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Chaiyo S, Kunpatee K, Kalcher K, Yakoh A, Pungjunun K. 3D Paper-Based Device Integrated with a Battery-Less NFC Potentiostat for Nonenzymatic Detection of Cholesterol. ACS MEASUREMENT SCIENCE AU 2024; 4:432-441. [PMID: 39184358 PMCID: PMC11342457 DOI: 10.1021/acsmeasuresciau.4c00012] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 03/28/2024] [Accepted: 04/08/2024] [Indexed: 08/27/2024]
Abstract
Portable electrochemical analytical devices such as cholesterol sensors are widely used for disease diagnosis. However, these tools are bulky and require bioreceptors for the specific detection of cholesterol. Herein, a novel 3D electrochemical paper-based analytical device (3D-ePAD) combined with a near-field communication (NFC) potentiostat was developed and applied to the nonenzymatic detection of cholesterol. This 3D-ePAD platform was designed so that all working operations are performed on a single device, which is separated into an origami PAD (oPAD) and an inset PAD (iPAD). β-Cyclodextrin (β-CD), which is immobilized on oPAD, is used as a specific material for the nonenzymatic detection of cholesterol. Through this device, cholesterol detection is integrated with a battery-free NFC potentiostat on a smartphone. The concentration of cholesterol was examined through a [Fe(CN)6]3-/4- current signal as a redox indicator, which was previously stored in the detection part of an iPAD. Under optimal conditions, 3D-ePAD/NFC exhibited a linear detection efficiency of 1-500 μM and a maximum detection limit of 0.3 μM for cholesterol detection. Moreover, the proposed sensor was successfully used to measure cholesterol in real serum samples from humans, and the results were consistent with those of a commercial cholesterol meter. Therefore, the new NFC-operated 3D-ePAD platform can be used as an alternative tool for the nonenzymatic quantification of various biomarkers. In addition, 3D-ePAD/NFC can support the diagnosis of other diseases in the future, as the device is inexpensive, portable, and disposable and functions with low sample volumes.
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Affiliation(s)
- Sudkate Chaiyo
- The
Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, Bangkok 10330, Thailand
- Center
of Excellence for Food and Water Risk Analysis (FAWRA), Faculty of
Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Kanjana Kunpatee
- The
Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, Bangkok 10330, Thailand
| | - Kurt Kalcher
- Institute
of Chemistry, Karl-Franzens University, Universitätsplatz 1, Graz A-8010, Austria
| | - Abdulhadee Yakoh
- The
Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, Bangkok 10330, Thailand
- Center
of Excellence for Food and Water Risk Analysis (FAWRA), Faculty of
Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Kingkan Pungjunun
- Sensor
Technologist, Silicon Craft Technology Public
Company Limited, Bangkok 10900, Thailand
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2
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Kuntoji G, Kousar N, Gaddimath S, Koodlur Sannegowda L. Macromolecule-Nanoparticle-Based Hybrid Materials for Biosensor Applications. BIOSENSORS 2024; 14:277. [PMID: 38920581 PMCID: PMC11201996 DOI: 10.3390/bios14060277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 04/21/2024] [Accepted: 04/26/2024] [Indexed: 06/27/2024]
Abstract
Biosensors function as sophisticated devices, converting biochemical reactions into electrical signals. Contemporary emphasis on developing biosensor devices with refined sensitivity and selectivity is critical due to their extensive functional capabilities. However, a significant challenge lies in the binding affinity of biosensors to biomolecules, requiring adept conversion and amplification of interactions into various signal modalities like electrical, optical, gravimetric, and electrochemical outputs. Overcoming challenges associated with sensitivity, detection limits, response time, reproducibility, and stability is essential for efficient biosensor creation. The central aspect of the fabrication of any biosensor is focused towards forming an effective interface between the analyte electrode which significantly influences the overall biosensor quality. Polymers and macromolecular systems are favored for their distinct properties and versatile applications. Enhancing the properties and conductivity of these systems can be achieved through incorporating nanoparticles or carbonaceous moieties. Hybrid composite materials, possessing a unique combination of attributes like advanced sensitivity, selectivity, thermal stability, mechanical flexibility, biocompatibility, and tunable electrical properties, emerge as promising candidates for biosensor applications. In addition, this approach enhances the electrochemical response, signal amplification, and stability of fabricated biosensors, contributing to their effectiveness. This review predominantly explores recent advancements in utilizing macrocyclic and macromolecular conjugated systems, such as phthalocyanines, porphyrins, polymers, etc. and their hybrids, with a specific focus on signal amplification in biosensors. It comprehensively covers synthetic strategies, properties, working mechanisms, and the potential of these systems for detecting biomolecules like glucose, hydrogen peroxide, uric acid, ascorbic acid, dopamine, cholesterol, amino acids, and cancer cells. Furthermore, this review delves into the progress made, elucidating the mechanisms responsible for signal amplification. The Conclusion addresses the challenges and future directions of macromolecule-based hybrids in biosensor applications, providing a concise overview of this evolving field. The narrative emphasizes the importance of biosensor technology advancement, illustrating the role of smart design and material enhancement in improving performance across various domains.
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Affiliation(s)
| | | | | | - Lokesh Koodlur Sannegowda
- Department of Studies in Chemistry, Vijayanagara Sri Krishnadevaraya University, Jnanasagara, Vinayakanagara, Ballari 583105, India; (G.K.); (N.K.); (S.G.)
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3
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Li JQ, Mao YW, Zhang R, Wang AJ, Feng JJ. Fe-Ni dual-single atoms nanozyme with high peroxidase-like activity for sensitive colorimetric and fluorometric dual-mode detection of cholesterol. Colloids Surf B Biointerfaces 2023; 232:113589. [PMID: 37857186 DOI: 10.1016/j.colsurfb.2023.113589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 09/26/2023] [Accepted: 10/10/2023] [Indexed: 10/21/2023]
Abstract
Cholesterol is widely existed in nerve myelin sheath and various membrane structures, whose abnormal level would deteriorate human cells or even cause diseases. Herein, Fe-Ni dual-single-atom nanozyme was efficiently incorporated into N-doped carbon nanosheets (FeNi DSAs/N-CSs) by a simple calcination method. Its nanozyme activity and catalytic mechanism were investigated in details. The FeNi DSAs/N-CSs nanozyme showed superior peroxidase-like property, which was applied for the dual-mode determination of hydrogen peroxide (H2O2) and cholesterol. The colorimetric/fluorometric assays of H2O2 displayed the linear ranges of 1-50 mM and 5-40 mM with low limits of detection of 0.45 mM and 3.33 mM, respectively. In parallel, there exhibited the linear ranges of 0.5-5.0 mM and 0.25-5.0 mM for the colorimetric/fluorometric analysis of cholesterol, coupled with the limits of detection down to 0.19 mM and 0.044 mM, respectively. This work provided a rapid, cost-effectiveness and simple colorimetric/fluorometric method for sensitive dual-mode detection of cholesterol in human serum samples.
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Affiliation(s)
- Jia-Qi Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Yan-Wen Mao
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Rui Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Ai-Jun Wang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China
| | - Jiu-Ju Feng
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, College of Chemistry and Materials Science, College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua 321004, China.
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4
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Electrochemical devices for cholesterol detection. J Pharm Biomed Anal 2023; 224:115195. [PMID: 36493575 DOI: 10.1016/j.jpba.2022.115195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 11/28/2022] [Accepted: 11/30/2022] [Indexed: 12/11/2022]
Abstract
Cholesterol can be considered as a biomarker of illnesses such as heart and coronary artery diseases or arteriosclerosis. Therefore, the fast determination of its concentration in blood is interesting as a means of achieving an early diagnosis of these unhealthy conditions. Electrochemical sensors and biosensors have become a potential tool for selective and sensitive detection of this biomolecule, combining the analytical advantages of electrochemical techniques with the selective recognition features of modified electrodes. This review covers the different approaches carried out in the development of electrochemical sensors for cholesterol, differentiating between enzymatic biosensors and non-enzymatic systems, highlighting lab-on-a-chip devices. A description of the different modification procedures of the working electrode has been included and the role of the different functional materials used has been discussed.
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5
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Ahmad M, Nisar A, Sun H. Emerging Trends in Non-Enzymatic Cholesterol Biosensors: Challenges and Advancements. BIOSENSORS 2022; 12:955. [PMID: 36354463 PMCID: PMC9687930 DOI: 10.3390/bios12110955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/10/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
The development of a highly sensitive and selective non-enzymatic electrochemical biosensor for precise and accurate determination of multiple disease biomarkers has always been challenging and demanding. The synthesis of novel materials has provided opportunities to fabricate dependable biosensors. In this perspective, we have presented and discussed recent challenges and technological advancements in the development of non-enzymatic cholesterol electrochemical biosensors and recent research trends in the utilization of functional nanomaterials. This review gives an insight into the electrochemically active nanomaterials having potential applications in cholesterol biosensing, including metal/metal oxide, mesoporous metal sulfide, conductive polymers, and carbon materials. Moreover, we have discussed the current strategies for the design of electrode material and key challenges for the construction of an efficient cholesterol biosensor. In addition, we have also described the current issues related to sensitivity and selectivity in cholesterol biosensing.
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Affiliation(s)
- Mashkoor Ahmad
- Nanomaterials Research Group, Physics Division, Pakistan Institute of Nuclear Science and Technology (PINSTECH), Islamabad 44000, Pakistan
| | - Amjad Nisar
- Nanomaterials Research Group, Physics Division, Pakistan Institute of Nuclear Science and Technology (PINSTECH), Islamabad 44000, Pakistan
| | - Hongyu Sun
- School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
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6
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Innovative Non-Enzymatic Electrochemical Quantification of Cholesterol. SENSORS 2022; 22:s22030828. [PMID: 35161581 PMCID: PMC8839973 DOI: 10.3390/s22030828] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 01/14/2022] [Accepted: 01/20/2022] [Indexed: 11/16/2022]
Abstract
The use of the Liebermann–Burchard reaction in this study has been explored in the development of a simple, reliable, and robust quantitative electrochemical method to assay cholesterol, and hence provide a good alternative to colorimetric methods. The optimization of batch mode operation for electrochemical oxidation of cholesterol in the Liebermann–Burchard reagents included the applied potential and acidic volume. Tested using chronoamperometry, the developed method showed a high sensitivity (14.959 μA mM−1) and low detection limit (19.78 nM) over a 0.025–3 mM concentration range, with remarkable linearity (R2 = 0.999), proving an analytical performance either higher or comparable to most of the cholesterol sensors discussed in literature. The influence of possible interfering bioactive agents, namely, glucose, uric acid, ascorbic acid, KCl and NaCl, has been evaluated with no or negligible effects on the measurement of cholesterol. Our study was directed at finding a new approach to chemical processing arising from the use of external potential as an additional level of control for chemical reactions and the transfer of electrons between surfaces and molecules. Finally, the optimized method was successfully applied for the determination of cholesterol content in real blood samples.
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7
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Thakur N, Gupta D, Mandal D, Nagaiah TC. Ultrasensitive electrochemical biosensors for dopamine and cholesterol: recent advances, challenges and strategies. Chem Commun (Camb) 2021; 57:13084-13113. [PMID: 34811563 DOI: 10.1039/d1cc05271c] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
The rapid and accurate determination of the dopamine (neurotransmitter) and cholesterol level in bio-fluids is significant because they are crucial bioanalytes for several lethal diseases, which require early diagnosis. The level of DA in the brain is modulated by the dopamine active transporter (DAT), and is influenced by cholesterol levels in the lipid membrane environment. Accordingly, electrochemical biosensors offer rapid and accurate detection and exhibit unique features such as low detection limits even with reduced volumes of analyte, affordability, simple handling, portability and versatility, making them appropriate to deal with augmented challenges in current clinical and point-of-care diagnostics for the determination of dopamine (DA) and cholesterol. This feature article focuses on the development of ultrasensitive electrochemical biosensors for the detection of cholesterol and DA for real-time and onsite applications that can detect targeted analytes with reduced volumes and sub-picomolar concentrations with quick response times. Furthermore, the development of ultrasensitive biosensors via cost-effective, simple fabrication procedures, displaying high sensitivity, selectivity, reliability and good stability is significant in the impending era of electrochemical biosensing. Herein, we emphasize on recent advanced nanomaterials used for the ultrasensitive detection of DA and cholesterol and discuss in depth their electrochemical activities towards ultrasensitive responses. Key points describing future perspectives and the challenges during detection with their probable solutions are discussed, and the current market is also surveyed. Further, a comprehensive review of the literature indicates that there is room for improvement in the miniaturization of cholesterol and dopamine biosensors for lab-on-chip devices and overcoming the current technical limitations to facilitate full utilization by patients at home.
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Affiliation(s)
- Neha Thakur
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab - 140001, India.
| | - Divyani Gupta
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab - 140001, India.
| | - Debaprasad Mandal
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab - 140001, India.
| | - Tharamani C Nagaiah
- Department of Chemistry, Indian Institute of Technology Ropar, Rupnagar, Punjab - 140001, India.
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Fujitsuka M, Iohara D, Oumura S, Matsushima M, Sakuragi M, Anraku M, Ikeda T, Hirayama F, Kuroiwa K. Supramolecular Assembly of Hybrid Pt(II) Porphyrin/Tomatine Analogues with Different Nanostructures and Cytotoxic Activities. ACS OMEGA 2021; 6:13284-13292. [PMID: 34056476 PMCID: PMC8158828 DOI: 10.1021/acsomega.1c01239] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Accepted: 04/23/2021] [Indexed: 05/14/2023]
Abstract
A simple strategy for synthesizing supramolecular hybrids was developed for the preparation of bioavailable nanohybrid photosensitizers by assembling visible-light-sensitive Pt(II) meso-tetrakis(4-carboxyphenyl)porphyrinporphyrin (PtTCPP)/tomatine analogues. The hybrids were self-assembled into nanofibrous or nanosheet structures approximately 3-5 nm thick and several micrometers wide. α-Tomatine generated a unique fibrous vesicle nanostructure based on intermolecular interactions, while dehydrotomatine generated nanosheet structures. Nanoassembly of these fibrous vesicles and sheets directly affected the properties of the light-responsive photosensitizer for tumor photodynamic therapy (PDT), depending on the nanostructure of the hybrid PtTCPP/tomatine analogues. The cytotoxicity of PtTCPP to cancer cells under photoirradiation was significantly enhanced by a tomatine assembly with a fibrous vesicle nanostructure, attributable to increased incorporation of the drug into cells.
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Affiliation(s)
- Mayuko Fujitsuka
- Department
of Nanoscience, Faculty of Engineering, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Daisuke Iohara
- Department
of Pharmaceutical Science, Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Sae Oumura
- Department
of Nanoscience, Faculty of Engineering, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Misaki Matsushima
- Department
of Nanoscience, Faculty of Engineering, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Mina Sakuragi
- Department
of Nanoscience, Faculty of Engineering, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Makoto Anraku
- Department
of Pharmaceutical Science, Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Tsuyoshi Ikeda
- Department
of Pharmaceutical Science, Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Fumitoshi Hirayama
- Department
of Pharmaceutical Science, Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Keita Kuroiwa
- Department
of Nanoscience, Faculty of Engineering, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
- . Tel/Fax: +81-96-326-3891
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9
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Ayilliath SK, Nair SR, Lakshmi GC, Kunnatheery S. Functionalised Graphene Quantum Dots for Cholesterol Detection in Human Blood Serum. J Fluoresc 2021; 31:847-852. [PMID: 33761068 DOI: 10.1007/s10895-021-02712-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Accepted: 03/03/2021] [Indexed: 10/21/2022]
Abstract
The varied applications of nanotechnology have paved way for several breakthroughs in the realm of biomedical technology. In this challenging era when illness multiplies, timely and accurate disease diagnosis is very important. Thus, well founded novel approaches matter very much in areas like disease diagnosis and monitoring. Nanomedicine has tremendous implications in the given context. An elevated cholesterol concentration in blood is risky and is associated with cardiovascular diseases (CVD). CVD remains the No. 1 global cause of death and hence there is an urge to understand cholesterol level and take preventive measures. Highly fluorescent graphene quantum dots (GQs) are well known for their biocompatibility, non toxicity and aqueous solubility. Here in we report an easy and sensitive non enzymatic based cholesterol detection using digitonin conjugated graphene quantum dots (GDG). Selectivity studies and the cholesterol detection in human blood serum suggests the probe to be reliable and selective for blood cholesterol monitoring. Digitonin conjugated fluorescent graphene quantumdots, an efficient probe for cholesterol sensing.
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Affiliation(s)
- Shanti Krishna Ayilliath
- Laboratory for Polymer Analysis, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences & Technology, Thiruvananthapuram, 695012, India.
| | | | - Gopu Chandrasekharan Lakshmi
- Laboratory for Polymer Analysis, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences & Technology, Thiruvananthapuram, 695012, India
| | - Sreenivasan Kunnatheery
- Laboratory for Polymer Analysis, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences & Technology, Thiruvananthapuram, 695012, India
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10
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Recent Development in Nanomaterial-Based Electrochemical Sensors for Cholesterol Detection. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9050098] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Functional nanomaterials have attracted significant attention in a variety of research fields (in particular, in the healthcare system) because of the easily controllable morphology, their high chemical and environmental stability, biocompatibility, and unique optoelectronic and sensing properties. The sensing properties of nanomaterials can be used to detect biomolecules such as cholesterol. Over the past few decades, remarkable progress has been made in the production of cholesterol biosensors that contain nanomaterials as the key component. In this article, various nanomaterials for the electrochemical sensing of cholesterol were reviewed. Cholesterol biosensors are recognized tools in the clinical diagnosis of cardiovascular diseases (CVDs). The function of nanomaterials in cholesterol biosensors were thoroughly discussed. In this study, different pathways for the sensing of cholesterol with functional nanomaterials were investigated.
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Thivya P, Ramya R, Wilson J. Poly(3,4-ethylenedioxythiophene)/taurine biocomposite on screen printed electrode: Non-enzymatic cholesterol biosensor. Microchem J 2020. [DOI: 10.1016/j.microc.2020.105037] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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12
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Derina K, Korotkova E, Barek J. Non-enzymatic electrochemical approaches to cholesterol determination. J Pharm Biomed Anal 2020; 191:113538. [PMID: 32919143 DOI: 10.1016/j.jpba.2020.113538] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 08/02/2020] [Accepted: 08/05/2020] [Indexed: 01/06/2023]
Abstract
Cholesterol plays a vital role in a human body. It is known as one of the most important sterols, because it forms cell walls and participates in signal transduction. Moreover, cholesterol was recognized as biomarker of cardiovascular diseases and of some metabolic disorders. As a result, cholesterol blood levels should be controlled in a variety of diseases such as ischemic heart disease, cerebrovascular ischemia, stroke, hypertension, type II diabetes, and many others. Hence, the accurate cholesterol quantification plays an important role in diagnosis and treatment of these diseases. Modern voltammetric and amperometric methods are increasingly used for cholesterol monitoring. Consequently, the problem of electrode fabrication for cholesterol detection has high importance for clinical tests. Novel electrode materials initiated the fast growth of electrochemical biosensors. Biomaterials are still the most frequently used modifiers for cholesterol sensors due to their high selectivity. However, biomaterials have low stability complicating their practical applications. This fact is crucial for analytical parameters such as limit of detection (LOD) and sensitivity. Therefore, nanomaterials are used to eliminate disadvantages of biomaterials and to improve sensors performance by increasing the electrode surface, conductivity and sensitivity. This review is focused on the use of non-enzymatic electrodes for cholesterol quantification and on different approaches to their fabrication. Firstly, the necessity and role of modifier is discussed. Afterwards, the advantages and disadvantages of currently used modifiers are critically compared together with all aspects and approaches to sensors fabrication. Finally, the prospects of non-enzymatic electrodes application for cholesterol sensors engineering are summarised.
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Affiliation(s)
- Ksenia Derina
- National Research Tomsk Polytechnic University, Division for Chemical Engineering, School of Earth Science and Engineering, Lenin Avenue 30, 634050 Tomsk, Russia
| | - Elena Korotkova
- National Research Tomsk Polytechnic University, Division for Chemical Engineering, School of Earth Science and Engineering, Lenin Avenue 30, 634050 Tomsk, Russia
| | - Jiří Barek
- National Research Tomsk Polytechnic University, Division for Chemical Engineering, School of Earth Science and Engineering, Lenin Avenue 30, 634050 Tomsk, Russia; Charles University, Faculty of Science, Department of Analytical Chemistry, UNESCO Laboratory of Environmental Electrochemistry, Albertov 6, 128 43 Prague 2, Czech Republic.
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Affiliation(s)
- Mandana Amiri
- Department of ChemistryUniversity of Mohaghegh Ardabili Ardabil Iran
| | - Simin Arshi
- Department of ChemistryUniversity of Mohaghegh Ardabili Ardabil Iran
- Department of Chemical SciencesBernal Institute University of Limerick Ireland
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14
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Shoja Y, Kermanpur A, Karimzadeh F, Ghodsi J, Rafati AA, Adhami S. Electrochemical molecularly bioimprinted siloxane biosensor on the basis of core/shell silver nanoparticles/EGFR exon 21 L858R point mutant gene/siloxane film for ultra-sensing of Gemcitabine as a lung cancer chemotherapy medication. Biosens Bioelectron 2019; 145:111611. [PMID: 31550632 DOI: 10.1016/j.bios.2019.111611] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 08/14/2019] [Accepted: 08/17/2019] [Indexed: 11/16/2022]
Abstract
In search for improvements in bioanalysis electrochemical sensors, for better assessment of anti-cancer drugs, it is necessary for their detection limits to be minimized and the sensitivity and selectivity to be surpassed simultaneously; whereas, resolving any probable interfering with other medical treatments are considered. In this work, a novel approach was adopted for detection and assessment of Gemcitabine (GEM) as an anti-cancer drug based on evaluating its interaction with EGFR exon 21-point mutant gene. An electrochemical nanobiosensor was invented based on a new molecularly bioimprinted siloxane polymer (MBIS) strategy; in which the EGFR exon 21 acts as an identification probe. The roles of multi-walled carbon nanotubes and Ag nanoparticles (NPs) are to perform as a signal amplifier. The MBIS film was prepared by acid-catalysed hydrolysis/condensation of the sample solution, containing Ag NPs, ds-DNA of EGFR exon 21 point mutant gene, GEM as a template molecule, 3-(aminopropyl) trimethoxysilane (APTMS) and tetraethoxysilane. The interaction between the dsDNA and GEM was investigated by employing the modified biosensor and monitoring oxidation signal of guanine and adenine. The produced biosensor was characterized by XRD, FE-SEM, EDS, FT-IR and differential pulse voltammetry. The oxidation signals of adenine and guanine were in linear range when the device was subjected to various concentrations of GEM, from 1.5 to -93 μM, where a low detection limit 12.5 nmol L-1, and 48.8 nmol L-1 were recorded by guanine and adenine respectively. The developed biosensor did perform very well when employed for the actual samples; the stability was also approved which was acceptable for a reasonable time.
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Affiliation(s)
- Yalda Shoja
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran.
| | - Ahmad Kermanpur
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Fathallah Karimzadeh
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Javad Ghodsi
- Department of Physical Chemistry, Faculty of Chemistry, Bu-Ali Sina University, P.O.Box 65174, Hamedan, Iran.
| | - Amir Abbas Rafati
- Department of Physical Chemistry, Faculty of Chemistry, Bu-Ali Sina University, P.O.Box 65174, Hamedan, Iran
| | - Siavash Adhami
- Department of Materials Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran
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15
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Adsorption of cholesterol oxidase and entrapment of horseradish peroxidase in metal-organic frameworks for the colorimetric biosensing of cholesterol. Talanta 2019; 200:293-299. [DOI: 10.1016/j.talanta.2019.03.060] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/28/2019] [Accepted: 03/14/2019] [Indexed: 11/21/2022]
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16
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Toohara S, Tanaka Y, Sakurai S, Ikeda T, Tanaka K, Gon M, Chujo Y, Kuroiwa K. Self-assembly of [Au(CN) 2] −Complexes with Tomato ( Solanum lycopersicum) Steroidal Alkaloid Glycosides to Form Sheet or Tubular Structures. CHEM LETT 2018. [DOI: 10.1246/cl.180320] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Souta Toohara
- Department of Nanoscience, Faculty of Engineering, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Yasuaki Tanaka
- Department of Nanoscience, Faculty of Engineering, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Shinichi Sakurai
- Department of Biobased Materials Science, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Tsuyoshi Ikeda
- Department of Pharmaceutical Sciences, Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
| | - Kazuo Tanaka
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Masayuki Gon
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Yoshiki Chujo
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Keita Kuroiwa
- Department of Nanoscience, Faculty of Engineering, Sojo University, 4-22-1 Ikeda, Nishi-ku, Kumamoto 860-0082, Japan
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17
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Bairagi PK, Verma N. Electrochemically deposited dendritic poly (methyl orange) nanofilm on metal-carbon-polymer nanocomposite: A novel non-enzymatic electrochemical biosensor for cholesterol. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.02.011] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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18
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Rajeev G, Prieto Simon B, Marsal LF, Voelcker NH. Advances in Nanoporous Anodic Alumina-Based Biosensors to Detect Biomarkers of Clinical Significance: A Review. Adv Healthc Mater 2018; 7. [PMID: 29205934 DOI: 10.1002/adhm.201700904] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2017] [Revised: 10/06/2017] [Indexed: 02/06/2023]
Abstract
There is a strong and growing demand for compact, portable, rapid, and low-cost devices to detect biomarkers of interest in clinical and point-of-care diagnostics. Such devices aid in early diagnosis of diseases without the need to rely on expensive and time-consuming large instruments in dedicated laboratories. Over the last decade, numerous biosensors have been developed for detection of a wide range of clinical biomarkers including proteins, nucleic acids, growth factors, and bacterial enzymes. Various transduction techniques have been reported based on biosensor technology that deliver substantial advances in analytical performance, including sensitivity, reproducibility, selectivity, and speed for monitoring a wide range of human health conditions. Nanoporous anodic alumina (NAA) has been used extensively for biosensing applications due to its inherent optical and electrochemical properties, ease of fabrication, large surface area, tunable properties, and high stability in aqueous environment. This review focuses on NAA-based biosensing systems for detection of clinically significant biomarkers using various detection techniques with the main focus being on electrochemical and optical transduction methods. The review covers an overview of the importance of biosensors for biomarkers detection, general (surface and structural) properties and fabrication of NAA, and NAA-based biomarker sensing systems.
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Affiliation(s)
| | - Beatriz Prieto Simon
- Future Industries Institute; Mawson Lakes SA 5095 Australia
- Monash Institute of Pharmaceutical Sciences; Monash University; Parkville VIC 3052 Australia
| | - Lluis F. Marsal
- Departamento de Ingeniería Electrónica; Eléctrica y Automática; Universitat Rovira i Virgili; Avda. Països Catalans 26 43007 Tarragona Spain
| | - Nicolas H. Voelcker
- Future Industries Institute; Mawson Lakes SA 5095 Australia
- Monash Institute of Pharmaceutical Sciences; Monash University; Parkville VIC 3052 Australia
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19
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Polyaniline/MWCNTs/starch modified carbon paste electrode for non-enzymatic detection of cholesterol: application to real sample (cow milk). Anal Bioanal Chem 2018; 410:2173-2181. [DOI: 10.1007/s00216-018-0880-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 11/28/2017] [Accepted: 01/15/2018] [Indexed: 10/18/2022]
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20
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Chebl M, Moussa Z, Peurla M, Patra D. Polyelectrolyte mediated nano hybrid particle as a nano-sensor with outstandingly amplified specificity and sensitivity for enzyme free estimation of cholesterol. Talanta 2017; 169:104-114. [DOI: 10.1016/j.talanta.2017.03.070] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 03/22/2017] [Accepted: 03/23/2017] [Indexed: 02/08/2023]
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21
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Klouda J, Barek J, Nesměrák K, Schwarzová-Pecková K. Non-Enzymatic Electrochemistry in Characterization and Analysis of Steroid Compounds. Crit Rev Anal Chem 2017; 47:384-404. [DOI: 10.1080/10408347.2017.1318694] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jan Klouda
- Faculty of Science, Department of Analytical Chemistry, Charles University, UNESCO Laboratory of Environmental Electrochemistry, Prague, Czech Republic
| | - Jiří Barek
- Faculty of Science, Department of Analytical Chemistry, Charles University, UNESCO Laboratory of Environmental Electrochemistry, Prague, Czech Republic
| | - Karel Nesměrák
- Faculty of Science, Department of Analytical Chemistry, Charles University, UNESCO Laboratory of Environmental Electrochemistry, Prague, Czech Republic
| | - Karolina Schwarzová-Pecková
- Faculty of Science, Department of Analytical Chemistry, Charles University, UNESCO Laboratory of Environmental Electrochemistry, Prague, Czech Republic
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22
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Fabrication of a novel dual mode cholesterol biosensor using titanium dioxide nanowire bridged 3D graphene nanostacks. Biosens Bioelectron 2016; 84:64-71. [DOI: 10.1016/j.bios.2015.11.042] [Citation(s) in RCA: 76] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 11/06/2015] [Accepted: 11/14/2015] [Indexed: 12/30/2022]
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23
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Lakshmi GBVS, Sharma A, Solanki PR, Avasthi DK. Mesoporous polyaniline nanofiber decorated graphene micro-flowers for enzyme-less cholesterol biosensors. NANOTECHNOLOGY 2016; 27:345101. [PMID: 27419910 DOI: 10.1088/0957-4484/27/34/345101] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
In the present work, we have studied a nanocomposite of polyaniline nanofiber-graphene microflowers (PANInf-GMF), prepared by an in situ rapid mixing polymerization method. The structural and morphological studies of the nanocomposite (PANInf-GMF) were carried out by scanning electron microscopy, transmission electron microscopy, Fourier transform infrared (FTIR) and Raman spectroscopy. The mesoporous, nanofibrous and microflower structures were observed by scanning electron microscopy. The functional groups and synergetic effects were observed by FTIR and micro-Raman measurements. The water wettability was carried out by a contact angle measurement technique and found to be super hydrophilic in nature towards water. This nanocomposite was deposited onto indium-tin-oxide coated glass substrate by a drop casting method and used for the detection of cholesterol using an electrochemical technique. The differential pulse voltammetry studies show the appreciable increase in the current with the addition of 1.93 to 464.04 mg dl(-1) cholesterol concentration. It is also found that the electrodes were highly selective towards cholesterol when compared to other biological interfering analytes, such as glucose, urea, citric acid, cysteine and ascorbic acid. The sensitivity of the sensor is estimated as 0.101 μA mg(-1) dl cm(-2) and the lower detection limit as 1.93 mg dl(-1). This work will throw light on the preparation of non-enzymatic biosensors based on PANInf-carbon nanostructure composites.
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Affiliation(s)
- G B V S Lakshmi
- Inter University Accelerator Centre (IUAC), New Delhi, India
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24
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Joshi N, Sharma A, Asokan K, Rawat K, Kanjilal D. Effect of hydrogen ion implantation on cholesterol sensing using enzyme-free LAPONITE®-montmorillonite electrodes. RSC Adv 2016. [DOI: 10.1039/c5ra27523g] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Electrochemical profiling of LAPONITE®-montmorillonite/indium tin oxide (L-MMT/ITO) electrodes irradiated with 20 keV H2+ ion beam with variable fluence ranging from 1012 to 1016 ions per cm2.
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Affiliation(s)
- Nidhi Joshi
- School of Physical Sciences
- Jawaharlal Nehru University
- New Delhi 110067
- India
| | - Abhimanyu Sharma
- Special Center for Nanosciences
- Jawaharlal Nehru University
- New Delhi 110067
- India
- Inter University Accelerator Centre (IUAC)
| | - K. Asokan
- Inter University Accelerator Centre (IUAC)
- New Delhi 110067
- India
| | - Kamla Rawat
- Special Center for Nanosciences
- Jawaharlal Nehru University
- New Delhi 110067
- India
- Inter University Accelerator Centre (IUAC)
| | - D. Kanjilal
- Inter University Accelerator Centre (IUAC)
- New Delhi 110067
- India
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25
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Saxena U, Das A. Nanomaterials towards fabrication of cholesterol biosensors: Key roles and design approaches. Biosens Bioelectron 2016; 75:196-205. [DOI: 10.1016/j.bios.2015.08.042] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Revised: 08/19/2015] [Accepted: 08/20/2015] [Indexed: 02/07/2023]
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26
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Yakoh A, Pinyorospathum C, Siangproh W, Chailapakul O. Biomedical Probes Based on Inorganic Nanoparticles for Electrochemical and Optical Spectroscopy Applications. SENSORS 2015; 15:21427-77. [PMID: 26343676 PMCID: PMC4610547 DOI: 10.3390/s150921427] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 08/07/2015] [Accepted: 08/10/2015] [Indexed: 01/20/2023]
Abstract
Inorganic nanoparticles usually provide novel and unique physical properties as their size approaches nanometer scale dimensions. The unique physical and optical properties of nanoparticles may lead to applications in a variety of areas, including biomedical detection. Therefore, current research is now increasingly focused on the use of the high surface-to-volume ratios of nanoparticles to fabricate superb chemical- or biosensors for various detection applications. This article highlights various kinds of inorganic nanoparticles, including metal nanoparticles, magnetic nanoparticles, nanocomposites, and semiconductor nanoparticles that can be perceived as useful materials for biomedical probes and points to the outstanding results arising from their use in such probes. The progress in the use of inorganic nanoparticle-based electrochemical, colorimetric and spectrophotometric detection in recent applications, especially bioanalysis, and the main functions of inorganic nanoparticles in detection are reviewed. The article begins with a conceptual discussion of nanoparticles according to types, followed by numerous applications to analytes including biomolecules, disease markers, and pharmaceutical substances. Most of the references cited herein, dating from 2010 to 2015, generally mention one or more of the following characteristics: a low detection limit, good signal amplification and simultaneous detection capabilities.
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Affiliation(s)
- Abdulhadee Yakoh
- Electrochemistry and Optical Spectroscopy Research Unit (EOSRU), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Patumwan, Bangkok 10330, Thailand.
| | - Chanika Pinyorospathum
- Electrochemistry and Optical Spectroscopy Research Unit (EOSRU), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Patumwan, Bangkok 10330, Thailand.
| | - Weena Siangproh
- Department of Chemistry, Faculty of Science, Srinakharinwirot University, Sukhumvit 23, Wattana, Bangkok 10110, Thailand.
| | - Orawon Chailapakul
- Electrochemistry and Optical Spectroscopy Research Unit (EOSRU), Department of Chemistry, Faculty of Science, Chulalongkorn University, 254 Phayathai Road, Patumwan, Bangkok 10330, Thailand.
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27
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Morzycki JW, Sobkowiak A. Electrochemical oxidation of cholesterol. Beilstein J Org Chem 2015; 11:392-402. [PMID: 25977713 PMCID: PMC4419515 DOI: 10.3762/bjoc.11.45] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Accepted: 03/03/2015] [Indexed: 12/22/2022] Open
Abstract
Indirect cholesterol electrochemical oxidation in the presence of various mediators leads to electrophilic addition to the double bond, oxidation at the allylic position, oxidation of the hydroxy group, or functionalization of the side chain. Recent studies have proven that direct electrochemical oxidation of cholesterol is also possible and affords different products depending on the reaction conditions.
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Affiliation(s)
- Jacek W Morzycki
- Institute of Chemistry, University of Białystok, ul. Ciołkowskiego 1K, 15-245 Białystok, Poland
| | - Andrzej Sobkowiak
- Faculty of Chemistry, Rzeszów University of Technology, P.O. Box 85, 35-959 Rzeszów, Poland
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28
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Abstract
The advent of cancer nanomedicine has forged new pathways for the enhanced imaging and treatment of a broad range of cancers using new classes of materials. Among the many platforms being developed for drug delivery and imaging, nanodiamonds (NDs) possess several important attributes that may be beneficial toward improving the efficacy and safety of cancer nanomedicine applications. These include the uniquely faceted surfaces of the ND particles that result in electrostatic properties that mediate enhanced interactions with water and loaded therapeutic compounds, scalable processing and synthesis parameters, versatility as platform carriers, and a spectrum of other characteristics. In addition, comprehensive in vitro and in vivo studies have demonstrated that NDs are well tolerated. This chapter will examine several recent studies that have harnessed the ND agent as a foundation for both systemic and localized drug delivery, as well as the marked improvements in magnetic resonance imaging efficiency that has been observed following ND-contrast agent conjugation. In addition, insight into the important steps toward bringing the ND translational pathway to the clinic will be discussed.
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Affiliation(s)
- Dean Ho
- Division of Oral Biology and Medicine, UCLA School of Dentistry, 10833 Le Conte Avenue, Room B3-068A, Los Angeles, CA, 90095, USA,
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29
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Raj V, Johnson T, Joseph K. Cholesterol aided etching of tomatine gold nanoparticles: A non-enzymatic blood cholesterol monitor. Biosens Bioelectron 2014; 60:191-4. [DOI: 10.1016/j.bios.2014.03.062] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Revised: 03/27/2014] [Accepted: 03/29/2014] [Indexed: 11/17/2022]
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30
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Wu X, Chai Y, Yuan R, Chen S, Zhang M, Zhang J. Hemin Functionalized Multiwalled Carbon Nanotubes as a Matrix for Sensitive Electrogenerated Chemiluminescence Cholesterol Biosensor. ELECTROANAL 2013. [DOI: 10.1002/elan.201300311] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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31
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Liu R, Wei Y, Zheng J, Zhang H, Sheng Q. A Hydrogen Peroxide Sensor Based on Silver Nanoparticles Biosynthesized byBacillus subtilis. CHINESE J CHEM 2013. [DOI: 10.1002/cjoc.201300487] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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32
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Parlak O, Tiwari A, Turner APF, Tiwari A. Template-directed hierarchical self-assembly of graphene based hybrid structure for electrochemical biosensing. Biosens Bioelectron 2013; 49:53-62. [PMID: 23708818 DOI: 10.1016/j.bios.2013.04.004] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2013] [Revised: 04/03/2013] [Accepted: 04/05/2013] [Indexed: 11/24/2022]
Abstract
A template-directed self-assembly approach, using functionalised graphene as a fundamental building block to obtain a hierarchically ordered graphene-enzyme-nanoparticle bioelectrode for electrochemical biosensing, is reported. An anionic surfactant was used to prepare a responsive, functional interface and direct the assembly on the surface of the graphene template. The surfactant molecules altered the electrostatic charges of graphene, thereby providing a convenient template-directed assembly approach to a free-standing planar sheet of sp(2) carbons. Cholesterol oxidase and cholesterol esterase were assembled on the surface of graphene by intermolecular attractive forces while gold nanoparticles are incorporated into the hetero-assembly to enhance the electro-bio-catalytic activity. Hydrogen peroxide and cholesterol were used as two representative analytes to demonstrate the electrochemical sensing performance of the graphene-based hybrid structure. The bioelectrode exhibited a linear response to H2O2 from 0.01 to 14 mM, with a detection limit of 25 nM (S/N=3). The amperometric response with cholesterol had a linear range from 0.05 to 0.35 mM, sensitivity of 3.14 µA/µM/cm(2) and a detection limit of 0.05 µM. The apparent Michaelis-Menten constant (Km(app)) was calculated to be 1.22 mM. This promising approach provides a novel methodology for template-directed bio-self-assembly over planar sp(2) carbons of a graphene sheet and furnishes the basis for fabrication of ultra-sensitive and efficient electrochemical biosensors.
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Affiliation(s)
- Onur Parlak
- Biosensors and Bioelectronics Centre, Department of Physics, Chemistry and Biology (IFM), Linköping University, 581 83 Linköping, Sweden
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33
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Chemiluminescent cholesterol sensor based on peroxidase-like activity of cupric oxide nanoparticles. Biosens Bioelectron 2012; 43:1-5. [PMID: 23274189 DOI: 10.1016/j.bios.2012.11.031] [Citation(s) in RCA: 80] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Revised: 11/10/2012] [Accepted: 11/26/2012] [Indexed: 11/24/2022]
Abstract
A chemiluminescent cholesterol sensor with good selectivity and enhanced sensitivity was constructed based upon the peroxidase-like activity of cupric oxide nanoparticles. Cupric oxide nanoparticles can catalyze the oxidation of luminol by H2O2, which was produced by the reaction of cholesterol and oxygen that was catalyzed by cholesterol oxidase. Therefore, the oxidation of cholesterol could be transduced into the chemiluminescence of luminol by combining these two reactions. Under the optimum conditions, the CL intensity was proportional to the concentration of cholesterol over the range of 0.625-12.5μM and a detection limit was 0.17μM. The applicability of proposed method has been validated by determination of cholesterol in milk powder and human serum samples with satisfactory results.
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34
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Li R, Xiong C, Xiao Z, Ling L. Colorimetric detection of cholesterol with G-quadruplex-based DNAzymes and ABTS2-. Anal Chim Acta 2012; 724:80-5. [PMID: 22483213 DOI: 10.1016/j.aca.2012.02.015] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2011] [Revised: 02/02/2012] [Accepted: 02/09/2012] [Indexed: 12/17/2022]
Abstract
A novel colorimetric method for detection of cholesterol was developed with hemin-G-quadruplex DNAzyme by transducing oxidation of cholesterol into the color change of 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt (ABTS(2-)). Oligonucleotide 5'-GTGGGTAGGGCGGGTTGG-3' (Oligo-1) formed G-quadruplex structure in the presence of K(+), it acted as a horseradish peroxidase (HRP) mimicking DNAzyme when binding hemin and catalyzed the oxidation of colorless ABTS(2-) to green ABTS(·-) by H(2)O(2), which was produced by the reaction of cholesterol and oxygen that catalyzed by cholesterol oxidase. Therefore, the oxidation of cholesterol could be transduced into the color change of ABTS(2-) by combining these two reactions. Under the optimum conditions, the absorbance was proportional to the concentration of cholesterol over the range of 1.0-30 μM, with a linear regression equation of A=0.362+0.0256C (C: μM, R=0.998) and a detection limit of 0.10 μM (3σ/slope). Moreover, the practicability of the assay in the detection of cholesterol in human serum was studied as well.
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Affiliation(s)
- Ruimin Li
- School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou, PR China
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NAGAOKA T, TOKONAMI S, SHIIGI H, MATSUMOTO H, TAKAGI Y, TAKAHASHI Y. Development of an Electrochemical Cholesterol Sensor System for Food Analysis. ANAL SCI 2012; 28:187-91. [DOI: 10.2116/analsci.28.187] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Tsutomu NAGAOKA
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University
| | - Shiho TOKONAMI
- Nanoscience and Nanotechnology Research Center, Research Organization for the 21th Century, Osaka Prefecture University
| | - Hiroshi SHIIGI
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University
| | - Hiroaki MATSUMOTO
- Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University
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36
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Chiang WH, Chen PY, Nien PC, Ho KC. Amperometric detection of cholesterol using an indirect electrochemical oxidation method. Steroids 2011; 76:1535-40. [PMID: 21964246 DOI: 10.1016/j.steroids.2011.09.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2010] [Revised: 08/19/2011] [Accepted: 09/04/2011] [Indexed: 11/20/2022]
Abstract
The indirect electrochemical oxidation method using bromine species in an organic media for measuring cholesterol was developed. The electrochemical behaviors of cholesterol were examined by cyclic voltammetry in a potential range of -0.5 to 2.0V (vs. Ag/AgCl/saturated KCl). The polarization curve of the steady-state current in the applied potential range of 0-2.0V is reported. The obtained kinetic parameters for the catalytic oxidation of cholesterol support the assumption that positive bromine species can be generated from bromine by undergoing two consecutive electrochemical oxidation steps. The positive bromine acts both as electron mediators and as electrocatalysts. Amperometric detection with an anodic current was investigated, and the calibration curve exhibited a linear relationship between the steady-state current and the concentration of cholesterol in the range of 30-200 μM, from which the sensitivity was calculated to be about 0.2 μA/cm2/μM. Moreover, the amperometric current followed Michaelis-Menten's enzymatic model for cholesterol concentrations in the range of 30 μM to 5mM, which can be applied for cholesterol rapid detection in processed foods.
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Affiliation(s)
- Wei-Hung Chiang
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan
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37
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Han M, Liu S, Bao J, Dai Z. Pd nanoparticle assemblies--as the substitute of HRP, in their biosensing applications for H2O2 and glucose. Biosens Bioelectron 2011; 31:151-6. [PMID: 22100764 DOI: 10.1016/j.bios.2011.10.008] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Revised: 09/22/2011] [Accepted: 10/06/2011] [Indexed: 11/19/2022]
Abstract
The spherical porous Pd nanoparticle assemblies (NPAs) have been successfully synthesized by starch-assisted chemical reduction of Pd(II) species at room temperature. Such Pd NPAs are not simply used to enlarge the surface area and to promote the electron transfer. They also catalyze the reduction of H(2)O(2) which are regarded as horseradish peroxidase (HRP) substitutes in electron transfer process. By using them as electrocatalysts, as low as 6.8×10(-7) M H(2)O(2) can be detected with a linear range from 1.0×10(-6) to 8.2×10(-4) M. Moreover, through co-immobilization of such Pd NPAs and glucose oxidase (GOx), a sensitive and selective glucose biosensor is developed. The detection principle lies on measuring the increase of cathodic current by co-reduction of dissolved oxygen and the in situ generated H(2)O(2) during the enzymatic reaction. Under optimal conditions, the detection limit is down to 6.1×10(-6) M with a very wide linear range from 4.0×10(-5) to 2.2×10(-2) M. The proposed biosensor shows a fast response, good stability, high selectivity and reproducibility of serum glucose level. It provides a promising strategy to construct fast, sensitive, stable and anti-interferential amperometric biosensors for early diagnosis and prevention of diabetes.
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Affiliation(s)
- Min Han
- Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing, 210097, PR China
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38
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High-performance electrochemical biosensor for the detection of total cholesterol. Biosens Bioelectron 2011; 26:4508-13. [DOI: 10.1016/j.bios.2011.05.011] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2011] [Revised: 04/27/2011] [Accepted: 05/05/2011] [Indexed: 11/18/2022]
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39
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Szymanski M, Porter R, Dep GV, Wang Y, Haggett BGD. Silver nanoparticles and magnetic beads with electrochemical measurement as a platform for immunosensing devices. Phys Chem Chem Phys 2011; 13:5383-7. [DOI: 10.1039/c1cp20187e] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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40
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Plowman BJ, Bhargava SK, O'Mullane AP. Electrochemical fabrication of metallic nanostructured electrodes for electroanalytical applications. Analyst 2011; 136:5107-19. [DOI: 10.1039/c1an15657h] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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41
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Fast cholesterol detection using flow injection microfluidic device with functionalized carbon nanotubes based electrochemical sensor. Biosens Bioelectron 2010; 26:1514-20. [DOI: 10.1016/j.bios.2010.07.101] [Citation(s) in RCA: 86] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2010] [Revised: 07/22/2010] [Accepted: 07/26/2010] [Indexed: 11/19/2022]
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