Multi-responsive paper chemosensors based on mesoporous silica nanospheres for quantitative sensing of heavy metals in water
Exposure to low concentrations of heavy metal cations seriously harms living organisms, hence they are considered environmental toxins. Portable simple detection systems are required for field monitoring of multiple metal ions. In this report, paper-based chemosensors (PBCs) were prepared by adsorbi...
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creator | El-Sewify, Islam M Radwan, Ahmed Azzazy, Hassan Mohamed El-Said |
description | Exposure to low concentrations of heavy metal cations seriously harms living organisms, hence they are considered environmental toxins. Portable simple detection systems are required for field monitoring of multiple metal ions. In this report, paper-based chemosensors (PBCs) were prepared by adsorbing 1-(pyridin-2-yl diazenyl) naphthalen-2-ol (chromophore), which recognizes heavy metals, onto filter papers coated with mesoporous silica nano spheres (MSNs). The high density of the chromophore probe on the surface of PBCs resulted in ultra-sensitive optical detection of heavy metal ions and short response time. The concentration of metal ions was determined using digital image-based colorimetric analysis (DICA) and compared to spectrophotometry under optimal sensing conditions. The PBCs exhibited stability and short recovery times. The detection limits determined using DICA of Cd
2+
, Co
2+
, Ni
2+
and Fe
3+
were 0.22, 0.28, 0.44, and 0.54 μM; respectively. Additionally, the linear ranges for monitoring Cd
2+
, Co
2+
, Ni
2+
and Fe
3+
were 0.44-4.4, 0.16-4.2, 0.8-8.5, and 0.002-5.2 μM; respectively. The developed chemosensors showed high stability, selectivity, and sensitivity for sensing of Cd
2+
, Co
2+
, Ni
2+
and Fe
3+
in water under optimum conditions and hold potential for low cost, onsite sensing of toxic metals in water.
Paper based chemosensors (PBCs) are prepared by coating mesoporous silica nanospheres on filter papers then immobilizing the probe. PBCs generate different colors in the presence of Co
2+
, Cd
2+
, Ni
2+
, or Fe
3+
and results are quantified by DICA. |
doi_str_mv | 10.1039/d3ra00369h |
format | Article |
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2+
, Co
2+
, Ni
2+
and Fe
3+
were 0.22, 0.28, 0.44, and 0.54 μM; respectively. Additionally, the linear ranges for monitoring Cd
2+
, Co
2+
, Ni
2+
and Fe
3+
were 0.44-4.4, 0.16-4.2, 0.8-8.5, and 0.002-5.2 μM; respectively. The developed chemosensors showed high stability, selectivity, and sensitivity for sensing of Cd
2+
, Co
2+
, Ni
2+
and Fe
3+
in water under optimum conditions and hold potential for low cost, onsite sensing of toxic metals in water.
Paper based chemosensors (PBCs) are prepared by coating mesoporous silica nanospheres on filter papers then immobilizing the probe. PBCs generate different colors in the presence of Co
2+
, Cd
2+
, Ni
2+
, or Fe
3+
and results are quantified by DICA.</description><identifier>ISSN: 2046-2069</identifier><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/d3ra00369h</identifier><identifier>PMID: 36845591</identifier><language>eng</language><publisher>England: Royal Society of Chemistry</publisher><subject>Cadmium ; Chemical sensors ; Chemistry ; Chemoreceptors ; Chromophores ; Cobalt ; Colorimetry ; Digital imaging ; Ferric ions ; Heavy metals ; Ions ; Low concentrations ; Metals ; Monitoring ; Nanospheres ; Optimization ; Selectivity ; Silicon dioxide ; Spectrophotometry ; Stability ; Toxins</subject><ispartof>RSC advances, 2023-02, Vol.13 (1), p.6433-6441</ispartof><rights>This journal is © The Royal Society of Chemistry.</rights><rights>Copyright Royal Society of Chemistry 2023</rights><rights>This journal is © The Royal Society of Chemistry 2023 The Royal Society of Chemistry</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c428t-f97e630387ad8194a1e5f821fcb7b5ea35ee54cf8ccbb13c9a1587926606cd953</citedby><cites>FETCH-LOGICAL-c428t-f97e630387ad8194a1e5f821fcb7b5ea35ee54cf8ccbb13c9a1587926606cd953</cites><orcidid>0000-0003-2047-4222 ; 0000-0003-1934-4260 ; 0000-0002-5543-9550</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9947744/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC9947744/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27924,27925,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36845591$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>El-Sewify, Islam M</creatorcontrib><creatorcontrib>Radwan, Ahmed</creatorcontrib><creatorcontrib>Azzazy, Hassan Mohamed El-Said</creatorcontrib><title>Multi-responsive paper chemosensors based on mesoporous silica nanospheres for quantitative sensing of heavy metals in water</title><title>RSC advances</title><addtitle>RSC Adv</addtitle><description>Exposure to low concentrations of heavy metal cations seriously harms living organisms, hence they are considered environmental toxins. Portable simple detection systems are required for field monitoring of multiple metal ions. In this report, paper-based chemosensors (PBCs) were prepared by adsorbing 1-(pyridin-2-yl diazenyl) naphthalen-2-ol (chromophore), which recognizes heavy metals, onto filter papers coated with mesoporous silica nano spheres (MSNs). The high density of the chromophore probe on the surface of PBCs resulted in ultra-sensitive optical detection of heavy metal ions and short response time. The concentration of metal ions was determined using digital image-based colorimetric analysis (DICA) and compared to spectrophotometry under optimal sensing conditions. The PBCs exhibited stability and short recovery times. The detection limits determined using DICA of Cd
2+
, Co
2+
, Ni
2+
and Fe
3+
were 0.22, 0.28, 0.44, and 0.54 μM; respectively. Additionally, the linear ranges for monitoring Cd
2+
, Co
2+
, Ni
2+
and Fe
3+
were 0.44-4.4, 0.16-4.2, 0.8-8.5, and 0.002-5.2 μM; respectively. The developed chemosensors showed high stability, selectivity, and sensitivity for sensing of Cd
2+
, Co
2+
, Ni
2+
and Fe
3+
in water under optimum conditions and hold potential for low cost, onsite sensing of toxic metals in water.
Paper based chemosensors (PBCs) are prepared by coating mesoporous silica nanospheres on filter papers then immobilizing the probe. PBCs generate different colors in the presence of Co
2+
, Cd
2+
, Ni
2+
, or Fe
3+
and results are quantified by DICA.</description><subject>Cadmium</subject><subject>Chemical sensors</subject><subject>Chemistry</subject><subject>Chemoreceptors</subject><subject>Chromophores</subject><subject>Cobalt</subject><subject>Colorimetry</subject><subject>Digital imaging</subject><subject>Ferric ions</subject><subject>Heavy metals</subject><subject>Ions</subject><subject>Low concentrations</subject><subject>Metals</subject><subject>Monitoring</subject><subject>Nanospheres</subject><subject>Optimization</subject><subject>Selectivity</subject><subject>Silicon dioxide</subject><subject>Spectrophotometry</subject><subject>Stability</subject><subject>Toxins</subject><issn>2046-2069</issn><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNpdkl1rFTEQhoMotrS98V4JeCPCtsnmY5MbodSPCi2C6HXIZme7KbvJNtk9UvDHm-Opx2oYSIZ55mWSNwi9oOSUEqbPOpYsIUzq4Qk6rAmXVU2kfvrofIBOcr4lZUlBa0mfowMmFRdC00P083odF18lyHMM2W8Az3aGhN0AU8wQckwZtzZDh2PAE-Q4xxTXjLMfvbM42BDzPEARwH1M-G61YfGLXbZS234fbnDs8QB2c1_6Fztm7AP-YRdIx-hZX3I4ediP0PePH75dXFZXXz59vji_qhyv1VL1ugHJCFON7RTV3FIQvapp79qmFWCZABDc9cq5tqXMaUuFanQtJZGu04IdoXc73XltJ-gchCXZ0czJTzbdm2i9-bcS_GBu4sZozZuG8yLw5kEgxbsV8mImnx2Mow1QHsPUjSJcCclUQV__h97GNYVyvS1FuS5RF-rtjnIp5pyg3w9Didn6at6zr-e_fb0s8KvH4-_RPy4W4OUOSNntq38_BvsFEKOrUQ</recordid><startdate>20230221</startdate><enddate>20230221</enddate><creator>El-Sewify, Islam M</creator><creator>Radwan, Ahmed</creator><creator>Azzazy, Hassan Mohamed El-Said</creator><general>Royal Society of Chemistry</general><general>The Royal Society of Chemistry</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0003-2047-4222</orcidid><orcidid>https://orcid.org/0000-0003-1934-4260</orcidid><orcidid>https://orcid.org/0000-0002-5543-9550</orcidid></search><sort><creationdate>20230221</creationdate><title>Multi-responsive paper chemosensors based on mesoporous silica nanospheres for quantitative sensing of heavy metals in water</title><author>El-Sewify, Islam M ; Radwan, Ahmed ; Azzazy, Hassan Mohamed El-Said</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c428t-f97e630387ad8194a1e5f821fcb7b5ea35ee54cf8ccbb13c9a1587926606cd953</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Cadmium</topic><topic>Chemical sensors</topic><topic>Chemistry</topic><topic>Chemoreceptors</topic><topic>Chromophores</topic><topic>Cobalt</topic><topic>Colorimetry</topic><topic>Digital imaging</topic><topic>Ferric ions</topic><topic>Heavy metals</topic><topic>Ions</topic><topic>Low concentrations</topic><topic>Metals</topic><topic>Monitoring</topic><topic>Nanospheres</topic><topic>Optimization</topic><topic>Selectivity</topic><topic>Silicon dioxide</topic><topic>Spectrophotometry</topic><topic>Stability</topic><topic>Toxins</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>El-Sewify, Islam M</creatorcontrib><creatorcontrib>Radwan, Ahmed</creatorcontrib><creatorcontrib>Azzazy, Hassan Mohamed El-Said</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>RSC advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>El-Sewify, Islam M</au><au>Radwan, Ahmed</au><au>Azzazy, Hassan Mohamed El-Said</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multi-responsive paper chemosensors based on mesoporous silica nanospheres for quantitative sensing of heavy metals in water</atitle><jtitle>RSC advances</jtitle><addtitle>RSC Adv</addtitle><date>2023-02-21</date><risdate>2023</risdate><volume>13</volume><issue>1</issue><spage>6433</spage><epage>6441</epage><pages>6433-6441</pages><issn>2046-2069</issn><eissn>2046-2069</eissn><abstract>Exposure to low concentrations of heavy metal cations seriously harms living organisms, hence they are considered environmental toxins. Portable simple detection systems are required for field monitoring of multiple metal ions. In this report, paper-based chemosensors (PBCs) were prepared by adsorbing 1-(pyridin-2-yl diazenyl) naphthalen-2-ol (chromophore), which recognizes heavy metals, onto filter papers coated with mesoporous silica nano spheres (MSNs). The high density of the chromophore probe on the surface of PBCs resulted in ultra-sensitive optical detection of heavy metal ions and short response time. The concentration of metal ions was determined using digital image-based colorimetric analysis (DICA) and compared to spectrophotometry under optimal sensing conditions. The PBCs exhibited stability and short recovery times. The detection limits determined using DICA of Cd
2+
, Co
2+
, Ni
2+
and Fe
3+
were 0.22, 0.28, 0.44, and 0.54 μM; respectively. Additionally, the linear ranges for monitoring Cd
2+
, Co
2+
, Ni
2+
and Fe
3+
were 0.44-4.4, 0.16-4.2, 0.8-8.5, and 0.002-5.2 μM; respectively. The developed chemosensors showed high stability, selectivity, and sensitivity for sensing of Cd
2+
, Co
2+
, Ni
2+
and Fe
3+
in water under optimum conditions and hold potential for low cost, onsite sensing of toxic metals in water.
Paper based chemosensors (PBCs) are prepared by coating mesoporous silica nanospheres on filter papers then immobilizing the probe. PBCs generate different colors in the presence of Co
2+
, Cd
2+
, Ni
2+
, or Fe
3+
and results are quantified by DICA.</abstract><cop>England</cop><pub>Royal Society of Chemistry</pub><pmid>36845591</pmid><doi>10.1039/d3ra00369h</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-2047-4222</orcidid><orcidid>https://orcid.org/0000-0003-1934-4260</orcidid><orcidid>https://orcid.org/0000-0002-5543-9550</orcidid><oa>free_for_read</oa></addata></record> |
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source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central Open Access; PubMed Central |
subjects | Cadmium Chemical sensors Chemistry Chemoreceptors Chromophores Cobalt Colorimetry Digital imaging Ferric ions Heavy metals Ions Low concentrations Metals Monitoring Nanospheres Optimization Selectivity Silicon dioxide Spectrophotometry Stability Toxins |
title | Multi-responsive paper chemosensors based on mesoporous silica nanospheres for quantitative sensing of heavy metals in water |
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