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Gandla K, Kumar KP, Rajasulochana P, Charde MS, Rana R, Singh LP, Haque MA, Bakshi V, Siddiqui FA, Khan SL, Ganguly S. Fluorescent-Nanoparticle-Impregnated Nanocomposite Polymeric Gels for Biosensing and Drug Delivery Applications. Gels 2023; 9:669. [PMID: 37623124 PMCID: PMC10453855 DOI: 10.3390/gels9080669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2023] [Revised: 08/05/2023] [Accepted: 08/15/2023] [Indexed: 08/26/2023] Open
Abstract
Nanocomposite polymeric gels infused with fluorescent nanoparticles have surfaced as a propitious category of substances for biomedical purposes owing to their exceptional characteristics. The aforementioned materials possess a blend of desirable characteristics, including biocompatibility, biodegradability, drug encapsulation, controlled release capabilities, and optical properties that are conducive to imaging and tracking. This paper presents a comprehensive analysis of the synthesis and characterization of fluorescent-nanoparticle-impregnated nanocomposite polymeric gels, as well as their biomedical applications, such as drug delivery, imaging, and tissue engineering. In this discourse, we deliberate upon the merits and obstacles linked to these substances, encompassing biocompatibility, drug encapsulation, optical characteristics, and scalability. The present study aims to provide an overall evaluation of the potential of fluorescent-nanoparticle-impregnated nanocomposite polymeric gels for biomedical applications. Additionally, emerging trends and future directions for research in this area are highlighted.
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Affiliation(s)
- Kumaraswamy Gandla
- Department of Pharmaceutical Analysis, Chaitanya (Deemed to be University), Hyderabad 500075, India
| | - K. Praveen Kumar
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Sciences, Government of NCT of Delhi, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi 110017, India
| | - P. Rajasulochana
- Department of Microbiology, Saveetha Medical College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Kanchipuram 602105, India
| | - Manoj Shrawan Charde
- Department of Pharmaceutical Chemistry, Government College of Pharmacy, Karad 415124, India
| | - Ritesh Rana
- Department of Pharmaceutics, Himachal Institute of Pharmaceutical Education and Research (HIPER), Hamirpur 177033, India
| | - Laliteshwar Pratap Singh
- Department of Pharmaceutical Chemistry, Narayan Institute of Pharmacy, Gopal Narayan Singh University, Rohtas 821305, India
| | - M. Akiful Haque
- Department of Pharmaceutical Analysis, School of Pharmacy, Anurag University, Hyderabad 500088, India
| | - Vasudha Bakshi
- Department of Pharmaceutics, School of Pharmacy, Anurag University, Hyderabad 500088, India
| | - Falak A. Siddiqui
- Department of Pharmaceutical Chemistry, N.B.S. Institute of Pharmacy, Ausa 413520, India
- Department of Pharmaceutical Chemistry, School of Pharmacy, Anurag University, Hyderabad 500088, India
| | - Sharuk L. Khan
- Department of Pharmaceutical Chemistry, N.B.S. Institute of Pharmacy, Ausa 413520, India
- Department of Pharmaceutical Chemistry, School of Pharmacy, Anurag University, Hyderabad 500088, India
| | - S. Ganguly
- Bar-Ilan Institute for Nanotechnology and Advanced Materials, Ramat Gan 5290002, Israel
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Ghorbanizamani F, Moulahoum H, Guler Celik E, Timur S. Ionic liquids enhancement of hydrogels and impact on biosensing applications. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119075] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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3
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Moulahoum H, Ghorbanizamani F, Guler Celik E, Timur S. Nano-Scaled Materials and Polymer Integration in Biosensing Tools. BIOSENSORS 2022; 12:301. [PMID: 35624602 PMCID: PMC9139048 DOI: 10.3390/bios12050301] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/26/2022] [Accepted: 05/02/2022] [Indexed: 12/27/2022]
Abstract
The evolution of biosensors and diagnostic devices has been thriving in its ability to provide reliable tools with simplified operation steps. These evolutions have paved the way for further advances in sensing materials, strategies, and device structures. Polymeric composite materials can be formed into nanostructures and networks of different types, including hydrogels, vesicles, dendrimers, molecularly imprinted polymers (MIP), etc. Due to their biocompatibility, flexibility, and low prices, they are promising tools for future lab-on-chip devices as both manufacturing materials and immobilization surfaces. Polymers can also allow the construction of scaffold materials and 3D structures that further elevate the sensing capabilities of traditional 2D biosensors. This review discusses the latest developments in nano-scaled materials and synthesis techniques for polymer structures and their integration into sensing applications by highlighting their various structural advantages in producing highly sensitive tools that rival bench-top instruments. The developments in material design open a new door for decentralized medicine and public protection that allows effective onsite and point-of-care diagnostics.
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Affiliation(s)
- Hichem Moulahoum
- Biochemistry Department, Faculty of Science, Ege University, Bornova, 35100 Izmir, Turkey; (H.M.); (F.G.)
| | - Faezeh Ghorbanizamani
- Biochemistry Department, Faculty of Science, Ege University, Bornova, 35100 Izmir, Turkey; (H.M.); (F.G.)
| | - Emine Guler Celik
- Bioengineering Department, Faculty of Science, Ege University, Bornova, 35100 Izmir, Turkey;
| | - Suna Timur
- Biochemistry Department, Faculty of Science, Ege University, Bornova, 35100 Izmir, Turkey; (H.M.); (F.G.)
- Central Research Testing and Analysis Laboratory Research and Application Center, Ege University, Bornova, 35100 Izmir, Turkey
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Advanced Optical Sensing of Phenolic Compounds for Environmental Applications. SENSORS 2021; 21:s21227563. [PMID: 34833640 PMCID: PMC8619556 DOI: 10.3390/s21227563] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/09/2021] [Accepted: 11/09/2021] [Indexed: 01/28/2023]
Abstract
Phenolic compounds are particularly dangerous due to their ability to remain in the environment for a long period of time and their toxic effects. They enter in the environment in different ways, such as waste from paper manufacturing, agriculture (pesticides, insecticides, herbicides), pharmaceuticals, the petrochemical industry, and coal processing. Conventional methods for phenolic compounds detection present some disadvantages, such as cumbersome sample preparation, complex and time-consuming procedures, and need of expensive equipment. Therefore, there is a very large interest in developing sensors and new sensing schemes for fast and easy-to-use methods for detecting and monitoring the phenolic compound concentration in the environment, with special attention to water. Good analytical properties, reliability, and adaptability are required for the developed sensors. The present paper aims at revising the most generally used optical methods for designing and fabricating biosensors and sensors for phenolic compounds. Some selected examples of the most interesting applications of these techniques are also proposed.
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Zhang H, Bai Y, Zhu N, Xu J. Microfluidic reactor with immobilized enzyme-from construction to applications: A review. Chin J Chem Eng 2021. [DOI: 10.1016/j.cjche.2020.12.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Agaricus bisporus Crude Extract: Characterization and Analytical Application. Molecules 2020; 25:molecules25245996. [PMID: 33352884 PMCID: PMC7765987 DOI: 10.3390/molecules25245996] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/08/2020] [Accepted: 12/16/2020] [Indexed: 12/19/2022] Open
Abstract
In the present work crude Agaricus bisporus extract (ABE) has been prepared and characterized by its tyrosinase activity, protein composition and substrate specificity. The presence of mushroom tyrosinase (PPO3) in ABE has been confirmed using two-dimensional electrophoresis, followed by MALDI TOF/TOF MS-based analysis. GH27 alpha-glucosidases, GH47 alpha-mannosidases, GH20 hexosaminidases, and alkaline phosphatases have been also detected in ABE. ABE substrate specificity has been studied using 19 phenolic compounds: polyphenols (catechol, gallic, caffeic, chlorogenic, and ferulic acids, quercetin, rutin, dihydroquercetin, l-dihydroxyphenylalanine, resorcinol, propyl gallate) and monophenols (l-tyrosine, phenol, p-nitrophenol, o-nitrophenol, guaiacol, o-cresol, m-cresol, p-cresol). The comparison of ABE substrate specificity and affinity to the corresponding parameters of purified A. bisporus tyrosinase has revealed no major differences. The conditions for spectrophotometric determination have been chosen and the analytical procedures for determination of 1.4 × 10-4-1.0 × 10-3 M l-tyrosine, 3.1 × 10-6-1.0 × 10-4 M phenol, 5.4 × 10-5-1.0 × 10-3 M catechol, 8.5 × 10-5-1.0 × 10-3 M caffeic acid, 1.5 × 10-4-7.5 × 10-4 M chlorogenic acid, 6.8 × 10-5-1.0 × 10-3 M l-DOPA have been proposed. The procedures have been applied for the determination of l-tyrosine in food supplements, l-DOPA in synthetic serum, and phenol in waste water from the food manufacturing plant. Thus, we have demonstrated the possibility of using ABE as a substitute for tyrosinase in such analytical applications, as food supplements, medical and environmental analysis.
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Chen M, Grazon C, Sensharma P, Nguyen TT, Feng Y, Chern M, Baer RC, Varongchayakul N, Cook K, Lecommandoux S, Klapperich CM, Galagan JE, Dennis AM, Grinstaff MW. Hydrogel-Embedded Quantum Dot-Transcription Factor Sensors for Quantitative Progesterone Detection. ACS APPLIED MATERIALS & INTERFACES 2020; 12:43513-43521. [PMID: 32893612 DOI: 10.1021/acsami.0c13489] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Immobilization of biosensors in or on a functional material is critical for subsequent device development and translation to wearable technology. Here, we present the development and assessment of an immobilized quantum dot-transcription factor-nucleic acid complex for progesterone detection as a first step toward such device integration. The sensor, composed of a polyhistidine-tagged transcription factor linked to a quantum dot and a fluorophore-modified cognate DNA, is embedded within a hydrogel as an immobilization matrix. The hydrogel is optically transparent, soft, and flexible as well as traps the quantum dot-transcription factor DNA assembly but allows free passage of the analyte, progesterone. Upon progesterone exposure, DNA dissociates from the quantum dot-transcription factor DNA assembly resulting in an attenuated ratiometric fluorescence output via Förster resonance energy transfer. The sensor performs in a dose-dependent manner with a limit of detection of 55 nM. Repeated analyte measurements are similarly successful. Our approach combines a systematically characterized hydrogel as an immobilization matrix and a transcription factor-DNA assembly as a recognition/transduction element, offering a promising framework for future biosensor devices.
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Affiliation(s)
- Mingfu Chen
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Chloé Grazon
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, United States
- CNRS, Bordeaux INP, LCPO, UMR 5629, Univ. Bordeaux, F-33600 Pessac, France
| | - Prerana Sensharma
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Thuy T Nguyen
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Yunpeng Feng
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Margaret Chern
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - R C Baer
- Department of Microbiology, Boston University, Boston, Massachusetts 02118, United States
| | - Nitinun Varongchayakul
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Katherine Cook
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, United States
| | | | - Catherine M Klapperich
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
- Division of Materials Science and Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - James E Galagan
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
- Department of Microbiology, Boston University, Boston, Massachusetts 02118, United States
| | - Allison M Dennis
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
- Division of Materials Science and Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Mark W Grinstaff
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, United States
- Division of Materials Science and Engineering, Boston University, Boston, Massachusetts 02215, United States
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9
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MUC-1 aptamer conjugated InP/ZnS quantum dots/nanohydrogel fluorescent composite for mitochondria-mediated apoptosis in MCF-7 cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 118:111469. [PMID: 33255050 DOI: 10.1016/j.msec.2020.111469] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 07/18/2020] [Accepted: 08/26/2020] [Indexed: 12/13/2022]
Abstract
The combined use of nanohydrogels (NHGs) and quantum dots (QDs) has resulted in the development of a nanoscaled drug delivery system (DDS) with fluorescence imaging potential. NHG-QDs composite loaded with anti-cancer drugs could be applied as an effective theranostics for simultaneous diagnosis and therapy of cancer cells. Here, we report on the synthesis of NHG-QDs nanosystem (NS) conjugated with an amino-modified MUC-1 aptamer (Ap) and loaded with hydrophobic paclitaxel (PTX). To effectively target and eradicate breast cancer MCF-7 cells, the nanocomposite was further loaded with the inhibitor of lactate dehydrogenase (LDH), sodium oxamate (SO) (Ap-NHG-QDs-PTX-SO) to inhibit the conversion of pyruvate to lactate via LDH and disrupting glycolysis. Results obtained from in vitro analysis (MTT assay, apoptosis/necrosis assessment, evaluation of mitochondria targeting, and gene expression profiling) revealed that Ap-NHG-QDs-PTX-SO NS could significantly target and inhibit MCF-7 cells and also induce mitochondria-mediated apoptosis. Collectively, the Ap-NHG-QDs-PTX-SO NS is proposed to serve as a robust theranostics for simultaneous imaging and therapy of breast cancer and other types of solid tumors.
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Li Y. Reed Membrane as a Novel Immobilization Matrix for the Development of an Optical Phenol Biosensor. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411015666190617105551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Biocompatible and easily available immobilization matrix is vital for the
construction of enzyme-based biosensor.
Methods:
Reed membrane was selected as a novel immobilization matrix to construct an optical
phenol biosensor. Tyrosinase from mushroom was immobilized in a reed membrane using glutaraldehyde
as a cross-linker. The detection scheme was based on the measurement of the color intensity
of the adduct resulting from the reaction of 3-methyl-2-benzothiazolinone hydrazone (MBTH) with
the quinone produced from the oxidation of phenol by tyrosinase. The performance of such method
including specificity, sensitivity, repeatability and practical use were validated.
Results:
The prepared biosensor demonstrated optimum performance at pH 6-7, temperature of 40°C
and a linear response in the phenol concentration range of 5-100 μM. It also showed good operation
stability for repeated measurements (over 200 times) and good storage stability after it had been kept
at 4°C for 2 months.
Conclusion:
Reed membrane is a novel matrix for immobilization of enzyme. The prepared biosensor
permits good sensitivity, reproducibility and stability. It is anticipated that reed membrane is a
promising solid support for fabricating other enzyme-based biosensors.
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Affiliation(s)
- Yongjin Li
- College of Life Science, Huzhou University, Huzhou 313000, China
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Qasemi S, Ghaemy M. Novel superabsorbent biosensor nanohydrogel based on gum tragacanth polysaccharide for optical detection of glucose. Int J Biol Macromol 2020; 151:901-908. [DOI: 10.1016/j.ijbiomac.2020.02.231] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 02/19/2020] [Accepted: 02/20/2020] [Indexed: 01/15/2023]
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Li D, Zhai S, Song R, Liu Z, Wang W. Determination of cis-diol-containing flavonoids in real samples using boronate affinity quantum dots coated with imprinted silica based on controllable oriented surface imprinting approach. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 227:117542. [PMID: 31685427 DOI: 10.1016/j.saa.2019.117542] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 09/15/2019] [Accepted: 09/16/2019] [Indexed: 05/11/2023]
Abstract
Novel boronate affinity imprinted quantum dots (BA-CdTe@MIPs QDs) were used to develop a selective and sensitive fluorescent nanosensor for determination of cis-diol-containing flavonoids such as quercetin (Qu), baicalein (Bai) and luteolin (Lut) based on controllable oriented surface imprinting approach. The boronate affinity imprinted silica was used as recognition elements. Under the optimum conditions, the imprinting factor (IF) for Qu, Bai and Lut was evaluated to be 9.42, 6.58 and 10.91, respectively. The results indicated that the boronate affinity quantum dots coated with imprinted silica were successfully prepared. The obtained BA-CdTe@MIPs QDs provided high selectivity and high sensitivity for cis-diol-containing flavonoids such as quercetin and luteolin. The BA-CdTe@MIPs QDs exhibited linear decrease in fluorescence intensity with the increase of concentration of quercetin in the 0.05-25 μM concentration range. The detection limit (LOD) is evaluated to be 0.02 μM. The obtained fluorescent nanosensor could be successfully applied to efficient detection of cis-diol-containing flavonoids in onion skin and human urine samples. The recoveries for the spiked onion skin and urine samples were evaluated to be 83.50-104.00% and 86.67-105.00%, respectively. Clearly, this study provides a rapid and efficient fluorescent detection tool for cis-diol-containing flavonoids in real samples.
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Affiliation(s)
- Daojin Li
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Fuction-Oriented Porous Materials, Luoyang Normal University, Luoyang, 471934, PR China.
| | - Simeng Zhai
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Fuction-Oriented Porous Materials, Luoyang Normal University, Luoyang, 471934, PR China
| | - Rumeng Song
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Fuction-Oriented Porous Materials, Luoyang Normal University, Luoyang, 471934, PR China
| | - Zheyao Liu
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Fuction-Oriented Porous Materials, Luoyang Normal University, Luoyang, 471934, PR China
| | - Weizhou Wang
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Fuction-Oriented Porous Materials, Luoyang Normal University, Luoyang, 471934, PR China
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Kim M, Kwon JE, Lee K, Koh WG. Signal-amplifying nanoparticle/hydrogel hybrid microarray biosensor for metal-enhanced fluorescence detection of organophosphorus compounds. Biofabrication 2018; 10:035002. [DOI: 10.1088/1758-5090/aab004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Liang XY, Wang L, Chang ZY, Ding LS, Li BJ, Zhang S. Reusable Xerogel Containing Quantum Dots with High Fluorescence Retention. Polymers (Basel) 2018; 10:polym10030310. [PMID: 30966345 PMCID: PMC6414965 DOI: 10.3390/polym10030310] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 03/02/2018] [Accepted: 03/07/2018] [Indexed: 12/03/2022] Open
Abstract
Although various analytical methods have been established based on quantum dots (QDs), most were conducted in solution, which is inadequate for storage/transportation and rapid analysis. Moreover, the potential environmental problems caused by abandoned QDs cannot be ignored. In this paper, a reusable xerogel containing CdTe with strong emission is established by introducing host–guest interactions between QDs and polymer matrix. This xerogel shows high QDs loading capacity without decrease or redshift in fluorescence (the maximum of loading is 50 wt % of the final xerogel), which benefits from the steric hindrance of β-cyclodextrin (βCD) molecules. Host–guest interactions immobilize QDs firmly, resulting in the excellent fluorescence retention of the xerogel. The good detecting performance and reusability mean this xerogel could be employed as a versatile analysis platform (for quantitative and qualitative analyses). In addition, the xerogel can be self-healed by the aid of water.
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Affiliation(s)
- Xiang-Yong Liang
- Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Lu Wang
- Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Zhi-Yi Chang
- Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
- College of Life Sciences, University of Chinese Academy of Sciences, Beijing 100049, China.
| | - Li-Sheng Ding
- Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
| | - Bang-Jing Li
- Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China.
| | - Sheng Zhang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute of Sichuan University, Sichuan University, Chengdu 610065, China.
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Rodríguez-Ruiz I, Babenko V, Martínez-Rodríguez S, Gavira JA. Protein separation under a microfluidic regime. Analyst 2017; 143:606-619. [PMID: 29214270 DOI: 10.1039/c7an01568b] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Lab-on-a-Chip (LoC), or micro-Total Analysis Systems (μTAS), is recognized as a powerful analytical technology with high capabilities, though end-user products for protein purification are still far from being available on the market. Remarkable progress has been achieved in the separation of nucleic acids and proteins using electrophoretic microfluidic devices, while pintsize devices have been developed for protein isolation according to miniaturized chromatography principles (size, charge, affinity, etc.). In this work, we review the latest advances in the fabrication of components, detection methods and commercial implementation for the separation of biological macromolecules based on microfluidic systems, with some critical remarks on the perspectives of their future development towards standardized microfluidic systems and protocols. An outlook on the current needs and future applications is also presented.
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Affiliation(s)
| | - V Babenko
- Laboratorio de Estudios Cristalograficos, Instituto Andaluz de Ciencias de la Tierra, CSIC-University of Granada, Avenida de las Palmeras 4, 18100 Armilla, Granada, Spain.
| | - S Martínez-Rodríguez
- Department of Biochemistry and Molecular Biology III and Immunology. University of Granada, Granada, Spain
| | - J A Gavira
- Laboratorio de Estudios Cristalograficos, Instituto Andaluz de Ciencias de la Tierra, CSIC-University of Granada, Avenida de las Palmeras 4, 18100 Armilla, Granada, Spain.
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Wang X, Jiang X, Zhu S, Liu L, Xia J, Li L. Preparation of optical functional composite films and their application in protein detection. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.09.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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17
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The Investigation of Electrochemistry Behaviors of Tyrosinase Based on Directly-Electrodeposited Grapheneon Choline-Gold Nanoparticles. Molecules 2017. [PMID: 28644401 PMCID: PMC6152276 DOI: 10.3390/molecules22071047] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A novel catechol (CA) biosensor was developed by embedding tyrosinase (Tyr) onto in situ electrochemical reduction graphene (EGR) on choline-functionalized gold nanoparticle (AuNPs-Ch) film. The results of UV-Vis spectra indicated that Tyr retained its original structure in the film, and an electrochemical investigation of the biosensor showed a pair of well-defined, quasi-reversible redox peaks with Epa = -0.0744 V and Epc = -0.114 V (vs. SCE) in 0.1 M, pH 7.0 sodium phosphate-buffered saline at a scan rate of 100 mV/s. The transfer rate constant ks is 0.66 s-1. The Tyr-EGR/AuNPs-Ch showed a good electrochemical catalytic response for the reduction of CA, with the linear range from 0.2 to 270 μM and a detection limit of 0.1 μM (S/N = 3). The apparent Michaelis-Menten constant was estimated to be 109 μM.
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Benito-Peña E, Valdés MG, Glahn-Martínez B, Moreno-Bondi MC. Fluorescence based fiber optic and planar waveguide biosensors. A review. Anal Chim Acta 2016; 943:17-40. [PMID: 27769374 PMCID: PMC7094704 DOI: 10.1016/j.aca.2016.08.049] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 08/25/2016] [Accepted: 08/29/2016] [Indexed: 12/21/2022]
Abstract
The application of optical biosensors, specifically those that use optical fibers and planar waveguides, has escalated throughout the years in many fields, including environmental analysis, food safety and clinical diagnosis. Fluorescence is, without doubt, the most popular transducer signal used in these devices because of its higher selectivity and sensitivity, but most of all due to its wide versatility. This paper focuses on the working principles and configurations of fluorescence-based fiber optic and planar waveguide biosensors and will review biological recognition elements, sensing schemes, as well as some major and recent applications, published in the last ten years. The main goal is to provide the reader a general overview of a field that requires the joint collaboration of researchers of many different areas, including chemistry, physics, biology, engineering, and material science.
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Affiliation(s)
- Elena Benito-Peña
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University, 28040 Madrid, Spain
| | - Mayra Granda Valdés
- Department of Analytical Chemistry, Faculty of Chemistry, University of La Habana, 10400 La Habana, Cuba
| | - Bettina Glahn-Martínez
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University, 28040 Madrid, Spain
| | - Maria C Moreno-Bondi
- Department of Analytical Chemistry, Faculty of Chemistry, Complutense University, 28040 Madrid, Spain.
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Dwiecki K, Nogala-Kałucka M, Polewski K. Determination of Total Phenolic Compounds in Common Beverages Using CdTe Quantum Dots. J FOOD PROCESS PRES 2016. [DOI: 10.1111/jfpp.12863] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Krzysztof Dwiecki
- Department of Food Biochemistry and Analysis; Poznan University of Life Sciences; 60-623 Poznan Poland
| | - Małgorzata Nogala-Kałucka
- Department of Food Biochemistry and Analysis; Poznan University of Life Sciences; 60-623 Poznan Poland
| | - Krzysztof Polewski
- Department of Physics; Poznan University of Life Sciences; 60-637 Poznan Poland
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20
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Kong W, Yang X, Yang M, Zhou H, Ouyang Z, Zhao M. Photoluminescent nanosensors capped with quantum dots for high-throughput determination of trace contaminants: Strategies for enhancing analytical performance. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2015.07.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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21
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Liu W, Zhang W, Yu X, Zhang G, Su Z. Synthesis and biomedical applications of fluorescent nanogels. Polym Chem 2016. [DOI: 10.1039/c6py01021k] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fluorescent nanogel is an innovative biomedical material with hydroscopicity, degradability, and responsiveness.
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Affiliation(s)
- Wei Liu
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing
- China
| | - Wensi Zhang
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing
- China
| | - Xiaoqing Yu
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing
- China
| | - Guanghua Zhang
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing
- China
| | - Zhiqiang Su
- State Key Laboratory of Chemical Resource Engineering
- Beijing University of Chemical Technology
- Beijing
- China
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22
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Diaz-Diestra D, Beltran-Huarac J, Bracho-Rincon DP, González-Feliciano JA, González CI, Weiner BR, Morell G. Biocompatible ZnS:Mn quantum dots for reactive oxygen generation and detection in aqueous media. JOURNAL OF NANOPARTICLE RESEARCH : AN INTERDISCIPLINARY FORUM FOR NANOSCALE SCIENCE AND TECHNOLOGY 2015; 17:461. [PMID: 26692814 PMCID: PMC4666270 DOI: 10.1007/s11051-015-3269-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 11/19/2015] [Indexed: 05/18/2023]
Abstract
ABSTRACT We report here the versatility of Mn-doped ZnS quantum dots (ZnS:Mn QDs) synthesized in aqueous medium for generating reactive oxygen species and for detecting cells. Our experiments provide evidence leading to the elimination of Cd-based cores in CdSe/ZnS systems by substitution of Mn-doped ZnS. Advanced electron microscopy, X-ray diffraction, and optical spectroscopy were applied to elucidate the formation, morphology, and dispersion of the products. We study for the first time the ability of ZnS:Mn QDs to act as immobilizing agents for Tyrosinase (Tyr) enzyme. It was found that ZnS:Mn QDs show no deactivation of Tyr enzyme, which efficiently catalyzed the hydrogen peroxide (H2O2) oxidation and its eventual reduction (-0.063 V vs. Ag/AgCl) on the biosensor surface. The biosensor showed a linear response in the range of 12 μmol/L-0.1 mmol/L at low operation potential. Our observations are explained in terms of a catalase-cycled kinetic mechanism based on the binding of H2O2 to the axial position of one of the active copper sites of the oxy-Tyr during the catalase cycle to produce deoxy-Tyr. A singlet oxygen quantum yield of 0.62 in buffer and 0.54 in water was found when ZnS:Mn QDs were employed as a photosensitizer in the presence of a chemical scavenger and a standard dye. These results are consistent with a chemical trapping energy transfer mechanism. Our results also indicate that ZnS:Mn QDs are well tolerated by HeLa Cells reaching cell viabilities as high as 88 % at 300 µg/mL of QDs for 24 h of incubation. The ability of ZnS:Mn QDs as luminescent nanoprobes for bioimaging is also discussed. GRAPHICAL ABSTRACT
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Affiliation(s)
- Daysi Diaz-Diestra
- />Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926 USA
- />Department of Chemistry, University of Puerto Rico - Río Piedras, San Juan, PR 00936 USA
| | - Juan Beltran-Huarac
- />Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926 USA
- />Department of Physics, University of Puerto Rico - Río Piedras, San Juan, PR 00936 USA
| | - Dina P. Bracho-Rincon
- />Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926 USA
- />Department of Biology, University of Puerto Rico - Río Piedras, San Juan, PR 00931 USA
| | - José A. González-Feliciano
- />Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926 USA
- />Department of Biology, University of Puerto Rico - Río Piedras, San Juan, PR 00931 USA
| | - Carlos I. González
- />Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926 USA
- />Department of Biology, University of Puerto Rico - Río Piedras, San Juan, PR 00931 USA
- />Department of Biochemistry, School of Medicine, University of Puerto Rico – Medical Sciences, San Juan, PR 00936 USA
| | - Brad R. Weiner
- />Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926 USA
- />Department of Chemistry, University of Puerto Rico - Río Piedras, San Juan, PR 00936 USA
| | - Gerardo Morell
- />Molecular Sciences Research Center, University of Puerto Rico, San Juan, PR 00926 USA
- />Department of Physics, University of Puerto Rico - Río Piedras, San Juan, PR 00936 USA
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23
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Romanov V, Davidoff SN, Miles AR, Grainger DW, Gale BK, Brooks BD. A critical comparison of protein microarray fabrication technologies. Analyst 2015; 139:1303-26. [PMID: 24479125 DOI: 10.1039/c3an01577g] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Of the diverse analytical tools used in proteomics, protein microarrays possess the greatest potential for providing fundamental information on protein, ligand, analyte, receptor, and antibody affinity-based interactions, binding partners and high-throughput analysis. Microarrays have been used to develop tools for drug screening, disease diagnosis, biochemical pathway mapping, protein-protein interaction analysis, vaccine development, enzyme-substrate profiling, and immuno-profiling. While the promise of the technology is intriguing, it is yet to be realized. Many challenges remain to be addressed to allow these methods to meet technical and research expectations, provide reliable assay answers, and to reliably diversify their capabilities. Critical issues include: (1) inconsistent printed microspot morphologies and uniformities, (2) low signal-to-noise ratios due to factors such as complex surface capture protocols, contamination, and static or no-flow mass transport conditions, (3) inconsistent quantification of captured signal due to spot uniformity issues, (4) non-optimal protocol conditions such as pH, temperature, drying that promote variability in assay kinetics, and lastly (5) poor protein (e.g., antibody) printing, storage, or shelf-life compatibility with common microarray assay fabrication methods, directly related to microarray protocols. Conventional printing approaches, including contact (e.g., quill and solid pin), non-contact (e.g., piezo and inkjet), microfluidics-based, microstamping, lithography, and cell-free protein expression microarrays, have all been used with varying degrees of success with figures of merit often defined arbitrarily without comparisons to standards, or analytical or fiduciary controls. Many microarray performance reports use bench top analyte preparations lacking real-world relevance, akin to "fishing in a barrel", for proof of concept and determinations of figures of merit. This review critiques current protein-based microarray preparation techniques commonly used for analytical and function-based proteomics and their effects on array-based assay performance.
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Affiliation(s)
- Valentin Romanov
- Wasatch Microfluidics, LLC, 825 N. 300 W., Suite C325, Salt Lake City, UT, USA.
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24
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Dwiecki K, Kwiatkowska P, Siger A, Staniek H, Nogala-Kałucka M, Polewski K. Determination of quercetin in onion (Allium cepa) using β-cyclodextrin-coated CdSe/ZnS quantum dot-based fluorescence spectroscopic technique. Int J Food Sci Technol 2015. [DOI: 10.1111/ijfs.12772] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Krzysztof Dwiecki
- Department of Food Biochemistry and Analysis; Poznan University of Life Sciences; Mazowiecka 48 60-623 Poznan Poland
| | - Paulina Kwiatkowska
- Department of Food Biochemistry and Analysis; Poznan University of Life Sciences; Mazowiecka 48 60-623 Poznan Poland
| | - Aleksander Siger
- Department of Food Biochemistry and Analysis; Poznan University of Life Sciences; Mazowiecka 48 60-623 Poznan Poland
| | - Halina Staniek
- Department of Human Nutrition and Hygiene; Poznan University of Life Sciences; Wojska Polskiego 31 60-624 Poznań Poland
| | - Małgorzata Nogala-Kałucka
- Department of Food Biochemistry and Analysis; Poznan University of Life Sciences; Mazowiecka 48 60-623 Poznan Poland
| | - Krzysztof Polewski
- Department of Physics; Poznan University of Life Sciences; Wojska Polskiego 38/42 60-637 Poznan Poland
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25
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Burrs SL, Vanegas DC, Rong Y, Bhargava M, Mechulan N, Hendershot P, Yamaguchi H, Gomes C, McLamore ES. A comparative study of graphene-hydrogel hybrid bionanocomposites for biosensing. Analyst 2015; 140:1466-76. [PMID: 25612313 DOI: 10.1039/c4an01788a] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Hydrogels have become increasingly popular as immobilization materials for cells, enzymes and proteins for biosensing applications. Enzymatic biosensors that utilize hydrogel as an encapsulant have shown improvements over other immobilization techniques such as cross linking and covalent bonding. However, to date there are no studies which directly compare multiple hydrogel-graphene nanocomposites using the same enzyme and test conditions. This study compares the performance of four different hydrogels used as protein encapsulants in a mediator-free biosensor based on graphene-nanometal-enzyme composites. Alcohol oxidase (AOx) was encapsulated in chitosan poly-N-isopropylacrylamide (PNIPAAM), silk fibroin or cellulose nanocrystals (CNC) hydrogels, and then spin coated onto a nanoplatinum-graphene modified electrode. The transduction mechanism for the biosensor was based on AOx-catalyzed oxidation of methanol to produce hydrogen peroxide. To isolate the effect(s) of stimulus response on biosensor behavior, all experiments were conducted at 25 °C and pH 7.10. Electroactive surface area (ESA), electrochemical impedance spectroscopy (EIS), sensitivity to methanol, response time, limit of detection, and shelf life were measured for each bionanocomposite. Chitosan and PNIPAAM had the highest sensitivity (0.46 ± 0.2 and 0.3 ± 0.1 μA mM(-1), respectively) and electroactive surface area (0.2 ± 0.06 and 0.2 ± 0.02 cm(2), respectively), as well as the fastest response time (4.3 ± 0.8 and 4.8 ± 1.1 s, respectively). Silk and CNC demonstrated lower sensitivity (0.09 ± 0.02 and 0.15 ± 0.03 μA mM(-1), respectively), lower electroactive surface area (0.12 ± 0.02 and 0.09 ± 0.03 cm(2), respectively), and longer response time (8.9 ± 2.1 and 6.3 ± 0.8 s, respectively). The high porosity of chitosan, PNIPAAM, and silk gels led to excellent transport, which was significantly better than CNC bionanocomposites. Electrochemical performance of CNC bionanocomposites were relatively poor, which may be linked to poor gel stability. The differences between the Chitosan/PNIPAAM group and the Silk/CNC group were statistically significant (p < 0.05) based on ANOVA. Each of these composites was within the range of other published devices in the literature, while some attributes were significantly improved (namely response time and shelf life). The main advantages of these hydrogel composites over other devices is that only one enzyme is required, all materials are non-toxic, the sensor does not require mediators/cofactors, and the shelf life and response time are significantly improved over other devices.
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Affiliation(s)
- S L Burrs
- Agricultural & Biological Engineering Department, University of Florida, 1741 Museum Road, Gainesville, FL, USA.
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26
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Wang X, He F, Zhu X, Tang F, Li L. Hybrid silver nanoparticle/conjugated polyelectrolyte nanocomposites exhibiting controllable metal-enhanced fluorescence. Sci Rep 2014; 4:4406. [PMID: 24638208 PMCID: PMC3957278 DOI: 10.1038/srep04406] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Accepted: 03/03/2014] [Indexed: 02/04/2023] Open
Abstract
Metal-enhanced fluorescence of conjugated polyelectrolytes (CPs) is realized using a simple, green hybrid Ag nanocomposite film. Ag nanoparticles (Ag NPs) are pre-prepared by sodium citrate reduction and incorporated into agarose by mixing to form an Ag-containing agarose film (Ag@agarose). Through variation of the amount of Ag NPs in the Ag@agarose film as well as the thickness of the interlayer between CPs and the Ag@agarose film prepared of layer-by-layer assembly of chitosan and sodium alginate, a maximum 8.5-fold increase in the fluorescence of CPs is obtained. After introducing tyrosinase, this system also can be used to detect phenolic compounds with high sensitivity and good visualization under ultraviolet light.
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Affiliation(s)
- Xiaoyu Wang
- 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
| | - Fang He
- 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
| | - Xi Zhu
- 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
| | - Fu Tang
- 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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27
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Puchberger-Enengl D, Krutzler C, Keplinger F, Vellekoop MJ. Single-step design of hydrogel-based microfluidic assays for rapid diagnostics. LAB ON A CHIP 2014; 14:378-83. [PMID: 24270543 DOI: 10.1039/c3lc50944c] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
For the first time we demonstrate a microfluidic platform for the preparation of biosensing hydrogels by in situ polymerization of polyethyleneglycol diacrylate (PEG-DA) in a single step. Capillary pressure barriers enable the precise formation of gel microstructures for fast molecule diffusion. Parallel arrangement of these finger structures allows for macroscopic and standard equipment readout methods. The analyte automatically fills the space in between the gel fingers by the hydrophilic nature of the gel. Introducing the functional structures in the chip fabrication allows for rapid assay customization by making surface treatment, gel curing mask alignment and washing steps obsolete. Simple handling and functionality are illustrated by assays for matrix metalloproteinase, an important factor in chronic wound healing. Assays for total protein concentration and cell counts are presented, demonstrating the possibilities for a wide range of fast and simple diagnostics.
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28
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Vashist A, Vashist A, Gupta YK, Ahmad S. Recent advances in hydrogel based drug delivery systems for the human body. J Mater Chem B 2014; 2:147-166. [DOI: 10.1039/c3tb21016b] [Citation(s) in RCA: 320] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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29
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Nanostructured CaCO3-poly(ethyleneimine) microparticles for phenol sensing in fluidic microsystem. Electrophoresis 2013; 34:2011-6. [DOI: 10.1002/elps.201300056] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Revised: 04/24/2013] [Accepted: 04/24/2013] [Indexed: 11/07/2022]
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30
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Liu S, Shi F, Zhao X, Chen L, Su X. 3-Aminophenyl boronic acid-functionalized CuInS2 quantum dots as a near-infrared fluorescence probe for the determination of dopamine. Biosens Bioelectron 2013; 47:379-84. [PMID: 23608539 DOI: 10.1016/j.bios.2013.03.055] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2013] [Revised: 03/01/2013] [Accepted: 03/14/2013] [Indexed: 01/15/2023]
Abstract
Water-soluble CuInS2 ternary quantum dots (QDs) capped by mercaptopropionic acid were directly synthesized in aqueous solution. Consequently, the CuInS2 QDs were covalently linked to 3-aminophenyl boronic acid molecules to form the 3-aminophenyl boronic acid-functionalized CuInS2 QDs (F-CuInS2 QDs). The F-CuInS2 QDs had a fairly symmetric fluorescence emission centered at 736nm that was in the near-infrared region (NIR). The F-CuInS2 QDs containing boronic acid functional groups were reactive toward vicinal diols to form five- or six-member cyclic esters in an alkaline aqueous solution. The reaction would cause the fluorescence quenching, which could be used as a fluorescence probe for the determination of dopamine (DA). This assay could also probe other vicinal diols such as catechol, pyrogallol, and gallate, based on the fluorescence quenching of the F-CuInS2 QDs, and this assay was nearly unaffected by other phenol compounds such as phenol, resorcinol, and hydroquinone without the vicinal diol structures. The developed F-CuInS2 QDs were applied to the detection of DA in human serum samples with satisfactory results. Therefore, this experment provided a simple and sensitve NIR fluorescence probe for the detection of DA, catechol, pyrogallol, and gallate.
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Affiliation(s)
- Siyu Liu
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China
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31
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Alkasir RSJ, Ornatska M, Andreescu S. Colorimetric Paper Bioassay for the Detection of Phenolic Compounds. Anal Chem 2012; 84:9729-37. [DOI: 10.1021/ac301110d] [Citation(s) in RCA: 142] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ramiz S. J. Alkasir
- Department of Chemistry and Bimolecular
Science, Clarkson University, Potsdam,
New York 13699-5810,
United States
| | - Maryna Ornatska
- Department of Chemistry and Bimolecular
Science, Clarkson University, Potsdam,
New York 13699-5810,
United States
| | - Silvana Andreescu
- Department of Chemistry and Bimolecular
Science, Clarkson University, Potsdam,
New York 13699-5810,
United States
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32
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Yan S, Huang R, Wang C, Zhou Y, Wang J, Fu B, Weng X, Zhou X. A Two-photon Fluorescent Probe for Intracellular Detection of Tyrosinase Activity. Chem Asian J 2012; 7:2782-5. [DOI: 10.1002/asia.201200762] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2012] [Indexed: 12/12/2022]
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33
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Yuan J, Gaponik N, Eychmüller A. Application of Polymer Quantum Dot-Enzyme Hybrids in the Biosensor Development and Test Paper Fabrication. Anal Chem 2012; 84:5047-52. [DOI: 10.1021/ac300714j] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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34
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Shamsipur M, Shanehasz M, Khajeh K, Mollania N, Kazemi SH. A novel quantum dot–laccase hybrid nanobiosensor for low level determination of dopamine. Analyst 2012; 137:5553-9. [DOI: 10.1039/c2an36035g] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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35
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Liu J, Yang X, Wang K, Wang Q, Ji H, Wu C, Li J, He X, Tang J, Huang J. Combining physical embedding and covalent bonding for stable encapsulation of quantum dots into agarose hydrogels. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c1jm13090k] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Vannoy CH, Tavares AJ, Noor MO, Uddayasankar U, Krull UJ. Biosensing with quantum dots: a microfluidic approach. SENSORS (BASEL, SWITZERLAND) 2011; 11:9732-63. [PMID: 22163723 PMCID: PMC3231262 DOI: 10.3390/s111009732] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2011] [Revised: 10/04/2011] [Accepted: 10/17/2011] [Indexed: 01/09/2023]
Abstract
Semiconductor quantum dots (QDs) have served as the basis for signal development in a variety of biosensing technologies and in applications using bioprobes. The use of QDs as physical platforms to develop biosensors and bioprobes has attracted considerable interest. This is largely due to the unique optical properties of QDs that make them excellent choices as donors in fluorescence resonance energy transfer (FRET) and well suited for optical multiplexing. The large majority of QD-based bioprobe and biosensing technologies that have been described operate in bulk solution environments, where selective binding events at the surface of QDs are often associated with relatively long periods to reach a steady-state signal. An alternative approach to the design of biosensor architectures may be provided by a microfluidic system (MFS). A MFS is able to integrate chemical and biological processes into a single platform and allows for manipulation of flow conditions to achieve, by sample transport and mixing, reaction rates that are not entirely diffusion controlled. Integrating assays in a MFS provides numerous additional advantages, which include the use of very small amounts of reagents and samples, possible sample processing before detection, ultra-high sensitivity, high throughput, short analysis time, and in situ monitoring. Herein, a comprehensive review is provided that addresses the key concepts and applications of QD-based microfluidic biosensors with an added emphasis on how this combination of technologies provides for innovations in bioassay designs. Examples from the literature are used to highlight the many advantages of biosensing in a MFS and illustrate the versatility that such a platform offers in the design strategy.
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Affiliation(s)
- Charles H. Vannoy
- Chemical Sensors Group, Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd. North, Mississauga, Ontario L5L 1C6, Canada; E-Mails: (C.H.V.); (A.J.T.); (M.O.N.); (U.U.)
| | | | | | | | - Ulrich J. Krull
- Chemical Sensors Group, Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd. North, Mississauga, Ontario L5L 1C6, Canada; E-Mails: (C.H.V.); (A.J.T.); (M.O.N.); (U.U.)
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