1
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Sinha A, So H. Synthesis of chiral graphene structures and their comprehensive applications: a critical review. NANOSCALE HORIZONS 2024. [PMID: 39171372 DOI: 10.1039/d4nh00021h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/23/2024]
Abstract
From a molecular viewpoint, chirality is a crucial factor in biological processes. Enantiomers of a molecule have identical chemical and physical properties, but chiral molecules found in species exist in one enantiomer form throughout life, growth, and evolution. Chiral graphene materials have considerable potential for application in various domains because of their unique structural framework, properties, and controlled synthesis, including chiral creation, segregation, and transmission. This review article provides an in-depth analysis of the synthesis of chiral graphene materials reported over the past decade, including chiral nanoribbons, chiral tunneling, chiral dichroism, chiral recognition, and chiral transfer. The second segment focuses on the diverse applications of chiral graphene in biological engineering, electrochemical sensors, and photodetectors. Finally, we discuss research challenges and potential future uses, along with probable outcomes.
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Affiliation(s)
- Animesh Sinha
- Department of Mechanical Convergence Engineering, Hanyang University, Seoul 04763, South Korea.
| | - Hongyun So
- Department of Mechanical Convergence Engineering, Hanyang University, Seoul 04763, South Korea.
- Institute of Nano Science and Technology, Hanyang University, Seoul 04763, South Korea
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2
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Zhang L, Xiao J, Xu X, Li K, Li D, Li J. Functionalized Chiral Materials for Use in Chiral Sensors. Crit Rev Anal Chem 2024:1-20. [PMID: 39012839 DOI: 10.1080/10408347.2024.2376233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/18/2024]
Abstract
Chirality represents a fundamental attribute within living systems and is a pervasive phenomenon in the natural world. The identification and analysis of chiral materials within natural environments and biological systems hold paramount importance in clinical, chemical, and biological sciences. Within chiral analysis, there is a burgeoning focus on developing chiral sensors exhibiting exceptional selectivity, sensitivity, and stability, marking it as a forefront area of research. In the past decade (2013-2023), approximately 1990 papers concerning the application of various chiral materials in chiral sensors have been published. Biological materials and nanomaterials have important applications in the development of chiral sensors, which accounting for 26.67% and 45.24% of the material-related applications in these sensors, respectively; moreover, the development of chiral nanomaterials is closely related to the development of portable and stable chiral sensors. Natural chiral materials, utilized as selective recognition units, are combined with carriers characterized by good physical and chemical properties through functionalization to form various functional chiral materials, which improve the recognition efficiency of chiral sensors. In this article, from the perspective of biological materials, polymer materials, nanomaterials, and other functional chiral materials, the applications of chiral sensors are summarized and the research prospects of chiral sensors are discussed.
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Affiliation(s)
- Lianming Zhang
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, China
| | - Jiaxi Xiao
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, China
| | - Xuemei Xu
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, China
| | - Kaiting Li
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, China
| | - Dan Li
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, China
| | - Jianping Li
- Guangxi Key Laboratory of Electrochemical and Magnetochemical Functional Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin, China
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3
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Hao C. Recent Progress in Detecting Enantiomers in Food. Molecules 2024; 29:1106. [PMID: 38474618 DOI: 10.3390/molecules29051106] [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: 01/11/2024] [Revised: 02/25/2024] [Accepted: 02/28/2024] [Indexed: 03/14/2024] Open
Abstract
The analysis of enantiomers in food has significant implications for food safety and human health. Conventional analytical methods employed for enantiomer analysis, such as gas chromatography and high-performance liquid chromatography, are characterized by their labor-intensive nature and lengthy analysis times. This review focuses on the development of rapid and reliable biosensors for the analysis of enantiomers in food. Electrochemical and optical biosensors are highlighted, along with their fabrication methods and materials. The determination of enantiomers in food can authenticate products and ensure their safety. Amino acids and chiral pesticides are specifically discussed as important chiral substances found in food. The use of sensors replaces expensive reagents, offers real-time analysis capabilities, and provides a low-cost screening method for enantiomers. This review contributes to the advancement of sensor-based methods in the field of food analysis and promotes food authenticity and safety.
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Affiliation(s)
- Changlong Hao
- School of Food Science and Technology, State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China
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4
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Liu H, Chen J, Chen M, Wang J, Qiu H. Recent development of chiral ionic liquids for enantioseparation in liquid chromatography and capillary electrophoresis: A review. Anal Chim Acta 2023; 1274:341496. [PMID: 37455089 DOI: 10.1016/j.aca.2023.341496] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 06/04/2023] [Accepted: 06/05/2023] [Indexed: 07/18/2023]
Abstract
Ionic liquids (ILs), which are salts in a molten state below 100 °C, have become a hot topic of research in various fields because of their negligible vapour pressure, high thermal stability, and tunable viscosity. Chiral ionic liquids (CILs) can be applied in chromatography and capillary electrophoresis fields to improve the performance of enantiomeric separation, such as chiral stationary phases (CSPs) and mobile phase additives in high-performance liquid chromatography (HPLC); CSPs in gas chromatography (GC); and background electrolyte additives (BGE), chiral ligands and chiral selectors (CSs) in capillary electrophoresis (CE). This review focuses on the applications of CILs in HPLC and CE for the separation of enantiomers in the past five years. The mechanism for separating enantiomers was explained, and the prospect of the application of CILs in chiral liquid chromatography (LC) and CE analysis was also discussed.
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Affiliation(s)
- Huifeng Liu
- Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China; CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
| | - Jia Chen
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China.
| | - Mingli Chen
- Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China
| | - Jianhua Wang
- Department of Chemistry, College of Sciences, Northeastern University, Shenyang, 110819, China.
| | - Hongdeng Qiu
- CAS Key Laboratory of Chemistry of Northwestern Plant Resources and Key Laboratory for Natural Medicine of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China; College of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, 341000, China.
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5
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Pan QX, Yang YC, Zhao NN, Zhang B, Cui L, Zhang CY. Development of a chiral electrochemical sensor based on copper-amino acid mercaptide nanorods for enantioselective discrimination of tryptophan enantiomers. Anal Chim Acta 2023; 1272:341480. [PMID: 37355327 DOI: 10.1016/j.aca.2023.341480] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 06/02/2023] [Accepted: 06/03/2023] [Indexed: 06/26/2023]
Abstract
Chirality is an important property of nature and it regulates fundamental phenomena in nature and organisms. Here, we develop a chiral electrochemical sensor based on copper-amino acid mercaptide nanorods (L-CuCys NRs) to discriminate tryptophan (Trp) isomers. The chiral L-CuCys NRs are prepared in alkaline solution based on the facile coordination reaction between the sulfhydryl groups of L-Cys and copper ions. Since the stability constant (K) of L-CuCys NRs with L-Trp (752) are much higher than that of L-CuCys NRs with D-Trp (242), the cross-linking bonds between L-CuCys NRs and L-Trp are more stable than those between L-CuCys NRs and D-Trp. Consequently, this electrochemical sensor can selectively recognize the Trp isomers with an enantiomeric electrochemical difference ratio (IL-Trp/ID-Trp) of 3.22, and it exhibits a detection limit of 0.26 μM for L-Trp. Moreover, this electrochemical sensor can quantitatively measure Trp isomers in complex samples. Importantly, this electrochemical sensor has the characteristics of high stability, good repeatability, easy fabrication, low cost, and efficient discrimination of tryptophan (Trp) isomers.
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Affiliation(s)
- Qian-Xiu Pan
- College of Pharmacy, Department of Pathology, Weifang Medical University, Weifang, 261053, China
| | - Yun-Cong Yang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, China
| | - Ning-Ning Zhao
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, China
| | - Baogang Zhang
- College of Pharmacy, Department of Pathology, Weifang Medical University, Weifang, 261053, China.
| | - Lin Cui
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan, 250014, China.
| | - Chun-Yang Zhang
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China.
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6
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Niu X, Zhao R, Yan S, Pang Z, Li H, Yang X, Wang K. Chiral Materials: Progress, Applications, and Prospects. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2303059. [PMID: 37217989 DOI: 10.1002/smll.202303059] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 05/10/2023] [Indexed: 05/24/2023]
Abstract
Chirality is a universal phenomenon in molecular and biological systems, denoting an asymmetric configurational property where an object cannot be superimposed onto its mirror image by any kind of translation or rotation, which is ubiquitous on the scale from neutrinos to spiral galaxies. Chirality plays a very important role in the life system. Many biological molecules in the life body show chirality, such as the "codebook" of the earth's biological diversity-DNA, nucleic acid, etc. Intriguingly, living organisms hierarchically consist of homochiral building blocks, for example, l-amino acids and d-sugars with unknown reason. When molecules with chirality interact with these chiral factors, only one conformation favors the positive development of life, that is, the chiral host environment can only selectively interact with chiral molecules of one of the conformations. The differences in chiral interactions are often manifested by chiral recognition, mutual matching, and interactions with chiral molecules, which means that the stereoselectivity of chiral molecules can produce changes in pharmacodynamics and pathology. Here, the latest investigations are summarized including the construction and applications of chiral materials based on natural small molecules as chiral source, natural biomacromolecules as chiral sources, and the material synthesized by design as a chiral source.
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Affiliation(s)
- Xiaohui Niu
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
| | - Rui Zhao
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
| | - Simeng Yan
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
| | - Zengwei Pang
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
| | - Hongxia Li
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
| | - Xing Yang
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, P. R. China
| | - Kunjie Wang
- College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, 730050, P. R. China
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7
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Gano M, Janus E, Schilf W. Chiral Pyrrolidinium Ionic Liquids with (-)-Borneol Fragment in the Cation - Synthesis, Physicochemical Properties and Application in Diels-Alder Reaction. Chemphyschem 2023; 24:e202300251. [PMID: 37278666 DOI: 10.1002/cphc.202300251] [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: 04/06/2023] [Revised: 06/06/2023] [Accepted: 06/06/2023] [Indexed: 06/07/2023]
Abstract
A series of chiral pyrrolidinium salts containing (1 S)-endo-(-)-born-2-yloxymethyl substituent in the structure of the cation and six different anions: chloride, tetrafluoroborate [BF4 ]- , hexafluorophosphate [PF6 ]- , trifluoromethanesulfonate [OTf]- , bis(trifluoromethylsulfonyl)imide [NTf2 ]- , bis(pentafluoroethylsulfonyl)imide [NPf2 ]- and perfluorobutanesulfonate [C4 FS]- were efficiently prepared and extensively characterized. The enantiomeric purity of them was confirmed by NMR analysis with a chemical shift reagent. All salts were characterized with the specific rotation, the solubility in commonly used solvents, thermal properties, including phase transition temperatures and thermal stability. Salts with [PF6 ]- , [C4 FS]- , [NTf2 ]- and [NPf2 ]- anions were classified as chiral ionic liquids (CILs). Moreover, salts with [NTf2 ]- and [NPf2 ]- anions were in the liquid state at room temperature and below. Therefore, density and dynamic viscosity, the surface tension and the contact angle on three different surfaces were also measured for them. Additionally, these chiral ionic liquids were tested as solvents in Diels-Alder reaction.
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Affiliation(s)
- Marcin Gano
- Faculty of Chemical Technology and Engineering, Department of Chemical Organic Technology and Polymeric Materials, West Pomeranian University of Technology in Szczecin, Pułaskiego 10, 70-322, Szczecin, Poland
| | - Ewa Janus
- Faculty of Chemical Technology and Engineering, Department of Chemical Organic Technology and Polymeric Materials, West Pomeranian University of Technology in Szczecin, Pułaskiego 10, 70-322, Szczecin, Poland
| | - Wojciech Schilf
- Institute of Organic Chemistry, Polish Academy of Science, Kasprzaka 44/52, 01-224, Warsaw, Poland
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8
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Gao Q, Li Y, Li Q, Ma C, Shi C. Sensitive Dual Electrochemical-Colorimetric Point-of-Care (POC) Sensor for the Rapid Detection of Mycoplasma pneumoniae. ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2134887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Qian Gao
- Department of Pathogenic Biology, School of Basic Medicine, College of Life Sciences, Qingdao Nucleic Acid Rapid Testing International Science and Technology Cooperation Base, the Clinical Laboratory Department of the Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Yang Li
- Department of Pathogenic Biology, School of Basic Medicine, College of Life Sciences, Qingdao Nucleic Acid Rapid Testing International Science and Technology Cooperation Base, the Clinical Laboratory Department of the Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Qi Li
- Department of Pathogenic Biology, School of Basic Medicine, College of Life Sciences, Qingdao Nucleic Acid Rapid Testing International Science and Technology Cooperation Base, the Clinical Laboratory Department of the Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Cuiping Ma
- Shandong Provincial Key Laboratory of Biochemical Engineering, Qingdao Nucleic Acid Rapid Detection Engineering Research Center, College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao, China
| | - Chao Shi
- Department of Pathogenic Biology, School of Basic Medicine, College of Life Sciences, Qingdao Nucleic Acid Rapid Testing International Science and Technology Cooperation Base, the Clinical Laboratory Department of the Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
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9
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Fast and sensitive recognition of enantiomers by electrochemical chiral analysis: Recent advances and future perspectives. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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10
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Deng Y, Zhang Z, Pang Y, Zhou X, Wang Y, Zhang Y, Yuan Y. Common materials, extraordinary behavior: An ultrasensitive and enantioselective strategy for D-Tryptophan recognition based on electrochemical Au@p-L-cysteine chiral interface. Anal Chim Acta 2022; 1227:340331. [DOI: 10.1016/j.aca.2022.340331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/18/2022] [Accepted: 08/25/2022] [Indexed: 11/16/2022]
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11
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Li H, Wang L, Yan S, Chen J, Zhang M, Zhao R, Niu X, Wang K. Fusiform-like metal-organic framework for enantioselective discrimination of tryptophan enantiomers. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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12
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Wibowo D, Malik RHA, Mustapa F, Nakai T, Maulidiyah M, Nurdin M. Highly Synergistic Sensor of Graphene Electrode Functionalized with Rutile TiO 2 Microstructure to Detect L-Tryptophan Compound. J Oleo Sci 2022; 71:759-770. [PMID: 35387917 DOI: 10.5650/jos.ess21416] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Electrochemical processes are an effective method for detecting dangerous food ingredients. The synergetic between the reduction-oxidation (redox) processes inspired several papers and spurred research towards studying the new materials that can further adapt to optimize the rapid detection of chemical compounds. In this study, we report the eco-synthesis using graphene/TiO2 rutile (G/TiO2) electrode microstructures easily prepared through the physical method by mixing graphene and TiO2 powder and its application for sensing L-tryptophan (Trp) compound. The material characterization results show that the graphene surface is smoother than the G/TiO2 material. Graphene has been detected using X-ray diffraction (XRD) at a value of 2 thetas 26.39° and TiO2 forms rutile crystals (110). The FTIR spectrum exhibits the functional groups from graphene of -OH, C-H, C=C, C-O, and TiO2 identified with Ti-O bonds. The electrochemical test against G/TiO2 electrode microstructures for Trp compound shows that 0.5 g TiO2 rutile was the best composition functionalized with graphene material under 0.1M K3[Fe(CN)6] + 0.1M NaNO3 electrolyte with a scan rate of 0.1 V/s. Determination of the detection limit was obtained at 0.005 mg/L with a HorRat value of 1.05%. The stability test was carried out for 25 days, and the addition of Pb(NO3)2 as an interference compound had a significant effect on the decrease in electrode performance.
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Affiliation(s)
- Dwiprayogo Wibowo
- Department of Environmental Engineering, Faculty of Engineering, Universitas Muhammadiyah Kendari
| | - Riski Hul Akma Malik
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Halu Oleo
| | - Faizal Mustapa
- Doctoral student of Agriculture, Department of Water Resources, Universitas Halu Oleo
| | | | - Maulidiyah Maulidiyah
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Halu Oleo
| | - Muhammad Nurdin
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Halu Oleo
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13
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The hybrids of perylene tetracarboxylic acid functionalized multi-walled carbon nanotubes and chitosan for electrochemical chiral sensing of tryptophan enantiomers. Bioelectrochemistry 2022; 146:108110. [DOI: 10.1016/j.bioelechem.2022.108110] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 03/19/2022] [Accepted: 03/25/2022] [Indexed: 12/29/2022]
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14
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Graphene-Oxide and Ionic Liquid Modified Electrodes for Electrochemical Sensing of Breast Cancer 1 Gene. BIOSENSORS 2022; 12:bios12020095. [PMID: 35200355 PMCID: PMC8870019 DOI: 10.3390/bios12020095] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/29/2022] [Accepted: 01/30/2022] [Indexed: 12/23/2022]
Abstract
Graphene-oxide and ionic liquid composite-modified pencil graphite electrodes (GO-IL-PGEs) were developed and used as a sensing platform for breast cancer 1 (BRCA1) gene detection. The characterization of GO-IL modified electrodes was executed by scanning electron microscopy (SEM), cyclic voltammetry (CV), and electrochemical impedance spectroscopy (EIS). The nucleic-acid hybridization was monitored by a differential pulse voltammetry (DPV) technique by directly measuring the guanine oxidation signal without using any indicator. The effects of the IL concentration, the probe concentration, and the hybridization time were optimized to the biosensor response. The limit of detection (LOD) was calculated in the concentration range of 2–10 μg/mL for the BRCA1 gene and found to be 1.48 µg/mL. The sensitivity of the sensor was calculated as 1.49 µA mL/µg cm2. The developed biosensor can effectively discriminate the complementary target sequence in comparison to a three-base-mismatched sequence or the non-complementary one.
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15
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Ranjan P, Yadav S, Sadique MA, Khan R, Chaurasia JP, Srivastava AK. Functional Ionic Liquids Decorated Carbon Hybrid Nanomaterials for the Electrochemical Biosensors. BIOSENSORS 2021; 11:414. [PMID: 34821629 PMCID: PMC8615372 DOI: 10.3390/bios11110414] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 10/20/2021] [Accepted: 10/21/2021] [Indexed: 05/27/2023]
Abstract
Ionic liquids are gaining high attention due to their extremely unique physiochemical properties and are being utilized in numerous applications in the field of electrochemistry and bio-nanotechnology. The excellent ionic conductivity and the wide electrochemical window open a new avenue in the construction of electrochemical devices. On the other hand, carbon nanomaterials, such as graphene (GR), graphene oxide (GO), carbon dots (CDs), and carbon nanotubes (CNTs), are highly utilized in electrochemical applications. Since they have a large surface area, high conductivity, stability, and functionality, they are promising in biosensor applications. Nevertheless, the combination of ionic liquids (ILs) and carbon nanomaterials (CNMs) results in the functional ILs-CNMs hybrid nanocomposites with considerably improved surface chemistry and electrochemical properties. Moreover, the high functionality and biocompatibility of ILs favor the high loading of biomolecules on the electrode surface. They extremely enhance the sensitivity of the biosensor that reaches the ability of ultra-low detection limit. This review aims to provide the studies of the synthesis, properties, and bonding of functional ILs-CNMs. Further, their electrochemical sensors and biosensor applications for the detection of numerous analytes are also discussed.
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Affiliation(s)
- Pushpesh Ranjan
- CSIR—Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India; (P.R.); (S.Y.); (M.A.S.); (J.P.C.); (A.K.S.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Shalu Yadav
- CSIR—Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India; (P.R.); (S.Y.); (M.A.S.); (J.P.C.); (A.K.S.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Mohd Abubakar Sadique
- CSIR—Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India; (P.R.); (S.Y.); (M.A.S.); (J.P.C.); (A.K.S.)
| | - Raju Khan
- CSIR—Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India; (P.R.); (S.Y.); (M.A.S.); (J.P.C.); (A.K.S.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Jamana Prasad Chaurasia
- CSIR—Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India; (P.R.); (S.Y.); (M.A.S.); (J.P.C.); (A.K.S.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Avanish Kumar Srivastava
- CSIR—Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India; (P.R.); (S.Y.); (M.A.S.); (J.P.C.); (A.K.S.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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