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Santa Maria de la Parra L, Romo AIB, Rodríguez-López J, Nascimento OR, Echeverría GA, Piro OE, León IE. Promising Dual Anticancer and Antimetastatic Action by a Cu(II) Complex Derived from Acylhydrazone on Human Osteosarcoma Models. Inorg Chem 2024; 63:4925-4938. [PMID: 38442008 DOI: 10.1021/acs.inorgchem.3c04085] [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: 03/07/2024]
Abstract
Osteosarcoma cancers are becoming more common in children and young adults, and existing treatments have low efficacy and a very high mortality rate, making it pressing to search for new chemotherapies with high efficacy and high selectivity index. Copper complexes have shown promise in the treatment of osteosarcoma. Here, we report the synthesis, characterization, and anticancer activity of [Cu(N-N-Fur)(NO3)(H2O)] complex where N-N-Fur is (E)-N'-(2-hydroxy-3-methoxybenzylidene)furan-2-carbohydrazide. The [Cu(N-N-Fur)(NO3)(H2O)] complex was characterized via X-ray diffraction and electron spin resonance (ESR), displaying a copper center in a nearly squared pyramid environment with the nitrate ligand acting as a fifth ligand in the coordination sphere. We observed that [Cu(N-N-Fur)(NO3)(H2O)] binds to DNA in an intercalative manner. Anticancer activity on the MG-63 cell line was evaluated in osteosarcoma monolayer (IC50 2D: 1.1 ± 0.1 μM) and spheroids (IC50 3D: 16.3 ± 3.1 μM). Selectivity assays using nontumoral fibroblast (L929 cell line) showed that [Cu(N-N-Fur)(NO3)(H2O)] has selectivity index value of 2.3 compared to cis-diamminedichloroplatinum(II) (CDDP) (SI = 0.3). Additionally, flow cytometry studies demonstrated that [Cu(N-N-Fur)(NO3)(H2O)] inhibits cell proliferation and conveys cells to apoptosis. Cell viability studies of MG-63 spheroids (IC50 = 16.3 ± 3.1 μM) showed that its IC50 value is 4 times lower than for CDDP (IC50 = 65 ± 6 μM). Besides, we found that cell death events mainly occurred in the center region of the spheroids, indicating efficient transport to the microtumor. Lastly, the complex showed dose-dependent reductions in spheroid cell migration from 7.5 to 20 μM, indicating both anticancer and antimetastatic effects.
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Affiliation(s)
- Lucía Santa Maria de la Parra
- CEQUINOR (UNLP, CCT-CONICET La Plata, asociado a CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Blvd. 120 N° 1465, 1900 La Plata, Argentina
| | - Adolfo I B Romo
- Department of Chemistry and Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Champaign 61801, Illinois, United States
| | - Joaquín Rodríguez-López
- Department of Chemistry and Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Champaign 61801, Illinois, United States
| | - Otaciro R Nascimento
- Departamento de Física Interdiciplinar, Instituto de Física de São Carlos, Universidade de São Paulo, CP 369 , CEP 13560-970 São Carlos, SP, Brazil
| | - Gustavo A Echeverría
- Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata and Instituto IFLP (CONICET, CCT-La Plata), C.C. 67, 1900 La Plata, Argentina
| | - Oscar E Piro
- Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata and Instituto IFLP (CONICET, CCT-La Plata), C.C. 67, 1900 La Plata, Argentina
| | - Ignacio E León
- CEQUINOR (UNLP, CCT-CONICET La Plata, asociado a CIC), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Blvd. 120 N° 1465, 1900 La Plata, Argentina
- Cátedra de Fisiopatología, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas, Universidad Nacional de La Plata. 47 y 115, La Plata 1900, Argentina
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Interplay of electronic and geometric structure on Cu phenanthroline, bipyridine and derivative complexes, synthesis, characterization, and reactivity towards oxygen. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Reactivity of a nitrosyl ruthenium complex and its potential impact on the fate of DNA - An in vitro investigation. J Inorg Biochem 2023; 238:112052. [PMID: 36334365 DOI: 10.1016/j.jinorgbio.2022.112052] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/21/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022]
Abstract
The role of metal complexes on facing DNA has been a topic of major interest. However, metallonitrosyl compounds have been poorly investigated regarding their reactivities and interaction with DNA. A nitrosyl compound, cis-[Ru(bpy)2(SO3)(NO)](PF6)(A), showed a variety of promising biological activities catching our attention. Here, we carried out a series of studies involving the interaction and damage of DNA mediated by the metal complex A and its final product after NO release, cis-[Ru(bpy)2(SO3)(H2O](B). The fate of DNA with these metal complexes was investigated upon light or chemical stimuli using electrophoresis, electronic absorption spectroscopy, circular dichroism, size-exclusion resin, mass spectrometry, electron spin resonance (ESR) and viscometry. Since many biological disorders involve the production of oxidizing species, it is important to evaluate the reactivity of these compounds under such conditions as well. Indeed, the metal complex B exhibited important reactivity with H2O2 enabling DNA degradation, with detection of an unusual oxygenated intermediate. ESR spectroscopy detected mainly the DMPO-OOH adduct, which only emerges if H2O2 and O2 are present together. This result indicated HOO• as a key radical likely involved in DNA damage as supported by agarose gel electrophoresis. Notably, the nitrosyl ruthenium complex did not show evidence of direct DNA damage. However, its aqua product should be carefully considered as potentially harmful to DNA deserving further in vivo studies to better address any genotoxicity.
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Barroso-Martínez J, B. Romo AI, Pudar S, Putnam ST, Bustos E, Rodríguez-López J. Real-Time Detection of Hydroxyl Radical Generated at Operating Electrodes via Redox-Active Adduct Formation Using Scanning Electrochemical Microscopy. J Am Chem Soc 2022; 144:18896-18907. [PMID: 36215201 PMCID: PMC9586107 DOI: 10.1021/jacs.2c06278] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Indexed: 11/30/2022]
Abstract
The hydroxyl radical (•OH) is one of the most attractive reactive oxygen species due to its high oxidation power and its clean (photo)(electro)generation from water, leaving no residues and creating new prospects for efficient wastewater treatment and electrosynthesis. Unfortunately, in situ detection of •OH is challenging due to its short lifetime (few ns). Using lifetime-extending spin traps, such as 5,5-dimethyl-1-pyrroline N-oxide (DMPO) to generate the [DMPO-OH]• adduct in combination with electron spin resonance (ESR), allows unambiguous determination of its presence in solution. However, this method is cumbersome and lacks the necessary sensitivity and versatility to explore and quantify •OH generation dynamics at electrode surfaces in real time. Here, we identify that [DMPO-OH]• is redox-active with E0 = 0.85 V vs Ag|AgCl and can be conveniently detected on Au and C ultramicroelectrodes. Using scanning electrochemical microscopy (SECM), a four-electrode technique capable of collecting the freshly generated [DMPO-OH]• from near the electrode surface, we detected its generation in real time from operating electrodes. We also generated images of [DMPO-OH]• production and estimated and compared its generation efficiency at various electrodes (boron-doped diamond, tin oxide, titanium foil, glassy carbon, platinum, and lead oxide). Density functional calculations, ESR measurements, and bulk calibration using the Fenton reaction helped us unambiguously identify [DMPO-OH]• as the source of redox activity. We hope these findings will encourage the rapid, inexpensive, and quantitative detection of •OH for conducting informed explorations of its role in mediated oxidation processes at electrode surfaces for energy, environmental, and synthetic applications.
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Affiliation(s)
- Jaxiry
S. Barroso-Martínez
- Department
of Chemistry, University of Illinois Urbana−Champaign, Urbana, 600 South Mathews Ave., Urbana, Illinois61801, United States
- Centro
de Investigación y Desarrollo Tecnológico en Electroquímica,
S.C. Parque Tecnológico Querétaro, Sanfandila, Pedro Escobedo, 76703Querétaro, Mexico
| | - Adolfo I. B. Romo
- Department
of Chemistry, University of Illinois Urbana−Champaign, Urbana, 600 South Mathews Ave., Urbana, Illinois61801, United States
| | - Sanja Pudar
- Department
of Chemistry, University of Illinois Urbana−Champaign, Urbana, 600 South Mathews Ave., Urbana, Illinois61801, United States
| | - Seth T. Putnam
- Department
of Chemistry, University of Illinois Urbana−Champaign, Urbana, 600 South Mathews Ave., Urbana, Illinois61801, United States
| | - Erika Bustos
- Centro
de Investigación y Desarrollo Tecnológico en Electroquímica,
S.C. Parque Tecnológico Querétaro, Sanfandila, Pedro Escobedo, 76703Querétaro, Mexico
| | - Joaquín Rodríguez-López
- Department
of Chemistry, University of Illinois Urbana−Champaign, Urbana, 600 South Mathews Ave., Urbana, Illinois61801, United States
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Anjomshoa M, Amirheidari B. Nuclease-like metalloscissors: Biomimetic candidates for cancer and bacterial and viral infections therapy. Coord Chem Rev 2022; 458:214417. [PMID: 35153301 PMCID: PMC8816526 DOI: 10.1016/j.ccr.2022.214417] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 01/09/2022] [Indexed: 12/25/2022]
Abstract
Despite the extensive and rapid discovery of modern drugs for treatment of cancer, microbial infections, and viral illnesses; these diseases are still among major global health concerns. To take inspiration from natural nucleases and also the therapeutic potential of metallopeptide antibiotics such as the bleomycin family, artificial metallonucleases with the ability of promoting DNA/RNA cleavage and eventually affecting cellular biological processes can be introduced as a new class of therapeutic candidates. Metal complexes can be considered as one of the main categories of artificial metalloscissors, which can prompt nucleic acid strand scission. Accordingly, biologists, inorganic chemists, and medicinal inorganic chemists worldwide have been designing, synthesizing and evaluating the biological properties of metal complexes as artificial metalloscissors. In this review, we try to highlight the recent studies conducted on the nuclease-like metalloscissors and their potential therapeutic applications. Under the light of the concurrent Covid-19 pandemic, the human need for new therapeutics was highlighted much more than ever before. The nuclease-like metalloscissors with the potential of RNA cleavage of invading viral pathogens hence deserve prime attention.
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de Mendonça ELSS, Fragoso MBT, de Oliveira JM, Xavier JA, Goulart MOF, de Oliveira ACM. Gestational Diabetes Mellitus: The Crosslink among Inflammation, Nitroxidative Stress, Intestinal Microbiota and Alternative Therapies. Antioxidants (Basel) 2022; 11:129. [PMID: 35052633 PMCID: PMC8773111 DOI: 10.3390/antiox11010129] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 12/30/2021] [Accepted: 01/04/2022] [Indexed: 01/09/2023] Open
Abstract
Gestational diabetes mellitus (GDM) is characterized by a set of metabolic complications arising from adaptive failures to the pregnancy period. Estimates point to a prevalence of 3 to 15% of pregnancies. Its etiology includes intrinsic and extrinsic aspects of the progenitress, which may contribute to the pathophysiogenesis of GDM. Recently, researchers have identified that inflammation, oxidative stress, and the gut microbiota participate in the development of the disease, with potentially harmful effects on the health of the maternal-fetal binomial, in the short and long terms. In this context, alternative therapies were investigated from two perspectives: the modulation of the intestinal microbiota, with probiotics and prebiotics, and the use of natural products with antioxidant and anti-inflammatory properties, which may mitigate the endogenous processes of the GDM, favoring the health of the mother and her offspring, and in a future perspective, alleviating this critical public health problem.
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Affiliation(s)
- Elaine Luiza Santos Soares de Mendonça
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Maceio 57072-970, Alagoas, Brazil; (E.L.S.S.d.M.); (M.B.T.F.); (J.M.d.O.); (J.A.X.)
| | - Marilene Brandão Tenório Fragoso
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Maceio 57072-970, Alagoas, Brazil; (E.L.S.S.d.M.); (M.B.T.F.); (J.M.d.O.); (J.A.X.)
| | - Jerusa Maria de Oliveira
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Maceio 57072-970, Alagoas, Brazil; (E.L.S.S.d.M.); (M.B.T.F.); (J.M.d.O.); (J.A.X.)
| | - Jadriane Almeida Xavier
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Maceio 57072-970, Alagoas, Brazil; (E.L.S.S.d.M.); (M.B.T.F.); (J.M.d.O.); (J.A.X.)
| | - Marília Oliveira Fonseca Goulart
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Maceio 57072-970, Alagoas, Brazil; (E.L.S.S.d.M.); (M.B.T.F.); (J.M.d.O.); (J.A.X.)
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7
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Levín P, Balsa LM, Silva CP, Herzog AE, Vega A, Pavez J, León IE, Lemus L. Artificial Chemical Nuclease and Cytotoxic Activity of a Mononuclear Copper(I) Complex and a Related Binuclear Double‐Stranded Helicate. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Pedro Levín
- Departamento Química de los Materiales Facultad de Química y Biología Universidad de Santiago de Chile Av. Libertador B. O'Higgins, 3363 Santiago Chile
| | - Lucía M. Balsa
- Centro de Química Inorgánica (CEQUINOR-CONICET-UNLP) Facultad de Ciencias Exactas Universidad Nacional de La Plata Bv 120 1465 La Plata Argentina
| | - Carlos P. Silva
- Departamento Química de los Materiales Facultad de Química y Biología Universidad de Santiago de Chile Av. Libertador B. O'Higgins, 3363 Santiago Chile
- Soft Matter Research and Technology Center, SMAT-C Santiago Chile
| | - Austin E. Herzog
- Chemistry Department Johns Hopkins University Baltimore MD 21218 USA
| | - Andrés Vega
- Departamento de Ciencias Químicas Facultad de Ciencias Exactas Universidad Andrés Bello Viña del Mar Chile
- Centro para el Desarrollo de Nanociencias y Nanotecnología, CEDENNA Santiago Chile
| | - Jorge Pavez
- Departamento Química de los Materiales Facultad de Química y Biología Universidad de Santiago de Chile Av. Libertador B. O'Higgins, 3363 Santiago Chile
- Soft Matter Research and Technology Center, SMAT-C Santiago Chile
| | - Ignacio E. León
- Centro de Química Inorgánica (CEQUINOR-CONICET-UNLP) Facultad de Ciencias Exactas Universidad Nacional de La Plata Bv 120 1465 La Plata Argentina
| | - Luis Lemus
- Departamento Química de los Materiales Facultad de Química y Biología Universidad de Santiago de Chile Av. Libertador B. O'Higgins, 3363 Santiago Chile
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8
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Romo AIB, Carepo MP, Levín P, Nascimento OR, Díaz DE, Rodríguez-López J, León IE, Bezerra LF, Lemus L, Diógenes ICN. Synergy of DNA intercalation and catalytic activity of a copper complex towards improved polymerase inhibition and cancer cell cytotoxicity. Dalton Trans 2021; 50:11931-11940. [PMID: 34374389 DOI: 10.1039/d1dt01358k] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Improving the binding of metal complexes to DNA to boost cancer cell cytotoxicity requires fine tuning of their structural and chemical properties. Copper has been used as a metal center in compounds containing intercalating ligands due to its ability to catalytically generate reactive oxygen species (ROS), such as hydroxyl radicals (OH˙). We envision the synergy of DNA binding and ROS generation in proximity to target DNA as a powerful chemotherapy treatment. Here, we explore the use of [Cu(2CP-Bz-SMe)]2+ (2CP-Bz-SMe = 1,3-bis(1,10-phenanthrolin-2-yloxy)-N-(4-(methylthio)benzylidene)propan-2-amine) for this purpose by characterizing its cytotoxicity, DNA binding, and ability to affect DNA replication through the polymerase chain reaction - PCR and nuclease assays. We determined the binding (Kb) and Stern-Volmer constants (KSV) for complex-DNA association of 5.8 ± 0.14 × 104 and 1.64 (±0.08), respectively, through absorption titration and competitive fluorescence experiments. These values were superior to those of other Cu-complex intercalators. We hypothesize that the distorted trigonal bipyramidal geometry of [Cu(2CP-Bz-SMe)]2+ allows the phenanthroline fragments to be better accommodated into the DNA double helix. Moreover, the aromaticity of these fragments increases the local hydrophobicity thus increasing the affinity for the hydrophobic domains of DNA. Nuclease assays in the presence of common reducing agents ascorbic acid, nicotinamide adenine dinucleotide, and glutathione showed the effective degradation of DNA due to the in situ generation of OH˙. The [Cu(2CP-Bz-SMe)]2+ complex showed cytotoxicity against the following human cancer cells lines A549, MCF-7, MDA-MB-231 and MG-63 with half maximal inhibitory concentration (IC50) values of 4.62 ± 0.48, 5.20 ± 0.76, 5.70 ± 0.42 and 2.88 ± 0.66 μM, respectively. These low values of IC50, which are promising if compared to that of cisplatin, are ascribed to the synergistic effect of ROS generation with the intercalation ability into the DNA minor grooves and blocking DNA replication. This study introduces new principles for synergizing the chemical and structural properties of intercalation compounds for improved drug-DNA interactions targeting cancer.
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Affiliation(s)
- Adolfo I B Romo
- Departamento de Química Orgânica e Inorgânica, Centro de Ciências, Universidade Federal do Ceará, Cx. Postal 6021, Fortaleza, CE 60451-970, Brasil.
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Hydroxyl Radical Generation by the H2O2/CuII/Phenanthroline System under Both Neutral and Alkaline Conditions: An EPR/Spin-Trapping Investigation. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11020687] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The copper–phenanthroline complex CuI(Phen)2 was the first artificial nuclease studied in biology. The mechanism responsible for this activity involves CuII(Phen)2 and H2O2. Even if H2O2/Cu systems have been extensively studied in biology and oxidative chemistry, most of these studies were carried out at physiological pH only, and little information is available on the generation of radicals by the H2O2/CuII-Phen system. In the context of paper pulp bleaching to improve the bleaching ability of H2O2, this system has been investigated, mostly at alkaline pH, and more recently at near-neutral pH in the case of dyed cellulosic fibers. Hence, this paper aims at studying the production of radicals with the H2O2/CuII-Phen system at near-neutral and alkaline pHs. Using the EPR/spin-trapping method, HO• formation was monitored to understand the mechanisms involved. DMPO was used as a spin-trap to form DMPO–OH in the presence of HO•, and two HO• scavengers were compared to identify the origin of the observed DMPO–OH adduct, as nucleophilic addition of water onto DMPO leads to the same adduct. H2O2 decomposition was enhanced by the addition of CuII–Phen (and only slightly by addition of CuSO4), reaching a level similar to the Fenton reagent at near-neutral pH. This evidences the role of Phen, which improves the effect of CuII by tuning the electronic structure and structural properties of the corresponding CuII complexes.
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Nain A, Tseng YT, Wei SC, Periasamy AP, Huang CC, Tseng FG, Chang HT. Capping 1,3-propanedithiol to boost the antibacterial activity of protein-templated copper nanoclusters. JOURNAL OF HAZARDOUS MATERIALS 2020; 389:121821. [PMID: 31879116 DOI: 10.1016/j.jhazmat.2019.121821] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/27/2019] [Accepted: 12/03/2019] [Indexed: 06/10/2023]
Abstract
We have prepared copper nanoclusters (Cu NCs) in the presence of bovine serum albumin (BSA) and 1,3-propanedithiol (PDT). The PDT/BSA-Cu NCs possess great activities against different types of bacteria, including non-multidrug-resistant bacteria (Escherichia coli, Salmonella Enteritidis, Pseudomonas aeruginosa, and Staphylococcus aureus) and multidrug-resistant bacteria (methicillin-resistant S. aureus). Their minimal inhibitory concentration (MIC) values are at least 242-fold and 10-fold lower than that of the free PDT and BSA-Cu NCs, respectively. The PDT/BSA-Cu NCs are strongly bound to the bacterial membrane, in which they induce the generation of ascorbyl (Asc) and perhydroxyl (HOO) radicals that result in disruption of their membrane integrity. At a concentration of 100-fold higher than their MIC for Escherichia coli, the PDT/BSA-Cu NCs exhibit negligible cytotoxicity towards the tested mammalian cells and show insignificant hemolysis. We have further demonstrated that low-cost PDT/BSA-Cu NCs-coated carbon fiber fabrics (CFFs) are effective against antibacterial growth, showing their great potential for antifouling applications.
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Affiliation(s)
- Amit Nain
- Institute of Physics, Academia Sinica, Taipei, 11529, Taiwan; Nano Science and Technology Program, Taiwan International Graduate Program, Institute of Physics, Academia Sinica, Taipei, 11529, Taiwan; Department of Engineering and System Science, National Tsing Hua University, Hsinchu, 30013, Taiwan; Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan
| | - Yu-Ting Tseng
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan
| | - Shih-Chun Wei
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan
| | | | - Chih-Ching Huang
- Department of Bioscience and Biotechnology, National Taiwan Ocean University, Keelung, 20224, Taiwan; School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan.
| | - Fan-Gang Tseng
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu, 30013, Taiwan; Research Center for Applied Sciences Academia Sinica, Taipei, 11529, Taiwan; Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, 30013, Taiwan.
| | - Huan-Tsung Chang
- Department of Chemistry, National Taiwan University, Taipei, 10617, Taiwan; Department of Chemistry, Chung Yuan Christian University, Chungli District, Taoyuan City, 32023, Taiwan.
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Uttley OF, Brummitt LA, Worrall SD, Edmondson S. Accessible and sustainable Cu(0)-mediated radical polymerisation for the functionalisation of surfaces. Polym Chem 2020. [DOI: 10.1039/d0py00516a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Towards use of environmentally benign solvents and ambient conditions for surface functionalisation by controlled growth of thick cationic polymer brushes.
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Affiliation(s)
- Oliver Frank Uttley
- Department of Materials
- School of Natural Sciences
- University of Manchester
- Manchester
- UK
| | - Leonie Alice Brummitt
- Department of Materials
- School of Natural Sciences
- University of Manchester
- Manchester
- UK
| | - Stephen David Worrall
- Aston Institute of Materials Research
- School of Engineering and Applied Science
- Aston University
- Birmingham
- UK
| | - Steve Edmondson
- Department of Materials
- School of Natural Sciences
- University of Manchester
- Manchester
- UK
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