An electrochemical sensor based on 2D Zn-MOFs and 2D C-Ti 3 C 2 T x composite materials for rapid and direct detection of various foodborne pathogens
Rapid screening for foodborne pathogens is crucial for food safety. A rapid and one-step electrochemical sensor has been developed for the detection of Escherichia coli (E. coli), Staphylococcus aureus (S. aureus) and Salmonella typhimurium (S. typhimurium). Through the construction of aptamer/two-d...
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| Veröffentlicht in: | Food chemistry 2025-01, Vol.462, p.140922 |
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| container_title | Food chemistry |
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| creator | Yang, Liuhong Ding, Yifeng Ma, Yuhang Wen, Jing Wang, Jiafeng Dai, Ge Mo, Fengfeng |
| description | Rapid screening for foodborne pathogens is crucial for food safety. A rapid and one-step electrochemical sensor has been developed for the detection of Escherichia coli (E. coli), Staphylococcus aureus (S. aureus) and Salmonella typhimurium (S. typhimurium). Through the construction of aptamer/two-dimensional carboxylated Ti
C
T
(2D C-Ti
C
T
)/two-dimensional Zn-MOF (2D Zn-MOF) composites, the recognition elements, signal tags, and signal amplifiers are integrated on the electrode surface. Pathogens are selectively captured using the aptamer, which increases the impedance of the electrode surface，leads to a decrease in the 2D Zn-MOF current. Bacteria can be rapidly quantified using a one-step detection method and the replacement of aptamers. The detection limits for E. coli, S. aureus, and S. typhimurium are 6, 5, and 5 CFU·mL
, respectively. The sensor demonstrated reliable detection capabilities in real-sample testing. Therefore, the one-step sensor based on the 2D Zn-MOF and 2D C-Ti
C
T
has significant application value in the detection of foodborne pathogens. |
| doi_str_mv | 10.1016/j.foodchem.2024.140922 |
| format | Article |
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C
T
(2D C-Ti
C
T
)/two-dimensional Zn-MOF (2D Zn-MOF) composites, the recognition elements, signal tags, and signal amplifiers are integrated on the electrode surface. Pathogens are selectively captured using the aptamer, which increases the impedance of the electrode surface，leads to a decrease in the 2D Zn-MOF current. Bacteria can be rapidly quantified using a one-step detection method and the replacement of aptamers. The detection limits for E. coli, S. aureus, and S. typhimurium are 6, 5, and 5 CFU·mL
, respectively. The sensor demonstrated reliable detection capabilities in real-sample testing. Therefore, the one-step sensor based on the 2D Zn-MOF and 2D C-Ti
C
T
has significant application value in the detection of foodborne pathogens.</description><identifier>EISSN: 1873-7072</identifier><identifier>DOI: 10.1016/j.foodchem.2024.140922</identifier><identifier>PMID: 39213967</identifier><language>eng</language><publisher>England</publisher><subject>Biosensing Techniques - instrumentation ; Electrochemical Techniques - instrumentation ; Electrodes ; Escherichia coli - isolation & purification ; Food Contamination - analysis ; Food Microbiology ; Limit of Detection ; Metal-Organic Frameworks - chemistry ; Salmonella typhimurium - isolation & purification ; Staphylococcus aureus - isolation & purification ; Titanium - chemistry ; Zinc - analysis</subject><ispartof>Food chemistry, 2025-01, Vol.462, p.140922</ispartof><rights>Copyright © 2024. Published by Elsevier Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39213967$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yang, Liuhong</creatorcontrib><creatorcontrib>Ding, Yifeng</creatorcontrib><creatorcontrib>Ma, Yuhang</creatorcontrib><creatorcontrib>Wen, Jing</creatorcontrib><creatorcontrib>Wang, Jiafeng</creatorcontrib><creatorcontrib>Dai, Ge</creatorcontrib><creatorcontrib>Mo, Fengfeng</creatorcontrib><title>An electrochemical sensor based on 2D Zn-MOFs and 2D C-Ti 3 C 2 T x composite materials for rapid and direct detection of various foodborne pathogens</title><title>Food chemistry</title><addtitle>Food Chem</addtitle><description>Rapid screening for foodborne pathogens is crucial for food safety. A rapid and one-step electrochemical sensor has been developed for the detection of Escherichia coli (E. coli), Staphylococcus aureus (S. aureus) and Salmonella typhimurium (S. typhimurium). Through the construction of aptamer/two-dimensional carboxylated Ti
C
T
(2D C-Ti
C
T
)/two-dimensional Zn-MOF (2D Zn-MOF) composites, the recognition elements, signal tags, and signal amplifiers are integrated on the electrode surface. Pathogens are selectively captured using the aptamer, which increases the impedance of the electrode surface，leads to a decrease in the 2D Zn-MOF current. Bacteria can be rapidly quantified using a one-step detection method and the replacement of aptamers. The detection limits for E. coli, S. aureus, and S. typhimurium are 6, 5, and 5 CFU·mL
, respectively. The sensor demonstrated reliable detection capabilities in real-sample testing. Therefore, the one-step sensor based on the 2D Zn-MOF and 2D C-Ti
C
T
has significant application value in the detection of foodborne pathogens.</description><subject>Biosensing Techniques - instrumentation</subject><subject>Electrochemical Techniques - instrumentation</subject><subject>Electrodes</subject><subject>Escherichia coli - isolation & purification</subject><subject>Food Contamination - analysis</subject><subject>Food Microbiology</subject><subject>Limit of Detection</subject><subject>Metal-Organic Frameworks - chemistry</subject><subject>Salmonella typhimurium - isolation & purification</subject><subject>Staphylococcus aureus - isolation & purification</subject><subject>Titanium - chemistry</subject><subject>Zinc - analysis</subject><issn>1873-7072</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2025</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFj01OwzAUhC0kRMvPFap3gQTbqZpmiQIVG8QmKzaVE79QV7GfZbsIDsJ9cRCsuxqNNPONhrGV4KXgYnN_LEciPRzQlpLLdSnWvJHygi3Ftq6Kmtdywa5jPHLOJRfbK7aoGimqZlMv2feDA5xwSIFmgBnUBBFdpAC9iqiBHMhHeHPFy-sugnJ6tm3RGaigBQkdfMJA1lM0CcGqhMGoKcKYCUF5o3872oS8ARpTFpOZNMKHCoZOc5J0T8EheJUO9J7Xb9nlmCF496c3bLV76trnwp96i3rvg7EqfO3_f1RnAz_VF1rj</recordid><startdate>20250101</startdate><enddate>20250101</enddate><creator>Yang, Liuhong</creator><creator>Ding, Yifeng</creator><creator>Ma, Yuhang</creator><creator>Wen, Jing</creator><creator>Wang, Jiafeng</creator><creator>Dai, Ge</creator><creator>Mo, Fengfeng</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope></search><sort><creationdate>20250101</creationdate><title>An electrochemical sensor based on 2D Zn-MOFs and 2D C-Ti 3 C 2 T x composite materials for rapid and direct detection of various foodborne pathogens</title><author>Yang, Liuhong ; Ding, Yifeng ; Ma, Yuhang ; Wen, Jing ; Wang, Jiafeng ; Dai, Ge ; Mo, Fengfeng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-pubmed_primary_392139673</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2025</creationdate><topic>Biosensing Techniques - instrumentation</topic><topic>Electrochemical Techniques - instrumentation</topic><topic>Electrodes</topic><topic>Escherichia coli - isolation & purification</topic><topic>Food Contamination - analysis</topic><topic>Food Microbiology</topic><topic>Limit of Detection</topic><topic>Metal-Organic Frameworks - chemistry</topic><topic>Salmonella typhimurium - isolation & purification</topic><topic>Staphylococcus aureus - isolation & purification</topic><topic>Titanium - chemistry</topic><topic>Zinc - analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Liuhong</creatorcontrib><creatorcontrib>Ding, Yifeng</creatorcontrib><creatorcontrib>Ma, Yuhang</creatorcontrib><creatorcontrib>Wen, Jing</creatorcontrib><creatorcontrib>Wang, Jiafeng</creatorcontrib><creatorcontrib>Dai, Ge</creatorcontrib><creatorcontrib>Mo, Fengfeng</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><jtitle>Food chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Liuhong</au><au>Ding, Yifeng</au><au>Ma, Yuhang</au><au>Wen, Jing</au><au>Wang, Jiafeng</au><au>Dai, Ge</au><au>Mo, Fengfeng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An electrochemical sensor based on 2D Zn-MOFs and 2D C-Ti 3 C 2 T x composite materials for rapid and direct detection of various foodborne pathogens</atitle><jtitle>Food chemistry</jtitle><addtitle>Food Chem</addtitle><date>2025-01-01</date><risdate>2025</risdate><volume>462</volume><spage>140922</spage><pages>140922-</pages><eissn>1873-7072</eissn><abstract>Rapid screening for foodborne pathogens is crucial for food safety. A rapid and one-step electrochemical sensor has been developed for the detection of Escherichia coli (E. coli), Staphylococcus aureus (S. aureus) and Salmonella typhimurium (S. typhimurium). Through the construction of aptamer/two-dimensional carboxylated Ti
C
T
(2D C-Ti
C
T
)/two-dimensional Zn-MOF (2D Zn-MOF) composites, the recognition elements, signal tags, and signal amplifiers are integrated on the electrode surface. Pathogens are selectively captured using the aptamer, which increases the impedance of the electrode surface，leads to a decrease in the 2D Zn-MOF current. Bacteria can be rapidly quantified using a one-step detection method and the replacement of aptamers. The detection limits for E. coli, S. aureus, and S. typhimurium are 6, 5, and 5 CFU·mL
, respectively. The sensor demonstrated reliable detection capabilities in real-sample testing. Therefore, the one-step sensor based on the 2D Zn-MOF and 2D C-Ti
C
T
has significant application value in the detection of foodborne pathogens.</abstract><cop>England</cop><pmid>39213967</pmid><doi>10.1016/j.foodchem.2024.140922</doi></addata></record> |
| fulltext | fulltext |
| identifier | EISSN: 1873-7072 |
| ispartof | Food chemistry, 2025-01, Vol.462, p.140922 |
| issn | 1873-7072 |
| language | eng |
| recordid | cdi_pubmed_primary_39213967 |
| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Biosensing Techniques - instrumentation Electrochemical Techniques - instrumentation Electrodes Escherichia coli - isolation & purification Food Contamination - analysis Food Microbiology Limit of Detection Metal-Organic Frameworks - chemistry Salmonella typhimurium - isolation & purification Staphylococcus aureus - isolation & purification Titanium - chemistry Zinc - analysis |
| title | An electrochemical sensor based on 2D Zn-MOFs and 2D C-Ti 3 C 2 T x composite materials for rapid and direct detection of various foodborne pathogens |
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