1
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Zhang J, Zhang J, Huang C, Wu T, Jin P. Integrated biomarker profiling for enhanced heart failure management: a comprehensive study on the application of chemiluminescence detection of GDF-15 and multi-index models. Lab Med 2024:lmae045. [PMID: 38916138 DOI: 10.1093/labmed/lmae045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/26/2024] Open
Abstract
BACKGROUND Growth differentiation factor 15 (GDF-15) holds promise as a novel marker for heart failure. However, current detection methods fall short of meeting essential clinical requirements. OBJECTIVES The aim of this investigation was to assess the clinical significance of serum GDF-15 detection through the chemiluminescence method and to enhance its clinical application for predicting and evaluating heart failure in patients. METHODS A total of 122 patients were included in the study. Serum GDF-15 levels were assessed using the chemiluminescence method and compared with results for NT-proBNP, N-terminal pro-brain natriuretic peptide (NT-proBNP), growth stimulation expressed gene 2 (ST2), high-sensitivity C-reactive protein (hs-CRP), and left ventricular ejection fraction (LVEF). Additionally, we conducted an analysis to evaluate the correlation between these indicators and heart failure events. RESULTS LVEF, ST2, NT-proBNP, and GDF-15 exhibited significant associations with heart failure. In the multivariate proportional hazard analysis, subsequent to adjusting for the effects of other markers, however, only LVEF and GDF-15 retained their associations with heart failure events. Notably, GDF-15 emerged as the exclusive marker suitable for diagnosing heart failure with preserved ejection fraction. CONCLUSION The chemiluminescence method proved efficient in the rapid and sensitive detection of GDF-15 in patients with heart failure. Additionally, GDF-15 combined with other markers created a robust multi-index model. This model is valuable for heart failure diagnosis, treatment, and monitoring, with broad clinical applicability.
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Affiliation(s)
- Ju Zhang
- Department of Laboratory Medicine, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Core Unit of National Clinical Research Center for Laboratory Medicine, Hefei, China
- Department of Clinical Laboratory Diagnostics, Bengbu Medical College, Bengbu, China
| | - Jiajia Zhang
- Department of Clinical Laboratory Diagnostics, Bengbu Medical College, Bengbu, China
| | | | - Ting Wu
- Maccura Biotechnology, Chengdu, China
| | - Peipei Jin
- Department of Laboratory Medicine, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
- Core Unit of National Clinical Research Center for Laboratory Medicine, Hefei, China
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2
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Ren X, Tian Z, Gao X, Ai Y, Li M, Zhang B, Zou G. Finely-Tuning Chemiluminescent Color of CdTe Nanocrystals and Its Application for Near-Infrared Semi-Automatic Immunoassay. Anal Chem 2024; 96:7643-7650. [PMID: 38708712 DOI: 10.1021/acs.analchem.4c00549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
Chemiluminescence (CL), especially commercialized CL immunoassay (CLIA), is normally performed within the eye-visible region of the spectrum by exploiting the electronic-transition-related emission of the molecule luminophore. Herein, dual-stabilizers-capped CdTe nanocrystals (NCs) is employed as a model of nanoparticulated luminophore to finely tune the CL color with superior color purity. Initialized by oxidizing the CdTe NCs with potassium periodate (KIO4), intermediates of the reactive oxygen species (ROS) tend to charge CdTe NCs in both series-connection and parallel-connection routes and dominate the charge-transfer CL of CdTe NCs. The CdTe NCs/KIO4 system can exhibit color-tunable CL with the maximum emission wavelength shifted from 694 nm to 801 nm, and the red-shift span is over 100 nm. Both PL and CL of each of the CdTe NCs are bandgap-engineered; the change in the NCs surface state via CL reaction enables CL of each of the CdTe NCs to be red-shifted for ∼20 nm to PL, while the change in the NCs surface state via labeling CdTe NCs to secondary-antibody (Ab2) enables CL of the CdTe NCs-Ab2 conjugates to be red-shifted for another ∼20 nm to bare CdTe NCs. The CL of CdTe753-Ab2/KIO4 is ∼791 nm, which can perform near-infrared CL immunoassay and semi-automatically determined procalcitonin (PCT) on commercialized in vitro diagnosis (IVD) instruments.
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Affiliation(s)
- Xiaoxuan Ren
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Zhijian Tian
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Xuwen Gao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Yaojia Ai
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Mengwei Li
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Bin Zhang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Guizheng Zou
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
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3
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Tannous R, Shelef O, Kopp T, Fridman M, Shabat D. Hyper-Responsive Chemiluminescent Probe Reveals Distinct PYRase Activity in Pseudomonas aeruginosa. Bioconjug Chem 2024; 35:472-479. [PMID: 38518220 PMCID: PMC11036351 DOI: 10.1021/acs.bioconjchem.4c00015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 02/26/2024] [Accepted: 03/18/2024] [Indexed: 03/24/2024]
Abstract
Pyrrolidone carboxyl peptidase, commonly known as PYRase, is an exopeptidase that catalytically cleaves an N-terminal pyroglutamic acid from peptides or proteins. The diverse functions of PYRases in bacterial enzymology have prompted the development of various bacterial diagnostic techniques. However, the specific physiological role and activity of this enzyme across the bacterial kingdom remain unclear. Here, we present a functional phenoxy-1,2-dioxetane chemiluminescent probe (PyrCL) that can selectively detect PYRase activity in both Gram-positive and Gram-negative bacteria. The probe activation mechanism is based on the cleavage of a pyroglutamyl substrate, followed by a release of the phenoxy-dioxetane luminophore, which then undergoes efficient chemiexcitation to emit a green photon. Probe PyrCL exhibits an effective turn-on response with superior detection capability in terms of response time and sensitivity compared to existing fluorescence probes. The superior detection sensitivity of the chemiluminescent probe enables us to reveal previously undetected PYRase activity in Streptococcus mutans. Furthermore, it enables the discrimination of Pseudomonas aeruginosa from other Gram-negative bacteria in the tested panel, based on their distinct PYRase activity. We expect that probe PyrCL will have great value for PYRase-based bacteria diagnosis with use in basic research and clinical applications.
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Affiliation(s)
- Rozan Tannous
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Omri Shelef
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Tal Kopp
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Micha Fridman
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Doron Shabat
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
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4
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Hellingman A, Sifoniou K, Buser T, Thommen BT, Walz A, Passecker A, Collins J, Hupfeld M, Wittlin S, Witmer K, Brancucci NMB. Next Generation Chemiluminescent Probes for Antimalarial Drug Discovery. ACS Infect Dis 2024; 10:1286-1297. [PMID: 38556981 PMCID: PMC11019541 DOI: 10.1021/acsinfecdis.3c00707] [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: 12/18/2023] [Revised: 03/07/2024] [Accepted: 03/13/2024] [Indexed: 04/04/2024]
Abstract
Malaria is caused by parasites of the Plasmodium genus and remains one of the most pressing human health problems. The spread of parasites resistant to or partially resistant to single or multiple drugs, including frontline antimalarial artemisinin and its derivatives, poses a serious threat to current and future malaria control efforts. In vitro drug assays are important for identifying new antimalarial compounds and monitoring drug resistance. Due to its robustness and ease of use, the [3H]-hypoxanthine incorporation assay is still considered a gold standard and is widely applied, despite limited sensitivity and the dependence on radioactive material. Here, we present a first-of-its-kind chemiluminescence-based antimalarial drug screening assay. The effect of compounds on P. falciparum is monitored by using a dioxetane-based substrate (AquaSpark β-D-galactoside) that emits high-intensity luminescence upon removal of a protective group (β-D-galactoside) by a transgenic β-galactosidase reporter enzyme. This biosensor enables highly sensitive, robust, and cost-effective detection of asexual, intraerythrocytic P. falciparum parasites without the need for parasite enrichment, washing, or purification steps. We are convinced that the ultralow detection limit of less than 100 parasites of the presented biosensor system will become instrumental in malaria research, including but not limited to drug screening.
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Affiliation(s)
- Angela Hellingman
- Department
of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, 4123 Allschwil, Switzerland
- University
of Basel, 4001 Basel, Switzerland
| | - Kleopatra Sifoniou
- Department
of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, 4123 Allschwil, Switzerland
- University
of Basel, 4001 Basel, Switzerland
| | - Tamara Buser
- Department
of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, 4123 Allschwil, Switzerland
- University
of Basel, 4001 Basel, Switzerland
| | - Basil T. Thommen
- Department
of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, 4123 Allschwil, Switzerland
- University
of Basel, 4001 Basel, Switzerland
| | - Annabelle Walz
- Department
of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, 4123 Allschwil, Switzerland
- University
of Basel, 4001 Basel, Switzerland
| | - Armin Passecker
- Department
of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, 4123 Allschwil, Switzerland
- University
of Basel, 4001 Basel, Switzerland
| | | | | | - Sergio Wittlin
- Department
of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, 4123 Allschwil, Switzerland
- University
of Basel, 4001 Basel, Switzerland
| | - Kathrin Witmer
- Department
of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, 4123 Allschwil, Switzerland
- University
of Basel, 4001 Basel, Switzerland
- NEMIS
Technologies AG, 8804 Au, ZH, Switzerland
| | - Nicolas M. B. Brancucci
- Department
of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute, 4123 Allschwil, Switzerland
- University
of Basel, 4001 Basel, Switzerland
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5
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Zhang WQ, Tu YD, Liu H, Liu R, Zhang XJ, Jiang L, Huang Y, Xia F. A Single Set of Well-Designed Aptamer Probes for Reliable On-site Qualitative and Ultra-Sensitive Quantitative Detection. Angew Chem Int Ed Engl 2024; 63:e202316434. [PMID: 38192021 DOI: 10.1002/anie.202316434] [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: 10/30/2023] [Revised: 12/04/2023] [Accepted: 01/08/2024] [Indexed: 01/10/2024]
Abstract
Aptamer-based probes are pivotal components in various sensing strategies, owing to their exceptional specificity and versatile programmable structure. Nevertheless, numerous aptamer-based probes usually offer only a single function, limiting their capacity to meet the diverse requirements of multi-faceted sensing systems. Here, we introduced supersandwich DNA probes (SSW-DNA), designed and modified on the outer surface of nanochannels with hydrophobic inner walls, enabling dual functionality: qualitative detection for on-site analysis and quantitative detection for precise analysis. The fragmented DNAs resulting from the target recognition, are subsequently identified through lateral flow assays, enabling robust on-site qualitative detection of microcystin-LR with an impressively low limit of detection (LOD) at 0.01 μg/L. Meanwhile, the nanochannels enable highly sensitive quantification of microcystin-LR through the current analysis, achieving an exceptionally low LOD at 2.5×10-7 μg/L, with a broad dynamic range spanning from 1×10-6 to 1×102 μg/L. Furthermore, the process of target recognition introduces just a single potential error propagation, which reduces the overall risk of errors during the entire qualitative and quantitative detection process. This sensing strategy broadens the scope of applications for aptamer-based composite probes, holding promising implications across diverse fields, such as medical diagnosis, food safety, and environmental protection.
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Affiliation(s)
- Wei-Qi Zhang
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Material Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
| | - Yi-Dan Tu
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Material Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
| | - Hong Liu
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Material Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
| | - Rui Liu
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Material Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
| | - Xiao-Jin Zhang
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Material Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
| | - Lei Jiang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yu Huang
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Material Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
| | - Fan Xia
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Material Science and Chemistry, China University of Geosciences, Wuhan, 430074, P. R. China
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6
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Shelef O, Kopp T, Tannous R, Arutkin M, Jospe-Kaufman M, Reuveni S, Shabat D, Fridman M. Enzymatic Activity Profiling Using an Ultrasensitive Array of Chemiluminescent Probes for Bacterial Classification and Characterization. J Am Chem Soc 2024; 146:5263-5273. [PMID: 38362863 PMCID: PMC10910560 DOI: 10.1021/jacs.3c11790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 02/02/2024] [Accepted: 02/05/2024] [Indexed: 02/17/2024]
Abstract
Identification and characterization of bacterial species in clinical and industrial settings necessitate the use of diverse, labor-intensive, and time-consuming protocols as well as the utilization of expensive and high-maintenance equipment. Furthermore, while cutting-edge identification technologies such as mass spectrometry and PCR are highly effective in identifying bacterial pathogens, they fall short in providing additional information for identifying bacteria not present in the databases upon which these methods rely. In response to these challenges, we present a robust and general approach to bacterial identification based on their unique enzymatic activity profiles. This method delivers results within 90 min, utilizing an array of highly sensitive and enzyme-selective chemiluminescent probes. Leveraging our recently developed technology of chemiluminescent luminophores, which emit light under physiological conditions, we have crafted an array of probes designed to rapidly detect various bacterial enzymatic activities. The array includes probes for detecting resistance to the important and large class of β-lactam antibiotics. The analysis of chemiluminescent fingerprints from a diverse range of prominent bacterial pathogens unveiled distinct enzymatic activity profiles for each strain. The reported universally applicable identification procedure offers a highly sensitive and expeditious means to delineate bacterial enzymatic activity fingerprints. This opens new avenues for characterizing and identifying pathogens in research, clinical, and industrial applications.
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Affiliation(s)
| | | | | | - Maxence Arutkin
- School of Chemistry, Raymond
& Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Moriah Jospe-Kaufman
- School of Chemistry, Raymond
& Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Shlomi Reuveni
- School of Chemistry, Raymond
& Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Doron Shabat
- School of Chemistry, Raymond
& Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Micha Fridman
- School of Chemistry, Raymond
& Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
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7
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Tannous R, Shelef O, Gutkin S, David M, Leirikh T, Ge L, Jaber Q, Zhou Q, Ma P, Fridman M, Spitz U, Houk KN, Shabat D. Spirostrain-Accelerated Chemiexcitation of Dioxetanes Yields Unprecedented Detection Sensitivity in Chemiluminescence Bioassays. ACS CENTRAL SCIENCE 2024; 10:28-42. [PMID: 38292606 PMCID: PMC10823517 DOI: 10.1021/acscentsci.3c01141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/03/2023] [Accepted: 10/04/2023] [Indexed: 02/01/2024]
Abstract
Chemiluminescence is a fascinating phenomenon that involves the generation of light through chemical reactions. The light emission from adamantyl-phenoxy-1,2-dioxetanes can glow from minutes to hours depending on the specific substituent present on the dioxetane molecule. In order to improve the light emission properties produced by these chemiluminescent luminophores, it is necessary to induce the chemiexcitation rate to a flash mode, wherein the bulk of light is emitted instantly rather than slowly over time. We report the realization of this goal through the incorporation of spirostrain release into the decomposition of 1,2-dioxetane luminophores. DFT computational simulations provided support for the hypothesis that the spiro-cyclobutyl substituent accelerates chemiexcitation as compared to the unstrained adamantyl substituent. Spiro-linking of cyclobutane and oxetane units led to greater than 100-fold and 1000-fold emission enhancement, respectively. This accelerated chemiexcitation rate increases the detection sensitivity for known chemiluminescent probes to the highest signal-to-noise ratio documented to date. A turn-ON probe, containing a spiro-cyclobutyl unit, for detecting the enzyme β-galactosidase exhibited a limit of detection value that is 125-fold more sensitive than that for the previously described adamantyl analogue. This probe was also able to instantly detect and image β-gal activity with enhanced sensitivity in E. coli bacterial assays.
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Affiliation(s)
- Rozan Tannous
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Omri Shelef
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Sara Gutkin
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Maya David
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Thomas Leirikh
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Liang Ge
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Qais Jaber
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Qingyang Zhou
- Department
of Chemistry and Biochemistry, University
of California, Los Angeles, California 90095, United States
| | - Pengchen Ma
- Department
of Chemistry and Biochemistry, University
of California, Los Angeles, California 90095, United States
- Department
of Chemistry, School of Chemistry, Xi’an Key Laboratory of
Sustainable Energy Material Chemistry and Engineering Research Center
of Energy Storage Materials and Devices, Ministry of Education, Xi’an Jiaotong University, Xi’an 710049, People’s Republic of China
| | - Micha Fridman
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Urs Spitz
- BIOSYNTH, Rietlistr. 4 Postfach 125 9422 Staad, Switzerland
| | - Kendall N. Houk
- Department
of Chemistry and Biochemistry, University
of California, Los Angeles, California 90095, United States
| | - Doron Shabat
- School
of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
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8
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Qiao Z, Xue L, Sun M, Ma N, Shi H, Yang W, Cheong LZ, Huang X, Xiong Y. Dual-Functional Tetrahedron Multivalent Aptamer Assisted Amplification-Free CRISPR/Cas12a Assay for Sensitive Detection of Salmonella. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:857-864. [PMID: 38134022 DOI: 10.1021/acs.jafc.3c07582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2023]
Abstract
Salmonellosis continues to impose a significant economic burden globally. Rapid and sensitive detection of Salmonella is crucial to preventing the outbreaks of foodborne illnesses, yet it remains a formidable challenge. Herein, a dual-functional tetrahedron multivalent aptamer assisted amplification-free CRISPR/Cas12a assay was developed for Salmonella detection. In the system, the aptamer was programmatically assembled on the tetrahedral DNA nanostructure to fabricate a multivalent aptamer (TDN-multiApt), which displayed a 3.5-fold enhanced avidity over the monovalent aptamer and possessed four CRISPR/Cas12a targeting fragments to amplify signal. Therefore, TDN-multiApt could directly activate Cas12a to achieve the second signal amplification without any nucleic acid amplification. By virtue of the synergism of high avidity and cascaded signal amplifications, the proposed method allowed the ultrasensitive detection of Salmonella as low as 7 cfu mL-1. Meanwhile, this novel platform also exhibited excellent specificity against target bacteria and performed well in the detection of various samples, indicating its potential application in real samples.
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Affiliation(s)
- Zhaohui Qiao
- Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China
| | - Liangliang Xue
- Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China
| | - Mengni Sun
- Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China
| | - Na Ma
- Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China
| | - Hanxing Shi
- Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China
| | - Wenge Yang
- Zhejiang-Malaysia Joint Research Laboratory for Agricultural Product Processing and Nutrition, College of Food and Pharmaceutical Sciences, Ningbo University, Ningbo 315800, China
| | - Ling-Zhi Cheong
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science, University of Melbourne, Parkville 3003, Australia
| | - Xiaolin Huang
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
- Jiangxi-OAI Joint Research Institute, Nanchang University, Nanchang 330031, China
| | - Yonghua Xiong
- State Key Laboratory of Food Science and Resources, Nanchang University, Nanchang 330047, China
- Jiangxi-OAI Joint Research Institute, Nanchang University, Nanchang 330031, China
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9
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Yuan J, Wang L, Huang L, He K, Wang H, Xu X, Su B, Wang J. CRISPR-Cas12a-Mediated Hue-Recognition Lateral Flow Assay for Point-of-Need Detection of Salmonella. Anal Chem 2024; 96:220-228. [PMID: 38109169 DOI: 10.1021/acs.analchem.3c03753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Nucleic acid detection of pathogens in a point-of-need (PON) manner is of great significance yet remains challenging for sensitive and accurate visual discrimination. Here, we report a CRISPR-Cas12a-mediated lateral flow assay for PON detection of Salmonella typhimurium (S.ty) that is a prevailing pathogen disseminated through tainted food. The variation of the fluorescence color of the test line is exploited to interpret the results, enabling the discrimination between positive and negative samples on the basis of a hue-recognition mechanism. By leveraging the cleavage activity of Cas12a and hue-recognition readout, the assay facilitated by recombinase polymerase amplification can yield a visual detection limit of 1 copy μL-1 for S.ty genomic DNA within 1 h. The assay also displays a high specificity toward S.ty in fresh chicken samples, as well as a sensitivity 10-fold better than that of the commercial test strip. Moreover, a semiquantitative detection of S.ty ranging from 0 to 4 × 103 CFU/mL by the naked eye is made possible, thanks to the easily discernible color change of the test line. This approach provides an easy, rapid, accurate, and user-friendly solution for the PON detection of Salmonella and other pathogens.
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Affiliation(s)
- Jingrui Yuan
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P.R. China
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products; Key Laboratory of Information Traceability for Agricultural Products, Ministry of Agriculture and Rural Affairs; Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P.R. China
| | - Liu Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products; Key Laboratory of Information Traceability for Agricultural Products, Ministry of Agriculture and Rural Affairs; Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P.R. China
| | - Liang Huang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P.R. China
| | - Kaiyu He
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products; Key Laboratory of Information Traceability for Agricultural Products, Ministry of Agriculture and Rural Affairs; Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P.R. China
| | - Hongmei Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products; Key Laboratory of Information Traceability for Agricultural Products, Ministry of Agriculture and Rural Affairs; Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P.R. China
| | - Xiahong Xu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products; Key Laboratory of Information Traceability for Agricultural Products, Ministry of Agriculture and Rural Affairs; Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, P.R. China
| | - Bin Su
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou 310058, P.R. China
| | - Jing Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P.R. China
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10
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Yan X, Yang P, Qiu D, Chen D, Pan J, Zhang X, Ju H, Zhou J. Ligation-Based High-Performance Mimetic Enzyme Sensing Platform for Nucleic Acid Detection. Anal Chem 2024; 96:388-393. [PMID: 38153911 DOI: 10.1021/acs.analchem.3c04417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2023]
Abstract
G-quadruplex (G4)/hemin DNAzyme is a promising candidate to substitute horseradish peroxidase in biosensing systems, especially for the detection of nucleic acids. However, the relatively suboptimal catalytic capacity limits its potential applications. This makes it imperative to develop an ideal signal for the construction of highly sensitive biosensing platforms. Herein, we integrated a novel chimeric peptide-DNAzyme (CPDzyme) with the ligase chain reaction (LCR) for the cost-efficient and highly sensitive detection of nucleic acids. By employing microRNA (miRNA) and single-nucleotide polymorphism detection as the model, we designed a G4-forming sequence on the LCR probe with a terminally labeled amino group. Subsequently, asymmetric hemin with carboxylic arms allowed assembly with the LCR products and peptide to form CPDzyme, followed by the magnetic separation of the extraneous components and chemiluminescence detection. Compared with the conventional G4/hemin signaling-based method, the LCR-CPDzyme system demonstrated 3 orders of magnitude improved sensitivity, with accurate quantification of as low as 25 aM miRNA and differentiation of 0.1% of mutant DNA from the pool containing a large amount of wild-type DNA. The proposed LCR-CPDzyme strategy is a potentially powerful method for in vitro diagnostics and serves as a reference for the development of other ligation- or hybridization-based nucleic acid amplification assays.
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Affiliation(s)
- Xinrong Yan
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
| | - Peiru Yang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
| | - Dehui Qiu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
| | - Desheng Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
| | - Jianbin Pan
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
| | - Xiaobo Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
| | - Huangxian Ju
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
| | - Jun Zhou
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P.R. China
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11
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Ouyang Q, Rong Y, Wang B, Ahmad W, Liu S, Chen Q. An innovative solid-phase biosensor for rapid on-site detection of N-nitrosodimethylamine incorporating zein film and upconversion nanoparticles. Food Chem 2024; 430:136981. [PMID: 37541034 DOI: 10.1016/j.foodchem.2023.136981] [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: 05/27/2023] [Revised: 07/12/2023] [Accepted: 07/21/2023] [Indexed: 08/06/2023]
Abstract
Pickled frequently contains nitrosodimethylamine (NDMA), a mutagenic and carcinogenic substance that is dangerous for the general public's health. This study reports on the fabrication of a fluorescent biosensor using zein film and aptamer functionalized upconversion nanoparticles (UCNPs) for on-site monitoring of NDMA in meat. UCNPs were first prepared followed by aptamer binding and mixing with zein film, which was further conjugated with cDNA of dabcyl modified at 5'. The fluorescence resonance energy transfer (FRET) mechanism between the UCNPs and dabcyl was exploited. The fluorescence signals of the zein film recovered when NDMA was present because it was selectively collected by the particular aptamer and damaged the cDNA structure. The designed functionalized zein film was used for on-site and portable determination of NDMA with a lower limit of detection of 0.017 ng/mL, and possessed a satisfactory recovery ranging from 95.8% to 100.2% with no significant difference compared with the GC-MS method.
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Affiliation(s)
- Qin Ouyang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Yanna Rong
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Baoning Wang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Waqas Ahmad
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Shuangshuang Liu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Quansheng Chen
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China.
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12
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Lei J, Zhang L, Li M, Liu W, Jin Y, Li B. Surface Oxygen Vacancy-Rich Co 3O 4 Nanowires as an Effective Catalyst of Luminol-H 2O 2 Chemiluminescence for Sensitive Immunoassay. Anal Chem 2023; 95:17937-17944. [PMID: 37991222 DOI: 10.1021/acs.analchem.3c04409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Oxygen vacancy is one intrinsic defect in metal oxide materials. Interestingly, we herein found that the surface oxygen vacancy can significantly enhance the catalytic activity of Co3O4 nanowires in the luminol-H2O2 chemiluminescence (CL) reaction. 0.1 ng/mL Co3O4 nanowires containing 51.3% surface oxygen vacancies possessed ca. 2.5-fold catalytic activity of free Co2+ (the best metal ionic catalyst for the luminol-H2O2 CL reaction). The superior catalytic efficiency is attributed to the enhanced adsorption of H2O2 by surface oxygen vacancies, which in turn accelerates the cleavage of O-O bonds and generates •OH radicals. More importantly, the surface oxygen vacancy-rich Co3O4 nanowires retained about 90% catalytic activity after modification with antibodies. The surface oxygen vacancy-rich Co3O4 nanowires were used to label the secondary antibody, and one sandwich-type CL immunoassay of carcinoembryonic antigen was established. The detection limit was 0.3 ng/mL with a linear range of 1-10 ng/mL. This proof-of-concept work proves that surface oxygen vacancy-rich Co3O4 nanowires are suitable for labeling biomolecules in CL bioanalysis and biosensing.
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Affiliation(s)
- Jing Lei
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Ling Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Mei Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Wei Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Yan Jin
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Baoxin Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
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13
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Baryzewska A, Roth C, Seeberger PH, Zeininger L. In situ Tracking of Exoenzyme Activity Using Droplet Luminescence Concentrators for Ratiometric Detection of Bacteria. ACS Sens 2023; 8:4143-4151. [PMID: 37933952 PMCID: PMC10683504 DOI: 10.1021/acssensors.3c01385] [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: 07/07/2023] [Revised: 09/26/2023] [Accepted: 10/17/2023] [Indexed: 11/08/2023]
Abstract
We demonstrate a novel, rapid, and cost-effective biosensing paradigm that is based on an in situ visualization of bacterial exoenzyme activity using biphasic Janus emulsion droplets. Sensitization of the droplets toward dominant extracellular enzymes of bacterial pathogens is realized via selective functionalization of one hemisphere of Janus droplets with enzyme-cleavable surfactants. Surfactant cleavage results in an interfacial tension increase at the respective droplet interface, which readily transduces into a microscopically detectable change of the internal droplet morphologies. A macroscopic fluorescence read-out of such morphological transitions is obtained via ratiometrically recording the angle-dependent anisotropic emission signatures of perylene-containing droplets from two different angles. The optical read-out method facilitates detection of marginal morphological responses of polydisperse droplet samples that can be easily produced in any environment. The performance of Janus droplets as powerful optical transducers and signal amplifiers is highlighted by rapid (<4 h) and cost-effective antibody and DNA-free identification of three major foodborne pathogens, with detection thresholds of below 10 CFU mL-1 for Salmonella and <102 to 103 CFU mL-1 for Listeria and Escherichia coli.
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Affiliation(s)
- Agata
W. Baryzewska
- Department
of Colloid Chemistry, Max Planck Institute
of Colloids and Interfaces, Am Muehlenberg 1, 14476 Potsdam, Germany
| | - Christian Roth
- Department
of Biomolecular Systems, Max Planck Institute
of Colloids and Interfaces, Am Muehlenberg 1, 14476 Potsdam, Germany
| | - Peter H. Seeberger
- Department
of Biomolecular Systems, Max Planck Institute
of Colloids and Interfaces, Am Muehlenberg 1, 14476 Potsdam, Germany
| | - Lukas Zeininger
- Department
of Colloid Chemistry, Max Planck Institute
of Colloids and Interfaces, Am Muehlenberg 1, 14476 Potsdam, Germany
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14
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Liu S, Li J, Zou Y, Jiang Y, Wu L, Deng Y. Construction of Magnetic Core-Large Mesoporous Satellite Immunosensor for Long-Lasting Chemiluminescence and Highly Sensitive Tumor Marker Determination. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2304631. [PMID: 37438544 DOI: 10.1002/smll.202304631] [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: 06/01/2023] [Indexed: 07/14/2023]
Abstract
Chemiluminescence immunoassay exhibits high sensitivity and signal-to-noise ratio, thus attracting great attention in the early diagnosis and dynamic monitoring of diseases. However, the collection of conventional flash-type chemiluminescence signal (<5 s) relies heavily on automatic sampling and reading instrument. Herein, a novel core-satellite multifunctional chemiluminescence immunosensor is designed for the efficient enrichment and highly sensitive determination of cancer biomarker carcinoembryonic antigen (CEA) with enhanced and long-lasting output signal that can be conveniently recorded by a simple microplate plate reading instrument. Anti-CEA monoclonal antibody 2 (Ab2) modified Fe3 O4 @SiO2 microspheres (Fe3 O4 @SiO2 -Ab2, 370 nm in diameter) are synthesized as the core for selectively capturing and enriching target CEA in solution, and anti-human CEA monoclonal antibody 1 (Ab1) and horseradish peroxidase (HRP) co-immobilized dendritic large-mesoporous silica nanospheres (MSNs-HRP/Ab1, 80 nm in diameter, pore size: 17 nm) are synthesized as the satellite for efficient immunological recognition and signal amplification. The as-designed core-satellite magnetic chemiluminescence immunosensors exhibit a broad linear range of 0.01-20 ng mL-1 and a low detection limit of 3.0 pg mL-1 for the convenient, highly specific, and sensitive determination of CEA in human serum. Such core-satellite chemiluminescence immunosensors are expected to act as a powerful tool for in vitro detection of various biomarkers, overcome the defect of conventional chemiluminescence relying heavily on expensive and bulky automatic instruments and popularize chemiluminescence analysis to primary medical institutions and remote areas.
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Affiliation(s)
- Shude Liu
- Department of Chemistry, Department of Gastroenterology, Zhongshan Hospital of Fudan University, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, iChEM, Fudan University, Shanghai, 200433, China
| | - Juan Li
- Department of Chemistry, Department of Gastroenterology, Zhongshan Hospital of Fudan University, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, iChEM, Fudan University, Shanghai, 200433, China
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, China
| | - Yidong Zou
- Department of Chemistry, Department of Gastroenterology, Zhongshan Hospital of Fudan University, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, iChEM, Fudan University, Shanghai, 200433, China
| | - Yongjian Jiang
- Department of Pancreatic Surgery, Nephrology & Radiology, Huashan Hospital, Fudan University, Shanghai, 200040, China
| | - Limin Wu
- Institute of Energy and Materials Chemistry, Inner Mongolia University, Hohhot, 010021, China
| | - Yonghui Deng
- Department of Chemistry, Department of Gastroenterology, Zhongshan Hospital of Fudan University, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, iChEM, Fudan University, Shanghai, 200433, China
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15
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Zhuang L, Gong J, Shen Q, Yang J, Song C, Liu Q, Zhao B, Zhang Y, Zhu M. Advances in detection methods for viable Salmonella spp.: current applications and challenges. ANAL SCI 2023; 39:1643-1660. [PMID: 37378821 DOI: 10.1007/s44211-023-00384-8] [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: 04/22/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023]
Abstract
Salmonella is a common intestinal pathogen that can cause food poisoning and intestinal disease. The high prevalence of Salmonella necessitates efficient and sensitive methods for its identification, detection, and monitoring, especially of viable Salmonella. Conventional culture methods need to be more laborious and time-consuming. And they are relatively limited in their ability to detect Salmonella in the viable but non-culturable status if present in the sample to be tested. As a result, there is an increasing need for rapid and accurate techniques to detect viable Salmonella spp. This paper reviewed the status and progress of various methods reported in recent years that can be used to detect viable Salmonella, such as culture-based methods, molecular methods targeting RNAs and DNAs, phage-based methods, biosensors, and some techniques that have the potential for future application. This review can provide researchers with a reference for additional method options and help facilitate the development of rapid and accurate assays. In the future, viable Salmonella detection approaches will become more stable, sensitive, and fast and are expected to play a more significant role in food safety and public health.
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Affiliation(s)
- Linlin Zhuang
- School of Animal Husbandry and Veterinary Medicine, Jiangsu Vocational College of Agriculture and Forestry, Jurong, 212400, People's Republic of China
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering and Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing, 210096, People's Republic of China
| | - Jiansen Gong
- Poultry Institute, Chinese Academy of Agricultural Sciences, Yangzhou, 225125, People's Republic of China
| | - Qiuping Shen
- School of Animal Husbandry and Veterinary Medicine, Jiangsu Vocational College of Agriculture and Forestry, Jurong, 212400, People's Republic of China
| | - Jianbo Yang
- School of Animal Husbandry and Veterinary Medicine, Jiangsu Vocational College of Agriculture and Forestry, Jurong, 212400, People's Republic of China
| | - Chunlei Song
- School of Animal Husbandry and Veterinary Medicine, Jiangsu Vocational College of Agriculture and Forestry, Jurong, 212400, People's Republic of China
| | - Qingxin Liu
- School of Animal Husbandry and Veterinary Medicine, Jiangsu Vocational College of Agriculture and Forestry, Jurong, 212400, People's Republic of China
| | - Bin Zhao
- School of Animal Husbandry and Veterinary Medicine, Jiangsu Vocational College of Agriculture and Forestry, Jurong, 212400, People's Republic of China
| | - Yu Zhang
- State Key Laboratory of Digital Medical Engineering, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering and Collaborative Innovation Center of Suzhou Nano Science and Technology, Southeast University, Nanjing, 210096, People's Republic of China.
| | - Mengling Zhu
- School of Animal Husbandry and Veterinary Medicine, Jiangsu Vocational College of Agriculture and Forestry, Jurong, 212400, People's Republic of China.
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16
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Pan YY, Zhao BC, Zhang X, Zhu W, Shen AG. "Dramatic Growth" of Microbial Aerosols for Visualization and Accurate Counting of Bioaerosols. Anal Chem 2023; 95:13537-13545. [PMID: 37653720 DOI: 10.1021/acs.analchem.3c02042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
While the global COVID-19 pandemic has subsided, microbial aerosol detection has become of high concern. Timely, accurate, and highly sensitive monitoring of microbial aerosols in indoor air is the basis for effective prevention and control of infectious diseases. At present, no commercial equipment or reliable technology can simultaneously control the detection time and limit at 6 h and 102 CFU/mL, respectively. Based on the "safety size range" of particulate matter in the air, we propose a new method of microbial dilation detection, which enables the pathogen to grow rapidly and dramatically into a polymeric microsphere, larger in size than the coexisting aerosol particles. "Like a crane standing among chickens", the microorganism can be easily visualized and counted. Different from routine chemical and biological sensing technologies, this method can achieve absolute counting of microbial particles, and the simple principles can be developed into devices for different life scenarios.
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Affiliation(s)
- Yao-Yu Pan
- College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, P.R. China
- Research Center of Graphic Communication, Printing and Packaging, Wuhan University, Wuhan 430072, P.R. China
| | - Bai-Chuan Zhao
- Research Center of Graphic Communication, Printing and Packaging, Wuhan University, Wuhan 430072, P.R. China
| | - Xin Zhang
- Beijing Digital Sky Eye Biotechnology Co., Beijing 100089, P.R. China
| | - Wei Zhu
- College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, P.R. China
| | - Ai-Guo Shen
- College of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan 430200, P.R. China
- Research Center of Graphic Communication, Printing and Packaging, Wuhan University, Wuhan 430072, P.R. China
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17
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Yu Q, Xia X, Xu C, Wang W, Zheng S, Wang C, Gu B, Wang C. Introduction of a multilayered fluorescent nanofilm into lateral flow immunoassay for ultrasensitive detection of Salmonella typhimurium in food samples. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023. [PMID: 37455653 DOI: 10.1039/d3ay00738c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
Fast and sensitive identification of foodborne bacteria in complex samples is the key to the prevention and control of microbial infections. Herein, an ultrasensitive lateral flow assay (LFIA) based on multilayered fluorescent nanofilm (GO/DQD)-guided signal amplification was developed for the rapid and quantitative determination of Salmonella typhimurium (S. typhi). The film-like GO/DQD was prepared through the electrostatic mediated layer-by-layer assembly of numerous carboxylated CdSe/ZnS quantum dots (QDs) onto an ultrathin graphene oxide (GO) nanosheet, which possessed advantages including higher QD loading, larger surface areas, superior luminescence, and better stability, than traditional spherical nanomaterials. The antibody-modified GO/DQD can effectively attach onto a target bacterial cell to form a GO/DQD-bacteria immunocomplex containing almost ten thousand QDs, thus greatly improving the detection sensitivity of LFIA. The constructed GO/DQD-LFIA biosensor achieved the rapid and sensitive detection of S. typhi in 14 min with detection limits of as low as 9 cells/mL. Moreover, compared with traditional LFIA techniques for bacteria detection, the proposed assay exhibited excellent stability and accuracy in real food samples and enormously improved sensitivity (2-3 orders of magnitude), demonstrating its great potential in the field of rapid diagnosis.
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Affiliation(s)
- Qing Yu
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, PR China.
- Laboratory Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510000, PR China.
| | - Xuan Xia
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, PR China.
| | - Changyue Xu
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, PR China.
| | - Wenqi Wang
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, PR China.
| | - Shuai Zheng
- Laboratory Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510000, PR China.
| | - Chongwen Wang
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, PR China.
- Laboratory Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510000, PR China.
| | - Bing Gu
- Laboratory Medicine, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510000, PR China.
| | - Chaoguang Wang
- College of Intelligence Science and Technology, National University of Defense Technology, Changsha 410073, PR China.
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18
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Gutkin S, Tannous R, Jaber Q, Fridman M, Shabat D. Chemiluminescent duplex analysis using phenoxy-1,2-dioxetane luminophores with color modulation. Chem Sci 2023; 14:6953-6962. [PMID: 37389255 PMCID: PMC10306105 DOI: 10.1039/d3sc02386a] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 05/26/2023] [Indexed: 07/01/2023] Open
Abstract
Multiplex technology is an important emerging field, in diagnostic sciences, that enables the simultaneous detection of several analytes in a single sample. The light-emission spectrum of a chemiluminescent phenoxy-dioxetane luminophore can be accurately predicted by determining the fluorescence-emission spectrum of its corresponding benzoate species, which is generated during the chemiexcitation process. Based on this observation, we designed a library of chemiluminescent dioxetane luminophores with multicolor emission wavelengths. Two dioxetane luminophores that have different emission spectra, but similar quantum yield properties, were selected from the synthesized library for a duplex analysis. The selected dioxetane luminophores were equipped with two different enzymatic substrates to generate turn-ON chemiluminescent probes. This pair of probes exhibited a promising ability to act as a chemiluminescent duplex system for the simultaneous detection of two different enzymatic activities in a physiological solution. In addition, the pair of probes were also able to simultaneously detect the activities of the two enzymes in a bacterial assay, using a blue filter slit for one enzyme and a red filter slit for the other enzyme. As far as we know, this is the first successful demonstration of a chemiluminescent duplex system composed of two-color phenoxy-1,2-dioxetane luminophores. We believe that the library of dioxetanes presented here will be beneficial for developing chemiluminescence luminophores for multiplex analysis of enzymes and bioanalytes.
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Affiliation(s)
- Sara Gutkin
- Department of Organic Chemistry, School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University Tel Aviv 69978 Israel +972 3 640 8340
| | - Rozan Tannous
- Department of Organic Chemistry, School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University Tel Aviv 69978 Israel +972 3 640 8340
| | - Qais Jaber
- Department of Organic Chemistry, School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University Tel Aviv 69978 Israel +972 3 640 8340
| | - Micha Fridman
- Department of Organic Chemistry, School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University Tel Aviv 69978 Israel +972 3 640 8340
| | - Doron Shabat
- Department of Organic Chemistry, School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University Tel Aviv 69978 Israel +972 3 640 8340
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19
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Ren X, Gao X, Zou G. Enhanced Photon Emission of Chemiluminescent Luminophore for Ultra-Fast and Semi-Automatic Immunoassay toward Single Molecule Detection. Anal Chem 2023; 95:8070-8076. [PMID: 37167106 DOI: 10.1021/acs.analchem.3c01060] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Optical single molecule detection is normally achieved via amplifying the total emission of photons of luminophores and is strongly anticipated to extend the commercialized application of chemiluminescence (CL). To overcome the limited CL photons of molecule luminophores, herein, a nanocrystal (NC) luminophore self-amplified strategy is proposed to repetitively excite CL luminophores for amplifying the total CL photons per luminophore, which can be exploited to perform CL immunoassays (CLIAs) toward single molecule detection via employing KMnO4 as the CL triggering agent and the dual-stabilizer-capped CdTe NCs as the CL luminophore. KMnO4 can oxidize the S element from each stabilizer of mercaptopropionic acid (MPA) and release enough energy to excite the CdTe core for flash CL. The substantial MPA around each CdTe core enables every CdTe luminophore to be repetitively excited and give off amplified total CL photons in a self-enhanced way. The CL of CdTe NCs/KMnO4 can release all photons rapidly, and the collection of all these photons can be utilized to determine the model analyte of thyroid-stimulating hormone antigen (TSH) with a limit of detection of 5 ag/mL (S/N = 3), which is corresponding to about 2-4 TSH molecules in a 20 μL sample. The whole immunologic operating process can be terminated within 6 min. This strategy of repetitively breaking the CL reaction involving chemical bonds within one luminophore is promising for semi-automatic as well as fully automatic single molecule detection and extends the commercialized application of CL immunodiagnosis.
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Affiliation(s)
- Xiaoxuan Ren
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Xuwen Gao
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
| | - Guizheng Zou
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, China
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20
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David M, Jaber Q, Fridman M, Shabat D. Dual Chemiexcitation by a Unique Dioxetane Scaffold Gated by an OR Logic Set of Triggers. Chemistry 2023; 29:e202300422. [PMID: 36779696 DOI: 10.1002/chem.202300422] [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: 02/09/2023] [Revised: 02/13/2023] [Accepted: 02/13/2023] [Indexed: 02/14/2023]
Abstract
Chemiexcitation of phenoxy-1,2-dioxetane chemiluminescent luminophores is initiated by electron transfer from a meta-positioned phenolate ion to the peroxide-dioxetane bond. Here we report the development of a unique 1,2-dioxetane chemiluminescent scaffold with chemiexcitation gated by an OR logic dual-set of triggering events. This scaffold is composed of meta-dihydroxyphenyl-1,2-dioxetane-adamantyl molecules, equipped with acrylic acid and chlorine substituents, that chemiexcitation under physiological conditions. A dual-mode chemiluminescent probe, armed with two different triggering substrates designed for activation by the enzymes β-galactosidase and alkaline phosphatase, was synthesized. The probe emitted intense light signals in the response to each enzyme, demonstrating its ability to serve as a single-component chemiluminescent sensor for dual-analyte detection. We also demonstrated the ability of the probe to detect β-galactosidase and phosphatase activities in bacteria. This is the first 1,2-dioxetane scaffold capable of responding to two different chemiexcitation events from two different positions on the same dioxetane molecule. We anticipate that the OR-gated mode of chemiexcitation, described herein, will find utility in the preparation of chemiluminescent probes with a dual-analyte detection/imaging mode.
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Affiliation(s)
- Maya David
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv, 69978, Israel
| | - Qais Jaber
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv, 69978, Israel
| | - Micha Fridman
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv, 69978, Israel
| | - Doron Shabat
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel-Aviv University, Tel Aviv, 69978, Israel
- Department of Organic Chemistry, School of Chemistry, Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel
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21
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Yi C, Yan F, Wei X, Wu Y, Wang X, Xu J. Design and characterization of high performance fluorescent probe for neutral red based on fluorescein monoaldol-3-acetyl coumarin. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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22
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Bromberger B, Mester PJ. Rapid detection of Listeria monocytogenes in dairy products by a novel chemilumonogenic approach. Food Microbiol 2023; 109:104150. [DOI: 10.1016/j.fm.2022.104150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 09/03/2022] [Accepted: 09/16/2022] [Indexed: 11/29/2022]
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23
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Zhao X, Smith G, Javed B, Dee G, Gun’ko YK, Curtin J, Byrne HJ, O’Connor C, Tian F. Design and Development of Magnetic Iron Core Gold Nanoparticle-Based Fluorescent Multiplex Assay to Detect Salmonella. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3917. [PMID: 36364693 PMCID: PMC9655581 DOI: 10.3390/nano12213917] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/31/2022] [Accepted: 11/05/2022] [Indexed: 06/16/2023]
Abstract
Salmonella is a bacterial pathogen which is one of the leading causes of severe illnesses in humans. The current study involved the design and development of two methods, respectively using iron oxide nanoparticle (IONP) and iron core gold nanoparticle (ICGNP), conjugated with the Salmonella antibody and the fluorophore, 4-Methylumbelliferyl Caprylate (4-MUCAP), used as an indicator, for its selective and sensitive detection in contaminated food products. Twenty double-blind beverage samples, spiked with Salmonella enteritidis, Staphylococcus aureus, and Escherichia coli, were prepared in sterile Eppendorf® tubes at room temperature. The gold layer and spikes of ICGNPs increased the surface areas. The ratio of the surface area is 0.76 (IONPs/ICGNPs). The comparative sensitivity and specificity of the IONP-based and the ICGNP-based methods to detect Salmonella were determined. The ICGNP method shows the limit of detection is 32 Salmonella per mL. The ICGNPs had an 83.3% sensitivity and a 92.9% specificity value for the presence and detection of Salmonella. The IONP method resulted in a limit of detection of 150 Salmonella per mL, and a 66.7% sensitivity and 83.3% specificity for the presence and detection of Salmonella. The higher surface area of ICGNPs increases the efficiency of detection. The monitoring of Salmonella can thus be achieved by a rapid magnetic fluorescent assay using a smartphone for image capture and analyze, providing quantitative results. The findings from the present study would help to detect Salmonella rapidly in water. It can improve the microbial quality of water and food safety due to the presence of Salmonella in the water environment.
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Affiliation(s)
- Xinyi Zhao
- School of Food Science & Environmental Health, Technological University Dublin, Grangegorman, D07 H6K8 Dublin, Ireland
- FOCAS Research Institute, Technological University Dublin, Camden Row, D08 CKP1 Dublin, Ireland
| | - Gwendoline Smith
- School of Food Science & Environmental Health, Technological University Dublin, Grangegorman, D07 H6K8 Dublin, Ireland
| | - Bilal Javed
- School of Food Science & Environmental Health, Technological University Dublin, Grangegorman, D07 H6K8 Dublin, Ireland
- FOCAS Research Institute, Technological University Dublin, Camden Row, D08 CKP1 Dublin, Ireland
| | - Garret Dee
- AMBER, Trinity College Dublin, D02 PN40 Dublin, Ireland
| | | | - James Curtin
- Faculty of Engineering and Built Environment, Technological University Dublin, Bolton Street, D01 K822 Dublin, Ireland
| | - Hugh J. Byrne
- FOCAS Research Institute, Technological University Dublin, Camden Row, D08 CKP1 Dublin, Ireland
| | - Christine O’Connor
- School of Food Science & Environmental Health, Technological University Dublin, Grangegorman, D07 H6K8 Dublin, Ireland
| | - Furong Tian
- School of Food Science & Environmental Health, Technological University Dublin, Grangegorman, D07 H6K8 Dublin, Ireland
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24
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Studies on a novel method for the determination of nitrosamines in food by HPLC-UV-FLD coupling with terbium-doped carbon dots. Food Chem 2022. [DOI: 10.1016/j.foodchem.2022.134894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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25
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Tu Z, Yang X, Dong H, Yu Q, Zheng S, Cheng X, Wang C, Rong Z, Wang S. Ultrasensitive Fluorescence Lateral Flow Assay for Simultaneous Detection of Pseudomonas aeruginosa and Salmonella typhimurium via Wheat Germ Agglutinin-Functionalized Magnetic Quantum Dot Nanoprobe. BIOSENSORS 2022; 12:942. [PMID: 36354451 PMCID: PMC9687718 DOI: 10.3390/bios12110942] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/21/2022] [Accepted: 10/21/2022] [Indexed: 06/16/2023]
Abstract
Point-of-care testing methods for the rapid and sensitive screening of pathogenic bacteria are urgently needed because of the high number of outbreaks of microbial infections and foodborne diseases. In this study, we developed a highly sensitive and multiplex lateral flow assay (LFA) for the simultaneous detection of Pseudomonas aeruginosa and Salmonella typhimurium in complex samples by using wheat germ agglutinin (WGA)-modified magnetic quantum dots (Mag@QDs) as a universal detection nanoprobe. The Mag@QDs-WGA tag with a 200 nm Fe3O4 core and multiple QD-formed shell was introduced into the LFA biosensor for the universal capture of the two target bacteria and provided the dual amplification effect of fluorescence enhancement and magnetic enrichment for ultra-sensitivity detection. Meanwhile, two antibacterial antibodies were separately sprayed onto the two test lines of the LFA strip to ensure the specific identification of P. aeruginosa and S. typhimurium through one test. The proposed LFA exhibited excellent analytical performance, including high capture rate (>80%) to the target pathogens, low detection limit (<30 cells/mL), short testing time (<35 min), and good reproducibility (relative standard deviation < 10.4%). Given these merits, the Mag@QDs-WGA-based LFA has a great potential for the on-site and real-time diagnosis of bacterial samples.
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Affiliation(s)
- Zhijie Tu
- Beijing Institute of Microbiology and Epidemiology, Beijing 100089, China
- Medical Technology School, Xuzhou Medical University, Xuzhou 221004, China
| | - Xingsheng Yang
- Beijing Institute of Microbiology and Epidemiology, Beijing 100089, China
| | - Hao Dong
- Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230036, China
| | - Qing Yu
- Beijing Institute of Microbiology and Epidemiology, Beijing 100089, China
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Shuai Zheng
- Science Island Branch of Graduate School, University of Science and Technology of China, Hefei 230036, China
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Xiaodan Cheng
- Beijing Institute of Microbiology and Epidemiology, Beijing 100089, China
| | - Chongwen Wang
- Beijing Institute of Microbiology and Epidemiology, Beijing 100089, China
- Medical Technology School, Xuzhou Medical University, Xuzhou 221004, China
- College of Life Sciences, Anhui Agricultural University, Hefei 230036, China
| | - Zhen Rong
- Beijing Institute of Microbiology and Epidemiology, Beijing 100089, China
| | - Shengqi Wang
- Beijing Institute of Microbiology and Epidemiology, Beijing 100089, China
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26
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Cole MS, Hegde PV, Aldrich CC. β-Lactamase-Mediated Fragmentation: Historical Perspectives and Recent Advances in Diagnostics, Imaging, and Antibacterial Design. ACS Infect Dis 2022; 8:1992-2018. [PMID: 36048623 DOI: 10.1021/acsinfecdis.2c00315] [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: 01/29/2023]
Abstract
The discovery of β-lactam (BL) antibiotics in the early 20th century represented a remarkable advancement in human medicine, allowing for the widespread treatment of infectious diseases that had plagued humanity throughout history. Yet, this triumph was followed closely by the emergence of β-lactamase (BLase), a bacterial weapon to destroy BLs. BLase production is a primary mechanism of resistance to BL antibiotics, and the spread of new homologues with expanded hydrolytic activity represents a pressing threat to global health. Nonetheless, researchers have developed strategies that take advantage of this defense mechanism, exploiting BLase activity in the creation of probes, diagnostic tools, and even novel antibiotics selective for resistant organisms. Early discoveries in the 1960s and 1970s demonstrating that certain BLs expel a leaving group upon BLase cleavage have spawned an entire field dedicated to employing this selective release mechanism, termed BLase-mediated fragmentation. Chemical probes have been developed for imaging and studying BLase-expressing organisms in the laboratory and diagnosing BL-resistant infections in the clinic. Perhaps most promising, new antibiotics have been developed that use BLase-mediated fragmentation to selectively release cytotoxic chemical "warheads" at the site of infection, reducing off-target effects and allowing for the repurposing of putative antibiotics against resistant organisms. This Review will provide some historical background to the emergence of this field and highlight some exciting recent reports that demonstrate the promise of this unique release mechanism.
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Affiliation(s)
- Malcolm S Cole
- Department of Medicinal Chemistry, University of Minnesota, 308 Harvard St SE, Minneapolis, Minnesota 55455, United States
| | - Pooja V Hegde
- Department of Medicinal Chemistry, University of Minnesota, 308 Harvard St SE, Minneapolis, Minnesota 55455, United States
| | - Courtney C Aldrich
- Department of Medicinal Chemistry, University of Minnesota, 308 Harvard St SE, Minneapolis, Minnesota 55455, United States
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27
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Novel bioorthogonal reaction-mediated particle counting sensing platform using phage for rapid detection of Salmonella. Anal Chim Acta 2022; 1236:340564. [DOI: 10.1016/j.aca.2022.340564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 10/18/2022] [Accepted: 10/27/2022] [Indexed: 11/21/2022]
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28
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Shang J, Zhang X, He Z, Shen S, Liu D, Shi W, Ma H. An Oxazine‐Based Fluorogenic Probe with Changeable π‐Conjugation to Eliminate False‐Positive Interference of Albumin and Its Application to Sensing Aminopeptidase N. Angew Chem Int Ed Engl 2022; 61:e202205043. [DOI: 10.1002/anie.202205043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Jizhen Shang
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- Huzhou Key Laboratory of Medical and Environmental Applications Technologies School of Life Sciences Huzhou University Zhejiang 313000 China
- University of the Chinese Academy of Sciences Beijing 100049 China
| | - Xiaofan Zhang
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Zixu He
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Shili Shen
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Diankai Liu
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Wen Shi
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
| | - Huimin Ma
- Beijing National Laboratory for Molecular Sciences Key Laboratory of Analytical Chemistry for Living Biosystems Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
- University of the Chinese Academy of Sciences Beijing 100049 China
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29
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Small-Molecules as Chemiluminescent Probes to Detect Lipase Activity. Int J Mol Sci 2022; 23:ijms23169039. [PMID: 36012304 PMCID: PMC9409280 DOI: 10.3390/ijms23169039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/06/2022] [Accepted: 08/10/2022] [Indexed: 11/16/2022] Open
Abstract
The set-up of highly sensitive detection tools to evaluate lipase activity remains a central goal in different fields. In this context, we proposed new chemiluminescent 1,2-dioxetane luminophores, sharing an octanoyl triggerable group, to monitor lipase activity. We herein report the synthesis and both the evaluation of their luminescence emission profile and their enzyme-substrate specificity, generated by three different commercial lipases (Candida cylindracea, Pseudomonas fluorescens, and Mucor miehei) and one esterase (porcine liver esterase, PLE, as a literature control). Remarkably, the present study confirmed the applicability of these 1,2-dioxetane luminophores as (i) highly efficient, broad-range, chemiluminescent probes for the detection and the enzymatic activity evaluation of lipases and as (ii) promising candidates for the future development of both flash- and glow-type luminescence assays.
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30
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Peukert C, Popat Gholap S, Green O, Pinkert L, van den Heuvel J, van Ham M, Shabat D, Brönstrup M. Enzyme-Activated, Chemiluminescent Siderophore-Dioxetane Probes Enable the Selective and Highly Sensitive Detection of Bacterial Pathogens. Angew Chem Int Ed Engl 2022; 61:e202201423. [PMID: 35358362 PMCID: PMC9322335 DOI: 10.1002/anie.202201423] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Indexed: 12/18/2022]
Abstract
The sensitive detection of bacterial infections is a prerequisite for their successful treatment. The use of a chemiluminescent readout was so far hampered by an insufficient probe enrichment at the pathogens. We coupled siderophore moieties, that harness the unique iron transport system of bacteria, with enzyme‐activatable dioxetanes and obtained seven trifunctional probes with high signal‐to‐background ratios (S/B=426‐859). Conjugates with efficient iron transport capability into bacteria were identified through a growth recovery assay. All ESKAPE pathogens were labelled brightly by desferrioxamine conjugates, while catechols were weaker due to self‐quenching. Bacteria could also be detected inside lung epithelial cells. The best probe 8 detected 9.1×103 CFU mL−1 of S. aureus and 5.0×104 CFU mL−1 of P. aeruginosa, while the analogous fluorescent probe 10 was 205–305fold less sensitive. This qualifies siderophore dioxetane probes for the selective and sensitive detection of bacteria.
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Affiliation(s)
- Carsten Peukert
- Department of Chemical Biology, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124, Braunschweig, Germany
| | - Sachin Popat Gholap
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Ori Green
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Lukas Pinkert
- Department of Chemical Biology, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124, Braunschweig, Germany
| | - Joop van den Heuvel
- Department of Structure and Function of Proteins, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124, Braunschweig, Germany
| | - Marco van Ham
- Department of Structure and Function of Proteins, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124, Braunschweig, Germany
| | - Doron Shabat
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv, 69978, Israel
| | - Mark Brönstrup
- Department of Chemical Biology, Helmholtz Centre for Infection Research, Inhoffenstrasse 7, 38124, Braunschweig, Germany
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31
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Ma H, Shang J, Zhang X, He Z, Shen S, Liu D, Shi W. An Oxazine‐Based Fluorogenic Probe with Changeable π‐conjugation to Eliminate False‐Positive Interference of Albumin and Its Application to Sensing Aminopeptidase N. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202205043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Huimin Ma
- Institute of Chemistry CAS: Institute of Chemistry Chinese Academy of Sciences Key Laboratory of Analytical Chemistry for Living Biosystems No. 2, The 1st North Street, Zhongguancun 100190 Beijing CHINA
| | - Jizhen Shang
- Institute of Chemistry CAS: Institute of Chemistry Chinese Academy of Sciences Key Laboratory of Analytical Chemistry for Living Biosystems CHINA
| | - Xiaofan Zhang
- CAS Institute of Chemistry: Institute of Chemistry Chinese Academy of Sciences Key Laboratory of Analytical Chemistry for Living Biosystems CHINA
| | - Zixu He
- Institute of Chemistry CAS: Institute of Chemistry Chinese Academy of Sciences Key Laboratory of Analytical Chemistry for Living Biosystems CHINA
| | - Shili Shen
- Institute of Chemistry CAS: Institute of Chemistry Chinese Academy of Sciences Key Laboratory of Analytical Chemistry for Living Biosystems CHINA
| | - Diankai Liu
- Institute of Chemistry CAS: Institute of Chemistry Chinese Academy of Sciences Key Laboratory of Analytical Chemistry for Living Biosystems CHINA
| | - Wen Shi
- Institute of Chemistry CAS: Institute of Chemistry Chinese Academy of Sciences Key Laboratory of Analytical Chemistry for Living Biosystems CHINA
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32
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Chen X, Wang X, Fang Y, Zhang L, Zhao M, Liu Y. Long-Lasting Chemiluminescence-Based POCT for Portable and Visual Pathogenic Detection and In Situ Inactivation. Anal Chem 2022; 94:8382-8391. [PMID: 35647701 DOI: 10.1021/acs.analchem.2c00877] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Bacterial infections seriously threaten human health and also bring huge financial burden. It is critical to construct multifunctional platforms for effectively inactivating bacteria right after point-of-care testing (POCT). Chemiluminescence (CL) bioassays are considered as powerful candidates for POCT as they are free from using an excitation light source, while the flash-type emission limits their further application. Herein, a CL system with long, persistent, and intensive intensity was constructed based on the peroxidase-like property of 4-mercaptophenylboronic acid (MPBA)-functionalized CuSe nanoprobes (CuSeNPs@MPBA), which improved the detection accuracy and sensitivity. By further integrating a smartphone as an analyzer, quantitative POCT of bacteria was realized with high sensitivity. The limit of detection was as low as 1.25 and 1.01 cfu mL-1 for Staphylococcus aureus and Escherichia coli detection, respectively. Specifically, bacteria can be eliminated with high efficiency due to excellent photothermal property of CuSeNPs@MPBA. The developed multifunctional platform also has advantages of simple operation with low cost, suggesting its high potential for use in food safety, environment monitoring, and clinical applications.
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Affiliation(s)
- Xiying Chen
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Xiaomin Wang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, P. R. China
| | - Yuan Fang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Liule Zhang
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Minyang Zhao
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
| | - Yaqing Liu
- State Key Laboratory of Food Nutrition and Safety, College of Food Science and Engineering, Tianjin University of Science and Technology, Tianjin 300457, P. R. China
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33
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Kagalwala HN, Reeves RT, Lippert AR. Chemiluminescent spiroadamantane-1,2-dioxetanes: Recent advances in molecular imaging and biomarker detection. Curr Opin Chem Biol 2022; 68:102134. [DOI: 10.1016/j.cbpa.2022.102134] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/19/2022] [Accepted: 02/22/2022] [Indexed: 12/31/2022]
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34
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Wang L, Lin H, Zhang J, Wang J. Phage long tail fiber protein-immobilized magnetic nanoparticles for rapid and ultrasensitive detection of Salmonella. Talanta 2022; 248:123627. [PMID: 35661002 DOI: 10.1016/j.talanta.2022.123627] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 05/26/2022] [Accepted: 05/28/2022] [Indexed: 11/28/2022]
Abstract
There is an urgent need to develop fast and sensitive detection methods for foodborne pathogens. But the conventional culture method that typically requires 2-3 days is not ideal for the rapid analysis. Food samples demonstrate a great challenge for direct detection due to the complex matrix. Hence, we present a new method based on the phage long-tail-fiber proteins (LTF4-a) immobilized magnetic nanoparticles (MNPs) for specific separation and concentration of Salmonella. The LTF4-a-MNP was prepared via the coupling of recombinant LTF4-a with MNPs and used to isolate and enrich Salmonella cells from contaminated food samples. The captured material was further integrated with the direct PCR program for accurate detection of Salmonella. Our study successfully established a new method for detecting contaminated food samples of Salmonella, the overall approach took no more than 3 h, which allowed a detection limit of 7 CFU/mL, demonstrating a promising alternative to the immunomagnetic separation method by replacing antibodies or aptamers, that is compatible with downstream analysis.
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Affiliation(s)
- Luokai Wang
- Food Safety Laboratory, College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao, Shandong Province, 266003, PR China
| | - Hong Lin
- Food Safety Laboratory, College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao, Shandong Province, 266003, PR China
| | - Jing Zhang
- Food Safety Laboratory, College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao, Shandong Province, 266003, PR China
| | - Jingxue Wang
- Food Safety Laboratory, College of Food Science and Engineering, Ocean University of China, No. 5, Yushan Road, Qingdao, Shandong Province, 266003, PR China.
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35
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Gnaim S, Gholap SP, Ge L, Das S, Gutkin S, Green O, Shelef O, Hananya N, Baran PS, Shabat D. Modular Access to Diverse Chemiluminescent Dioxetane-Luminophores through Convergent Synthesis. Angew Chem Int Ed Engl 2022; 61:e202202187. [PMID: 35258138 PMCID: PMC9311660 DOI: 10.1002/anie.202202187] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Indexed: 12/19/2022]
Abstract
Adamantyl‐dioxetane luminophores are an important class of chemiluminescent molecular probes for diagnostics and imaging. We have developed a new efficient synthetic route for preparation of adamantyl‐enolether as precursors for dioxetane chemiluminescent luminophores. The synthesis is convergent, using an unusual Stille cross‐coupling reaction employing a stannane‐enolether, to directly afford adamantyl‐enolether. In a following simple step, the dioxetane is obtained by oxidation of the enolether precursor with singlet‐oxygen. The scope of this synthetic route is broad since a large number of haloaryl substrates are either commercially available or easily accessible. Such a late‐stage derivatization strategy simplifies the rapid exploration of novel luminogenic molecular structures in a library format and simplifies the synthesis of known dioxetane luminophores. We expect that this new synthetic strategy will be particularly useful in the design and synthesis of yet unexplored dioxetane chemiluminescent luminophores.
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Affiliation(s)
- Samer Gnaim
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, 69978, Tel Aviv, Israel.,Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Sachin Popat Gholap
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, 69978, Tel Aviv, Israel
| | - Liang Ge
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, 69978, Tel Aviv, Israel
| | - Sayantan Das
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, 69978, Tel Aviv, Israel
| | - Sara Gutkin
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, 69978, Tel Aviv, Israel
| | - Ori Green
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, 69978, Tel Aviv, Israel
| | - Omri Shelef
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, 69978, Tel Aviv, Israel
| | - Nir Hananya
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, 69978, Tel Aviv, Israel
| | - Phil S Baran
- Department of Chemistry, Scripps Research, 10550 North Torrey Pines Road, La Jolla, CA 92037, USA
| | - Doron Shabat
- School of Chemistry, Raymond and Beverly Sackler Faculty of Exact Sciences, 69978, Tel Aviv, Israel
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36
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Li J, Li S, Wang X, Zhu Z, Zhang Q, Liu S, Wang Y, Huang J. Responsive Cysteine-Lighted Silver Nanoclusters Regulated by Highly Catalytic G-Quadruplex DNAzyme for Ultrasensitive Detection of Salmonella Typhimurium. FOOD ANAL METHOD 2022. [DOI: 10.1007/s12161-022-02300-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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37
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Yu Y, Guan W, Yuan Z, Lu C. Cationic AIEgen micelle-improved chemiluminescent H 2O 2 assay by integrating reactant approach and CRET. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:1671-1677. [PMID: 35420072 DOI: 10.1039/d2ay00372d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The enhancement of chemiluminescence (CL) intensity is significant in the development of chemiluminescent detection systems with improved sensitivity. In this study, a cationic surfactant with an intrinsic aggregation-induced emission emitter (AIEgen) has been applied to boost the CL signal of the horseradish peroxidase-luminol-H2O2 system. The formed cationic AIEgen micelles enhance the CL signal in two ways: the electrostatic attraction-mediated enrichment and approach of reactants and the high CRET efficiency between excited luminol radicals and AIEgen in the surfactant backbone. As a result, strong CL intensity is produced. Rapid and sensitive H2O2 detection is realized through the proposed cationic AIEgen micelle-containing chemiluminescent system with a limit of detection of 100 nM. The favourable selectivity over other possible interferents including metal ions and anions is due to the specific chemical reaction. Practical H2O2 analysis of thawing water samples with high accuracy using the proposed chemiluminescent platform is realized and is consistent with standard methods.
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Affiliation(s)
- Youkai Yu
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Weijiang Guan
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Zhiqin Yuan
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Chao Lu
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China.
- Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
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38
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Chen W, Zhang Y, Li Q, Jiang Y, Zhou H, Liu Y, Miao Q, Gao M. Near-Infrared Afterglow Luminescence of Chlorin Nanoparticles for Ultrasensitive In Vivo Imaging. J Am Chem Soc 2022; 144:6719-6726. [PMID: 35380810 DOI: 10.1021/jacs.1c10168] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Afterglow imaging holds great potential for ultrasensitive biomedical imaging. As it detects photons after the cessation of real-time light excitation, autofluorescence can therefore be effectively eliminated. However, afterglow imaging is still in its infant stage due to the lack of afterglow agents with satisfactory lifetime, biocompatibility, and high luminescence brightness, particularly afterglow in the near-infrared region for in vivo applications. To address these issues, this study for the first time reports chlorin nanoparticles (Ch-NPs) emitting afterglow luminescence peaking at 680 nm with a half-life of up to 1.5 h, which is almost 1 order of magnitude longer than those of other reported organic afterglow probes. In-depth experimental and theoretical studies revealed that the brightness of the afterglow luminescence is strongly correlated with the singlet oxygen (1O2) capacity and the oxidizability of the chlorins. Benefitting from the ultralong half-life and the minimized imaging background, small metastatic tumor foci of 3 mm3 were successfully resected under the guidance of the afterglow luminescence generated upon a single shot of activation prior to the injection, which was impossible for conventional near-infrared fluorescence imaging due to tissue autofluorescence.
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Affiliation(s)
- Wan Chen
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, P. R. China
| | - Yuan Zhang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, P. R. China
| | - Qing Li
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, P. R. China
| | - Yue Jiang
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, P. R. China
| | - Hui Zhou
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, P. R. China
| | - Yinghua Liu
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, P. R. China
| | - Qingqing Miao
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, P. R. China
| | - Mingyuan Gao
- State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, P. R. China
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39
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Integration of electrochemical interface and cell-free synthetic biology for biosensing. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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40
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Peukert C, Gholap SP, Green O, Pinkert L, van den Heuvel J, van Ham M, Shabat D, Broenstrup M. Enzyme‐activated, Chemiluminescent Siderophore‐Dioxetane Probes Enable the Selective and Highly Sensitive Detection of Bacterial ESKAPE Pathogens. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202201423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Carsten Peukert
- Helmholtz-Zentrum für Infektionsforschung GmbH: Helmholtz-Zentrum fur Infektionsforschung GmbH Chemical Biology GERMANY
| | - Sachin Popat Gholap
- Tel Aviv University Raymond and Beverly Sackler Faculty of Exact Sciences School of Chemistry ISRAEL
| | - Ori Green
- Tel Aviv University Raymond and Beverly Sackler Faculty of Exact Sciences School of Chemistry ISRAEL
| | - Lukas Pinkert
- Helmholtz-Zentrum für Infektionsforschung GmbH: Helmholtz-Zentrum fur Infektionsforschung GmbH Chemical Biology GERMANY
| | - Joop van den Heuvel
- Helmholtz-Zentrum für Infektionsforschung GmbH: Helmholtz-Zentrum fur Infektionsforschung GmbH SFPR GERMANY
| | - Marco van Ham
- Helmholtz-Zentrum für Infektionsforschung GmbH: Helmholtz-Zentrum fur Infektionsforschung GmbH SFPR GERMANY
| | - Doron Shabat
- Tel Aviv University Raymond and Beverly Sackler Faculty of Exact Sciences School of Chemistry ISRAEL
| | - Mark Broenstrup
- Helmholtz-Zentrum fur Infektionsforschung GmbH Chemical Biology Inhoffenstraße 7 38124 Braunschweig GERMANY
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41
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Gnaim S, Gholap SP, Ge L, Das S, Gutkin S, Green O, Shelef O, Hananya N, Baran PS, Shabat D. Modular Access to Diverse Chemiluminescent Dioxetane‐Luminophores through Convergent Synthesis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Samer Gnaim
- School of Chemistry Raymond and Beverly Sackler Faculty of Exact Sciences 69978 Tel Aviv Israel
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Sachin Popat Gholap
- School of Chemistry Raymond and Beverly Sackler Faculty of Exact Sciences 69978 Tel Aviv Israel
| | - Liang Ge
- School of Chemistry Raymond and Beverly Sackler Faculty of Exact Sciences 69978 Tel Aviv Israel
| | - Sayantan Das
- School of Chemistry Raymond and Beverly Sackler Faculty of Exact Sciences 69978 Tel Aviv Israel
| | - Sara Gutkin
- School of Chemistry Raymond and Beverly Sackler Faculty of Exact Sciences 69978 Tel Aviv Israel
| | - Ori Green
- School of Chemistry Raymond and Beverly Sackler Faculty of Exact Sciences 69978 Tel Aviv Israel
| | - Omri Shelef
- School of Chemistry Raymond and Beverly Sackler Faculty of Exact Sciences 69978 Tel Aviv Israel
| | - Nir Hananya
- School of Chemistry Raymond and Beverly Sackler Faculty of Exact Sciences 69978 Tel Aviv Israel
| | - Phil S. Baran
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla CA 92037 USA
| | - Doron Shabat
- School of Chemistry Raymond and Beverly Sackler Faculty of Exact Sciences 69978 Tel Aviv Israel
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42
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Gong Y, Yang M, Lv J, Li H, Gao J, Zeli Y. A 1,2‐Dioxetane‐Based Chemiluminescent Probe for Highly Selective and Sensitive Detection of Superoxide Anions In Vitro and In Vivo. Chempluschem 2022; 87:e202200054. [PMID: 35384394 DOI: 10.1002/cplu.202200054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/23/2022] [Indexed: 11/06/2022]
Affiliation(s)
| | - Mingyan Yang
- Zunyi Medical University School of Pharmacy CHINA
| | - Jiajia Lv
- Zunyi Medical University School of Pharmacy CHINA
| | - Hongyu Li
- Zunyi Medical University School of Pharmacy CHINA
| | - Jie Gao
- Zunyi Medical University School of Pharmacy CHINA
| | - Yuan Zeli
- Zunyi Medical University School of Pharmacy No.6 West Xuefu RoadXinpu District 563000 Zunyi CHINA
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43
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Qin J, Wang W, Gao L, Yao SQ. Emerging biosensing and transducing techniques for potential applications in point-of-care diagnostics. Chem Sci 2022; 13:2857-2876. [PMID: 35382472 PMCID: PMC8905799 DOI: 10.1039/d1sc06269g] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 01/11/2022] [Indexed: 12/24/2022] Open
Abstract
With the deepening of our understanding in life science, molecular biology, nanotechnology, optics, electrochemistry and other areas, an increasing number of biosensor design strategies have emerged in recent years, capable of providing potential practical applications for point-of-care (POC) diagnosis in various human diseases. Compared to conventional biosensors, the latest POC biosensor research aims at improving sensor precision, cost-effectiveness and time-consumption, as well as the development of versatile detection strategies to achieve multiplexed analyte detection in a single device and enable rapid diagnosis and high-throughput screening. In this review, various intriguing strategies in the recognition and transduction of POC (from 2018 to 2021) are described in light of recent advances in CRISPR technology, electrochemical biosensing, and optical- or spectra-based biosensing. From the perspective of promoting emerging bioanalytical tools into practical POC detecting and diagnostic applications, we have summarized key advances made in this field in recent years and presented our own perspectives on future POC development and challenges.
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Affiliation(s)
- Junjie Qin
- Department of Chemistry, National University of Singapore 4 Science Drive 2 Singapore 117544
| | - Wei Wang
- Department of Chemistry, National University of Singapore 4 Science Drive 2 Singapore 117544 .,School of Pharmaceutical Sciences, Sun Yat-sen University Shenzhen 518107 P. R. China
| | - Liqian Gao
- School of Pharmaceutical Sciences, Sun Yat-sen University Shenzhen 518107 P. R. China
| | - Shao Q Yao
- Department of Chemistry, National University of Singapore 4 Science Drive 2 Singapore 117544
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44
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Ouyang H, Xian J, Gao J, Zhang L, Wang W, Fu Z. Highly Sensitive Chemiluminescent Immunoassay of Mycotoxins Using ZIF-8-Derived Yolk-Shell Co Single-Atom Site Catalysts as Superior Fenton-like Probes. Anal Chem 2022; 94:3400-3407. [PMID: 35138805 DOI: 10.1021/acs.analchem.1c05557] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Superior to traditional nanoscale catalysts, single-atom site catalysts (SASCs) show such merits as maximal catalysis efficiency and outstanding catalytic activity for the construction of analytical methodological platforms. Hereby, an in situ etching strategy was designed to prepare yolk-shell Co SASCs derived from ZIF-8@SiO2 nanoparticles. On the basis of direct chemical interactions between precursors and supports, the Co element with isolated atomic dispersion was anchored on ZIF-8@SiO2 nanoparticles. The Co SASCs possess high Fenton-like activity and thus can catalyze the decomposition of H2O2 to produce massive superoxide radical anions instead of singlet oxygen and hydroxyl radicals. With the activity for producing superoxide radical anion, Co SASCs can greatly improve the chemiluminescent (CL) response of a luminol system by 3133.7 times. Furthermore, the SASCs with active sites of Co-O5 moieties were utilized as the CL probes for establishment of an immunoassay method for sensitive detection of mycotoxins by adopting aflatoxin B1 as a mode analyte. The quantitation range is 10-1000 pg/mL, and the limit of detection is 0.44 pg/mL (3σ) for aflatoxin B1. The proof-of-principle work elucidates the practicability of direct chemical interactions between precursors and supports for forming SASCs with ultrahigh CL response, which can be extended to the exploitation of more sorts of SASCs for tracing biological binding events.
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Affiliation(s)
- Hui Ouyang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Jiaxin Xian
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Jiaqi Gao
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Lvxia Zhang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Wenwen Wang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
| | - Zhifeng Fu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
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45
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Wang B, Chen Z, Cen X, Liang Y, Tan L, Liang E, Zheng L, Zheng Y, Zhan Z, Cheng K. Highly Selective and Sensitive Chemiluminescent Probe for Leucine Aminopeptidase Detection in Vitro, in Vivo and in human Liver Cancer Tissue. Chem Sci 2022; 13:2324-2330. [PMID: 35310505 PMCID: PMC8864696 DOI: 10.1039/d1sc06528a] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 01/17/2022] [Indexed: 12/24/2022] Open
Abstract
Leucine aminopeptidase (LAP) is involved in tumor cell proliferation, invasion, and angiogenesis, and is a well-known tumor marker. In recent years, chemiluminescence has been widely used in the field of biological imaging, due to it resulting in a high sensitivity and excellent signal-to-noise ratio. Here, we report the design, synthesis, and evaluation of the first LAP-activated chemiluminescent probe for LAP detection and imaging. The probe initially had no chemiluminescence but produced an extremely strong chemiluminescence after the release of the dioxetane intermediate in the presence of LAP. The probe had high selectivity over other proteases and higher signal-to-noise ratios than commercial fluorophores. Real-time imaging results indicated that the chemiluminescence was remarkably enhanced at the mice tumor site after the probe was injected. Furthermore, the chemiluminescence of this probe in the cancerous tissues of patients was obviously improved compared to that of normal tissues. Taken together, this study has developed the first LAP-activable chemiluminescent probe, which could be potentially used in protein detection, disease diagnosis, and drug development. The first chemiluminescent probe for the detection of LAP is described. It shows a highly selective, sensitive and rapid chemiluminescence response for the detection of LAP in vitro and in vivo, and enables the differentiation of liver cancer.![]()
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Affiliation(s)
- Baoqu Wang
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Zhenzhou Chen
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Xiaohong Cen
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Yuqing Liang
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Liyi Tan
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - En Liang
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Lu Zheng
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Yanjun Zheng
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Zhikun Zhan
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
| | - Kui Cheng
- Guangdong Provincial Key Laboratory of New Drug Screening, Guangzhou Key Laboratory of Drug Research for Emerging Virus Prevention and Treatment, School of Pharmaceutical Sciences, Southern Medical University Guangzhou 510515 Guangdong Province People's Republic of China
- Department of Musculoskeletal Oncology, The Third Affiliated Hospital of Southern Medical University Guangzhou 510642 Guangdong Province People's Republic of China
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46
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Gavriel A, Sambrook M, Russell AT, Hayes W. Recent advances in self-immolative linkers and their applications in polymeric reporting systems. Polym Chem 2022. [DOI: 10.1039/d2py00414c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Interest in self-immolative chemistry has grown over the past decade with more research groups harnessing the versatility to control the release of a compound from a larger chemical entity, given...
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47
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Ouyang H, Xian J, Luo S, Zhang L, Wang W, Fu Z. Emitter-Quencher Pair of Single Atomic Co Sites and Monolayer Titanium Carbide MXenes for Luminol Chemiluminescent Reactions. ACS APPLIED MATERIALS & INTERFACES 2021; 13:60945-60954. [PMID: 34914377 DOI: 10.1021/acsami.1c20489] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A facile, one-step doping protocol was adopted to synthesize Co single atomic site catalysts (SASCs) in UiO-66 metal-organic frameworks. In view of highly uniform active sites of Co-O6 moieties, the SASCs specifically contribute to catalyzing the generation of a large amount of singlet oxygen instead of superoxide or hydroxyl radicals, which endows Co SASCs with a the remarkable enhancement effect (∼3775 times) on luminol chemiluminescent (CL) emission. Interestingly, monolayer titanium carbide MXenes can drastically quench the CL signal of the Co SASC-boosted luminol reaction by ∼94.6% as highly efficient luminescent absorbents. Furthermore, the emitter-quencher pair of Co SASCs and titanium carbide MXenes was successfully adopted to develop an immunoassay method for cardiac troponin I (cTnI) on an immunochromatographic test strip platform. With a sandwich immunoreaction mode, a titanium carbide MXene-labeled cTnI tracer antibody was captured on the test line of a test strip, which significantly inhibited the CL response of the Co SACs-boosted luminol system. The dynamic range for quantitating cTnI is 1.0-100 pg mL-1, with a detection limit of 0.33 pg mL-1 (3σ). The test strip was successfully used to detect cTnI in human serum samples collected from cardiopathy patients. This proof-of-principle work manifests both the CL enhancement of SASCs and the quenching behavior of MXenes, which shows the thrilling prospects of combinational usage of the two functionalized nanomaterials for tracking biological recognition events.
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Affiliation(s)
- Hui Ouyang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Jiaxin Xian
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Shuai Luo
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Lvxia Zhang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Wenwen Wang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
| | - Zhifeng Fu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Ministry of Education), College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, China
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48
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Xu J, Zhang X, Yan C, Qin P, Yao L, Wang Q, Chen W. Trigging Isothermal Circular Amplification-Based Tuning of Rigorous Fluorescence Quenching into Complete Restoration on a Multivalent Aptamer Probe Enables Ultrasensitive Detection of Salmonella. Anal Chem 2021; 94:1357-1364. [PMID: 34963277 DOI: 10.1021/acs.analchem.1c04638] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Detection of pathogenic bacteria is of vital significance for combating and preventing infectious diseases. In this work, we developed a multivalent aptamer probe (Multi-VAP)-based trigging isothermal circular amplification (TICA) for rapidly and ultrasensitively detecting Salmonella. In this sensing system, the fluorescence of Multi-VAP was strongly quenched via the dual effect of FRET. Introduction of Salmonella to the system forced the configuration change of Multi-VAP, leading to the occurrence of a TICA responsible for tuning all of the fluorescence-quenched Multi-VAP into a complete restoration state. This prominent feature allows the reasonable combination of a strong background restraint and great target signal amplification into one sensing system, which in turn benefits the improvement of the signal-to-noise ratio to ensure that the system has an ultrahigh sensitivity. Combined with the employment of an aptamer to ensure that it has excellent specificity, the Salmonella can be quantitatively and qualitatively analyzed even from human serum. The total processing merely requires sample addition and incubation. The turnaround time of the complete analysis from "sample-to-result" was within 30 min. With the method to decrease the time to detect and simplify the process to operate, the assay was successfully used as a sensing platform for specific detection of as few as 9 CFU/mL Salmonella.
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Affiliation(s)
- Jianguo Xu
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Xinlei Zhang
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Chao Yan
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China.,Anhui Province Institute of Product Quality Supervision & Inspection, Hefei 230051, P. R. China
| | - Panzhu Qin
- Department of Nutrition and Food Hygiene, School of Public Health, Anhui Medical University, Hefei 230032, China
| | - Li Yao
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
| | - Qi Wang
- Key Laboratory of Embryo Development and Reproductive Regulation, Key Laboratory of Environmental Hormone and Reproduction, School of Biological and Food Engineering, Fuyang Normal University, Fuyang, Anhui 236037, P. R. China
| | - Wei Chen
- Engineering Research Center of Bio-process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, P. R. China
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49
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Luo Y, Peng R, Cui Q, Niu P, Li L. Internal Chemiluminescence Light-Driven Photocatalysis. ACS APPLIED MATERIALS & INTERFACES 2021; 13:60471-60477. [PMID: 34877861 DOI: 10.1021/acsami.1c19833] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Photocatalysis is a promising strategy to tackle the problem of energy and pollution. To date, it is driven by external physical light sources, which are not always applicable in some practical applications. In this research, we explore the possibility of chemiluminescence as internal light to drive the photocatalysis reaction using graphitic carbon nitride as the catalyst. A biphasic reaction is employed where the light-generating reaction occurs in the oil phase, and the photocatalysis mainly takes place in the aqueous phase. This system exhibits efficient catalytic activity in degradation of rhodamine B, methyl orange, and methylene blue. The proof-of-concept design of chemiluminescence-driven photocatalysis provides an alternative strategy to address environmental issues and other photochemistry reactions.
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Affiliation(s)
- Yufeng Luo
- State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Rui Peng
- State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Qianling Cui
- State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Pingjian Niu
- State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Lidong Li
- State Key Laboratory for Advanced Metals and Materials, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
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50
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Shen Y, Wu T, Chen H, Ye Y, Xu JJ. Ratiometric fluorescence detection of pathogenic bacteria based on dual-recognition nanoprobes with controllable G-quadruplex release. Chem Commun (Camb) 2021; 58:447-450. [PMID: 34904982 DOI: 10.1039/d1cc05966a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A dual-recognition carbon dot-based nanoprobe with controllable G-quadruplex release is developed for ratiometric fluorescence detection of pathogenic bacteria in a fast and precise way, which opens a promising avenue for efficient detection and early warning of pathogenic bacteria in food matrices.
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Affiliation(s)
- Yizhong Shen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China. .,School of Food & Biological Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei, 230009, China.
| | - Tingting Wu
- School of Food & Biological Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei, 230009, China.
| | - Huanhuan Chen
- School of Food & Biological Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei, 230009, China.
| | - Yingwang Ye
- School of Food & Biological Engineering, Key Laboratory for Agricultural Products Processing of Anhui Province, Hefei University of Technology, Hefei, 230009, China.
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China.
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