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Yan Y, Li G, Su M, Liang H. Scutellaria baicalensis Polysaccharide-Mediated Green Synthesis of Smaller Silver Nanoparticles with Enhanced Antimicrobial and Antibiofilm Activity. ACS APPLIED MATERIALS & INTERFACES 2024; 16:45289-45306. [PMID: 39152895 DOI: 10.1021/acsami.4c07770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/19/2024]
Abstract
Silver nanoparticles (AgNPs) have attracted widespread attention in multidrug-resistant bacterial infections. However, the application of AgNPs synthesized by conventional methods is restricted by its high costs, toxicity, and poor stability. Herein, a water-soluble polysaccharide (Scutellaria baicalensis polysaccharide, SBP) rich in reducing sugars was used as both the reductant and stabilizer to greenly synthesize spherical AgNPs@SBP with smaller particle sizes (11.18 ± 2.50 nm) and higher negative zeta potential (-23.05 ± 2.76 mV), which was favorable to enhance its antimicrobial activity and improve pH and thermal stability. Besides, SBP facilitated the adhesion and penetration of AgNPs@SBP to methicillin-resistant Staphylococcus aureus (MRSA) and carbapenem-resistant Escherichia coli (CREC), thus significantly enhancing its antibacterial activity (increased by 32-fold and 64-fold, respectively). Likewise, AgNPs@SBP at a low concentration (7.8 μg/mL) could effectively penetrate and inhibit nearly 90% of MRSA and CREC biofilm formation. Antimicrobial mechanism studies showed that AgNPs@SBP could lead to more severe cell membrane damage and genetic material leakage by upregulating reactive oxygen species and depolarizing mitochondrial membrane potential, ultimately resulting in the apoptosis of bacteria. Overall, the wrapping of SBP significantly enhanced the antibacterial and antibiofilm activity of AgNPs, which possessed great potential in the prevention and treatment of multidrug-resistant bacterial infections.
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Affiliation(s)
- Yucheng Yan
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Guofeng Li
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
| | - Mingming Su
- School of Ecology and Environment, Renmin University of China, Beijing 100872, PR China
| | - Hao Liang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, PR China
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Kosame S, Josline MJ, Lee JH, Ju H. Anomalous spectral shift of localized surface plasmon resonance. NANOSCALE ADVANCES 2024; 6:2636-2643. [PMID: 38752138 PMCID: PMC11093275 DOI: 10.1039/d3na01131c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 04/03/2024] [Indexed: 05/18/2024]
Abstract
We report the first observation of spectral blue shift of plasmon resonance of synthesized silver nanoparticles (AgNPs) due to a negative optical nonlinearity of a local ambient medium, i.e., indigo carmine (IC) solution at around 420 nm wavelength. The blue shift occurred at a larger concentration of AgNPs or at a larger concentration of IC solution, being in obvious contrast to spectral red shift which was widely witnessed in plasmon spectral shift in a linear regime. Plasmon-enhanced local fields could excite the third-order optical nonlinearity for blue shift even under continuous (non-pulsed) light illumination. We also found that the plasmon-excited nonlinearity could allow for differential nonlinear response of the IC solution to be even greater than its differential linear response, though appearing to be somewhat inconsistent with what was generally known in light-matter interaction. The demonstrated properties of such anomalous shift of plasmon spectral peaks and its accompanying properties indicated that plasmon technologies could be exploited not only in linear but also in nonlinear aspects for critical optimization in plasmon-energy harvesting systems such as in surface enhanced spectroscopy/microscopy, biomedical imaging/sensing, laser frequency conversion, ultrashort pulse generation, and all-optical switching.
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Affiliation(s)
- Saikiran Kosame
- Department of Physics, Gachon University Seongnam-si 13120 Republic of Korea
| | - Mukkath Joseph Josline
- Department of Materials Science and Engineering, Ajou University Suwon Korea
- Department of Energy Systems Research, Ajou University Suwon Korea
| | - Jae-Hyun Lee
- Department of Materials Science and Engineering, Ajou University Suwon Korea
- Department of Energy Systems Research, Ajou University Suwon Korea
| | - Heongkyu Ju
- Department of Physics, Gachon University Seongnam-si 13120 Republic of Korea
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Alqarni LS, Alghamdi MD, Alshahrani AA, Alotaibi NF, Moustafa SMN, Ashammari K, Alruwaili IA, Nassar AM. Photocatalytic Degradation of Rhodamine-B and Water Densification via Eco-Friendly Synthesized Cr 2O 3 and Ag@Cr 2O 3 Using Garlic Peel Aqueous Extract. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:289. [PMID: 38334561 PMCID: PMC10857512 DOI: 10.3390/nano14030289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 01/23/2024] [Accepted: 01/25/2024] [Indexed: 02/10/2024]
Abstract
The purification and densification of wastewater play an important role in water recycling, especially if the materials used in water recycling are other types of recycled waste. Therefore, considering this view in this study, the biosynthesis of silver-decorated chromium oxide nanoparticles utilizing a wasted Allium sativum (garlic) peel extract is investigated. The aqueous extract of garlic peel (GPE) was treated with silver nitrate, chromium nitrate, and a mixture of silver nitrate and chromium nitrate to synthesize silver nanoparticles (Ag-garlic), chromium oxide nanoparticles (Cr2O3-garlic), and silver-decorated chromium oxide nanoparticles (Ag@Cr2O3-garlic), respectively. The synthesized nanoparticles were elucidated via thermal gravimetric analysis (TGA), infrared spectra (FT-IR), absorption spectra (UV-Vis), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and transmission electron microscopy (TEM). Antimicrobial activity studies were conducted against waterborne germs, bacterial strains (Bacillus subtilis, Enterococcus faecium, Escherichia coli, and Pseudomonas aeruginosa), and fungal strains (Alternaria porri, Aspergillus flavus, Aspergillus niger, Fuserium oxysporum, and Trichoderma longibrachiatum) and showed significant levels of antimicrobial activity. The results revealed that Ag@Cr2O3 significantly improved antimicrobial activity due to their synergistic effect. The photocatalytic activity of nanoparticles was assessed using Rhodamine B dye (5 ppm) under solar irradiation. Cr2O3-garlic exhibited the best activity as a photocatalyst among the studied nanoparticles, with 97.5% degradation efficiency under optimal conditions.
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Affiliation(s)
- Laila S. Alqarni
- Chemistry Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), P.O. Box 90950, Riyadh 11623, Saudi Arabia;
| | - Maha D. Alghamdi
- Department of Chemistry, Faculty of Science, Al-Baha University, P.O. Box 1988, Al-Baha 65799, Saudi Arabia; (M.D.A.); (A.A.A.)
| | - Aisha A. Alshahrani
- Department of Chemistry, Faculty of Science, Al-Baha University, P.O. Box 1988, Al-Baha 65799, Saudi Arabia; (M.D.A.); (A.A.A.)
| | - Nasser F. Alotaibi
- Chemistry Department, College of Science, Jouf University, Sakaka 2014, Saudi Arabia; (N.F.A.); (I.A.A.)
| | | | - Khulaif Ashammari
- Physics Department, College of Science, Jouf University, Sakaka 2014, Saudi Arabia;
| | - Ibtihal A. Alruwaili
- Chemistry Department, College of Science, Jouf University, Sakaka 2014, Saudi Arabia; (N.F.A.); (I.A.A.)
| | - Amr Mohammad Nassar
- Chemistry Department, College of Science, Jouf University, Sakaka 2014, Saudi Arabia; (N.F.A.); (I.A.A.)
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Zhao L, Liao W, Lin G, Yang J, Shi X, Zheng Y. Rubropunctatin-silver composite nanoliposomes for eradicating Helicobacter pylori in vitro and in vivo. Int J Pharm 2024; 649:123655. [PMID: 38043750 DOI: 10.1016/j.ijpharm.2023.123655] [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: 09/30/2023] [Revised: 11/10/2023] [Accepted: 11/28/2023] [Indexed: 12/05/2023]
Abstract
Helicobacter pylori (H. pylori) is a major factor in peptic ulcer disease and gastric cancer, and its infection rate is rising globally. The efficacy of traditional antibiotic treatment is less effective, mainly due to bacterial biofilms and the formation of antibiotic resistance. In addition, H. pylori colonizes the gastrointestinal epithelium covered by mucus layers, the drug must penetrate the double barrier of mucus layer and biofilm to reach the infection site and kill H. pylori. The ethanol injection method was used to synthesize nanoliposomes (EPI/R-AgNPs@RHL/PC) with a mixed lipid layer containing rhamnolipids (RHL) and phosphatidylcholine (PC) as a carrier, loaded with the urease inhibitor epiberberine (EPI) and the antimicrobial agent rubropunctatin silver nanoparticles (R-AgNPs). EPI/R-AgNPs@RHL/PC had the appropriate size, negative charge, and acid sensitivity to penetrate mucin-rich mucus layers and achieve acid-responsive drug release. In vitro experiments demonstrated that EPI/R-AgNPs@RHL/PC exhibited good antibacterial activity, effectively inhibited urease activity, removed the mature H. pylori biofilm, and inhibited biofilm regeneration. In vivo antibacterial tests showed that EPI/R-AgNPs@RHL/PC exhibited excellent activity in eradicating H. pylori and protecting the mucosa compared to the traditional clinical triple therapy, providing a new idea for the treatment of H. pylori infection.
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Affiliation(s)
- Li Zhao
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; International Joint Laboratory of Intelligent Health Care, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China
| | - Wenqiang Liao
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; International Joint Laboratory of Intelligent Health Care, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China
| | - Guibin Lin
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; International Joint Laboratory of Intelligent Health Care, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China
| | - Jianmin Yang
- College of Biological Science and Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; International Joint Laboratory of Intelligent Health Care, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China
| | - Xianai Shi
- College of Biological Science and Engineering, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; International Joint Laboratory of Intelligent Health Care, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China
| | - Yunquan Zheng
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; Fujian Key Laboratory of Medical Instrument and Pharmaceutical Technology, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China; International Joint Laboratory of Intelligent Health Care, Fuzhou University, 2 Xueyuan Road, Fuzhou 350108, China.
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Bunge A, Radu T, Borodi G, Boca S, Nan A. Green Synthesis of Gold, Silver, Copper, and Magnetite Particles Using Poly(tartaric acid) Simultaneously as Coating and Reductant. Polymers (Basel) 2023; 15:4472. [PMID: 38231889 PMCID: PMC10708409 DOI: 10.3390/polym15234472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 11/17/2023] [Accepted: 11/19/2023] [Indexed: 01/19/2024] Open
Abstract
Poly(tartaric acid) is a relatively recently described polymer that can be easily synthesized and scaled up from a readily available renewable material (tartaric acid). This article demonstrates its use in a green synthesis of gold nanoparticles, silver nanoparticles, copper particles, and magnetite nanoparticles. In this case poly(tartaric acid) acts both as a reductant and as a coating agent. To our knowledge this is the first green synthesis of several different types of nanoparticles using only one reagent (polytartrate) as both reductant and coating. The resulting particles were analyzed by XRD, TEM/SEM, EDX, FTIR, DLS, zeta-potential, XPS, and UV/VIS spectroscopy. Preliminary studies of the thermal behavior of mixtures of different types of particles with poly(tartaric acid) were also conducted. The obtained particles show different sizes depending on the material, and the coating allows for better dispersibility as well as potential further functionalization, making them potentially useful also for other applications, besides the inclusion in polymer composites.
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Affiliation(s)
- Alexander Bunge
- National Institute R&D for Isotopic and Molecular Technology, 67-103 Donat Street, 400293 Cluj-Napoca, Romania (T.R.); (G.B.); (S.B.)
| | - Teodora Radu
- National Institute R&D for Isotopic and Molecular Technology, 67-103 Donat Street, 400293 Cluj-Napoca, Romania (T.R.); (G.B.); (S.B.)
| | - Gheorghe Borodi
- National Institute R&D for Isotopic and Molecular Technology, 67-103 Donat Street, 400293 Cluj-Napoca, Romania (T.R.); (G.B.); (S.B.)
| | - Sanda Boca
- National Institute R&D for Isotopic and Molecular Technology, 67-103 Donat Street, 400293 Cluj-Napoca, Romania (T.R.); (G.B.); (S.B.)
- Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 T. Laurian Str., 400271 Cluj-Napoca, Romania
| | - Alexandrina Nan
- National Institute R&D for Isotopic and Molecular Technology, 67-103 Donat Street, 400293 Cluj-Napoca, Romania (T.R.); (G.B.); (S.B.)
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Bukhary HA, Zaman U, Ur Rehman K, Alissa M, Rizg WY, Khan D, Almehizia AA, Naglah AM, Al-Wasidi AS, Alharbi AS, Refat MS, Abdelrahman EA. Acid protease functionalized novel silver nanoparticles (APTs-AgNPs): A new approach towards photocatalytic and biological applications. Int J Biol Macromol 2023; 242:124809. [PMID: 37178877 DOI: 10.1016/j.ijbiomac.2023.124809] [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: 03/10/2023] [Revised: 04/29/2023] [Accepted: 05/07/2023] [Indexed: 05/15/2023]
Abstract
Herein, we described for the first time, an efficient biogenic synthesis of APTs-AgNPs using acid protease from Melilotus indicus leaf extract. The acid protease (APTs) has an essential role in the stabilization, reduction, and capping of APTs-AgNPs. The crystalline nature, size, and surface morphology of APTs-AgNPs were examined using different techniques such as XRD, UV, FTIR, SEM, EDS, HRTEM, and DLS analysis. The generated APTs-AgNPs demonstrated notable performance as dual functionality (photocatalyst and antibacterial disinfection). By destroying 91 % of methylene blue (MB) in <90 min of exposure, APTs-AgNPs demonstrated remarkable photocatalytic activity. APTs-AgNPs also showed remarkable stability as a photocatalyst after five test cycles. Furthermore, the APTs-AgNPs was found to be a potent antibacterial agent with inhibition zones of 30(±0.5 mm), 27(±0.4 mm), 16(±0.1 mm), and 19(±0.7 mm) against Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli) bacteria, respectively, under both light and dark conditions. Furthermore, APTs-AgNPs effectively scavenged 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicals, demonstrating their potent antioxidant activity. The outcomes of this study thus demonstrates the dual functionality of APTs-AgNPs produced using the biogenic approach method as a photocatalyst and an antibacterial agent for effective microbial and environmental control.
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Affiliation(s)
- Haitham A Bukhary
- Department of Pharmaceutics, Collage of Pharmacy, Umm Al-Qura University, Makkah 24381, Saudi Arabia
| | - Umber Zaman
- Institute of Chemical Sciences, Gomal University, Dera Ismail Khan, KPK, Pakistan
| | - Khalil Ur Rehman
- Institute of Chemical Sciences, Gomal University, Dera Ismail Khan, KPK, Pakistan.
| | - Mohammed Alissa
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
| | - Waleed Y Rizg
- Center of Innovation in Personalized Medicine (CIPM), 3D Bioprinting Unit, King Abdulaziz University, Jeddah 21589, Saudi Arabia; Department of Pharmaceutics, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Dilfaraz Khan
- Department of Pharmaceutics, Collage of Pharmacy, Umm Al-Qura University, Makkah 24381, Saudi Arabia
| | - Abdulrahman A Almehizia
- Drug Exploration and Development Chair (DEDC), Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ahmed M Naglah
- Drug Exploration and Development Chair (DEDC), Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia.
| | - Asma S Al-Wasidi
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, Riyadh 11671, Saudi Arabia
| | - Amirah Senaitan Alharbi
- King Saud University Medical City, King Khalid University Hospital, P.O. Box 7805, Riyadh 11472, Saudi Arabia
| | - Moamen S Refat
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Ehab A Abdelrahman
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia; Chemistry Department, Faculty of Science, Benha University, Benha 13518, Egypt
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