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Malla P, Liu CH, Wu WC, Nordin AN, Rath D. Magnetic metal-organic frameworks as sensitive aptasensors for coronavirus spike protein. Anal Chim Acta 2024; 1309:342671. [PMID: 38772664 DOI: 10.1016/j.aca.2024.342671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 04/25/2024] [Accepted: 04/30/2024] [Indexed: 05/23/2024]
Abstract
Electrochemical biosensors, known for their low cost, sensitivity, selectivity, and miniaturization capabilities, are ideal for point-of-care devices. The magnetic metal-organic framework (MMOF), synthesized using the in-situ growth method, consists of ferric salt, magnetic nanoparticles, histidine, and benzene tetracarboxylic acid. MMOF was sequentially modified with aptamer-biotin and streptavidin-horseradish peroxidase, serving as a detector for spike protein and a transducer converting electrochemical signals using H2O2-hydroquinone on a screen-printed electrode. MMOF facilitates easy washing and homogeneous deposition on the working electrode with a magnet, enhancing sensitivity and reducing noise. The physical and electrochemical properties of the modified MMOFs were thoroughly characterized using various analytical techniques. The aptasensors' performance achieved a detection limit of 6 pM for voltammetry and 5.12 pM for impedance spectroscopy in human serum samples. This cost-effective, portable MMOF platform is suitable for rapid point-of-care testing for SARS-CoV-2 spike proteins.
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Affiliation(s)
- Pravanjan Malla
- Department of Chemical and Materials Engineering, Chang Gung University, Tao-Yuan, Taiwan
| | - Chi-Hsien Liu
- Department of Chemical and Materials Engineering, Chang Gung University, Tao-Yuan, Taiwan; Research Center for Chinese Herbal Medicine and Research Center for Food and Cosmetic Safety, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan, Taiwan; Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan.
| | - Wei-Chi Wu
- Department of Ophthalmology, Chang Gung Memorial Hospital, Linkou, Taoyuan, Taiwan; College of Medicine, Chang Gung University, 259, Wen-Hwa First Road, Taoyuan, Taiwan
| | - Anis Nurashikin Nordin
- VLSI-MEMS Research Unit, Department of Electrical and Computer Engineering, Engineering Faculty, International Islamic University Malaysia, Malaysia
| | - Dharitri Rath
- Department of Chemical Engineering, IIT Jammu, India
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2
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Heng H, Gu Q, Jin H, Shen P, Wei J, Er X, Sun J. Fabrication of a ratiometric fluorescence nanoprobe for detecting tryptophan enantiomers. Talanta 2024; 268:125291. [PMID: 37837951 DOI: 10.1016/j.talanta.2023.125291] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/17/2023] [Accepted: 10/06/2023] [Indexed: 10/16/2023]
Abstract
A novel ratiometric fluorescence nanoprobe was developed to detect tryptophan enantiomers with high selectivity and sensitivity. Fluorescein (FL) was doped into SiO2 nanoparticles with little dye leakage, acting as an internal reference signal. The chiral center of L-histidine (L-His) was introduced by partially replacing the carboxyl on the surface of SiO2. The response signal of Eu3+ was coordinated with carboxyl to obtain the FL@SiO2-Eu/His nanoprobe. The nanoprobe shows enantioselective luminescence responses for tryptophan enantiomers. The red emission of Eu3+ can be effectively quenched by the tryptophan enantiomers, but the quenching efficiency is different due to the different interactions with the chiral recognition sites. The fluorescence intensity ratio (I613/I515) shows excellent linearity with tryptophan enantiomers in the range of 0-100 μM (R2 > 0.99). The limit of detection (LOD) is 1.0 μM and 1.3 μM for L-tryptophan (L-Trp) and D-tryptophan (D-Trp), respectively. The FL@SiO2-Eu/His nanoprobe shows good selectivity and specific recognition in serum actual samples. In addition, the nanoprobe can realize visual detection under UV light due to the obvious color change. This work provides an innovative idea for the development of new probes in the detection field.
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Affiliation(s)
- Hui Heng
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing, 102617, China; Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, Beijing, 102617, China
| | - Qingyang Gu
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing, 102617, China; Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, Beijing, 102617, China.
| | - Haibo Jin
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing, 102617, China; Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, Beijing, 102617, China
| | - Ping Shen
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing, 102617, China; Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, Beijing, 102617, China
| | - Jiaxin Wei
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing, 102617, China; Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, Beijing, 102617, China
| | - Xinyu Er
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing, 102617, China; Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, Beijing, 102617, China
| | - Jia Sun
- College of New Materials and Chemical Engineering, Beijing Institute of Petrochemical Technology, Beijing, 102617, China; Beijing Key Laboratory of Fuels Cleaning and Advanced Catalytic Emission Reduction Technology, Beijing, 102617, China
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Karimian M, Dashtian K, Zare-Dorabei R, Norouzi S. Paper-based microfluidic system and chiroptical functionalized gold nano-oval for colorimetric detection of L-Tryptophan. Anal Chim Acta 2024; 1285:342022. [PMID: 38057059 DOI: 10.1016/j.aca.2023.342022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/30/2023] [Accepted: 11/09/2023] [Indexed: 12/08/2023]
Abstract
"The development and deployment of a practical and portable technology for on-site chiral identification of enantiomers hold immense significance in the fields of medical and biological sciences. Among the essential amino acids, Tryptophan (Trp) plays a crucial role in human metabolism and serves as a diagnostic marker for various metabolic disorders. In this study, we introduce an innovative approach that combines an enantio-selective ZIF-8-His MOF-MIPs packed-bed centrifugal microfluidic system with an enantioselective colorimetric sensor probe. This system is further integrated with smartphone-based on-site data recording. The basis of this colorimetric sensor's operation lies in the controlled morphology and surface passivation of gold nano-ovals (Au-NOs) through DL-Alanine. To confirm the successful synthesis of the chiral recognition elements, we employed various characterization techniques, including FE-SEM, TEM, FTIR, CD, UV-Vis, zeta potential, DLS, and XRD. Our focus was on optimizing operational parameters for the effective separation and determination of L-chiral tryptophan on-site. The sensor exhibited two linear ranges for L-Trp detection: 0-5.42 and 5.42-80.47 mM, with a detection limit of 0.5 mM. The integrated system possesses advantages such as ease of availability, preparation, high stability, desirable selectivity even in the presence of similar biomolecules, and rapid detection capabilities. Furthermore, our method demonstrated successful enantioselective sensing of L-Trp in various biological samples, including human blood plasma, urine, milk, and bovine serum albumin (BSA), yielding promising results. The integrated microfluidic platform follows a "sample-in and answer-out" approach, making it highly applicable in healthcare, environmental monitoring, food safety analysis, and point-of-care testing. The chiral recognition pretreatment assay and self-contained, automated colorimetric detection on the microfluidic disc represent a promising avenue for cutting-edge research in these domains".
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Affiliation(s)
- Mahsa Karimian
- Research Laboratory of Spectrometry & Micro and Nano Extraction, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran
| | - Kheibar Dashtian
- Research Laboratory of Spectrometry & Micro and Nano Extraction, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran.
| | - Rouholah Zare-Dorabei
- Research Laboratory of Spectrometry & Micro and Nano Extraction, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran.
| | - Solmaz Norouzi
- Research Laboratory of Spectrometry & Micro and Nano Extraction, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran
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Niu X, Zhao R, Yan S, Li H, Yang J, Cao K, Liu X, Wang K. Chiral MOFs encapsulated by polymers with poly-metallic coordination as chiral biosensors. Mikrochim Acta 2023; 190:230. [PMID: 37208529 DOI: 10.1007/s00604-023-05807-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 04/17/2023] [Indexed: 05/21/2023]
Abstract
Chiral materials have drawn the widespread attention for their its chiral recognition ability. The design and synthesis of chiral material are of importance owing to the unpredictability in controlling chirality during the synthesis process. To circumvent problems, a chiral MOF (D-His-ZIF-8) was synthesized by ligand exchange of 2-methylimidazole (Hmim) on ZIF-8 by D-histidine (D-His), which can be treated as chiral host to distinguish amino acid enantiomers. The obtained D-His-ZIF-8 can provide chiral nanochannels for amino acid guests. Meanwhile, polynary transition-metal ion (Co2+ and Fe3+) coordinating with polydopamine (PDA) wrapped on the surface of D-His-ZIF-8 can increase the active sites. The electrochemical chiral recognition behavior showed that D-His-ZIF-8@CoFe-PDA exhibited good recognition of the tryptophan enantiomer (L/D-Trp) (working potential of -0.2 V vs. Hg/HgCl2). The LOD and LOQ of L-Trp were 0.066 mM and 0.22 mM, respectively, while the LOD and LOQ of D-Trp were 0.15 mM and 0.50 mM, respectively. Finally, the usefulness of D-His-ZIF-8@CoFe-PDA/GCE was evaluated with a recovery of 94.4-103%. The analysis of real samples shows that D-His-ZIF-8@CoFe-PDA/GCE is a feasible sensing platform for the detection of L-Trp and D-Trp.
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Affiliation(s)
- Xiaohui Niu
- College of Petrochemical Technology, Lanzhou University of Technology, 730050, Lanzhou, People's Republic of China.
| | - Rui Zhao
- College of Petrochemical Technology, Lanzhou University of Technology, 730050, Lanzhou, People's Republic of China
| | - Simeng Yan
- College of Petrochemical Technology, Lanzhou University of Technology, 730050, Lanzhou, People's Republic of China
| | - Hongxia Li
- College of Petrochemical Technology, Lanzhou University of Technology, 730050, Lanzhou, People's Republic of China
| | - Jing Yang
- Gansu Guoxin Runda Analysis and Testing Center, 730010, Lanzhou, People's Republic of China
| | - Kunjie Cao
- College of Petrochemical Technology, Lanzhou University of Technology, 730050, Lanzhou, People's Republic of China
| | - Xiaoyu Liu
- College of Petrochemical Technology, Lanzhou University of Technology, 730050, Lanzhou, People's Republic of China
| | - Kunjie Wang
- College of Petrochemical Technology, Lanzhou University of Technology, 730050, Lanzhou, People's Republic of China.
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Huang Y, Wang YY, An R, Gao EQ, Yue Q. Highly Efficient versus Null Electrochemical Enantioselective Recognition Controlled by Achiral Colinkers in Homochiral Metal-Organic Frameworks. ACS Sens 2023; 8:774-783. [PMID: 36734613 DOI: 10.1021/acssensors.2c02320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Chiral materials capable of electrochemical enantiomeric recognition are highly desirable for many applications, but it is still very challenging to achieve high recognition efficiency for lack of the knowledge of structure-property relationships. Here, we report the completely distinct enantiomeric recognition related to slightly different achiral colinkers in isomorphic homochiral metal-organic frameworks with the same chiral linker. Cu-TBPBe, for which the achiral colinker has two pyridyl rings connected by ─CH═CH─, shows excellent enantioselectivity and sensitivity for electrochemical recognition of l-tryptophan (Trp) with a detection limit of 3.16 nM. The l-to-d ratio of differential pulse voltammetric (DPV) currents reaches 53, which is much higher than the values (2-14) reported for previous electrochemical sensors. By contrast, Cu-TBPBa, in which the achiral colinker has -CH2-CH2- between pyridyl rings, is incapable of discrimination between l-Trp and d-Trp. Structural and spectral analyses suggest that the achiral conjugated colinker and the chiral moieties around it cooperate to produce a chiral pocket in favor of enantioselective adsorption through multiple hydrogen-bonding and π-π stacking interactions. The work demonstrated that Cu-TBPBe can be used to fabricate reliable electrochemical sensors for ultrasensitive quantification of Trp enantiomers in racemic mixtures and in complex biological systems such as urine. The work also highlights that an achiral coligand can be of vital importance in determining enantiomeric discrimination, opening up a new avenue for the design of chiral sensing materials.
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Affiliation(s)
- Yan Huang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Yuan-Yuan Wang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Ran An
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - En-Qing Gao
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Qi Yue
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
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Baghal Behyar M, Hasanzadeh M, Seidi F, Shadjou N. Sensing of Amino Acids: Critical role of nanomaterials for the efficient biomedical analysis. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Li S, Zhou Y, Yan B. Zirconium Metal Organic Framework-Based Hybrid Sensors with Chiral and Luminescent Centers Fabricated by Postsynthetic Modification for the Detection and Recognition of Tryptophan Enantiomers. Inorg Chem 2022; 61:9615-9622. [PMID: 35687818 DOI: 10.1021/acs.inorgchem.2c00991] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
By immobilizing the chiral center l-histidine (l-His) into a Zr-based metal-organic framework (MOF) through post-synthetic ligand exchange, a chiral compound MOF-His has been prepared. On this basis, MOF-His is hybridized with Eu3+ ions to obtain the final responsive compound Eu@MOF-His. It is worth noting that the bifunctional material exhibits enantioselective luminescence properties for tryptophan enantiomers. The experimental results demonstrate that tryptophan enantiomers can effectively quench the red-light emission of Eu3+ ions, and also, the quenching rates are various, which may originate from the differences in the interaction between analytes and chiral recognition sites. In addition, Eu@MOF-His can realize the sensing of tryptophan enantiomers in serum. Concurrently, the compound possesses reusability, high sensitivity, and fast response speed, which means that it has the potential to serve as an excellent fluorescent sensor for detecting and identifying tryptophan enantiomers.
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Affiliation(s)
- Shengnan Li
- School of Chem. Sci. and Engineering, Tongji University, Siping Road 1239, Shanghai 200092, China
| | - Yiping Zhou
- School of Chem. Sci. and Engineering, Tongji University, Siping Road 1239, Shanghai 200092, China
| | - Bing Yan
- School of Chem. Sci. and Engineering, Tongji University, Siping Road 1239, Shanghai 200092, China.,School of Materials Science and Engineering, Liaocheng University, Liaocheng 252000, China
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Niu X, Yan S, Chen J, Li H, Wang K. Enantioselective recognition of L/D-amino acids in the chiral nanochannels of a metal-organic framework. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139809] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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