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Sharma N, Radha, Kumar M, Kumari N, Rais N, Pundir A, Anitha T, Balamurugan V, Senapathy M, Dhumal S, Natta S, Deshmukh VP, Kumar S, Pandiselvam R, Lorenzo JM, Mekhemar M. Beneath the rind: A review on the remarkable health benefits and applications of the wood apple fruit. Heliyon 2024; 10:e29202. [PMID: 38623209 PMCID: PMC11016700 DOI: 10.1016/j.heliyon.2024.e29202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 04/02/2024] [Accepted: 04/02/2024] [Indexed: 04/17/2024] Open
Abstract
Limonia acidissima Groff, commonly referred to as the Wood apple, is a tropical fruit belonging to Rutaceae family. Indigenous to Sri Lanka, India, and Myanmar, it is extensively cultivated throughout Southeast Asia. This fruit holds a profound historical significance in traditional medicine due to its exceptional nutritional and therapeutic attributes. Wood apple pulp is significantly abundant in β-carotene, a precursor to vitamin A, and contains a substantial amount of vitamin B, including riboflavin and thiamine, as well as trace amounts of ascorbic acid (vitamin C). Moreover health-benefitting properties associated with L. acidissima, such as, antioxidant, hepatoprotective, antimicrobial, neuroprotective, antidiabetic, anti-inflammatory, anti-spermatogenic, analgesic, antiulcer, and antihyperlipidemic properties, are attributed to a diverse range of phytochemicals. These encompass polyphenolic compounds, saponins, phytosterols, tannins, triterpenoids, coumarins, amino acids, tyramine derivatives, and vitamins. From the findings of the various studies, it was observed that wood apple fruit shows significant anticancer activity by inhibiting the proliferation of cancer. Furthermore, wood apple finds wide-ranging commercial applications in the formulation of ready-to-serve beverages, syrups, jellies, chutneys, and various other food products. In summary, this review highlights the nutritional and phytochemical constituents of wood apple, depicts its antioxidant, anti-inflammatory, and anti-diabetic capabilities, and explores its potential in value-added product development. Nevertheless, it is crucial to acknowledge that the molecular mechanisms supporting these properties remain an underexplored domain. To ensure the safe integration of wood apple fruit into the realms of the food, cosmetics, and pharmaceutical sectors, rigorous clinical trials, including toxicity assessments, are required. These endeavors hold the potential to promote innovation and contribute significantly to both research and industrial sectors.
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Affiliation(s)
- Niharika Sharma
- School of Biological and Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | - Radha
- School of Biological and Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | - Manoj Kumar
- Chemical and Biochemical Processing Division, ICAR–Central Institute for Research on Cotton Technology, Mumbai, 400019, India
| | - Neeraj Kumari
- School of Biological and Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | - Nadeem Rais
- Department of Pharmacy, Bhagwant University, Ajmer, 305004, India
| | - Ashok Pundir
- School of Mechanical and Civil Engineering, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, India
| | - T. Anitha
- Department of Postharvest Technology, Horticultural College and Research Institute, Periyakulam, 625604, India
| | - V. Balamurugan
- Department of Agricultural Economics, Agricultural College and Research Institute, Madurai, India
| | - Marisennayya Senapathy
- Department of Rural Development and Agricultural Extension, College of Agriculture, Wolaita Sodo University, Wolaita Sodo, Ethiopia
| | - Sangram Dhumal
- Division of Horticulture, RCSM College of Agriculture, Kolhapur, 416004, India
| | - Suman Natta
- ICAR—National Research Centre for Orchids, Pakyong, 737106, India
| | - Vishal P. Deshmukh
- Bharati Vidyapeeth (Deemed to be University), Yashwantrao Mohite Institute of Management, Karad, India
| | - Sunil Kumar
- Indian Institute of Farming Systems Research, Modipuram, 250110, India
| | - Ravi Pandiselvam
- Division of Physiology, Biochemistry and Post-Harvest Technology, ICAR – Central Plantation Crops Research Institute (CPCRI), Kasaragod, 671 124, Kerala, India
| | - Jose M. Lorenzo
- Centro Tecnológico de la Carne de Galicia, rúa Galicia n◦ 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, 32900, Ourense, Spain
| | - Mohamed Mekhemar
- Clinic for Conservative Dentistry and Periodontology, School of Dental Medicine, Christian-Albrecht's University, 24105, Kiel, Germany
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Mafla C, Kolenovic B, Centeno D, Darwish J, Cabinian K, Richards K, Cattabiani T, Nunez J, Drwiega TJ, Li W, Iwanicki M, Sciorra L, Li C, Traba C. Application of Argon Plasma Technology for the Synthesis of Anti-Infective Copper Nanoparticles. ACS APPLIED BIO MATERIALS 2024; 7:1588-1599. [PMID: 38437727 DOI: 10.1021/acsabm.3c01097] [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: 03/06/2024]
Abstract
The synthesis of copper nanoparticles (CuNPs) was accomplished by using a rapid, green, and versatile argon plasma reduction method that involves solvent extraction. With this method, a plasma-solid state interaction forms and CuNPs can be synthesized from copper(II) sulfate using a low-pressure, low-temperature argon plasma. Characterization studies of the CuNPs revealed that when a metal precursor is treated under optimal experimental conditions of 80 W of argon plasma for 300 s, brown CuNPs are synthesized. However, when those same brown CuNPs are placed in Milli-Q water for a period of 10 days, oxidation occurs and green CuNPs are formed. Confirmation of the chemical identity of the CuNPs was performed by using X-ray photoelectron spectroscopy. The results reveal that the brown CuNPs are predominantly Cu0 or what we refer to as CuNPs, while the green CuNPs are a mixture of Cu0 and Cu(OH)2 NPs. Upon further characterization of both brown and green CuNPs with scanning electron microscopy (SEM), the results depict brown CuNPs with a rod-like shape and approximate dimensions of 40 nm × 160 nm, while the green CuNPs were smaller in size, with dimensions of 40-80 nm, and more of a round shape. When testing the antibacterial activity of both brown and green CuNPs, our findings demonstrate the effectiveness of both CuNPs against Escherichia coli and Staphylococcus aureus bacteria at a concentration of 17 μg/mL. The inactivation of S. aureus and E. coli 7-day-old biofilms required CuNP concentrations of 99 μg/mL. SEM images of treated 7-day-old S. aureus and E. coli biofilms depict cell membranes that are completely damaged, suggesting a physical killing mechanism. In addition, when the same concentration of CuNPs used to inactivate biofilms were tested with human fibroblasts, both brown and green CuNPs were found to be biocompatible.
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Affiliation(s)
- Camila Mafla
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, New Jersey 07666, United States
| | - Belmin Kolenovic
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, New Jersey 07666, United States
| | - Daniel Centeno
- Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey 07030, United States
| | - Janeen Darwish
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, New Jersey 07666, United States
| | - Katrina Cabinian
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, New Jersey 07666, United States
| | - Kyle Richards
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, New Jersey 07666, United States
| | - Thomas Cattabiani
- Fourth State of Matter Technologies Corporation, Bayonne, New Jersey 07002, United States
| | - Jonathan Nunez
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, New Jersey 07666, United States
| | - Thomas J Drwiega
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, New Jersey 07666, United States
| | - Wanlu Li
- Department of Chemistry and Biochemistry, Montclair State University, Montclair, New Jersey 07043, United States
| | - Marcin Iwanicki
- Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey 07030, United States
| | - Leonard Sciorra
- Department of Applied Science and Technology, Saint Peter's University, Jersey City, New Jersey 07306, United States
| | - Clive Li
- Department of STEM, Hudson County Community College, Jersey City, New Jersey 07306, United States
| | - Christian Traba
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, New Jersey 07666, United States
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3
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Khan S, Falahati M, Cho WC, Vahdani Y, Siddique R, Sharifi M, Jaragh-Alhadad LA, Haghighat S, Zhang X, Ten Hagen TLM, Bai Q. Core-shell inorganic NP@MOF nanostructures for targeted drug delivery and multimodal imaging-guided combination tumor treatment. Adv Colloid Interface Sci 2023; 321:103007. [PMID: 37812992 DOI: 10.1016/j.cis.2023.103007] [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: 10/14/2022] [Revised: 08/16/2023] [Accepted: 09/23/2023] [Indexed: 10/11/2023]
Abstract
It is well known that metal-organic framework (MOF) nanostructures have unique characteristics such as high porosity, large surface areas and adjustable functionalities, so they are ideal candidates for developing drug delivery systems (DDSs) as well as theranostic platforms in cancer treatment. Despite the large number of MOF nanostructures that have been discovered, conventional MOF-derived nanosystems only have a single biofunctional MOF source with poor colloidal stability. Accordingly, developing core-shell MOF nanostructures with good colloidal stability is a useful method for generating efficient drug delivery, multimodal imaging and synergistic therapeutic systems. The preparation of core-shell MOF nanostructures has been done with a variety of materials, but inorganic nanoparticles (NPs) are highly effective for drug delivery and imaging-guided tumor treatment. Herein, we aimed to overview the synthesis of core-shell inorganic NP@MOF nanostructures followed by the application of core-shell MOFs derived from magnetic, quantum dots (QDs), gold (Au), and gadolinium (Gd) NPs in drug delivery and imaging-guided tumor treatment. Afterward, we surveyed different factors affecting prolonged drug delivery and cancer therapy, cellular uptake, biocompatibility, biodegradability, and enhanced permeation and retention (EPR) effect of core-shell MOFs. Last but not least, we discussed the challenges and the prospects of the field. We envision this article may hold great promise in providing valuable insights regarding the application of hybrid nanostructures as promising and potential candidates for multimodal imaging-guided combination cancer therapy.
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Affiliation(s)
- Suliman Khan
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Mojtaba Falahati
- Precision Medicine in Oncology (PrMiO), Department of Pathology, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, the Netherlands; Nanomedicine Innovation Center Erasmus (NICE), Erasmus MC, Rotterdam, the Netherlands.
| | - William C Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong SAR, China
| | - Yasaman Vahdani
- Department of Biochemistry and Molecular Medicine, University of Montreal, Canada
| | - Rabeea Siddique
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Majid Sharifi
- Student Research Committee, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran; Department of Tissue Engineering, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
| | | | - Setareh Haghighat
- Department of Microbiology, Faculty of Advanced Sciences and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Xiaoju Zhang
- Department of Respiratory and Critical Care Medicine, Henan Provincial People's Hospital, Zhengzhou, China
| | - Timo L M Ten Hagen
- Precision Medicine in Oncology (PrMiO), Department of Pathology, Erasmus MC Cancer Institute, Erasmus MC, Rotterdam, the Netherlands; Nanomedicine Innovation Center Erasmus (NICE), Erasmus MC, Rotterdam, the Netherlands.
| | - Qian Bai
- Medical Research Center, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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Ali M, Lin IN. Developing tiny-sized particles, different modification behaviors of gold atoms, and nucleating distorted particles. NANOSCALE ADVANCES 2023; 5:3871-3878. [PMID: 37496626 PMCID: PMC10367953 DOI: 10.1039/d3na00346a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Accepted: 06/30/2023] [Indexed: 07/28/2023]
Abstract
The study of tiny-sized particles is beneficial in many ways. This has been the subject of many studies. The development of a tiny-sized particle depends on the attained dynamics of the atoms. In the development process of a tiny-sized particle, gold atoms must deal with different modification behaviors. Photons traveling along the air-solution interface also alter the characteristics of a developing tiny-sized particle. The electronic structures, modification behaviors, and attained dynamics of the atoms mainly contribute toward the development of tiny-sized particles. Energy under the supplied source and the local resulting forces collectively bind gold atoms. Both internally and externally driven dynamics influence the development process of different tiny-sized particles. Atoms in such developed tiny-sized particles do not experience the collective oscillations upon photons traveling along the air-solution interface. In the study of binding atoms, it is essential to consider the roles of both energy and force. Here, the development of tiny particles having different sizes presents a convincing discussion. Nucleating a distorted particle from the non-uniform amalgamation of tiny-sized particles is also discussed.
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Affiliation(s)
- Mubarak Ali
- Department of Physics, COMSATS University Islamabad Islamabad Campus, Park Road 45550 Pakistan
| | - I-Nan Lin
- Department of Physics, Tamkang University Tamsui District New Taipei City 25137 Taiwan
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Van Hao N, Tung DH, Hung NP, Hoa VX, Ha NT, Khanh Van NT, Tan PT, Van Trinh P. Green, facile and fast synthesis of silver nanoparticles by using solution plasma techniques and their antibacterial and anticancer activities. RSC Adv 2023; 13:21838-21849. [PMID: 37475759 PMCID: PMC10354697 DOI: 10.1039/d3ra03454b] [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: 05/23/2023] [Accepted: 07/13/2023] [Indexed: 07/22/2023] Open
Abstract
We herein present a simple, fast, efficient and environmentally friendly method for preparing silver nanoparticles (AgNPs) using the solution plasma method in the presence of extracts from Paramignya trimera (P. trimera). The effects of P. trimera extract concentrations and the applied voltage on the formation of AgNPs were investigated. Surface plasmon resonance spectra show a strong peak at 413 nm for the prepared samples. The Fourier-transform infrared spectroscopy measurement results indicated the presence of possible functional groups in the prepared AgNPs. Morphological analysis revealed that the AgNPs were spherical with an average size of 8 nm. The prepared AgNPs exhibited good stability in solution compared to that of AgNPs prepared by the solution plasma technique without P. trimera extract. The formation mechanism of AgNPs is also proposed. The prepared AgNPs exhibited high antibacterial ability against Gram (+) Staphylococcus aureus, Gram (-) Pseudomonas aeruginosa bacteria and strong anticancer activity for the AGS gastric cancer cell line. The obtained results demonstrated that this is a simple, rapid, environmentally friendly method for preparing AgNPs instead of conventional methods using chemical reducing agents for potential applications.
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Affiliation(s)
- Nguyen Van Hao
- Institute of Sciences and Technology, TNU - University of Sciences Tan Thinh Ward Thai Nguyen City Vietnam
| | - Do Hoang Tung
- Institute of Physics, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Str., Cau Giay Distr. Hanoi Vietnam
| | - Nguyen Phu Hung
- Faculty of Biotechnology, TNU - University of Sciences Tan Thinh Ward Thai Nguyen City Vietnam
| | - Vu Xuan Hoa
- Institute of Sciences and Technology, TNU - University of Sciences Tan Thinh Ward Thai Nguyen City Vietnam
| | - Ngo Thu Ha
- Faculty of Biotechnology, TNU - University of Sciences Tan Thinh Ward Thai Nguyen City Vietnam
| | - Nguyen Thi Khanh Van
- Institute of Sciences and Technology, TNU - University of Sciences Tan Thinh Ward Thai Nguyen City Vietnam
| | - Pham The Tan
- Hung Yen University of Technology and Education Khoai Chau Distr. Hung Yen Province Vietnam
| | - Pham Van Trinh
- Institute of Materials Science, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Str., Cau Giay Distr. Hanoi Vietnam +84 94 319 0301
- Graduated University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Str., Cau Giay Distr. Hanoi Vietnam
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Quinson J, Kunz S, Arenz M. Surfactant-Free Colloidal Syntheses of Precious Metal Nanoparticles for Improved Catalysts. ACS Catal 2023. [DOI: 10.1021/acscatal.2c05998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Artmann E, Forschner L, Schüttler KM, Al-Shakran M, Jacob T, Engstfeld AK. Nanoporous Au Formation on Au Substrates via High Voltage Electrolysis. Chemphyschem 2023; 24:e202200645. [PMID: 36328970 DOI: 10.1002/cphc.202200645] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/27/2022] [Indexed: 11/06/2022]
Abstract
Nanoporous Au (NPG) films have promising properties, making them suitable for various applications in (electro)catalysis or (bio)sensing. Tuning the structural properties, such as the pore size or the surface-to-volume ratio, often requires complex starting materials such as alloys, multiple synthesis steps, lengthy preparation procedures or a combination of these factors. Here we present an approach that circumvents these difficulties, enabling for a rapid and controlled preparation of NPG films starting from a bare Au electrode. In a first approach a Au oxide film is prepared by high voltage (HV) electrolysis in a KOH solution, which is then reduced either electrochemically or in the presence of H2 O2 . The resulting NPG structures and their electrochemically active surface areas strongly depend on the reduction procedure, the concentration and temperature of the H2 O2 -containing KOH solution, as well as the applied voltage and temperature during HV electrolysis. Secondly, the NPG film can be prepared directly by applying voltages that result in anodic contact glow discharge electrolysis (aCGDE). By carefully adjusting the corresponding parameters, the surface area of the final NPG film can be specifically controlled. The structural properties of the electrodes are investigated by means of XPS, SEM and electrochemical methods.
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Affiliation(s)
- Evelyn Artmann
- Institute of Electrochemistry, Ulm University, D-89081, Ulm, Germany
| | - Lukas Forschner
- Institute of Electrochemistry, Ulm University, D-89081, Ulm, Germany
| | | | | | - Timo Jacob
- Institute of Electrochemistry, Ulm University, D-89081, Ulm, Germany
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Saucedo-Espinosa MA, Breitfeld M, Dittrich PS. Continuous Electroformation of Gold Nanoparticles in Nanoliter Droplet Reactors. Angew Chem Int Ed Engl 2023; 62:e202212459. [PMID: 36350110 PMCID: PMC10107445 DOI: 10.1002/anie.202212459] [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: 08/23/2022] [Revised: 10/24/2022] [Accepted: 11/02/2022] [Indexed: 11/10/2022]
Abstract
Gold nanoparticles (AuNPs) are employed in numerous applications, including optics, biosensing and catalysis. Here, we demonstrate the stabilizer-free electrochemical synthesis of AuNPs inside nanoliter-sized reactors. Droplets encapsulating a gold precursor are formed on a microfluidic device and exposed to an electrical current by guiding them through a pair of electrodes. We exploit the naturally occurring recirculation flows inside confined droplets (moving in rectangular microchannels) to prevent the aggregation of nanoparticles after nucleation. Therefore, AuNPs with sizes in the range of 30 to 100 nm were produced without the need of additional capping agents. The average particle size is defined by the precursor concentration and droplet velocity, while the charge dose given by the electric field strength has a minor effect. This method opens the way to fine-tune the electrochemical production of gold nanoparticles, and we believe it is a versatile method for the formation of other metal nanoparticles.
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Affiliation(s)
| | - Maximilian Breitfeld
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, 4058, Basel, Switzerland
| | - Petra Stephanie Dittrich
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 26, 4058, Basel, Switzerland
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Yasin HM, Ahmed W, Rehman NU, Majd A, Alkhedher M, Tag El Din EM. Plasma-Assisted Synthesis of Surfactant-Free and D-Fructose-Coated Gold Nanoparticles for Multiple Applications. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7579. [PMID: 36363167 PMCID: PMC9659035 DOI: 10.3390/ma15217579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 10/14/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
The excellent optical properties of gold nanoparticles (AuNPs) make them promising for numerous applications. Herein, we present a facile synthesis of both surfactant-free (SF-AuNPs) and non-toxic D-fructose (DF)-coated gold nanoparticles (DF-AuNPs) via the plasma-liquid interactions (PLIs) method. Moreover, we demonstrate that both SF-AuNPs and DF-AuNPs are potential candidates for trace detection via surface-enhanced Raman scattering (SERS) and catalytic degradation of toxic dyes. However, SF-AuNPs have superior SERS and catalytic performance compared to the DF-AuNPs due to their surfactant-free nature. Moreover, SF-AuNPs have also been shown to quench the fluorescence of analyte molecules, making their SERS-based trace detection more efficient. In particular, SERS enhancement of rhodamine 6G (R6G) and catalytic reduction of a toxic dye methylene blue (MB) have been explored.
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Affiliation(s)
- Hafiz M. Yasin
- Plasma Physics Laboratory, Department of Physics, COMSATS University, Islamabad 45550, Pakistan
| | - W. Ahmed
- Materials Laboratory, Department of Physics, COMSATS University, Islamabad 45550, Pakistan
| | - N. U. Rehman
- Plasma Physics Laboratory, Department of Physics, COMSATS University, Islamabad 45550, Pakistan
| | - Abdul Majd
- Department of Physics, University of Gujrat, Gujrat 50700, Pakistan
| | - Mohammad Alkhedher
- Mechanical and Industrial Engineering Department, Abu Dhabi University, Abu Dhabi 111188, United Arab Emirates
| | - ElSayed M. Tag El Din
- Electrical Engineering Department, Faculty of Engineering & Technology, Future University in Egypt, New Cairo 11835, Egypt
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Darwish M, Mafla-Gonzalez C, Kolenovic B, Deremer A, Centeno D, Liu T, Kim DY, Cattabiani T, Drwiega TJ, Kumar I, Li C, Traba C. Rapid Synthesis of Metal Nanoparticles Using Low-Temperature, Low-Pressure Argon Plasma Chemistry and Self-Assembly. GREEN CHEMISTRY : AN INTERNATIONAL JOURNAL AND GREEN CHEMISTRY RESOURCE : GC 2022; 24:8142-8154. [PMID: 37153712 PMCID: PMC10162583 DOI: 10.1039/d2gc02592b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
The synthesis of metal nanoparticles has become a priority for the advancement of nanotechnology. In attempts to create these nanoparticles, several different methods: chemistry, physics, and biology, have all been used. In this study, we report the reduction of cations using argon plasma chemistry to produce nanoparticles of gold (AuNPs), silver (AgNPs), and copper (CuNPs). Although other groups have used plasma-reduction methods to synthesize metal nanoparticles from their cation counterparts, these approaches often require plasma|liquid state interactions, high temperature, specific combinations of gases, and extended treatment times (>10 minutes), for which only specific cations (noble or non-noble) may be reduced. As a result, we have developed a non-thermal, low-pressure argon-plasma|solid state approach for the reduction of both noble and non-noble cations. More specifically, when 50-μL droplets of 2-mM solutions of gold(III) chloride, silver nitrate, or copper(II) sulfate are exposed to vacuum, they undergo an evaporation process. As the pressure in the chamber decreases to 220 mtorr, the droplets become completely evaporated, leaving behind a metal precursor. Nucleation and growth studies reveal that when the metal precursors of gold(III) chloride, silver nitrate, and copper(II) sulfate are treated with 80 watts of argon plasma for 5, 60, and 150 seconds, respectively, nanoparticles could be synthesized with efficiency rates of upwards of 98%. The size of nanoparticles synthesized in this work was studied using Scanning Electron Microscopy, and the scattering properties of the nanoparticles was studied using UV/Vis spectroscopy. Transmission Electron Microscopy with corresponding elemental analysis was also very useful in confirming the identity of the synthesized nanoparticles. The results from this study reveal that we have synthesized metal nanoparticles with distinct chemical and physical properties. Scanning Electron Microscopy depicts AgNPs with a round-shape and diameters from 40 - 80 nm, while AuNPs were hexagonal, with sizes from 40 - 80 nm, and CuNPs were rod-shaped, with dimensions 40 by 160 nm. Our findings demonstrate that the argon plasma approach used in this study is a rapid, green, and versatile reduction method for the synthesis of both noble and non-noble metal nanoparticles.
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Affiliation(s)
- Marjan Darwish
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, NJ 07666, USA
| | - Camila Mafla-Gonzalez
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, NJ 07666, USA
| | - Belmin Kolenovic
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, NJ 07666, USA
| | - Adrianna Deremer
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, NJ 07666, USA
| | - Daniel Centeno
- Fourth State of Matter Technologies Corporation, Bayonne, NJ 07306, USA
| | - Tianchi Liu
- Fourth State of Matter Technologies Corporation, Bayonne, NJ 07306, USA
| | - Deok-Yang Kim
- Bergen County Technical Schools, Hackensack, NJ 07601, USA
| | - Thomas Cattabiani
- Fourth State of Matter Technologies Corporation, Bayonne, NJ 07306, USA
| | - Thomas J. Drwiega
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, NJ 07666, USA
| | - Ish Kumar
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, NJ 07666, USA
| | - Clive Li
- Department of STEM, Hudson County Community College, Jersey City, NJ 07306, USA
| | - Christian Traba
- Department of Chemistry, Biochemistry and Physics, Fairleigh Dickinson University, Teaneck, NJ 07666, USA
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Hamdan A, Stafford L. A Versatile Route for Synthesis of Metal Nanoalloys by Discharges at the Interface of Two Immiscible Liquids. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3603. [PMID: 36296793 PMCID: PMC9611028 DOI: 10.3390/nano12203603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/11/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
Discharge in liquid is a promising technique to produce nanomaterials by electrode erosion. Although its feasibility was demonstrated in many conditions, the production of nanoalloys by in-liquid discharges remains a challenge. Here, we show that spark discharge in liquid cyclohexane that is in contact with conductive solution, made of a combination of Ni-nitrate and/or Fe-nitrate and/or Co-nitrate, is suitable to produce nanoalloys (<10 nm) of Ni-Fe, Ni-Co, Co-Fe, and Ni-Co-Fe. The nanoparticles are synthesized by the reduction of metal ions during discharge, and they are individually embedded in C-matrix; this latter originates from the decomposition of cyclohexane. The results open novel ways to produce a wide spectrum of nanoalloys; they are needed for many applications, such as in catalysis, plasmonic, and energy conversion.
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12
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AuNP/Chitosan Nanocomposites Synthesized through Plasma Induced Liquid Chemistry and Their Applications in Photothermal Induced Bacteria Eradication. Pharmaceutics 2022; 14:pharmaceutics14102147. [PMID: 36297582 PMCID: PMC9611015 DOI: 10.3390/pharmaceutics14102147] [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: 08/25/2022] [Revised: 09/25/2022] [Accepted: 10/08/2022] [Indexed: 11/17/2022] Open
Abstract
In this work, a facile direct current atmospheric pressure micro-plasma (APM) technology was deployed for the synthesis of functional gold nanoparticle/chitosan (AuNP/CS) nanocomposites for the first time. Different experimental parameters, such as metal salt precursor concentration and chitosan viscosity, have been investigated to understand their effects on the resulting nanocomposite structures and properties. The nanocomposites were fully characterized using a wide range of material characterization techniques such as UV–vis, transmission electron microscope (TEM), Fourier transform infrared (FTIR) spectra and X-ray photoelectron spectroscopy (XPS) analyses. Potential reaction pathways have been proposed for the nanocomposite synthesis process. Finally, potential of the synthesized nanocomposites towards photothermal conversion and bacteria eradiation applications has been demonstrated. The results show that APM is a facile, rapid and versatile technique for the synthesis of AuNP/CS functional nanocomposites. Through this work, a more in-depth understanding of the multi-phase system (consisting of gas, plasma, liquid and solid) has been established and such understanding could shine a light on the future design and fabrication of new functional nanocomposites deploying the APM technique.
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13
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Improvement of the Photocatalytic Activity of Au/TiO2 Nanocomposites by Prior Treatment of TiO2 with Microplasma in an NH3 and H2O2 Solution. J 2022. [DOI: 10.3390/j5020019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Plasmonic photocatalytic nanocomposites of TiO2 and Au nanoparticles (NPs) have recently attracted the attention of researchers, who aim to improve the photocatalytic activity of potential TiO2 NPs. In this study, we report photocatalytic activity enhancement for a Au/TiO2 nanocomposite prepared by the plasma–liquid interaction method using an atmospheric microplasma apparatus. The enhanced photocatalytic activity of the prepared Au/TiO2 is demonstrated by the degradation of methylene blue (MB) in water under both ultraviolet (UV) and visible light irradiation. The prior treatment of TiO2 with microplasma in a NH3 and H2O2 solution is found to strongly improve the photocatalytic activity of both the treated TiO2 NPs, as well as the synthesized Au/TiO2 nanocomposite.
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14
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Habib T, Caiut JMA, Caillier B. Synthesis of silver nanoparticles by atmospheric pressure plasma jet. NANOTECHNOLOGY 2022; 33:325603. [PMID: 35390771 DOI: 10.1088/1361-6528/ac6528] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 04/07/2022] [Indexed: 06/14/2023]
Abstract
Silver nanoparticles are one of the most extensively used metallic nanomaterials due to their unusual physical and chemical properties as well as their promising applications in a wide range of different fields. In this study, a non-thermal atmospheric pressure helium plasma jet was used to successfully synthesize silver nanoparticles with silver nitrate as a precursor and trisodium citrate as a capping agent. The browning of the solution after only 5 min of plasma irradiation is a result of the surface plasmon resonance (SPR) from the obtained silver nanoparticles. The SPR was confirmed by the presence of an absorption band in the visible range between 400 and 450 nm demonstrated in the UV-vis spectra. The effect of different chemical parameters such as the concentration of silver nitrate and the concentration of citrate on the silver nanoparticles have been studied. These nanoparticles were further characterized using transmission electron microscopy and dynamic light scattering. Therefore, the plasma jet was advantageous to fast produce silver nanoparticles in friendly conditions. In addition, the used experimental setup allows further studies in different solvents conditions and with different capping agents. So, this methodology could be useful for the preparation of silver nanoparticles required for numerous applications such as bioactivity, catalysis, surface enhanced Raman scattering, and photonic.
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Affiliation(s)
- Tatiana Habib
- Laboratoire Diagnostics des Plasmas Hors Equilibre (DPHE), Université de Toulouse, INU Champollion, Albi, France
- Department of Chemistry-FFCLRP, University of Sao Paulo, Ribeirao Preto, SP, Brazil
| | | | - Bruno Caillier
- Laboratoire Diagnostics des Plasmas Hors Equilibre (DPHE), Université de Toulouse, INU Champollion, Albi, France
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15
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Li X, Wang W, Dong W, Zhang X, Xu H, Lin L. Plasma-liquid synthesized carbon-supported platinum nanoparticles as active electrocatalysts. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2022.104234] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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16
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Liu H, Ikeda K, Nguyen MT, Sato S, Matsuda N, Tsukamoto H, Tokunaga T, Yonezawa T. Alginate-Stabilized Gold Nanoparticles Prepared Using the Microwave-Induced Plasma-in-Liquid Process with Long-Term Storage Stability for Potential Biomedical Applications. ACS OMEGA 2022; 7:6238-6247. [PMID: 35224386 PMCID: PMC8867473 DOI: 10.1021/acsomega.1c06769] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 02/01/2022] [Indexed: 06/14/2023]
Abstract
A one-step preparation of alginate-stabilized gold nanoparticles (Au NPs) using the microwave-induced plasma-in-liquid process (MWPLP) was reported. Effects of alginate with various concentrations on the preparation and properties of the synthesized Au NPs, including reaction rate, morphology, size, and optical absorption property, were studied. The introduction of alginate (1) accelerated the reaction rate, (2) prevented aggregation and precipitation due to long time discharge in MWPLP, and (3) provided long-term colloidal stability. An abnormal size change (from large to small) of Au NPs during particle growth, which was opposite to the typical change in bottom-up chemical reduction, was observed and a possible mechanism was proposed based on the dynamical and thermodynamical instability of particles during growth. The strategy of drying and redispersion of Au NPs in alginate solution was also studied. The drying and redispersion process had an imperceptible effect on the Au NPs. As a consequence, this strategy might be an effective technique for the long-term storage of Au NPs and other metal NPs. The alginate-stabilized Au NPs without the addition of toxic reducing or stabilizing agents can be appropriate to biomedical applications.
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Affiliation(s)
- Haoran Liu
- Division
of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
| | - Kai Ikeda
- Division
of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
| | - Mai Thanh Nguyen
- Division
of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
| | - Susumu Sato
- Department
of Information Systems, Faculty of Engineering, Saitama Institute of Technology, Shinzaiji, Fukaya, Saitama 369-0293, Japan
| | - Naoki Matsuda
- National
Institute of Advanced Industrial Science and Technology (AIST), Kyushu Brach, 807-1, Shuku-machi, Tosu, Saga 841-0052, Japan
| | - Hiroki Tsukamoto
- Division
of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
| | - Tomoharu Tokunaga
- Department
of Materials Science and Engineering, Faculty of Engineering, Nagoya University, Furo-cho, Chikusa, Nagoya 464-8603 Japan
| | - Tetsu Yonezawa
- Division
of Materials Science and Engineering, Faculty of Engineering, Hokkaido University, Kita 13 Nishi 8, Kita-ku, Sapporo, Hokkaido 060-8628, Japan
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17
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Li X, Lin L, Chiang WH, Chang K, Xu H. Microplasma synthesized gold nanoparticles for surface enhanced Raman spectroscopic detection of methylene blue. REACT CHEM ENG 2022. [DOI: 10.1039/d1re00446h] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Surface enhanced Raman scattering (SERS) is a powerful and sensitive spectroscopic technique that allows for rapid detection of trace-level chemical species in a non-invasive and non-destructive manner.
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Affiliation(s)
- Xuanhe Li
- School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Liangliang Lin
- School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, People's Republic of China
- Key Laboratory of Nanodevices of Jiangsu Province, Suzhou 215123, People's Republic of China
| | - Wei-Hung Chiang
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 10607, Taiwan
| | - Kuan Chang
- School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, People's Republic of China
| | - Hujun Xu
- School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, People's Republic of China
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18
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Lin L, Li X, Gao H, Xu H, Starostin SA, Ostrikov KK, Hessel V. Microfluidic Plasma-Based Continuous and Tunable Synthesis of Ag–Au Nanoparticles and Their SERS Properties. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c04048] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Liangliang Lin
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
- Key Laboratory of Nanodevices of Jiangsu Province, Suzhou 215123, China
| | - Xuanhe Li
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Haiyan Gao
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Hujun Xu
- The Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, China
| | - Sergey A. Starostin
- FUJIFILM Manufacturing Europe B.V., Tilburg Research Labs, P. O. Box 90156, 5047 TK Tilburg, Netherlands
| | - Kostya Ken Ostrikov
- School of Chemistry and Physics and QUT Centre for Materials Science, Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia
| | - Volker Hessel
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, North Terrace Campus, Adelaide 5005, Australia
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19
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Altaf N, Naz M, Shukrullah S, Bhatti H. Testing of photocatalytic potential of silver nanoparticles produced through nonthermal plasma reduction reaction and stabilized with saccharides. MAIN GROUP CHEMISTRY 2021. [DOI: 10.3233/mgc-210059] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
In this study, silver nanoparticles (AgNPs) were produced through an atmospheric pressure plasma reduction reaction and tested for photodegradation of methyl blue (MB) under sunlight exposure. The argon plasma born reactive species were used to reduce silver ions to AgNPs in the solution. Glucose, fructose and sucrose were also added in the solution to stabilize the growth process. The glucose stabilized reaction produced the smallest nanoparticles of 12 nm, while sucrose stabilized reaction produced relatively larger nanoparticles (14 nm). The nanoparticles exhibited rough morphology and narrow diameter distribution regardless of stabilizer type. The narrow diameter distribution and small band gap helped activating majority of nanoparticles at a single wavelength of light spectrum. The band gap energy of AgNPs varied from 2.22 eV to 2.41 eV, depending on the saccharide type. The photoluminescence spectroscopy of AgNPs produced emission peaks at 413 nm, 415 nm, and 418 nm. The photocatalytic potential of AgNP samples was checked by degrading MB dye under sunlight. The degradation reaction reached a saturation level of 98% after 60 min of light exposure.
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Affiliation(s)
- N.U.H. Altaf
- Department of Physics, University of Agriculture Faisalabad, Pakistan
| | - M.Y. Naz
- Department of Physics, University of Agriculture Faisalabad, Pakistan
| | - S. Shukrullah
- Department of Physics, University of Agriculture Faisalabad, Pakistan
| | - H.N. Bhatti
- Department of Chemistry, University of Agriculture Faisalabad, Pakistan
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20
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Xuan LTQ, Nguyen LN, Dao NT. Synthesis of stabilizer-free, homogeneous gold nanoparticles by cold atmospheric-pressure plasma jet and their optical sensing property. NANOTECHNOLOGY 2021; 33:105603. [PMID: 34814120 DOI: 10.1088/1361-6528/ac3c7f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 11/23/2021] [Indexed: 06/13/2023]
Abstract
Recently, cold atmospheric-pressure plasma has been studied extensively as an efficient and green method to synthesize gold nanoparticles (AuNPs). Although the characteristics of the AuNPs, especially their homogeneousness, depend very much on the plasma synthesis parameters, there is a lack of a study involving these parameters systematically. Moreover, most of AuNPs-cold-plasma synthesis reports so far either required organic capping agents or resulted in highly non-uniform AuNPs. In this work, we systematically study the effect of most important synthesis parameters- including distance from the plasma jet to the solution, gas flow rate, plasma frequency, volume and concentration of the precursor, plasma interaction time as well as the effect of the synthesis environment (humidity and temperature)-on the uniformity of the AuNPs. Through various characterization measurements, we show that homogeneous and highly stable intrinsic AuNPs with an average size of 45 nm can be obtained with optimized synthesis parameters and in the absence of a stabilizer. The synthesized AuNPs yield advanced optical sensing properties in comparison with commercial AuNPs and can be further applied in developing versatile and high-sensitivity biosensors.
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Affiliation(s)
- Le Thi Quynh Xuan
- Laboratory of Plasma Technology, Institute of Materials Sciences (IMS), Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam
- Graduate University of Science and Technology (GUST), VAST, Vietnam
| | - Linh Nhat Nguyen
- Laboratory of Plasma Technology, Institute of Materials Sciences (IMS), Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam
| | - Nguyen Thuan Dao
- Laboratory of Plasma Technology, Institute of Materials Sciences (IMS), Vietnam Academy of Science and Technology (VAST), Hanoi, Vietnam
- Graduate University of Science and Technology (GUST), VAST, Vietnam
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21
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Cyganowski P, Terefinko D, Jamroz P, Pohl P, Dzimitrowicz A. Non-thermal atmospheric pressure plasma as a powerful tool for the synthesis of rhenium-based nanostructures for the catalytic hydrogenation of 4-nitrophenol. RSC Adv 2021; 11:38596-38604. [PMID: 35493235 PMCID: PMC9044135 DOI: 10.1039/d1ra07416d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 11/25/2021] [Indexed: 12/24/2022] Open
Abstract
Here we have presented a new method for the synthesis of Re nanostructures with defined optical, structural, and catalytic properties. The Re-based nanoparticles (NPs) were obtained using a reaction-discharge system that is unique in its class, because of its working in the high-throughput mode. Within this application, direct current atmospheric pressure glow discharge (dc-APGD) was used as a non-thermal atmospheric pressure plasma (NTAP) source, which led to the reduction of Re(vii) ions and the formation of Re nanostructures through the plasma-liquid interactions. The Re-based NPs were synthesized in a flow-mode reaction-discharge system, where their precursor solution was a flowing liquid anode (FLA) or a flowing liquid cathode (FLC). The resultant NPs were analyzed using UV/Vis absorption spectrophotometry and transmission electron microscopy (TEM), which were supported by selected area X-ray diffraction (SAED) and the energy dispersive X-ray spectroscopy (EDX). Additionally, the mechanism for the reduction of Re(vii) ions was explained by the differences in the concentrations of the selected reactive nitrogen species (RNS) and reactive oxygen species (ROS) produced by dc-APGD. It was found that the application of dc-APGD, operating in a FLA configuration (FLA-dc-APGD), resulted in the formation of ReNPs with Re0, while the use of dc-APGD operating in a FLC configuration (FLC-dc-APGD) led to the formation of Re oxide NPs. In the latter case, a much greater oxidizing environment was likely provided, therefore the RNS and ROS contributed to the formation of Re oxide nanostructures. The ReNPs with Re0 were characterized by a size of 6.02 ± 3.01 nm, and the Re oxide NPs were characterized by a size of 4.97 ± 3.82 nm. Both types of nanostructures were then employed in the catalytic hydrogenation of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP). Based on the results, both of the nanocatalysts effectively reduced 4-NP with an apparent rate constant (k app) of 2.6 × 10-3 s-1. At the same time, the catalytic activity was linked with the average size distribution of the Re nanostructures, as opposed to their morphology.
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Affiliation(s)
- Piotr Cyganowski
- Department of Process Engineering and Technology of Polymer and Carbon Materials, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeze Stanislawa Wyspianskiego 27 50-370 Wroclaw Poland
| | - Dominik Terefinko
- Department of Analytical Chemistry and Chemical Metallurgy, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeze Stanislawa Wyspianskiego 27 50-370 Wroclaw Poland
| | - Piotr Jamroz
- Department of Analytical Chemistry and Chemical Metallurgy, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeze Stanislawa Wyspianskiego 27 50-370 Wroclaw Poland
| | - Pawel Pohl
- Department of Analytical Chemistry and Chemical Metallurgy, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeze Stanislawa Wyspianskiego 27 50-370 Wroclaw Poland
| | - Anna Dzimitrowicz
- Department of Analytical Chemistry and Chemical Metallurgy, Faculty of Chemistry, Wroclaw University of Science and Technology Wybrzeze Stanislawa Wyspianskiego 27 50-370 Wroclaw Poland
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22
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Shepida M, Kuntyi O, Sukhatskiy Y, Mazur A, Sozanskyi M. Microplasma Synthesis of Antibacterial Active Silver Nanoparticles in Sodium Polyacrylate Solutions. Bioinorg Chem Appl 2021; 2021:4465363. [PMID: 34712314 PMCID: PMC8548128 DOI: 10.1155/2021/4465363] [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: 08/12/2021] [Accepted: 10/04/2021] [Indexed: 11/17/2022] Open
Abstract
The great demand for functional, particularly biologically active, metal nanoparticles has led to the search for technologically effective, green, and controlled methods of synthesizing these metal nanoparticles. Plasma glow discharge is one of the most promising techniques in this direction. The results of studies based on the synthesis of colloidal solutions of stabilized silver nanoparticles (AgNPs) by the microplasma method in solutions of a nontoxic surfactant sodium polyacrylate (NaPA) are presented. It is shown that AgNPs with a size of 2-20 nm are formed in solutions of 0.05-0.2 mmol·L-1 AgNO3 + 5 g·L-1 NaPA at U = 250 V by tungsten cathode plasma glow discharge. At 20°C, the yellow solutions are formed with λ max ≈ 410 nm, which are stable during long-term storage. It was found that the process of AgNPs formation corresponds to a first-order reaction on the AgNO3 concentration. Its value has little effect on the geometry of nanoparticles, so the Ag(I) concentration in solution is one of the main factors influencing the rate of microplasma synthesis of AgNPs. The antimicrobial activity of synthesized AgNPs solutions against strains of Escherichia coli, Staphylococcus aureus, and Candida albicans was established.
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Affiliation(s)
| | - Orest Kuntyi
- Lviv Polytechnic National University, Lviv 79013, Ukraine
| | | | - Artur Mazur
- Lviv Polytechnic National University, Lviv 79013, Ukraine
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23
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Koushki E. Effect of conjugation with organic molecules on the surface plasmon resonance of gold nanoparticles and application in optical biosensing. RSC Adv 2021; 11:23390-23399. [PMID: 35479782 PMCID: PMC9036560 DOI: 10.1039/d1ra01842f] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 06/27/2021] [Indexed: 12/14/2022] Open
Abstract
The problem of functionalizing and coating nanoparticles with surfactants dispersed in a colloid is a prevalent case in nanoscience and related studies. It is known that surfactants could easily cause a shift in the absorption peak in metallic nanoparticles (NPs). Here, a precise theoretical model is presented to simulate the ultraviolet-visible (UV-vis) absorption spectrum of a colloid containing gold nanoparticles (Au NPs) in the presence of different surfactants. Based on the Lorentz-Drude model, this model is able to justify the fact that surfactants with a higher refractive index lead to movement of the absorption peak toward longer wavelengths (red shift). Also, relative concentrations of agents in a solvent can be analyzed using this model. The presented descriptive model illustrates gold-based biosensors with a physical point of view that leads to an increase in their efficiency. Several experimental cases are considered and are examined to calculate and compare the refractive index of the surfactants. In accordance with the results, it is found that this model is compatible with a wide range of molecular sizes, and here, the model is applied for a typical size range of micromolecules such as citrate ions to macromolecules such as polyethylene glycol (PEG) as a polyether. The suggested method revealed that it is appropriate for different surfactants with various chemical structures and refractive indexes. Utilization of approximations in this theoretical model is limited, thus, a method with the least deviation from real measurements has been introduced. The applicability of this model can be extended to practical purposes, including optical bio-sensors and detectors of organic and biological moieties such as viruses and antibodies.
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Affiliation(s)
- Ehsan Koushki
- Department of Physics, Hakim Sabzevari University Sabzevar 96179-76487 Iran
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24
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Nguyen LN, Lamichhane P, Choi EH, Lee GJ. Structural and Optical Sensing Properties of Nonthermal Atmospheric Plasma-Synthesized Polyethylene Glycol-Functionalized Gold Nanoparticles. NANOMATERIALS 2021; 11:nano11071678. [PMID: 34202388 PMCID: PMC8306114 DOI: 10.3390/nano11071678] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 06/09/2021] [Accepted: 06/22/2021] [Indexed: 12/27/2022]
Abstract
Polyethylene glycol-functionalized gold nanoparticles (Au@PEG NPs) were prepared by a simple plasma-assisted method without additional reducing chemicals. After irradiating tetrachloroauric acid (HAuCl4) and polyethylene glycol (PEG) in aqueous medium with an argon plasma jet, the gold precursor transformed into an Au@PEG NP colloid that exhibited surface plasma resonance at 530 nm. When the plasma jet entered the water, additional reactive species were induced through interactions between plasma-generated reactive species and aqueous media. Interaction of the gold precursor with the plasma-activated medium allowed the synthesis of gold nanoparticles (AuNPs) without reductants. The plasma-synthesized Au@PEG NPs had a quasi-spherical shape with an average particle diameter of 32.5 nm. The addition of PEG not only helped to stabilize the AuNPs but also increased the number of AuNPs. Au@PEG NP-loaded paper (AuNP-paper) was able to detect the degradation of rhodamine B, therefore, indicating that AuNP-paper can act as a surface-enhanced Raman scattering platform. Dye degradation by plasma treatment was investigated by optical absorption and Raman spectroscopy. The method proposed for the fabrication of Au@PEG NPs is rapid, low-cost, and environment-friendly and will facilitate the application of plasma-synthesized nanomaterials in sensors.
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Affiliation(s)
- Linh Nhat Nguyen
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea; (L.N.N.); (P.L.); (E.H.C.)
- Plasma Bioscience Research Center, Kwangwoon University, Seoul 01897, Korea
- Laboratory of Plasma Technology, Institute of Materials Science, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet, Hanoi 100000, Vietnam
| | - Pradeep Lamichhane
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea; (L.N.N.); (P.L.); (E.H.C.)
- Plasma Bioscience Research Center, Kwangwoon University, Seoul 01897, Korea
| | - Eun Ha Choi
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea; (L.N.N.); (P.L.); (E.H.C.)
- Plasma Bioscience Research Center, Kwangwoon University, Seoul 01897, Korea
| | - Geon Joon Lee
- Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea; (L.N.N.); (P.L.); (E.H.C.)
- Plasma Bioscience Research Center, Kwangwoon University, Seoul 01897, Korea
- Correspondence: ; Tel.: +82-2-940-8619
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Lin L, Li X, Zhou J, Zou J, Lai J, Chen Z, Shen J, Xu H. Plasma-aided green and controllable synthesis of silver nanoparticles and their compounding with gemini surfactant. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.04.061] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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26
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El‐Kalliny AS, Abd‐Elmaksoud S, El‐Liethy MA, Abu Hashish HM, Abdel‐Wahed MS, Hefny MM, Hamza IA. Efficacy of Cold Atmospheric Plasma Treatment on Chemical and Microbial Pollutants in Water. ChemistrySelect 2021. [DOI: 10.1002/slct.202004716] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Amer S. El‐Kalliny
- Water Pollution Research Department National Research Centre 33 El Buhouth St. Dokki 12622 Giza Egypt
| | - Sherif Abd‐Elmaksoud
- Water Pollution Research Department National Research Centre 33 El Buhouth St. Dokki 12622 Giza Egypt
| | - Mohamed A. El‐Liethy
- Water Pollution Research Department National Research Centre 33 El Buhouth St. Dokki 12622 Giza Egypt
| | - Hassan M. Abu Hashish
- Mechanical Engineering Department Engineering Research Division National Research Centre 33 El Buhouth St. Dokki 12622 Giza Egypt
| | - Mahmoud S. Abdel‐Wahed
- Water Pollution Research Department National Research Centre 33 El Buhouth St. Dokki 12622 Giza Egypt
| | - Mohamed M. Hefny
- Engineering Mathematics and Physics Department Faculty of Engineering and Technology Future University in Egypt Cairo Egypt
| | - Ibrahim A. Hamza
- Water Pollution Research Department National Research Centre 33 El Buhouth St. Dokki 12622 Giza Egypt
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27
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Dzimitrowicz A, Cyganowski P, Pohl P, Milkowska W, Jermakowicz-Bartkowiak D, Jamroz P. Plant Extracts Activated by Cold Atmospheric Pressure Plasmas as Suitable Tools for Synthesis of Gold Nanostructures with Catalytic Uses. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E1088. [PMID: 32492774 PMCID: PMC7353295 DOI: 10.3390/nano10061088] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Revised: 05/11/2020] [Accepted: 05/14/2020] [Indexed: 11/16/2022]
Abstract
Because cold atmospheric pressure plasma (CAPP)-based technologies are very useful tools in nanomaterials synthesis, in this work we have connected two unique in their classes approaches-a CAPP-based protocol and a green synthesis method in order to obtain stable-in-time gold nanoparticles (AuNPs). To do so, we have used an aqueous Gingko biloba leave extract and an aqueous Panax ginseng root extract (untreated or treated by CAPP) to produce AuNPs, suitable for catalytical uses. Firstly, we have adjusted the optical properties of resulted AuNPs, applying UV/Vis absorption spectrophotometry (UV/Vis). To reveal the morphology of Au nanostructures, transmission electron microscopy (TEM) in addition to energy dispersive X-ray scattering (EDX) and selected area X-ray diffraction (SAED) was utilized. Moreover, optical emission spectrometry (OES) in addition to a colorimetric method was used to identify and determine the concentration of selected RONS occurring at the liquid-CAPP interface. Additionally, attenuated total reflectance Fourier transform-infrared spectroscopy (ATR FT-IR) was applied to reveal the active compounds, which might be responsible for the AuNPs surface functionalization and stabilization. Within the performed research it was found that the smallest in size AuNPs were synthesized using the aqueous P. ginseng root extract, which was activated by direct current atmospheric pressure glow discharge (dc-APGD), generated in contact with a flowing liquid cathode (FLC). On the contrary, taking into account the aqueous G. biloba leave extract, the smallest in size AuNPs were synthesized when the untreated by CAPP aqueous G. biloba leave extract was involved in the Au nanostructures synthesis. For catalytical studies we have chosen AuNPs produced using the aqueous P. ginseng root extract activated by FLC-dc-APGD as well as AuNPs synthesized using the aqueous G. biloba leave extract also activated by FLC-dc-APGD. Those NPs were successfully used as homogenous catalysts for the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP).
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Affiliation(s)
- Anna Dzimitrowicz
- Department of Analytical Chemistry and Chemical Metallurgy, Wroclaw University of Science and Technology, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland; (P.P.); (W.M.); (P.J.)
| | - Piotr Cyganowski
- Department of Process Engineering and Technology of Polymer and Carbon Materials, Wroclaw University of Science and Technology, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland; (P.C.); (D.J.-B.)
| | - Pawel Pohl
- Department of Analytical Chemistry and Chemical Metallurgy, Wroclaw University of Science and Technology, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland; (P.P.); (W.M.); (P.J.)
| | - Weronika Milkowska
- Department of Analytical Chemistry and Chemical Metallurgy, Wroclaw University of Science and Technology, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland; (P.P.); (W.M.); (P.J.)
| | - Dorota Jermakowicz-Bartkowiak
- Department of Process Engineering and Technology of Polymer and Carbon Materials, Wroclaw University of Science and Technology, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland; (P.C.); (D.J.-B.)
| | - Piotr Jamroz
- Department of Analytical Chemistry and Chemical Metallurgy, Wroclaw University of Science and Technology, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland; (P.P.); (W.M.); (P.J.)
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Plasma Enhanced Wet Chemical Surface Activation of TiO2 for the Synthesis of High Performance Photocatalytic Au/TiO2 Nanocomposites. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10103345] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
To enhance the effectiveness of TiO2 as a photocatalyst, it was believed that the drawbacks of the large bandgap and the rapid electron-hole recombination can be overcome by coupling TiO2 with plasmonic metal nanoparticles. The incorporation of the nanoparticles onto the TiO2 surface requires a suitable procedure to achieve the proper particle adhesion. In this work, we propose a simple, clean, and effective surface activation of TiO2 using plasma enhanced wet chemical surface treatment. Under only 5 min of plasma treatment in a 3% NH3/3% H2O2 solution, gold nanoparticles were found better adhered onto the TiO2 surface. Hence, the methylene blue degradation rate of the Au/TiO2 under sunlight treated was improved by a factor of 3.25 times in comparison to non-treated Au/TiO2 and by 13 times in comparison to the bare rutile TiO2.
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Weerasinghe J, Li W, Zhou R, Zhou R, Gissibl A, Sonar P, Speight R, Vasilev K, Ostrikov K(K. Bactericidal Silver Nanoparticles by Atmospheric Pressure Solution Plasma Processing. NANOMATERIALS 2020; 10:nano10050874. [PMID: 32369954 PMCID: PMC7279381 DOI: 10.3390/nano10050874] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Revised: 04/20/2020] [Accepted: 04/22/2020] [Indexed: 01/10/2023]
Abstract
Silver nanoparticles have applications in plasmonics, medicine, catalysis and electronics. We report a simple, cost-effective, facile and reproducible technique to synthesise silver nanoparticles via plasma-induced non-equilibrium liquid chemistry with the absence of a chemical reducing agent. Silver nanoparticles with tuneable sizes from 5.4 to 17.8 nm are synthesised and characterised using Transmission Electron Microscopy (TEM) and other analytic techniques. A mechanism for silver nanoparticle formation is also proposed. The antibacterial activity of the silver nanoparticles was investigated with gram-positive and gram-negative bacteria. The inhibition of both bacteria types was observed. This is a promising alternative method for the instant synthesis of silver nanoparticles, instead of the conventional chemical reduction route, for numerous applications.
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Affiliation(s)
- Janith Weerasinghe
- School of Chemistry and Physics, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (P.S.); (K.O.)
- Centre for Materials Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia
- Correspondence: ; Tel.: +61-481979488
| | - Wenshao Li
- School of Biology and Environmental Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (W.L.); (A.G.); (R.S.)
| | - Rusen Zhou
- School of Mechanical, Medical and Process Engineering, Queensland University of Technology, Brisbane 4000, Queensland, Australia;
| | - Renwu Zhou
- School of Chemical and Biomolecular Engineering, The University of Sydney, Sydney 2006, New South Wales, Australia;
| | - Alexander Gissibl
- School of Biology and Environmental Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (W.L.); (A.G.); (R.S.)
| | - Prashant Sonar
- School of Chemistry and Physics, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (P.S.); (K.O.)
- Centre for Materials Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia
| | - Robert Speight
- School of Biology and Environmental Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (W.L.); (A.G.); (R.S.)
| | - Krasimir Vasilev
- School of Engineering, University of South Australia, Adelaide 5001, South Australia, Australia;
| | - Kostya (Ken) Ostrikov
- School of Chemistry and Physics, Queensland University of Technology, Brisbane 4000, Queensland, Australia; (P.S.); (K.O.)
- Centre for Materials Science, Queensland University of Technology, Brisbane 4000, Queensland, Australia
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Kim TH, Lee HJ, Lee SW. Plasma-assisted electrochemical synthesis of monodisperse Au and Au@Ag core-shell nanoparticles. NANOTECHNOLOGY 2020; 31:165602. [PMID: 31891930 DOI: 10.1088/1361-6528/ab6683] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The synthesis of well defined nanoparticles with green chemistry has been an area of intense investigation, but still requires development. In this study, we propose a novel approach for controlling the particle size and distribution through diffusion-controlled growth of plasma-assisted electrochemical synthesis. The continuous, controlled addition of an Au precursor with syringe pump successfully controls the particle size in the range of 50-300 nm with a monodisperse size distribution. Moreover, gold nanoparticles can be formed successfully without any stabilizer and reducing agent. Through optimization of the reaction parameters, including the reaction temperature, discharge current of the microplasma, pH, and concentration of D-(-)-fructose, we verify two distinct feature of diffusion-controlled growth that the particle growth is good agreement of theoretical growth rate (r ∼ t 1/3) and the formed gold nanoparticles exhibit polyhedral or near-spherical shapes. This method has been applied to synthesize Au@Ag core-shell nanoparticles and control the Ag shell thickness.
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Affiliation(s)
- Tae Hwan Kim
- Plasma Technology Research Center, National Fusion Research Institute, 37, Dongjangsan-ro, Gunsan-si, Jeollabuk-do, 54004, Republic of Korea. Department of Electrical and Computer Engineering, Pusan National University, 2, Busandaehak-ro 63 beon-gil, Geumjeong-gu, Busan, 64241, Republic of Korea
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31
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Cyganowski P, Dzimitrowicz A. A Mini-Review on Anion Exchange and Chelating Polymers for Applications in Hydrometallurgy, Environmental Protection, and Biomedicine. Polymers (Basel) 2020; 12:E784. [PMID: 32252240 PMCID: PMC7240740 DOI: 10.3390/polym12040784] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 03/25/2020] [Accepted: 03/28/2020] [Indexed: 12/03/2022] Open
Abstract
The rapidly increasing demand for technologies aiming to resolve challenges of separations and environmental protection causes a sharp increase in the demand for ion exchange (IX) and chelating polymers. These unique materials can offer target-selective adsorption properties vital for the removal or recovery of harmful and precious materials, where trace concentrations thereof make other techniques insufficient. Hence, recent achievements in syntheses of IX and chelating resins designed and developed in our research group are discussed within this mini-review. The aim of the present work is to reveal that, due to the diversified and unique physiochemical characteristics of the proposed materials, they are not limited to traditional separation techniques and could be used in multifunctional areas of applications, including catalysis, heat management, and biomedicine.
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Affiliation(s)
- Piotr Cyganowski
- Wroclaw University of Science and Technology, Department of Process Engineering and Technology of Polymer and Carbon Materials, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Anna Dzimitrowicz
- Wroclaw University of Science and Technology, Department of Analytical Chemistry and Chemical Metallurgy, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland;
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32
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Tasche D, Weber M, Mrotzek J, Gerhard C, Wieneke S, Möbius W, Höfft O, Viöl W. In Situ Investigation of the Formation Kinematics of Plasma-Generated Silver Nanoparticles. NANOMATERIALS 2020; 10:nano10030555. [PMID: 32204519 PMCID: PMC7153378 DOI: 10.3390/nano10030555] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 03/09/2020] [Accepted: 03/15/2020] [Indexed: 02/07/2023]
Abstract
In this publication, it is shown how to synthesize silver nanoparticles from silver cations out of aqueous solutions by the use of an atmospheric pressure plasma source. The use of an atmospheric pressure plasma leads to a very fast reduction of silver ions in extensive solvent volumes. In order to investigate the nanoparticle synthesis process, ultraviolet/visible (UV/VIS) absorption spectra were recorded in situ. By using transmission electron microscopy and by the analysis of UV/VIS spectra, the kinetics of silver nanoparticle formation by plasma influence can be seen in more detail. For example, there are two different sections visible in the synthesis during the plasma exposure process. The first section of the synthesis is characterized by a linear formation of small spherical particles of nearly constant size. The second section is predominated by saturation effects. Here, particle faults are increasingly formed, induced by changes in the particle shape and the fusion of those particles. The plasma exposure time, therefore, determines the shape and size distribution of the nanoparticles.
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Affiliation(s)
- Daniel Tasche
- Faculty of Engineering and Health, HAWK University of Applied Sciences and Arts, Von-Ossietzky-Str. 99/100, 37085 Göttingen, Germany; (D.T.); (M.W.); (J.M.); (C.G.); (S.W.)
- Faculty of Natural and Materials Science, Clausthal University of Technology, Robert-Koch-Straße 42, 38678 Clausthal-Zellerfeld, Germany
| | - Mirco Weber
- Faculty of Engineering and Health, HAWK University of Applied Sciences and Arts, Von-Ossietzky-Str. 99/100, 37085 Göttingen, Germany; (D.T.); (M.W.); (J.M.); (C.G.); (S.W.)
- Institute of Inorganic Chemistry, Georg August University of Göttingen, Tammannstraße 4, 37077 Göttingen, Germany
| | - Julia Mrotzek
- Faculty of Engineering and Health, HAWK University of Applied Sciences and Arts, Von-Ossietzky-Str. 99/100, 37085 Göttingen, Germany; (D.T.); (M.W.); (J.M.); (C.G.); (S.W.)
| | - Christoph Gerhard
- Faculty of Engineering and Health, HAWK University of Applied Sciences and Arts, Von-Ossietzky-Str. 99/100, 37085 Göttingen, Germany; (D.T.); (M.W.); (J.M.); (C.G.); (S.W.)
| | - Stephan Wieneke
- Faculty of Engineering and Health, HAWK University of Applied Sciences and Arts, Von-Ossietzky-Str. 99/100, 37085 Göttingen, Germany; (D.T.); (M.W.); (J.M.); (C.G.); (S.W.)
| | - Wiebke Möbius
- Department of Neurogenetics, Max Planck Institute of Experimental Medicine, Electron Microscopy Core Unit, Hermann-Rein-Str. 3, 37075 Göttingen, Germany;
| | - Oliver Höfft
- Institute of Electrochemistry, Clausthal University of Technology, Arnold-Sommerfeld-Straße 6, 37678 Clausthal Zellerfeld, Germany;
| | - Wolfgang Viöl
- Faculty of Engineering and Health, HAWK University of Applied Sciences and Arts, Von-Ossietzky-Str. 99/100, 37085 Göttingen, Germany; (D.T.); (M.W.); (J.M.); (C.G.); (S.W.)
- Correspondence: ; Tel.: +49-551-3705-218
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33
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Cyganowski P, Jermakowicz-Bartkowiak D, Jamroz P, Pohl P, Dzimitrowicz A. Hydrogel-based nanocomposite catalyst containing uncoated gold nanoparticles synthesized using cold atmospheric pressure plasma for the catalytic decomposition of 4-nitrophenol. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.123886] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Sun D, Tang M, Zhang L, Falzon BG, Padmanaban DB, Mariotti D, Maguire P, Xu H, Chen M, Sun D. Microplasma assisted synthesis of gold nanoparticle/graphene oxide nanocomposites and their potential application in SERS sensing. NANOTECHNOLOGY 2019; 30:455603. [PMID: 31207585 DOI: 10.1088/1361-6528/ab2a23] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
This is the first study on the deployment of direct current atmospheric pressure microplasma technique for the single step synthesis of gold nanoparticle/graphene oxide (AuNP/GO) nanocomposites. The nanocomposites were characterized using ultraviolet-visible spectroscopy (UV-vis), x-ray diffraction and x-ray photoelectron spectroscopy and their formation mechanisms have been discussed in detail. Our AuNP/GO nanocomposites are highly biocompatible and have demonstrated surface enhanced Raman scattering (SERS) properties as compared to pure AuNPs and pure GO. Their potential as SERS substrate has been further demonstrated using probe molecules (methylene blue) at different concentrations.
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Affiliation(s)
- Daye Sun
- Advanced Composites Research Group (ACRG), School of Mechanical and Aerospace Engineering, Queen's University, Belfast BT9 5AH, United Kingdom
| | - Miao Tang
- The Wellcome-Wolfson Institute of Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast BT9 7BL, United Kingdom
| | - Li Zhang
- Research Center for Nano-Biomaterials, Analytical & Testing Center, Sichuan University, Chengdu 610065, People's Republic of China
| | - Brian G Falzon
- Advanced Composites Research Group (ACRG), School of Mechanical and Aerospace Engineering, Queen's University, Belfast BT9 5AH, United Kingdom
| | - Dilli Babu Padmanaban
- Nanotechnology and Integrated Bioengineering Centre, Ulster University, Co Antrim BT37 OQB, United Kingdom
| | - Davide Mariotti
- Nanotechnology and Integrated Bioengineering Centre, Ulster University, Co Antrim BT37 OQB, United Kingdom
| | - Paul Maguire
- Nanotechnology and Integrated Bioengineering Centre, Ulster University, Co Antrim BT37 OQB, United Kingdom
| | - Heping Xu
- The Wellcome-Wolfson Institute of Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast BT9 7BL, United Kingdom
| | - Mei Chen
- The Wellcome-Wolfson Institute of Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast BT9 7BL, United Kingdom
| | - Dan Sun
- Advanced Composites Research Group (ACRG), School of Mechanical and Aerospace Engineering, Queen's University, Belfast BT9 5AH, United Kingdom
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35
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Aqueous Gold Nanoparticles Generated by AC and Pulse-Power-Driven Plasma Jet. NANOMATERIALS 2019; 9:nano9101488. [PMID: 31635404 PMCID: PMC6835781 DOI: 10.3390/nano9101488] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 10/16/2019] [Accepted: 10/16/2019] [Indexed: 11/17/2022]
Abstract
In this study, we developed a simple-to-use approach based on an atmospheric pressure plasma jet to synthesize aqueous Au nanoparticles (AuNP). Special attention was paid to the different reaction dynamics and AuNP properties under AC and pulse-power-driven plasma jets (A-Jet and P-Jet, respectively). The morphology of the AuNP, optical emissions, and chemical reactions were analyzed. Further, a copper mesh was placed above the reaction cell to evaluate the role of electrons and neutral species reduction. A visible color change was observed after the A-Jet treatment for 30 s, while it took 3 min for the P-Jet. The A-Jet treatment presented a much higher AuNP growth rate and a smaller AuNP diameter compared with the P-Jet treatment. Further analysis revealed an increase in chemical concentrations (Cl− and H2O2) and liquid conductivity after plasma treatment, with a higher increased amplitude for the A-Jet case. Moreover, the electrons alone had little effect on AuNP generation, while neutral species showed a clear Au+ reduction effect, and a unique coupling effect between both reactions was observed. The different reaction dynamics between the A-Jet and P-Jet were attributed to their different local heating effects and different discharge power during the reaction.
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36
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McNally MJ, Galinis G, Youle O, Petr M, Prucek R, Machala L, von Haeften K. Silver nanoparticles by atomic vapour deposition on an alcohol micro-jet. NANOSCALE ADVANCES 2019; 1:4041-4051. [PMID: 36132097 PMCID: PMC9418456 DOI: 10.1039/c9na00347a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 09/05/2019] [Indexed: 05/13/2023]
Abstract
We achieved sputter deposition of silver atoms onto liquid alcohols by injection of solvents into vacuum via a liquid microjet. Mixing silver atoms into ethanol by this method produced metallic silver nanoparticles. These had a broad, log-normal size distribution, with median size between 3.3 ± 1.4 nm and 2.0 ± 0.7 nm, depending on experiment geometry; and a broad plasmon absorption band centred around 450 nm. We also deposited silver atoms into a solution of colloidal silica nanoparticles, generating silver-decorated silica particles with consistent decoration of almost one silver particle to each silica sphere. The silver-silica mixture showed increased colloidal stability and yield of silver, along with a narrowed size distribution and a narrower plasmon band blue-shifted to 410 nm. Significant methanol loss of 1.65 × 10-7 mol MeOH per g per s from the mature silver-silica solutions suggests we have reproduced known silica supported silver catalysts. The excellent distribution of silver on each silica sphere shows this technique has potential to improve the distribution of catalytically active particles in supported catalysts.
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Affiliation(s)
- Michael J McNally
- Department of Physics and Astronomy, University of Leicester Leicester UK
| | - Gediminas Galinis
- Department of Physics and Astronomy, University of Leicester Leicester UK
| | - Oliver Youle
- Department of Physics and Astronomy, University of Leicester Leicester UK
- Department of Engineering, University of Leicester Leicester UK
| | - Martin Petr
- Regional Centre of Advanced Technologies and Materials (RCPTM), Faculty of Science, Palacký University Olomouc Olomouc Czech Republic
| | - Robert Prucek
- Regional Centre of Advanced Technologies and Materials (RCPTM), Faculty of Science, Palacký University Olomouc Olomouc Czech Republic
| | - Libor Machala
- Regional Centre of Advanced Technologies and Materials (RCPTM), Faculty of Science, Palacký University Olomouc Olomouc Czech Republic
| | - Klaus von Haeften
- Department of Physics and Astronomy, University of Leicester Leicester UK
- Kanano GmbH 89077 Ulm Germany
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Sun D, McLaughlan J, Zhang L, Falzon BG, Mariotti D, Maguire P, Sun D. Atmospheric Pressure Plasma-Synthesized Gold Nanoparticle/Carbon Nanotube Hybrids for Photothermal Conversion. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:4577-4588. [PMID: 30840476 DOI: 10.1021/acs.langmuir.8b03945] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In this work, a room-temperature atmospheric pressure direct-current plasma has been deployed for the one-step synthesis of gold nanoparticle/carboxyl group-functionalized carbon nanotube (AuNP/CNT-COOH) nanohybrids in aqueous solution for the first time. Uniformly distributed AuNPs are formed on the surface of CNT-COOH, without the use of reducing agents or surfactants. The size of the AuNP can be tuned by changing the gold salt precursor concentration. UV-vis, ζ-potential, and X-ray photoelectron spectroscopy suggest that carboxyl surface functional groups on CNTs served as nucleation and growth sites for AuNPs and the multiple potential reaction pathways induced by the plasma chemistry have been elucidated in detail. The nanohybrids exhibit significantly enhanced Raman scattering and photothermal conversion efficiency that are essential for potential multimodal cancer treatment applications.
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Affiliation(s)
- Daye Sun
- Advanced Composites Research Group (ACRG), School of Mechanical and Aerospace Engineering , Queen's University , Belfast BT9 5AH , U.K
| | | | - Li Zhang
- Research Center for Nano-Biomaterials, Analytical & Testing Center , Sichuan University , Chengdu 610065 , China
| | - Brian G Falzon
- Advanced Composites Research Group (ACRG), School of Mechanical and Aerospace Engineering , Queen's University , Belfast BT9 5AH , U.K
| | - Davide Mariotti
- Nanotechnology and Integrated Bioengineering Centre (NIBEC) , Ulster University , Newtownabbey BT37 0QB , U.K
| | - Paul Maguire
- Nanotechnology and Integrated Bioengineering Centre (NIBEC) , Ulster University , Newtownabbey BT37 0QB , U.K
| | - Dan Sun
- Advanced Composites Research Group (ACRG), School of Mechanical and Aerospace Engineering , Queen's University , Belfast BT9 5AH , U.K
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38
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Parveen R, Ullah S, Sgarbi R, Tremiliosi-Filho G. One-pot ligand-free synthesis of gold nanoparticles: The role of glycerol as reducing-cum-stabilizing agent. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.01.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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39
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Sakakibara N, Ito T, Terashima K. Plasma-Ice Interface as Thermodynamically Size-Tunable Reaction Field: Development of Plasma-Assisted Freeze Templating. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:3013-3019. [PMID: 30716274 DOI: 10.1021/acs.langmuir.8b04117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Interfaces or interfacial layers, such as gas-liquid interfaces, are critical for many physical and chemical reactions and are utilized for designing a wide range of materials. In this study, we propose a plasma-assisted freeze templating (PFT) method for materials processing. It uses a new type of interfacial reaction field, i.e., plasma-ice interface. In PFT, a micro- or nanoscale liquid layer formed on the ice body of a frozen aqueous solution is used as a reaction field in which the solutes are highly enriched and the chemical reactions are initiated by reactive species from the plasma. We demonstrated the synthesis of a self-standing gold nanoparticle (AuNP) film of porous structure by PFT in which a helium cryoplasma jet was irradiated onto a frozen solution of auric ions. This PFT method accomplished a surfactant-free and area-selective synthesis of a AuNP film and was unique in comparison with the conventional chemical synthesis of nanostructured gold materials. Furthermore, simple control of the AuNP film was demonstrated by tuning the thickness of the thin liquid layer. This was done by changing the temperature or concentration of the aqueous solution. PFT was demonstrated as a thermodynamically size-tunable scheme for material design; it exploits the plasma-ice interface and is expected to become a novel technique for a wide range of micro- and nanoengineering applications.
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Affiliation(s)
- Noritaka Sakakibara
- Department of Advanced Materials Science, Graduate School of Frontier Sciences , The University of Tokyo , 5-1-5 Kashiwanoha , Kashiwa , Chiba 277-8561 , Japan
| | - Tsuyohito Ito
- Department of Advanced Materials Science, Graduate School of Frontier Sciences , The University of Tokyo , 5-1-5 Kashiwanoha , Kashiwa , Chiba 277-8561 , Japan
| | - Kazuo Terashima
- Department of Advanced Materials Science, Graduate School of Frontier Sciences , The University of Tokyo , 5-1-5 Kashiwanoha , Kashiwa , Chiba 277-8561 , Japan
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40
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Kaushik NK, Kaushik N, Linh NN, Ghimire B, Pengkit A, Sornsakdanuphap J, Lee SJ, Choi EH. Plasma and Nanomaterials: Fabrication and Biomedical Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E98. [PMID: 30646530 PMCID: PMC6358811 DOI: 10.3390/nano9010098] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 12/28/2018] [Accepted: 01/08/2019] [Indexed: 12/20/2022]
Abstract
Application of plasma medicine has been actively explored during last several years. Treating every type of cancer remains a difficult task for medical personnel due to the wide variety of cancer cell selectivity. Research in advanced plasma physics has led to the development of different types of non-thermal plasma devices, such as plasma jets, and dielectric barrier discharges. Non-thermal plasma generates many charged particles and reactive species when brought into contact with biological samples. The main constituents include reactive nitrogen species, reactive oxygen species, and plasma ultra-violets. These species can be applied to synthesize biologically important nanomaterials or can be used with nanomaterials for various kinds of biomedical applications to improve human health. This review reports recent updates on plasma-based synthesis of biologically important nanomaterials and synergy of plasma with nanomaterials for various kind of biological applications.
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Affiliation(s)
- Nagendra Kumar Kaushik
- Plasma Bioscience Research Center, Applied Plasma Medicine Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea.
| | - Neha Kaushik
- Department of Life Science, Hanyang University, Seoul 04763, Korea.
| | - Nguyen Nhat Linh
- Plasma Bioscience Research Center, Applied Plasma Medicine Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea.
| | - Bhagirath Ghimire
- Plasma Bioscience Research Center, Applied Plasma Medicine Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea.
| | - Anchalee Pengkit
- Plasma Bioscience Research Center, Applied Plasma Medicine Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea.
| | - Jirapong Sornsakdanuphap
- Plasma Bioscience Research Center, Applied Plasma Medicine Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea.
| | - Su-Jae Lee
- Department of Life Science, Hanyang University, Seoul 04763, Korea.
| | - Eun Ha Choi
- Plasma Bioscience Research Center, Applied Plasma Medicine Center, Department of Electrical and Biological Physics, Kwangwoon University, Seoul 01897, Korea.
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Tsai JH, Cheng IC, Hsu CC, Chueh CC, Chen JZ. Feasibility study of atmospheric-pressure dielectric barrier discharge treatment on CH3NH3PbI3 films for inverted planar perovskite solar cells. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2018.09.203] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Time Evolution Characterization of Atmospheric-Pressure Plasma Jet (APPJ)-Synthesized Pt-SnOx Catalysts. METALS 2018. [DOI: 10.3390/met8090690] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
We characterize the time evolution (≤120 s) of atmospheric-pressure plasma jet (APPJ)-synthesized Pt-SnOx catalysts. A mixture precursor solution consisting of chloroplatinic acid and tin(II) chloride is spin-coated on fluorine-doped tin oxide (FTO) glass substrates, following which APPJ is used for converting the spin-coated precursors. X-ray photoelectron spectroscopy (XPS) indicates the conversion of a large portion of metallic Pt and a small portion of metallic Sn (most Sn is in oxidation states) from the precursors with 120 s APPJ processing. The dye-sensitized solar cell (DSSC) efficiency with APPJ-synthesized Pt-SnOx CEs is improved greatly with only 5 s of APPJ processing. Electrochemical impedance spectroscopy (EIS) and Tafel experiments confirm the catalytic activities of Pt-SnOx catalysts. The DSSC performance can be improved with a short APPJ processing time, suggesting that a DC-pulse nitrogen APPJ can be an efficient tool for rapidly synthesizing catalytic Pt-SnOx counter electrodes (CEs) for DSSCs.
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Hussain S, Erikson H, Kongi N, Treshchalov A, Rähn M, Kook M, Merisalu M, Matisen L, Sammelselg V, Tammeveski K. Oxygen Electroreduction on Pt Nanoparticles Deposited on Reduced Graphene Oxide and N-doped Reduced Graphene Oxide Prepared by Plasma-assisted Synthesis in Aqueous Solution. ChemElectroChem 2018. [DOI: 10.1002/celc.201800582] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Sajid Hussain
- Institute of Chemistry; University of Tartu; Ravila 14a 50411 Tartu Estonia
| | - Heiki Erikson
- Institute of Chemistry; University of Tartu; Ravila 14a 50411 Tartu Estonia
| | - Nadezda Kongi
- Institute of Chemistry; University of Tartu; Ravila 14a 50411 Tartu Estonia
| | - Alexey Treshchalov
- Institute of Physics; University of Tartu; W. Ostwald Str.1 50411 Tartu Estonia
| | - Mihkel Rähn
- Institute of Physics; University of Tartu; W. Ostwald Str.1 50411 Tartu Estonia
| | - Mati Kook
- Institute of Physics; University of Tartu; W. Ostwald Str.1 50411 Tartu Estonia
| | - Maido Merisalu
- Institute of Chemistry; University of Tartu; Ravila 14a 50411 Tartu Estonia
- Institute of Physics; University of Tartu; W. Ostwald Str.1 50411 Tartu Estonia
| | - Leonard Matisen
- Institute of Physics; University of Tartu; W. Ostwald Str.1 50411 Tartu Estonia
| | - Väino Sammelselg
- Institute of Chemistry; University of Tartu; Ravila 14a 50411 Tartu Estonia
- Institute of Physics; University of Tartu; W. Ostwald Str.1 50411 Tartu Estonia
| | - Kaido Tammeveski
- Institute of Chemistry; University of Tartu; Ravila 14a 50411 Tartu Estonia
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Dzimitrowicz A, Bielawska-Pohl A, diCenzo GC, Jamroz P, Macioszczyk J, Klimczak A, Pohl P. Pulse-Modulated Radio-Frequency Alternating-Current-Driven Atmospheric-Pressure Glow Discharge for Continuous-Flow Synthesis of Silver Nanoparticles and Evaluation of Their Cytotoxicity toward Human Melanoma Cells. NANOMATERIALS (BASEL, SWITZERLAND) 2018; 8:E398. [PMID: 29865231 PMCID: PMC6027456 DOI: 10.3390/nano8060398] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 05/29/2018] [Accepted: 05/30/2018] [Indexed: 11/21/2022]
Abstract
An innovative and environmentally friendly method for the synthesis of size-controlled silver nanoparticles (AgNPs) is presented. Pectin-stabilized AgNPs were synthesized in a plasma-reaction system in which pulse-modulated radio-frequency atmospheric-pressure glow discharge (pm-rf-APGD) was operated in contact with a flowing liquid electrode. The use of pm-rf-APGD allows for better control of the size of AgNPs and their stability and monodispersity. AgNPs synthesized under defined operating conditions exhibited average sizes of 41.62 ± 12.08 nm and 10.38 ± 4.56 nm, as determined by dynamic light scattering and transmission electron microscopy (TEM), respectively. Energy-dispersive X-ray spectroscopy (EDS) confirmed that the nanoparticles were composed of metallic Ag. Furthermore, the ξ-potential of the AgNPs was shown to be -43.11 ± 0.96 mV, which will facilitate their application in biological systems. Between 70% and 90% of the cancerous cells of the human melanoma Hs 294T cell line underwent necrosis following treatment with the synthesized AgNPs. Furthermore, optical emission spectrometry (OES) identified reactive species, such as NO, NH, N₂, O, and H, as pm-rf-APGD produced compounds that may be involved in the reduction of the Ag(I) ions.
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Affiliation(s)
- Anna Dzimitrowicz
- Department of Analytical Chemistry and Chemical Metallurgy, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland.
| | - Aleksandra Bielawska-Pohl
- Laboratory of Biology of Stem and Neoplastic Cells, Hirszfeld Institute of Immunology and Experimental Therapy Polish Academy of Science, R. Weigla 12, 53-114 Wroclaw, Poland.
| | - George C diCenzo
- Department of Biology, University of Florence, via Madonna del Piano 6, 50017 Sesto Fiorentino, Italy.
| | - Piotr Jamroz
- Department of Analytical Chemistry and Chemical Metallurgy, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland.
| | - Jan Macioszczyk
- Faculty of Microsystem Electronics and Photonics, Wroclaw University of Science and Technology, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland.
| | - Aleksandra Klimczak
- Laboratory of Biology of Stem and Neoplastic Cells, Hirszfeld Institute of Immunology and Experimental Therapy Polish Academy of Science, R. Weigla 12, 53-114 Wroclaw, Poland.
| | - Pawel Pohl
- Department of Analytical Chemistry and Chemical Metallurgy, Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze St. Wyspianskiego 27, 50-370 Wroclaw, Poland.
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Polymerization-Driven Immobilization of dc-APGD Synthesized Gold Nanoparticles into a Quaternary Ammonium-Based Hydrogel Resulting in a Polymeric Nanocomposite with Heat-Transfer Applications. Polymers (Basel) 2018; 10:polym10040377. [PMID: 30966412 PMCID: PMC6415246 DOI: 10.3390/polym10040377] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 03/23/2018] [Accepted: 03/27/2018] [Indexed: 11/26/2022] Open
Abstract
A new method for the production of nanocomposites, composed of gold nanoparticles (AuNPs) and (vinylbenzyl)trimethylammonium chloride-co-N,N-methylene bisacrylamide (VBTAC-co-MBA) hydrogel, is described. Raw-AuNPs of defined optical and granulometric properties were synthesized using direct current atmospheric pressure glow discharge (dc-APGD) generated in contact with a solution of HAuCl4. Different approaches to the polymerization-driven synthesis of Au/VBTAC-co-MBA nanocomposites were tested. It was established that homogenous dispersion of AuNPs in this new nanomaterial with was achieved in the presence of NaOH in the reaction mixture. The new nanocomposite was found to have excellent heat-transfer properties.
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46
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Improved performance of polyaniline/reduced-graphene-oxide supercapacitor using atmospheric-pressure-plasma-jet surface treatment of carbon cloth. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2017.12.060] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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47
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Benedikt J, Mokhtar Hefny M, Shaw A, Buckley BR, Iza F, Schäkermann S, Bandow JE. The fate of plasma-generated oxygen atoms in aqueous solutions: non-equilibrium atmospheric pressure plasmas as an efficient source of atomic O(aq). Phys Chem Chem Phys 2018; 20:12037-12042. [DOI: 10.1039/c8cp00197a] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
It is demonstrated with help of 18O2 labeling that O(aq) is stable in water and can directly react with dissolved molecules.
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Affiliation(s)
- J. Benedikt
- Experimental and Applied Physics
- Faculty of Mathematics and Natural Sciences
- Christian-Albrecht-Universität zu Kiel
- 24098 Kiel
- Germany
| | - M. Mokhtar Hefny
- Research Department Plasmas with Complex Interactions
- Ruhr-Universität Bochum
- 44780 Bochum
- Germany
- Basic Science Department
| | - A. Shaw
- Wolfson School of Mechanical, Electrical and Manufacturing Engineering
- Loughborough University
- UK
| | - B. R. Buckley
- Department of Chemistry
- Loughborough University
- Loughborough
- UK
| | - F. Iza
- Wolfson School of Mechanical, Electrical and Manufacturing Engineering
- Loughborough University
- UK
| | - S. Schäkermann
- Applied Microbiology
- Faculty of Biology and Biotechnology
- Ruhr-Universität Bochum
- 44780 Bochum
- Germany
| | - J. E. Bandow
- Applied Microbiology
- Faculty of Biology and Biotechnology
- Ruhr-Universität Bochum
- 44780 Bochum
- Germany
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48
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Nishimoto M, Tsukamoto H, Nguyen MT, Yonezawa T. Effects of Additives on the Preparation of Ag Nanoparticles Using the Microwave-Induced Plasma in Liquid Process. ChemistrySelect 2017. [DOI: 10.1002/slct.201701462] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Masamu Nishimoto
- Hokkaido University, Kita 13 Nishi 8, Kita-ku; Sapporo, Hokkaido 060-8628 Japan
| | - Hiroki Tsukamoto
- Hokkaido University, Kita 13 Nishi 8, Kita-ku; Sapporo, Hokkaido 060-8628 Japan
| | - Mai Thanh Nguyen
- Hokkaido University, Kita 13 Nishi 8, Kita-ku; Sapporo, Hokkaido 060-8628 Japan
| | - Tetsu Yonezawa
- Hokkaido University, Kita 13 Nishi 8, Kita-ku; Sapporo, Hokkaido 060-8628 Japan
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49
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Dehghani Mahmoudabadi Z, Eslami E. Synthesis of TiO2 nanotubes by atmospheric microplasma electrochemistry: Fabrication, characterization and TiO2 oxide film properties. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.05.189] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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50
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Gold nanoparticle-polymer nanocomposites synthesized by room temperature atmospheric pressure plasma and their potential for fuel cell electrocatalytic application. Sci Rep 2017; 7:46682. [PMID: 28436454 PMCID: PMC5402388 DOI: 10.1038/srep46682] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 03/24/2017] [Indexed: 01/18/2023] Open
Abstract
Conductive polymers have been increasingly used as fuel cell catalyst support due to their electrical conductivity, large surface areas and stability. The incorporation of metal nanoparticles into a polymer matrix can effectively increase the specific surface area of these materials and hence improve the catalytic efficiency. In this work, a nanoparticle loaded conductive polymer nanocomposite was obtained by a one-step synthesis approach based on room temperature direct current plasma-liquid interaction. Gold nanoparticles were directly synthesized from HAuCl4 precursor in poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS). The resulting AuNPs/PEDOT:PSS nanocomposites were subsequently characterized under a practical alkaline direct ethanol fuel cell operation condition for its potential application as an electrocatalyst. Results show that AuNPs sizes within the PEDOT:PSS matrix are dependent on the plasma treatment time and precursor concentration, which in turn affect the nanocomposites electrical conductivity and their catalytic performance. Under certain synthesis conditions, unique nanoscale AuNPs/PEDOT:PSS core-shell structures could also be produced, indicating the interaction at the AuNPs/polymer interface. The enhanced catalytic activity shown by AuNPs/PEDOT:PSS has been attributed to the effective electron transfer and reactive species diffusion through the porous polymer network, as well as the synergistic interfacial interaction at the metal/polymer and metal/metal interfaces.
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