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Renuka R, Thilagavathi T, Inmozhi C, Uthrakumar R, Gobi G, Kaviyarasu K, Al-Sowayan NS, Mir TA, Alam MW. Silver sulphide nanoparticles (Ag 2SNPs) synthesized using Phyllanthus emblica fruit extract for enhanced antibacterial and antioxidant properties. Microsc Res Tech 2024; 87:2312-2320. [PMID: 38752356 DOI: 10.1002/jemt.24612] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 04/21/2024] [Accepted: 05/07/2024] [Indexed: 09/02/2024]
Abstract
In this study, silver sulfide nanoparticles (Ag2SNP's) were successfully produced by using fruit extracts of Phyllanthus emblica. UV-vis, FTIR, XRD with SEM and EDX techniques were used for the synthesis process and for characterization of the resulting nanostructures. According to the findings, the fabricated nanostructure had a monoclinic crystal structure, measuring 44 nm in grain size, and its strain was 1.82 × 10-3. As revealed by SEM analysis, the synthesized nanostructure consists of irregular spherical and triangular shapes. The presence of silver (Ag) and sulfur (S) was also confirmed through EDX spectra. Furthermore, Ag2S nanoparticles were tested for their ability to effectively inhibit gram-positive and gram-negative bacterial growth. As a result of this study, it was clearly demonstrated that Ag2S nanoparticles possess powerful antibacterial properties, particularly when it came to inhibiting Escherichia coli growth. Ag2S nanoparticles had high total H2O2 and flavonoid concentrations and the greatest overall antioxidant activity, according to the evaluation of antioxidant activity of the samples. The results obtained from the P. emblica fruit extract were followed by those obtained from Ag2S nanoparticles were reported in detail. RESEARCH HIGHLIGHTS: Innovative Ag2SNP synthesis using Phyllanthus emblica fruit extract. SEM with EDX revealed a monoclinic crystal structure with a grain size of 44 nm and a strain of 1.82 × 10-3. Many of these applications are demonstrated by the potential of Ag2SNPs to treat and combat bacteria, particularly Escherichia coli. A peak at 653 cm-1 indicates the presence of primary sulfide aliphatic C-S extension vibrations. The abundant H2O2 and NO2 found in P. emblica nanocomposites make them potent antioxidants.
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Affiliation(s)
- R Renuka
- Department of Physics, Government Arts College for Women (Autonomous), Pudukkottai, India
| | - T Thilagavathi
- Department of Physics, Government College for Women (Autonomous), Kumbakonam, India
| | - C Inmozhi
- Department of Physics, Government Arts College for Women, Salem, India
| | - R Uthrakumar
- Department of Physics, Government Arts College (Autonomous), Salem, India
| | - G Gobi
- Department of Physics, Government Arts College (Autonomous), Salem, India
| | - K Kaviyarasu
- UNESCO-UNISA Africa Chair in Nanosciences/Nanotechnology Laboratories, College of Graduate Studies, University of South Africa (UNISA), Pretoria, South Africa
| | | | - Tanveer Ahmad Mir
- Laboratory of Tissue/Organ Bioengineering and BioMEMS, Organ Transplant Centre of Excellence, Transplantation Research & Innovation (Dpt)-R, King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
| | - Mir Waqas Alam
- Department of Physics, College of Science, King Faisal University, Al-Ahsa, Saudi Arabia
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Abbasi M, Aziz R, Rafiq MT, Bacha AUR, Ullah Z, Ghaffar A, Mustafa G, Nabi I, Hayat MT. Efficient performance of InP and InP/ZnS quantum dots for photocatalytic degradation of toxic aquatic pollutants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:19986-20000. [PMID: 38368301 DOI: 10.1007/s11356-024-32479-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 02/10/2024] [Indexed: 02/19/2024]
Abstract
In recent years, the growing concern over the presence of toxic aquatic pollutants has prompted intensive research into effective and environmentally friendly remediation methods. Photocatalysis using semiconductor quantum dots (QDs) has developed as a promising technology for pollutant degradation. Among various QD materials, indium phosphide (InP) and its hybrid with zinc sulfide (ZnS) have gained considerable attention due to their unique optical and photocatalytic properties. Herein, InP and InP/ZnS QDs were employed for the removal of dyes (crystal violet, and congo red), polyaromatic hydrocarbons (pyrene, naphthalene, and phenanthrene), and pesticides (deltamethrin) in the presence of visible light. The degradation efficiencies of crystal violet (CV) and congo red (CR) were 74.54% and 88.12% with InP, and 84.53% and 91.78% with InP/ZnS, respectively, within 50 min of reaction. The InP/ZnS showed efficient performance for the removal of polyaromatic hydrocarbons (PAHs). For example, the removal percentage for naphthalene, phenanthrene, and pyrene was 99.8%, 99.6%, and 88.97% after the photocatalytic reaction. However, the removal percentage of InP/ZnS for pesticide deltamethrin was 90.2% after 90 min light irradiation. Additionally, advanced characterization techniques including UV-visible spectrophotometer (UV-Vis), photoluminescence (PL), X-ray diffractometer (XRD), energy-dispersive spectrometer (EDS) elemental mapping, transmission electron microscopy (TEM), and thermogravimetric analysis (TGA) were used to analyze the crystal structure, morphology, and purity of the fabricated materials in detail. The particle size results obtained from TEM are in the range of 2.28-4.60 nm. Both materials (InP and InP/ZnS) exhibited a spherical morphology, displaying distinct lattice fringes. XRD results of InP depicted lattice planes (111), (220), and (311) in good agreement with cubic geometry. Furthermore, the addition of dopants was discovered to enhance the thermal stability of the fabricated material. In addition, QDs exhibited efficacy in the breakdown of PAHs. The analysis of their fragmentation suggests that the primary mechanism for PAHs degradation is the phthalic acid pathway.
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Affiliation(s)
- Maryam Abbasi
- Department of Environmental Sciences, International Islamic University, Islamabad, 44000, Pakistan
| | - Rukhsanda Aziz
- Environmental Science Program, Centre for Interdisciplinary Research in Basic Sciences, International Islamic University, Islamabad, 44000, Pakistan
| | - Muhammad Tariq Rafiq
- Environmental Science Program, Centre for Interdisciplinary Research in Basic Sciences, International Islamic University, Islamabad, 44000, Pakistan
| | - Aziz Ur Rahim Bacha
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, People's Republic of China.
- Department of Environmental Science and Engineering, Fudan University, Shanghai, 200433, People's Republic of China.
| | - Zahid Ullah
- State Key Laboratory of Biogeology and Environmental Geology, School of Environmental Studies, China University of Geosciences, Wuhan, 430074, China
| | - Abdul Ghaffar
- Isotope Application Division, PINSTECH, Nilore, Islamabad, Pakistan
| | - Ghulam Mustafa
- Department of Chemistry, University of Okara, Okara, Pakistan
| | - Iqra Nabi
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen, 518055, People's Republic of China
- Department of Environmental Science and Engineering, Fudan University, Shanghai, 200433, People's Republic of China
| | - Malik Tahir Hayat
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad Campus, Abbottabad, 22060, Pakistan
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Dhanalaxmi B, Balchander V, Sumalatha V, Ayodhya D, Reddy GP. Hydrothermal Fabrication of Efficient Binary Pd/Ag 2S Heterojunction Composites: Synthesis, Characterization, and Fluorometric Selective Sensing of Organophosphate Pesticides. J Fluoresc 2023:10.1007/s10895-023-03405-x. [PMID: 37922112 DOI: 10.1007/s10895-023-03405-x] [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: 07/20/2023] [Accepted: 08/16/2023] [Indexed: 11/05/2023]
Abstract
Although many plasmonic nanosensors have been established for the detection of analytes, few of them are feasible for analyzing natural samples with very complex matrices because of insufficient method selectivity. To address this challenge, we propose an epitaxial and lattice-mismatch approach to the synthesis of a unique Pd/Ag2S nanostructure, which consists of a Pd segment with excellent plasmonic characteristics, and a highly stable Ag2S portion with minimum solubility product (Ksp(Ag2S) = 6.3 × 10- 50). Hence, Ag2S nanoparticles (NPs) and optimized (10.05 mmol/L) Pd/Ag2S composite were prepared using a hydrothermal method. The fabricated samples were characterized using different tools including UV-vis DRS, PL, powder XRD, TEM, and BET surface area measurements. Furthermore, the fluorometric sensing performance of the Ag2S and Pd/Ag2S samples was examined in the detection of organophosphate pesticides such as MLT, PRT, DZN, FNT, DCL, MCP, and CPS pesticides at room temperature. The quantitative detection of MLT, PRT, DZN, FNT, DCL, MCP, and CPS pesticides was achieved based on the Pd/Ag2S composite and organophosphate group-specific interaction. The optimized sensor exhibited a lower limit of detection (3.08 µM), excellent reproducibility, selectivity, and stability with an enhanced sensitivity of - 207.1 µA/µM cm2 (R2 = 0.98) in the range of 10 µM-100 µM for the detection of CPS pesticide. In addition, the fluorometric sensor has excellent selectivity, reproducibility, and stability, providing a feasible method for not only the detection of CPS pesticides but also other analytes in the future.
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Affiliation(s)
- B Dhanalaxmi
- University College of Technology, Osmania University, Hyderabad, 500007, Telangana, India.
| | - V Balchander
- Department of Pharmaceutical Engineering, BV Raju Institute of Technology, Narsapur, 502313, Telangana, India
| | - V Sumalatha
- Department of Chemistry, JMJ College for Women, Tenali, 522201, Andhra Pradesh, India
| | - Dasari Ayodhya
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, 500007, Telangana, India
- Chemical Group, Intellectual Property India, Patent Office, GST Road, Guindy, Chennai, 600032, Tamil Nadu, India
| | - G Prabhakar Reddy
- University College of Technology, Osmania University, Hyderabad, 500007, Telangana, India.
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Eswaran A, Thirumalainambi M, Subramaniam R, Annadurai G. Highly selective CO 2 sensing response of lanthanum oxide nanoparticle electrodes at ambient temperature. NANOSCALE ADVANCES 2023; 5:3761-3770. [PMID: 37441249 PMCID: PMC10334415 DOI: 10.1039/d3na00199g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 05/19/2023] [Indexed: 07/15/2023]
Abstract
Lanthanum oxide nanoparticles (La2O3 NPs) are attractive rare earth metal oxides because of their applications in optical devices, catalysts, dielectric layers, and sensors. Herein, we report room temperature operative carbon dioxide gas sensing electrodes developed by a simple sonication assisted hydrothermal method. The physiochemical, morphological and gas-sensing properties of the prepared nanoparticles were studied systematically and their successful preparation was confirmed with the absence of impurities and high selectivity towards CO2. The fabricated sensor showed a high sensitivity of 40% towards CO2 at 50 ppm, and it can detect concentrations of up to 5 ppm with a quick response time of 6 s and recovery of 5 s. The electrode demonstrated long-term stability of 95% for 50 days when tested with an interval of 10 days. This simple and cost-effective method shows great potential for fabricating room temperature CO2 gas sensors.
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Affiliation(s)
- Amutha Eswaran
- Sri Paramakalyani Centre of Excellence in Environmental Sciences, Manonmaniam Sundaranar University Alwarkurichi - 627412 India
| | - Madhumitha Thirumalainambi
- Sri Paramakalyani Centre of Excellence in Environmental Sciences, Manonmaniam Sundaranar University Alwarkurichi - 627412 India
| | | | - Gurusamy Annadurai
- Sri Paramakalyani Centre of Excellence in Environmental Sciences, Manonmaniam Sundaranar University Alwarkurichi - 627412 India
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Sobhanan J, Rival JV, Anas A, Sidharth Shibu E, Takano Y, Biju V. Luminescent Quantum Dots: Synthesis, Optical Properties, Bioimaging and Toxicity. Adv Drug Deliv Rev 2023; 197:114830. [PMID: 37086917 DOI: 10.1016/j.addr.2023.114830] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 03/26/2023] [Accepted: 04/14/2023] [Indexed: 04/24/2023]
Abstract
Luminescent nanomaterials such as semiconductor nanocrystals (NCs) and quantum dots (QDs) attract much attention to optical detectors, LEDs, photovoltaics, displays, biosensing, and bioimaging. These materials include metal chalcogenide QDs and metal halide perovskite NCs. Since the introduction of cadmium chalcogenide QDs to biolabeling and bioimaging, various metal nanoparticles (NPs), atomically precise metal nanoclusters, carbon QDs, graphene QDs, silicon QDs, and other chalcogenide QDs have been infiltrating the nano-bio interface as imaging and therapeutic agents. Nanobioconjugates prepared from luminescent QDs form a new class of imaging probes for cellular and in vivo imaging with single-molecule, super-resolution, and 3D resolutions. Surface modified and bioconjugated core-only and core-shell QDs of metal chalcogenides (MX; M = Cd/Pb/Hg/Ag, and X = S/Se/Te,), binary metal chalcogenides (MInX2; M = Cu/Ag, and X = S/Se/Te), indium compounds (InAs and InP), metal NPs (Ag, Au, and Pt), pure or mixed precision nanoclusters (Ag, Au, Pt), carbon nanomaterials (graphene QDs, graphene nanosheets, carbon NPs, and nanodiamond), silica NPs, silicon QDs, etc. have become prevalent in biosensing, bioimaging, and phototherapy. While heavy metal-based QDs are limited to in vitro bioanalysis or clinical testing due to their potential metal ion-induced toxicity, carbon (nanodiamond and graphene) and silicon QDs, gold and silica nanoparticles, and metal nanoclusters continue their in vivo voyage towards clinical imaging and therapeutic applications. This review summarizes the synthesis, chemical modifications, optical properties, and bioimaging applications of semiconductor QDs with particular references to metal chalcogenide QDs and bimetallic chalcogenide QDs. Also, this review highlights the toxicity and pharmacokinetics of QD bioconjugates.
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Affiliation(s)
- Jeladhara Sobhanan
- Graduate School of Environmental Science, Hokkaido University, N10 W5, Sapporo, Hokkaido 060-0810, Japan; Center for Adapting Flaws into Features, Department of Chemistry, Rice University, 6100 Main St., Houston, TX 77005, USA
| | - Jose V Rival
- Smart Materials Lab, Department of Nanoscience and Technology, University of Calicut, Kerala, India
| | - Abdulaziz Anas
- CSIR-National Institute of Oceanography, Regional Centre Kochi, Kerala 682 018, India.
| | | | - Yuta Takano
- Graduate School of Environmental Science, Hokkaido University, N10 W5, Sapporo, Hokkaido 060-0810, Japan; Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0020, Japan
| | - Vasudevanpillai Biju
- Graduate School of Environmental Science, Hokkaido University, N10 W5, Sapporo, Hokkaido 060-0810, Japan; Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0020, Japan.
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Ramzan M, Javed M, Iqbal S, Alhujaily A, Mahmood Q, Aroosh K, Bahadur A, Qayyum MA, Awwad NS, Ibrahium HA, Al-Anazy MM, Elkaeed EB. Designing Highly Active S-g-C3N4/Te@NiS Ternary Nanocomposites for Antimicrobial Performance, Degradation of Organic Pollutants, and Their Kinetic Study. INORGANICS 2023. [DOI: 10.3390/inorganics11040156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023] Open
Abstract
The current research is about the synthesis of pure nickel sulfide, a series of Te (0, 0.5, 1, 1.5, 2, and 3 wt.%)-doped NiS (Te@NiS) nanoparticles (NPs), and a series of S-g-C3N4 (10, 30, 50, 70, and 80 wt.%)/Te@NiS nanocomposites (NCs), fabricated through a hydrothermal route. XRD and FTIR spectroscopic techniques demonstrated the successful synthesis of NPs and NCs. SEM-EDX images confirmed the flakelike structure and elemental constituents of the fabricated materials. Tauc plots were drawn, to calculate the band gaps of the synthesized samples. Te doping resulted in a significant reduction in the band gap of the NiS NPs. The photocatalytic efficiency of the NPs and NCs was investigated against MB, under sunlight. The results obtained for the photocatalytic activity, showed that 1%Te@NiS nanoparticles have an excellent dye degradation capacity in sunlight. This was made even better by making a series of SGCN/1% Te@NiS nanocomposites with different amounts of S-g-C3N4. When compared to NiS, Te@NiS, SGCN, and 70%SGCN/1%Te@NiS, the 70%SGCN/1%Te@NiS NCs have excellent antifungal ability. The higher impact of SGCN/Te@NiS, may be due to its enhanced ability to disperse and interact with the membranes and intracellular proteins of fungi. The 70%SGCN/1%Te@NiS NCs showed excellent antibacterial and photocatalytic efficiency. Thus, the 70%SGCN/1%Te@NiS NCs might prove fruitful in antibacterial and photocatalytic applications.
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Affiliation(s)
- Maryam Ramzan
- Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan
| | - Mohsin Javed
- Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan
| | - Shahid Iqbal
- Department of Chemistry, School of Natural Sciences (SNS), National University of Science and Technology (NUST), H-12, Islamabad 46000, Pakistan
| | - Ahmad Alhujaily
- Biology Department, College of Science, Taibah University, P.O. Box 344, Al Madinah Al Munawarah 41477, Saudi Arabia
| | - Qaiser Mahmood
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou 515031, China
| | - Komal Aroosh
- Department of Chemistry, School of Science, University of Management and Technology, Lahore 54770, Pakistan
| | - Ali Bahadur
- Department of Chemistry, College of Science and Technology, Wenzhou-Kean University, Wenzhou 325060, China
| | - Muhammad Abdul Qayyum
- Department of Chemistry, Division of Science & Technology, University of Education, Lahore 54770, Pakistan
| | - Nasser S. Awwad
- Chemistry Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Hala A. Ibrahium
- Biology Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Murefah Mana Al-Anazy
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Eslam B. Elkaeed
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, P.O. Box 71666, Riyadh 13713, Saudi Arabia
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Fabrication of SPR triggered Ag-CuO composite from Cu(II)-Schiff base complex for enhanced visible-light-driven degradation of single and binary-dyes and fluorometric detection of nitroaromatic compounds. INORG CHEM COMMUN 2023. [DOI: 10.1016/j.inoche.2022.110295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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8
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Banu R, Gangapuram B, Ayodhya D, Dadigala R, Veerabhadram G, Kotu GM. Biogenic Synthesis of Carboxymethyl Cashew Gum Modified Gold Nanoparticles and its Sensitive and Selective Calorimetric Detection of Hg 2+ Ions and Catalytic Reduction of Methyl Red. J Fluoresc 2023; 33:209-221. [PMID: 36399249 DOI: 10.1007/s10895-022-03073-3] [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: 09/15/2022] [Accepted: 11/04/2022] [Indexed: 11/19/2022]
Abstract
In the present study, we have successfully synthesized and characterized carboxy methyl cashew gum modified gold nanoparticles (CMCG-AuNPs) via a microwave-assisted method and used as a calorimetric probe for selective detection of Hg2+ ions as well as catalytic reduction of methyl red in an aqueous medium. The effect of different parameters including concentration and irradiation time on the formation of CMCG-AuNPs was also investigated. The presence of strong surface plasmon resonance (SPR) peak in the visible region indicated the formation of AuNPs. The characterization techniques were identified the interaction between the CMCG and AuNPs with estimation of size and morphology. The face centred cubic (FCC) crystal structure was identified by using XRD and supporting with SAED pattern. TEM images of CMCG-AuNPs were exhibited as polydispersed with spherical in shape and the average particle size was 12 ± 3 nm. The synthesized CMCG-AuNPs were utilized to sensing Hg2+ ions in an aqueous medium, the presence of Hg2+ ions selectively among other metal ions, the CMCG-AuNPs were aggregated by changing the color from wine red to purple blue accompanied by change in the position of SPR peak and intensity. It was observed as a strong linear relationship based on the change in intensity, the limit of detection was determined to be 0.277 nM. The catalytic activity was also examined for the reduction of methyl red (MR) in the presence of CMCG-AuNPs was completed within 12 min and followed pseudo-first order kinetics with a rate constant of 0.261 min-1. From the obtained results, the synthesized CMCG-AuNPs were useful for detection of heavy metal ions as well as toxic pollutants degradation via a green method, and utilized sensing, environmental, and biomedical application in future.
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Affiliation(s)
- Ruqya Banu
- Department of Chemistry, Palamuru University, Mahaboob Nagar, Telangana, 509001, India
| | | | - Dasari Ayodhya
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, Telangana, 500007, India
| | - Ramakrishna Dadigala
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, Telangana, 500007, India
| | - Guttena Veerabhadram
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, Telangana, 500007, India
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Roy S, Ezati P, Priyadarshi R, Biswas D, Rhim JW. Recent advances in metal sulfide nanoparticle-added bionanocomposite films for food packaging applications. Crit Rev Food Sci Nutr 2022; 64:4660-4673. [PMID: 36368310 DOI: 10.1080/10408398.2022.2144794] [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] [Indexed: 11/12/2022]
Abstract
Metal sulfide nanoparticles have recently attracted much attention due to their unique physical and functional properties. Metal sulfide nanoparticles used as optoelectronic and biomedical materials in the past decades are promising for making functional nanocomposite films due to their low toxicity and strong antibacterial activity. Recently, copper sulfide and zinc sulfide nanomaterials have been used to produce food packaging films for active packaging. Metal sulfide nanoparticles added as nanofillers are attracting attention in packaging applications due to their excellent potential to improve mechanical, barrier properties, and antibacterial activity. This review covers the fabrication process and important applications of metal sulfide nanoparticles. The development of metal sulfides reinforcing mainly copper sulfide and zinc sulfide nanomaterials as multifunctional nanofillers in bio-based films for active packaging applications has been comprehensively reviewed. As the recognition of metal sulfide nanoparticles as a functional filler increases, the development and application potential of active packaging films using them is expected to increase.
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Affiliation(s)
- Swarup Roy
- School of Bioengineering and Food Technology, Shoolini University, Solan, Himachal Pradesh, India
| | - Parya Ezati
- Department of Food and Nutrition, BioNanocomposite Research Institute, Kyung Hee University, Seoul, Republic of Korea
| | - Ruchir Priyadarshi
- Department of Food and Nutrition, BioNanocomposite Research Institute, Kyung Hee University, Seoul, Republic of Korea
| | - Deblina Biswas
- School of Bioengineering and Food Technology, Shoolini University, Solan, Himachal Pradesh, India
| | - Jong-Whan Rhim
- Department of Food and Nutrition, BioNanocomposite Research Institute, Kyung Hee University, Seoul, Republic of Korea
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Design, Synthesis, Characterization, Catalytic, Fluorometric Sensing, Antimicrobial and Antioxidant Activities of Schiff Base Ligand Capped AgNPs. J Fluoresc 2022; 32:2363-2378. [PMID: 36178642 DOI: 10.1007/s10895-022-03026-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 09/02/2022] [Indexed: 10/14/2022]
Abstract
In recent days, the usage of biological and non-biological pollutants increased which poses a significant threat to environmental and biological systems. Therefore, the present aim is to develop effective methods to treat such pollutants by using highly stable and small-sized Schiff base ligand capped silver nanoparticles (AgNPs) with a face-centered cubic (fcc) crystalline structure and the size range is 5-10 nm. The potent role of the resulting synthesized AgNPs was found to be on multiple platforms such as catalyst, sensor, antioxidant, and antimicrobial disinfectant. The synthesized AgNPs were characterized through UV-vis spectroscopy, PL, FTIR, XRD, SEM, and TEM. The FTIR spectrum of AgNPs exhibited the interacted functional groups of Schiff base and size was estimated by XRD and TEM. AgNPs were able to catalytically degrade approximately 95% of methylene blue (MB), rhodamine B (RhB), and eosin Y (EY) dyes within 80 min of reaction time using NaBH4. The fluorometric sensor studies of synthesized AgNPs showed selective sensing of the potentially hazardous Fe2+ ion in water. As an antimicrobial agent, the AgNPs are effective against both Gram-positive and Gram-negative bacteria; as well as fungi, with the zones of clearance as approximately compatible with standard drugs. The AgNPs displayed a greater ability to scavenge free radicals, especially DPPH when compared with AgNPs and ascorbic acid. Thus, the results of this study validate the triple role of AgNPs derived via a simple synthesis as a catalyst, sensor, antioxidant, and antimicrobial agent for effective environmental remediation.
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11
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Sun X, Zhang RY, Zhang F, Hou XL, Cheng K, Li CQ, Xie XT, Zhong ZT, Zhang B, Yang XQ, Chen W, Liu B, Xu QR, Zhao YD. Multifunctional nanocarrier with self-catalytic production of nitric oxide for photothermal and gas-combined therapy of tumor. J Colloid Interface Sci 2022; 621:77-90. [PMID: 35452931 DOI: 10.1016/j.jcis.2022.04.055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 04/07/2022] [Accepted: 04/08/2022] [Indexed: 11/18/2022]
Abstract
Single treatment often faces the problem that it cannot completely eradicate tumor and inhibit the tumor metastasis. In order to overcome this shortcoming, multi-modal tumor treatment has attracted widespread attention. In the present article, based on ascorbyl palmitate (PA) and l-arginine (l-Arg), a multifunctional nanocarrier is designed for synergetic treatment of tumor with photothermal and nitric oxide (NO) gas therapy. Firstly, PA and l-Arg were self-assembled to form novel functional micelles, PL, with high biosafety using electrostatic interaction and hydrogen bonding. The functional micelles could self-catalyze to produce NO at the tumor site. Then, Ag2S quantum dots having fluorescence imaging and photothermal properties were encapsulated to obtain the nanocarrier, A@PL. The results show that A@PL had a hydrated size of around 78 nm and presented good stability within 30 d. Moreover, in vitro studies indicate that it was efficient with regards to NO self-generating capacity, whereas the photothermal conversion efficiency was as high as 34% under near-infrared light irradiation. The cytotoxicity results show that, when the concentration of A@PL was as high as 2 mM, the survival rate of 3 T3 cells was still 78.23%, proving that the probe has good safety characteristics. Fluorescence imaging results show that its maximum enrichment can be achieved at the tumor site after tail vein injection for 3 h, and out of the body after 24 h, indicating good internal circulation. The in vivo studies show that the rate of inhibition of tumor using the nanocarrier was as high as 98%, and almost overcame the problem of tumor recurrence caused by single treatment, thus presenting a significant tumor treatment effect. This new multifunctional nanocarrier with self-catalytic production of NO provides a new idea for the efficient treatment of tumors.
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Affiliation(s)
- Xing Sun
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Ruo-Yun Zhang
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Fang Zhang
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Xiao-Lin Hou
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Kai Cheng
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Chao-Qing Li
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Xiao-Ting Xie
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Zi-Tao Zhong
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Bin Zhang
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Xiao-Quan Yang
- Key Laboratory of Biomedical Photonics (HUST), Ministry of Education, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Wei Chen
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Bo Liu
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China
| | - Qiu-Ran Xu
- The Key Laboratory of Tumor Molecular Diagnosis and Individualized Medicine of Zhejiang Province, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou 310014, Zhejiang, PR China.
| | - Yuan-Di Zhao
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China; Key Laboratory of Biomedical Photonics (HUST), Ministry of Education, Huazhong University of Science and Technology, Wuhan 430074, Hubei, PR China.
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12
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Barwant M, Ugale Y, Ghotekar S, Basnet P, Nguyen VH, Pansambal S, Ananda Murthy HC, Sillanpaa M, Bilal M, Oza R, Karande V. Eco-friendly synthesis and characterizations of Ag/AgO/Ag2O nanoparticles using leaf extracts of Solanum elaeagnifolium for antioxidant, anticancer, and DNA cleavage activities. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02178-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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13
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Shahri NNM, Taha H, S A Hamid MH, Kusrini E, Lim JW, Hobley J, Usman A. Antimicrobial activity of silver sulfide quantum dots functionalized with highly conjugated Schiff bases in a one-step synthesis. RSC Adv 2022; 12:3136-3146. [PMID: 35425280 PMCID: PMC8979330 DOI: 10.1039/d1ra08296e] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 01/14/2022] [Indexed: 11/21/2022] Open
Abstract
In the present paper, low-dimensional Ag2S QDs were fabricated for the first time, with four different dithiocarbazate derivative Schiff bases (SB) as capping agents in a one-pot synthesis. These SB-capped Ag2S QDs were almost spherical with an average size range of 4.0 to 5.6 nm, which is slightly smaller than conventional thioglycolic acid (TGA)-capped Ag2S QDs. We demonstrate that the growth of Gram-positive bacteria (Bacillus subtillus and Staphylococcus aureus), Gram-negative bacteria (Escherichia coli and Pseudomonas aeruginosa), and a prevalent fungal pathogen (Candida albicans) are inhibited more when the bacterial and fungal cells were nurtured with the synthesized SB-Ag2S QDs, compared with TGA-Ag2S QDs or free unbound Schiff bases. The minimum inhibitory concentration (MIC) results confirmed that even low concentrations of SB-Ag2S QDs were able to inhibit bacterial (MIC 5-75 μg mL-1) and fungal growth (MIC 80-310 μg mL-1), and in some cases they performed better than streptomycin (8-25 μg mL-1). Lethality bioassay results confirmed that SB-Ag2S QDs were not toxic to brine shrimp (Artemia salina). The results show that capping agents are essential in the design of functional Ag2S QDs, and highlight that Schiff bases provide an excellent opportunity to optimize the biological activities of silver based QDs.
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Affiliation(s)
| | - Hussein Taha
- Environmental and Life Sciences, Faculty of Science, Universiti Brunei Darussalam Jalan Tungku Link Gadong BE1410 Brunei Darussalam
| | - Malai Haniti S A Hamid
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam Jalan Tungku Link Gadong BE1410 Brunei Darussalam
| | - Eny Kusrini
- Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia Kampus Baru UI-Depok 16424 Indonesia
| | - Jun-Wei Lim
- Department of Fundamental and Applied Sciences, HICoE-Centre for Biofuel and Biochemical Research, Institute of Self-Sustainable Building, Universiti Teknologi PETRONAS 32610 Seri Iskandar Perak Darul Ridzuan Malaysia
| | - Jonathan Hobley
- Department of Biomedical Engineering, National Cheng Kung University 1, University Road Tainan City 701 Taiwan ROC
| | - Anwar Usman
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam Jalan Tungku Link Gadong BE1410 Brunei Darussalam
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14
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Balraj G, Gurrapu R, Anil Kumar A, Sumalatha V, Ayodhya D. Facile synthesis and characterization of noble metals decorated g-C3N4 (g-C3N4/Pt and g-C3N4/Pd) nanocomposites for efficient photocatalytic production of Schiff bases. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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15
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Venkatesh D, Deepthi G, Mangatayaru KG, Noorjahan M. Ultrasound-assisted synthesis, spectral and analytical analysis of g-C3N4/CeO2 composites towards catalytic reduction of nitroaromatic compounds & selective fluorescence detection of Hg2+. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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16
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Green synthesis of CeO2 NPs using Manilkara zapota fruit peel extract for photocatalytic treatment of pollutants, antimicrobial, and antidiabetic activities. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100441] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
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17
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Borovaya M, Horiunova I, Plokhovska S, Pushkarova N, Blume Y, Yemets A. Synthesis, Properties and Bioimaging Applications of Silver-Based Quantum Dots. Int J Mol Sci 2021; 22:12202. [PMID: 34830084 PMCID: PMC8620749 DOI: 10.3390/ijms222212202] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/25/2021] [Accepted: 10/27/2021] [Indexed: 12/20/2022] Open
Abstract
Ag-based quantum dots (QDs) are semiconductor nanomaterials with exclusive electrooptical properties ideally adaptable for various biotechnological, chemical, and medical applications. Silver-based semiconductor nanocrystals have developed rapidly over the past decades. They have become a promising luminescent functional material for in vivo and in vitro fluorescent studies due to their ability to emit at the near-infrared (NIR) wavelength. In this review, we discuss the basic features of Ag-based QDs, the current status of classic (chemical) and novel methods ("green" synthesis) used to produce these QDs. Additionally, the advantages of using such organisms as bacteria, actinomycetes, fungi, algae, and plants for silver-based QDs biosynthesis have been discussed. The application of silver-based QDs as fluorophores for bioimaging application due to their fluorescence intensity, high quantum yield, fluorescent stability, and resistance to photobleaching has also been reviewed.
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Affiliation(s)
- Mariya Borovaya
- Institute of Food Biotechnology and Genomics, National Academy of Sciences of Ukraine, Osypovskoho Str. 2a, 04123 Kyiv, Ukraine; (I.H.); (S.P.); (N.P.); (Y.B.); (A.Y.)
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18
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Ayodhya D, Veerabhadram G. One-pot, aqueous synthesis of multifunctional biogenic Ag NPs for efficient 4-NP reduction, Hg2+ detection, bactericidal, and antioxidant activities. INORG NANO-MET CHEM 2020. [DOI: 10.1080/24701556.2020.1857407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Dasari Ayodhya
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, Telangana State, India
| | - Guttena Veerabhadram
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, Telangana State, India
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19
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Jaffri SB, Ahmad KS, Thebo KH, Rehman F. Sustainability consolidation via employment of biomimetic ecomaterials with an accentuated photo-catalytic potential: emerging progressions. REV INORG CHEM 2020. [DOI: 10.1515/revic-2020-0018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Abstract
Environmental pollution produced due to direct and untreated release of toxic organic pollutants such as dyes from the textile industries is not only effect the human life but also contaminates the ecosystem through different transferal modes. Green nanomaterials synthesized by using biological reducing agents offer sustainable, economically viable, facile, rapid and eco-friendly approach with photocatalytic degradation efficiencies >90% for organic dyes over the other traditional technologies. Current review has for the first time comprehensively abridged the suitability of green nanoparticles over chemogenic nanoparticles, the remediative role of these biogenic nanoparticles with major emphasis on the recent progressions in the photocatalysis of different toxic dyes and pollutants. Unlike physicochemically processed nanoparticles, biogenic nanoparticles has profound contribution to the sustainable development goals due to their cleaner and economical synthesis in addition to their detoxifying role. Meticulous review of the publications are strongly suggestive of the adoptability of biogenic nanoparticles at an implementation scale for their auspicious remediative role in addition to facile fabrication, natural reducing agents based synthetic mode, toxicity free and sustainable nature. However, the studies are also indicative of the need for utilization of biogenic synthesis at practical scale to derive maximum sustainability and ecological benefits.
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Affiliation(s)
- Shaan Bibi Jaffri
- Department of Environmental Sciences, Fatima Jinnah Women University , Rawalpindi , Pakistan
| | - Khuram Shahzad Ahmad
- Department of Environmental Sciences, Fatima Jinnah Women University , Rawalpindi , Pakistan
| | - Khalid Hussain Thebo
- University of Chinese Academy of Sciences (UCAS) , Beijing , People’s Republic of China
- Dr. M. Kazi Institute of Chemistry, University of Sindh , Jamshoro , Pakistan
| | - Faisal Rehman
- Department of Electrical Engineering , The Sukkur IBA University , Sukkur , Sindh , Pakistan
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20
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A Comparative Study on Physicochemical, Photocatalytic, and Biological Properties of Silver Nanoparticles Formed Using Extracts of Different Parts of Cudrania tricuspidata. NANOMATERIALS 2020; 10:nano10071350. [PMID: 32664242 PMCID: PMC7407556 DOI: 10.3390/nano10071350] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/07/2020] [Accepted: 07/08/2020] [Indexed: 01/31/2023]
Abstract
Green-synthesized silver nanoparticles (SNPs) have great potential for biomedical applications, due to their distinctive optical, chemical, and catalytic properties. In this study, we aimed to develop green-synthesized SNPs from extracts of Cudrania tricuspidata (CT) roots (CTR), stems (CTS), leaves (CTL), and fruit (CTF) and to evaluate their physicochemical, photocatalytic, and biological properties. CTR, CTS, CTL, and CTF extracts were evaluated and compared for their total phenol and flavonoid content, reducing capacity, and antioxidant activity. The results revealed that CTR, CTS, CTL, and CTF extracts have high phenol and flavonoid content, as well as a powerful antioxidant and reducing capacity. CTR and CTS extracts showed the strongest effects. The results from UV-Vis spectra analysis, dynamic light scattering, high-resolution transmission electron microscopy, energy dispersive spectroscopy, X-ray diffraction, and Fourier-transform infrared spectroscopy showed the successful formation of CT-SNPs with surface morphology, crystallinity, reduction capacity, capsulation, and stabilization. Synthesized CT-SNPs successfully photocatalyzed methylene blue, methyl orange, rhodamine B, and Reactive Black 5 within 20 min. The CTR- and CTS-SNPs showed better antibacterial properties against different pathogenic microbes (Staphylococcus aureus, Bacillus cereus, Escherichia coli, and Salmonella enteritidis) than the CTL- and CTF-SNPs. CTS- and CTR-SNPs showed the most effective cytotoxicity and antiapoptosis properties in human hepatocellular carcinoma cells (HepG2 and SK-Hep-1). CT-SNPs also seemed to be more biologically active than the CT extracts. The results of this study provide evidence of the establishment of CT extract SNPs and their physicochemical, photocatalytic, and biological properties.
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21
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Han R, Peng J, Xiao Y, Hao Y, Jia Y, Qian Z. Ag2S nanoparticles as an emerging single-component theranostic agent. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.03.038] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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22
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Yaqoob AA, Ahmad H, Parveen T, Ahmad A, Oves M, Ismail IMI, Qari HA, Umar K, Mohamad Ibrahim MN. Recent Advances in Metal Decorated Nanomaterials and Their Various Biological Applications: A Review. Front Chem 2020; 8:341. [PMID: 32509720 PMCID: PMC7248377 DOI: 10.3389/fchem.2020.00341] [Citation(s) in RCA: 218] [Impact Index Per Article: 54.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 04/01/2020] [Indexed: 12/11/2022] Open
Abstract
Nanoparticles (nanoparticles) have received much attention in biological application because of their unique physicochemical properties. The metal- and metal oxide-supported nanomaterials have shown significant therapeutic effect in medical science. The mechanisms related to the interaction of nanoparticles with animal and plant cells can be used to establish its significant role and to improve their activity in health and medical applications. Various attempts have been made to discuss the antibiotic resistance and antimicrobial activity of metal-supported nanoparticles. Despite all these developments, there is still a need to investigate their performance to overcome modern challenges. In this regard, the present review examines the role of various types of metal-supported nanomaterials in different areas such as antibacterial, antifungal, anticancer, and so on. Based on the significant ongoing research and applications, it is expected that metal-supported nanomaterials play an outstanding role not only in medical but also in other important areas.
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Affiliation(s)
- Asim Ali Yaqoob
- School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
| | - Hilal Ahmad
- Centre for Nanoscience and Nanotechnology, Jamia Millia Islamia, New Delhi, India
| | | | - Akil Ahmad
- School of Industrial Technology, Universiti Sains Malaysia, Pulau Pinang, Malaysia
| | - Mohammad Oves
- Center of Excellence in Environmental Studies, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Iqbal M. I. Ismail
- Center of Excellence in Environmental Studies, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Chemistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Huda A. Qari
- Center of Excellence in Environmental Studies, King Abdulaziz University, Jeddah, Saudi Arabia
- Department of Biological Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Khalid Umar
- School of Chemical Sciences, Universiti Sains Malaysia, Pulau Pinang, Malaysia
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23
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ZnO-based mutable Ag2S/Ag2O multilayered architectures for organic dye degradation and inhibition of E. coli and B. subtilis. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112472] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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24
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Das P, Karankar VS. New avenues of controlling microbial infections through anti-microbial and anti-biofilm potentials of green mono-and multi-metallic nanoparticles: A review. J Microbiol Methods 2019; 167:105766. [PMID: 31706910 DOI: 10.1016/j.mimet.2019.105766] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 10/31/2019] [Accepted: 10/31/2019] [Indexed: 12/19/2022]
Abstract
Nanoparticles synthesized through the green route deserve special mention because this green technology is not only energy-efficient and cost-effective but also amenable to the environment. Various biological resources have been used for the generation of these 'green nanoparticles'. Biological wastes have also been focused in this direction thereby promoting the value of waste. Reports indicate that green nanoparticles exhibit remarkable antimicrobial activitiesboth singly as well as in combination with standard antibiotics. The current phenomenon of multi-drug resistance has resulted due to indiscriminate administration of high-doses of antibiotics followed by significant toxicity. In the face of this emergence of drug-resistant microbesthe efficacy of green nanoparticles might prove greatly beneficial. Microbial biofilm is another hurdle in the effective treatment of diseases as the microorganismsbeing embedded in the meshwork of the biofilmevade the antimicrobial agents. Nanoparticles may act as a ray of hope on the face of this challenge tooas they not only destroy the biofilms but also lessen the doses of antibiotics requiredwhen administered in combination with the nanoparticles. It should be further noted that the resistance mechanisms exhibited by the microorganisms seem not that relevant for nanoparticles. The current review, to the best of our knowledgefocuses on the structures of these green nanoparticles along with their biomedical potentials. It is interesting to note how a variety of structures are generated by using resources like microbes or plants or plant products and how the structure affects their activities. This study might pave the way for further development in this arena and future work may be taken up in identifying the detailed mechanism by which 'green' synthesis empowers nanoparticles to kill pathogenic microbes.
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Affiliation(s)
- Palashpriya Das
- National Institute of Pharmaceutical Education and Research, Hajipur 844102, Bihar, India.
| | - Vijayshree S Karankar
- National Institute of Pharmaceutical Education and Research, Hajipur 844102, Bihar, India
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25
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Ayodhya D, Veerabhadram G. UV-light-driven photocatalytic degradation and antimicrobial properties of efficient ternary semiconductor CdxAg1–xS nanocomposites. INORG NANO-MET CHEM 2019. [DOI: 10.1080/24701556.2019.1661467] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Dasari Ayodhya
- Department of Chemistry, Osmania University, Hyderabad, Telangana, India
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26
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Ayodhya D, Veerabhadram G. Synthesis and characterization of g-C3N4 nanosheets decorated Ag2S composites for investigation of catalytic reduction of 4-nitrophenol, antioxidant and antimicrobial activities. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.03.048] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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27
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Hecel A, Kolkowska P, Krzywoszynska K, Szebesczyk A, Rowinska-Zyrek M, Kozlowski H. Ag+ Complexes as Potential Therapeutic Agents in Medicine and Pharmacy. Curr Med Chem 2019; 26:624-647. [DOI: 10.2174/0929867324666170920125943] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 07/28/2017] [Accepted: 08/09/2017] [Indexed: 12/17/2022]
Abstract
Silver is a non-essential element with promising antimicrobial and anticancer properties. This work is a detailed summary of the newest findings on the bioinorganic chemistry of silver, with a special focus on the applications of Ag+ complexes and nanoparticles. The coordination chemistry of silver is given a reasonable amount of attention, summarizing the most common silver binding sites and giving examples of such binding motifs in biologically important proteins. Possible applications of this metal and its complexes in medicine, particularly as antibacterial and antifungal agents and in cancer therapy, are discussed in detail. The most recent data on silver nanoparticles are also summarized.
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Affiliation(s)
- Aleksandra Hecel
- Faculty of Chemistry, University of Wroclaw, F. Joliot-Curie 14, 50383 Wroclaw, Poland
| | - Paulina Kolkowska
- Department of Biotechnology, Chemistry and Pharmacy, University of Siena, via A. Moro 2, 53100 Siena, Italy
| | - Karolina Krzywoszynska
- Institute of Cosmetology, Public Higher Medical Professional School in Opole, Katowicka 68, 45060 Opole, Poland
| | - Agnieszka Szebesczyk
- Institute of Cosmetology, Public Higher Medical Professional School in Opole, Katowicka 68, 45060 Opole, Poland
| | | | - Henryk Kozlowski
- Institute of Cosmetology, Public Higher Medical Professional School in Opole, Katowicka 68, 45060 Opole, Poland
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28
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Padil VVT, Wacławek S, Černík M, Varma RS. Tree gum-based renewable materials: Sustainable applications in nanotechnology, biomedical and environmental fields. Biotechnol Adv 2018; 36:1984-2016. [PMID: 30165173 PMCID: PMC6209323 DOI: 10.1016/j.biotechadv.2018.08.008] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 07/22/2018] [Accepted: 08/24/2018] [Indexed: 12/22/2022]
Abstract
The prospective uses of tree gum polysaccharides and their nanostructures in various aspects of food, water, energy, biotechnology, environment and medicine industries, have garnered a great deal of attention recently. In addition to extensive applications of tree gums in food, there are substantial non-food applications of these commercial gums, which have gained widespread attention due to their availability, structural diversity and remarkable properties as 'green' bio-based renewable materials. Tree gums are obtainable as natural polysaccharides from various tree genera possessing exceptional properties, including their renewable, biocompatible, biodegradable, and non-toxic nature and their ability to undergo easy chemical modifications. This review focuses on non-food applications of several important commercially available gums (arabic, karaya, tragacanth, ghatti and kondagogu) for the greener synthesis and stabilization of metal/metal oxide NPs, production of electrospun fibers, environmental bioremediation, bio-catalysis, biosensors, coordination complexes of metal-hydrogels, and for antimicrobial and biomedical applications. Furthermore, polysaccharides acquired from botanical, seaweed, animal, and microbial origins are briefly compared with the characteristics of tree gum exudates.
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Affiliation(s)
- Vinod V T Padil
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, Liberec 1 461 17, Czech Republic.
| | - Stanisław Wacławek
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, Liberec 1 461 17, Czech Republic
| | - Miroslav Černík
- Department of Nanomaterials in Natural Sciences, Institute for Nanomaterials, Advanced Technologies and Innovation, Technical University of Liberec, Studentská 1402/2, Liberec 1 461 17, Czech Republic.
| | - Rajender S Varma
- Water Resource Recovery Branch, Water Systems Division, National Risk Management Research Laboratory, U.S. Environmental Protection Agency, 26 West Martin Luther King Drive, MS 483, Cincinnati, Ohio 45268, USA; Regional Centre of Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacký University in Olomouc, Šlechtitelů 27, 783 71 Olomouc, Czech Republic.
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Abbasi M, Rafique U, Murtaza G, Ashraf MA. Synthesis, characterisation and photocatalytic performance of ZnS coupled Ag2S nanoparticles: A remediation model for environmental pollutants. ARAB J CHEM 2018. [DOI: 10.1016/j.arabjc.2017.12.017] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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30
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Improved corrosion resistance of mild steel against acid activation: Impact of novel Elaeis guineensis and silver nanoparticles. J IND ENG CHEM 2018. [DOI: 10.1016/j.jiec.2018.02.010] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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31
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Ghafoor S, Hussain SZ, Waseem S, Arshad SN. Photo-reduction of heavy metal ions and photo-disinfection of pathogenic bacteria under simulated solar light using photosensitized TiO 2 nanofibers. RSC Adv 2018; 8:20354-20362. [PMID: 35541678 PMCID: PMC9080839 DOI: 10.1039/c8ra01237g] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Accepted: 05/29/2018] [Indexed: 11/21/2022] Open
Abstract
We report the photosensitization of electrospun titania nanofibers, with a mean diameter of 195 nm, by low bandgap silver sulfide nanoparticles of 11-23 nm mean size with the aim of treating heavy metal ions and pathogenic bacteria simultaneously under simulated solar light irradiation. The 17 nm Ag2S/TiO2 nanofibers showed 90% photocatalytic reduction of Cr(vi) at pH of 3 with a pseudo-first order rate constant of 0.016 min-1 which is significantly better than the previously reported for Ag-Ag2S/TiO2 composite particles. The antibacterial capability of the Ag2S/TiO2 nanofibers was evaluated via photo-disinfection of the Gram-positive and Gram-negative bacterial strains. The smallest sized 11 nm Ag2S/TiO2 nanofiber showed the best bactericidal efficiency of 100% and 90.6% against Gram-negative E. coli and Gram-positive S. aureus after 1 h of irradiation, respectively, whereas, only 50% E. coli and 41% S. aureus were found to be inactivated in dark. Furthermore, a UV-O3 treatment of the 11 nm Ag2S/TiO2 nanofibers remarkably enhanced the antibacterial activity where 89% E. coli and 81% S. aureus were inactivated in just 10 min of the irradiation. Enhanced photocatalytic activity is attributed to the efficient charge separation and transfer and reduced electron-hole recombination induced by the effective heterojunction formation between TiO2 and the optimally sized Ag2S nanoparticles. The disinfection nature of the Ag2S nanoparticles, role of the generated hydroxyl species under irradiation, and the cell wall damage mechanism is also discussed. This study demonstrates the potential use of these multifunctional composite TiO2 nanofibers for water remediation.
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Affiliation(s)
- Samina Ghafoor
- Department of Chemistry and Chemical Engineering, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences Lahore 54792 Pakistan
- Institute of Chemistry, University of the Punjab P. O. Box 54590 Lahore Pakistan
| | - Syed Zajif Hussain
- Department of Chemistry and Chemical Engineering, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences Lahore 54792 Pakistan
| | - Sadia Waseem
- Institute of Chemistry, University of the Punjab P. O. Box 54590 Lahore Pakistan
| | - Salman Noshear Arshad
- Department of Chemistry and Chemical Engineering, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences Lahore 54792 Pakistan
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Sadovnikov SI, Rempel AA, Gusev AI. Nanostructured silver sulfide: synthesis of various forms and their application. RUSSIAN CHEMICAL REVIEWS 2018. [DOI: 10.1070/rcr4803] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The results of experimental studies on nanostructured silver sulfide are analyzed and generalized. The influence of small particle size on nonstoichiometry of silver sulfide is discussed. Methods for the synthesis of various forms of nanostructured Ag2S including nanopowders, stable colloidal solutions, quantum dots, core – shell nanoparticles and heteronanostructures are described. The advantages and drawbacks of different synthetic procedures are analyzed. Main fields of application of nanostructured silver sulfide are considered.
The bibliography includes 184 references.
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33
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Ayodhya D, Veerabhadram G. Highly efficient sunlight-driven photocatalytic degradation of organic pollutants and fluorescence detection of Hg2+ using multifunctional GO-Bi2S3 nanostructures. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2018.01.039] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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34
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Ayodhya D, Veerabhadram G. Ternary semiconductor ZnxAg1−xS nanocomposites for efficient photocatalytic degradation of organophosphorus pesticides. Photochem Photobiol Sci 2018; 17:1429-1442. [DOI: 10.1039/c8pp00220g] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Some approaches have been carried out for the degradation of organophosphorus pesticides using simple metal oxide nanostructures. This paper reports a comparison of the photocatalytic activity of ZnS and Ag2S with that of ternary semiconductor Zn0.5Ag0.5S nanocomposites without any surfactant for the degradation of the pesticides MLT, MCP, and CPS under UV light for environmental safety.
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Affiliation(s)
- Dasari Ayodhya
- Department of Chemistry
- Osmania University
- Hyderabad-500007
- India
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35
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Deepika S, Harishkumar R, Dinesh M, Abarna R, Anbalagan M, Roopan SM, Selvaraj CI. Photocatalytic degradation of synthetic food dye, sunset yellow FCF (FD&C yellow no. 6) by Ailanthus excelsa Roxb. possessing antioxidant and cytotoxic activity. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 177:44-55. [PMID: 29049940 DOI: 10.1016/j.jphotobiol.2017.10.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 09/28/2017] [Accepted: 10/09/2017] [Indexed: 12/17/2022]
Abstract
The purpose of our work is to identify the bioactive compounds of bark and leaves extract from Ailanthus excelsa Roxb. and to explore its effectiveness against synthetic food dye. The presence of primary and secondary metabolites was confirmed by carrying out phytochemicals analysis. With the prior knowledge accessible on the indispensable secondary metabolites holding antioxidant and cytotoxicity activity, the quantitative screening of total phenolic and flavonoid content in methanolic and aqueous extract of bark and leaves from Ailanthus excelsa were done. Comparatively, a higher value of flavonoid (161±0.3μg/mg) and phenolic acid content (152.4±0.14μg/mg) was found in bark extract. By FTIR analysis, the characteristic peak was obtained at 1581.63 and 1598.99cm-1 confirmed the presence of functional groups associated to flavonoids and other phenolic groups respectively. In bark extract, 81% of DPPH inhibition was observed when compared to ascorbic acid (standard) 92% of free radical scavenging activity. Bark extract from Ailanthus excelsa exhibited 71% cytotoxicity against HeLa cell line (cervical cancer). In examining the toxicity level of crude extracts with red blood cells (RBC), the bark extract was showed a very less (2.8%) haemolytic activity. They also showed maximum zone of inhibition in antibacterial activity i.e. 13±0.5mm against Escherichia coli culture. At a concentration of 10mg/mL of crude extract from A. excelsa, 55% degradation of sunset yellow dye was observed. It concludes that, the compounds present in the A. excelsa, especially the bark extract showed better photocatalytic, haemolytic, antioxidant, cytotoxicity and antibacterial activity when compared to leaves extract.
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Affiliation(s)
- Subramanyam Deepika
- Department of Biotechnology, School of Biosciences and Technology, VIT University, Vellore 632014, Tamil Nadu, India
| | - Rajendran Harishkumar
- Department of Biotechnology, School of Biosciences and Technology, VIT University, Vellore 632014, Tamil Nadu, India
| | - Murugesan Dinesh
- Department of Biotechnology, School of Biosciences and Technology, VIT University, Vellore 632014, Tamil Nadu, India
| | - Rajadurai Abarna
- Department of Integrative Biology, School of Biosciences and Technology, VIT University, Vellore 632014, Tamil Nadu, India
| | - Moorthy Anbalagan
- Department of Integrative Biology, School of Biosciences and Technology, VIT University, Vellore 632014, Tamil Nadu, India
| | - Selvaraj Mohana Roopan
- Chemistry of Heterocycles & Natural Product Research Laboratory, Department of Chemistry, School of Advanced Sciences, VIT University, Vellore 632 014, Tamil Nadu, India.
| | - Chinnadurai Immanuel Selvaraj
- Department of Biotechnology, School of Biosciences and Technology, VIT University, Vellore 632014, Tamil Nadu, India.
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Preparation, Characterization, Photocatalytic, Sensing and Antimicrobial Studies of Calotropis gigantea Leaf Extract Capped CuS NPs by a Green Approach. J Inorg Organomet Polym Mater 2017. [DOI: 10.1007/s10904-017-0672-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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37
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Green synthesis of biogenic silver nanoparticles using Solanum tuberosum extract and their interaction with human serum albumin: Evidence of “corona” formation through a multi-spectroscopic and molecular docking analysis. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 173:108-119. [DOI: 10.1016/j.jphotobiol.2017.05.015] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Accepted: 05/11/2017] [Indexed: 12/11/2022]
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38
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Nanomaterials made of non-toxic metallic sulfides: A systematic review of their potential biomedical applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 76:1305-1315. [PMID: 28482499 DOI: 10.1016/j.msec.2017.02.120] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 11/24/2016] [Accepted: 02/23/2017] [Indexed: 11/20/2022]
Abstract
Metallic sulfides involve the chemical bonding of one or more sulfur atoms to a metal. Metallic sulfides are cheap, abundant semiconductor materials that can be used for several applications. However, an important and emerging use for non-toxic metallic sulfides in biomedical applications has arisen quickly in the medical field. In this systematic review, the available data from electronic databases were collected according to PRISMA alignments for systematic reviews. This review shows that these metallic sulfides could be promising for biomedical uses and applications. This systematic review is focused primarily on the following compounds: silver sulfide, copper sulfide, and iron sulfide. The aim of this review was to provide a quick reference on synthesis methods, biocompatibility, recent advances and perspectives, with remarks on future improvements. The toxicity of metallic sulfides depends directly on the cytotoxicity of their interactions with cells and tissues. Metallic sulfides have potential biomedical applications due to their antibacterial properties, uses in imaging and diagnostics, therapies such as photothermal therapy and chemotherapy in tumors and cancer cells, drug delivery and the fabrication of biosensors for the sensitive and selective detection of moieties, among others. Although current evidence about metallic sulfide NPs is promising, there are still several issues to be addressed before these NPs can be used in biomedicine. The current review is a brief but significant guide to metallic sulfides and their potential uses in the biomedical field.
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Sadovnikov SI, Gusev AI. Universal Approach to the Synthesis of Silver Sulfide in the Forms of Nanopowders, Quantum Dots, Core‐Shell Nanoparticles, and Heteronanostructures. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600881] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Stanislav I. Sadovnikov
- Institute of Solid State Chemistry Ural Branch of the Russian Academy of Sciences Pervomaiskaya 91 620990 Ekaterinburg Russia
| | - Aleksandr I. Gusev
- Institute of Solid State Chemistry Ural Branch of the Russian Academy of Sciences Pervomaiskaya 91 620990 Ekaterinburg Russia
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40
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Sadovnikov SI, Kuznetsova YV, Rempel AA. Ag2S silver sulfide nanoparticles and colloidal solutions: Synthesis and properties. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.nanoso.2016.06.004] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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41
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Photobiologic-mediated fabrication of silver nanoparticles with antibacterial activity. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2016; 162:93-99. [PMID: 27348063 DOI: 10.1016/j.jphotobiol.2016.06.029] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 06/17/2016] [Accepted: 06/17/2016] [Indexed: 11/21/2022]
Abstract
We present the simple, eco-friendly synthesis of silver nanoparticles (AgNPs) using sunlight or green, red, blue, or white LED light together with Dryopteris crassirhizoma rhizome extract (DCRE) as the reducing and capping agent. The preliminary indication of AgNP production was a color change from yellowish green to brown after light exposure in the presence of DCRE. Optimization of parameters such as pH, inoculum dose, and metal ion concentration played an important role in achieving nanoparticle production in 30min. The spectroscopic and morphological properties of AgNPs were characterized using UV-Vis spectroscopy through the presence of a characteristic surface plasmon resonance (SPR) band for AgNPs, Fourier transform infrared spectroscopy (FT-IR), high-resolution transmission electron microscopy (HR-TEM), and X-ray diffraction (XRD). The FT-IR results indicated that the phytochemical present in DCRE was the probable reducing/capping agent involved in the synthesis of AgNPs, and light radiation enhanced nanoparticle production. HR-TEM revealed that the AgNPs were almost spherical with an average size of 5-60nm under all light sources. XRD studies confirmed the face cubic center (fcc) unit cell structure of AgNPs. The synthesized AgNPs showed good antimicrobial activity against Bacillus cereus and Pseudomonas aeruginosa. This study will bring a new insight in ecofriendly production of metal nanoparticles.
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