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Bae G, Cho H, Hong BH. A review on synthesis, properties, and biomedical applications of graphene quantum dots (GQDs). NANOTECHNOLOGY 2024; 35:372001. [PMID: 38853586 DOI: 10.1088/1361-6528/ad55d0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 06/05/2024] [Indexed: 06/11/2024]
Abstract
A new type of 0-dimensional carbon-based materials called graphene quantum dots (GQDs) is gaining significant attention as a non-toxic and eco-friendly nanomaterial. GQDs are nanomaterials composed of sp2hybridized carbon domains and functional groups, with their lateral size less than 10 nm. The unique and exceptional physical, chemical, and optical properties arising from the combination of graphene structure and quantum confinement effect due to their nano-size make GQDs more intriguing than other nanomaterials. Particularly, the low toxicity and high solubility derived from the carbon core and abundant edge functional groups offer significant advantages for the application of GQDs in the biomedical field. In this review, we summarize various synthetic methods for preparing GQDs and important factors influencing the physical, chemical, optical, and biological properties of GQDs. Furthermore, the recent application of GQDs in the biomedical field, including biosensor, bioimaging, drug delivery, and therapeutics are discussed. Through this, we provide a brief insight on the tremendous potential of GQDs in biomedical applications and the challenges that need to be overcome in the future.
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Affiliation(s)
- Gaeun Bae
- Department of Chemistry, Seoul National University (SNU), Seoul 08826, Republic of Korea
| | - Hyeonwoo Cho
- Department of Chemistry, Seoul National University (SNU), Seoul 08826, Republic of Korea
| | - Byung Hee Hong
- Department of Chemistry, Seoul National University (SNU), Seoul 08826, Republic of Korea
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Silva RM, Sperandio GH, da Silva AD, Okumura LL, da Silva RC, Moreira RPL, Silva TA. Electrochemically reduced graphene oxide films from Zn-C battery waste for the electrochemical determination of paracetamol and hydroquinone. Mikrochim Acta 2023; 190:273. [PMID: 37351644 DOI: 10.1007/s00604-023-05858-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 06/03/2023] [Indexed: 06/24/2023]
Abstract
Contributing to the development of sustainable electroanalytical chemistry, electrochemically reduced graphene oxide (ERGO) films obtained from residual graphite of discharged Zn-C batteries are proposed in this work. Graphite from the cathode of discarded Zn-C batteries was recovered and used in the synthesis of graphene oxide (GO) by the modified Hummer's method. The quality of the synthesized GO was verified using different characterization methods (FT-IR, XRD, SEM, and TEM). GO films were deposited on a glassy carbon electrode (GCE) by the drop coating method and then electrochemically reduced by cathodic potential scanning using cyclic voltammetry. The electrochemical features of the ERGO films were investigated using the ferricyanide redox probe, as well as paracetamol (PAR) and hydroquinone (HQ) molecules as model analytes. From the cyclic voltammetry assays, enhanced heterogeneous electron transfer rate constants (k0) were observed for all redox systems studied. In analytical terms, the ERGO-based electrode showed higher analytical sensitivity than the bare and GO-modified GCE. Using differential pulse voltammetry, wide linear response ranges and limits of detection of 0.14 μmol L-1 and 0.65 μmol L-1 were achieved for PAR and HQ, respectively. Furthermore, the proposed sensor was successfully applied to the determination of PAR and HQ in synthetic urine and tap water samples (recoveries close to 100%). The outstanding electrochemical and analytical properties of the proposed ERGO films are added to the very low cost of the raw material, being presented as a green-based alternative for the development of electrochemical (bio)sensors with unsophisticated resources.
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Affiliation(s)
- Rafael Matias Silva
- Department of Chemistry, Federal University of Viçosa, Viçosa, MG, 36570-900, Brazil
| | | | | | - Leonardo Luiz Okumura
- Department of Chemistry, Federal University of Viçosa, Viçosa, MG, 36570-900, Brazil
| | - Renê Chagas da Silva
- Department of Physics, Federal University of Viçosa, Viçosa, MG, 36570-900, Brazil
| | | | - Tiago Almeida Silva
- Department of Chemistry, Federal University of Viçosa, Viçosa, MG, 36570-900, Brazil.
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Parihar A, Yadav S, Sadique MA, Ranjan P, Kumar N, Singhal A, Khare V, Khan R, Natarajan S, Srivastava AK. Internet‐of‐medical‐things integrated point‐of‐care biosensing devices for infectious diseases: Toward better preparedness for futuristic pandemics. Bioeng Transl Med 2023; 8:e10481. [DOI: 10.1002/btm2.10481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/15/2022] [Accepted: 12/19/2022] [Indexed: 01/04/2023] Open
Affiliation(s)
- Arpana Parihar
- Industrial Waste Utilization, Nano and Biomaterials, CSIR‐Advanced Materials and Processes Research Institute (AMPRI) Bhopal Madhya Pradesh India
| | - Shalu Yadav
- Industrial Waste Utilization, Nano and Biomaterials, CSIR‐Advanced Materials and Processes Research Institute (AMPRI) Bhopal Madhya Pradesh India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Mohd Abubakar Sadique
- Industrial Waste Utilization, Nano and Biomaterials, CSIR‐Advanced Materials and Processes Research Institute (AMPRI) Bhopal Madhya Pradesh India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Pushpesh Ranjan
- Industrial Waste Utilization, Nano and Biomaterials, CSIR‐Advanced Materials and Processes Research Institute (AMPRI) Bhopal Madhya Pradesh India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Neeraj Kumar
- Industrial Waste Utilization, Nano and Biomaterials, CSIR‐Advanced Materials and Processes Research Institute (AMPRI) Bhopal Madhya Pradesh India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Ayushi Singhal
- Industrial Waste Utilization, Nano and Biomaterials, CSIR‐Advanced Materials and Processes Research Institute (AMPRI) Bhopal Madhya Pradesh India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Vedika Khare
- School of Nanotechnology, UTD, RGPV Campus Bhopal Madhya Pradesh India
| | - Raju Khan
- Industrial Waste Utilization, Nano and Biomaterials, CSIR‐Advanced Materials and Processes Research Institute (AMPRI) Bhopal Madhya Pradesh India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Sathish Natarajan
- Industrial Waste Utilization, Nano and Biomaterials, CSIR‐Advanced Materials and Processes Research Institute (AMPRI) Bhopal Madhya Pradesh India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
| | - Avanish K. Srivastava
- Industrial Waste Utilization, Nano and Biomaterials, CSIR‐Advanced Materials and Processes Research Institute (AMPRI) Bhopal Madhya Pradesh India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad India
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Kumar N, Yadav S, Sadique MA, Khan R. Electrochemically Exfoliated Graphene Quantum Dots Based Biosensor for CD44 Breast Cancer Biomarker. BIOSENSORS 2022; 12:bios12110966. [PMID: 36354475 PMCID: PMC9688700 DOI: 10.3390/bios12110966] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 10/28/2022] [Accepted: 10/31/2022] [Indexed: 05/25/2023]
Abstract
An innovative electrochemical biosensor based on graphene quantum dots (GQDs) is developed for a simple, rapid, and highly sensitive primary diagnosis of the breast cancer biomarker cluster of differentiation-44 (CD44) antigen. Herein, electrochemical exfoliation of waste dry batteries provides facile, eco-friendly, and cost-effective synthesis of GQDs. Transmission electron microscopy (TEM) analysis reveals that GQDs exhibit spherical shapes with an average diameter of 4.75 nm. Further, electrochemical analysis through cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) reveals that the electrochemical properties of GQDs are suitable for biosensing applications. Subsequently, GQDs have a large electroactive surface area that has been utilized for the immobilization of CD44 antibodies to fabricate the electrochemical biosensor. The electroanalytical performance of GQDs for CD44 biosensing capabilities is studied by differential pulse voltammetry (DPV). The developed electrochemical biosensor has high sensitivity with the lowest detection limit (LOD) of 2.11 fg/mL in the linear range of 0.1 pg/mL to 100.0 ng/mL in phosphate buffer saline (PBS). Further, the linear response of the electrochemical biosensor for CD44 antigen concentration is in the range of 1.0 pg/mL to 100.0 ng/mL with a LOD of 2.71 fg/mL in spiked serum samples. The outcomes suggest that the synthesized GQDs demonstrate promising attributes to be utilized as a viable nanomaterial in biosensing applications.
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Affiliation(s)
- Neeraj Kumar
- Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Shalu Yadav
- Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Mohd Abubakar Sadique
- Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Raju Khan
- Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal 462026, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Ji G, Tian J, Xing F, Feng Y. Optical Biosensor Based on Graphene and Its Derivatives for Detecting Biomolecules. Int J Mol Sci 2022; 23:ijms231810838. [PMID: 36142748 PMCID: PMC9500660 DOI: 10.3390/ijms231810838] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 12/24/2022] Open
Abstract
Graphene and its derivatives show great potential for biosensing due to their extraordinary optical, electrical and physical properties. In particular, graphene and its derivatives have excellent optical properties such as broadband and tunable absorption, fluorescence bursts, and strong polarization-related effects. Optical biosensors based on graphene and its derivatives make nondestructive detection of biomolecules possible. The focus of this paper is to review the preparation of graphene and its derivatives, as well as recent advances in optical biosensors based on graphene and its derivatives. The working principle of face plasmon resonance (SPR), surface-enhanced Raman spectroscopy (SERS), fluorescence resonance energy transfer (FRET) and colorimetric sensors are summarized, and the advantages and disadvantages of graphene and its derivatives applicable to various types of sensors are analyzed, and the methods of surface functionalization of graphene and its derivatives are introduced; these optical biosensors can be used for the detection of a range of biomolecules such as single cells, cellular secretions, proteins, nucleic acids, and antigen-antibodies; these new high-performance optical sensors are capable of detecting changes in surface structure and biomolecular interactions with the advantages of ultra-fast detection, high sensitivity, label-free, specific recognition, and the ability to respond in real-time. Problems in the current stage of application are discussed, as well as future prospects for graphene and its biosensors. Achieving the applicability, reusability and low cost of novel optical biosensors for a variety of complex environments and achieving scale-up production, which still faces serious challenges.
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Affiliation(s)
| | | | | | - Yu Feng
- Correspondence: (F.X.); (Y.F.)
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Parihar A, Singhal A, Kumar N, Khan R, Khan MA, Srivastava AK. Next-Generation Intelligent MXene-Based Electrochemical Aptasensors for Point-of-Care Cancer Diagnostics. NANO-MICRO LETTERS 2022; 14:100. [PMID: 35403935 PMCID: PMC8995416 DOI: 10.1007/s40820-022-00845-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 03/11/2022] [Indexed: 02/08/2023]
Abstract
Delayed diagnosis of cancer using conventional diagnostic modalities needs to be addressed to reduce the mortality rate of cancer. Recently, 2D nanomaterial-enabled advanced biosensors have shown potential towards the early diagnosis of cancer. The high surface area, surface functional groups availability, and excellent electrical conductivity of MXene make it the 2D material of choice for the fabrication of advanced electrochemical biosensors for disease diagnostics. MXene-enabled electrochemical aptasensors have shown great promise for the detection of cancer biomarkers with a femtomolar limit of detection. Additionally, the stability, ease of synthesis, good reproducibility, and high specificity offered by MXene-enabled aptasensors hold promise to be the mainstream diagnostic approach. In this review, the design and fabrication of MXene-based electrochemical aptasensors for the detection of cancer biomarkers have been discussed. Besides, various synthetic processes and useful properties of MXenes which can be tuned and optimized easily and efficiently to fabricate sensitive biosensors have been elucidated. Further, futuristic sensing applications along with challenges will be deliberated herein.
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Affiliation(s)
- Arpana Parihar
- grid.465028.d0000 0000 9013 9057Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal, 462026 MP India
| | - Ayushi Singhal
- grid.465028.d0000 0000 9013 9057Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal, 462026 MP India ,grid.469887.c0000 0004 7744 2771Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - Neeraj Kumar
- grid.465028.d0000 0000 9013 9057Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal, 462026 MP India ,grid.469887.c0000 0004 7744 2771Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - Raju Khan
- grid.465028.d0000 0000 9013 9057Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal, 462026 MP India ,grid.469887.c0000 0004 7744 2771Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
| | - Mohd. Akram Khan
- grid.465028.d0000 0000 9013 9057Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal, 462026 MP India
| | - Avanish K. Srivastava
- grid.465028.d0000 0000 9013 9057Industrial Waste Utilization, Nano and Biomaterials, CSIR-Advanced Materials and Processes Research Institute (AMPRI), Hoshangabad Road, Bhopal, 462026 MP India ,grid.469887.c0000 0004 7744 2771Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002 India
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