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Chen H, Cai Z, Gui J, Tang Y, Yin P, Zhu X, Zhang Y, Li H, Liu M, Yao S. A redox reaction-induced ratiometric fluorescence platform for the specific detection of ascorbic acid based on Ag 2S quantum dots and multifunctional CoOOH nanoflakes. J Mater Chem B 2023; 11:1279-1287. [PMID: 36651433 DOI: 10.1039/d2tb02438a] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
In this work, a ratiometric fluorescent nanoplatform for the detection of ascorbic acid (AA) was constructed based on the Ag2S quantum dots (QDs) and multifunctional hydroxyl cobalt oxide nanoflakes (CoOOH NFs). Ag2S QDs can be assembled on the surface of CoOOH NFs by electrostatic adsorption, resulting in the quenching of the NIR fluorescence emission of Ag2S QDs at 680 nm effectively through the inner filter effect (IFE). o-Phenylenediamine (OPD), a common substrate of oxidase-like (OXD) mimic, is rapidly oxidized into the fluorescent product of 2,3-diaminophenazine (DAP) with the appearance of an emission peak at 575 nm under the catalysis of CoOOH NFs. After AA was added, the fluorescence emission of DAP declined because of the decline in the OXD-like activity of CoOOH NFs due to the transformation of Co2+. Simultaneously, Ag2S QDs were released, accompanied by the recovery of red fluorescence. These two fluorescent signals can be excited at the same excitation wavelength, simplifying the detection procedure. Using F575/F680 as the readout, the quantification of AA can be realized with the linear range and detection limit of 0.2 μM-20 mM and 0.014 μM, respectively. The ratiometric fluorescence sensor can be effectively used to determine the content of AA in real samples such as juice and serum. This work integrates the in-situ formation of the fluorescent species via the catalysis of the nanozyme and the redox reaction to destroy the CoOOH NFs nanozyme as well as the two dimensional nanoflake induced turn-off-on strategy for Ag2S QDs, which provides a specific strategy for the selective detection of AA and may offer a reliable approach for the construction of other biosensing platforms.
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Affiliation(s)
- Haoyu Chen
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China.
| | - Zifu Cai
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China.
| | - Jialing Gui
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China.
| | - Ying Tang
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China.
| | - Peng Yin
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China.
| | - Xiaohua Zhu
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China.
| | - Youyu Zhang
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China.
| | - Haitao Li
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China.
| | - Meiling Liu
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China.
| | - Shouzhuo Yao
- Key Laboratory of Chemical Biology & Traditional Chinese Medicine Research (Ministry of Education, China), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, P. R. China.
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Chaudhary K, Kumar K, Venkatesu P, Masram DT. Protein immobilization on graphene oxide or reduced graphene oxide surface and their applications: Influence over activity, structural and thermal stability of protein. Adv Colloid Interface Sci 2021; 289:102367. [PMID: 33545443 DOI: 10.1016/j.cis.2021.102367] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 01/06/2021] [Accepted: 01/20/2021] [Indexed: 12/20/2022]
Abstract
Due to the essential role of biological macromolecules in our daily life; it is important to control the stability and activity of such macromolecules. Therefore, the most promising route for enhancement in stability and activity is immobilizing proteins on different support materials. Furthermore, large surface area and surface functional groups are the important features that are required for a better support system. These features of graphene oxide (GO) and reduced graphene oxide (RGO) makes them ideal support materials for protein immobilization. Studies show the successful formation of GO/RGO-protein complexes with enhancement in structural/thermal stability due to various interactions at the nano-bio interface and their utilization in various functional applications. The present review focuses on protein immobilization using GO/RGO as solid support materials. Moreover, we also emphasized on basic underlying mechanism and interactions (hydrophilic, hydrophobic, electrostatic, local protein-protein, hydrogen bonding and van der Walls) between protein and GO/RGO which influences structural stability and activity of enzymes/proteins. Furthermore, GO/RGO-protein complexes are utilized in various applications such as biosensors, bioimaging and theranostic agent, targeted drug delivery agents, and nanovectors for drug and protein delivery.
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Jing X, Chen L, Wang Y, Wang Y, Yang X, Dai J, Dai X, Jiang Y, Liu Y, Liu Z, Yan Y. Efficient removal of phosphate with La modified rGO/silica large-mesoporous films. J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2020.04.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Mogha NK, Gosain S, Masram DT. Lanthanum oxide nanoparticles immobilized reduced graphene oxide polymer brush nanohybrid for environmental vitiation of organic dyes. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2017.11.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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Jia H, Zhao J, Qin L, Zhao M, Liu G. The fabrication of an Ni 6MnO 8 nanoflake-modified acupuncture needle electrode for highly sensitive ascorbic acid detection. RSC Adv 2019; 9:26843-26849. [PMID: 35528607 PMCID: PMC9070663 DOI: 10.1039/c9ra03850g] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 08/09/2019] [Indexed: 11/29/2022] Open
Abstract
The current work describes the use of a steel acupuncture needle as an electrode substrate in order to construct an Ni6MnO8 nanoflake layer-modified microneedle sensor for highly sensitive ascorbic acid detection. For the purpose of constructing the functionalized acupuncture needle, first, a carbon film was layered on the needle surface as the seed layer. Subsequently, a straightforward hydrothermal reaction-calcination process was employed for the growth of Ni6MnO8 nanoflakes on the needle to function as a sensing interface. Electrochemical investigations illustrated the fact that the Ni6MnO8 nanoflake-altered acupuncture needle electrode manifested outstanding efficiency toward the amperometric identification of ascorbic acid. In addition, the electrode manifested elevated sensitivity of 3106 μA mM-1 cm-2, detection limit of 0.1 μM, and a broad linear range between 1.0 μM and 2.0 mM. As demonstrated by the results, the Ni6MnO8 nanoflake-modified acupuncture needle constitutes a potentially fresh platform to construct non-enzymatic ascorbic acid sensors.
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Affiliation(s)
- Hongliang Jia
- School of Physical Science and Technology, Southwest University Chongqing 400715 P. R. China +86 23 68254608 +86 23 68252355
| | - Jianwei Zhao
- School of Physical Science and Technology, Southwest University Chongqing 400715 P. R. China +86 23 68254608 +86 23 68252355
| | - Lirong Qin
- School of Physical Science and Technology, Southwest University Chongqing 400715 P. R. China +86 23 68254608 +86 23 68252355
| | - Min Zhao
- School of Physical Science and Technology, Southwest University Chongqing 400715 P. R. China +86 23 68254608 +86 23 68252355
| | - Gang Liu
- School of Physical Science and Technology, Southwest University Chongqing 400715 P. R. China +86 23 68254608 +86 23 68252355
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Mogha NK, Chaudhary K, Kumar G, Masram DT. Fur-Imine-Functionalized Graphene Oxide-Immobilized Copper Oxide Nanoparticle Catalyst for the Synthesis of Xanthene Derivatives. ACS OMEGA 2018; 3:16377-16385. [PMID: 31458273 PMCID: PMC6643562 DOI: 10.1021/acsomega.8b01781] [Citation(s) in RCA: 72] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 10/29/2018] [Indexed: 05/21/2023]
Abstract
Fur-imine-functionalized graphene oxide-immobilized copper oxide nanoparticles (Cu(II)-Fur-APTES/GO) are synthesized and found to be a cost-effective, efficient, and reusable heterogeneous nanocatalyst for the preparation of pharmaceutically important xanthene derivatives under greener solvent conditions. Cu(II)-Fur-APTES/GO exhibits excellent result in the synthesis of xanthenes with reduced reaction time (25-50 min) and higher yields (up to 95%) and has a simple procedure, ease of product separation, and no byproducts. Moreover, the nanocatalyst has a Cu loading of 13.5 at. % over functionalized GO which is far superior than the already known metal-based heterogeneous catalysts. The newly synthesized catalyst has been characterized by various physiochemical techniques such as X-ray photoelectron spectroscopy, X-ray diffraction, energy-dispersive X-ray, Raman spectroscopy for structural characterization, field emission scanning electron microscopy and high-resolution transmission electron microscopy for morphological characterization. The catalyst showed admirable recyclability up to five consecutive runs, and there was no appreciable loss in catalytic efficiency.
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Liang C, Zhang X, Zhao Y, Tan T, Zhang Y, Bakenov Z. Three-dimensionally ordered macro/mesoporous TiO 2 matrix to immobilize sulfur for high performance lithium/sulfur batteries. NANOTECHNOLOGY 2018; 29:415401. [PMID: 30036189 DOI: 10.1088/1361-6528/aad543] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A three-dimensionally (3D) ordered macro-/mesoporous TiO2 (3DOM-mTiO2) was synthesized via a simple solvothermal process. 3DOM-mTiO2 was used as a sulfur carrier for cathode materials in a lithium-sulfur (Li-S) battery. The orderly interconnected macro and mesopores structure within the macropore walls yield a large pore volume and high specific surface area in 3DOM-mTiO2, which improved the sulfur loading capacity of the material. The S/TiO2 composite was synthesized as a cathode material for lithium/sulfur battery, which initially produced a high capacity of 1089 mAh g-1 and retained a value of 703 mAh g-1 after 200 cycles. An initial current rate of 0.2 C was used, which was further increased up to 2.5 C when a reversible capacity of 651 mAh g-1 was obtained. The excellent electrochemical performance can be attributed to the 3D ordered macro-/mesoporous structure of TiO2, which physically confines the soluble lithium polysulfides and diminishes the sulfur volume expansion upon cycling. In addition, the strong electrostatic attraction between the Ti-O bond and polysulfide stimulates the performance via stronger adsorption of the electrochemical reaction products.
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Affiliation(s)
- Chunyong Liang
- School of Materials Science and Engineering, Research Institute for Energy Equipment Materials, Hebei University of Technology, Tianjin 300130, People's Republic of China
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Mogha NK, Sahu V, Sharma RK, Masram DT. Reduced graphene oxide nanoribbon immobilized gold nanoparticle based electrochemical DNA biosensor for the detection of Mycobacterium tuberculosis. J Mater Chem B 2018; 6:5181-5187. [PMID: 32254545 DOI: 10.1039/c8tb01604f] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Tuberculosis is one of the most dreadful diseases caused by Mycobacterium tuberculosis with more than 9 million individuals suffering from it in 2014. Traditional methods of detection are not efficient enough for its quick and reliable detection; therefore, it is imperative to develop methods of its detection in the early stages. Consequently, we report a highly sensitive and selective biosensor for detection of Mycobacterium tuberculosis. In this work, gold nanoparticles (AuNPs, dia. ∼6 nm, 1.81 wt% loading) are immobilized over reduced graphene oxide nanoribbons (RGONRs). An ssDNA/Au/RGONR electrode is prepared by immobilizing Au nanoparticles followed by covalent modification of Au nanoparticles with 5'SH-ssDNA. As per the best knowledge of the authors, the target DNA of Mycobacterium tuberculosis is detected using a ssDNA/Au/RGONR bioelectrode by cyclic voltammetry and chronoamperometric methods for the first time. With high detection efficiency (0.1 fM), the ssDNA/Au/RGONR bioelectrode exhibited better signal amplification and electrochemical response as compared to bare Au and RGONR electrodes. Additionally, the ssDNA/Au/RGONR bioelectrode displayed good linear response to different concentrations of target M. tuberculosis DNA. The ssDNA/Au/RGONR has shown excellent specificity (92%) to Mycobacterium tuberculosis target DNA as compared with non-complementary DNA. The Au/RGONR matrix has the potential to be used as an immobilization platform for single-stranded probe DNAs of different diseases other than tuberculosis reported here.
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Brabu B, Haribabu S, Revathy M, Anitha S, Thangapandiyan M, Navaneethakrishnan KR, Gopalakrishnan C, Murugan SS, Kumaravel TS. Biocompatibility studies on lanthanum oxide nanoparticles. Toxicol Res (Camb) 2015. [DOI: 10.1039/c4tx00198b] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Biocompatibility on lanthanum oxide nanoparticles (LONP) were investigated. LONP was cytotoxic to balb/3T3 cells via release of ROS. LONP and/or extracts were non-irritant, non-sensitizer and non-mutagenic. LONP extracts did not show acute systemic toxicity. Whereas, LONP exerted hepatotoxicity following oral administration.
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Affiliation(s)
- B. Brabu
- Nanotechnology Research Center and GLR Laboratories
- Academic–Industry Joint Collaborative Research Unit
- SRM University
- Chennai
- India
| | - S. Haribabu
- Nanotechnology Research Center and GLR Laboratories
- Academic–Industry Joint Collaborative Research Unit
- SRM University
- Chennai
- India
| | - M. Revathy
- Nanotechnology Research Center and GLR Laboratories
- Academic–Industry Joint Collaborative Research Unit
- SRM University
- Chennai
- India
| | - S. Anitha
- UNAM-National Nanotechnology Research Centre
- Bilkent University
- Ankara
- Turkey
| | - M. Thangapandiyan
- Department of Veterinary Pathology
- Madras Veterinary College
- Chennai 600007
- India
| | - K. R. Navaneethakrishnan
- Nanotechnology Research Center and GLR Laboratories
- Academic–Industry Joint Collaborative Research Unit
- SRM University
- Chennai
- India
| | - C. Gopalakrishnan
- Nanotechnology Research Center and GLR Laboratories
- Academic–Industry Joint Collaborative Research Unit
- SRM University
- Chennai
- India
| | - S. S. Murugan
- Nanotechnology Research Center and GLR Laboratories
- Academic–Industry Joint Collaborative Research Unit
- SRM University
- Chennai
- India
| | - T. S. Kumaravel
- Nanotechnology Research Center and GLR Laboratories
- Academic–Industry Joint Collaborative Research Unit
- SRM University
- Chennai
- India
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