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Khorshid Sokhangouy S, Alizadeh F, Lotfi M, Sharif S, Ashouri A, Yoosefi Y, Bozorg Qomi S, Abbaszadegan MR. Recent advances in CRISPR-Cas systems for colorectal cancer research and therapeutics. Expert Rev Mol Diagn 2024; 24:677-702. [PMID: 39132997 DOI: 10.1080/14737159.2024.2388777] [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: 12/20/2023] [Accepted: 07/28/2024] [Indexed: 08/13/2024]
Abstract
INTRODUCTION Colon cancer, ranked as the fourth leading global cause of cancer death, exhibits a complex progression marked by genetic variations. Over the past decade, the utilization of diverse CRISPR systems has propelled accelerated research into colorectal cancer (CRC) treatment. AREAS COVERED CRISPR/Cas9, a key player in this research, identifies new oncogenes, tumor suppressor genes (TSGs), and drug-resistance genes. Additionally, it facilitates the construction of experimental models, conducts genome-wide library screening, and develops new therapeutic targets, especially for targeted knockout in vivo or molecular targeted drug delivery, contributing to personalized treatments and significantly enhancing the care of colon cancer patients. In this review, we provide insights into the mechanism of the CRISPR/Cas9 system, offering a comprehensive exploration of its applications in CRC, spanning screening, modeling, gene functions, diagnosis, and gene therapy. While acknowledging its transformative potential, the article highlights the challenges and limitations of CRISPR systems. EXPERT OPINION The application of CRISPR/Cas9 in CRC research provides a promising avenue for personalized treatments. Its potential for identifying key genes and enabling experimental models and genome-wide screening enhances patient care. This review underscores the significance of CRISPR-Cas9 gene editing technology across basic research, diagnosis, and the treatment landscape of colon cancer.
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Affiliation(s)
| | - Farzaneh Alizadeh
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Malihe Lotfi
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Samaneh Sharif
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Atefeh Ashouri
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Yasamin Yoosefi
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saeed Bozorg Qomi
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Reza Abbaszadegan
- Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Immunology Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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Novotný K, Krempl I, Pečinka L, Moráň L, Vaňhara P, Havel J. Pulsed laser ablation synthesis of fresh Te nanoparticles for matrix assisted laser desorption/ionization mass spectrometry (MALDI-MS) applications. Talanta 2024; 274:126061. [PMID: 38583329 DOI: 10.1016/j.talanta.2024.126061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 03/22/2024] [Accepted: 04/04/2024] [Indexed: 04/09/2024]
Abstract
This work aims to demonstrate the potential of pulsed laser ablation synthesis (PLA) of tellurium nanoparticles (Te NPs) for use in matrix assisted laser desorption/ionization mass spectrometry (MALDI-MS) applications. An experimental laboratory setup for PLA synthesis of fresh Te NPs was designed to prevent unwanted aggregation of uncoated Te NPs and avoid the need to use additional modifiers. Performing pulsed laser ablation synthesis in liquid (PLAL) using acetone was found to be the optimal way of preparing Te NPs. Another possibility is to use commercially available laser ablation devices for laser ablation - inductively coupled plasma mass spectrometry (LA-ICP-MS) to perform PLA in a helium atmosphere, but this approach is less efficient and results in the formation of unwanted larger particles. The prepared Te NPs were studied using the transmission electron microscopy (TEM) and dynamic light scattering (DLS) methods. TEM images showed the formation of Te NP nanochains composed of many crystallized Te NPs with sizes ranging from 8 to 15 nm. The various size distributions of the synthesized Te NPs identified using the DLS method correspond to the size distributions of aggregations rather than individual Te NPs. The synthesized Te NPs were used for a pilot study of their possible use with the MALDI-MS technique. An important effect was observed when Te NPs were used to perform a MALDI-MS analysis of the α-cyclodextrin (α-CD) and cucurbit[7]uril (CB7) macrocycles, which consisted in a decline in the formation of matrix adducts. Furthermore, several changes in MALDI-MS mass spectra of intact cells and a positive effect of Te NPs on the crystallization of the MALDI-MS matrix were observed.
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Affiliation(s)
- Karel Novotný
- Department of Chemistry, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic.
| | - Ivo Krempl
- Department of Chemistry, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic
| | - Lukáš Pečinka
- Department of Chemistry, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic; International Clinical Research Center, St. Anne's University Hospital Brno, 656 91, Brno, Czech Republic
| | - Lukáš Moráň
- Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 625 00, Brno, Czech Republic; Research Centre for Applied Molecular Oncology (RECAMO), Masaryk Memorial Cancer Institute, 602 00, Brno, Czech Republic
| | - Petr Vaňhara
- International Clinical Research Center, St. Anne's University Hospital Brno, 656 91, Brno, Czech Republic; Department of Histology and Embryology, Faculty of Medicine, Masaryk University, 625 00, Brno, Czech Republic
| | - Josef Havel
- Department of Chemistry, Faculty of Science, Masaryk University, Kotlářská 2, 611 37, Brno, Czech Republic; International Clinical Research Center, St. Anne's University Hospital Brno, 656 91, Brno, Czech Republic
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Wang Y, Wang Y, Jian M, Jiang Q, Li X. MXene Key Composites: A New Arena for Gas Sensors. NANO-MICRO LETTERS 2024; 16:209. [PMID: 38842597 PMCID: PMC11156835 DOI: 10.1007/s40820-024-01430-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Accepted: 04/22/2024] [Indexed: 06/07/2024]
Abstract
With the development of science and technology, the scale of industrial production continues to grow, and the types and quantities of gas raw materials used in industrial production and produced during the production process are also constantly increasing. These gases include flammable and explosive gases, and even contain toxic gases. Therefore, it is very important and necessary for gas sensors to detect and monitor these gases quickly and accurately. In recent years, a new two-dimensional material called MXene has attracted widespread attention in various applications. Their abundant surface functional groups and sites, excellent current conductivity, tunable surface chemistry, and outstanding stability make them promising for gas sensor applications. Since the birth of MXene materials, researchers have utilized the efficient and convenient solution etching preparation, high flexibility, and easily functionalize MXene with other materials to prepare composites for gas sensing. This has opened a new chapter in high-performance gas sensing materials and provided a new approach for advanced sensor research. However, previous reviews on MXene-based composite materials in gas sensing only focused on the performance of gas sensing, without systematically explaining the gas sensing mechanisms generated by different gases, as well as summarizing and predicting the advantages and disadvantages of MXene-based composite materials. This article reviews the latest progress in the application of MXene-based composite materials in gas sensing. Firstly, a brief summary was given of the commonly used methods for preparing gas sensing device structures, followed by an introduction to the key attributes of MXene related to gas sensing performance. This article focuses on the performance of MXene-based composite materials used for gas sensing, such as MXene/graphene, MXene/Metal oxide, MXene/Transition metal sulfides (TMDs), MXene/Metal-organic framework (MOF), MXene/Polymer. It summarizes the advantages and disadvantages of MXene composite materials with different composites and discusses the possible gas sensing mechanisms of MXene-based composite materials for different gases. Finally, future directions and inroads of MXenes-based composites in gas sensing are presented and discussed.
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Affiliation(s)
- Yitong Wang
- Hubei Province Key Laboratory of Systems Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, People's Republic of China
| | - Yuhua Wang
- Hubei Province Key Laboratory of Systems Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, People's Republic of China.
| | - Min Jian
- Hubei Province Key Laboratory of Systems Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, People's Republic of China
| | - Qinting Jiang
- Key Materials and Components of Electrical Vehicles for Overseas Expertise Introduction Center for Discipline Innovation, Institute of Advanced Electrochemical Energy and School of Materials Science and Engineering, Xi'an University of Technology, Xi'an, 710048, People's Republic of China
| | - Xifei Li
- Key Materials and Components of Electrical Vehicles for Overseas Expertise Introduction Center for Discipline Innovation, Institute of Advanced Electrochemical Energy and School of Materials Science and Engineering, Xi'an University of Technology, Xi'an, 710048, People's Republic of China.
- College of Materials Science and Engineering, Fuzhou University, Fuzhou, 350108, Fujian, People's Republic of China.
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Mirzaei-Ghormish S, Qaderi K, Smalley D. Effect of two-photon absorption on trapping of plasmonic nanoparticles. Sci Rep 2024; 14:12607. [PMID: 38824185 PMCID: PMC11144221 DOI: 10.1038/s41598-024-63235-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Accepted: 05/27/2024] [Indexed: 06/03/2024] Open
Abstract
In this paper, we introduce a theoretical framework for optical trapping that integrates nonlinear polarization within the dipole approximation. This theory represents the most comprehensive analytic model to date capable of resolving the discrepancies between the observed and simulated trapping of plasmonic nanoparticles. Our theory elucidates how two-photon absorption can account for the stable trapping of gold nanoparticles, including their longitudinal stability, especially near their plasmon resonance. Furthermore, the experimentally observed split potential wells in the transverse plane, which are attributed to two-photon absorption, are in close agreement with our model's predictions. Finally, this study provides new insights into the mechanism of optical trapping under conditions of intense light-matter interactions.
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Affiliation(s)
- S Mirzaei-Ghormish
- Department of Electrical and Computer Engineering, Brigham Young University, Provo, UT, USA
| | - K Qaderi
- Department of Electrical and Computer Engineering, Brigham Young University, Provo, UT, USA
| | - D Smalley
- Department of Electrical and Computer Engineering, Brigham Young University, Provo, UT, USA.
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Karna P, Giri A. Electron-electron scattering limits thermal conductivity of metals under extremely high electron temperatures. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2024; 36:345701. [PMID: 38740071 DOI: 10.1088/1361-648x/ad4adb] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 05/13/2024] [Indexed: 05/16/2024]
Abstract
We report on the thermal transport properties of noble metals (gold, silver and copper) under conditions of extremely high electron temperatures (that are on the order of the Fermi energy). We perform parameter-free density functional theory calculations of the electron temperature-dependent electron-phonon coupling, electronic heat capacities, and thermal conductivities to elucidate the strong role played by the excitation of the low lyingd-bands on the transport properties of the noble metals. Our calculations show that, although the three metals have similar electronic band structures, the changes in their electron-phonon coupling at elevated electron temperatures are drastically different; while electron-phonon coupling decreases in gold, it increases in copper and, it remains relatively unperturbed for silver with increasing electron temperatures of up to ∼60 000 K (or 5 eV). We attribute this to the varying contributions from acoustic and longitudinal phonon modes to the electron-phonon coupling in the three metals. Although their electron-phonon coupling changes with electron temperature, the thermal conductivity trends with electron temperature are similar for all three metals. For instance, the thermal conductivities for all three metals reach their maximum values (on par with the room-temperature values of some of the most thermally conductive semiconductors) at electron temperatures of ∼6000 K, and thereafter monotonically decrease due to the enhanced effect of electron-electron scattering for electronic states that are further away from the Fermi energy. As such, only accounting for electron-phonon coupling and neglecting electron-electron scattering can lead to large over-predictions of the thermal conductivities at extremely high electron temperatures. Our results shed light on the microscopic understanding of the electronic scattering mechanisms and thermal transport in noble metals under conditions of extremely high electron temperatures and, as such, are significant for a plethora of applications such as in plasmonic devices that routinely leverage hot electron transport.
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Affiliation(s)
- Pravin Karna
- Department of Mechanical Industrial and Systems Engineering, University of Rhode Island, Kingston, RI 02881, United States of America
| | - Ashutosh Giri
- Department of Mechanical Industrial and Systems Engineering, University of Rhode Island, Kingston, RI 02881, United States of America
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Arunsankar NS, Devanesan S, AlSalhi MS, Vimalan M, Jeyaram S. Nonlinear Optical Refraction and Absorption Features of Methyl Orange Dye in Polar Solvents. J Fluoresc 2024:10.1007/s10895-024-03636-6. [PMID: 38460094 DOI: 10.1007/s10895-024-03636-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 02/26/2024] [Indexed: 03/11/2024]
Abstract
Herein, we report the nonlinear optical (NLO) refraction and absorption features of azo dye namely, methyl orange (MO) dissolved in ethanol, methanol, acetone, 1-propanol, DMF and DMSO. The UV-Visible absorption study reveals that the maximum absorption spectrum of MO dye appeared towards longer wavelength by increasing the solvent polarizability is the result of red shift or bathochromic shift. The Z-scan method is utilized to measure the third-order NLO features of MO dye in different polar solvents. A continuous wave laser with 5-mW power and an excitation wavelength of 405 nm is employed in the Z-scan technique. The NLO features including nonlinear index of refraction (n2), nonlinear coefficient of absorption (β) and third-order NLO susceptibility (χ3) are calculated to be the order of 10-7 cm2/W, 10-2 cm/W and 10-7 esu, respectively. The NLO index of refraction shows peak-valley transmittance is the result of self-defocusing and NLO absorption coefficient exhibits both positive and negative nonlinearity owing to saturable absorption (SA) and reverse saturable absorption (RSA). The effect of solvent polarizability and dipole moment on third-order NLO susceptibility of MO dye is discussed. Based on the experimental results, an azo dye MO appears to be a promising option for NLO applications in the future.
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Affiliation(s)
- N Srinivasan Arunsankar
- Department of Physics, Sri Sairam Engineering College, West Tambaram, Chennai, 600044, Tamilnadu, India
| | - Sandhanasamy Devanesan
- Department of Physics and Astronomy, College of Science, King Saud University, P.O. Box 2455, 11451, Riyadh, Saudi Arabia
| | - Mohamad S AlSalhi
- Department of Physics and Astronomy, College of Science, King Saud University, P.O. Box 2455, 11451, Riyadh, Saudi Arabia
| | - M Vimalan
- Department of Physics, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, 602105, Tamilnadu, India
| | - S Jeyaram
- Department of Physics, Takshashila University, Ongur (PO), Tindivanam (TK), Villupuram, 604305, Tamilnadu, India.
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Xi Z, Zhang R, Kiessling F, Lammers T, Pallares RM. Role of Surface Curvature in Gold Nanostar Properties and Applications. ACS Biomater Sci Eng 2024; 10:38-50. [PMID: 37249042 DOI: 10.1021/acsbiomaterials.3c00249] [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: 05/31/2023]
Abstract
Gold nanostars (AuNSs) are nanoparticles with intricate three-dimensional structures and shape-dependent optoelectronic properties. For example, AuNSs uniquely display three distinct surface curvatures, i.e. neutral, positive, and negative, which provide different environments to adsorbed ligands. Hence, these curvatures are used to introduce different surface chemistries in nanoparticles. This review summarizes and discusses the role of surface curvature in AuNS properties and its impact on biomedical and chemical applications, including surface-enhanced Raman spectroscopy, contrast agent performance, and catalysis. We examine the main synthetic approaches to generate AuNSs, control their morphology, and discuss their benefits and drawbacks. We also describe the optical characteristics of AuNSs and discuss how these depend on nanoparticle morphology. Finally, we analyze how AuNS surface curvature endows them with properties distinctly different from those of other nanoparticles, such as strong electromagnetic fields at the tips and increased hydrophilic environments at the indentations, together making AuNSs uniquely useful for biosensing, imaging, and local chemical manipulation.
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Affiliation(s)
- Zhongqian Xi
- Biohybrid Nanomedical Materials Group, Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Aachen 52074, Germany
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Aachen 52074, Germany
| | - Rui Zhang
- Biohybrid Nanomedical Materials Group, Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Aachen 52074, Germany
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Aachen 52074, Germany
| | - Fabian Kiessling
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Aachen 52074, Germany
| | - Twan Lammers
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Aachen 52074, Germany
| | - Roger M Pallares
- Biohybrid Nanomedical Materials Group, Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Aachen 52074, Germany
- Institute for Experimental Molecular Imaging, RWTH Aachen University Hospital, Aachen 52074, Germany
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Khalid M, Murtaza S, Gull K, Abid S, Imran M, Braga AAC. Influence of acceptors on the optical nonlinearity of 5 H-4-oxa-1,6,9-trithia-cyclopenta[ b]-as-indacene-based chromophores with a push-pull assembly: a DFT approach. RSC Adv 2024; 14:1169-1185. [PMID: 38174281 PMCID: PMC10762516 DOI: 10.1039/d3ra06673h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Accepted: 12/08/2023] [Indexed: 01/05/2024] Open
Abstract
Herein, a series of compounds (TPD1-TPD6) having a D-π-A architecture was quantum chemically designed via the structural modulation of TPR. Quantum chemical calculations were employed to gain a comprehensive insight into the structural and optoelectronic properties of the designed molecules at the M06/6-311G(d,p) level. Interestingly, all the designed chromophores displayed narrow energy gaps (2.123-1.788 eV) and wider absorption spectra (λmax = 833.619-719.709 nm) with a bathochromic shift in comparison to the reference compound (λmax = 749.602 nm and Egap = 3.177 eV). Further, Egap values were utilized to evaluate global reactivity parameters (GRPs), which indicate that all the chromophores expressed higher softness (σ = 0.134-0.559 eV-1) and lower hardness (η = 4.155-4.543 eV) values than the reference chromophore. Efficient charge transfer from donors towards acceptors was noted through FMOs, which was also supported by DOS and TDM analyses. Overall, the TPD3 derivative exhibited a remarkable reduction in the HOMO-LUMO band gap (1.788 eV) with a red shift as λmax = 833.619 nm. Furthermore, it exhibited prominent linear and non-linear characteristics such as μtotal = 24.1731 D, 〈α〉 = 2.89 × 10-22 esu, and βtotal = 7.24 × 10-27 esu, among all derivatives. The above findings revealed that significant non-linear optical materials could be achieved through structural tailoring with studied efficient acceptors.
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Affiliation(s)
- Muhammad Khalid
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
- Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
| | - Shahzad Murtaza
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
- Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
| | - Khansa Gull
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
- Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
| | - Saba Abid
- Institute of Chemistry, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
- Centre for Theoretical and Computational Research, Khwaja Fareed University of Engineering & Information Technology Rahim Yar Khan 64200 Pakistan
| | - Muhammad Imran
- Department of Chemistry, Faculty of Science, King Khalid University P. O. Box 9004 Abha 61413 Saudi Arabia
| | - Ataualpa A C Braga
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo Av. Prof. Lineu Prestes, 748 São Paulo 05508-000 Brazil
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Wang Y, Wang Y, Kuai Y, Jian M. "Visualization" Gas-Gas Sensors Based on High Performance Novel MXenes Materials. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2305250. [PMID: 37661585 DOI: 10.1002/smll.202305250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 08/01/2023] [Indexed: 09/05/2023]
Abstract
The detection of toxic, harmful, explosive, and volatile gases cannot be separated from gas sensors, and gas sensors are also used to monitor the greenhouse effect and air pollution. However, existing gas sensors remain with many drawbacks, such as lower sensitivity, lower selectivity, and unstable room temperature detection. Thus, there is an imperative need to find more suitable sensing materials. The emergence of a new 2D layered material MXenes has brought dawn to solve this problem. The multiple advantages of MXenes, namely high specific surface area, enriched terminal functionality groups, hydrophilicity, and good electrical conductivity, make them among the most prolific gas-sensing materials. Therefore, this review paper describes the current main synthesis methods of MXenes materials, and focuses on summarizing and organizing the latest research results of MXenes in gas sensing applications. It also introduces the possible gas sensing mechanisms of MXenes materials on NH3 , NO2 , CH3 , and volatile organic compounds (VOCs). In conclusion, it provides insight into the problems and upcoming challenges of MXenes materials for gas sensing.
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Affiliation(s)
- Yitong Wang
- Hubei Province Key Laboratory of Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Yuhua Wang
- Hubei Province Key Laboratory of Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Yanbing Kuai
- Hubei Province Key Laboratory of Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, China
| | - Min Jian
- Hubei Province Key Laboratory of Science in Metallurgical Process, Wuhan University of Science and Technology, Wuhan, 430081, China
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Park SH, You Y. Gold Nanoparticle-Based Colorimetric Biosensing for Foodborne Pathogen Detection. Foods 2023; 13:95. [PMID: 38201122 PMCID: PMC10778349 DOI: 10.3390/foods13010095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 12/13/2023] [Accepted: 12/23/2023] [Indexed: 01/12/2024] Open
Abstract
Ensuring safe high-quality food is an ongoing priority, yet consumers face heightened risk from foodborne pathogens due to extended supply chains and climate change in the food industry. Nanomaterial-based assays are popular and have recently been developed to ensure food safety and high quality. This review discusses strategies for utilizing gold nanoparticles in colorimetric biosensors. The visible-signal biosensor proves to be a potent sensing technique for directly measuring targets related to foodborne pathogens in the field of food analysis. Among visible-signal biosensors, the localized surface plasmon resonance (LSPR) biosensor has garnered increasing attention and experienced rapid development in recent years. This review succinctly introduces the origin of LSPR theory, providing detailed insights into its fundamental principles. Additionally, this review delves into the application of nanotechnology for the implementation of the LSPR biosensor, exploring methods for utilizing gold nanoparticles and elucidating the factors that influence the generation of visible signals. Several emerging technologies aimed at simple and rapid immunoassays for onsite applications have been introduced in the food industry. In the foreseeable future, field-friendly colorimetric biosensors could be adopted in food monitoring systems. The onsite and real-time detection of possible contaminants and biological substances in food and water is essential to ensure human health and safety.
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Affiliation(s)
- Sang-Hyun Park
- Department of Food Science and Technology, Kongju National University, Yesan 32439, Chungnam, Republic of Korea
| | - Youngsang You
- Department of Food Engineering, Dankook University, Cheonan 31116, Chungnam, Republic of Korea
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Wang K, Xie Z, Ji J, Song Y, Zhang B, Wang Z. Novel Optical Kerr Switching Photonic Device Based on Nonlinear Carbon Material. MICROMACHINES 2023; 14:2216. [PMID: 38138385 PMCID: PMC10745753 DOI: 10.3390/mi14122216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/01/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023]
Abstract
In the context of current communication systems, there is an urgent demand for more efficient and higher-speed optical signal processing technologies. Researchers are actively exploring new materials and devices to harness nonlinear optical phenomena, seeking advancements in this field. Nonlinear carbon materials, especially promising 2D materials, have garnered attention for their potential interaction with light and have become integral to the development of all-optical signal processing devices. This study focuses on utilizing a photonic device based on a nonlinear Au/CB composite material for optical Kerr switching. The application of Au/CB as a nonlinear material in the Kerr switch represents a noteworthy advancement, demonstrating its capability to modulate optical signals. By appropriately applying a pump light, the study achieves optical Kerr switching with an extinction ratio of approximately 15 dB in the fully off state of the signal light carrying a 10 GHz analog signal, marking a pioneering achievement in the field to the best of our knowledge. The experimental results, encompassing extinction ratios, signal control, and stability, not only validate the feasibility of this technology but also underscore its potential applicability within optical communication systems. The successful modulation and control of a 10 GHz analog signal showcase the practicality and effectiveness of the Au/CB-based optical Kerr switch. This progress contributes to the continuous evolution of optical Kerr switching, a crucial component in modern optical communication systems. Therefore, we believe that the Au/CB-based optical Kerr switch is an exceptionally promising and stable all-optical signal processing device. As the contemporary communication landscape evolves, the integration of this technology holds the potential to enhance the efficiency and speed of optical signal processing.
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Affiliation(s)
| | | | | | | | | | - Zhenhong Wang
- College of Electronics and Information Engineering, Shenzhen University, Shenzhen 518060, China; (K.W.); (Z.X.); (J.J.); (Y.S.); (B.Z.)
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12
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Ünlü BA, Akkoyun S, Karatay A, Ates A, Elmali A. Controlled plasmon-induced nonlinear absorption and optical limiting in Al/PVP composite nanofibers. NANOSCALE 2023; 15:19229-19237. [PMID: 37987611 DOI: 10.1039/d3nr03859a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
The effect of aluminum (Al) concentration on the surface plasmon resonance (SPR) band position of aluminum/polyvinylpyrrolidone (Al/PVP) composite nanofibers was investigated to strengthen nonlinear absorption (NLA) and widen its spectral range. With increasing Al content in PVP nanofibers, the SPR band was shifted towards excitation wavelength and an improved NLA response was achieved. The NLA response was examined both experimentally, by conducting Z-scan experiments, and theoretically, using two models. In the first model, the contributions of one-photon absorption (OPA), two-photon absorption (TPA), excited state absorption (ESA) and saturated absorption (SA) are considered. The second model, on the other hand, is a model that is widely used in the literature, and while taking into account the contributions of OPA and TPA, it neglects the ESA. The first model provides more accurate results due to the high concentration of free carriers in the samples examined. In order to reveal the contribution of Al to the nonlinear absorption, a laser excitation wavelength of 532 nm was chosen to minimize both the defect-assisted sequential and genuine two-photon absorption contributions of PVP. While the nonlinear absorption of pure PVP is quite weak, the NLA performance of Al/PVP nanofibers significantly improved as the Al content increased. As the amount of Al increased, the aggregation effect increased and a broadening and red shift in the SPR band were observed in the plasmonic behavior. This indicates a decreasing interparticle distance in Al particles. The sample with the highest amount of Al is anticipated as a potential candidate for optical limiting (OL) applications due to its superior NLA performance and SPR band furthest towards the near infrared (NIR) region, allowing a wider range of wavelength set to be used in OL applications.
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Affiliation(s)
- Bekir Asilcan Ünlü
- Department of Engineering Physics, Faculty of Engineering, Ankara University, 06100 Ankara, Türkiye.
| | - Serife Akkoyun
- Department of Metallurgical and Materials Engineering, Faculty of Engineering and Natural Sciences, Ankara Yildirim Beyazit University, 06010 Ankara, Türkiye.
- Central Research Laboratory, Application and Research Center, Ankara Yildirim Beyazit University, 06010 Ankara, Türkiye
| | - Ahmet Karatay
- Department of Engineering Physics, Faculty of Engineering, Ankara University, 06100 Ankara, Türkiye.
| | - Aytunc Ates
- Department of Metallurgical and Materials Engineering, Faculty of Engineering and Natural Sciences, Ankara Yildirim Beyazit University, 06010 Ankara, Türkiye.
| | - Ayhan Elmali
- Department of Engineering Physics, Faculty of Engineering, Ankara University, 06100 Ankara, Türkiye.
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Samreen HS, Hussain A, Yar M, Alshammari MB, Ayub K, Adeel M, Tariq M, Lateef M, Bakht MA, Rasool F. Photophysical and biological aspects of α, β-unsaturated ketones: Experimental and in silico approach. J Biochem Mol Toxicol 2023; 37:e23433. [PMID: 37394811 DOI: 10.1002/jbt.23433] [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: 11/27/2022] [Revised: 04/04/2023] [Accepted: 06/12/2023] [Indexed: 07/04/2023]
Abstract
In this work, four fluorinated α, β-unsaturated ketones named as 3-(3-bromophenyl)-1-(3-(trifluoromethyl)phenyl)prop-2-en-1-one (1), 3-(4-methoxyphenyl)-1-(3-(trifluoromethyl)phenyl) prop-2-en-1-one (2), 3-(3-bromo-5-chloro-2-hydroxyphenyl)-1-(3-(trifluoromethyl)phenyl) prop-2-en-1-one (3) and 3-(2-hydroxy-5-methylphenyl)-1-(3-(trifluoromethyl)phenyl)prop-2-en-1-one (4) were synthesized by Claisen-Schmidt reaction. The synthesized molecules were then characterized through ultraviolet-visible spectroscopy (UV-Vis), Fourier transform infrared (FTIR), 1 H-NMR, 13 C-NMR, and mass spectrometry. The antioxidant potential, Urease inhibition, and interaction of compounds 1-4 with Salmon sperm DNA were experimentally explored and supported by molecular docking studies. The synthesized compounds strongly interact with SS-DNA through intercalative mode. It was noticed that compound 1 served as potent Urease inhibitor while compound 4 as better antioxidant among synthesized compounds. Moreover, frontier molecular orbitals, nonlinear optical (NLO) properties, natural bond orbitals, molecular electrostatic potential, natural population analysis, and photophysical properties of synthesized compounds were accomplished through density functional theory and time-dependent density functional theory. The band gap of all the compounds have been worked out using Taucs method. In addition to that, a precise comparative account of UV and IR data obtained from theoretical and experimental findings showed good agreement between theoretical and experimental data. The findings of our studies reflected that compounds 1-4 possess better NLO properties than Urea standard and the band gap data also reflected their prospective use towards optoelectronic materials. The better NLO behavior of compounds was attributed to the noncentrosymmetric structure of synthesized compounds.
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Affiliation(s)
- Hafiza Saba Samreen
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Ajaz Hussain
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Muhammad Yar
- Department of Chemistry, COMSATS Institute of Information Technology, Abbottabad, Pakistan
| | - Mohammed Battah Alshammari
- Department of Chemistry, College of Science and Humanities, Prince Sattam bin Abdul Aziz university, Al-Kharj, Saudi Arabia
| | - Khurshid Ayub
- Department of Chemistry, COMSATS Institute of Information Technology, Abbottabad, Pakistan
| | - Muhammad Adeel
- Institute of Chemical Sciences, Gomal University, Dera Ismaeel Khan, Pakistan
| | - Muhammad Tariq
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Mehreen Lateef
- Multidisciplinary Research Laboratories, Bahria University Medical and Dental College, Karachi, Pakistan
| | - Mohammed Afroz Bakht
- Department of Chemistry, College of Science and Humanities, Prince Sattam bin Abdul Aziz university, Al-Kharj, Saudi Arabia
| | - Faiz Rasool
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
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Tahmasbi A, Jafari A, Nikoo A. Synthesis, characterization, and nonlinear optical properties of copper (II) ligand Schiff base complexes derived from 3-Nitrobenzohydrazide and benzyl. Sci Rep 2023; 13:10988. [PMID: 37420025 DOI: 10.1038/s41598-023-38086-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 07/03/2023] [Indexed: 07/09/2023] Open
Abstract
A new series of Cu (II) complexes were prepared using Schiff base ligand of N-N'-(1,2-diphenyl ethane-1,2-diylidene)bis(3-Nitrobenzohydrazide). The prepared ligand and Cu (II) complex were characterized using various physicochemical investigations such as X-ray diffraction (XRD), Field emission scanning electron microscopy (FESEM), and Energy dispersive X-ray analysis (EDX), Fourier Transform Infrared (FT-IR), [Formula: see text] Nuclear Magnetic Resonance (NMR), [Formula: see text] NMR, Diffuse Reflectance Spectroscopy (DRS), Vibrating Sample Magnetometer (VSM), and Z-Scan technique (Nonlinear optical (NLO) properties). In addition, the prepared samples have been examined for their NLO characteristics with the help of the Density Functional Theory calculations which proved that the Cu (II) Complex is more polarized than Ligand. According to XRD and FESEM results, the nanocrystalline nature of the samples is confirmed. The metal-oxide bond assigned in the functional studies by FTIR. Magnetic studies demonstrate weak ferromagnetic and paramagnetic nature for Cu (II) complex and diamagnetic nature for the ligand, respectively. DRS spectrum exhibited higher reflectance for Cu (II) than the ligand. The band gap energies of the synthesized samples were estimated by employing the Tauc relation and Kubelka-Munk theory on reflectance data and found to be 2.89 eV and 2.67 eV for Cu (II) complex and ligand, respectively. Extinction coefficient and refractive index values were calculated using the Kramers-Kronig method. The z-scan technique was applied to estimate the NLO properties by a 532 nm Nd:YAG laser.
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Affiliation(s)
- Ayub Tahmasbi
- Atomic and Molecular Group, Department of Physics, Faculty of Science, Urmia University, Urmia, Iran
| | - Akbar Jafari
- Atomic and Molecular Group, Department of Physics, Faculty of Science, Urmia University, Urmia, Iran.
| | - Abbas Nikoo
- Department of Organic Chemistry, Faculty of Chemistry, Urmia University, Urmia, Iran
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Liang LY, Kung YH, Hsiao VKS, Chu CC. Reduction of Nitroaromatics by Gold Nanoparticles on Porous Silicon Fabricated Using Metal-Assisted Chemical Etching. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13111805. [PMID: 37299708 DOI: 10.3390/nano13111805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/02/2023] [Accepted: 06/03/2023] [Indexed: 06/12/2023]
Abstract
In this study, we investigated the use of porous silicon (PSi) fabricated using metal-assisted chemical etching (MACE) as a substrate for the deposition of Au nanoparticles (NPs) for the reduction of nitroaromatic compounds. PSi provides a high surface area for the deposition of Au NPs, and MACE allows for the fabrication of a well-defined porous structure in a single step. We used the reduction of p-nitroaniline as a model reaction to evaluate the catalytic activity of Au NPs on PSi. The results indicate that the Au NPs on the PSi exhibited excellent catalytic activity, which was affected by the etching time. Overall, our results highlighted the potential of PSi fabricated using MACE as a substrate for the deposition of metal NPs for catalytic applications.
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Affiliation(s)
- Ling-Yi Liang
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung 40201, Taiwan
| | - Yu-Han Kung
- Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Nantou 54561, Taiwan
| | - Vincent K S Hsiao
- Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Nantou 54561, Taiwan
| | - Chih-Chien Chu
- Department of Medical Applied Chemistry, Chung Shan Medical University, Taichung 40201, Taiwan
- Department of Medical Education, Chung Shan Medical University Hospital, Taichung 40201, Taiwan
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Jia L, Zhang Y, Wang C, Liu H, Chen R. Defect-enriched (H 2PO 4-, Cr 3+)-α-Fe 2O 3/β-In 2S 3 composites for visible light degradation of 4-nitrophenol. J Colloid Interface Sci 2023; 643:528-540. [PMID: 36966121 DOI: 10.1016/j.jcis.2023.03.092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 03/02/2023] [Accepted: 03/15/2023] [Indexed: 03/27/2023]
Abstract
In this work, the high-activity (H2PO4-, Cr3+)-α-Fe2O3 (PCF) with abundant oxygen vacancies (OVs) and the high specific area was obtained by co-adding H2PO4- and Cr3+. Defect-enriched PCF/β-In2S3 composites were prepared by low-temperature hydrothermal processes. The prepared composites exhibited improved photocatalytic degradation of 4-nitrophenol under visible light irradiation.The SO bond between PCF and β-In2S3 promoted the formation of tight heterojunction composites and increased the OVs concentration. Under the synergistic effect of photo-Fenton, defects, and heterojunction, the PCF/β-In2S3 composites effectively promoted the separation of photogenerated carriers and accelerated the production of active substances (•OH, •O2-, 1O2, and h+), leading to the improvement of photocatalytic-Fenton degradation performance. This work provided a new strategy for the preparation of highly efficient photocatalysts.
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Affiliation(s)
- Lumeng Jia
- National Experimental Chemistry Teaching Center (Hebei Normal University), Hebei Key Laboratory of Inorganic Nano-materials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, PR China
| | - Yao Zhang
- National Experimental Chemistry Teaching Center (Hebei Normal University), Hebei Key Laboratory of Inorganic Nano-materials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, PR China
| | - Chun Wang
- National Experimental Chemistry Teaching Center (Hebei Normal University), Hebei Key Laboratory of Inorganic Nano-materials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, PR China
| | - Hui Liu
- National Experimental Chemistry Teaching Center (Hebei Normal University), Hebei Key Laboratory of Inorganic Nano-materials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, PR China.
| | - Rufen Chen
- National Experimental Chemistry Teaching Center (Hebei Normal University), Hebei Key Laboratory of Inorganic Nano-materials, College of Chemistry and Materials Science, Hebei Normal University, Shijiazhuang 050024, PR China.
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17
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Thakur M, Van Cleave J. Quadratic electro-optic effect in the nonconjugated conductive polymer iodine-doped polyethylene terephthalate. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2023. [DOI: 10.1080/10601325.2023.2174443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- Mrinal Thakur
- Photonic Materials Research Laboratory, Auburn University, AL, USA
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18
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Ajlouni AW, Hamdan EH, Alshalawi RAE, Shaik MR, Khan M, Kuniyil M, Alwarthan A, Ansari MA, Khan M, Alkhathlan HZ, Shaik JP, Adil SF. Green Synthesis of Silver Nanoparticles Using Aerial Part Extract of the Anthemis pseudocotula Boiss. Plant and Their Biological Activity. Molecules 2022; 28:molecules28010246. [PMID: 36615440 PMCID: PMC9822267 DOI: 10.3390/molecules28010246] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 12/08/2022] [Accepted: 12/15/2022] [Indexed: 12/29/2022] Open
Abstract
Green syntheses of metallic nanoparticles using plant extracts as effective sources of reductants and stabilizers have attracted decent popularity due to their non-toxicity, environmental friendliness and rapid nature. The current study demonstrates the ecofriendly, facile and inexpensive synthesis of silver nanoparticles (AP-AgNPs) using the extract of aerial parts of the Anthemis pseudocotula Boiss. plant (AP). Herein, the aerial parts extract of AP performed a twin role of a reducing as well as a stabilizing agent. The green synthesized AP-AgNPs were characterized by several techniques such as XRD, UV-Vis, FT-IR, TEM, SEM and EDX. Furthermore, the antimicrobial and antibiofilm activity of as-prepared AP-AgNPs were examined by a standard two-fold microbroth dilution method and tissue culture plate methods, respectively, against several Gram-negative and Gram-positive bacterial strains and fungal species such as Escherichia coli (E. coli), Staphylococcus aureus (S. aureus), multidrug-resistant Pseudomonas aeruginosa (MDR-PA) and Acinetobacter baumannii (MDR-AB), methicillin-resistant S. aureus (MRSA) and Candida albicans (C. albicans) strains. The antimicrobial activity results clearly indicated that the Gram-negative bacteria MDR-PA was most affected by AgNPs as compared to other Gram-negative and Gram-positive bacteria and fungi C. albicans. Whereas, in the case of antibiofilm activity, it has been found that AgNPs at 0.039 mg/mL, inhibit biofilms formation of Gram-negative bacteria i.e., MDR-PA, E. coli, and MDR-AB by 78.98 ± 1.12, 65.77 ± 1.05 and 66.94 ± 1.35%, respectively. On the other hand, at the same dose (i.e., 0.039 mg/mL), AP-AgNPs inhibits biofilm formation of Gram-positive bacteria i.e., MRSA, S. aureus and fungi C. albicans by 67.81 ± 0.99, 54.61 ± 1.11 and 56.22 ± 1.06%, respectively. The present work indicates the efficiency of green synthesized AP-AgNPs as good antimicrobial and antibiofilm agents against selected bacterial and fungal species.
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Affiliation(s)
- Abdul-Wali Ajlouni
- Physics Department, College of Applied Sciences, Umm Al-Qura University (UQU), Makkah 21955, Saudi Arabia
| | - Eman H. Hamdan
- Quality Assurance Supervisor, Salehiya Medical Company, Riyadh 12242, Saudi Arabia
| | - Rasha Awwadh Eid Alshalawi
- Laboratory Specialist Poison Control and Forensic Chemistry Center in Riyadh, Ministry of Health, Riyadh 13211, Saudi Arabia
| | - Mohammed Rafi Shaik
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
- Correspondence: (M.R.S.); (M.K.); (S.F.A.); Tel.: +966-11-4670439 (S.F.A.)
| | - Mujeeb Khan
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Mufsir Kuniyil
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Abdulrahman Alwarthan
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Mohammad Azam Ansari
- Department of Epidemic Research, Institute for Research & Medical Consultations (IRMC), Imam Abdulrahman Bin Faisal University, Dammam 31441, Saudi Arabia
| | - Merajuddin Khan
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
- Correspondence: (M.R.S.); (M.K.); (S.F.A.); Tel.: +966-11-4670439 (S.F.A.)
| | - Hamad Z. Alkhathlan
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Jilani P. Shaik
- Department of Biochemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Syed Farooq Adil
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
- Correspondence: (M.R.S.); (M.K.); (S.F.A.); Tel.: +966-11-4670439 (S.F.A.)
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Chen S, Niu R, Gao Y, Zhou W, Liu K, Wang Y, Song Y, Zhang X. Ultrafast nonlinear absorption with multiple transformations and transient dynamics of gold nanobipyramids. OPTICS EXPRESS 2022; 30:47485-47496. [PMID: 36558676 DOI: 10.1364/oe.468299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
The process and condition of saturable absorption (SA) and reverse saturable absorption (RSA) of ultrafast nonlinear optics in metal nanoparticles are essential for applications including light generation, amplification, modulation, and switching. Here, we first discover and explore the multiple transformations (SA-RSA-SA) of ultrafast nonlinear absorption behavior of metal nanoparticles in femtosecond pulses. Correspondingly, the energy level model and fitting formula of multiple transformations are established to illustrate the process of optical response. The femtosecond transient absorption spectra provide information about their ultrafast dynamics process and vibrational mode, which further reveals the multiple transformation mechanisms of nonlinear absorption in gold nanobipyramids (Au-NBPs). Furthermore, Au-NBPs exhibit a significantly higher SA modulation depth up to 42% in the femtosecond, which is much higher than the reported values of other nanomaterials. Our results indicate that Au-NBPs can be used as broadband ultrafast Q-switching and mode-locking, and the conversion offers new opportunities for metal nanostructures in applications of optical switching.
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20
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Peng L, Liu J, Li Z, Jing Y, Zou Y, Chu H, Xu F, Sun L, Huang P. One-step thermal polymerization synthesis of nitrogen-rich g-C 3N 4 nanosheets enhances photocatalytic redox activity. RSC Adv 2022; 12:33598-33604. [PMID: 36505684 PMCID: PMC9682490 DOI: 10.1039/d2ra05867g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Accepted: 11/15/2022] [Indexed: 11/24/2022] Open
Abstract
Graphitic carbon nitride (g-C3N4) has attracted enormous attention as a visible-light-responsive carbon-based semiconductor photocatalyst. However, fast charge recombination seriously limits its application. Therefore, it is urgent to modify the electronic structure of g-C3N4 to obtain excellent photocatalytic activity. Herein, we reported a one-step thermal polymerization synthesis of nitrogen-rich g-C3N4 nanosheets. Benefiting from the N self-doping and the ultrathin structure, the optimal CN-70 exhibits its excellent performance. A 6.7 times increased degradation rate of rhodamine B (K = 0.06274 min-1), furthermore, the hydrogen evolution efficiency also reached 2326.24 μmol h-1 g-1 (λ > 420 nm). Based on a series of characterizations and DFT calculations, we demonstrated that the N self-doping g-C3N4 can significantly introduce midgap states between the valence band and conduction band, which is more conducive to the efficient separation of photogenerated carriers. Our work provides a facile and efficient method for self-atom doping into g-C3N4, providing a new pathway for efficient photocatalysts.
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Affiliation(s)
- Leyu Peng
- School of Material Science and Engineering, Guilin University of Electronic Technology, Guangxi Key Laboratory of Information Materials, Guangxi Collaborative Innovation Center of Structure and Property for New Energy and MaterialsGuilin 541004China
| | - Jiaxi Liu
- School of Material Science and Engineering, Guilin University of Electronic Technology, Guangxi Key Laboratory of Information Materials, Guangxi Collaborative Innovation Center of Structure and Property for New Energy and MaterialsGuilin 541004China,School of Mechanical & Electrical Engineering, Guilin University of Electronic TechnologyGuilin 541004China
| | - Ziyuan Li
- School of Material Science and Engineering, Guilin University of Electronic Technology, Guangxi Key Laboratory of Information Materials, Guangxi Collaborative Innovation Center of Structure and Property for New Energy and MaterialsGuilin 541004China
| | - Yifan Jing
- School of Material Science and Engineering, Guilin University of Electronic Technology, Guangxi Key Laboratory of Information Materials, Guangxi Collaborative Innovation Center of Structure and Property for New Energy and MaterialsGuilin 541004China
| | - Yongjin Zou
- School of Material Science and Engineering, Guilin University of Electronic Technology, Guangxi Key Laboratory of Information Materials, Guangxi Collaborative Innovation Center of Structure and Property for New Energy and MaterialsGuilin 541004China
| | - Hailiang Chu
- School of Material Science and Engineering, Guilin University of Electronic Technology, Guangxi Key Laboratory of Information Materials, Guangxi Collaborative Innovation Center of Structure and Property for New Energy and MaterialsGuilin 541004China
| | - Fen Xu
- School of Material Science and Engineering, Guilin University of Electronic Technology, Guangxi Key Laboratory of Information Materials, Guangxi Collaborative Innovation Center of Structure and Property for New Energy and MaterialsGuilin 541004China
| | - Lixian Sun
- School of Material Science and Engineering, Guilin University of Electronic Technology, Guangxi Key Laboratory of Information Materials, Guangxi Collaborative Innovation Center of Structure and Property for New Energy and MaterialsGuilin 541004China,School of Mechanical & Electrical Engineering, Guilin University of Electronic TechnologyGuilin 541004China
| | - Pengru Huang
- School of Material Science and Engineering, Guilin University of Electronic Technology, Guangxi Key Laboratory of Information Materials, Guangxi Collaborative Innovation Center of Structure and Property for New Energy and MaterialsGuilin 541004China
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Tabi CB, Tagwo H, Kofané TC. Modulational instability in nonlinear saturable media with competing nonlocal nonlinearity. Phys Rev E 2022; 106:054201. [PMID: 36559471 DOI: 10.1103/physreve.106.054201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 10/10/2022] [Indexed: 11/06/2022]
Abstract
The modulational instability (MI) phenomenon is addressed in a nonlocal medium under controllable saturation. The linear stability analysis of a plane-wave solution is used to derive an expression for the growth rate of MI that is exploited to parametrically discuss the possibility for the plane wave to disintegrate into nonlinear localized light patterns. The influence of the nonlocal parameter, the saturation coefficient, and the saturation index are mainly explored in the context of a Gaussian nonlocal response. It is pointed out that the instability spectrum, which tends to be quenched by the high nonlocality parameter, gets amplified under the right choices of the saturation parameters, especially the saturation index. Via direct numerical simulations, confirmations of analytical predictions are given, where competing nonlocal and saturable nonlinearities enable the emergence of trains of patterns as manifestations of MI. The comprehensive parametric analysis carried out throughout the numerical experiment reveals the robustness of the obtained rogue waves of A- and B-type Akhmediev breathers, as the nonlinear signature of MI, providing the saturation index as a suitable tool to manipulate nonlinear waves in nonlocal media.
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Affiliation(s)
- Conrad Bertrand Tabi
- Department of Physics and Astronomy, Botswana International University of Science and Technology, Private Mail Bag 16 Palapye, Botswana
| | - Hippolyte Tagwo
- Laboratory of Mechanics, Department of Physics, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon
| | - Timoléon Crépin Kofané
- Department of Physics and Astronomy, Botswana International University of Science and Technology, Private Mail Bag 16 Palapye, Botswana.,Laboratory of Mechanics, Department of Physics, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.,Centre d'Excellence Africain en Technologies de l'Information et de la Communication, University of Yaoundé I, Cameroon
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Velgosova O, Mačák L, Čižmárová E, Mára V. Influence of Reagents on the Synthesis Process and Shape of Silver Nanoparticles. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6829. [PMID: 36234170 PMCID: PMC9571871 DOI: 10.3390/ma15196829] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
The aim of this study was to prepare the silver nanoparticles (AgNPs) via chemical reduction and analyze the impact of used reduction agents: sodium borohydride (NaBH4), trisodium citrate (TSC), polyvinylpyrrolidone (PVP), and hydrogen peroxide (H2O2) on the reduction rate of Ag+ ions to Ag0, and on nanoparticles shape. It was proven that combinations of reduction agents dramatically influence the synthesis rate of AgNPs and the color of solutions, which depends on the shape and size of nanoparticles. NaBH4, TSC, and PVP showed good reduction power. In particular, TSC proved to be a key factor influencing the shape of AgNPs. The shape of nanoparticles influences the color of colloidal solutions. Yellow solutions, where UV-vis absorbance maxima (ABSmax) are in the wavelength interval 380-420 nm, contain spherical particles with a mean size of 25 nm, whereas the blue shift of ABSmax to wavelengths higher than 750 nm indicate the presence of triangular nanoparticles (size interval 18-150 nm). A mixture of spherical, triangular, irregular, and hexagonal nanoparticles give different color, e.g., green. The formation and stability of AgNPs was tracked by UV-vis spectroscopy, size and shape by TEM techniques, and particle size distribution was studied by particle size analyzer.
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Affiliation(s)
- Oksana Velgosova
- Institute of Materials and Quality Engineering, Faculty of Materials Metallurgy and Recycling, Technical University of Košice, Letná 9/A, 042 00 Košice, Slovakia
| | - Lívia Mačák
- Institute of Materials and Quality Engineering, Faculty of Materials Metallurgy and Recycling, Technical University of Košice, Letná 9/A, 042 00 Košice, Slovakia
| | - Elena Čižmárová
- Department of Materials Engineering, Faculty of Mechanical Engineering, Czech Technical University in Prague, Karlovo nám. 13, 121 32 Prague 2, Czech Republic
| | - Vladimír Mára
- Department of Materials Engineering, Faculty of Mechanical Engineering, Czech Technical University in Prague, Karlovo nám. 13, 121 32 Prague 2, Czech Republic
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Kaniyarakkal S, Thomas T, Sadagopalan SK, Jayamohan L, Muralimanohar R, Vasanthakumaryamma L, Sadasivan Nair V. Synthesis, Linear and Nonlinear Optical Properties of Ag/Al 2O 3 Nanocomposites. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6322. [PMID: 36143632 PMCID: PMC9502901 DOI: 10.3390/ma15186322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
This work reports a detailed study of the synthesis, characterization and third-order nonlinear optical properties of Ag and Al2O3 nanoparticles and their polymer nanocomposites. Ag and Al2O3 nanoparticles were prepared by the chemical precipitation method. The X-ray diffraction studies confirmed the purity and the crystalline nature of the sample and revealed the crystallite size. The linear optical properties and the structural morphology of the nanoparticles were confirmed using UV-visible spectroscopy and SEM analysis. The prepared nanoparticles were introduced into the polymer matrix by the spin-coating technique. Open-aperture and closed-aperture Z-scan technique was used to study the nonlinear absorption and nonlinear refraction of the samples under a Q-switched Nd:YAG laser at 532 nm. The observed third-order nonlinear optical susceptibility (χ(3)) was on the order of 10-6 esu, which indicates that these materials are potential candidates for photonic applications.
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Affiliation(s)
| | - Tiny Thomas
- PG and Research Department of Physics, NSS College Pandalam, Pathanamthitta 689501, Kerala, India
| | | | - Lekshmi Jayamohan
- PG and Research Department of Physics, Christian College Chenganoor, Alappuzha 689122, Kerala, India
| | - Remya Muralimanohar
- PG and Research Department of Physics, Christian College Chenganoor, Alappuzha 689122, Kerala, India
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24
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Hussain F, Hussain R, Adnan M, Muhammad S, Irshad Z, Khan MU, Yaqoob J, Ayub K. Insights into the nonlinear optical (NLO) response of pure Aum (2 ≥ m ≤ 7) and copper-doped Au m - xCu x clusters. RSC Adv 2022; 12:25143-25153. [PMID: 36199323 PMCID: PMC9449820 DOI: 10.1039/d2ra03664a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 08/22/2022] [Indexed: 11/21/2022] Open
Abstract
A series of small pure Au m (2 ≥ m ≤ 7) and copper-doped Au m-x Cu x clusters was evaluated by density functional theory (DFT) at the CAM-B3LYP/LANL2DZ level for their geometric, electronic, and nonlinear optical (NLO) properties. The charge transfer for the Au cluster significantly improved by reducing the HOMO-LUMO energy gap from 3.67 eV to 0.91 eV after doping with Cu atoms. The doping of Cu also showed noteworthy impacts on other optical and NLO properties, including a decrease in the excitation energy and increase in the dipole moment and oscillator strength. Furthermore, changes in the linear isotropic and anisotropic polarizabilities (α iso and α aniso) and first and second NLO hyperpolarizabilities (β static, γ static) were also observed in the pure and Cu-doped clusters, which enhanced the NLO response. The nonlinear optical properties of the clusters were evaluated by calculating the static and frequency dependent second- and third-order NLO polarizabilities at 1064 nm wavelength. Among all the doped structures, the Au3Cu1 cluster showed the largest static first hyperpolarizability of β (total) = 4.73 × 103 au, while the Au1Cu6 cluster showed frequency dependent first hyperpolarizability of β (-2w;w,w) = 1.26 × 106 au. Besides this, large static and frequency-dependent second hyperpolarizability values of 6.30 × 105 au and 1.05 × 10 au were exhibited by Cu7 and Au1Cu6, respectively. This study offers an effective approach to design high-performance NLO materials utilizing mixed metal clusters which might have broad applications in the fields of optoelectronics and electronics.
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Affiliation(s)
- Fakhar Hussain
- Department of Chemistry, University of Okara 56300 Pakistan
| | - Riaz Hussain
- Department of Chemistry, University of Okara 56300 Pakistan
| | - Muhammad Adnan
- Graduate School of Energy Science and Technology, Chungnam National University Daejeon 34134 Republic of Korea
| | - Shabbir Muhammad
- Department of Chemistry, College of Science, King Khalid University Abha 61413 P.O. Box 9004 Saudi Arabia
| | - Zobia Irshad
- Department of Chemistry, Chosun University Gwangju 61452 Republic of Korea
| | | | - Junaid Yaqoob
- Department of Chemistry, University of Okara 56300 Pakistan
| | - Khurshid Ayub
- Department of Chemistry, COMSAT University Abbottabad Pakistan
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25
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Shanmugam P. Green route synthesis of alpinia calcarata functionalized gold nanoparticles for nonlinear optical applications. Heliyon 2022; 8:e10409. [PMID: 36082338 PMCID: PMC9445288 DOI: 10.1016/j.heliyon.2022.e10409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 08/02/2022] [Accepted: 08/18/2022] [Indexed: 11/19/2022] Open
Abstract
Gold nanoparticles are synthesized from alpinia calcarata extract. The synthesized nanoparticles are considered for their structural, morphological and nonlinear optical properties. Powder X-ray diffraction analysis revealed the structural purity of the prepared samples. FTIR confirmed the presence of biomolecules involved in the reduction and stabilization process. UV–visible spectroscopic studies confirmed the Surface Plasmon Resonance of the prepared nanoparticle. HRTEM exposed the spherical shape morphology of the prepared gold nanoparticles. Zeta potential analysis inferred the stabilization of gold nanoparticles. The synthesised gold nanoparticles are found to be poly-dispersed with an average size of 15 nm. The studies suggest that the glucose and its complex in the alpinia calcarata extract are responsible for the reduction nanoparticles, whereas proteins act as capping agents around the nanoparticles. The Z-scan studies discovered the nonlinear optical behaviour and thus measured its parameters.
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26
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Perumal S, Atchudan R, Rühl E, Graf C. Controlled Synthesis of Platinum and Silver Nanoparticles Using Multivalent Ligands. NANOMATERIALS 2022; 12:nano12132294. [PMID: 35808130 PMCID: PMC9268602 DOI: 10.3390/nano12132294] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 06/29/2022] [Accepted: 06/29/2022] [Indexed: 02/06/2023]
Abstract
Here, the controlled formation of platinum nanoparticles (PtNPs) and silver nanoparticles (AgNPs) using amine-functionalized multivalent ligands are reported. The effects of reaction temperature and ligand multivalency on the growth kinetics, size, and shape of PtNPs and AgNPs were systematically studied by performing a stepwise and a one-step process. PtNPs and AgNPs were prepared in the presence of amine ligands using platinum (II) acetylacetonate and silver (I) acetylacetonate, respectively. The effects of ligands and temperature on the formation of PtNPs were studied using a transmission electron microscope (TEM). For the characterization of AgNPs, additionally, ultraviolet-visible (UV-Vis) absorption was employed. The TEM measurements revealed that PtNPs prepared at different temperatures (160–200 °C, in a stepwise process) are monodispersed and of spherical shape regardless of the ligand multivalency or reaction temperature. In the preparation of PtNPs by the one-step process, ligands affect the shape of the PtNPs, which can be explained by the affinity of the ligands. The TEM and UV-Vis absorption studies on the formation of AgNPs with mono-, di-, and trivalent ligands showed narrower size distributions, while increasing the temperature from 80 °C to 120 °C and with a trivalent ligand in a one-step process.
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Affiliation(s)
- Suguna Perumal
- Physikalische Chemie, Institut für Chemie und Biochemie, Freie Universität Berlin, 14195 Berlin, Germany;
- Department of Chemistry, Sejong University, Seoul 143747, Korea
| | - Raji Atchudan
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Korea;
| | - Eckart Rühl
- Physikalische Chemie, Institut für Chemie und Biochemie, Freie Universität Berlin, 14195 Berlin, Germany;
- Correspondence: (E.R.); (C.G.)
| | - Christina Graf
- Physikalische Chemie, Institut für Chemie und Biochemie, Freie Universität Berlin, 14195 Berlin, Germany;
- Department of Chemistry and Biotechnology, Darmstadt University of Applied Sciences, 64295 Darmstadt, Germany
- Correspondence: (E.R.); (C.G.)
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27
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Davino M, Saule T, Helming NG, Powell JA, Trallero-Herrero C. Characterization of an aerosolized nanoparticle beam beyond the diffraction limit through strong field ionization. Sci Rep 2022; 12:9277. [PMID: 35660781 PMCID: PMC9166774 DOI: 10.1038/s41598-022-13466-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/18/2022] [Indexed: 11/09/2022] Open
Abstract
The study of nanomaterials is an active area of research for technological applications as well as fundamental science. A common method for studying properties of isolated nanoparticles is by an in-vacuum particle beam produced via an aerodynamic lens. Despite being common practice, characterization of such beams has proven difficult as light scattering detection techniques fail for particles with sizes beyond the diffraction limit. Here we present a new technique for characterizing such nanoparticle beams using strong field ionization. By focusing an ultrafast, mJ-level laser into the particle beam, a nanoparticle within the laser focus is ionized and easily detected by its ejected electrons. This method grants direct access to the nanoparticle density at the location of the focus, and by scanning the focus through the transverse and longitudinal profiles of the particle beam we attain the 3-dimensional particle density distribution for a cylindrically symmetric beam. Further, we show that strong field ionization is effective in detecting spherical nanoparticles as small as 10 nm in diameter. Additionally, this technique is an effective tool in optimizing the particle beam for specific applications. As an example we show that the particle beam density and width can be manipulated by restricting the gas flow into the aerodynamic lens.
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Affiliation(s)
- Michael Davino
- Department of Physics, University of Connecticut, Storrs, 06269, USA
| | - Tobias Saule
- Department of Physics, University of Connecticut, Storrs, 06269, USA
| | - Nora G Helming
- Department of Physics, University of Connecticut, Storrs, 06269, USA
| | - J A Powell
- Department of Physics, University of Connecticut, Storrs, 06269, USA.,INRS, Énergie Matériaux et Télécommunications, Varennes, J3X 1P7, Canada
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Nanostructured Colloidal Solutions of Malachite Green Formulated: Nonlinear Optical Properties and Simulation. J Fluoresc 2022; 32:1639-1650. [PMID: 35608805 DOI: 10.1007/s10895-022-02971-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 05/05/2022] [Indexed: 10/18/2022]
Abstract
Malachite green (MG) is a dye that has been presented to use as photosensitizers for photodynamic therapy (PDT). Nonlinear absorption coefficient (β) and nonlinear refractive index (n2) of MG formulations with micelles and its encapsulation are studied aiming PDT. Encapsulation of MG was prepared by the mixture of water droplet in the continuous phase of oil, stabilized with surfactant. MG interacts with micelles and reverses micelle (RM), and the results are related to the size and concentration of micelles, RM, surfactant charge types. At low capsule size, the 1/β linearly increases by the increase of volume fraction of water droplet, while, an exponential behavior was observed in the higher capsule size.
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29
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Wada T, Ishihara H. Optical force spectroscopy for measurement of nonlinear optical coefficient of single nanoparticles through optical manipulation. OPTICS EXPRESS 2022; 30:17490-17516. [PMID: 36221571 DOI: 10.1364/oe.456122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 04/11/2022] [Indexed: 06/16/2023]
Abstract
Compared with manipulation of microparticles with optical tweezers and control of atomic motion with atom cooling, the manipulation of nanoscale objects is challenging because light exerts a significantly weaker force on nanoparticles than on microparticles. The complex interaction of nanoparticles with the environmental solvent media adds to this challenge. In recent years, optical manipulation using electronic resonance effects has garnered interest because it has enabled researchers to enhance the force as well as sort nanoparticles by their quantum mechanical properties. Especially, a precise observation of the motion of nanoparticles irradiated by resonant light enables the precise measurement of the material parameters of single nanoparticles. Conventional spectroscopic methods of measurement are based on indirect processes involving energy dissipation, such as thermal dissipation and light scattering. This study proposes a theoretical method to measure the nonlinear optical constant based on the optical force. The nonlinear susceptibility of single nanoparticles can be directly measured by evaluating the transportation distance of particles through pure momentum exchange. We extrapolate an experimentally verified method of measuring the linear absorption coefficient of single nanoparticles by the optical force to determine the nonlinear absorption coefficient. To this end, we simulate the third-order nonlinear susceptibility of the target particles with the kinetic analysis of nanoparticles at the solid-liquid interface incorporating the Brownian motion. The results show that optical manipulation can be used as nonlinear optical spectroscopy utilizing direct exchange of momentum. To the best of our knowledge, this is currently the only way to measure the nonlinear coefficient of individual single nanoparticles.
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30
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Muhammad S. Symmetric vs. asymmetric: Which one is the better molecular configuration for achieving robust NLO response? J Mol Graph Model 2022; 114:108209. [DOI: 10.1016/j.jmgm.2022.108209] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 04/17/2022] [Accepted: 04/27/2022] [Indexed: 11/27/2022]
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31
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Rashidnejad H, Motiei H, Ramezanitaghartapeh M, Noroozi Pesyan N, Poursattar Marjani A, Ng Kay Lup A. Third-order nonlinear optical properties and thermal lens effect of 5-hydroxyquinoline azo dyes. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113763] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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32
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Soldado A, Barrio LC, Díaz-Gonzalez M, de la Escosura-Muñiz A, Costa-Fernandez JM. Advances in quantum dots as diagnostic tools. Adv Clin Chem 2022; 107:1-40. [PMID: 35337601 DOI: 10.1016/bs.acc.2021.07.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Quantum dots (QDs) are crystalline inorganic semiconductor nanoparticles a few nanometers in size that possess unique optical electronic properties vs those of larger materials. For example, QDs usually exhibit a strong and long-lived photoluminescence emission, a feature dependent on size, shape and composition. These special optoelectronic properties make them a promising alternative to conventional luminescent dyes as optical labels in biomedical applications including biomarker quantification, biomolecule targeting and molecular imaging. A key parameter for use of QDs is to functionalize their surface with suitable (bio)molecules to provide stability in aqueous solutions and efficient and selective tagging biomolecules of interest. Researchers have successfully developed biocompatible QDs and have linked them to various biomolecule recognition elements, i.e., antibodies, proteins, DNA, etc. In this chapter, QD synthesis and characterization strategies are reviewed as well as the development of nanoplatforms for luminescent biosensing and imaging-guided targeting. Relevant biomedical applications are highlighted with a particular focus on recent progress in ultrasensitive detection of clinical biomarkers. Finally, key future research goals to functionalize QDs as diagnostic tools are explored.
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Affiliation(s)
- Ana Soldado
- Department of Physical and Analytical Chemistry, University of Oviedo, Oviedo, Spain
| | - Laura Cid Barrio
- Department of Physical and Analytical Chemistry, University of Oviedo, Oviedo, Spain
| | - María Díaz-Gonzalez
- Department of Physical and Analytical Chemistry, University of Oviedo, Oviedo, Spain
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33
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Belashov AV, Shevkunov IA, Kolesova EP, Orlova AO, Putilin SE, Veniaminov AV, Cheng CJ, Petrov NV. Investigation of Nonlinear Optical Properties of Quantum Dots Deposited onto a Sample Glass Using Time-Resolved Inline Digital Holography. J Imaging 2022; 8:74. [PMID: 35324629 PMCID: PMC8955446 DOI: 10.3390/jimaging8030074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 03/01/2022] [Accepted: 03/04/2022] [Indexed: 12/10/2022] Open
Abstract
We report on the application of time-resolved inline digital holography in the study of the nonlinear optical properties of quantum dots deposited onto sample glass. The Fresnel diffraction patterns of the probe pulse due to noncollinear degenerate phase modulation induced by a femtosecond pump pulse were extracted from the set of inline digital holograms and analyzed. The absolute values of the nonlinear refractive index of both the sample glass substrate and the deposited layer of quantum dots were evaluated using the proposed technique. To characterize the inhomogeneous distribution of the samples' nonlinear optical properties, we proposed plotting an optical nonlinearity map calculated as a local standard deviation of the diffraction pattern intensities induced by noncollinear degenerate phase modulation.
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Affiliation(s)
| | - Igor A. Shevkunov
- Faculty of Information Technology and Communication Sciences, Tampere University, 33720 Tampere, Finland;
| | - Ekaterina P. Kolesova
- Faculty of Photonics, ITMO University, 197101 Saint-Petersburg, Russia; (E.P.K.); (A.O.O.); (A.V.V.)
| | - Anna O. Orlova
- Faculty of Photonics, ITMO University, 197101 Saint-Petersburg, Russia; (E.P.K.); (A.O.O.); (A.V.V.)
| | - Sergei E. Putilin
- Faculty of Photonics, ITMO University, 197101 Saint-Petersburg, Russia; (E.P.K.); (A.O.O.); (A.V.V.)
| | - Andrei V. Veniaminov
- Faculty of Photonics, ITMO University, 197101 Saint-Petersburg, Russia; (E.P.K.); (A.O.O.); (A.V.V.)
| | - Chau-Jern Cheng
- Information Optics and Photonics Laboratory, Institute of Electro-Optical Engineering, National Taiwan Normal University, Taipei 11677, Taiwan;
| | - Nikolay V. Petrov
- Faculty of Photonics, ITMO University, 197101 Saint-Petersburg, Russia; (E.P.K.); (A.O.O.); (A.V.V.)
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34
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Probing Optical Nonlinearities of Unconventional Glass Nanocomposites Made of Ionic Liquid Crystals and Bimetallic Nanoparticles. NANOMATERIALS 2022; 12:nano12060924. [PMID: 35335737 PMCID: PMC8951295 DOI: 10.3390/nano12060924] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/04/2022] [Accepted: 03/07/2022] [Indexed: 02/04/2023]
Abstract
In this paper, we report the synthesis and characterization of unconventional nanocomposites made of bimetallic nanoparticles dispersed in a liquid crystal glass. Core-shell bimetallic nanoparticles (Ag/Au or Au/Ag) and Ag-Au bimetallic nanoalloys are synthesized using cadmium alkanoate glass-forming liquid crystals as nanoreactors. Optical spectra of the produced glassy nanocomposites exhibit a distinctive absorption peak due to a surface plasmon resonance. In addition, these unusual materials demonstrate a strong nonlinear–optical response probed by means of the Z-scan technique. The use of near-infrared (1064 nm) and visible (532 nm) nanosecond laser pulses reveal a variety of nonlinear–optical mechanisms that depend on the composition of the studied nanocomposites. Our results indicate that metal alkanoate-based glass-forming ionic liquid crystals with embedded plasmonic nanoparticles are promising, yet they are overlooked photonic nanomaterials suitable for optical and nonlinear-optical applications.
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35
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Shi Y, Dong Y, Sun D, Li G. Significant Near-Field Enhancement over Large Volumes around Metal Nanorods via Strong Coupling of Surface Lattice Resonances and Fabry–Pérot Resonance. MATERIALS 2022; 15:ma15041523. [PMID: 35208063 PMCID: PMC8876971 DOI: 10.3390/ma15041523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 02/01/2022] [Accepted: 02/15/2022] [Indexed: 12/04/2022]
Abstract
Metal nanoparticles supporting plasmons are widely used to enhance electromagnetic fields, resulting in strong light–matter interactions at the nanoscale in a diverse range of applications. Recently, it has been shown that when metal nanorods are periodically arranged with proper lattice periods, surface lattice resonances (SLRs) can be excited and near fields can be greatly enhanced over extended volumes. In this work, we report significant near field enhancement over even larger volumes by placing the metal nanorod array within a Fabry–Pérot (F-P) microcavity. Simulation results show that by taking advantage of strong coupling between the SLR and the photonic F-P resonances, the electric field intensity of the bonding split mode can be enhanced by up to 1935 times, which is about three times of the enhancement of the SLR, and the greatly enhanced field can extend over most of the F-P microcavity. We further show that the F-P resonances of both odd and even orders can strongly couple to the SLR by varying the nanorods position from the middle of the microcavity. We expect that the proposed plasmonic-photonic coupling system will find promising applications in nanolasers, nonlinear optics and sensing.
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Affiliation(s)
- Yunjie Shi
- Schools of Science, Changchun University of Science and Technology, 7089 Weixing Road, Changchun 130022, China;
- CAS Key Laboratory of Human-Machine Intelligence-Synergy Systems, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China;
| | - Yuming Dong
- CAS Key Laboratory of Human-Machine Intelligence-Synergy Systems, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China;
- Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Shenzhen 518055, China
| | - Degui Sun
- Schools of Science, Changchun University of Science and Technology, 7089 Weixing Road, Changchun 130022, China;
- Correspondence: (D.S.); (G.L.)
| | - Guangyuan Li
- CAS Key Laboratory of Human-Machine Intelligence-Synergy Systems, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China;
- Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Shenzhen 518055, China
- Correspondence: (D.S.); (G.L.)
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Zhou H, Dong J, Cheng J, Dong W, Huang C, Shen Y, Zhang Q, Gu M, Qian C, Chen H, Ruan Z, Zhang X. Photonic matrix multiplication lights up photonic accelerator and beyond. LIGHT, SCIENCE & APPLICATIONS 2022; 11:30. [PMID: 35115497 PMCID: PMC8814250 DOI: 10.1038/s41377-022-00717-8] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 01/07/2022] [Accepted: 01/13/2022] [Indexed: 05/09/2023]
Abstract
Matrix computation, as a fundamental building block of information processing in science and technology, contributes most of the computational overheads in modern signal processing and artificial intelligence algorithms. Photonic accelerators are designed to accelerate specific categories of computing in the optical domain, especially matrix multiplication, to address the growing demand for computing resources and capacity. Photonic matrix multiplication has much potential to expand the domain of telecommunication, and artificial intelligence benefiting from its superior performance. Recent research in photonic matrix multiplication has flourished and may provide opportunities to develop applications that are unachievable at present by conventional electronic processors. In this review, we first introduce the methods of photonic matrix multiplication, mainly including the plane light conversion method, Mach-Zehnder interferometer method and wavelength division multiplexing method. We also summarize the developmental milestones of photonic matrix multiplication and the related applications. Then, we review their detailed advances in applications to optical signal processing and artificial neural networks in recent years. Finally, we comment on the challenges and perspectives of photonic matrix multiplication and photonic acceleration.
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Affiliation(s)
- Hailong Zhou
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Jianji Dong
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China.
| | - Junwei Cheng
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Wenchan Dong
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Chaoran Huang
- Department of Electronic Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | | | - Qiming Zhang
- Institute of Photonic Chips, University of Shanghai for Science and Technology, Shanghai, 200093, China
- Centre for Artificial-Intelligence Nanophotonics, School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Min Gu
- Institute of Photonic Chips, University of Shanghai for Science and Technology, Shanghai, 200093, China
- Centre for Artificial-Intelligence Nanophotonics, School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, China
| | - Chao Qian
- Interdisciplinary Center for Quantum Information, State Key Laboratory of Modern Optical Instrumentation, ZJU-Hangzhou Global Scientific and Technological Innovation Center, ZJU-UIUC Institute, Zhejiang University, Hangzhou, 310027, China
| | - Hongsheng Chen
- Interdisciplinary Center for Quantum Information, State Key Laboratory of Modern Optical Instrumentation, ZJU-Hangzhou Global Scientific and Technological Innovation Center, ZJU-UIUC Institute, Zhejiang University, Hangzhou, 310027, China
| | - Zhichao Ruan
- Interdisciplinary Center of Quantum Information, State Key Laboratory of Modern Optical Instrumentation, and Zhejiang Province Key Laboratory of Quantum Technology and Device, Department of Physics, Zhejiang University, Hangzhou, 310027, China
| | - Xinliang Zhang
- Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, 430074, China
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37
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Jun SW, Jang H, Kim J, Kim CS. Multiphoton excitation imaging via an actively mode-locked tunable fiber-cavity SOA laser around 800 nm. BIOMEDICAL OPTICS EXPRESS 2022; 13:525-538. [PMID: 35284185 PMCID: PMC8884227 DOI: 10.1364/boe.447010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 12/13/2021] [Accepted: 12/14/2021] [Indexed: 06/14/2023]
Abstract
In this study, an active mode-locked tunable pulsed laser (AML-TPL) is proposed to excite picosecond pulsed light with a rapid wavelength tunability of approximately 800 nm for multiphoton microscopy. The AML-TPL is schematically based on a fiber-cavity semiconductor optical amplifier (SOA) configuration to implement a robust and align-free pulsed light source with a duration of 1.6 ps, a repetition rate of 27.9271 MHz, and average output power of over 600 mW. A custom-built multiphoton imaging system was also built to demonstrate the imaging performance of the proposed AML-TPL by comparing with the commercial Ti:Sapphire femtosecond laser. Two-photon excited fluorescence images were successfully acquired using a human breast cancer cell line (MDA-MB-231) stained with acridine orange.
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Affiliation(s)
- Seung Won Jun
- Ground Technology Research Institute, Agency for Defense Development, Daejeon 34186, Republic of Korea
- These authors contributed equally to this work
| | - Hansol Jang
- Department of Cogno-Mechatronics Engineering,
Pusan National University, 2 Busandaehak-ro
63 beon-gil, Busan, 46241, Republic of
Korea
- These authors contributed equally to this work
| | - Jaeheung Kim
- Department of Cogno-Mechatronics Engineering,
Pusan National University, 2 Busandaehak-ro
63 beon-gil, Busan, 46241, Republic of
Korea
| | - Chang-Seok Kim
- Department of Cogno-Mechatronics Engineering,
Pusan National University, 2 Busandaehak-ro
63 beon-gil, Busan, 46241, Republic of
Korea
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Thermally active nanoparticle clusters enslaved by engineered domain wall traps. Nat Commun 2021; 12:5813. [PMID: 34608137 PMCID: PMC8490384 DOI: 10.1038/s41467-021-25931-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 09/09/2021] [Indexed: 11/08/2022] Open
Abstract
The stable assembly of fluctuating nanoparticle clusters on a surface represents a technological challenge of widespread interest for both fundamental and applied research. Here we demonstrate a technique to stably confine in two dimensions clusters of interacting nanoparticles via size-tunable, virtual magnetic traps. We use cylindrical Bloch walls arranged to form a triangular lattice of ferromagnetic domains within an epitaxially grown ferrite garnet film. At each domain, the magnetic stray field generates an effective harmonic potential with a field tunable stiffness. The experiments are combined with theory to show that the magnetic confinement is effectively harmonic and pairwise interactions are of dipolar nature, leading to central, strictly repulsive forces. For clusters of magnetic nanoparticles, the stationary collective states arise from the competition between repulsion, confinement and the tendency to fill the central potential well. Using a numerical simulation model as a quantitative map between the experiments and theory we explore the field-induced crystallization process for larger clusters and unveil the existence of three different dynamical regimes. The present method provides a model platform for investigations of the collective phenomena emerging when strongly confined nanoparticle clusters are forced to move in an idealized, harmonic-like potential.
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Jiang J, Jia Y, Wu T, Gao Y. Transformation from Self-Focusing to Self-Defocusing of Silver Nanoparticles. NANOMATERIALS 2021; 11:nano11102485. [PMID: 34684926 PMCID: PMC8541450 DOI: 10.3390/nano11102485] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 09/17/2021] [Accepted: 09/20/2021] [Indexed: 11/16/2022]
Abstract
The nonlinear refraction of silver nanoparticles (AgNPs) in n-hexane was studied by using the closed-aperture Z-scan technique with a 532 nm nanosecond laser. It was found that, the nonlinear refraction of AgNPs shows the coexistence and transformation from self-focusing to self-defocusing. Specifically, self-focusing occurs at low excitation intensity, self-defocusing occurs at high excitation intensity, and coexistence of self-focusing and self-defocusing occurs at relatively moderate excitation intensity. The experimental results were analysed and discussed in terms of third-order and fifth-order nonlinear refractive effect. Specifically, the self-focusing is caused by the positive third-order nonlinear refraction, the self-defocusing is induced by the negative fifth-order nonlinear refraction, and the transformation from the self-focusing to self-defocusing at medium excitation intensity is caused by the competition of third-order and fifth-order nonlinear refraction. Finally, the third-order refractive index and fifth-order refractive index were obtained.
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Affiliation(s)
- Jijuan Jiang
- College of Electronic Engineering, Heilongjiang University, Harbin 150080, China; (J.J.); (Y.J.); (T.W.)
- College of Communication and Electronic Engineering, Qiqihar University, Qiqihar 161000, China
| | - Yang Jia
- College of Electronic Engineering, Heilongjiang University, Harbin 150080, China; (J.J.); (Y.J.); (T.W.)
- College of Communication and Electronic Engineering, Qiqihar University, Qiqihar 161000, China
| | - Tong Wu
- College of Electronic Engineering, Heilongjiang University, Harbin 150080, China; (J.J.); (Y.J.); (T.W.)
| | - Yachen Gao
- College of Electronic Engineering, Heilongjiang University, Harbin 150080, China; (J.J.); (Y.J.); (T.W.)
- Correspondence:
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Shkryl Y, Rusapetova T, Yugay Y, Egorova A, Silant’ev V, Grigorchuk V, Karabtsov A, Timofeeva Y, Vasyutkina E, Kudinova O, Ivanov V, Kumeiko V, Bulgakov V. Biosynthesis and Cytotoxic Properties of Ag, Au, and Bimetallic Nanoparticles Synthesized Using Lithospermum erythrorhizon Callus Culture Extract. Int J Mol Sci 2021; 22:9305. [PMID: 34502210 PMCID: PMC8431615 DOI: 10.3390/ijms22179305] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 08/25/2021] [Accepted: 08/26/2021] [Indexed: 12/16/2022] Open
Abstract
The present study reports a green chemistry approach for the rapid and easy biological synthesis of silver (Ag), gold (Au), and bimetallic Ag/Au nanoparticles using the callus extract of Lithospermum erythrorhizon as a reducing and capping agent. The biosynthesized nanoparticles were characterized with ultraviolet-visible (UV-Vis) spectroscopy, X-ray diffraction (XRD) analysis, and transmission electron microscopy (TEM). Our results showed the formation of crystalline metal nanostructures of both spherical and non-spherical shape. Energy dispersive X-ray (EDX) spectroscopy showed the characteristic peaks in the silver and gold regions, confirming the presence of the corresponding elements in the monometallic particles and both elements in the bimetallic particles. Fourier-transform infrared (FTIR) spectroscopy affirmed the role of polysaccharides and polyphenols of the L. erythrorhizon extract as the major reducing and capping agents for metal ions. In addition, our results showed that the polysaccharide sample and the fraction containing secondary metabolites isolated from L. erythrorhizon were both able to produce large amounts of metallic nanoparticles. The biosynthesized nanoparticles demonstrated cytotoxicity against mouse neuroblastoma and embryonic fibroblast cells, which was considerably higher for Ag nanoparticles and for bimetallic Ag/Au nanoparticles containing a higher molar ratio of silver. However, fibroblast migration was not significantly affected by any of the nanoparticles tested. The obtained results provide a new example of the safe biological production of metallic nanoparticles, but further study is required to uncover the mechanism of their toxicity so that the biomedical potency can be assessed.
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Affiliation(s)
- Yury Shkryl
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia; (T.R.); (Y.Y.); (V.G.); (Y.T.); (E.V.); (O.K.); (V.B.)
| | - Tatiana Rusapetova
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia; (T.R.); (Y.Y.); (V.G.); (Y.T.); (E.V.); (O.K.); (V.B.)
| | - Yulia Yugay
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia; (T.R.); (Y.Y.); (V.G.); (Y.T.); (E.V.); (O.K.); (V.B.)
| | - Anna Egorova
- Department of Molecular Diagnostics and Epidemiology, Central Research Institute of Epidemiology, 111123 Moscow, Russia;
| | - Vladimir Silant’ev
- Department of Biomedical Chemistry, Far Eastern Federal University, 690950 Vladivostok, Russia;
- Institute of Chemistry, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia
| | - Valeria Grigorchuk
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia; (T.R.); (Y.Y.); (V.G.); (Y.T.); (E.V.); (O.K.); (V.B.)
| | - Aleksandr Karabtsov
- Far Eastern Geological Institute, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia; (A.K.); (V.I.)
| | - Yana Timofeeva
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia; (T.R.); (Y.Y.); (V.G.); (Y.T.); (E.V.); (O.K.); (V.B.)
| | - Elena Vasyutkina
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia; (T.R.); (Y.Y.); (V.G.); (Y.T.); (E.V.); (O.K.); (V.B.)
| | - Olesya Kudinova
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia; (T.R.); (Y.Y.); (V.G.); (Y.T.); (E.V.); (O.K.); (V.B.)
| | - Vladimir Ivanov
- Far Eastern Geological Institute, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia; (A.K.); (V.I.)
| | - Vadim Kumeiko
- Department of Medical Biology and Biotechnology, Far Eastern Federal University, 690950 Vladivostok, Russia;
- A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch of the Russian Academy of Sciences, 690041 Vladivostok, Russia
| | - Victor Bulgakov
- Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, 690022 Vladivostok, Russia; (T.R.); (Y.Y.); (V.G.); (Y.T.); (E.V.); (O.K.); (V.B.)
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Waheed A, Muhammad S, Gilani MA, Adnan M, Aloui Z. A Systematic and Comparative Analysis of Four Major Classes of DFT Functionals to Compute Linear and Nonlinear Optical Properties of Benchmark Molecules. JOURNAL OF COMPUTATIONAL BIOPHYSICS AND CHEMISTRY 2021. [DOI: 10.1142/s2737416521500307] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
This study spotlights the fundamental insights about the systematic and comparative analysis of four famous hybrid classes of density functional theory (DFT) methods and their efficacy to calculate the linear and nonlinear optical (NLO) polarizabilities. For this study, urea and para-nitroaniline ([Formula: see text]-NA) molecular geometries are used as prototypes to calculate their linear and NLO properties. For comparative purposes, these molecules are often used as reference organic molecules for determination of NLO response properties and there is a dire need for such a benchmark database to be utilized by the researchers. We report systematically a range of functionals including hybrid (B3LYP, PBE1PBE, BH and HLYP), meta-hybrid (M06, M06-2X, M06-HF, M06-L), long-range corrected (CAM-B3LYP, LC-BLYP, LC-B97D, LC-B97D3) and functional with dispersion correction ([Formula: see text]B97, [Formula: see text]B97X, [Formula: see text]B97XD, HSEH1PBE). These groups are evaluated and their efficiency to calculate linear and NLO properties is graphically compared with each other. Overall, there are less deviations among different functionals for calculating dipole moments of [Formula: see text]-NA and urea while these deviations enhance as one moves from dipole moment to linear polarizability and nonlinear hyperpolarizabilities. In general, if we look at the trends, the polarizability values of B3LYP, M06-L, CAM-B3LYP and HSEH1PBE are relatively large and can be compared with each other. The dispersion corrected and long-range corrected functionals show more systematic deviations. For instance, among dispersion corrected functionals, the amplitudes of dipole moments, linear polarizability and NLO polarizabilities show an increasing trend as [Formula: see text]. It is also important to note that LC-B97D and LC-B97D3 of long-range corrected functional have observed exactly the same values of all the calculated parameters. A good agreement is being observed in static first and second hyperpolarizabilities of urea (B3LYP, M06-L, M06 and HSEH1PBE) and [Formula: see text]-NA (B3LYP, M06, M06-L, CAM-B3LYP and HSEH1PBE). Thus, we believe that the current investigation will provide the benchmark data of reference NLO molecules at different methods for theoretical community and molecular level insights for experimental community to design better NLO materials for hi-tech NLO applications.
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Affiliation(s)
- Alina Waheed
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Shabbir Muhammad
- Department of Physics, College of Science, King Khalid University, Abha 61413, P. O. Box 9004, Saudi Arabia
| | - Mazhar Amjad Gilani
- Department of Chemistry, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Muhammad Adnan
- Graduate School, Department of Chemistry, Chosun University, Gwangju 501-759, Republic of Korea
| | - Zouhaier Aloui
- Department of Chemistry, College of Science, King Khalid University, Abha 61413, P. O. Box 9004, Saudi Arabia
- Laboratoire de Chimie des Matériaux, Université de Carthage Faculté des Sciences de Bizerte, 7021 Zarzouna, Tunisie
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Kiran R, Khera RA, Khan AU, Ayoub A, Iqbal N, Ayub K, Iqbal J. Study of nonlinear optical properties of superhalogen and superalkali doped phosphorene. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130348] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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43
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Kumar P, Chandra Mathpal M, Jagannath G, Prakash J, Maze JR, Roos WD, Swart HC. Optical limiting applications of resonating plasmonic Au nanoparticles in a dielectric glass medium. NANOTECHNOLOGY 2021; 32:345709. [PMID: 33962405 DOI: 10.1088/1361-6528/abfee6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Accepted: 05/07/2021] [Indexed: 06/12/2023]
Abstract
Plasmonic nanostructures exhibiting high optical nonlinearities are widely used in the rapidly growing modern nanotechnology of nonlinear optics including biomedical applications due to their tunable plasmonic behavior. In this work, we investigate the nonlinear optical properties of uniformly distributed Au nanoparticles (NPs) embedded in pre-synthesized sodium-zinc borate glass by the well-known ion-exchange technique for optical limiting (OL) applications. Various techniques such as optical absorption spectroscopy, x-ray photoelectron spectroscopy, Transmission Electron Microscope (TEM), Photoluminescence, Time of Flight secondary mass spectroscopy and the Z scan technique were used for the characterization of these NPs. TEM confirmed spherically shaped Au NPs with varying sizes of up to 16 nm, in agreement with optical absorption spectroscopy. Nonlinear optical (NLO) properties of these Au NPs were investigated by using an open as well as close aperture Z scan technique which exhibited enhanced optical nonlinearities. The two-photon absorption (2PA) coefficients demonstrated an increasing trend while the OL threshold values demonstrated a decreasing trend as a function of heat treatment. The improved 2PA coefficients and decreased OL threshold values endorsed the Au NPs containing glasses as contending materials for the fabrication of promising optical limiters for the protection of eyes and other sensitive instruments from laser induced damages.
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Affiliation(s)
- Promod Kumar
- Department of Physics, University of the Free State, Bloemfontein, ZA9300, South Africa
| | - Mohan Chandra Mathpal
- Instituto de Física, Pontificia Universidad Católica de Chile, Casilla 306, Santiago, Chile
| | - Gangareddy Jagannath
- Department of Physics, K S Institute of Technology, Bengaluru 560109, Karnataka, India
| | - Jai Prakash
- Department of Chemistry, National Institute of Technology Hamirpur, Hamirpur-177005 (H.P), India
| | - Jero-R Maze
- Instituto de Física, Pontificia Universidad Católica de Chile, Casilla 306, Santiago, Chile
| | - W D Roos
- Department of Physics, University of the Free State, Bloemfontein, ZA9300, South Africa
| | - H C Swart
- Department of Physics, University of the Free State, Bloemfontein, ZA9300, South Africa
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44
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Nayak S, Manjunatha KB, Goveas LC, Rao CV, Sajankila SP. Investigation of Nonlinear Optical Properties of AgNPs Synthesized Using Cyclea peltata Leaf Extract Post OVAT Optimization. BIONANOSCIENCE 2021. [DOI: 10.1007/s12668-021-00875-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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45
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El-Mahalawy AM, Abdou MM, Wassel AR. Structural, spectroscopic and electrical investigations of novel organic thin films bearing push-pull azo - Phenol dye for UV photodetection applications. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 248:119243. [PMID: 33310615 DOI: 10.1016/j.saa.2020.119243] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 11/04/2020] [Accepted: 11/14/2020] [Indexed: 06/12/2023]
Abstract
In the current study, novel thin films of a phenol-based push-pull azo dye, 2-acetyl-4-(4-chloro-phenylazo) phenol (ACAP), with tunable optical and electronic properties were designed, synthesized and characterized for UV photodetection applications. The crystalline structure and morphological features of the thermally evaporated ACAP thin films are investigated. The fabricated thin films exhibit an amorphous-like structure with low-intensity crystalline regions of average crystallite size of about 29.51 nm and a smooth surface with nanostructured sheets formation. The optical transmittance, reflectance, and absorption of ACAP thin films are measured in the spectral range UV-vis-NIR. A significant high UV absorption extending from 190 nm to 385 nm is observed with semi-transparency nature in the visible region. Furthermore, a good agreement is obtained between the estimated value of the direct energy gap that is obtained experimentally (3.62 eV) and that calculated from the theoretical DFT approach (3.74 eV). The dispersion behavior is analyzed in terms of the single oscillator model and is employed to estimate the dispersion parameters. Finally, an organic/inorganic heterojunction device based on Au/ACAP/n-Si/Al for UV photodetection is successfully fabricated. The current-voltage relations of the manufactured photodetector showed significant stability and sensitivity to the incident UV illumination. The fabricated UV photodetector exhibits responsivity ~25.7 mA/W, specific detectivity ~2 × 109 Jones, efficiency ~16.74%, a fast and reproducible ON/OFF switching behavior with 480 ms and 218 ms rise and fall time, respectively.
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Affiliation(s)
- Ahmed M El-Mahalawy
- Thin Films Laboratory, Physics Department, Faculty of Science, Suez Canal University, 41522 Ismailia, Egypt.
| | - Moaz M Abdou
- Egyptian Petroleum Research Institute, P.O. 11727, Nasr City, Cairo, Egypt
| | - Ahmed R Wassel
- Electron Microscope and Thin Films Department, Physics Research Division, National Research Centre, 33El - Behouth St., Dokki, 12622 Giza, Egypt
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Mondal K, Biswas S, Singha T, Chatterjee U, Datta PK, Kumbhakar P. Enhanced optical power limiting and visible luminescence in colloidal dispersion of ultra-small Au nanoclusters synthesized by single-pot chemical technique. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114909] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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47
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Bindiug DV, Vasilev AA, Dzidziguri EL, Efimov MN, Karpacheva GP. Effect of the Loading of Metal Salts on the Formation of Fe–Co Solid Solution Nanoparticles in the IR-Pyrolyzed Chitosan Matrix. RUSS J GEN CHEM+ 2021. [DOI: 10.1134/s1070363221010126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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48
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Gangadhar PS, Reddy G, Prasanthkumar S, Giribabu L. Phenothiazine functional materials for organic optoelectronic applications. Phys Chem Chem Phys 2021; 23:14969-14996. [PMID: 34231592 DOI: 10.1039/d1cp01185e] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Phenothiazine (PTZ) is one of the most extensively investigated S, N heterocyclic aromatic hydrocarbons due to its unique optical, electronic properties, flexibility of functionalization, low cost, and commercial availability. Hence, PTZ and its derivative materials have been attractive in various optoelectronic applications in the last few years. In this prospective, we have focused on the most significant characteristics of PTZ and highlighted how the structural modifications such as different electron donors or acceptors, length of the π-conjugated system or spacers, polar or non-polar chains, and other functional groups influence the optoelectronic properties. This prospective provides a recent account of the advances in phenothiazine derivative materials as an active layer(s) for optoelectronic (viz. dye sensitized solar cells (DSSCs), perovskite solar cells (PSCs), organic solar cells (OSCs), organic light-emitting diodes (OLEDs), organic field-effect transistor (OFETs), chemosensing, nonlinear optical materials (NLOs), and supramolecular self-assembly applications. Finally, future prospects are discussed based on the structure-property relationship in PTZ-derivative materials. This overview will pave the way for researchers to design and develop new PTZ-functionalized structures and use them for various organic optoelectronic applications.
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Affiliation(s)
- Palivela Siva Gangadhar
- Polymers & Functional Materials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, TS, India. and Academy of Scientific and Innovation Research (AcSIR), Ghaziabad, 201002, India
| | - Govind Reddy
- Polymers & Functional Materials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, TS, India.
| | - Seelam Prasanthkumar
- Polymers & Functional Materials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, TS, India. and Academy of Scientific and Innovation Research (AcSIR), Ghaziabad, 201002, India
| | - Lingamallu Giribabu
- Polymers & Functional Materials Division, CSIR-Indian Institute of Chemical Technology, Hyderabad 500007, TS, India. and Academy of Scientific and Innovation Research (AcSIR), Ghaziabad, 201002, India
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Lakshmanan A, Surendran P, Sakthy Priya S, Balakrishnan K, Geetha P, Rameshkumar P, Hegde TA, Vinitha G, Kannan K. Investigations on structural, optical, dielectric, electronic polarizability, Z-scan and antibacterial properties of Ni/Zn/Fe2O4 nanoparticles fabricated by microwave-assisted combustion method. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112794] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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50
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García-Beltrán G, Mercado-Zúñiga C, Torres-SanMiguel CR, Trejo-Valdez M, Villalpando I, Torres-Torres C. Navigation of Silver/Carbon Nanoantennas in Organic Fluids Explored by a Two-Wave Mixing. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1886. [PMID: 32967106 PMCID: PMC7557386 DOI: 10.3390/nano10091886] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/01/2020] [Accepted: 09/03/2020] [Indexed: 12/01/2022]
Abstract
Within this work are analyzed third-order nonlinear optical properties with a potential influence on the dynamic mechanics exhibited by metal/carbon nanofluids. The nanofluids were integrated by multiwall carbon nanotubes decorated with Ag nanoparticles suspended in ethanol or in acetone. Optical third-order nonlinearities were experimentally explored by vectorial two-wave mixing experiments with a Nd-YAG laser system emitting nanosecond pulses at a 532 nm wavelength. An optically induced birefringence in the metal/organic samples seems to be responsible for a significant modification in density and compressibility modulus in the nanosystems. The measured nonlinear refractive index was associated with a thermal process together with changes in density, compressibility modulus and speed of sound in the samples. Nanofluid diffusivity was studied to characterize the dynamic concentration gradients related to the precipitation of nanostructures in the liquid solutions. The evolution of the nanoparticle density suspended in the nanofluids was considered as a temporal-resolved probabilistic system. It is stated that the incorporation of Ag nanoparticles in carbon nanotubes produces strong mechanical changes in carbon-based nanofluids. According to numerical simulations and optical evaluations, immediate applications for developing dynamic nanoantennas optical logic gates and quantum-controlled metal/carbon systems can be contemplated.
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Affiliation(s)
- Geselle García-Beltrán
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Ingeniería Mecánica y Eléctrica Unidad Zacatenco, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico; (G.G.-B.); (C.R.T.-S.)
| | - Cecilia Mercado-Zúñiga
- Departamento de Ingeniería de Materiales, Tecnológico de Estudios Superiores de Coacalco, Cabecera Municipal 55700, Mexico;
| | - Christopher René Torres-SanMiguel
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Ingeniería Mecánica y Eléctrica Unidad Zacatenco, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico; (G.G.-B.); (C.R.T.-S.)
| | - Martín Trejo-Valdez
- Escuela Superior de Ingeniería Química e Industrias Extractivas, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico;
| | - Isaela Villalpando
- Centro de Investigación para los Recursos Naturales, Salaices 33941, Mexico;
| | - Carlos Torres-Torres
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Ingeniería Mecánica y Eléctrica Unidad Zacatenco, Instituto Politécnico Nacional, Ciudad de México 07738, Mexico; (G.G.-B.); (C.R.T.-S.)
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