Analysis & sensing最新文献_第9页

Probing the Missing Links: Mass Spectrometry of Small-Molecule Clusters on the Pathway to Fibrils and Crystals 探测缺失环节：通往原纤维和晶体的小分子簇的质谱分析

IF 2.9

Analysis & sensing Pub Date : 2026-03-22 DOI: 10.1002/anse.202500241

Thanh D. Do

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引用次数: 0

IF 2.9

Analysis & sensing Pub Date : 2026-03-22

引用次数: 0

Probing the Missing Links: Mass Spectrometry of Small-Molecule Clusters on the Pathway to Fibrils and Crystals 探测缺失环节：通往原纤维和晶体的小分子簇的质谱分析

IF 2.9

Analysis & sensing Pub Date : 2026-03-22 DOI: 10.1002/anse.202500241

Thanh D. Do

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引用次数: 0

IF 2.9

Analysis & sensing Pub Date : 2026-03-22

引用次数: 0

Self-Powered Potentiometric Sensing of Amoxicillin in Cow Milk and Waste Water Over Zinc Oxide Encapsulated Cellulose-Grafted Polyaniline 氧化锌包封纤维素接枝聚苯胺对牛奶和废水中阿莫西林的自供电电位传感

IF 2.9

Analysis & sensing Pub Date : 2026-03-16 DOI: 10.1002/anse.202500232

Chandra Shekhar Kushwaha, Vinay Kumar Singh, Nand Gopal Giri, Saroj Kr. Shukla

{"title":"Self-Powered Potentiometric Sensing of Amoxicillin in Cow Milk and Waste Water Over Zinc Oxide Encapsulated Cellulose-Grafted Polyaniline","authors":"Chandra Shekhar Kushwaha, Vinay Kumar Singh, Nand Gopal Giri, Saroj Kr. Shukla","doi":"10.1002/anse.202500232","DOIUrl":"10.1002/anse.202500232","url":null,"abstract":"A self-powered potentiometric sensing of residual amoxicillin (AMX) in milk, meat extract and waste water of hospital has been demonstrated over zinc oxide, cellulose and polyaniline (ZnO-en-Cell-g-PANI) nanocomposite. The chemical structure, morphology, and properties of nanocomposite was investigated by suitable analytical techniques and ASTM methods. The observed analytical results confirms the porous and heterogeneous structure of composite with axial oriented crystallinity, ∼3.28 × 10–4 S cm–1 electrical conductivity, and chemical responsive nature. Further, the 100 μm film of ZnO-en-Cell-g-PANI nanocomposite coated on ITO glass plate to use as an electrode for potentiometric sensing of residual AMX in waste water, meat extract and milk samples under optimum conditions and using own fabricated sensing set up. The experimental result revealed reproducibility, linear sensing range from 0.5 to 100.0 µM AMX concentrations, 2.24 mV µM−1 cm−2 sensitivity, 3.45 × 10−2 µM detection limit, 180 s response time, 20 s recovery time, 45 days stability at 7.0 pH and room temperature. The mechanism for non-enzymatic sensing of AMX has been proposed after correlating the induced potential and electrochemical surface interaction occurring between AMX molecules and ZnO-en-Cell-g-PANI.","PeriodicalId":72192,"journal":{"name":"Analysis & sensing","volume":"6 2","pages":""},"PeriodicalIF":2.9,"publicationDate":"2026-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147637144","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Self-Powered Potentiometric Sensing of Amoxicillin in Cow Milk and Waste Water Over Zinc Oxide Encapsulated Cellulose-Grafted Polyaniline 氧化锌包封纤维素接枝聚苯胺对牛奶和废水中阿莫西林的自供电电位传感

IF 2.9

Analysis & sensing Pub Date : 2026-03-16 DOI: 10.1002/anse.202500232

Chandra Shekhar Kushwaha, Vinay Kumar Singh, Nand Gopal Giri, Saroj Kr. Shukla

{"title":"Self-Powered Potentiometric Sensing of Amoxicillin in Cow Milk and Waste Water Over Zinc Oxide Encapsulated Cellulose-Grafted Polyaniline","authors":"Chandra Shekhar Kushwaha, Vinay Kumar Singh, Nand Gopal Giri, Saroj Kr. Shukla","doi":"10.1002/anse.202500232","DOIUrl":"https://doi.org/10.1002/anse.202500232","url":null,"abstract":"A self-powered potentiometric sensing of residual amoxicillin (AMX) in milk, meat extract and waste water of hospital has been demonstrated over zinc oxide, cellulose and polyaniline (ZnO-en-Cell-g-PANI) nanocomposite. The chemical structure, morphology, and properties of nanocomposite was investigated by suitable analytical techniques and ASTM methods. The observed analytical results confirms the porous and heterogeneous structure of composite with axial oriented crystallinity, ∼3.28 × 10–4 S cm–1 electrical conductivity, and chemical responsive nature. Further, the 100 μm film of ZnO-en-Cell-g-PANI nanocomposite coated on ITO glass plate to use as an electrode for potentiometric sensing of residual AMX in waste water, meat extract and milk samples under optimum conditions and using own fabricated sensing set up. The experimental result revealed reproducibility, linear sensing range from 0.5 to 100.0 µM AMX concentrations, 2.24 mV µM−1 cm−2 sensitivity, 3.45 × 10−2 µM detection limit, 180 s response time, 20 s recovery time, 45 days stability at 7.0 pH and room temperature. The mechanism for non-enzymatic sensing of AMX has been proposed after correlating the induced potential and electrochemical surface interaction occurring between AMX molecules and ZnO-en-Cell-g-PANI.","PeriodicalId":72192,"journal":{"name":"Analysis & sensing","volume":"6 2","pages":""},"PeriodicalIF":2.9,"publicationDate":"2026-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147637145","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

IF 2.9

Analysis & sensing Pub Date : 2026-03-16

引用次数: 0

IF 2.9

Analysis & sensing Pub Date : 2026-03-16

引用次数: 0

Albumin-Assisted Supramolecular Probe for Ratiometric Detection of PFAS in Aqueous Medium 白蛋白辅助超分子探针用于水介质中PFAS的比例检测

IF 2.9

Analysis & sensing Pub Date : 2026-03-16 DOI: 10.1002/anse.202500207

Supriya Joshi, Ritika Joshi, Abhay Vijay Kotkondawar, Manojkumar Jadhao

{"title":"Albumin-Assisted Supramolecular Probe for Ratiometric Detection of PFAS in Aqueous Medium","authors":"Supriya Joshi, Ritika Joshi, Abhay Vijay Kotkondawar, Manojkumar Jadhao","doi":"10.1002/anse.202500207","DOIUrl":"10.1002/anse.202500207","url":null,"abstract":"Per- and polyfluoroalkyl substances (PFAS) are persistent environmental pollutants, and their growing concern requires the development of efficient detection methodologies. The present article introduces a novel supramolecular host–guest sensing system using human serum albumin (HSA) as the host and a specifically designed chromophoric azo dye, (E)-(2-hydroxy-5-((3,4,5-trimethoxyphenyl)diazenyl)phenyl)(pyrrolidine-1-yl)methanone (TPAZ), as the guest. The probe was used for ratiometric and colorimetric detection of PFOS, PFOA, and PFNA. Absorbance and fluorescence techniques were used to study the photophysical properties, binding stoichiometry, and site-specific interactions. The density functional theory calculations also supporting strong intramolecular charge transfer behavior and visible-light absorption. The TPAZ–HSA complex showed distinct spectral shifts and a visible color change from yellow to colorless upon interaction with PFAS, enabling rapid and selective detection, however, the sensor is selective toward PFAS as a class but not toward individual PFAS. This probe enables simple paper-based test strips for on-site PFAS detection in water using smartphhgone images. Molecular docking revealed the sensing mechanism and competitive binding of TPAZ and PFAS at albumin sites. This article demonstrates a simple, cost-effective, and selective sensing approach for on-site detection of PFAS in aqueous systems.","PeriodicalId":72192,"journal":{"name":"Analysis & sensing","volume":"6 2","pages":""},"PeriodicalIF":2.9,"publicationDate":"2026-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147637035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Albumin-Assisted Supramolecular Probe for Ratiometric Detection of PFAS in Aqueous Medium 白蛋白辅助超分子探针用于水介质中PFAS的比例检测

IF 2.9

Analysis & sensing Pub Date : 2026-03-16 DOI: 10.1002/anse.202500207

Supriya Joshi, Ritika Joshi, Abhay Vijay Kotkondawar, Manojkumar Jadhao

{"title":"Albumin-Assisted Supramolecular Probe for Ratiometric Detection of PFAS in Aqueous Medium","authors":"Supriya Joshi, Ritika Joshi, Abhay Vijay Kotkondawar, Manojkumar Jadhao","doi":"10.1002/anse.202500207","DOIUrl":"https://doi.org/10.1002/anse.202500207","url":null,"abstract":"Per- and polyfluoroalkyl substances (PFAS) are persistent environmental pollutants, and their growing concern requires the development of efficient detection methodologies. The present article introduces a novel supramolecular host–guest sensing system using human serum albumin (HSA) as the host and a specifically designed chromophoric azo dye, (E)-(2-hydroxy-5-((3,4,5-trimethoxyphenyl)diazenyl)phenyl)(pyrrolidine-1-yl)methanone (TPAZ), as the guest. The probe was used for ratiometric and colorimetric detection of PFOS, PFOA, and PFNA. Absorbance and fluorescence techniques were used to study the photophysical properties, binding stoichiometry, and site-specific interactions. The density functional theory calculations also supporting strong intramolecular charge transfer behavior and visible-light absorption. The TPAZ–HSA complex showed distinct spectral shifts and a visible color change from yellow to colorless upon interaction with PFAS, enabling rapid and selective detection, however, the sensor is selective toward PFAS as a class but not toward individual PFAS. This probe enables simple paper-based test strips for on-site PFAS detection in water using smartphhgone images. Molecular docking revealed the sensing mechanism and competitive binding of TPAZ and PFAS at albumin sites. This article demonstrates a simple, cost-effective, and selective sensing approach for on-site detection of PFAS in aqueous systems.","PeriodicalId":72192,"journal":{"name":"Analysis & sensing","volume":"6 2","pages":""},"PeriodicalIF":2.9,"publicationDate":"2026-03-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147637143","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0