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Anju SM, Merin KA, Varghese S, Shkhair AI, Rajeevan G, Indongo G, George S. Antibody-functionalized gold nanoclusters/gold nanoparticle platform for the fluorescence turn-on detection of cardiac troponin I. Mikrochim Acta 2024; 191:124. [PMID: 38326603 DOI: 10.1007/s00604-024-06194-7] [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: 11/27/2023] [Accepted: 01/05/2024] [Indexed: 02/09/2024]
Abstract
A selective fluorescence turn-on immunosensor for the specific detection of cardiac troponin I (cTnI), the potent biomarker for myocardial infarction diagnosis, was developed with a nano couple comprised of protein-stabilized gold nanocluster and gold nanoparticle. The red fluorescence of cTnI-specific antibody tagged bovine serum albumin stabilized gold nanoclusters was quenched with gold nanoparticles (AuNP) via the intensive interaction between amine and hydroxyl functionalities of BSA and AuNP. Through this, the adsorption of gold nanoclusters at the surface of AuNP, resulting in a core-satellite assembly, was assumed to quench the fluorescence emission. While in the presence of cTnI antigen, this gets disturbed due to the formation of immunocomplex between cTnI antigen and antibody, which restricts the close interaction between gold clusters and nanoparticles, thereby restoring quenched fluorescence. The enhancement in fluorescence signal is directly related to the concentration of cTnI, and this facilitates the selective detection of cTnI in the linear concentration range 0.7 to 10 ng/mL without any interference from other potentially interfering co-existing biomolecules. An appreciable limit of detection of 0.51 ng/mL and a limit of quantification of 0.917 ng/mL for cTnI is comparable to that of the previous report.
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Affiliation(s)
- S Madanan Anju
- Department of Chemistry, School of Physical and Mathematical Science, University of Kerala, Thiruvananthapuram, Kerala, 695581, India
| | - K Abraham Merin
- Department of Chemistry, School of Physical and Mathematical Science, University of Kerala, Thiruvananthapuram, Kerala, 695581, India
| | - Susan Varghese
- Department of Chemistry, School of Physical and Mathematical Science, University of Kerala, Thiruvananthapuram, Kerala, 695581, India
| | - Ali Ibrahim Shkhair
- Department of Chemistry, School of Physical and Mathematical Science, University of Kerala, Thiruvananthapuram, Kerala, 695581, India
| | - Greeshma Rajeevan
- Department of Chemistry, School of Physical and Mathematical Science, University of Kerala, Thiruvananthapuram, Kerala, 695581, India
| | - Geneva Indongo
- Department of Chemistry, School of Physical and Mathematical Science, University of Kerala, Thiruvananthapuram, Kerala, 695581, India
| | - Sony George
- Department of Chemistry, School of Physical and Mathematical Science, University of Kerala, Thiruvananthapuram, Kerala, 695581, India.
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Chen M, Burn PL, Shaw PE. Luminescence-based detection and identification of illicit drugs. Phys Chem Chem Phys 2023; 25:13244-13259. [PMID: 37144605 DOI: 10.1039/d3cp00524k] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
Luminescence-based sensing is capable of being used for the sensitive, rapid, and in some cases selective detection of chemicals. Furthermore, the method is amenable to incorporation into handheld low-power portable detectors that can be used in the field. Luminescence-based detectors are now commercially available for explosive detection with the technology built on a strong foundation of science. In contrast, there are fewer examples of luminescence-based detection of illicit drugs, despite the pervasive and global challenge of combating their manufacture, distribution and consumption and the need for handheld detection systems. This perspective describes the relatively nascent steps that have been reported in the use of luminescent materials for the detection of illicit drugs. Much of the published work has focused on detection of illicit drugs in solution with less work on vapour detection using thin luminescent sensing films. The latter are better suited for handheld sensing devices and detection in the field. Illicit drug detection has been achieved via different mechanisms, all of which change the luminescence of the sensing material. These include photoinduced hole transfer (PHT) leading to quenching of the luminescence, disruption of Förster energy transfer between different chromophores by a drug, and chemical reaction between the sensing material and a drug. The most promising of these is PHT, which can be used for rapid and reversible detection of illicit drugs in solution and film-based sensing of drugs in the vapour phase. However, there are still significant knowledge gaps, for example, how vapours of illicit drugs interact with the sensing films, and how to achieve selectivity for specific drugs.
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Affiliation(s)
- M Chen
- Centre for Organic Photonics & Electronics, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland 4072, Australia.
| | - P L Burn
- Centre for Organic Photonics & Electronics, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland 4072, Australia.
| | - P E Shaw
- Centre for Organic Photonics & Electronics, School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Queensland 4072, Australia.
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Najeeb J, Farwa U, Ishaque F, Munir H, Rahdar A, Nazar MF, Zafar MN. Surfactant stabilized gold nanomaterials for environmental sensing applications - A review. ENVIRONMENTAL RESEARCH 2022; 208:112644. [PMID: 34979127 DOI: 10.1016/j.envres.2021.112644] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 12/11/2021] [Accepted: 12/27/2021] [Indexed: 06/14/2023]
Abstract
Surfactant stabilized Gold (Au) nanomaterials (NMs) have been documented extensively in recent years for numerous sensing applications in the academic literature. Despite the crucial role these surfactants play in the sensing applications, the comprehensive reviews that highlights the fundamentals associated with these assemblies and impact of these surfactants on the properties and sensing mechanisms are still quite scare. This review is an attempt in organizing the vast literature associated with this domain by providing critical insights into the fundamentals, preparation methodologies and sensing mechanisms of these surfactant stabilized Au NMs. For the simplification, the surfactants are divided into the typical and advanced surfactants and the Au NMs are classified into Au nanoparticles (NPs) and Au nanoclusters (NCs) depending upon the complexity in structure and size of the NMs respectively. The preparative methodologies are also elaborated for enhancing the understanding of the readers regarding such assemblies. The case studies regarding surfactant stabilized Au NMs were further divided into colorimetric sensors, surface plasmonic resonance (SPR) based sensors, luminescence-based sensors, and electrochemical/electrical sensors depending upon the property utilized by the sensor for the sensing of an analyte. Future perspectives are also discussed in detail for the researchers looking for further progress in that particular research domain.
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Affiliation(s)
- Jawayria Najeeb
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan
| | - Umme Farwa
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan
| | - Fatima Ishaque
- Department of Chemistry, University of Gujrat, Gujrat, 50700, Pakistan
| | - Hira Munir
- Department of Biochemistry and Biotechnology, University of Gujrat, Gujrat, 50700, Pakistan
| | - Abbas Rahdar
- Department of Physics, University of Zabol, Zabol, 98615-538, Iran
| | - Muhammad Faizan Nazar
- Department of Chemistry, Division of Science and Technology, University of Education Lahore, Multan Campus, 60700, Pakistan.
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Hang Y, Boryczka J, Wu N. Visible-light and near-infrared fluorescence and surface-enhanced Raman scattering point-of-care sensing and bio-imaging: a review. Chem Soc Rev 2022; 51:329-375. [PMID: 34897302 PMCID: PMC9135580 DOI: 10.1039/c9cs00621d] [Citation(s) in RCA: 81] [Impact Index Per Article: 40.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This review article deals with the concepts, principles and applications of visible-light and near-infrared (NIR) fluorescence and surface-enhanced Raman scattering (SERS) in in vitro point-of-care testing (POCT) and in vivo bio-imaging. It has discussed how to utilize the biological transparency windows to improve the penetration depth and signal-to-noise ratio, and how to use surface plasmon resonance (SPR) to amplify fluorescence and SERS signals. This article has highlighted some plasmonic fluorescence and SERS probes. It has also reviewed the design strategies of fluorescent and SERS sensors in the detection of metal ions, small molecules, proteins and nucleic acids. Particularly, it has provided perspectives on the integration of fluorescent and SERS sensors into microfluidic chips as lab-on-chips to realize point-of-care testing. It has also discussed the design of active microfluidic devices and non-paper- or paper-based lateral flow assays for in vitro diagnostics. In addition, this article has discussed the strategies to design in vivo NIR fluorescence and SERS bio-imaging platforms for monitoring physiological processes and disease progression in live cells and tissues. Moreover, it has highlighted the applications of POCT and bio-imaging in testing toxins, heavy metals, illicit drugs, cancers, traumatic brain injuries, and infectious diseases such as COVID-19, influenza, HIV and sepsis.
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Affiliation(s)
- Yingjie Hang
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, MA 01003-9303, USA.
| | - Jennifer Boryczka
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, MA 01003-9303, USA.
| | - Nianqiang Wu
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, MA 01003-9303, USA.
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Vaziri Heshi S, Shokoufi N. Fluorescence resonance energy transfer-thermal lens spectrometry (FRET-TLS) as molecular counting of methamphetamine. Mikrochim Acta 2021; 188:191. [PMID: 33999271 DOI: 10.1007/s00604-021-04842-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 05/03/2021] [Indexed: 11/26/2022]
Abstract
A novel and sensitive approach has been presented for the determination of methamphetamine (METH) based on fluorescence resonance energy transfer-thermal lens spectrometry (FRET-TLS). Due to the affinity of fluorescein molecules to the surface of AuNPs through the electrostatic interaction and thereby caused reduction of the distance between fluorescein and AuNPs, the best way for de-excitation of excited fluorescein is FRET. The energy absorbed by fluorescein transferred to AuNPs causes enhancement of the thermal lens effect. The thermal lens of the fluorescence molecule could be enhanced through a proper acceptor. Upon the addition of methamphetamine, the fluorescein molecules are detached from the surface of AuNPs, due to the stronger adsorption of methamphetamine. As a result, the fluorescence of fluorescein recovered, and the thermal lens effect of fluorescein decreased. The mechanism of energy transfer was evaluated by two different methods including time-resolved spectroscopy and thermal lens spectrometry. Under the optimal conditions, the thermal lens signal was linearly proportional to methamphetamine concentration in the range 5 - 80 nM. The limit of detection and limit of quantitation were 1.5 nM and 4.5 nM, respectively. The detection volume and limit of molecules in the detection volume were 960 attoliter and 87 molecules, respectively. The method was successfully applied for the determination of methamphetamine in human blood plasma and urine.
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Affiliation(s)
- Samira Vaziri Heshi
- Analytical Instrumentation and Spectroscopy Laboratory, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran
| | - Nader Shokoufi
- Analytical Instrumentation and Spectroscopy Laboratory, Chemistry and Chemical Engineering Research Center of Iran, Tehran, Iran.
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Hameed MK, Parambath JBM, Kanan SM, Mohamed AA. FRET-based fluorescent probe for drug assay from amino acid@gold-carbon nanoparticles. Anal Bioanal Chem 2021; 413:1117-1125. [PMID: 33409672 DOI: 10.1007/s00216-020-03075-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/02/2020] [Accepted: 11/16/2020] [Indexed: 12/31/2022]
Abstract
Biocompatible and luminescent nanostructures synthesized by capping gold-carbon nanoparticles (HOOC-4-C6H4-AuNPs) with amino acids tyrosine, tryptophan, and cysteine were used for the quantitative estimation of ranitidine (RNH), a peptic ulcer and gastroesophageal reflux drug. We applied a fluorescence quenching mechanism to investigate the viability of the energy transfer based on gold-carbon nanosensors. Förster resonance energy transfer (FRET) calculations showed a donor-acceptor distance of 1.69 nm (Tyr@AuNPs), 2.27 nm (Trp@AuNPs), and 2.32 nm (Cys@AuNPs). The constant time-resolved fluorescence lifetime measurements supported the static quenching nature. This method was successfully utilized in the detection and quantification of RNH, with a limit of detection (LOD) of 0.174, 0.56, and 0.332 μM for Tyr@AuNP, Trp@AuNP, and Cys@AuNP bioconjugates, respectively. This approach was also successful in the quantification of RNH in spiked serum samples.
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Affiliation(s)
- Mehavesh K Hameed
- Department of Chemistry, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Javad B M Parambath
- Department of Chemistry, University of Sharjah, Sharjah, 27272, United Arab Emirates
| | - Sofian M Kanan
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, Sharjah, 26666, United Arab Emirates
| | - Ahmed A Mohamed
- Department of Chemistry, University of Sharjah, Sharjah, 27272, United Arab Emirates.
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Determination of morphine and its metabolites in the biological samples: an updated review. Bioanalysis 2020; 12:1161-1194. [PMID: 32757855 DOI: 10.4155/bio-2020-0070] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Morphine (MO) as an opioid analgesic is used for the treatment of moderate-to-severe pains, particularly cancer-related pains. Pharmacologic studies on MO are complicated due to drugs binding to the protein or metabolization to active metabolites, and even inter-individual variability. This necessitates the selection of a reliable analytical method for monitoring MO and the concentrations of its metabolites in the biological samples for the pharmacokinetic or pharmacodynamic investigations. Therefore, this study was conducted to review all the analytical research carried out on MO and its metabolites in the biological samples during 2007-2019 as an update to the study by Bosch et al. (2007).
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Qin X, Yuan C, Chen Y, Wang Y. A fluorescein-gold nanoparticles probe based on inner filter effect and aggregation for sensing of biothiols. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2020; 210:111986. [PMID: 32771912 DOI: 10.1016/j.jphotobiol.2020.111986] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 07/21/2020] [Accepted: 07/29/2020] [Indexed: 01/21/2023]
Abstract
Cysteine (Cys), homocysteine (HCys) and glutathione (GSH) are sulfhydryl-containing amino acids known as biothiols being able to bind to gold nanoparticles (AuNPs) via sulfhydryl group, resulting in the aggregation of AuNPs. Owning to their inner filter effect, AuNPs can weaken or even quench the fluorescence of fluorescein. However, the introduction of biothiols to fluorescein-AuNPs leads to the recovery of fluorescein fluorescence. Thus, a simple and reliable turn on fluorescence method was developed for monitoring biothiols with fluorescein-AuNPs as a probe. Several factors, including AuNPs concentration, pH value and incubation time, which might influence the fluorescence reclamation of fluorescein-AuNPs probe, were optimized by taking Cys as an example at room temperature. Under the optimal conditions, sensitive sensing of Cys, HCys and GSH was achieved. The detection limits for Cys, GSH, and HCys were 0.027, 0.023, and 0.030μΜ, respectively. This method was used to the determination of Cys in human serum samples with high precision and accuracy, indicating the potential of the method in practical applications with simple operation, good accuracy and high sensitivity.
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Affiliation(s)
- Xiu Qin
- School of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Biorefinery, Guangxi University, Nanning 530004, China
| | - Chunling Yuan
- School of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Biorefinery, Guangxi University, Nanning 530004, China
| | - Yuye Chen
- School of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Biorefinery, Guangxi University, Nanning 530004, China
| | - Yilin Wang
- School of Chemistry and Chemical Engineering, Guangxi Key Laboratory of Biorefinery, Guangxi University, Nanning 530004, China.
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Mohammadi S, Taher MA, Beitollahi H. A hierarchical 3D camellia-like molybdenum tungsten disulfide architectures for the determination of morphine and tramadol. Mikrochim Acta 2020; 187:312. [PMID: 32367346 DOI: 10.1007/s00604-020-4134-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 01/23/2020] [Indexed: 12/18/2022]
Abstract
A practical technique was applied to fabricate MoWS2 nanocomposite through a one-pot hydrothermal method for use as the electrocatalyst. The characterization of MoWS2 nanocomposite was investigated by several techniques to identify the size, crystal structure, and elemental composition. MoWS2 nanocomposite exhibited a unique and well-defined hierarchical structure with neatly and densely piled nanopetals acting as the active sites in the electrocatalytic reactions. A carbon screen-printed electrode (CSPE) modified with interesting MoWS2 nanopetals (MoWS2/CSPE) was constructed. Subsequently, the electrochemical oxidation of morphine on fabricated MoWS2/CSPE was studied. Experimental results confirm that under optimized conditions, the maximum oxidation current of morphine occurs at 275 mV in the case of MoWS2/CSPE that is around 100 mV more negative than that observed in the case of the unmodified CSPE and about 2.6 times increase was observed for the oxidation peak current. The analytical approach was obtained by differential pulse voltammetry in accordance with the relationship between the oxidation peak current and the morphine concentration. The oxidation peak currents for morphine were found to vary linearly with its concentrations in the range of 4.8 × 10-8-5.05 × 10-4 M with the detection limit of 1.44 × 10-8 M. Two completely separated signals occured at the potentials of 275 mV and 920 mV for oxidation of morphine and tramadol at the surface of MoWS2/CSPE which are sufficient for determination of morphine in the presence of tramadol. The presence of morphine was also detected in real samples using the introduced approach. Graphical abstract Schematic representation of fabrication of the MoWS2 nanocomposite through a one-pot hydrothermal method for use as the electrocatalyst. A carbon screen-printed electrode was modified with MoWS2 nanocomposite. Subsequently, the electrochemical oxidation of morphine on the fabricated electrode was studied.
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Affiliation(s)
- Somayeh Mohammadi
- Department of Chemistry, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, 7616914111, Iran. .,Young Researchers Society, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - Mohammad Ali Taher
- Department of Chemistry, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, 7616914111, Iran.
| | - Hadi Beitollahi
- Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, 7631818356, Iran
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