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Song FX, Xu X, Ding H, Yu L, Huang H, Hao J, Wu C, Liang R, Zhang S. Recent Progress in Nanomaterial-Based Biosensors and Theranostic Nanomedicine for Bladder Cancer. BIOSENSORS 2023; 13:106. [PMID: 36671940 PMCID: PMC9855444 DOI: 10.3390/bios13010106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 12/29/2022] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Bladder cancer (BCa) is one of the most expensive and common malignancies in the urinary system due to its high progression and recurrence rate. Although there are various methods, including cystoscopy, biopsy, and cytology, that have become the standard diagnosis methods for BCa, their intrinsic invasive and inaccurate properties need to be overcome. The novel urine cancer biomarkers are assisted by nanomaterials-based biosensors, such as field-effect transistors (FETs) with high sensitivity and specificity, which may provide solutions to these problems. In addition, nanomaterials can be applied for the advancement of next-generation optical imaging techniques and the contrast agents of conventional techniques; for example, magnetic resonance imaging (MRI) for the diagnosis of BCa. Regarding BCa therapy, nanocarriers, including mucoadhesive nanoparticles and other polymeric nanoparticles, successfully overcome the disadvantages of conventional intravesical instillation and improve the efficacy and safety of intravesical chemotherapy for BCa. Aside from chemotherapy, nanomedicine-based novel therapies, including photodynamic therapy (PDT), photothermal therapy (PTT), chemodynamic therapy (CDT), sonodynamic therapy (SDT), and combination therapy, have afforded us new ways to provide BC therapy and hope, which can be translated into the clinic. In addition, nanomotors and the nanomaterials-based solid tumor disassociation strategy provide new ideas for future research. Here, the advances in BCa diagnosis and therapy mentioned above are reviewed in this paper.
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Affiliation(s)
- Fan-Xin Song
- Department of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen University, Shenzhen 518000, China
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Xiaojian Xu
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Hengze Ding
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Le Yu
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Haochen Huang
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Jinting Hao
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Chenghao Wu
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Rui Liang
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Shaohua Zhang
- Department of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen University, Shenzhen 518000, China
- Department of Urology, The Affiliated South China Hospital of Shenzhen University, Shenzhen University, Shenzhen 518000, China
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Liu Y, Hu X, Liang F, Cao Y. A FRET sensor based on quantum dots-porphyrin assembly for Fe(III) detection with ultra-sensitivity and accuracy. Anal Bioanal Chem 2022; 414:7741-7751. [PMID: 36056266 DOI: 10.1007/s00216-022-04305-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/17/2022] [Accepted: 08/25/2022] [Indexed: 11/01/2022]
Abstract
Exploring sensors based on Förster resonance energy transfer (FRET) systems enables the continuous development of biological sensing technologies. Herein, we report the construction of a FRET sensor with dual-emissive quantum dots (QDs) and meso-tetra(4-sulfonatophenyl) porphine (TSPP). The sensor is composed of mesial green-emissive QDs with a thick silica shell (gQD@SiO2) and circumjacent blue-emissive QDs coated with ultra-thin silica spacer, on which is linked TSPP (bQD@SiO2-TSPP). The gQD@SiO2 endows the sensor with a fluorescent background. Due to the ultra-thin silica spacing, coupled with the superior resonance effect of bQD fluorescence and the Soret-band absorption of TSPP, the FRET efficiency is highly sensitive to the chelation state of TSPP. Relying on the absorbance transition of TSPP complexed with Fe(III), the FRET sensor is applied for ultra-sensitive Fe(III) detection. In aqueous solution, the sensor is demonstrated to linearly detect Fe(III) in the range of 0-1 μM, with a limit of detection (LOD) of 40 nM. More importantly, reliable Fe(III) detection can be achieved via the specific complexation of Fe(III) by TSPP and the ratiometric fluorescent response. As such, the inter-/intra-day precisions in standard samples, as well as the recovery rate in biological matrices, are fully validated. The excellent analytical performance, in combination with the excellent biocompatibility of the FRET sensor, allows semi-quantitative Fe(III) imaging in living cells.
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Affiliation(s)
- Yuqian Liu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and Joint International Research Lab of Lignocellulosic Functional Materials, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037, China.
| | - Xianyun Hu
- State Key Laboratory of Functions and Applications of Medical Plants, Guizhou Medical University, Guiyang, 550014, China.,Qiannan Medical College for Nationalities, Duyun, 558000, China
| | - Fangyuan Liang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and Joint International Research Lab of Lignocellulosic Functional Materials, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Yajing Cao
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources and Joint International Research Lab of Lignocellulosic Functional Materials, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing, 210037, China
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Razavi M, Kompany-Zareh M, Khoshkam M. PARAFAC study of L-cys@CdTe QDs interaction to BSA, cytochrome c and trypsin: An approach through electrostatic and covalent bonds. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 246:119016. [PMID: 33038854 DOI: 10.1016/j.saa.2020.119016] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 09/23/2020] [Accepted: 09/25/2020] [Indexed: 06/11/2023]
Abstract
Utilizing fluorescence spectroscopy, non-covalent and covalent interactions of L-cys@CdTe quantum dots to bovine serum albumin (BSA), cytochrome c and trypsin were investigated. L-cys@CdTe QDs with the emission maximum at 530 nm and an average diameter of 2.6 nm were synthesized in the aqueous medium. Formaldehyde, N-(3-dimethylaminopropyl)-N-ethylcarbodiimide hydrochloride (EDC) with N-hydroxysuccinimide (NHS), and glutaraldehyde was applied as cross-linkers. In the case of both electrostatic and covalent strategies PARAFAC, as a powerful multi-way chemometrics technique, was utilized to analyze fluorescence excitation-emission (EEM) spectra. For non-covalent and covalent bonding, two and three significant components composed the PARAFAC models. Resolved EEM shows that in the presence of formaldehyde, a new component with an emission peak similar to BSA was obtained. Using EDC-NHS cross-linker, the fluorescence peak of the newly formed component was in a distinct wavelength with similar emission intensity, compared to L-cys@CdTe QDs and BSA. Employing glutaraldehyde, a distinguished component was easily detected at emission wavelengths higher than that of L-cys@CdTe QDs and proteins. It was concluded that the choice of cross-linker is a critical step to create different emission spectra when dealing with nano-bio-conjugations. This study shows that glutaraldehyde cross-linker leads to increase sensitivity, selectivity, and accuracy of protein analysis.
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Affiliation(s)
- Mehri Razavi
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences, Zanjan 45137-66731, Iran
| | - Mohsen Kompany-Zareh
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences, Zanjan 45137-66731, Iran; Department of Chemistry, Dalhousie University, 6274 Coburg Road, P.O. Box 1500, Halifax, NS B3H 4R2, Canada.
| | - Maryam Khoshkam
- Department of Chemistry, ّFaculty of Science, University of Mohaghegh Ardabili, 56199-11367, Ardabil, Iran
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Bagheri E, Ansari L, Abnous K, Taghdisi SM, Ramezani P, Ramezani M, Alibolandi M. Silica–Quantum Dot Nanomaterials as a Versatile Sensing Platform. Crit Rev Anal Chem 2020; 51:687-708. [DOI: 10.1080/10408347.2020.1768358] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Elnaz Bagheri
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Legha Ansari
- Cellular and Molecular Research Center, Cellular and Molecular Medicine Institute, Urmia University of Medical Sciences, Urmia, Iran
| | - Khalil Abnous
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Mohammad Taghdisi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Pouria Ramezani
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Ramezani
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mona Alibolandi
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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Jin H, Jin Q, Liang Z, Liu Y, Qu X, Sun Q. Quantum Dot Based Fluorescent Traffic Light Nanoprobe for Specific Imaging of Avidin-Type Biotin Receptor and Differentiation of Cancer Cells. Anal Chem 2019; 91:8958-8965. [PMID: 31251580 DOI: 10.1021/acs.analchem.9b00924] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Sensitive and specific visualization of cell surface biotin receptors (BRs) a class of clinically important biomarkers, remains a challenge. In this work, a dual-emission ratiometric fluorescent nanoprobe is developed for specific imaging of cell surface avidin, a subtype of BRs. The nanoprobe comprises a dual-emission quantum dot nanohybrid, wherein a silica-encapsulated red-emitting QD (rQD@SiO2) is used as the "core" and green-emitting QDs (gQDs) are used as "satellites", which are further decorated with a new "love-hate"-type BR ligand, a phenanthroline-biotin conjugate with an amino linker. The nanoprobe shows intense rQD emission but quenched gQD emission by the BR ligand. Upon imaging, the rQD emission stays constant and the gQD emission is restored as cell surface avidin accrues. Accordingly, the overlaid fluorescence color collected from red and green emission changes from red to yellow and then to green. We refer to such a color change as a traffic light pattern and the nanoprobe as a fluorescent traffic light nanoprobe. We demonstrate the application of our fluorescent traffic light nanoprobe to characterize cancer cells. By the traffic light pattern, cervical carcinoma and normal cells, as well as different-type cancer cells including BR-negative colon cancer cells, BR-positive hepatoma carcinoma cells, breast cancer cells, and their subtypes, have been visually differentiated. We further demonstrate a use of our nanoprobe to distinguish the G2 phase from other stages in a cell cycle. These applications provide new insights into visualizing cell surface biomarkers with remarkable imaging resolution and accuracy.
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Affiliation(s)
- Haojun Jin
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering , Southeast University , Nanjing 210096 , People's Republic of China
| | - Qian Jin
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering , Southeast University , Nanjing 210096 , People's Republic of China
| | - Zhenghui Liang
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering , Southeast University , Nanjing 210096 , People's Republic of China
| | - Yuqian Liu
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering , Southeast University , Nanjing 210096 , People's Republic of China
| | - Xiaojun Qu
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering , Southeast University , Nanjing 210096 , People's Republic of China
| | - Qingjiang Sun
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering , Southeast University , Nanjing 210096 , People's Republic of China
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6
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Zhang LJ, Xia L, Xie HY, Zhang ZL, Pang DW. Quantum Dot Based Biotracking and Biodetection. Anal Chem 2018; 91:532-547. [DOI: 10.1021/acs.analchem.8b04721] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Li-Juan Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Luojia Hill, Wuhan 430072, P.R. China
| | - Li Xia
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Luojia Hill, Wuhan 430072, P.R. China
| | - Hai-Yan Xie
- School of Life Science, Beijing Institute of Technology, Beijing 100081, P.R. China
| | - Zhi-Ling Zhang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Luojia Hill, Wuhan 430072, P.R. China
| | - Dai-Wen Pang
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, State Key Laboratory of Virology, The Institute for Advanced Studies, and Wuhan Institute of Biotechnology, Wuhan University, Luojia Hill, Wuhan 430072, P.R. China
- College of Chemistry, Nankai University, 94 Weijin Road, Tianjin 300071, P.R. China
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7
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Highly sensitive ratiometric fluorescent paper sensor for the urine assay of cancer. Talanta 2018; 194:199-204. [PMID: 30609522 DOI: 10.1016/j.talanta.2018.10.045] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Revised: 10/11/2018] [Accepted: 10/13/2018] [Indexed: 12/24/2022]
Abstract
Telomerase, as a valuable biomarker, is an important target in cancer diagnosis. Here, we report a ratiometric fluorescent probe for telomerase activity assay in urine and bladder cancer diagnoses based on the color change of Rox-DNA functionalized quantum dots (QDs). The green fluorescence of the QDs was sensitive to H2O2, but the red fluorescence of Rox showed no change. An HRP-mimicking hemin/G-quadruplex, which was formed with the help of telomerase activity, catalyzed H2O2 into H2O and O2. This quadruplex effectively avoided H2O2 interference with green fluorescence. In the presence of H2O2, the detected color changed from red to yellow-green by increasing the telomerase concentration. The detection limit (LOD) was 10 cells, and response time was within 60 min. More importantly, a paper sensor was developed based on this probe and used for the assay of telomerase activity in urine samples. The results were highly sensitive and reproducible, and visual semi-quantitative detection was realized using the naked eye.
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Wang K, Zhai FH, He MQ, Wang J, Yu YL, He RH. A simple enzyme-assisted cascade amplification strategy for ultrasensitive and label-free detection of DNA. Anal Bioanal Chem 2018; 411:4569-4576. [DOI: 10.1007/s00216-018-1422-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 09/19/2018] [Accepted: 10/05/2018] [Indexed: 02/07/2023]
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9
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Wang K, Ren H, Li N, Tan X, Dang F. Ratiometric fluorescence sensor based on cholesterol oxidase-functionalized mesoporous silica nanoparticle@ZIF-8 core-shell nanocomposites for detection of cholesterol. Talanta 2018; 188:708-713. [DOI: 10.1016/j.talanta.2018.06.019] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 05/31/2018] [Accepted: 06/06/2018] [Indexed: 12/27/2022]
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10
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Ma H, Li Z, Xue N, Cheng Z, Miao X. A gold nanoparticle based fluorescent probe for simultaneous recognition of single-stranded DNA and double-stranded DNA. Mikrochim Acta 2018; 185:93. [DOI: 10.1007/s00604-017-2633-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 12/22/2017] [Indexed: 12/22/2022]
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11
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Wang J, Cao F, He S, Xia Y, Liu X, Jiang W, Yu Y, Zhang H, Chen W. FRET on lateral flow test strip to enhance sensitivity for detecting cancer biomarker. Talanta 2018; 176:444-449. [DOI: 10.1016/j.talanta.2017.07.096] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 07/25/2017] [Accepted: 07/31/2017] [Indexed: 01/01/2023]
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12
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Mao G, Cai Q, Wang F, Luo C, Ji X, He Z. One-Step Synthesis of Rox-DNA Functionalized CdZnTeS Quantum Dots for the Visual Detection of Hydrogen Peroxide and Blood Glucose. Anal Chem 2017; 89:11628-11635. [PMID: 29019392 DOI: 10.1021/acs.analchem.7b03053] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
As the blood glucose concentration is an important clinical parameter of diabetes, the rapid and effective detection of blood glucose is very significant for monitoring and managing diabetes. Here, a facile method to prepare Rox-DNA functionalized CdZnTeS quantum dots (QDs) was developed. The Rox-DNA functionalized CdZnTeS QDs were prepared by a one-pot hydrothermal method through phosphorothioate DNA bound to QDs, which were employed as a ratiometric fluorescent probe for the rapid and sensitive detection of H2O2 and glucose. Compared with the traditional multistep construction of ratiometric fluorescent probes, this presented approach is simpler and more effective without chemical modification and complicated separation. The CdZnTeS QDs with green fluorescence is specifically sensitive to H2O2, while the red fluorescence of Rox is invariable. H2O2 is the product from the oxidation of glucose catalyzed by glucose oxidase (GOx). Therefore, a facile method to detect H2O2 and glucose with a detection limit of 0.075 μM for H2O2 and 0.042 μM for glucose was developed. In addition, this proposed probe has been employed for the detection of glucose in human serum with a satisfactory result. Moreover, this probe has been used for visual detection, and the health and diabetics can be distinguished by the naked eye. Meanwhile, this nanoprobe is also generalizable and can be extended to the detection of many other H2O2-mediated analytes.
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Affiliation(s)
- Guobin Mao
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
| | - Qin Cai
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
| | - Fubing Wang
- Department of Laboratory Medicine, Zhongnan Hospital, Wuhan University , Wuhan 430071, China
| | - Changliang Luo
- Department of Laboratory Medicine, Zhongnan Hospital, Wuhan University , Wuhan 430071, China
| | - Xinghu Ji
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
| | - Zhike He
- Key Laboratory of Analytical Chemistry for Biology and Medicine (Ministry of Education), College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China
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Shen Y, Zhang N, Sun Y, Zhao WW, Ye D, Xu JJ, Chen HY. Activatable QD-Based Near-Infrared Fluorescence Probe for Sensitive Detection and Imaging of DNA. ACS APPLIED MATERIALS & INTERFACES 2017; 9:25107-25113. [PMID: 28696099 DOI: 10.1021/acsami.7b05871] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Accurate detection of DNA is essential for the precise diagnosis of diseases. Here we report an activatable near-infrared (NIR) fluorescence nanoprobe (QD-Al-GFLX) composed of NIR quantum dots (QDs) and Al(III)-gatifloxacin (Al-GFLX) complexes for the sensitive detection of double-stranded DNA (dsDNA) both in aqueous solution and in living cells. We demonstrated that the initial strong NIR fluorescence of QDs in QD-Al-GFLX was quenched by the Al-GFLX complex via a photoinduced electron transfer (PET) mechanism. Upon interaction with dsDNA, the high binding affinity between dsDNA and Al-GFLX complex could trigger QD-Al-GFLX dissociation, which could eliminate the PET process, resulting in significant enhancement of NIR fluorescence. QD-Al-GFLX was sensitive and specific to detect dsDNA in aqueous solution, with a detection limit of 6.83 ng/mL. The subsequent fluorescence imaging revealed that QD-Al-GFLX holds a high ability to enter into live cells, generating strong NIR fluorescence capable of reporting on dsDNA levels. This study highlighted the potential of using QD-Al-GFLX nanoprobe for the real-time detection and imaging of dsDNA in living cells.
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Affiliation(s)
- Yizhong Shen
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210023, China
| | - Nan Zhang
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210023, China
| | - Yidan Sun
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210023, China
| | - Wei-Wei Zhao
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210023, China
| | - Deju Ye
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210023, China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210023, China
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210023, China
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14
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Sun F, You Y, Liu J, Song Q, Shen X, Na N, Ouyang J. DNA Three-Way Junction for Differentiation of Single-Nucleotide Polymorphisms with Fluorescent Copper Nanoparticles. Chemistry 2017; 23:6979-6982. [DOI: 10.1002/chem.201701361] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Feifei Sun
- Key Laboratory of Theoretical and Computational Photochemistry; Ministry of Education; College of Chemistry; Beijing Normal University; Beijing 100875 P. R. China
| | - Ying You
- Key Laboratory of Theoretical and Computational Photochemistry; Ministry of Education; College of Chemistry; Beijing Normal University; Beijing 100875 P. R. China
- High School Affiliated to Southwest University; Chongqing 400700 P. R. China
| | - Jie Liu
- Department of Chemistry; Tsinghua University; Beijing 100084 P. R. China
| | - Quanwei Song
- State Key Laboratory of Petroleum Pollution Control; Beijing 102206 P. R. China
- CNPC Research Institute of Safety and Environmental Technology; Beijing 102206 P. R. China
| | - Xiaotong Shen
- Key Laboratory of Theoretical and Computational Photochemistry; Ministry of Education; College of Chemistry; Beijing Normal University; Beijing 100875 P. R. China
| | - Na Na
- Key Laboratory of Theoretical and Computational Photochemistry; Ministry of Education; College of Chemistry; Beijing Normal University; Beijing 100875 P. R. China
| | - Jin Ouyang
- Key Laboratory of Theoretical and Computational Photochemistry; Ministry of Education; College of Chemistry; Beijing Normal University; Beijing 100875 P. R. China
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15
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Bao B, Zhu J, Gong L, Chen J, Pan Y, Wang L. Sensitive DNA detection using cascade amplification strategy based on conjugated polyelectrolytes and hybridization chain reaction. RSC Adv 2017. [DOI: 10.1039/c6ra25882d] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel cascade amplification strategy that combines the molecular wire effects of CPEs with the signal amplification capability of the HCR has been developed for sensitive DNA detection.
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Affiliation(s)
- Biqing Bao
- Key Laboratory for Organic Electronics and Information Displays (KLOEID)
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Jin Zhu
- Key Laboratory for Organic Electronics and Information Displays (KLOEID)
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Lina Gong
- Key Laboratory for Organic Electronics and Information Displays (KLOEID)
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Jia Chen
- Key Laboratory for Organic Electronics and Information Displays (KLOEID)
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Yanrui Pan
- Key Laboratory for Organic Electronics and Information Displays (KLOEID)
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
| | - Lianhui Wang
- Key Laboratory for Organic Electronics and Information Displays (KLOEID)
- Institute of Advanced Materials (IAM)
- Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM)
- Nanjing University of Posts and Telecommunications (NUPT)
- Nanjing 210023
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16
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Guo Y, Chen Q, Qi Y, Xie Y, Qian H, Yao W, Pei R. Label-free ratiometric DNA detection using two kinds of interaction-responsive emission dyes. Biosens Bioelectron 2017; 87:320-324. [DOI: 10.1016/j.bios.2016.08.041] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2016] [Revised: 08/03/2016] [Accepted: 08/13/2016] [Indexed: 11/17/2022]
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17
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Jin H, Liu Y, Xu T, Qu X, Bian F, Sun Q. Quantum Dots–Ligand Complex as Ratiometric Fluorescent Nanoprobe for Visual and Specific Detection of G-Quadruplex. Anal Chem 2016; 88:10411-10418. [DOI: 10.1021/acs.analchem.6b01967] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Haojun Jin
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering, Southeast University, Nanjing 210096, China
| | - Yuqian Liu
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering, Southeast University, Nanjing 210096, China
| | - Tianshu Xu
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering, Southeast University, Nanjing 210096, China
| | - Xiaojun Qu
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering, Southeast University, Nanjing 210096, China
| | - Feika Bian
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering, Southeast University, Nanjing 210096, China
| | - Qingjiang Sun
- State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering, Southeast University, Nanjing 210096, China
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18
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Zou C, Foda MF, Tan X, Shao K, Wu L, Lu Z, Bahlol HS, Han H. Carbon-Dot and Quantum-Dot-Coated Dual-Emission Core–Satellite Silica Nanoparticles for Ratiometric Intracellular Cu2+ Imaging. Anal Chem 2016; 88:7395-403. [DOI: 10.1021/acs.analchem.6b01941] [Citation(s) in RCA: 96] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Chenchen Zou
- State Key Laboratory
of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Mohamed Frahat Foda
- State Key Laboratory
of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Xuecai Tan
- School of Chemistry and Chemical Engineering, Guangxi University for Nationalities, Nanning 530008, P. R. China
| | - Kang Shao
- State Key Laboratory
of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Long Wu
- State Key Laboratory
of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Zhicheng Lu
- State Key Laboratory
of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Hagar Shendy Bahlol
- State Key Laboratory
of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, P. R. China
| | - Heyou Han
- State Key Laboratory
of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, P. R. China
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19
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Zhang C, Ding C, Xiang D, Li L, Ji X, He Z, Xian Y. DNA Functionalized Fluorescent Quantum Dots for Bioanalytical Applications. CHINESE J CHEM 2016. [DOI: 10.1002/cjoc.201500906] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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