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Lovato MJ, De Lama-Odría MDC, Puiggalí J, del Valle LJ, Franco L. A Color Indicator Based on 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium Bromide (MTT) and a Biodegradable Poly(ester amide) for Detecting Bacterial Contamination. Int J Mol Sci 2024; 25:6671. [PMID: 38928377 PMCID: PMC11204193 DOI: 10.3390/ijms25126671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 06/10/2024] [Accepted: 06/15/2024] [Indexed: 06/28/2024] Open
Abstract
Bacterial contamination is a hazard in many industries, including food, pharmaceuticals, and healthcare. The availability of a rapid and simple method for detecting this type of contamination in sterile areas enables immediate intervention to avoid or reduce detrimental effects. Among these methods, colorimetric indicators are becoming increasingly popular due to their affordability, ease of use, and quick visual interpretation of the signal. In this article, a bacterial contamination indicator system was designed by incorporating MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) into an electrospun PADAS matrix, which is a biodegradable poly(ester amide) synthesized from L-alanine, 1,12-dodecanediol, and sebacic acid. Uniaxial stress testing, thermogravimetric analysis and scanning electron microscopy were used to examine the mechanical properties, thermal stability, and morphology of the mats, respectively. The capacity for bacterial detection was not only analyzed with agar and broth assays but also by replicating important environmental conditions. Among the MTT concentrations tested in this study (0.2%, 2%, and 5%), it was found that only with a 2% MTT content the designed system produced a color response visible to the naked eye with optimal intensity, a sensitivity limit of 104 CFU/mL, and 86% cell viability, which showed the great potential for its use to detect bacterial contamination. In summary, by means of the process described in this work, it was possible to obtain a simple, low-cost and fast-response bacterial contamination indicator that can be used in mask filters, air filters, or protective clothing.
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Affiliation(s)
- María José Lovato
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain; (M.J.L.); (M.d.C.D.L.-O.); (J.P.); (L.J.d.V.)
| | - María del Carmen De Lama-Odría
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain; (M.J.L.); (M.d.C.D.L.-O.); (J.P.); (L.J.d.V.)
| | - Jordi Puiggalí
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain; (M.J.L.); (M.d.C.D.L.-O.); (J.P.); (L.J.d.V.)
- Center for Research in Nano-Engineering, Universitat Politècnica de Catalunya, Campus Sud, Edifici C’, c/Pasqual i Vila s/n, 08028 Barcelona, Spain
| | - Luis J. del Valle
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain; (M.J.L.); (M.d.C.D.L.-O.); (J.P.); (L.J.d.V.)
- Center for Research in Nano-Engineering, Universitat Politècnica de Catalunya, Campus Sud, Edifici C’, c/Pasqual i Vila s/n, 08028 Barcelona, Spain
| | - Lourdes Franco
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, c/Eduard Maristany 10-14, 08019 Barcelona, Spain; (M.J.L.); (M.d.C.D.L.-O.); (J.P.); (L.J.d.V.)
- Center for Research in Nano-Engineering, Universitat Politècnica de Catalunya, Campus Sud, Edifici C’, c/Pasqual i Vila s/n, 08028 Barcelona, Spain
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2
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Xu C, Bonfante G, Park J, Salles V, Kim B. Fabrication of an electrospun polycaprolactone substrate for colorimetric bioassays. Biomed Microdevices 2023; 25:32. [PMID: 37589770 PMCID: PMC10435419 DOI: 10.1007/s10544-023-00673-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/10/2023] [Indexed: 08/18/2023]
Abstract
Colorimetric assays rely on detecting colour changes to measure the concentration of target molecules. Paper substrates are commonly used for the detection of biomarkers due to their availability, porous structure, and capillarity. However, the morphological and mechanical properties of paper, such as fibre diameter, pore size, and tensile strength, cannot be easily tuned to meet the specific requirements of colorimetric sensors, including liquid capacity and reagent immobilisation. As an alternative to paper materials, biodegradable polymeric membranes made of electrospun polycaprolactone (PCL) fibres can provide various tunable properties related to fibre diameter and pore size.We aimed to obtain a glucose sensor substrate for colorimetric sensing using electrospinning with PCL. A feeding solution was created by mixing PCL/chloroform and 3,3',5',5'-tetramethylbenzidine (TMB)/ethanol solutions. This solution was electrospun to fabricate a porous membrane composed of microfibres consist of PCL and TMB. The central area of the membrane was made hydrophilic through air plasma treatment, and it was subsequently functionalized with a solution containing glucose oxidase, horseradish peroxidase, and trehalose.The sensing areas were evaluated by measuring colour changes in glucose solutions of varying concentrations. The oxidation reactions of glucose and TMB in sensor substrates were recorded and analysed to establish the correlation between different glucose concentrations and colour changes. For comparison, conventional paper substrates prepared with same parameters were evaluated alongside the electrospun PCL substrates. As a result, better immobilization of reagents and higher sensitivity of glucose were achieved with PCL substrates, indicating their potential usage as a new sensing substrate for bioassays.
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Affiliation(s)
- Chensong Xu
- Department of Precision Engineering, School of Engineering, The University of Tokyo, Tokyo, 153-8505, Japan
| | - Gwenaël Bonfante
- Institute of Industrial Science, The University of Tokyo, Tokyo, 153-8505, Japan
- LIMMS, CNRS-IIS UMI 2820, The University of Tokyo, Tokyo, 153-8505, Japan
| | - Jongho Park
- Institute of Industrial Science, The University of Tokyo, Tokyo, 153-8505, Japan
| | - Vincent Salles
- LIMMS, CNRS-IIS UMI 2820, The University of Tokyo, Tokyo, 153-8505, Japan
| | - Beomjoon Kim
- Institute of Industrial Science, The University of Tokyo, Tokyo, 153-8505, Japan.
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3
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Mulyaningsih RD, Pratiwi R, Hasanah AN. An Update on the Use of Natural Pigments and Pigment Nanoparticle Adducts for Metal Detection Based on Colour Response. BIOSENSORS 2023; 13:bios13050554. [PMID: 37232915 DOI: 10.3390/bios13050554] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 05/07/2023] [Accepted: 05/16/2023] [Indexed: 05/27/2023]
Abstract
Natural pigments occur in plants as secondary metabolites and have been used as safe colourants in food. Studies have reported that their unstable colour intensity might be related to metal ion interaction, which leads to the formation of metal-pigment complexes. This underlines the need for further investigations on the use of natural pigments in metal detection using colorimetric methods, since metals are important elements and can be hazardous when present in large amounts. This review aimed to discuss the use of natural pigments (mainly betalains, anthocyanins, curcuminoids, carotenoids, and chlorophyll) as reagents for portable metal detection based on their limits of detection, to determine which pigment is best for certain metals. Colorimetric-related articles over the last decade were gathered, including those involving methodological modifications, sensor developments, and a general overview. When considering sensitivity and portability, the results revealed that betalains are best applied for copper, using a smartphone-assisted sensor; curcuminoids are best applied for lead, using a curcumin nanofiber; and anthocyanin is best applied for mercury, using anthocyanin hydrogel. This provides a new perspective on the use of colour instability for the detection of metals with modern sensor developments. In addition, a coloured sheet representing metal concentrations may be useful as a standard to support on-site detection with trials on masking agents to improve selectivity.
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Affiliation(s)
- Raspati D Mulyaningsih
- Master Program in Pharmacy, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
| | - Rimadani Pratiwi
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
- Drug Development Study Centre, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
| | - Aliya N Hasanah
- Department of Pharmaceutical Analysis and Medicinal Chemistry, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
- Drug Development Study Centre, Faculty of Pharmacy, Universitas Padjadjaran, Sumedang 45363, Indonesia
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Chen J, Rong F, Xie Y. Fabrication, Microstructures and Sensor Applications of Highly Ordered Electrospun Nanofibers: A Review. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16093310. [PMID: 37176192 PMCID: PMC10179621 DOI: 10.3390/ma16093310] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/10/2023] [Accepted: 04/17/2023] [Indexed: 05/15/2023]
Abstract
The review summarizes the fabrication, microstructures, and sensor applications of highly ordered electrospun nanofibers. In the traditional electrospinning process, electrospun nanofibers usually have disordered or random microstructures due to the chaotic oscillation of the electrospinning jet. Different electrospinning methods can be formed by introducing external forces, such as magnetic, electric, or mechanical forces, and ordered nanofibers can be collected. The microstructures of highly ordered nanofibers can be divided into three categories: uniaxially ordered nanofibers, biaxially ordered nanofibers and ordered scaffolds. The three microstructures are each characterized by being ordered in different dimensions. The regulation and control of the ordered microstructures can promote electrospun nanofibers' mechanical and dielectric strength, surface area and chemical properties. Highly ordered electrospun nanofibers have more comprehensive applications than disordered nanofibers do in effect transistors, gas sensors, reinforced composite materials and tissue engineering. This review also intensively summarizes the applications of highly ordered nanofibers in the sensor field, such as pressure sensors, humidity sensors, strain sensors, gas sensors, and biosensors.
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Affiliation(s)
- Jing Chen
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
- Southeast University-Monash University Joint Graduate School (Suzhou), Suzhou 215123, China
| | - Fei Rong
- School of Biological Sciences and Medical Engineering, Southeast University, Nanjing 211189, China
| | - Yibing Xie
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China
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5
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Zhang H, Xu Y, Xu Y, Lu J, Song X, Luo X. An ingenious cellulose membrane sensor design strategy for colorimetric detection of Ag +/Hg 2+ based on redox reaction. Talanta 2023; 255:124209. [PMID: 36566556 DOI: 10.1016/j.talanta.2022.124209] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 12/18/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
This paper describes an ingenious cellulose membrane sensor design strategy for colorimetric detection of Ag+/Hg2+ based on redox reaction. The colorless 3,3',5,5'-tetramethylbenzidine (TMB) can be oxidized to blue oxidized TMB (oxTMB) when exposed to Ag+/Hg2+ that with strong oxidizing properties. Based on this phenomenon, TMB can be design as a colorimetric probe for Ag+/Hg2+, and the reaction mechanism and sensing performance of TMB as Ag+/Hg2+ were explored. In addition, the TMB probe-immobilized cellulose membranes (TMB@CMs) were developed by combining TMB with high-purity cellulose membranes (CMs) carrier with porous and polyhydroxy structures. As a platform for probe immobilization, TMB@CMs can effectively improve colorimetric sensing response and stability of TMB. The colorimetric mechanism of TMB@CMs was investigated including in situ oxidation of TMB and immediate immobilization of oxTMB. The experimental results showed that the visual detection limit (VLOD) of Ag+/Hg2+ was 10 μM when TMB was used as colorimetric probe, while the VLOD of the TMB@CMs was 1 μM. In addition, TMB@CMs had good reusability and stability. Through the analysis of SEM, EDS and XPS results, the mechanism of TMB colorimetric detection of Ag+/Hg2+ was that blue oxTMB and Ag/Hg elementals were generated by redox reaction between them. This study not only verified the feasibility of TMB as an Ag+/Hg2+ colorimetric probe, but also designed a probe-immobilized cellulose membrane model with convenient operation, uniform color development and stable color, which effectively improved the colorimetric sensing response and stability.
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Affiliation(s)
- Heng Zhang
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China.
| | - Ying Xu
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China
| | - Yating Xu
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China
| | - Junya Lu
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China
| | - Xuxuan Song
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China
| | - Xiaogang Luo
- School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, LiuFang Campus, No.206, Guanggu 1st Road, Donghu New & High Technology Development Zone, Wuhan, 430205, Hubei, China; School of Materials Science and Engineering, Zhengzhou University, No.100 Science Avenue, Zhengzhou City, 450001, Henan, China.
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6
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Aggarwal R, Kumar S, Virender, Kumar A, Mohan B, Sharma D, Kumar V. Development of heterocyclic 2,7-diamino-3-phenylazo-6-phenylpyrazolo[1,5-a]pyrimidine as antimicrobial agent and selective probe for UV–visible and colorimetric detection of Hg2+ ions. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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7
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Halicka K, Meloni F, Czok M, Spychalska K, Baluta S, Malecha K, Pilo MI, Cabaj J. New Trends in Fluorescent Nanomaterials-Based Bio/Chemical Sensors for Neurohormones Detection-A Review. ACS OMEGA 2022; 7:33749-33768. [PMID: 36188279 PMCID: PMC9520559 DOI: 10.1021/acsomega.2c04134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 09/05/2022] [Indexed: 06/16/2023]
Abstract
The study of neurotransmitters and stress hormones allows the determination of indicators of the current stress load in the body. These species also create a proper strategy of stress protection. Nowadays, stress is a general factor that affects the population, and it may cause a wide range of serious disorders. Abnormalities in the level of neurohormones, caused by chronic psychological stress, can occur in, for instance, corporate employees, health care workers, shift workers, policemen, or firefighters. Here we present a new nanomaterials-based sensors technology development for the determination of neurohormones. We focus on fluorescent sensors/biosensors that utilize nanomaterials, such as quantum dots or carbon nanomaterials. Nanomaterials, owing to their diversity in size and shape, have been attracting increasing attention in sensing or bioimaging. They possess unique properties, such as fluorescent, electronic, or photoluminescent features. In this Review, we summarize new trends in adopting nanomaterials for applications in fluorescent sensors for neurohormone monitoring.
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Affiliation(s)
- Kinga Halicka
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Francesca Meloni
- Department
of Chemistry and Pharmacy, University of
Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Mateusz Czok
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Kamila Spychalska
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Sylwia Baluta
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Karol Malecha
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Maria I. Pilo
- Department
of Chemistry and Pharmacy, University of
Sassari, Via Vienna 2, 07100 Sassari, Italy
| | - Joanna Cabaj
- Faculty
of Chemistry and Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
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8
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Li L, Zhao W, Luo L, Liu X, Bi X, Li J, Jiang P, You T. Electrochemiluminescence of Carbon‐based Quantum Dots: Synthesis, Mechanism and Application in Heavy Metal Ions Detection. ELECTROANAL 2022. [DOI: 10.1002/elan.202100221] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Libo Li
- Key Laboratory of Modern Agricultural Equipment and Technology Ministry of Education School of Agricultural Engineering Jiangsu University 212013 Zhenjiang Jiangsu China
| | - Wanlin Zhao
- Key Laboratory of Modern Agricultural Equipment and Technology Ministry of Education School of Agricultural Engineering Jiangsu University 212013 Zhenjiang Jiangsu China
| | - Lijun Luo
- Key Laboratory of Modern Agricultural Equipment and Technology Ministry of Education School of Agricultural Engineering Jiangsu University 212013 Zhenjiang Jiangsu China
| | - Xiaohong Liu
- Key Laboratory of Modern Agricultural Equipment and Technology Ministry of Education School of Agricultural Engineering Jiangsu University 212013 Zhenjiang Jiangsu China
| | - Xiaoya Bi
- Key Laboratory of Modern Agricultural Equipment and Technology Ministry of Education School of Agricultural Engineering Jiangsu University 212013 Zhenjiang Jiangsu China
| | - Jiamin Li
- Key Laboratory of Modern Agricultural Equipment and Technology Ministry of Education School of Agricultural Engineering Jiangsu University 212013 Zhenjiang Jiangsu China
| | - Panao Jiang
- Key Laboratory of Modern Agricultural Equipment and Technology Ministry of Education School of Agricultural Engineering Jiangsu University 212013 Zhenjiang Jiangsu China
| | - Tianyan You
- Key Laboratory of Modern Agricultural Equipment and Technology Ministry of Education School of Agricultural Engineering Jiangsu University 212013 Zhenjiang Jiangsu China
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9
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Kong Y, Wang M, Lu W, Li L, Li J, Chen M, Wang Q, Qin G, Cao D. Rhodamine-based chemosensor for Sn 2+ detection and its application in nanofibrous film and bioimaging. Anal Bioanal Chem 2022; 414:2009-2019. [PMID: 35048136 DOI: 10.1007/s00216-021-03836-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Revised: 11/15/2021] [Accepted: 12/06/2021] [Indexed: 01/30/2023]
Abstract
A simple rhodamine-based compound CK was designed and synthesized as a fluorescent chemosensor for Sn2+ based on Sn2+-mediated cyclization. The optical investigation indicated that the probe could quantitatively detect Sn2+ in a concentration range of 10-30 μM, with a detection limit of 118 nM. Moreover, probe CK, with low cytotoxicity, was successfully applied for imaging of Sn2+ in HeLa cells and mice, exhibiting excellent biocompatibility and cell membrane permeability. For on-site monitoring, CK-hybridized polymethyl methacrylate (PMMA) nanofibers were prepared by electrospinning and successfully employed for the visual detection of Sn2+ in actual samples. All the results demonstrated that the chemosensor could be a promising tool for the detection of Sn2+ in vitro and in vivo.
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Affiliation(s)
- Yaqiong Kong
- Engineering Technology Center of Department of Education of Anhui Province, Institute of Novel Functional Materials and Fine Chemicals, and College of Chemistry and Materials Engineering, Chaohu University, Chaohu, 238024, People's Republic of China
| | - Mengmeng Wang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210023, People's Republic of China
| | - Wensheng Lu
- Engineering Technology Center of Department of Education of Anhui Province, Institute of Novel Functional Materials and Fine Chemicals, and College of Chemistry and Materials Engineering, Chaohu University, Chaohu, 238024, People's Republic of China
| | - Lei Li
- Engineering Technology Center of Department of Education of Anhui Province, Institute of Novel Functional Materials and Fine Chemicals, and College of Chemistry and Materials Engineering, Chaohu University, Chaohu, 238024, People's Republic of China
| | - Jing Li
- Engineering Technology Center of Department of Education of Anhui Province, Institute of Novel Functional Materials and Fine Chemicals, and College of Chemistry and Materials Engineering, Chaohu University, Chaohu, 238024, People's Republic of China
| | - Minmin Chen
- Engineering Technology Center of Department of Education of Anhui Province, Institute of Novel Functional Materials and Fine Chemicals, and College of Chemistry and Materials Engineering, Chaohu University, Chaohu, 238024, People's Republic of China
| | - Qian Wang
- Department of Radiation Oncology, China-Japan Union Hospital of Jilin University, Changchun, People's Republic of China.
| | - Guoxu Qin
- Engineering Technology Center of Department of Education of Anhui Province, Institute of Novel Functional Materials and Fine Chemicals, and College of Chemistry and Materials Engineering, Chaohu University, Chaohu, 238024, People's Republic of China.
| | - Duojun Cao
- Engineering Technology Center of Department of Education of Anhui Province, Institute of Novel Functional Materials and Fine Chemicals, and College of Chemistry and Materials Engineering, Chaohu University, Chaohu, 238024, People's Republic of China.
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10
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Coşkuner Filiz B, Basaran Elalmis Y, Bektaş İS, Kantürk Figen A. Fabrication of stable electrospun blended chitosan-poly(vinyl alcohol) nanofibers for designing naked-eye colorimetric glucose biosensor based on GOx/HRP. Int J Biol Macromol 2021; 192:999-1012. [PMID: 34655587 DOI: 10.1016/j.ijbiomac.2021.10.048] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/14/2021] [Accepted: 10/07/2021] [Indexed: 02/06/2023]
Abstract
In this study, designing of a stable electrospun blended chitosan (CS)-poly(vinyl alcohol) (PVA) nanofibers for colorimetric glucose biosensing in an aqueous medium was investigated. CS and PVA solutions were blended to acquire an optimum content (CS/PVA:1/4) and electrospunned to obtain uniform and bead-free CS/PVA nanofiber structures following the optimization of the electrospinning parameters (33 kV, 20 cm, and 1.2 ml.h-1). Crosslinking process applied subsequently provided mechanically and chemically stable nanofibers with an average diameter of 378 nm. The morphological homogeneity, high fluid absorption ability (>%50), thermal (<230 °C) and morphological stability, surface hydrophilicity and degrability properties of cross-linked CS/PVA nanofiber demonstrated their great potential to be developed as an eye-readable strip for biosensing applications. The glucose oxidase (GOx) and horseradish peroxidase (HRP) was immobilized by physical adsorption on the cross-linked CS/PVA nanofiber. The glucose assay analysis by ultraviolet-visible (UV-Vis) spectrophotometry using the same enzymatic system of the proposed glucose strips in form of absorbance versus concentration plot was found to be linear over a glucose concentration range of 2.7 to 13.8 mM. The prepared naked eye colorimetric glucose detection strips, with lower detection limit of 2.7 mM, demonstrated dramatic color change from white (0 mM) to brownish-orange (13.8 mM). The developed cross-linked CS/PVA nanofiber strips, prepared by electrospinnig procedure, could be easily adapted to a color map, as an alternative material for glucose sensing. Design of a practical, low-cost, and environmental-friendly bio-based CS/PVA testing strips for eye readable detection were presented and suggested as an applicable medium for a wide range of glucose concentrations.
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Affiliation(s)
- Bilge Coşkuner Filiz
- Yıldız Technical University, Metallurgy and Materials Engineering Department, İstanbul 34210, Turkey.
| | | | - İrem Serra Bektaş
- Yıldız Technical University, Chemical Engineering Department, İstanbul 34210, Turkey
| | - Aysel Kantürk Figen
- Yıldız Technical University, Chemical Engineering Department, İstanbul 34210, Turkey
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11
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Santos APLA, Deokaran GO, Costa CV, Gama LILM, Mazzini Júnior EG, de Assis AML, de Freitas JD, de Araujo WR, Dias RP, da Silva JCS, Costa LMM, Ribeiro AS. A "turn-off" fluorescent sensor based on electrospun polycaprolactone nanofibers and fluorene(bisthiophene) derivative for nitroaromatic explosive detection. Forensic Sci Int 2021; 329:111056. [PMID: 34736045 DOI: 10.1016/j.forsciint.2021.111056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 09/21/2021] [Accepted: 10/11/2021] [Indexed: 11/17/2022]
Abstract
The preparation of fluorene(bisthiophene)-based fluorescent nanofibers for nitroaromatic explosive detection provides a convenient rapid and low-cost strategy aiming at forensic applications. Polycaprolactone (PCL) and fluorene(bisthiophene) derivative (FBT) nanofibers were obtained by electrospinning technique as a free-standing mat and characterized by SEM, FTIR, thermal analysis and fluorescence spectroscopy. The PCL/FBT nanofibers presented high sensitivity towards 2,4,6-trinitrotoluene (TNT) and picric acid (PA), with fluorescence quenching (turn-off mechanism), and selectivity to another kind of explosives. The free-standing mats were used as a cloth strip that was swiped on surfaces contaminated with TNT traces allowing its visual detection under UV light source. These findings are particularly important for the development of a facile and promising strategy to assembly portable optical devices for nitroaromatic explosive detection.
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Affiliation(s)
- Anna Paula L A Santos
- Chemistry and Biotechnology Institute, Federal University of Alagoas, Campus A. C. Simões, 57072-970 Maceió, AL, Brazil
| | - Gerard O Deokaran
- Chemistry and Biotechnology Institute, Federal University of Alagoas, Campus A. C. Simões, 57072-970 Maceió, AL, Brazil; Criminalistics Institute of Alagoas, 57020-070, Maceió, AL, Brazil
| | - Cristiane V Costa
- Chemistry and Biotechnology Institute, Federal University of Alagoas, Campus A. C. Simões, 57072-970 Maceió, AL, Brazil
| | - Lillia I L M Gama
- Portable Chemical Sensors Lab, Institute of Chemistry, State University of Campinas, 13083-970, Campinas, SP, Brazil
| | - Edu G Mazzini Júnior
- Chemistry and Biotechnology Institute, Federal University of Alagoas, Campus A. C. Simões, 57072-970 Maceió, AL, Brazil
| | - Alexandro M L de Assis
- Chemistry and Biotechnology Institute, Federal University of Alagoas, Campus A. C. Simões, 57072-970 Maceió, AL, Brazil; Technical and Scientific Section of Alagoas, Federal Police, 57025-080, Maceió, AL, Brazil
| | | | - William R de Araujo
- Portable Chemical Sensors Lab, Institute of Chemistry, State University of Campinas, 13083-970, Campinas, SP, Brazil
| | - Roberta P Dias
- Federal University of Pernambuco, Campus Agreste, 55014-900 Caruaru, PE, Brazil
| | - Júlio C S da Silva
- Chemistry and Biotechnology Institute, Federal University of Alagoas, Campus A. C. Simões, 57072-970 Maceió, AL, Brazil
| | - Ligia M M Costa
- Chemistry and Biotechnology Institute, Federal University of Alagoas, Campus A. C. Simões, 57072-970 Maceió, AL, Brazil
| | - Adriana S Ribeiro
- Chemistry and Biotechnology Institute, Federal University of Alagoas, Campus A. C. Simões, 57072-970 Maceió, AL, Brazil.
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12
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Halicka K, Cabaj J. Electrospun Nanofibers for Sensing and Biosensing Applications-A Review. Int J Mol Sci 2021; 22:6357. [PMID: 34198611 PMCID: PMC8232165 DOI: 10.3390/ijms22126357] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 06/11/2021] [Accepted: 06/11/2021] [Indexed: 12/19/2022] Open
Abstract
Sensors and biosensors have found applications in many areas, e.g., in medicine and clinical diagnostics, or in environmental monitoring. To expand this field, nanotechnology has been employed in the construction of sensing platforms. Because of their properties, such as high surface area to volume ratio, nanofibers (NFs) have been studied and used to develop sensors with higher loading capacity, better sensitivity, and faster response time. They also allow to miniaturize designed platforms. One of the most commonly used techniques of the fabrication of NFs is electrospinning. Electrospun NFs can be used in different types of sensors and biosensors. This review presents recent studies concerning electrospun nanofiber-based electrochemical and optical sensing platforms for the detection of various medically and environmentally relevant compounds, including glucose, drugs, microorganisms, and toxic metal ions.
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Affiliation(s)
| | - Joanna Cabaj
- Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland;
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Balusamy B, Senthamizhan A, Celebioglu A, Uyar T. Single nozzle electrospinning promoted hierarchical shell wall structured zinc oxide hollow tubes for water remediation. J Colloid Interface Sci 2021; 593:162-171. [PMID: 33744527 DOI: 10.1016/j.jcis.2021.02.089] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 02/15/2021] [Accepted: 02/21/2021] [Indexed: 11/25/2022]
Abstract
HYPOTHESIS Electrospun metal oxide hollow tubes are of great interest owing to their unique structural advantages compared to solid nanofibers. Although intensive research on preparation of hollow tubes have been devoted, formation of hierarchical shells remains a significant challenge. EXPERIMENTS Herein, we demonstrate the fabrication of highly uniform, reproducible and industrially feasible ZnO hollow tubes (ZHT) with two-level hierarchical shells via a simple and versatile single-nozzle electrospinning strategy coupled with subsequent controlled thermal treatment. FINDINGS The morphological investigation reveals that the hollow tubes built from nanostructures which has unique surface structure on their wall. The mechanism by which the composite fibers transferred to hollow tubes is primarily based on the evaporation rate of the polymeric template. Notably, tuning the heating rate from 5 °C to 50 °C/min possess adverse effect on formation of hollow tubes, thus subsequently produced ZnO nanoplates (ZNP). The comparative photocatalytic analysis emphasized that ZHT shows higher photocatalytic activity than ZNP. This finding has made an evident that the inherent abundant defects in the electrospun derived nanostructures are not only sufficient for improving the photocatalytic activity. Studies on bacterial growth inhibition showcased a superior bactericidal effect against Staphylococcus aureus and Escherichia coli implying its potentiality for disinfecting the bacteria from water.
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Affiliation(s)
- Brabu Balusamy
- Institute of Materials Science & Nanotechnology, UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey.
| | - Anitha Senthamizhan
- Institute of Materials Science & Nanotechnology, UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey.
| | - Asli Celebioglu
- Institute of Materials Science & Nanotechnology, UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey
| | - Tamer Uyar
- Institute of Materials Science & Nanotechnology, UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey; Department of Fiber Science & Apparel Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, USA.
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14
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Han T, Kang H, Ye S, Yuan Y, Zhang Y, Dong L. Ultra-stable fluorescent film sensor based on quantum dots for the real-time detection of Cu 2. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 746:141412. [PMID: 32771765 DOI: 10.1016/j.scitotenv.2020.141412] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 07/30/2020] [Accepted: 07/30/2020] [Indexed: 06/11/2023]
Abstract
Fluorescent films have recently gained attention as chemo-sensors for real-time detection in view of their high sensitivity and rapid response. However, these sensors are usually sensitive to UV irradiation, high temperature, etc., which seriously affects sensing accuracy and limits practical use. Here, an ultra-stable fluorescent film sensor based on CdSe/CdxZn1-xS QDs and polyamide-6 nanofibrous membranes has been developed for the detection of Cu2+. To achieve high fluorescence stability, QDs with high colloidal stability are evenly immobilized on the surface of electrospun nanofibres by a dip-coating method, which can avoid fluorescence quenching caused by aggregation in the electrospinning process. As a result, the film sensor exhibits nearly constant PL intensity under the following conditions: pH values from 5.0 to 13.0, high temperature of 100 °C, 365 nm UV light for 60 min and long preservation time of 90 days. Under optimized conditions, a linear relationship was observed between the fluorescence quenching of the film and the concentration of Cu2+ in the range of 0-100 μM. In addition, the film sensor responds visually with a detection limit of 10 μM and response time of 10 s, which enabled it to be used as test strips in real-time detection and may provide new insights for the detection of other substances.
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Affiliation(s)
- Ting Han
- Center for Smart Materials and Devices, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, PR China
| | - Hong Kang
- Center for Smart Materials and Devices, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, PR China
| | - Sixia Ye
- Center for Smart Materials and Devices, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, PR China
| | - Ye Yuan
- Center for Smart Materials and Devices, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, PR China
| | - Yang Zhang
- Center for Smart Materials and Devices, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, PR China
| | - Lijie Dong
- Center for Smart Materials and Devices, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Luoshi Road 122, Wuhan 430070, PR China.
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15
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Determination of Hg(II) based on the inhibited catalytic growth of surface-enhanced Raman scattering-active gold nanoparticles on a patterned hydrophobic paper substrate. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104983] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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16
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Fluorescent polymer nanofibers based on polycaprolactone and dansyl derivatives for development of latent fingerprints. J Appl Polym Sci 2020. [DOI: 10.1002/app.49804] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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17
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Balusamy B, Celebioglu A, Senthamizhan A, Uyar T. Progress in the design and development of "fast-dissolving" electrospun nanofibers based drug delivery systems - A systematic review. J Control Release 2020; 326:482-509. [PMID: 32721525 DOI: 10.1016/j.jconrel.2020.07.038] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/21/2020] [Accepted: 07/22/2020] [Indexed: 12/13/2022]
Abstract
Electrospinning has emerged as most viable approach for the fabrication of nanofibers with several beneficial features that are essential to various applications ranging from environment to biomedicine. The electrospun nanofiber based drug delivery systems have shown tremendous advancements over the controlled and sustained release complemented from their high surface area, tunable porosity, mechanical endurance, offer compatible environment for drug encapsulation, biocompatibility, high drug loading and tailorable release characteristics. The dosage formulation of poorly water-soluble drugs often faces several challenges including complete dissolution with maximum therapeutic efficiency over a short period of time especially through oral administration. In this context, challenges associated with the dosage formulation of poorly-water soluble drugs can be addressed through combining the beneficial features of electrospun nanofibers. This review describes major developments progressed in the preparation of electrospun nanofibers based "fast dissolving" drug delivery systems by employing variety of polymers, drug molecules and encapsulation approaches with primary focus on oral delivery. Furthermore, the review also highlights current scientific challenges and provide an outlook with regard to future prospectus.
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Affiliation(s)
- Brabu Balusamy
- Department of Fiber Science & Apparel Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, USA.
| | - Asli Celebioglu
- Department of Fiber Science & Apparel Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, USA
| | - Anitha Senthamizhan
- Department of Fiber Science & Apparel Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, USA
| | - Tamer Uyar
- Department of Fiber Science & Apparel Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, USA.
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Balusamy B, Senthamizhan A, Uyar T. Functionalized Electrospun Nanofibers as a Versatile Platform for Colorimetric Detection of Heavy Metal Ions in Water: A Review. MATERIALS (BASEL, SWITZERLAND) 2020; 13:E2421. [PMID: 32466258 PMCID: PMC7288479 DOI: 10.3390/ma13102421] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 05/22/2020] [Accepted: 05/22/2020] [Indexed: 01/09/2023]
Abstract
The increasing heavy metal pollution in the aquatic ecosystem mainly driven by industrial activities has raised severe concerns over human and environmental health that apparently necessitate the design and development of ideal strategies for the effective monitoring of heavy metals. In this regard, colorimetric detection provides excellent opportunities for the easy monitoring of heavy metal ions, and especially, corresponding solid-state sensors enable potential opportunities for their applicability in real-world monitoring. As a result of the significant interest originating from their simplicity, exceptional characteristics, and applicability, the electrospun nanofiber-based colorimetric detection of heavy metal ions has undergone radical developments in the recent decade. This review illustrates the range of various approaches and functional molecules employed in the fabrication of electrospun nanofibers intended for the colorimetric detection of various metal ions in water. We highlight relevant investigations on the fabrication of functionalized electrospun nanofibers encompassing different approaches and functional molecules along with their sensing performance. Furthermore, we discuss upcoming prospectus and future opportunities in the exploration of designing electrospun nanofiber-based colorimetric sensors for real-world applications.
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Affiliation(s)
- Brabu Balusamy
- Department of Fiber Science & Apparel Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, USA
| | - Anitha Senthamizhan
- Department of Fiber Science & Apparel Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, USA
| | - Tamer Uyar
- Department of Fiber Science & Apparel Design, College of Human Ecology, Cornell University, Ithaca, NY 14853, USA
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