetometer (VSM) analysis, the resultant OA‐decorated MNPs exhibited superparamagnetic behavior with slightly lower saturation magnetization (51–69 emu/g) than that of undecorated MNPs sample (80 emu/g) at room temperature. This behavior was attributed to the sufficient carboxylate ions from the outer layer of the bilayer of OA‐decorated MNPs, which promoted the high colloidal stability performance. |
| doi_str_mv | 10.1002/adv.21829 |
| format | Article |
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This study aims to determine the optimum loading amount of OA for improving the MNPs colloidal stability. Based on our results obtained, it was found that the zeta potential values of MNPs increased from −29.8 to −58.1 mV after modification of MNPs with 1.2 wt.% of OA. Indeed, results obtained clearly to show that a maximum colloidal stability of MNPs in a basic medium could be significantly improved. As a result, this resultant colloidal suspension performance was approximately 7 times higher (21 days‐ high colloidal stability against precipitation and agglomeration) than that of the undecorated MNPs sample (3 days). Based on vibrating sample magnetometer (VSM) analysis, the resultant OA‐decorated MNPs exhibited superparamagnetic behavior with slightly lower saturation magnetization (51–69 emu/g) than that of undecorated MNPs sample (80 emu/g) at room temperature. This behavior was attributed to the sufficient carboxylate ions from the outer layer of the bilayer of OA‐decorated MNPs, which promoted the high colloidal stability performance.</description><identifier>ISSN: 0730-6679</identifier><identifier>EISSN: 1098-2329</identifier><identifier>DOI: 10.1002/adv.21829</identifier><language>eng</language><publisher>London: Hindawi Limited</publisher><subject>Ammonium hydroxide ; Bilayers ; colloidal stability ; Colloids ; Decoration ; Fish ; Iron oxides ; Magnetic saturation ; magnetite nanoparticles ; Nanoparticles ; Oleic acid ; Saline water ; Stability ; superparamagnetic ; Zeta potential</subject><ispartof>Advances in polymer technology, 2018-10, Vol.37 (6), p.1712-1721</ispartof><rights>2017 Wiley Periodicals, Inc.</rights><rights>Copyright © 2018 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3349-eff871ac1bdbe9e43428693725b4c65aad97d8e0a2cf74a59267368f8dc211623</citedby><cites>FETCH-LOGICAL-c3349-eff871ac1bdbe9e43428693725b4c65aad97d8e0a2cf74a59267368f8dc211623</cites><orcidid>0000-0003-2551-7623</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><creatorcontrib>Lai, Chin Wei</creatorcontrib><creatorcontrib>Low, Foo Wah</creatorcontrib><creatorcontrib>Tai, Mun Foong</creatorcontrib><creatorcontrib>Abdul Hamid, Sharifah Bee</creatorcontrib><title>Iron oxide nanoparticles decorated oleic acid for high colloidal stability</title><title>Advances in polymer technology</title><description>In the present study, oleic acid (OA)‐decorated magnetite nanoparticles (MNPs) were synthesized via in situ co‐precipitation method using ammonium hydroxide as a precipitating agent. This study aims to determine the optimum loading amount of OA for improving the MNPs colloidal stability. Based on our results obtained, it was found that the zeta potential values of MNPs increased from −29.8 to −58.1 mV after modification of MNPs with 1.2 wt.% of OA. Indeed, results obtained clearly to show that a maximum colloidal stability of MNPs in a basic medium could be significantly improved. As a result, this resultant colloidal suspension performance was approximately 7 times higher (21 days‐ high colloidal stability against precipitation and agglomeration) than that of the undecorated MNPs sample (3 days). Based on vibrating sample magnetometer (VSM) analysis, the resultant OA‐decorated MNPs exhibited superparamagnetic behavior with slightly lower saturation magnetization (51–69 emu/g) than that of undecorated MNPs sample (80 emu/g) at room temperature. This behavior was attributed to the sufficient carboxylate ions from the outer layer of the bilayer of OA‐decorated MNPs, which promoted the high colloidal stability performance.</description><subject>Ammonium hydroxide</subject><subject>Bilayers</subject><subject>colloidal stability</subject><subject>Colloids</subject><subject>Decoration</subject><subject>Fish</subject><subject>Iron oxides</subject><subject>Magnetic saturation</subject><subject>magnetite nanoparticles</subject><subject>Nanoparticles</subject><subject>Oleic acid</subject><subject>Saline water</subject><subject>Stability</subject><subject>superparamagnetic</subject><subject>Zeta potential</subject><issn>0730-6679</issn><issn>1098-2329</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp10MtOAjEUgOHGaCKiC9-giSsXA70MvSwJimJI3KjbptOLlNQptoPK2wuMW1dn851zkh-Aa4xGGCEy1vZrRLAg8gQMMJKiIpTIUzBAnKKKMS7PwUUpa4QwrhkdgKdFTi1MP8E62Oo2bXTugomuQOtMyrpzFqbogoHaBAt9ynAV3lfQpBhTsDrC0ukmxNDtLsGZ17G4q785BK_z-5fZY7V8fljMpsvKUFrLynkvONYGN7Zx0tW0JoJJysmkqQ2baG0lt8IhTYzntZ5IwjhlwgtrCMaM0CG46e9ucvrcutKpddrmdv9SHQFnQh7Uba9MTqVk59Umhw-ddwojdUil9qnUMdXejnv7HaLb_Q_V9O6t3_gFoQ1qXw</recordid><startdate>201810</startdate><enddate>201810</enddate><creator>Lai, Chin Wei</creator><creator>Low, Foo Wah</creator><creator>Tai, Mun Foong</creator><creator>Abdul Hamid, Sharifah Bee</creator><general>Hindawi Limited</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0003-2551-7623</orcidid></search><sort><creationdate>201810</creationdate><title>Iron oxide nanoparticles decorated oleic acid for high colloidal stability</title><author>Lai, Chin Wei ; Low, Foo Wah ; Tai, Mun Foong ; Abdul Hamid, Sharifah Bee</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3349-eff871ac1bdbe9e43428693725b4c65aad97d8e0a2cf74a59267368f8dc211623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Ammonium hydroxide</topic><topic>Bilayers</topic><topic>colloidal stability</topic><topic>Colloids</topic><topic>Decoration</topic><topic>Fish</topic><topic>Iron oxides</topic><topic>Magnetic saturation</topic><topic>magnetite nanoparticles</topic><topic>Nanoparticles</topic><topic>Oleic acid</topic><topic>Saline water</topic><topic>Stability</topic><topic>superparamagnetic</topic><topic>Zeta potential</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lai, Chin Wei</creatorcontrib><creatorcontrib>Low, Foo Wah</creatorcontrib><creatorcontrib>Tai, Mun Foong</creatorcontrib><creatorcontrib>Abdul Hamid, Sharifah Bee</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Advances in polymer technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lai, Chin Wei</au><au>Low, Foo Wah</au><au>Tai, Mun Foong</au><au>Abdul Hamid, Sharifah Bee</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Iron oxide nanoparticles decorated oleic acid for high colloidal stability</atitle><jtitle>Advances in polymer technology</jtitle><date>2018-10</date><risdate>2018</risdate><volume>37</volume><issue>6</issue><spage>1712</spage><epage>1721</epage><pages>1712-1721</pages><issn>0730-6679</issn><eissn>1098-2329</eissn><abstract>In the present study, oleic acid (OA)‐decorated magnetite nanoparticles (MNPs) were synthesized via in situ co‐precipitation method using ammonium hydroxide as a precipitating agent. This study aims to determine the optimum loading amount of OA for improving the MNPs colloidal stability. Based on our results obtained, it was found that the zeta potential values of MNPs increased from −29.8 to −58.1 mV after modification of MNPs with 1.2 wt.% of OA. Indeed, results obtained clearly to show that a maximum colloidal stability of MNPs in a basic medium could be significantly improved. As a result, this resultant colloidal suspension performance was approximately 7 times higher (21 days‐ high colloidal stability against precipitation and agglomeration) than that of the undecorated MNPs sample (3 days). Based on vibrating sample magnetometer (VSM) analysis, the resultant OA‐decorated MNPs exhibited superparamagnetic behavior with slightly lower saturation magnetization (51–69 emu/g) than that of undecorated MNPs sample (80 emu/g) at room temperature. This behavior was attributed to the sufficient carboxylate ions from the outer layer of the bilayer of OA‐decorated MNPs, which promoted the high colloidal stability performance.</abstract><cop>London</cop><pub>Hindawi Limited</pub><doi>10.1002/adv.21829</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0003-2551-7623</orcidid></addata></record> |
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| ispartof | Advances in polymer technology, 2018-10, Vol.37 (6), p.1712-1721 |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| subjects | Ammonium hydroxide Bilayers colloidal stability Colloids Decoration Fish Iron oxides Magnetic saturation magnetite nanoparticles Nanoparticles Oleic acid Saline water Stability superparamagnetic Zeta potential |
| title | Iron oxide nanoparticles decorated oleic acid for high colloidal stability |
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