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Sui JH, Xu ZR. Profuse color-evolution based aptasensor for mucin 1 detection utilizing urease-mediated color mixing of the mixed pH indicator. Talanta 2024; 275:126191. [PMID: 38705020 DOI: 10.1016/j.talanta.2024.126191] [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: 01/29/2024] [Revised: 04/02/2024] [Accepted: 04/29/2024] [Indexed: 05/07/2024]
Abstract
Mucin 1 is a significant tumor marker, and developing portable and cost-effective methods for its detection is crucial, especially in resource-limited areas. Herein, we developed an innovative approach for mucin 1 detection using a visible multicolor aptasensor. Urease-encapsulated DNA microspheres were used to mediate multicolor change facilitated by the color mixing of the mixed pH indicator, a mixed methyl red and bromocresol green solution. Distinct color changes were exhibited in response to varying mucin 1 concentrations. Notably, the color mixing of the mixed pH indicator was used to display various hues of colors, broadening the range of color variation. And color tonality is much easier to differentiate than color intensity, improving the resolution with naked-eyes. Besides, the variation of color from red to green (a pair of complementary colors) enhanced the color contrast, heightening sensitivity for visual detection. Importantly, the proposed method was successfully applied to detect mucin 1 in real samples, demonstrating a clear differentiation of colors between the samples of healthy individuals and breast cancer patients. The use of a mixed pH indicator as a multichromatic substrate offers the merits of low cost, fast response to pH variation, and plentiful color-evolution. And the incorporation of calcium carbonate microspheres to encapsulate urease ensures stable urease activity and avoids the need for extra urease decoration. The color-mixing dependent strategy opens a new way for multicolor detection of MUC1, characterized by vivid color changes.
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Affiliation(s)
- Jin-Hong Sui
- Research Center for Analytical Sciences, Northeastern University, Shenyang, 110819, PR China
| | - Zhang-Run Xu
- Research Center for Analytical Sciences, Northeastern University, Shenyang, 110819, PR China.
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Marvi PK, Ahmed SR, Das P, Ghosh R, Srinivasan S, Rajabzadeh AR. Prunella vulgaris-phytosynthesized platinum nanoparticles: Insights into nanozymatic activity for H 2O 2 and glutamate detection and antioxidant capacity. Talanta 2024; 274:125998. [PMID: 38574541 DOI: 10.1016/j.talanta.2024.125998] [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: 11/14/2023] [Revised: 03/20/2024] [Accepted: 03/25/2024] [Indexed: 04/06/2024]
Abstract
Artificial nanozymes (enzyme-mimics), specifically metallic nanomaterials, have garnered significant attention recently due to their reduced preparation cost and enhanced stability in a wide range of environments. The present investigation highlights, for the first time, a straightforward green synthesis of biogenic platinum nanoparticles (PtNPs) from a natural resource, namely Prunella vulgaris (Pr). To demonstrate the effectiveness of the phytochemical extract as an effective reducing agent, the PtNPs were characterized by various techniques such as UV-vis spectroscopy, High-resolution Transmission electron microscopy (HR-TEM), zeta-potential analysis, Fourier-transform infrared spectroscopy (FTIR), and Energy dispersive spectroscopy (EDS). The formation of PtNPs with narrow size distribution was verified. Surface decoration of PtNPs was demonstrated with multitudinous functional groups springing from the herbal extract. To demonstrate their use as viable nanozymes, the peroxidase-like activity of Pr/PtNPs was evaluated through a colorimetric assay. Highly sensitive visual detection of H2O2 with discrete linear ranges and a low detection limit of 3.43 μM was demonstrated. Additionally, peroxidase-like catalytic activity was leveraged to develop a colorimetric platform to quantify glutamate biomarker levels with a high degree of selectivity, the limit of detection (LOD) being 7.00 μM. The 2,2-Diphenyl-1-picrylhydrazyl (DPPH) test was used to explore the scavenging nature of the PtNPs via the degradation of DPPH. Overall, the colorimetric assay developed using the Pr/PtNP nanozymes in this work could be used in a broad spectrum of applications, ranging from biomedicine and food science to environmental monitoring.
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Affiliation(s)
- Parham Khoshbakht Marvi
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L7, Canada
| | - Syed Rahin Ahmed
- School of Engineering Practice and Technology, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L7, Canada
| | - Poushali Das
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L7, Canada
| | - Raja Ghosh
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L7, Canada; Department of Chemical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L7, Canada
| | - Seshasai Srinivasan
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L7, Canada; School of Engineering Practice and Technology, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L7, Canada.
| | - Amin Reza Rajabzadeh
- School of Biomedical Engineering, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L7, Canada; School of Engineering Practice and Technology, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4L7, Canada.
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Wang M, Liu H, Fan K. Signal Amplification Strategy Design in Nanozyme-Based Biosensors for Highly Sensitive Detection of Trace Biomarkers. SMALL METHODS 2023; 7:e2301049. [PMID: 37817364 DOI: 10.1002/smtd.202301049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 09/12/2023] [Indexed: 10/12/2023]
Abstract
Nanozymes show great promise in enhancing disease biomarker sensing by leveraging their physicochemical properties and enzymatic activities. These qualities facilitate signal amplification and matrix effects reduction, thus boosting biomarker sensing performance. In this review, recent studies from the last five years, concentrating on disease biomarker detection improvement through nanozyme-based biosensing are examined. This enhancement primarily involves the modulations of the size, morphology, doping, modification, electromagnetic mechanisms, electron conduction efficiency, and surface plasmon resonance effects of nanozymes for increased sensitivity. In addition, a comprehensive description of the synthesis and tuning strategies employed for nanozymes has been provided. This includes a detailed elucidation of their catalytic mechanisms in alignment with the fundamental principles of enhanced sensing technology, accompanied by the presentation of quantitatively analyzed results. Moreover, the diverse applications of nanozymes in strip sensing, colorimetric sensing, electrochemical sensing, and surface-enhanced Raman scattering have been outlined. Additionally, the limitations, challenges, and corresponding recommendations concerning the application of nanozymes in biosensing have been summarized. Furthermore, insights have been offered into the future development and outlook of nanozymes for biosensing. This review aims to serve not only as a reference for enhancing the sensitivity of nanozyme-based biosensors but also as a catalyst for exploring nanozyme properties and their broader applications in biosensing.
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Affiliation(s)
- Mengting Wang
- Guangdong Provincial Key Laboratory of Urology, Guangdong Engineering Research Center of Urinary Minimally Invasive Surgery Robot and Intelligent Equipment, Guangzhou Institute of Urology, Department of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510230, China
| | - Hongxing Liu
- Guangdong Provincial Key Laboratory of Urology, Guangdong Engineering Research Center of Urinary Minimally Invasive Surgery Robot and Intelligent Equipment, Guangzhou Institute of Urology, Department of Urology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510230, China
| | - Kelong Fan
- CAS Engineering Laboratory for Nanozyme, Key Laboratory of Biomacromolecules, Institute of Biophysics, Chinese Academy of Sciences, Beijing, 100101, China
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Chi Z, Wang Q, Gu J. Recent advances in colorimetric sensors based on nanozymes with peroxidase-like activity. Analyst 2023; 148:487-506. [PMID: 36484756 DOI: 10.1039/d2an01850k] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Nanozymes have been widely used to construct colorimetric sensors due to their advantages of cost-effectiveness, high stability, good biocompatibility, and ease of modification. The emergence of nanozymes greatly enhanced the detection sensitivity and stability of the colorimetric sensing platform. Recent significant research has focused on designing various sensors based on nanozymes with peroxidase-like activity for colorimetric analysis. However, with the deepening of research, nanozymes with peroxidase-like activity has also exposed some problems, such as weak affinity and low catalytic activity. In view of the above issues, existing investigations have shown that the catalytic properties of nanozymes can be improved by adding surface modification and changing the structure of nanomaterials. In this review, we summarize the recent trends and advances of colorimetric sensors based on several typical nanozymes with peroxidase-like activities, including noble metals, metal oxides, metal sulfides/metal selenides, and carbon and metal-organic frameworks (MOF). Finally, the current challenges and prospects of colorimetric sensors based on nanozymes with peroxidase-like activity are summarized and discussed to provide a reference for researchers in related fields.
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Affiliation(s)
- Zhongmei Chi
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, Liaoning Province, 121013, P. R. China.
| | - Qiong Wang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, Liaoning Province, 121013, P. R. China.
| | - Jiali Gu
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, Liaoning Province, 121013, P. R. China.
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Enzyme-free colorimetric detection of biothiols based on the photoinduced oxidation of 3,3',5,5'-tetramethylbenzidine. Anal Bioanal Chem 2022; 414:7731-7740. [PMID: 36040483 DOI: 10.1007/s00216-022-04304-z] [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: 07/23/2022] [Revised: 08/17/2022] [Accepted: 08/24/2022] [Indexed: 11/01/2022]
Abstract
Realizing the rapid and on-site detection of biothiols in complex biological and food samples using simple assays and devices remains a major challenge. In this study, biothiols containing sulfhydryl groups were found to be able to inhibit the photo-triggered oxidation of 3,3',5,5'-tetramethylbenzidine (TMB). Based on the discovery, using the commercially available and low-cost TMB as the chromogenic substrate, an enzyme-free colorimetric approach was developed for the rapid determination of biothiols. The method does not involve the introduction of any natural enzymes, nanoenzymes, and external oxidants. The mechanisms of the photoinduced oxidation of TMB and the detection of biothiols were proposed. Furthermore, a smartphone-based portable device integrated with test strips was constructed by the 3D printing technique. This device can simultaneously meet the requirements of the photocatalytic oxidation reaction of TMB and the detection of biothiols. The entire process only takes less than 5 min. The successful detection of cysteine in urine and milk samples demonstrates the great potential of the device in the on-site assays.
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Tan B, Zhang S, Wang K, Yan Y, Chu Z, Wang Q, Li X, Zhu G, Fan J, Zhao H. Moisture-resistant and green cyclodextrin metal-organic framework nanozyme based on cross-linkage for visible detection of cellular hydrogen peroxide. Mikrochim Acta 2022; 189:295. [PMID: 35882703 DOI: 10.1007/s00604-022-05389-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/19/2022] [Indexed: 11/28/2022]
Abstract
A moisture-resistant and green cyclodextrin metal-organic framework (CD-MOF) nanosheet has been prepared via an one-pot antisolvent synthesis procedure. After the treatment of in situ chemical cross-linkage, the two-dimensional (2D) cross-linked CD-MOF exhibited both peroxidase (POD) and oxidase (OXD) enzymatic activities, as well as hydrolytic stability. On the basis of its POD mimics function, the proof-of-concept biosensors were constructed to realize the colorimetric detection for H2O2 and glucose, respectively. In vitro cytotoxicity experiments showed that the 2D cross-linked CD-MOF nanozymes still maintained excellent biocompatibility even at a concentration reaching up to several mg/mL. The in situ colorimetric detection of H2O2 secreted by HepG2 cells further confirmed its promising biocompatibility, showing its great promises as label-free colorimetric probe in early cancer detection and pathological process monitoring.
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Affiliation(s)
- Bing Tan
- Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, International Joint Laboratory On Key Techniques in Water Treatment, Henan Province, School of Environment, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China.
| | - Shasha Zhang
- Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, International Joint Laboratory On Key Techniques in Water Treatment, Henan Province, School of Environment, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China
| | - Kemeng Wang
- Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, International Joint Laboratory On Key Techniques in Water Treatment, Henan Province, School of Environment, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China
| | - Yingli Yan
- Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, International Joint Laboratory On Key Techniques in Water Treatment, Henan Province, School of Environment, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China
| | - Zhili Chu
- School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, Henan, 453007, People's Republic of China
| | - Qiwen Wang
- College of Life Sciences, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China
| | - Xiang Li
- Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, International Joint Laboratory On Key Techniques in Water Treatment, Henan Province, School of Environment, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China
| | - Guifen Zhu
- Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, International Joint Laboratory On Key Techniques in Water Treatment, Henan Province, School of Environment, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China
| | - Jing Fan
- Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Key Laboratory for Environmental Pollution Control, Henan Engineering Laboratory of Environmental Functional Materials and Pollution Control, International Joint Laboratory On Key Techniques in Water Treatment, Henan Province, School of Environment, Henan Normal University, Xinxiang, Henan, 453007, People's Republic of China
| | - Huimin Zhao
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Linggong Road 2, Dalian, 116024, People's Republic of China.
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