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Bhaskar S, Singh AK, Das P, Jana P, Kanvah S, Bhaktha B N S, Ramamurthy SS. Superior Resonant Nanocavities Engineering on the Photonic Crystal-Coupled Emission Platform for the Detection of Femtomolar Iodide and Zeptomolar Cortisol. ACS APPLIED MATERIALS & INTERFACES 2020; 12:34323-34336. [PMID: 32597162 DOI: 10.1021/acsami.0c07515] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Although luminescence spectroscopy has been a promising sensing technology with widespread applications in point-of-care diagnostics and chem-bio detection, it fundamentally suffers from low signal collection efficiency, considerable background noise, poor photostability, and intrinsic omnidirectional emission properties. In this regard, surface plasmon-coupled emission, a versatile plasmon-enhanced detection platform with >50% signal collection efficiency, high directionality, and polarization has previously been explored to amplify the limit of detection of desired analytes. However, high Ohmic loss in metal-dependent plasmonic platforms has remained an inevitable challenge. Here, we develop a hybrid nanocavity interface on a template-free and loss-less photonic crystal-coupled emission (PCCE) platform by the quintessential integration of high refractive index dielectric Nd2O3 "Huygens sources" and sharp-edged silver nanoprisms (NPrs). While efficient forward light scattering characteristics of Nd2O3 nanorods (NRs) present 460-fold emission enhancements in PCCE, the tunable localized plasmon resonances of NPrs display high electromagnetic field confinement at sharp nanotips and protrusions, boosting the enhancements 947-fold. The judicious use of silver NPr (AgNPr) metal-Nd2O3 dielectric hybrid resonances in conjugation with surface-trapped Bloch surface waves of the one-dimensional photonic crystal (1DPhC) displayed unprecedented >1300-fold enhancements. The experimental results are validated by excellent correlations with numerical calculations. The multifold hotspots generated by zero and nonzero nanogaps between the coassembly of NPrs, NRs, and 1DPhCs are used for (i) determination of hyper and hypothyroidism levels through monitoring the concentration of iodide (I-) ions and (ii) single-molecule detection (zeptomolar) of the stress hormone, cortisol, through the synthesized cortisol-rhodamine B conjugate obtained using a simple esterification reaction.
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Affiliation(s)
- Seemesh Bhaskar
- STAR Laboratory, Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam, Puttaparthi, Anantapur, Andhra Pradesh 515134, India
| | - Adarsh Kumar Singh
- STAR Laboratory, Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam, Puttaparthi, Anantapur, Andhra Pradesh 515134, India
| | - Pratyusha Das
- Department of Physics, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Palash Jana
- Department of Chemistry, Indian Institute of Technology, Gandhinagar 382355, India
| | - Sriram Kanvah
- Department of Chemistry, Indian Institute of Technology, Gandhinagar 382355, India
| | - Shivakiran Bhaktha B N
- Department of Physics, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Sai Sathish Ramamurthy
- STAR Laboratory, Department of Chemistry, Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam, Puttaparthi, Anantapur, Andhra Pradesh 515134, India
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Zhang B, He Y, Fan Z. Nitrogen-doped graphene quantum dots as highly sensitive and selective fluorescence sensor detection of iodide ions in milk powder. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.09.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Peng R, He H, Wang Q, Yan X, Yu Q, Qin H, Lei Y, Luo L, Feng Y. Cu(Ⅱ) triggering redox-regulated anti-aggregation of gold nanoparticles for ultrasensitive visual sensing of iodide. Anal Chim Acta 2018; 1036:147-152. [DOI: 10.1016/j.aca.2018.06.080] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 06/13/2018] [Accepted: 06/29/2018] [Indexed: 12/17/2022]
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Hasanzadeh M, Navay Baghban H, Shadjou N. Non-enzymatic Determination of L-Proline Amino Acid in Unprocessed Human Plasma Sample Using Hybrid of Graphene Quantum Dots Decorated with Gold Nanoparticles and Poly Cysteine: A Novel Signal Amplification Strategy. ANAL SCI 2018. [PMID: 29526905 DOI: 10.2116/analsci.34.355] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
An innovative electrochemical interface for quantitation of L-proline (L-Pro) based on ternary amplification strategy was fabricated. In this work, gold nanoparticles prepared by soft template methodology were immobilized onto green and biocompatible nanocomposite containing poly as a conductive matrix and graphene quantum dots as the amplification element. Therefore, a novel multilayer film based on poly-L-cysteine, graphene quantum dots (GQDs), and gold nanoparticles (GNPs) was exploited to develop a highly sensitive electrochemical sensor for the detection of L-Pro. Fully electrochemical methodology was used to prepare a new transducer on a glassy carbon electrode, which provided a high surface area towards sensitive detection of L-Pro. The prepared electrode was employed for the detection of L-Pro. Under optimized conditions, the calibration curve for L-Pro concentration was linear in 0.5 nM - 10 mM with a low limit of quantification of 0.1 nM. The practical analytical utility of the modified electrode was illustrated by determination of L-Pro in unprocessed human plasma samples.
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Affiliation(s)
- M Hasanzadeh
- Drug Applied Research Center, Tabriz University of Medical Sciences
| | - H Navay Baghban
- Pharmaceutical Analysis Research Center and Faculty of Pharmacy, Tabriz University of Medical Sciences
| | - N Shadjou
- Department of Nano Technology, Faculty of Science, Urmia University
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Morita K, Kurusu S, Kodama H, Hirayama N. Effect of the Elemental Composition of Precursors from Amino Acids and Their Binary Mixtures on the Photoluminescent Intensity of Carbon Nanodots. ANAL SCI 2018; 33:1461-1464. [PMID: 29225241 DOI: 10.2116/analsci.33.1461] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
We report on the photoluminescent (PL) properties of carbon nanodots (CNDs) doped with nitrogen and sulfur obtained by the pyrolytic carbonization of amino acids as precursors. Prepared CNDs exhibit stable PL emission under a wide variety of aqueous conditions. The results also provided the way to tune a PL intensity of CNDs by varying the amount of heteroatoms in precursors with a binary mixture of amino acids. The PL quantum yields of the obtained CNDs were determined to be from 0.079 to 0.571.
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Affiliation(s)
- Kotaro Morita
- Department of Chemistry, Faculty of Science, Toho University
| | - Shusei Kurusu
- Department of Chemistry, Faculty of Science, Toho University
| | - Haruka Kodama
- Department of Chemistry, Faculty of Science, Toho University
| | - Naoki Hirayama
- Department of Chemistry, Faculty of Science, Toho University
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Cho E, Perebikovsky A, Benice O, Holmberg S, Madou M, Ghazinejad M. Rapid Iodine Sensing on Mechanically Treated Carbon Nanofibers. SENSORS 2018; 18:s18051486. [PMID: 29747414 PMCID: PMC5982240 DOI: 10.3390/s18051486] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 05/04/2018] [Accepted: 05/04/2018] [Indexed: 11/16/2022]
Abstract
In this work, we report on a rapid, efficient electrochemical iodine sensor based on mechanically treated carbon nanofiber (MCNF) electrodes. The electrode’s highly graphitic content, unique microstructure, and the presence of nitrogen heteroatoms in its atomic lattice contribute to increased heterogeneous electron transfer and improved kinetics compared to conventional pyrolytic carbons. The electrode demonstrates selectivity for iodide ions in the presence of both interfering agents and high salt concentrations. The sensor exhibits clinically relevant limits of detection of 0.59 µM and 1.41 µM, in 1X PBS and synthetic urine, respectively, and a wide dynamic range between 5 µM and 700 µM. These results illustrate the advantages of the material’s unique electrochemical properties for iodide sensing, in addition to its simple, inexpensive fabrication. The reported iodine sensor eliminates the need for specimen processing, revealing its aptitude for applications in point-of-care diagnostics.
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Affiliation(s)
- Eunbyul Cho
- Department of Biomedical Engineering, University of California, Irvine, CA 92697, USA.
| | | | - Olivia Benice
- Department of Chemistry, University of California, Irvine, CA 92697, USA.
| | - Sunshine Holmberg
- Department of Mechanical and Aerospace Engineering, University of California, Irvine, CA 92697, USA.
| | - Marc Madou
- Department of Mechanical and Aerospace Engineering, University of California, Irvine, CA 92697, USA.
| | - Maziar Ghazinejad
- Department of Mechanical and Aerospace Engineering, University of California, Irvine, CA 92697, USA.
- Department of Mechanical Engineering, California State University, Fresno, CA 93740, USA.
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Hou W, Chen Y, Lu Q, Liu M, Zhang Y, Yao S. Silver ions enhanced AuNCs fluorescence as a turn-off nanoprobe for ultrasensitive detection of iodide. Talanta 2018; 180:144-149. [DOI: 10.1016/j.talanta.2017.12.047] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Revised: 11/29/2017] [Accepted: 12/14/2017] [Indexed: 01/02/2023]
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Li Z, Liu R, Xing G, Wang T, Liu S. A novel fluorometric and colorimetric sensor for iodide determination using DNA-templated gold/silver nanoclusters. Biosens Bioelectron 2017; 96:44-48. [DOI: 10.1016/j.bios.2017.01.005] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2016] [Accepted: 01/04/2017] [Indexed: 11/24/2022]
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KONKAYAN M, LIMCHOOWONG N, SRICHAROEN P, CHANTHAI S. A Highly Sensitive and Selective Method for the Determination of an Iodate in Table-salt Samples Using Malachite Green-based Spectrophotometry. ANAL SCI 2016; 32:1231-1236. [PMID: 27829631 DOI: 10.2116/analsci.32.1231] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Mongkol KONKAYAN
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University
| | - Nunticha LIMCHOOWONG
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University
| | - Phitchan SRICHAROEN
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University
| | - Saksit CHANTHAI
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University
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