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Deng Z, Xiao Q, Fu H, Zheng S, Alvarez PJJ, Zhu D, Xu Z, Qu X. A nanozyme-like colorimetric sensing strategy based on persulfate activation on Co-based metal-organic frameworks. Chem Commun (Camb) 2023; 59:3277-3280. [PMID: 36825545 DOI: 10.1039/d3cc00249g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023]
Abstract
A nanozyme-like colorimetric sensing strategy based on persulfate activation on Co-based metal-organic frameworks is developed for biomolecule detection in solution and on paper strips. By switching from H2O2 activation on nanozymes to catalytic persulfate activation, this general strategy provides higher sensitivity, faster speed, and wider application ranges for detection.
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Affiliation(s)
- Zehui Deng
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China.
| | - Qingling Xiao
- Jiangsu Province Hospital on Integration of Chinese and West Medicine, Nanjing 210028, China
| | - Heyun Fu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China.
| | - Shourong Zheng
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China.
| | - Pedro J J Alvarez
- Department of Civil and Environmental Engineering, Rice University, Houston, TX 77005, USA
| | - Dongqiang Zhu
- College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Zhaoyi Xu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China.
| | - Xiaolei Qu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China.
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Zhong W, Hooley RJ. Combining Excellent Selectivity with Broad Target Scope: Biosensing with Arrayed Deep Cavitand Hosts. Acc Chem Res 2022; 55:1035-1046. [PMID: 35302733 DOI: 10.1021/acs.accounts.2c00026] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Simple macrocyclic water-soluble hosts such as cucurbiturils, cyclophanes, and calixarenes have long been used for biosensing via indicator displacement assays. Using multiple hosts and dyes in an arrayed format allows pattern recognition-based "chemical nose" sensing, which confers exquisite selectivity, even rivaling the abilities of biological recognition tools such as antibodies. However, a challenge in indicator displacement-based biosensing with macrocyclic hosts is that selectivity and scope are often inversely correlated: strong selectivity for a specific target can limit wide application, and broad scope sensing can suffer from a lack of selectivity between similar targets. This problem can be addressed by using water-soluble, self-folding deep cavitands as hosts. These flexible bowl-shaped receptors can be easily functionalized with different motifs at the upper and lower rim, and the large cavities can bind many different fluorescent dyes, causing either fluorescence enhancement or quenching upon binding.Cavity-based affinity is strongest for NMe3+ groups such as trimethyl-lysine, and we have exploited this for the site-selective recognition of post-translational lysine methylations in oligopeptides. The host recognizes the NMe3+ group, and by applying differently functionalized hosts in an arrayed format, discrimination between identical modifications at different positions on the oligopeptide is possible. Multiple recognition elements can be exploited for selectivity, including a defined, yet "breathable" cavity, and variable upper rim functions oriented toward the target.While the performance of the host/guest sensing system is impressive for lysine methylations, the most important advance is the use of multiple different sensing mechanisms that can target a broad range of different biorelevant species. The amphiphilic deep cavitands can both bind fluorescent dyes and interact with charged biomolecules. These non-cavity-based interactions, when paired with additives such as heavy metal ions, modulate fluorescence response in an indirect manner, and these different mechanisms allow selective recognition of serine phosphorylation, lysine acetylation, and arginine citrullination. Other targets include heavy metals, drugs of abuse, and protein isoforms. Furthermore, the hosts can be applied in supramolecular tandem assays of enzyme function: the broad scope allows analysis of such different enzymes as chromatin writers/erasers, kinases, and phosphatases, all from a single host scaffold. Finally, the indirect sensing concept allows application in sensing different oligonucleotide secondary structures, including G-quadruplexes, hairpins, triplexes, and i-motifs. Discrimination between DNA strands with highly similar structures such as G-quadruplex strands with bulges and vacancies can be achieved. Instead of relying on a single highly specific fluorescent probe, the synthetic hosts tune the fluorophore-DNA interaction, introducing multiple recognition equilibria that modulate the fluorescence signal. By applying machine learning algorithms, a classification model can be established that can accurately predict the folding state of unknown sequences. Overall, the unique recognition profile of self-folded deep cavitands provides a powerful, yet simple sensing platform, one that can be easily tuned for a wide scope of biorelevant targets, in complex biological media, without sacrificing selectivity in the recognition.
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Yue D, Zhu J, Chen D, Li W, Wang Z. Turn‐on luminescent sensing of glutathione and cysteine based on post‐modified Bio‐MOF‐1. Z Anorg Allg Chem 2022. [DOI: 10.1002/zaac.202100352] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Dan Yue
- College of Material Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials Henan University of Engineering Zhengzhou 451191 P. R. China
| | - Jiayan Zhu
- State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, School of Materials Science and Engineering Zhejiang University Hangzhou 310027 P. R. China
| | - Dong Chen
- College of Material Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials Henan University of Engineering Zhengzhou 451191 P. R. China
| | - Weidong Li
- College of Material Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials Henan University of Engineering Zhengzhou 451191 P. R. China
| | - Zhenling Wang
- College of Material Engineering, Henan International Joint Laboratory of Rare Earth Composite Materials Henan University of Engineering Zhengzhou 451191 P. R. China
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Behera P, Singh KK, Pandit S, Saha D, Saini DK, De M. Machine Learning-Assisted Array-Based Detection of Proteins in Serum Using Functionalized MoS 2 Nanosheets and Green Fluorescent Protein Conjugates. ACS APPLIED NANO MATERIALS 2021; 4:3843-3851. [PMID: 37556232 PMCID: PMC8043198 DOI: 10.1021/acsanm.1c00244] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Accepted: 03/19/2021] [Indexed: 05/08/2023]
Abstract
Abnormal concentrations of a specific protein or the presence of some biomarker proteins may indicate life-threatening diseases. Pattern-based detection of specific analytes using affinity-regulated receptors is one of the potential alternatives to specific antigen-antibody-based detection. In this report, we have schemed a sensor array by using various functionalized two-dimensional (2D)-MoS2 nanosheets and green fluorescent protein (GFP) as the receptor and the signal transducer, respectively. Two-dimensional MoS2 has been used as a promising candidate for recognition of the bioanalytes because of its high surface-to-volume ratio compared to those of other nanomaterials. Easy surface tunability of this material provides additional advantages to analyze the target of interest. The optimized 2D-MoS2-GFP conjugates are able to discriminate 15 different proteins at 50 nM concentration with a detection limit of 1 nM. Moreover, proteins in the binary mixture and in the presence of serum were discriminated successfully. Ten different proteins in serum media at relevant concentrations were classified successfully with 100% jackknifed classification accuracy, which proves the potentiality of the above system. We have also implemented and discussed the implication of using different machine learning models on the pattern recognition problem associated with array-based sensing.
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Affiliation(s)
- Pradipta Behera
- Department of Organic Chemistry, Indian
Institute of Science, Bangalore 560012, India
| | - Krishna Kumar Singh
- Vascular Biology Center, Augusta
University, Augusta, Georgia 30912, United States
- Molecular Reproduction, Development and Genetics,
Indian Institute of Science, Bangalore 560012,
India
| | - Subhendu Pandit
- Department of Chemistry, University of
Illinois at Urbana-Champaign, Urbana, Illinois 61801, United
States
| | - Diptarka Saha
- Department of Statistics, University of
Illinois at Urbana-Champaign, Urbana, Illinois 61801, United
States
| | - Deepak Kumar Saini
- Molecular Reproduction, Development and Genetics,
Indian Institute of Science, Bangalore 560012,
India
| | - Mrinmoy De
- Department of Organic Chemistry, Indian
Institute of Science, Bangalore 560012, India
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Yan XJ, Wang ZG, Wang Y, Huang YY, Liu HB, Xie CZ, Li QZ, Xu JY. A dual-functional fluorescent probe for sequential determination of Cu 2+/S 2- and its applications in biological systems. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 243:118797. [PMID: 32799193 DOI: 10.1016/j.saa.2020.118797] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/19/2020] [Accepted: 07/21/2020] [Indexed: 06/11/2023]
Abstract
A new acylhydrazine-derived Schiff base fluorescence probe DMI based on "ON-OFF-ON" fluorescence strategy was presented in this paper. Probe DMI could detect Cu2+ selectively and sensitively with dramatic fluorescence quenching in CH3OH-PBS (v/v = 3:7) mixed solution. Once the complex DMI-Cu2+ interacted with S2-, 10.67-folds fluorescence increase was induced via a displacement mechanism under the same experimental conditions. The corresponding detection limits for Cu2+ and S2- were calculated to be 1.52 × 10-8 M and 1.79 × 10-8 M, respectively. The structures of DMI and DMI-Cu2+ were systematically characterized by Job's plot analysis, ESI-MS, IR, X-ray diffraction and density functional theory calculations. Furthermore, fluorescence imaging in MCF-7 cells and zebrafish demonstrated the probe DMI could act as a useful tool to monitor and track intracellular Cu2+ and S2-, which was encouraged by remarkable fluorescence performance and low cytotoxicity. Importantly, the complex DMI-Cu2+ could be applied to detect corrupt blood samples, which could estimate the time of death.
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Affiliation(s)
- Xiao-Jing Yan
- Department of Chemical Biology and Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, PR China
| | - Zhi-Gang Wang
- Department of Chemical Biology and Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, PR China
| | - Yang Wang
- Department of Chemical Biology and Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, PR China
| | - Yu-Ying Huang
- Department of Chemical Biology and Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, PR China
| | - Hai-Bo Liu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, PR China.
| | - Cheng-Zhi Xie
- Department of Chemical Biology and Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, PR China; Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, PR China.
| | - Qing-Zhong Li
- The Laboratory of Theoretical and Computational Chemistry, School of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, PR China
| | - Jing-Yuan Xu
- Department of Chemical Biology and Tianjin Key Laboratory on Technologies Enabling Development of Clinical Therapeutics and Diagnostics, School of Pharmacy, Tianjin Medical University, Tianjin 300070, PR China.
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Water dispersible supramolecular assemblies built from luminescent hexarhenium clusters and silver(I) complex with pyridine-2-ylphospholane for sensorics. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112853] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Zhao C, Kong X, Shuang S, Wang Y, Dong C. An anthraquinone-imidazole-based colorimetric and fluorescent sensor for the sequential detection of Ag+ and biothiols in living cells. Analyst 2020; 145:3029-3037. [DOI: 10.1039/d0an00164c] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
An anthraquinone-imidazole-based highly selective colorimetric and fluorescent sensor for the sequential detection of Ag+ and biothiols in living cells is reported.
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Affiliation(s)
- Chen Zhao
- College of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Xiangyu Kong
- College of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Shaomin Shuang
- College of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Yu Wang
- College of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan 030006
- P. R. China
| | - Chuan Dong
- Institute of Environmental Science
- Shanxi University
- Taiyuan 030006
- P. R. China
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Zhang W, Li Y, Liang Y, Yin X, Liu C, Wang S, Tian L, Dong H, Li G. Direct Determination of Redox Statuses in Biological Thiols and Disulfides with Noncovalent Interactions of Poly(ionic liquid)s. ACS APPLIED MATERIALS & INTERFACES 2019; 11:30137-30145. [PMID: 31353883 DOI: 10.1021/acsami.9b09413] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The three most important redox couples, including cysteine (Cys)/cystine (Cyss), homocysteine (Hcys)/homocystine (Hcyss), and reduced glutathione (GSH)/glutathione disulfide (GSSG), are closely associated with human aging and many diseases. Thus, it is highly important to determine their redox statuses at the following two levels: (i) the redox identity in different thiols/disulfides and (ii) the redox ratio in a mixture of a specific couple. Herein, by using one single AIE-doped (AIE, aggregation-induced emission) photonic-structured poly(ionic liquid) (PIL) sphere as a virtual sensor array, we realize a direct determination of the redox status without a reducing pretreatment of disulfides, which will greatly promote the development of high-throughput and simple procedures. The pattern-recognition method uses the multiple noncovalent interactions of imidazolium-based PILs with these redox species to produce differential responses in both the photonic crystal and fluorescence dual channels. On the one hand, a single sphere enables the direct and simultaneous discrimination of the redox identities of Cys, Cyss, Hcys, Hcyss, GSH, and GSSG under the interference of other five commonly occurring thiols. On the other hand, this sphere also allows for not only a direct quantification of the GSH/GSSG ratios without previously determining the individual concentrations of GSH and GSSG but also the accurate prediction of the ratios in unknown redox samples. To further demonstrate applications of this method, redox mixtures in a biological sample are differentiated. Additionally, quantum calculations further support our assignments for interactions between the imidazolium-based PILs and these redox species.
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Affiliation(s)
- Wanlin Zhang
- Department of Chemistry, Key Lab of Organic Optoelectronics and Molecular Engineering, the Ministry of Education , Tsinghua University , Beijing 100084 , P. R. China
- Aerospace Research Institute of Special Material and Processing Technology , Beijing 100074 , P. R. China
| | - Yao Li
- Institute of Process Engineering , Chinese Academy of Sciences , Beijing 100190 , P. R. China
| | - Yun Liang
- Department of Chemistry, Key Lab of Organic Optoelectronics and Molecular Engineering, the Ministry of Education , Tsinghua University , Beijing 100084 , P. R. China
| | - Xianpeng Yin
- Aerospace Research Institute of Special Material and Processing Technology , Beijing 100074 , P. R. China
| | - Chengcheng Liu
- Department of Chemistry, Key Lab of Organic Optoelectronics and Molecular Engineering, the Ministry of Education , Tsinghua University , Beijing 100084 , P. R. China
| | - Shiqiang Wang
- Department of Chemistry, Key Lab of Organic Optoelectronics and Molecular Engineering, the Ministry of Education , Tsinghua University , Beijing 100084 , P. R. China
| | - Li Tian
- Department of Chemistry, Key Lab of Organic Optoelectronics and Molecular Engineering, the Ministry of Education , Tsinghua University , Beijing 100084 , P. R. China
| | - Hao Dong
- Department of Chemistry, Key Lab of Organic Optoelectronics and Molecular Engineering, the Ministry of Education , Tsinghua University , Beijing 100084 , P. R. China
| | - Guangtao Li
- Department of Chemistry, Key Lab of Organic Optoelectronics and Molecular Engineering, the Ministry of Education , Tsinghua University , Beijing 100084 , P. R. China
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