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Lamba R, Yukta Y, Mondal J, Kumar R, Pani B, Singh B. Carbon Dots: Synthesis, Characterizations, and Recent Advancements in Biomedical, Optoelectronics, Sensing, and Catalysis Applications. ACS APPLIED BIO MATERIALS 2024; 7:2086-2127. [PMID: 38512809 DOI: 10.1021/acsabm.4c00004] [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] [Indexed: 03/23/2024]
Abstract
Carbon nanodots (CNDs), a fascinating carbon-based nanomaterial (typical size 2-10 nm) owing to their superior optical properties, high biocompatibility, and cell penetrability, have tremendous applications in different interdisciplinary fields. Here, in this Review, we first explore the superiority of CNDs over other nanomaterials in the biomedical, optoelectronics, analytical sensing, and photocatalysis domains. Beginning with synthesis, characterization, and purification techniques, we even address fundamental questions surrounding CNDs such as emission origin and excitation-dependent behavior. Then we explore recent advancements in their applications, focusing on biological/biomedical uses like specific organelle bioimaging, drug/gene delivery, biosensing, and photothermal therapy. In optoelectronics, we cover CND-based solar cells, perovskite solar cells, and their role in LEDs and WLEDs. Analytical sensing applications include the detection of metals, hazardous chemicals, and proteins. In catalysis, we examine roles in photocatalysis, CO2 reduction, water splitting, stereospecific synthesis, and pollutant degradation. With this Review, we intend to further spark interest in CNDs and CND-based composites by highlighting their many benefits across a wide range of applications.
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Affiliation(s)
- Rohan Lamba
- School of Chemical Sciences, Indian Institute of Technology Mandi, Mandi, Himachal Pradesh 175075, India
| | - Yukta Yukta
- Department of Chemistry, University of Delhi, Delhi 110007, India
| | - Jiban Mondal
- School of Chemical Sciences, Indian Institute of Technology Mandi, Mandi, Himachal Pradesh 175075, India
| | - Ram Kumar
- Department of Chemistry, University of Delhi, Delhi 110007, India
- Department of Chemistry, Bhaskaracharya College of Applied Sciences, University of Delhi, New Delhi 110075, India
| | - Balaram Pani
- Department of Chemistry, Bhaskaracharya College of Applied Sciences, University of Delhi, New Delhi 110075, India
| | - Bholey Singh
- Department of Chemistry, Swami Shraddhanand College, University of Delhi, Delhi 110036, India
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Kaur I, Batra V, Bogireddy NK, Baveja J, Kumar Y, Agarwal V. Chemical- and green-precursor-derived carbon dots for photocatalytic degradation of dyes. iScience 2024; 27:108920. [PMID: 38352227 PMCID: PMC10863327 DOI: 10.1016/j.isci.2024.108920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024] Open
Abstract
Rapid industrialization and untreated industrial effluents loaded with toxic and carcinogenic contaminants, especially dyes that discharge into environmental waters, have led to a rise in water pollution, with a substantial adverse impact on marine life and humankind. Photocatalytic techniques are one of the most successful methods that help in degradation and/or removal of such contaminants. In recent years, semiconductor quantum dots are being substituted by carbon dots (CDs) as photocatalysts, due to the ease of formation, cost-effectiveness, possible sustainability and scalability, much lower toxicity, and above all its high capacity to harvest sunlight (UV, visible, and near infrared) through electron transfer that enhances the lifetime of the photogenerated charge carriers. A better understanding between the properties of the CDs and their role in photocatalytic degradation of dyes and contaminants is required for the formation of controllable structures and adjustable outcomes. The focus of this review is on CDs and its composites as photocatalysts obtained from different sustainable green as well as chemical precursors. Apart from the synthesis, characterization, and properties of the CDs, the study also highlights the effect of different parameters on the photocatalytic properties of CDs and their composites for catalytic dye degradation mechanisms in detail. Besides the present research development in the field, potential challenges and future perspectives are also presented.
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Affiliation(s)
- Inderbir Kaur
- Department of Electronic Science, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi, India
| | - Vandana Batra
- Department of Physics, Bhaskaracharya College of Applied Sciences, University of Delhi, Delhi, India
| | | | - Jasmina Baveja
- Invited Researcher at Center for Research in Engineering and Applied Sciences (CIICAp-IICBA), Autonomous State University of Morelos (UAEM), Av. Univ. 1001, Col. Chamilpa, Cuernavaca, Morelos 62209, Mexico
| | - Y. Kumar
- Departamento de Fisico Matematica, UANL, Monterrey, Mexico
| | - V. Agarwal
- Center for Research in Engineering and Applied Sciences (CIICAp-IICBA), Autonomous State University of Morelos (UAEM), Av. Univ. 1001, Col. Chamilpa, Cuernavaca, Morelos 62209, Mexico
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Foster D, Cakley A, Larsen J. Optimizing enzyme-responsive polymersomes for protein-based therapies. Nanomedicine (Lond) 2024; 19:213-229. [PMID: 38271081 DOI: 10.2217/nnm-2023-0300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2024] Open
Abstract
Aims: Stimuli-responsive polymersomes are promising tools for protein-based therapies, but require deeper understanding and optimization of their pathology-responsive behavior. Materials & methods: Hyaluronic acid (HA)-poly(b-lactic acid) (PLA) polymersomes self-assembled from block copolymers of varying molecular weights of HA were compared for their physical properties, degradation and intracellular behavior. Results: Major results showed increasing enzyme-responsivity associated with decreasing molecular weight. The major formulation differences were as follows: the HA(5 kDa)-PLA formulation exhibited the most pronounced release of encapsulated proteins, while the HA(7 kDa)-PLA formulation showed the most different release behavior from neutral. Conclusion: We have discovered design rules for HA-PLA polymersomes for protein delivery, with lower molecular weight leading to higher encapsulation efficiency, greater release and greater intracellular uptake.
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Affiliation(s)
- Dorian Foster
- Department of Chemical & Biomolecular Engineering, Center for Nanotherapeutic Strategies in the Central Nervous System, Clemson University, Clemson, SC 29631, USA
| | - Alaura Cakley
- Department of Chemical & Biomolecular Engineering, Center for Nanotherapeutic Strategies in the Central Nervous System, Clemson University, Clemson, SC 29631, USA
| | - Jessica Larsen
- Department of Chemical & Biomolecular Engineering, Center for Nanotherapeutic Strategies in the Central Nervous System, Clemson University, Clemson, SC 29631, USA
- Department of Bioengineering, Center for Nanotherapeutic Strategies in the Central Nervous System, Clemson University, Clemson, SC 29631, USA
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Zhang P, Zhang C, Song J, Wang S, Li Q, Su F, Li S. Novel fluorescent nanoprobe based on hyaluronic acid and polyethyleneimine functionalized graphene oxide for detecting hyaluronidase as tumor marker. POLYM ADVAN TECHNOL 2023. [DOI: 10.1002/pat.6055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
Affiliation(s)
- Ping Zhang
- College of Chemical Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Chaoqun Zhang
- College of Chemical Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Jie Song
- College of Chemical Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Shuxin Wang
- College of Chemical Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Qian Li
- College of Chemical Engineering Qingdao University of Science and Technology Qingdao 266042 China
- Cancer Institute Affiliated Hospital of Qingdao University Qingdao 266071 China
| | - Feng Su
- College of Chemical Engineering Qingdao University of Science and Technology Qingdao 266042 China
- Institute of High Performance Polymers Qingdao University of Science and Technology Qingdao 266042 China
| | - Suming Li
- Institut Europeen des Membranes IEM UMR 5635, Université Montpellier CNRS, ENSCM Montpellier France
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Atchudan R, Perumal S, Edison TNJI, Sundramoorthy AK, Vinodh R, Sangaraju S, Kishore SC, Lee YR. Natural Nitrogen-Doped Carbon Dots Obtained from Hydrothermal Carbonization of Chebulic Myrobalan and Their Sensing Ability toward Heavy Metal Ions. SENSORS (BASEL, SWITZERLAND) 2023; 23:787. [PMID: 36679584 PMCID: PMC9865267 DOI: 10.3390/s23020787] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 01/05/2023] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
Chebulic Myrobalan is the main ingredient in the Ayurvedic formulation Triphala, which is used for kidney and liver dysfunctions. Herein, natural nitrogen-doped carbon dots (NN-CDs) were prepared from the hydrothermal carbonization of Chebulic Myrobalan and were demonstrated to sense heavy metal ions in an aqueous medium. Briefly, the NN-CDs were developed from Chebulic Myrobalan by a single-step hydrothermal carbonization approach under a mild temperature (200 °C) without any capping and passivation agents. They were then thoroughly characterized to confirm their structural and optical properties. The resulting NN-CDs had small particles (average diameter: 2.5 ± 0.5 nm) with a narrow size distribution (1-4 nm) and a relatable degree of graphitization. They possessed bright and durable fluorescence with excitation-dependent emission behaviors. Further, the as-synthesized NN-CDs were a good fluorometric sensor for the detection of heavy metal ions in an aqueous medium. The NN-CDs showed sensitive and selective sensing platforms for Fe3+ ions; the detection limit was calculated to be 0.86 μM in the dynamic range of 5-25 μM of the ferric (Fe3+) ion concentration. Moreover, these NN-CDs could expand their application as a potential candidate for biomedical applications and offer a new method of hydrothermally carbonizing waste biomass.
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Affiliation(s)
- Raji Atchudan
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
| | - Suguna Perumal
- Department of Chemistry, Sejong University, Seoul 143747, Republic of Korea
| | | | - Ashok K. Sundramoorthy
- Department of Prosthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Poonamallee High Road, Velappanchavadi, Chennai 600077, Tamil Nadu, India
| | - Rajangam Vinodh
- Green Hydrogen Lab (GH2Lab), Institute for Hydrogen Research (IHR), Université du Québec à Trois-Rivières (UQTR), 3351 Boulevard des Forges, Trois-Rivières, QC G9A 5H7, Canada
| | - Sambasivam Sangaraju
- National Water and Energy Center, United Arab Emirates University, Al Ain 15551, United Arab Emirates
| | - Somasundaram Chandra Kishore
- Saveetha School of Engineering, Department of Biomedical Engineering, Saveetha Institute of Medical and Technical Sciences, Saveetha Nagar, Chennai 602105, Tamil Nadu, India
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea
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Song FX, Xu X, Ding H, Yu L, Huang H, Hao J, Wu C, Liang R, Zhang S. Recent Progress in Nanomaterial-Based Biosensors and Theranostic Nanomedicine for Bladder Cancer. BIOSENSORS 2023; 13:106. [PMID: 36671940 PMCID: PMC9855444 DOI: 10.3390/bios13010106] [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: 10/19/2022] [Revised: 12/29/2022] [Accepted: 01/03/2023] [Indexed: 06/17/2023]
Abstract
Bladder cancer (BCa) is one of the most expensive and common malignancies in the urinary system due to its high progression and recurrence rate. Although there are various methods, including cystoscopy, biopsy, and cytology, that have become the standard diagnosis methods for BCa, their intrinsic invasive and inaccurate properties need to be overcome. The novel urine cancer biomarkers are assisted by nanomaterials-based biosensors, such as field-effect transistors (FETs) with high sensitivity and specificity, which may provide solutions to these problems. In addition, nanomaterials can be applied for the advancement of next-generation optical imaging techniques and the contrast agents of conventional techniques; for example, magnetic resonance imaging (MRI) for the diagnosis of BCa. Regarding BCa therapy, nanocarriers, including mucoadhesive nanoparticles and other polymeric nanoparticles, successfully overcome the disadvantages of conventional intravesical instillation and improve the efficacy and safety of intravesical chemotherapy for BCa. Aside from chemotherapy, nanomedicine-based novel therapies, including photodynamic therapy (PDT), photothermal therapy (PTT), chemodynamic therapy (CDT), sonodynamic therapy (SDT), and combination therapy, have afforded us new ways to provide BC therapy and hope, which can be translated into the clinic. In addition, nanomotors and the nanomaterials-based solid tumor disassociation strategy provide new ideas for future research. Here, the advances in BCa diagnosis and therapy mentioned above are reviewed in this paper.
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Affiliation(s)
- Fan-Xin Song
- Department of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen University, Shenzhen 518000, China
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Xiaojian Xu
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Hengze Ding
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Le Yu
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Haochen Huang
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Jinting Hao
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Chenghao Wu
- Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
- College of Nano Science & Technology (CNST), Soochow University, Suzhou 215123, China
| | - Rui Liang
- Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Shaohua Zhang
- Department of Urology, The Third Affiliated Hospital of Shenzhen University, Shenzhen University, Shenzhen 518000, China
- Department of Urology, The Affiliated South China Hospital of Shenzhen University, Shenzhen University, Shenzhen 518000, China
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Che J, Jiang X, Fan Y, Li M, Zhang X, Gao D, Ning Z, Li H. A Novel Dual-Emission Fluorescence Probe Based on CDs and Eu 3+ Functionalized UiO-66-(COOH) 2 Hybrid for Visual Monitoring of Cu 2. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7933. [PMID: 36431418 PMCID: PMC9692640 DOI: 10.3390/ma15227933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/07/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
In this work, CDs@Eu-UiO-66(COOH)2 (denoted as CDs-F2), a fluorescent material made up of carbon dots (CDs) and a Eu3+ functionalized metal-organic framework, has been designed and prepared via a post-synthetic modification method. The synthesized CDs-F2 presents dual emissions at 410 nm and 615 nm, which can effectively avoid environmental interference. CDs-F2 exhibits outstanding selectivity, great sensitivity, and good anti-interference for ratiometric sensing Cu2+ in water. The linear range is 0-200 µM and the limit of detection is 0.409 µM. Interestingly, the CDs-F2's silicon plate achieves rapid and selective detection of Cu2+. The change in fluorescence color can be observed by the naked eye. These results reveal that the CDs-F2 hybrid can be employed as a simple, rapid, and sensitive fluorescent probe to detect Cu2+. Moreover, the possible sensing mechanism of this dual-emission fluorescent probe is discussed in detail.
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Affiliation(s)
- Jie Che
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Xin Jiang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Yangchun Fan
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Mingfeng Li
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Xuejuan Zhang
- The Experiment Center, Shandong Police College, Jinan 250014, China
| | - Daojiang Gao
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Zhanglei Ning
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China
| | - Hongda Li
- Liuzhou Key Laboratory for New Energy Vehicle Power Lithium Battery, School of Electronic Engineering, Guangxi University of Science and Technology, Liuzhou 545006, China
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Disha, Kumari P, Patel MK, Kumar P, Nayak MK. Carbon Dots Conjugated Antibody as an Effective FRET-Based Biosensor for Progesterone Hormone Screening. BIOSENSORS 2022; 12:993. [PMID: 36354503 PMCID: PMC9688503 DOI: 10.3390/bios12110993] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/04/2022] [Accepted: 11/06/2022] [Indexed: 08/29/2023]
Abstract
In this work, carbon dots (CDs) were synthesized by a one-step hydrothermal method using citric acid and ethylene diamine, and covalently functionalized with antibodies for the sensing of progesterone hormone. The structural and morphological analysis reveals that the synthesized CDs are of average size (diameter 8-10 nm) and the surface functionalities are confirmed by XPS, XRD and FT-IR. Further graphene oxide (GO) is used as a quencher due to the fluorescence resonance energy transfer (FRET) mechanism, whereas the presence of the analyte progesterone turns on the fluorescence because of displacement of GO from the surface of CDs effectively inhibiting FRET efficiency due to the increased distance between donor and acceptor moieties. The linear curve is obtained with different progesterone concentrations with 13.8 nM detection limits (R2 = 0.974). The proposed optical method demonstrated high selectivity performance in the presence of structurally resembling interfering compounds. The PL intensity increased linearly with the increased progesterone concentration range (10-900 nM) under the optimal experimental parameters. The developed level-free immunosensor has emerged as a potential platform for simplified progesterone analysis due to the high selectivity performance and good recovery in different samples of spiked water.
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Affiliation(s)
- Disha
- Materials Science and Sensor Applications, CSIR-Central Scientific Instruments Organisation (CSIR-CSIO), Sector 30-C, Chandigarh 160030, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Poonam Kumari
- Materials Science and Sensor Applications, CSIR-Central Scientific Instruments Organisation (CSIR-CSIO), Sector 30-C, Chandigarh 160030, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Manoj K. Patel
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
- Manufacturing Science and lnstrumentation, CSIR-Central Scientific Instruments Organisation (CSIR-CSIO), Sector 30-C, Chandigarh 160030, India
| | | | - Manoj K. Nayak
- Materials Science and Sensor Applications, CSIR-Central Scientific Instruments Organisation (CSIR-CSIO), Sector 30-C, Chandigarh 160030, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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Chen X, Huang Q, Ruan S, Luo F, You R, Feng S, Zhu L, Wu Y, Lu Y. Self-calibration SERS sensor with “core-satellite” structure for detection of hyaluronidase activity. Anal Chim Acta 2022; 1227:340302. [DOI: 10.1016/j.aca.2022.340302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 08/19/2022] [Accepted: 08/20/2022] [Indexed: 11/01/2022]
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Enhancing the electrocatalytic activity of palladium nanocluster tags by selective introduction of gold atoms: Application for a wound infection biomarker detection. Biosens Bioelectron 2022; 200:113926. [PMID: 34990956 DOI: 10.1016/j.bios.2021.113926] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/11/2021] [Accepted: 12/25/2021] [Indexed: 11/23/2022]
Abstract
In this work, an unprecedented study exploring the role that slight changes into the Pd/Au proportion have in the electrocatalytic activity of bimetallic Pd-AuNPs toward the oxygen reduction reaction (ORR) is conducted. In particular, a careful control of the amount of Au atoms introduced in the cluster and the evaluation of the optimum Pd:Au ratio for getting the maximum catalytic activity is performed for the first time. First, PdNPs are synthesized by alcohol reduction in the presence of polyvinylpyrrolidone, and gold atoms are selectively introduced on vertex or corner positions of the cluster in different amounts following a galvanic substitution procedure. Average elemental analysis done relying on EDX spectroscopy allows to evaluate the Pd:Au ratio in the Pd-AuNPs obtained. Lineal sweep voltammetry and chronoamperometry are used for the evaluation of the Pd-AuNPs electrocatalytic activity toward ORR at a neutral pH compared to PdNPs and AuNPs alone. Our results indicate that, the synergy between both metals is strongly enhanced when the amount of gold is controlled and occupies the more reactive positions of the cluster, reaching a maximum activity for the NPs containing a 30% of gold, while an excess of this metal leads to a decrease in such activity, as a shelter of the PdNPs is achieved. Chronoamperometric analysis allows the quantification of the optimal Pd-AuNPs at over 6 × 109 NPs/mL levels. Such optimal Pd-AuNPs were used as tags, taking advantage of the bio-functionalities of gold present in the cluster, in a proof-of-concept electrochemical immunosensor for the detection of hyaluronidase wound infection biomarker, using magnetic beads as platforms. Hyaluronidase was detected at levels as low as 50 ng/mL (0.02 U/mL; 437 U/mg) with good reproducibility (RSD below 8%) and selectivity (evaluated against bovine serum albumin, immunoglobulin G and lysozyme). The low matrix effects inherent to the use of magnetic bead platforms allowed us to discriminate between wound exudates with both sterile and infected ulcers without sample pre-treatment. This novel electrocatalytic immunoassay has the advantage, over common methods for NP tags electrochemical detection, of the signal generation in the same neutral medium where the immunoassay takes place (10 mM PBS pH 7.4), avoiding the use of additional and hazardous reagents, bringing it closer to their use as point-of-care devices. Overall, our findings may be of great interest not only for biosensing, but also for applications such as energy converting on fuel cells, in which the ORR has a pivotal role.
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Ong JJ, Pollard TD, Goyanes A, Gaisford S, Elbadawi M, Basit AW. Optical biosensors - Illuminating the path to personalized drug dosing. Biosens Bioelectron 2021; 188:113331. [PMID: 34038838 DOI: 10.1016/j.bios.2021.113331] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 05/06/2021] [Accepted: 05/08/2021] [Indexed: 02/06/2023]
Abstract
Optical biosensors are low-cost, sensitive and portable devices that are poised to revolutionize the medical industry. Healthcare monitoring has already been transformed by such devices, with notable recent applications including heart rate monitoring in smartwatches and COVID-19 lateral flow diagnostic test kits. The commercial success and impact of existing optical sensors has galvanized research in expanding its application in numerous disciplines. Drug detection and monitoring seeks to benefit from the fast-approaching wave of optical biosensors, with diverse applications ranging from illicit drug testing, clinical trials, monitoring in advanced drug delivery systems and personalized drug dosing. The latter has the potential to significantly improve patients' lives by minimizing toxicity and maximizing efficacy. To achieve this, the patient's serum drug levels must be frequently measured. Yet, the current method of obtaining such information, namely therapeutic drug monitoring (TDM), is not routinely practiced as it is invasive, expensive, time-consuming and skilled labor-intensive. Certainly, optical sensors possess the capabilities to challenge this convention. This review explores the current state of optical biosensors in personalized dosing with special emphasis on TDM, and provides an appraisal on recent strategies. The strengths and challenges of optical biosensors are critically evaluated, before concluding with perspectives on the future direction of these sensors.
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Affiliation(s)
- Jun Jie Ong
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom
| | - Thomas D Pollard
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom
| | - Alvaro Goyanes
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom; Departamento de Farmacología, Farmacia y Tecnología Farmacéutica, I+D Farma Group (GI-1645), Universidade de Santiago de Compostela, 15782, Spain
| | - Simon Gaisford
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom
| | - Mohammed Elbadawi
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom
| | - Abdul W Basit
- Department of Pharmaceutics, UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London, WC1N 1AX, United Kingdom.
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