1
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Hassan A, Iqbal MA, Bhatti HN, Shahid M. N-heterocyclic carbene based Bi-nuclear organoselenium compounds impart a mild biocidal potential compared to their ligands: Synthesis, characterization, computational studies. Comput Biol Chem 2023; 107:107963. [PMID: 37776812 DOI: 10.1016/j.compbiolchem.2023.107963] [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: 07/14/2023] [Revised: 09/18/2023] [Accepted: 09/21/2023] [Indexed: 10/02/2023]
Abstract
N-heterocyclic carbene (NHC) based compounds are remarkably known for astonishing biological potentials. Coordination of metal center with these compounds can substantially improve the biological potential for better efficacy. In this context, three binuclear azolium salts (L1-L3) and subsequent selenium adducts L1Se-L3Se were synthesized and assured through analytical techniques. Synthesized compounds were also simulated through computational approach and results were compared with experimental observations that also relatable with biological potentials. Synthesized compounds were screened against bacterial strains and interestingly, the studied compounds showed good antimicrobial potential with MIC values of 7.01, 10.7 and 10.5 µM for S. Aureus (gram positive bacteria) while 12.5, 11.75 and 14.5 µM against E. Coli (gram negative bacteria). The studied compounds showed good antioxidant activity to scavenge DPPH free radicals among which azolium salts were found better in antioxidant potential (IC50 5.75-6.55 µg/mL) than their respective selenium compounds (IC50 9.50-12.75 µg/mL). The hemolytic assay against red blood cells showed that ligands are least toxic comparative to their Se-adducts and can be further trialed for In Vivo studies.
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Affiliation(s)
- Ahmad Hassan
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad, Pakistan; Organometallic and Coordination Chemistry Laboratory, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan
| | - Muhammad Adnan Iqbal
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad, Pakistan; Organometallic and Coordination Chemistry Laboratory, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan.
| | - Haq Nawaz Bhatti
- Department of Chemistry, University of Agriculture Faisalabad, Faisalabad, Pakistan
| | - Muhammad Shahid
- Department of Biochemistry, University of Agriculture Faisalabad, Faisalabad, Pakistan
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2
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Neshat A, Mahdavi A, Yousefshahi MR, Cheraghi M, Eigner V, Kucerakova M, Dusek M, Rezaie F, Kaboudin B. Heteroleptic Silver(I) and Gold(I) N-Heterocyclic Carbene Complexes: Structural Characterization, Computational Analysis, Tyrosinase Inhibitory, and Biological Effects. Inorg Chem 2023; 62:16710-16724. [PMID: 37788161 DOI: 10.1021/acs.inorgchem.3c01759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Derivatization of (NHC)M-Cl (M = Ag, Au) with selected sulfur donors from the family of dialkyldithiophosphates and bis(2-mercapto-1-methylimidazolyl)borate ligands gave a series of heteroleptic mononuclear complexes. In single-crystal X-ray diffraction analysis, Ag(I) complexes adopted a trigonal planar geometry, while Au(I) complexes are near-linear. TD-DFT and hole-electron analyses of the selected complexes gave insight into the electronic features of the metal complexes. In vitro cellular tests were conducted on the human cancerous breast cell line MCF-7 using 2 and 8. The antibacterial activities of complexes 1, 2, 3, 7, 8, and IPr-Ag-Cl were also screened against Gram-positive (Staphylococcus aureus PTCC 1112) and Gram-negative (Escherichia coli PTCC 1330) bacteria. Antityrosinase and hemolytic effects of the selected compounds were also determined.
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Affiliation(s)
- Abdollah Neshat
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), 444 Prof. Sobouti Blvd., Gava Zang, Zanjan 45137-66731, Iran
| | - Atiyeh Mahdavi
- Department of Biological Sciences, Institute for Advanced Studies in Basic Sciences (IASBS), 444 Prof. Sobouti Blvd., Gava Zang, Zanjan 45137-66731, Iran
| | - Mohammad Reza Yousefshahi
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), 444 Prof. Sobouti Blvd., Gava Zang, Zanjan 45137-66731, Iran
| | - Mahdi Cheraghi
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), 444 Prof. Sobouti Blvd., Gava Zang, Zanjan 45137-66731, Iran
| | - Vaclav Eigner
- Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, Prague 8 18221, The Czech Republic
| | - Monika Kucerakova
- Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, Prague 8 18221, The Czech Republic
| | - Michal Dusek
- Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, Prague 8 18221, The Czech Republic
| | - Forough Rezaie
- Department of Chemistry, Shahid Chamran University of Ahvaz, Ahwaz 6135783151, Iran
| | - Babak Kaboudin
- Department of Chemistry, Institute for Advanced Studies in Basic Sciences (IASBS), 444 Prof. Sobouti Blvd., Gava Zang, Zanjan 45137-66731, Iran
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3
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Ronga L, Varcamonti M, Tesauro D. Structure-Activity Relationships in NHC-Silver Complexes as Antimicrobial Agents. Molecules 2023; 28:molecules28114435. [PMID: 37298911 DOI: 10.3390/molecules28114435] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 05/25/2023] [Accepted: 05/26/2023] [Indexed: 06/12/2023] Open
Abstract
Silver has a long history of antimicrobial activity and received an increasing interest in last decades owing to the rise in antimicrobial resistance. The major drawback is the limited duration of its antimicrobial activity. The broad-spectrum silver containing antimicrobial agents are well represented by N-heterocyclic carbenes (NHCs) silver complexes. Due to their stability, this class of complexes can release the active Ag+ cations in prolonged time. Moreover, the properties of NHC can be tuned introducing alkyl moieties on N-heterocycle to provide a range of versatile structures with different stability and lipophilicity. This review presents designed Ag complexes and their biological activity against Gram-positive, Gram-negative bacteria and fungal strains. In particular, the structure-activity relationships underlining the major requirements to increase the capability to induce microorganism death are highlighted here. Moreover, some examples of encapsulation of silver-NHC complexes in polymer-based supramolecular aggregates are reported. The targeted delivery of silver complexes to the infected sites will be the most promising goal for the future.
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Affiliation(s)
- Luisa Ronga
- Institut des Sciences Analytiques et de Physico-Chimie Pour l'Environnement et les Matériaux, Université de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, 64053 Pau, France
| | - Mario Varcamonti
- Department of Biology, University of Naples "Federico II", Via Cynthia, 80143 Naples, Italy
| | - Diego Tesauro
- Department of Pharmacy and Interuniversity Research Centre on Bioactive Peptides (CIRPeB), University of Naples "Federico II", Via Montesano, 49, 80131 Naples, Italy
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4
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Synthesis, molecular docking and anticancer potential of azolium based salts and their silver complexes: DNA/BSA interaction studies and cell cycle analysis. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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5
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Hassen S, Zouaghi MO, Slimani I, Arfaoui Y, Namık Özdemir, Özdemir I, Gürbüz N, Mansour L, Gatri R, Hamdi N. Synthesis, crystal structures, DFT calculations, and catalytic application in hydrosilylation of acetophenone derivatives with triethylsilane of novel rhoduim-N-heterocyclic carbene (NHCs) complex. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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6
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Mariconda A, Iacopetta D, Sirignano M, Ceramella J, Costabile C, Pellegrino M, Rosano C, Catalano A, Saturnino C, El‐Kashef H, Aquaro S, Sinicropi MS, Longo P. N-Heterocyclic Carbene (NHC) Silver Complexes as Versatile Chemotherapeutic Agents Targeting Human Topoisomerases and Actin. ChemMedChem 2022; 17:e202200345. [PMID: 35904129 PMCID: PMC9804882 DOI: 10.1002/cmdc.202200345] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/28/2022] [Indexed: 01/09/2023]
Abstract
In recent years, the number of people suffering from cancer has risen rapidly and the World Health Organization and U.S. and European governments have identified this pathology as a priority issue. It is known that most bioactive anticancer molecules do not target a single protein but exert pleiotropic effects, simultaneously affecting multiple pathways. In our study, we designed and synthesized a new series of silver N-heterocyclic carbene (NHC) complexes [(NHC)2 Ag]+ [AgX2 ]- (X=iodide or acetate). The new complexes were active against two human breast cancer cell lines, MCF-7 and MDA-MB-231. These compounds showed multiple target actions as anticancer, by inhibiting in vitro the activity of the human topoisomerases I and II and interfering with the cytoskeleton dynamic, as also confirmed by in silico studies. Moreover, the antimicrobial activity of these silver complexes was studied against Gram-positive/negative bacteria. These dual properties provide a two-tiered approach, making these compounds of interest to be further deepened for the development of new chemotherapeutic agents.
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Affiliation(s)
- Annaluisa Mariconda
- Department of ScienceUniversity of BasilicataViale dell'Ateneo Lucano 1085100PotenzaItaly
| | - Domenico Iacopetta
- Department of PharmacyHealthand Nutritional SciencesUniversity of CalabriaVia Pietro Bucci87036Arcavacata diRendeItaly
| | - Marco Sirignano
- Department of Chemistry and BiologyUniversity of SalernoVia Giovanni Paolo II, 132Fisciano84084Italy
| | - Jessica Ceramella
- Department of PharmacyHealthand Nutritional SciencesUniversity of CalabriaVia Pietro Bucci87036Arcavacata diRendeItaly
| | - Chiara Costabile
- Department of Chemistry and BiologyUniversity of SalernoVia Giovanni Paolo II, 132Fisciano84084Italy
| | - Michele Pellegrino
- Department of PharmacyHealthand Nutritional SciencesUniversity of CalabriaVia Pietro Bucci87036Arcavacata diRendeItaly
| | - Camillo Rosano
- Biopolymers and Proteomics IRCCS Ospedale Policlinico San Martino – ISTLargo R. Benzi 1016132GenovaItaly
| | - Alessia Catalano
- Department of Pharmacy-Drug SciencesUniversity of Bari “Aldo Moro”Via Edoardo Orabona 470126BariItaly
| | - Carmela Saturnino
- Department of ScienceUniversity of BasilicataViale dell'Ateneo Lucano 1085100PotenzaItaly
| | | | - Stefano Aquaro
- Department of PharmacyHealthand Nutritional SciencesUniversity of CalabriaVia Pietro Bucci87036Arcavacata diRendeItaly
| | - Maria Stefania Sinicropi
- Department of PharmacyHealthand Nutritional SciencesUniversity of CalabriaVia Pietro Bucci87036Arcavacata diRendeItaly
| | - Pasquale Longo
- Department of Chemistry and BiologyUniversity of SalernoVia Giovanni Paolo II, 132Fisciano84084Italy
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7
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Nadeem RY, Yaqoob M, Yam W, Haque RA, Iqbal MA. Synthesis, characterization and biological evaluation of Bis-benzimidazolium salts and their silver(I)-N-heterocyclic carbene complexes. Med Chem Res 2022. [DOI: 10.1007/s00044-022-02942-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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8
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Blackadar C, Choi KYG, Embree MF, Hennkens HM, Rodríguez-Rodríguez C, Hancock REW, Saatchi K, Häfeli UO. SPECT/CT Imaging of 111Ag for the Preclinical Evaluation of Silver-Based Antimicrobial Nanomedicines. ACS APPLIED MATERIALS & INTERFACES 2022; 14:26382-26393. [PMID: 35653648 DOI: 10.1021/acsami.2c03609] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
With the growing interest in developing silver-based antimicrobials, there is a need to better understand the behavior of silver within biological systems. To address this, we showed that single-photon emission computed tomography (SPECT) is a suitable method to noninvasively image 111Ag-labeled compounds in mice. Formed by neutron irradiation of palladium foil, 111Ag can be rapidly isolated with a high degree of purity and stably incorporated into antimicrobial silver nanoparticles. The imaging showed that nanoparticles are retained in the lungs for up to 48 h following intratracheal instillation, with limited uptake into the systemic circulation or organs of the reticuloendothelial system. Furthermore, in a mouse model of pulmonary Pseudomonas aeruginosa infection, the nanoparticles reduced the bacterial burden by 11.6-fold without inducing the production of pro-inflammatory mediators. Overall, SPECT imaging with 111Ag is a useful tool for noninvasively visualizing the biodistribution of silver-containing compounds in rodents. This knowledge of how silver nanoparticles distribute in vivo can be used to predict their therapeutic efficacy.
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Affiliation(s)
- Colin Blackadar
- Faculty of Pharmaceutical Sciences, University of British Columbia, 2405 Wesbrook Mall, Vancouver, BC V6T1Z3, Canada
| | - Ka-Yee Grace Choi
- Centre for Microbial Diseases and Immunity Research, Department of Microbiology and Immunology, Faculty of Science, University of British Columbia, Vancouver, BC V6T1Z4, Canada
| | - Mary F Embree
- University of Missouri Research Reactor Center (MURR), 13513 Research Park Drive, Columbia, Missouri 65211, United States
| | - Heather M Hennkens
- University of Missouri Research Reactor Center (MURR), 13513 Research Park Drive, Columbia, Missouri 65211, United States
- Department of Chemistry, University of Missouri, 125 Chemistry Building, Columbia, Missouri 65211, United States
| | - Cristina Rodríguez-Rodríguez
- Faculty of Pharmaceutical Sciences, University of British Columbia, 2405 Wesbrook Mall, Vancouver, BC V6T1Z3, Canada
- Department of Physics and Astronomy, University of British Columbia, 6224 Agricultural Road, Vancouver, BC V6T1Z1, Canada
| | - Robert E W Hancock
- Centre for Microbial Diseases and Immunity Research, Department of Microbiology and Immunology, Faculty of Science, University of British Columbia, Vancouver, BC V6T1Z4, Canada
| | - Katayoun Saatchi
- Faculty of Pharmaceutical Sciences, University of British Columbia, 2405 Wesbrook Mall, Vancouver, BC V6T1Z3, Canada
| | - Urs O Häfeli
- Faculty of Pharmaceutical Sciences, University of British Columbia, 2405 Wesbrook Mall, Vancouver, BC V6T1Z3, Canada
- Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen 2100, Denmark
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9
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Neshat A, Akbari-Birgani S, Cheraghi M, Gilanchi S, Reza Yousefshahi M. A novel heteroleptic N-heterocyclic carbene gold(I)-borate complex: synthesis, DFT analysis and cytotoxicity studies. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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10
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Ditta A, Majeed MI, Nawaz H, Iqbal MA, Rashid N, Abubakar M, Akhtar F, Nawaz A, Hameed W, Iqbal M, Bari RZA, Dastgir G. Surface-enhanced Raman spectral investigation of antibacterial activity of zinc 3-chlorobenzoic acid complexes against gram-positive and gram-negative bacteria. Photodiagnosis Photodyn Ther 2022; 39:102941. [DOI: 10.1016/j.pdpdt.2022.102941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 05/18/2022] [Accepted: 05/27/2022] [Indexed: 10/18/2022]
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11
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Synthesis, In silico and in vitro studies of Silver (I)-N heterocyclic carbene complexes. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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12
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Kaloğlu M, Kaloğlu N, Günal S, Özdemir İ. Synthesis of N-heterocyclic carbene-based silver complexes and their antimicrobial properties against bacteria and fungi. J COORD CHEM 2021. [DOI: 10.1080/00958972.2021.2014457] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Murat Kaloğlu
- Faculty of Science and Arts, Department of Chemistry, İnönü University, Malatya, Turkey
- Catalysis Research and Application Center, İnönü University, Malatya, Turkey
| | - Nazan Kaloğlu
- Faculty of Science and Arts, Department of Chemistry, İnönü University, Malatya, Turkey
- Catalysis Research and Application Center, İnönü University, Malatya, Turkey
| | - Selami Günal
- Faculty of Pharmacy, Department of Pharmaceutical Microbiology, İnönü University, Malatya, Turkey
| | - İsmail Özdemir
- Faculty of Science and Arts, Department of Chemistry, İnönü University, Malatya, Turkey
- Catalysis Research and Application Center, İnönü University, Malatya, Turkey
- Drug Application and Research Center, İnönü University, Malatya, Turkey
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13
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Design, DFT studies, antimicrobial and antioxidant potential of Binuclear N-heterocyclic Carbene (NHCs) complexes, Probing the aspect of DNA interaction through In-vitro and In-silico approach. Comput Biol Chem 2021; 95:107591. [PMID: 34702631 DOI: 10.1016/j.compbiolchem.2021.107591] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 10/02/2021] [Accepted: 10/11/2021] [Indexed: 11/24/2022]
Abstract
N-heterocyclic carbene (NHC) adducts have shown remarkable biological potential for numerous medical applications. With an aim to improve biological potential of benzimidazolium salts, newer analogues of benzimidazole and their silver complexes were synthesized and characterized. Synthesized salts (L1-L2) and silver complexes (C1-C2) were confirmed through elemental analysis, UV-visible spectroscopy, FTIR, 1H NMR & 13C NMR spectroscopy. The compounds C1 & C2 were found stable in solution form for studied time period when examined spectroscopically and showed optimum lipophilicity when measured for their partition coefficient through flask shake method. Synthesized compounds showed good antimicrobial potential against gram positive bacterial strain S. Aureus with IC50 2.02±0.12 and 2.11±0.13 µM respectively while 2.11±0.1 and 2.28±0.17 µM against gram negative bacterial strain E. Coli for C1 and C2 respectively. The interaction study of the related compounds with DNA was predicted by molecular docking study, which confirmed that the studied compound C1 (-8.04 kcal/mol) has a higher binding energy than compound C2 (-4.23 kcal/mol); Also, the compound C1 exhibits a better affinity against to DNA than Ethidium bromide (-7.68 kcal/mol) and cisplatin (-6.21 kcal/mol).The claim was practically assured through spectroscopic and viscometeric method which confirmed that compounds have good affinity for DNA with binding constant kb, 5.78×104 M-1 and 6.84×104 M-1 for C1 and C2 respectively.
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14
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Sarfraz RA, Ashraf R, Bedi S, Sardar I. Bioactivity-guided nanoparticle synthesis from Zingiber officinale and Mentha longifolia. BIOINSPIRED BIOMIMETIC AND NANOBIOMATERIALS 2021. [DOI: 10.1680/jbibn.21.00018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
To date, various reports have exhibited the antidiabetic activity of plant extracts, but this activity could be improved through the conversion of plant bioactives into metal nanoparticles. Aqueous plant extracts were prepared from two plants, Zingiber officinale and Mentha longifolia. Silver nanoparticles from aqueous plant extracts were synthesized and characterized through spectroscopic techniques, including ultraviolet–visible spectroscopy and Fourier transform infrared spectroscopy and scanning electron microscopy, in comparison with their respective plant extracts. After successful synthesis, these nanoparticles were evaluated for biological potentials of antioxidant, antimicrobial and antidiabetic activities. The nanoparticles of both plants offered outstanding antidiabetic potential, but the silver nanoparticles of Z. officinale showed the highest inhibition potential of 80.52% to α-amylase even at lower concentrations. The synthesized nanoparticles were found to be better antimicrobial agents against Bacillus subtilis and Escherichia coli as measured through a well diffusion assay as compared with aqueous extracts. These nanoparticles offered antioxidant potential that was better than that of their plant extracts but was slightly lower than that of the positive control gallic acid. This study gives a direction for improvement of the biological activity of plant-based medicine through green synthesis of silver nanoparticles.
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Affiliation(s)
- Raja Adil Sarfraz
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Rizwan Ashraf
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Saira Bedi
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Iqra Sardar
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
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15
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Mnasri A, Mejri A, Al-Hazmy SM, Arfaoui Y, Özdemir I, Gürbüz N, Hamdi N. Silver-N-heterocyclic carbene complexes-catalyzed multicomponent reactions: Synthesis, spectroscopic characterization, density functional theory calculations, and antibacterial study. Arch Pharm (Weinheim) 2021; 354:e2100111. [PMID: 34128256 DOI: 10.1002/ardp.202100111] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 04/27/2021] [Accepted: 04/30/2021] [Indexed: 12/31/2022]
Abstract
Nowadays, silver-N-heterocyclic carbene (silver-NHCs) complexes are widely used in medicinal chemistry due to their low toxic nature toward humans. Due to the success of silver-NHCs in medicinal applications, interest in these compounds is rapidly increasing. Therefore, the interaction of N,N-disubstituted benzimidazolium salts with Ag2 O in dichloromethane to prepare novel Ag(I)-NHCs complexes was carried out at room temperature for 120 h in the absence of light. The obtained complexes were identified and characterized by 1 H and 13 C nuclear magnetic resonance, Fourier-transform infrared, UV-Vis, and elemental analysis techniques. Then, the silver complexes were applied for three-component coupling reactions of aldehydes, amines, and alkynes. The effect of changing the alkyl substituent on the NHCs ligand on the catalytic performance was investigated. In addition, it has been found that the complexes are antimicrobially active and show higher activity than the free ligand. The silver-carbene complexes showed antimicrobial activity against specified microorganisms with MIC values between 0.24 and 62.5 μg/ml. These results showed that the silver-NHC complexes exhibit an effective antimicrobial activity against bacterial and fungal strains. A density functional theory calculation study was performed to identify the stability of the obtained complexes. All geometries were optimized employing an effective core potential basis, such as LANL2DZ for the Ag atom and 6-311+G(d,p) for all the other atoms in the gas phase. Electrostatic potential surfaces and LUMO-HOMO energy were computed. Transition energies and excited-state structures were obtained from the time-dependent density functional theory calculations.
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Affiliation(s)
- Aziza Mnasri
- Research Laboratory of Environmental Sciences and Technologies (LR16ES09), Higher Institute of Environmental Sciences and Technology, University of Carthage, Tunis, Tunisia.,Catalysis Research and Application Center, İnönü University, Malatya, Turkey
| | - Amal Mejri
- Research Laboratory of Environmental Sciences and Technologies (LR16ES09), Higher Institute of Environmental Sciences and Technology, University of Carthage, Tunis, Tunisia
| | - Sadeq M Al-Hazmy
- Department of Chemistry, College of Science, Qassim University, Buraidah, Saudi Arabia
| | - Youssef Arfaoui
- Laboratory of Characterizations, Applications & Modeling of Materials (LR18ES08), Department of Chemistry, Faculty of Sciences, University of Tunis El Manar, Tunis, Tunisia
| | - Ismail Özdemir
- Catalysis Research and Application Center, İnönü University, Malatya, Turkey.,Department of Chemistry, Faculty of Science and Art, İnönü University, Malatya, Turkey
| | - Nevin Gürbüz
- Catalysis Research and Application Center, İnönü University, Malatya, Turkey.,Department of Chemistry, Faculty of Science and Art, İnönü University, Malatya, Turkey
| | - Naceur Hamdi
- Research Laboratory of Environmental Sciences and Technologies (LR16ES09), Higher Institute of Environmental Sciences and Technology, University of Carthage, Tunis, Tunisia.,Department of Chemistry, College of Science and Arts, Qassim University, Ar Rass, Saudi Arabia
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16
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Bal S, Demirci Ö, Şen B, Taşkın Tok T, Taslimi P, Aktaş A, Gök Y, Aygün M, Gülçin İ. Silver
N
‐heterocyclic carbene complexes bearing fluorinated benzyl group: Synthesis, characterization, crystal structure, computational studies, and inhibitory properties against some metabolic enzymes. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6312] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Selma Bal
- Department of Chemistry, Faculty of Science and Arts University of Kahramanmaraş Sütçü Imam Kahramanmaraş Turkey
| | - Özlem Demirci
- Department of Chemistry, Faculty of Science and Arts Inonu University Malatya Turkey
| | - Betül Şen
- Faculty of Science, Department of Physics Dokuz Eylül University İzmir Turkey
| | - Tuğba Taşkın Tok
- Faculty of Arts and Sciences, Department of Chemistry Gaziantep University Gaziantep Turkey
- Institute of Health Sciences, Department of Bioinformatics and Computational Biology Gaziantep University Gaziantep Turkey
| | - Parham Taslimi
- Department of Biotechnology, Faculty of Science Bartin University Bartin Turkey
- Department of Chemistry, Faculty of Science Istinye University Istanbul Turkey
| | - Aydın Aktaş
- Department of Chemistry, Faculty of Science and Arts Inonu University Malatya Turkey
- Vocational School of Health Service Inonu University Malatya Turkey
| | - Yetkin Gök
- Department of Chemistry, Faculty of Science and Arts Inonu University Malatya Turkey
| | - Muhittin Aygün
- Faculty of Science, Department of Physics Dokuz Eylül University İzmir Turkey
| | - İlhami Gülçin
- Faculty of Science, Department of Chemistry Atatürk University Erzurum Turkey
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17
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Bal S, Demirci Ö, Şen B, Taslimi P, Aktaş A, Gök Y, Aygün M, Gülçin İ. PEPPSI type Pd(II)NHC complexes bearing chloro-/fluorobenzyl group: Synthesis, characterization, crystal structures, α-glycosidase and acetylcholinesterase inhibitory properties. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115060] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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18
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Organometallic complexes of neodymium: an overview of synthetic methodologies based on coordinating elements. REV INORG CHEM 2021. [DOI: 10.1515/revic-2020-0019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Abstract
Organometallic complexes of neodymium have unique coordinating ability to form both micro and macromolecules as well as metal-based polymers. These complexes have been reported in different fields and play a tremendous role in luminescence, catalytic, biological and magnetic applications. So, the current study will comprise all possible routes for the synthesis of organometallic complexes of neodymium. Neodymium complexes have been synthesized of single, double, triple and tetra linkages with H, C, N, O as well as S, B, and X. The detailed synthetic routes have been classified into four categories but in brief, neodymium forms complexes by reacting metal chloride, nitrate or oxide (hydrated or dehydrated) as precursor along with appropriate ligand. Most applied solvents for neodymium complexes were Toluene and THF. These complexes required a range of temperature based on the nature of complexes as well as linkages. The authors have surveyed the research work published through 2011–2020 and provide a comprehensive overview to understand the synthetic routes of organometallic complexes of neodymium.
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Synthesis, characterization and bioactivities of dative donor ligand N-heterocyclic carbene (NHC) precursors and their Ag(I)NHC coordination compounds. Polyhedron 2021. [DOI: 10.1016/j.poly.2020.114866] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Kordestani N, Rudbari HA, Fateminia Z, Caljon G, Maes L, Mineo PG, Cordaro A, Mazzaglia A, Scala A, Micale N. Antimicrobial and antiprotozoal activities of silver coordination polymers derived from the asymmetric halogenated Schiff base ligands. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.6079] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | | | | | - Guy Caljon
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH) University of Antwerp Antwerp Belgium
| | - Louis Maes
- Laboratory of Microbiology, Parasitology and Hygiene (LMPH) University of Antwerp Antwerp Belgium
| | - Placido G. Mineo
- Department of Chemical Sciences University of Catania Catania Italy
- Institute of Polymers, Composites and Biomaterials (CNR‐IPCB) Catania Italy
| | - Annalaura Cordaro
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences University of Messina Messina Italy
- CNR‐ISMN c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences University of Messina Messina Italy
| | - Antonino Mazzaglia
- CNR‐ISMN c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences University of Messina Messina Italy
| | - Angela Scala
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences University of Messina Messina Italy
| | - Nicola Micale
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences University of Messina Messina Italy
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Ashraf R, Iqbal MA, Bhatti HN, Janjua MRSA, El‐Naggar M. Bioactivity and DNA/BSA Interactions of Selenium N‐Heterocyclic Carbene Adducts. ChemistrySelect 2020. [DOI: 10.1002/slct.202001990] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Rizwan Ashraf
- Department of Chemistry University of Agriculture Faisalabad 38040, Punjab Pakistan
| | - Muhammad Adnan Iqbal
- Department of Chemistry University of Agriculture Faisalabad 38040, Punjab Pakistan
- Organometallic and Coordination Chemistry Laboratory University of Agriculture Faisalabad 38040, Punjab Pakistan
| | - Haq Nawaz Bhatti
- Department of Chemistry University of Agriculture Faisalabad 38040, Punjab Pakistan
| | | | - Mohamed El‐Naggar
- Department of Chemistry University of Sharjah P. O.Box 27272 Sharjah United Arab Emirates
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