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Barreiro C, Albillos SM, García-Estrada C. Penicillium chrysogenum: Beyond the penicillin. ADVANCES IN APPLIED MICROBIOLOGY 2024; 127:143-221. [PMID: 38763527 DOI: 10.1016/bs.aambs.2024.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
Almost one century after the Sir Alexander Fleming's fortuitous discovery of penicillin and the identification of the fungal producer as Penicillium notatum, later Penicillium chrysogenum (currently reidentified as Penicillium rubens), the molecular mechanisms behind the massive production of penicillin titers by industrial strains could be considered almost fully characterized. However, this filamentous fungus is not only circumscribed to penicillin, and instead, it seems to be full of surprises, thereby producing important metabolites and providing expanded biotechnological applications. This review, in addition to summarizing the classical role of P. chrysogenum as penicillin producer, highlights its ability to generate an array of additional bioactive secondary metabolites and enzymes, together with the use of this microorganism in relevant biotechnological processes, such as bioremediation, biocontrol, production of bioactive nanoparticles and compounds with pharmaceutical interest, revalorization of agricultural and food-derived wastes or the enhancement of food industrial processes and the agricultural production.
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Affiliation(s)
- Carlos Barreiro
- Área de Bioquímica y Biología Molecular, Departamento de Biología Molecular, Facultad de Veterinaria, Universidad de León, León, Spain; Instituto de Biología Molecular, Genómica y Proteómica (INBIOMIC), Universidad de León, León, Spain.
| | - Silvia M Albillos
- Área de Bioquímica y Biología Molecular, Departamento de Biotecnología y Ciencia de los Alimentos, Facultad de Ciencias, Universidad de Burgos, Burgos, Spain
| | - Carlos García-Estrada
- Departamento de Ciencias Biomédicas, Facultad de Veterinaria, Universidad de León, León, Spain; Instituto de Biomedicina (IBIOMED), Universidad de León, León, Spain
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Puthiyottil N, Palamparambil A, Kaladi Chondath S, Varanakkottu SN, Menamparambath MM. Interfacial Tension-Impelled Self-Assembly and Morphology Tuning of Poly(3,4-ethylene dioxythiophene)/Tellurium Nanocomposites at Various Liquid/Liquid Interfaces. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37874771 DOI: 10.1021/acsami.3c11726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Compared to the enormous number of nanostructures that have been documented, the variety of nanostructures produced by organic polymerization is rather limited. We devised an unconventional route and a sustainable approach to distribute tellurium nanoparticles (Te NPs) in a poly(3,4-ethylene dioxythiophene) (PEDOT) matrix to form semiconducting organic-inorganic nanocomposites for potential applications in electrochemical sensing. The adopted strategy of in situ liquid/liquid interface-assisted polymerization aids in the formation of intimately tethered Te NPs on the PEDOT polymer chains, thereby preventing the aggregation of Te NPs. The untapped versatility inherent to using biphasic systems for interfacial polymerization is explored at three interface systems of immiscible solvents: chloroform/water, dichloromethane/water, and hexane/water, giving rise to PEDOT/Te nanocomposite (PTeNC) of distinct morphology. Chemical nature, crystallinity, and morphology investigations proved the successful formation of PTeNC in different interface systems. Consequently, the temporal evolution of interfacial tension in the preferential adsorption of nanoparticles and final product morphology was monitored by pendant drop tensiometry. Owing to the role of morphology, PTeNC synthesized at the hexane/water interface showcased the best electrocatalytic behavior toward nonenzymatic detection of l-ascorbic acid, an essential nutritional factor, and a neuromodulator with a limit of detection of 0.66 μM and excellent sensitivity, selectivity, and reproducibility. Hence, we envision that interface-assisted polymerization offers a nascent and robust strategy for encapsulating unusual electrode materials in polymeric matrices.
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Affiliation(s)
- Nesleena Puthiyottil
- Department of Chemistry, National Institute of Technology Calicut, Calicut, Kerala 673601, India
| | - Ananya Palamparambil
- Department of Chemistry, National Institute of Technology Calicut, Calicut, Kerala 673601, India
| | - Subin Kaladi Chondath
- Department of Chemistry, National Institute of Technology Calicut, Calicut, Kerala 673601, India
| | | | - Mini Mol Menamparambath
- Department of Chemistry, National Institute of Technology Calicut, Calicut, Kerala 673601, India
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Wei Y, Yu S, Guo Q, Missen OP, Xia X. Microbial mechanisms to transform the super-trace element tellurium: a systematic review and discussion of nanoparticulate phases. World J Microbiol Biotechnol 2023; 39:262. [PMID: 37507604 PMCID: PMC10382350 DOI: 10.1007/s11274-023-03704-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 07/13/2023] [Indexed: 07/30/2023]
Abstract
Tellurium is a super-trace metalloid on Earth. Owing to its excellent physical and chemical properties, it is used in industries such as metallurgy and manufacturing, particularly of semiconductors and - more recently - solar panels. As the global demand for tellurium rises, environmental issues surrounding tellurium have recently aroused concern due to its high toxicity. The amount of tellurium released to the environment is increasing, and microorganisms play an important role in the biogeochemical cycling of environmental tellurium. This review focuses on novel developments on tellurium transformations driven by microbes and includes the following sections: (1) history and applications of tellurium; (2) toxicity of tellurium; (3) microbial detoxification mechanisms against soluble tellurium anions including uptake, efflux and methods of reduction, and reduced ability to cope with oxidation stress or repair damaged DNA; and (4) the characteristics and applications of tellurium nanoparticles (TeNPs) produced by microbes. This review raises the awareness of microorganisms in tellurium biogeochemical cycling and the growing applications for microbial tellurium nanoparticles.
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Affiliation(s)
- Yuru Wei
- Hubei Key Laboratory of Edible Wild Plants Conservation & Utilization, Hubei Engineering Research Center of Characteristic Wild Vegetable Breeding and Comprehensive Utilization Technology, Huangshi Key Laboratory of Lake Environmental Protection and Sustainable Utilization of Resources, Hubei Normal University, Huangshi, P. R. China
| | - Sihan Yu
- Hubei Key Laboratory of Edible Wild Plants Conservation & Utilization, Hubei Engineering Research Center of Characteristic Wild Vegetable Breeding and Comprehensive Utilization Technology, Huangshi Key Laboratory of Lake Environmental Protection and Sustainable Utilization of Resources, Hubei Normal University, Huangshi, P. R. China
| | - Qian Guo
- Hubei Key Laboratory of Edible Wild Plants Conservation & Utilization, Hubei Engineering Research Center of Characteristic Wild Vegetable Breeding and Comprehensive Utilization Technology, Huangshi Key Laboratory of Lake Environmental Protection and Sustainable Utilization of Resources, Hubei Normal University, Huangshi, P. R. China
| | - Owen P Missen
- Centre for Ore Deposit and Earth Sciences, University of Tasmania, TAS, Private Bag 79, Hobart, 7001, Australia.
| | - Xian Xia
- Hubei Key Laboratory of Edible Wild Plants Conservation & Utilization, Hubei Engineering Research Center of Characteristic Wild Vegetable Breeding and Comprehensive Utilization Technology, Huangshi Key Laboratory of Lake Environmental Protection and Sustainable Utilization of Resources, Hubei Normal University, Huangshi, P. R. China.
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Rachitha P, Krupashree K, Kandikattu HK, Nagaraj G, Alahmadi TA, Alharbi SA, Shanmuganathan R, Brindhadevi K, Raghavendra VB. Nanofabrication of cobalt-tellurium using Allium sativum extract and its protective efficacy against H 2O 2-induced oxidative damage in HaCaT cells. ENVIRONMENTAL RESEARCH 2023; 226:115659. [PMID: 36906266 DOI: 10.1016/j.envres.2023.115659] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 03/03/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
Allium sativum (A. sativum)is well known for its therapeutic and culinary uses. Because of their high medicinal properties, the clove extract was selected to synthesize cobalt-tellurium nanoparticles. The aim of the study was to evaluate the protective activity of the nanofabricated cobalt-tellurium using A. sativum (Co-Tel-As-NPs) against H2O2-induced oxidative damage in HaCaT cells. Synthesized Co-Tel-As-NPs were analyzed using UV-Visible spectroscopy, FT-IR, EDAX, XRD, DLS, and SEM. Various concentrations of Co-Tel-As-NPs were used as a pretreatment on HaCaT cells before H2O2 was added. Then, the cell viability and mitochondrial damage were compared between pretreated and untreated control cells using an array of assays (MTT, LDH, DAPI, MMP, and TEM), and the intracellular ROS, NO, and antioxidant enzyme production were examined. In the present research, Co-Tel-As-NPs at different concentrations (0.5, 1.0, 2.0, and 4.0μg/mL) were tested for toxicity using HaCaT cells. Furthermore, the effect of H2O2 on the viability of HaCaT cells was evaluated using the MTT assay for Co-Tel-As-NPs. Among those, Co-Tel-As-NPs at 4.0 μg/mL showed notable protection; with the same treatment, cell viability was discovered to be 91% and LDH leakage was also significantly decreased. Additionally, the measurement of mitochondrial membrane potential was significantly decreased by Co-Tel-As-NPs pretreatment against H2O2. The recovery of the condensed and fragmented nuclei brought about by the action of Co-Tel-As-NPs was identified using DAPI staining. TEM examination of the HaCaT cells revealed that the Co-Tel-As-NPs had a therapeutic effect against H2O2 keratinocyte damage.
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Affiliation(s)
- Puttasiddaiah Rachitha
- P.G. Department of Biotechnology, Teresian College, Siddarthanagar, Mysore, 570011, India
| | - K Krupashree
- Department of Biochemistry, CSIR- Central Food Technological Research Institute, Mysuru, 570020, Karnataka, India
| | | | - Geetha Nagaraj
- DOS in Biotechnology, University of Mysore, Mysuru, 570006, Karnataka, India
| | - Tahani Awad Alahmadi
- Department of Pediatrics, College of Medicine and King Khalid University Hospital, King Saud University, Medical City, PO Box-2925, Riyadh, 11461, Saudi Arabia
| | - Sulaiman Ali Alharbi
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia
| | - Rajasree Shanmuganathan
- University Centre for Research & Development, Department of Chemistry, Chandigarh University, Mohali, 140103, India
| | - Kathirvel Brindhadevi
- Center for Transdisciplinary Research (CFTR), Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.
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Abd El-Ghany MN, Hamdi SA, Korany SM, Elbaz RM, Farahat MG. Biosynthesis of Novel Tellurium Nanorods by Gayadomonas sp. TNPM15 Isolated from Mangrove Sediments and Assessment of Their Impact on Spore Germination and Ultrastructure of Phytopathogenic Fungi. Microorganisms 2023; 11:microorganisms11030558. [PMID: 36985132 PMCID: PMC10053417 DOI: 10.3390/microorganisms11030558] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 02/17/2023] [Accepted: 02/20/2023] [Indexed: 02/25/2023] Open
Abstract
The biosynthesis of nanoparticles using green technology is emerging as a cost-efficient, eco-friendly and risk-free strategy in nanotechnology. Recently, tellurium nanoparticles (TeNPs) have attracted growing attention due to their unique properties in biomedicine, electronics, and other industrial applications. The current investigation addresses the green synthesis of TeNPs using a newly isolated mangrove-associated bacterium, Gayadomonas sp. TNPM15, and their impact on the phytopathogenic fungi Fusarium oxysporum and Alternaria alternata. The biogenic TeNPs were characterized using transmission electron microscopy (TEM), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), Raman spectroscopy and Fourier transform infrared (FTIR). The results of TEM revealed the intracellular biosynthesis of rod-shaped nanostructures with a diameter range from 15 to 23 nm and different lengths reaching up to 243 nm. Furthermore, the successful formation of tellurium nanorods was verified by SEM-EDX, and the XRD pattern revealed their crystallinity. In addition, the FTIR spectrum provided evidence for the presence of proteinaceous capping agents. The bioinspired TeNPs exhibited obvious inhibitory effect on the spores of both investigated phytopathogens accomplished with prominent ultrastructure alternations, as evidenced by TEM observations. The biogenic TeNPs impeded spore germination of F. oxysporum and A. alternata completely at 48.1 and 27.6 µg/mL, respectively. Furthermore, an increase in DNA and protein leakage was observed upon exposure of fungal spores to the biogenic TeNPs, indicating the disruption of membrane permeability and integrity. Besides their potent influence on fungal spores, the biogenic TeNPs demonstrated remarkable inhibitory effects on the production of various plant cell wall-degrading enzymes. Moreover, the cytotoxicity investigations revealed the biocompatibility of the as-prepared biogenic TeNPs and their low toxicity against the human skin fibroblast (HSF) cell line. The biogenic TeNPs showed no significant cytotoxic effect towards HSF cells at concentrations up to 80 μg/mL, with a half-maximal inhibitory concentration (IC50) value of 125 μg/mL. The present work spotlights the antifungal potential of the biogenic TeNPs produced by marine bacterium against phytopathogenic fungi as a promising candidate to combat fungal infections.
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Affiliation(s)
- Mohamed N. Abd El-Ghany
- Botany and Microbiology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
- Correspondence: or (M.N.A.E.-G.); (M.G.F.)
| | - Salwa A. Hamdi
- Zoology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Shereen M. Korany
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Reham M. Elbaz
- Botany and Microbiology Department, Faculty of Science, Helwan University, Cairo 11795, Egypt
- Department of Biology, College of Science, University of Bisha, P.O. Box 551, Bisha 61922, Saudi Arabia
| | - Mohamed G. Farahat
- Botany and Microbiology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
- Biotechnology Department, Faculty of Nanotechnology for Postgraduate Studies, Sheikh Zayed Branch Campus, Cairo University, Sheikh Zayed City 12588, Egypt
- Correspondence: or (M.N.A.E.-G.); (M.G.F.)
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Pepper-Mediated Green Synthesis of Selenium and Tellurium Nanoparticles with Antibacterial and Anticancer Potential. J Funct Biomater 2022; 14:jfb14010024. [PMID: 36662072 PMCID: PMC9867025 DOI: 10.3390/jfb14010024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/17/2022] [Accepted: 12/24/2022] [Indexed: 01/03/2023] Open
Abstract
The production of nanoparticles for biomedical applications (namely with antimicrobial and anticancer properties) has been significantly hampered using traditional physicochemical approaches, which often produce nanostructures with poor biocompatibility properties requiring post-synthesis functionalization to implement features that such biomedical applications require. As an alternative, green nanotechnology and the synthesis of environmentally friendly nanomaterials have been gaining attention over the last few decades, using living organisms or biomolecules derived from them, as the main raw materials to produce cost-effective, environmentally friendly, and ready-to-be-used nanomaterials. In this article and building upon previous knowledge, we have designed and implemented the synthesis of selenium and tellurium nanoparticles using extracts from fresh jalapeño and habanero peppers. After characterization, in this study, the nanoparticles were tested for both their antimicrobial and anticancer features against isolates of antibiotic-resistant bacterial strains and skin cancer cell lines, respectively. The nanosystems produced nanoparticles via a fast, eco-friendly, and cost-effective method showing different antimicrobial profiles between elements. While selenium nanoparticles lacked an antimicrobial effect at the concentrations tested, those made of tellurium produced a significant antibacterial effect even at the lowest concentration tested. These effects were correlated when the nanoparticles were tested for their cytocompatibility and anticancer properties. While selenium nanoparticles were biocompatible and had a dose-dependent anticancer effect, tellurium-based nanoparticles lacked such biocompatibility while exerting a powerful anti-cancer effect. Further, this study demonstrated a suitable mechanism of action for killing bacteria and cancer cells involving reactive oxygen species (ROS) generation. In summary, this study introduces a new green nanomedicine synthesis approach to create novel selenium and tellurium nanoparticles with attractive properties for numerous biomedical applications.
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Ríos-Silva M, Pérez M, Luraschi R, Vargas E, Silva-Andrade C, Valdés J, Sandoval JM, Vásquez C, Arenas F. Anaerobiosis favors biosynthesis of single and multi-element nanostructures. PLoS One 2022; 17:e0273392. [PMID: 36206251 PMCID: PMC9543976 DOI: 10.1371/journal.pone.0273392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 08/08/2022] [Indexed: 11/18/2022] Open
Abstract
Herein we report the use of an environmental multimetal(loid)-resistant strain, MF05, to biosynthesize single- or multi-element nanostructures under anaerobic conditions. Inorganic nanostructure synthesis typically requires methodologies and conditions that are harsh and environmentally hazardous. Thus, green/eco-friendly procedures are desirable, where the use of microorganisms and their extracts as bionanofactories is a reliable strategy. First, MF05 was entirely sequenced and identified as an Escherichia coli-related strain with some genetic differences from the traditional BW25113. Secondly, we compared the CdS nanostructure biosynthesis by whole-cell in a design defined minimal culture medium containing sulfite as the only sulfur source to obtain sulfide reduction from a low-cost chalcogen reactant. Under anaerobic conditions, this process was greatly favored, and irregular CdS (ex. 370 nm; em. 520-530 nm) was obtained. When other chalcogenites were tested (selenite and tellurite), only spherical Se0 and elongated Te0 nanostructures were observed by TEM and analyzed by SEM-EDX. In addition, enzymatic-mediated chalcogenite (sulfite, selenite, and tellurite) reduction was assessed by using MF05 crude extracts in anaerobiosis; similar results for nanostructures were obtained; however Se0 and Te0 formation were more regular in shape and cleaner (with less background). Finally, the in vitro nanostructure biosynthesis was assessed with salts of Ag, Au, Cd, and Li alone or in combination with chalcogenites. Several single or binary nanostructures were detected. Our results showed that MF05 is a versatile anaerobic bionanofactory for different types of inorganic NS. synthesis.
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Affiliation(s)
- Mirtha Ríos-Silva
- Laboratorio de Microbiología Molecular, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
- Research Center on the Intersection in Plasma Physics, Matter and Complexity, Pmc, Comisión Chilena de Energía Nuclear, Santiago, Chile
| | - Myriam Pérez
- Laboratorio de Microbiología Molecular, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Roberto Luraschi
- Laboratorio de Microbiología Molecular, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Esteban Vargas
- Center for the Development of Nanoscience and Nanotechnology (CEDENNA), Santiago, Chile
| | | | - Jorge Valdés
- Centro de Genómica y Bioinformática, Universidad Mayor, Santiago, Chile
| | | | - Claudio Vásquez
- Laboratorio de Microbiología Molecular, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
| | - Felipe Arenas
- Laboratorio de Microbiología Molecular, Departamento de Biología, Facultad de Química y Biología, Universidad de Santiago de Chile, Santiago, Chile
- * E-mail:
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Novel biosynthesis of tellurium nanoparticles and investigation of their activity against common pathogenic bacteria. J Taibah Univ Med Sci 2022; 18:400-412. [PMID: 37102074 PMCID: PMC10124139 DOI: 10.1016/j.jtumed.2022.10.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 09/17/2022] [Accepted: 10/13/2022] [Indexed: 11/06/2022] Open
Abstract
Objectives Tellurium has received substantial attention for its remarkable properties. This study performed in vitro and in vivo testing of the antibacterial action of tellurium nanoparticles biosynthesized in actinomycetes against methicillin-resistant Staphylococcus aureus (MRSA), a common blood bacterial pathogen. Methods Nine actinomycete isolates were tested for their potential to reduce potassium tellurite (K2TeO3) and form tellurium nanoparticles (TeNPs). The most efficient actinomycete isolate in producing Tellerium nanoparticles was identified through molecular protocols. The generated TeNPs were characterized using UV, TEM, EDX, XRD and FTIR. The bacterial species implicated in bloodstream infections were detected at El Hussein Hospital. Bacterial identification and antibiotic susceptibility testing were performed using Vitek 2. An animal infection model was used to test the efficacy of the produced TeNPs against the most commonly isolated methicillin-resistant S. aureus using survival assays, colony counting, cytokine assessment and biochemical testing. Results The most efficient actinomycete isolate was identified as Streptomyces graminisoli and given the accession number (OL773539). The mean particle size of the produced TeNPs was 21.4 nm, and rods and rosette forms were observed. Methicillin-resistant S. aureus (MRSA) was the main bacterium (60%) causing blood stream infections, and was followed by Escherichia coli (25%) and Klebsiella pneumoniae (15%). The produced TeNPs were tested against MRSA, the bacterium most frequently isolated from blood, and showed a promising action inhibition zone of 24 ± 0.7 mm and an MIC of 50 μg/ml. An animal infection model indicated the promise of TeNPs alone or in combination with standard drugs to combat MRSA in a rat intravenous infection model. Conclusion TeNPs combined with vancomycin have successive impact to combat bacteremia for further verification of results.
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Ghosh S, Sarkar B, Kaushik A, Mostafavi E. Nanobiotechnological prospects of probiotic microflora: Synthesis, mechanism, and applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 838:156212. [PMID: 35623529 DOI: 10.1016/j.scitotenv.2022.156212] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 05/20/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
Nanotechnology-driven solutions have almost touched every aspect of life, such as therapeutics, cosmetics, agriculture, and the environment. Physical and chemical methods for the synthesis of nanoparticles involve hazardous reaction conditions and toxic reducing as well as stabilizing agents. Hence, environmentally benign green routes are preferred to synthesize nanoparticles with tunable size and shape. Bacteria, fungi, algae, and medicinal plants are employed to synthesize gold, silver, copper, zinc, and other nanoparticles. However, very little literature is available on exploring probiotic bacteria for the synthesis of nanoparticles. In view of the background, this review gives the most comprehensive report on the nanobiotechnological potential of probiotic bacteria like Bacillus licheniformis, Bifidobacterium animalis, Brevibacterium linens, Lactobacillus acidophilus, Lactobacillus casei, and others for the synthesis of gold (AuNPs), selenium (SeNPs), silver (AgNPs), platinum (PtNPs), tellurium nanoparticles (TeNPs), zinc oxide (ZnONPs), copper oxide (CuONPs), iron oxide (Fe3O4NPs), and titanium oxide nanoparticles (TiO2NPs). Both intracellular and extracellular synthesis are involved as potential routes for biofabrication of polydispersed nanoparticles that are spherical, rod, or hexagonal in shape. Capsular exopolysaccharide associated carbohydrates such as galactose, glucose, mannose, and rhamnose, cell membrane-associated diglycosyldiacylglycerol (DGDG), 1,2-di-O-acyl-3-O-[O-α-D-galactopyranosyl-(1 → 2)-α-d-glucopyranosyl]glycerol, triglycosyl diacylglycerol (TGDG), NADH-dependent enzymes, amino acids such as cysteine, tyrosine, and tryptophan, S-layer proteins (SLP), lacto-N-triose, and lactic acid play a significant role in synthesis and stabilization of the nanoparticles. The biogenic nanoparticles can be recovered by rational treatment with sodium dodecyl sulfate (SDS) and/or sodium hydroxide (NaOH). Eventually, diverse applications like antibacterial, antifungal, anticancer, antioxidant, and other associated activities of the bacteriogenic nanoparticles are also elaborated. Being more biocompatible and effective, probiotic-generated nanoparticles can be explored as novel nutraceuticals for their ability to ensure sustained release and bioavailability of the loaded bioactive ingredients for diagnosis, targeted drug delivery, and therapy.
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Affiliation(s)
- Sougata Ghosh
- Department of Microbiology, School of Science, RK University, Rajkot, Gujarat, India
| | | | - Ajeet Kaushik
- NanoBioTech Laboratory, Health Systems Engineering, Department of Environmental Engineering, Florida Polytechnic University, Lakeland, FL 33805, USA; School of Engineering, University of Petroleum and Energy Studies (UPES), Dehradun, Uttarakhand, India
| | - Ebrahim Mostafavi
- Stanford Cardiovascular Institute, Stanford University School of Medicine, Stanford, CA, USA; Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA.
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Abdoli M, Mohammadi G, Mansouri K, Khaledian S, Taran M, Martinez F. A review on anticancer, antibacterial and photo catalytic activity of various nanoparticles synthesized by probiotics. J Biotechnol 2022; 354:63-71. [PMID: 35724764 DOI: 10.1016/j.jbiotec.2022.06.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 04/19/2022] [Accepted: 06/14/2022] [Indexed: 11/26/2022]
Abstract
Probiotics are beneficial bacteria that have a significant effect on host health and they are widely used in preventing and treating diseases. Nowadays probiotics are present in food, drug and several commercial complement products. In recent years the use of probiotics in the nanotechnology area, especially in nanoparticle synthesis, has significantly been increased. In this review, after some introduction about probiotic and their advantages, all the nanoparticles produced by probiotics are reviewed and discussed. Furthermore, biosynthetic mechanisms of nanoparticles and its applications in cancer therapy, antibacterial and photo catalytic activities, are also discussed.
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Affiliation(s)
- Mohadese Abdoli
- Nanobiotechnology Department, Faculty of Innovative Science and Technology, Razi University, Kermanshah, Iran; Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ghobad Mohammadi
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran; Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Kamran Mansouri
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Salar Khaledian
- Nanobiotechnology Department, Faculty of Innovative Science and Technology, Razi University, Kermanshah, Iran; Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mojtaba Taran
- Nanobiotechnology Department, Faculty of Innovative Science and Technology, Razi University, Kermanshah, Iran; Department of Biology, Faculty of Science, Razi University, Kermanshah, Iran.
| | - Fleming Martinez
- Grupo de Investigaciones Farmacéutico-Fisicoquímicas, Departamento de Farmacia, Facultad de Ciencias, Universidad Nacional de Colombia, Sede Bogotá, Colombia
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Guleria A, Gandhi VV, Kunwar A, Debnath AK, Adhikari S. Highly stable spherical shaped and blue photoluminescent cyclodextrin-coated tellurium nanocomposites prepared by in situ generated solvated electrons: a rapid green method and mechanistic and anticancer studies. Dalton Trans 2022; 51:6366-6377. [PMID: 35384953 DOI: 10.1039/d2dt00276k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly stable blue photoluminescent tellurium nanocomposites (Te NCs) coated with a molecular assembly of α-cyclodextrin (α-CD) have been prepared by using in situ generated solvated electrons (esol-) in the reaction media. The methodology used is rapid and green as the preparation of colloids was over in a matter of a few seconds and no hazardous agents (reducing or stabilizing) were used. Furthermore, fine control over the size of Te NCs has been demonstrated by simply varying the absorbed irradiation dose. As a matter of fact, the anisotropic property exhibited by tellurium makes it difficult to control the phase and morphology of its nanomaterials. However, unlike the majority of the previous reports, Te NCs formed by the current approach were amorphous and spherical shaped. Another interesting aspect of this work is the cyan-blue photoluminescence (PL) exhibited by the NCs. Systematic photophysical investigations indicated bandgap radiative decay as the origin of photoluminescence. A compositional analysis indicated the presence of Te(0) along with tellurium oxides (TeOx). TGA studies revealed the formation of a dense coating (∼55%) of α-CD molecules on the NCs. Pulse radiolysis-based studies evidenced the formation of Te-based transients by the solvated electron-induced reaction. Importantly, no interference of α-CD was observed in the kinetics of the transient species. Remarkable concentration-dependent killing was observed only in the case of cancerous cells, while no such trend was seen in normal healthy cells. This is a significant observation that can be utilized to achieve differential toxicity of Te nanomaterials in tumor versus normal cells.
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Affiliation(s)
- Apurav Guleria
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India. .,Homi Bhabha National Institute, Trombay, Mumbai 400094, India
| | - Vishwa V Gandhi
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India. .,Homi Bhabha National Institute, Trombay, Mumbai 400094, India
| | - Amit Kunwar
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India. .,Homi Bhabha National Institute, Trombay, Mumbai 400094, India
| | - Anil K Debnath
- Technical Physics Division, Bhabha Atomic Research Centre, Mumbai 400085, India
| | - Soumyakanti Adhikari
- Radiation & Photochemistry Division, Bhabha Atomic Research Centre, Mumbai 400085, India. .,Homi Bhabha National Institute, Trombay, Mumbai 400094, India
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Zambonino MC, Quizhpe EM, Jaramillo FE, Rahman A, Santiago Vispo N, Jeffryes C, Dahoumane SA. Green Synthesis of Selenium and Tellurium Nanoparticles: Current Trends, Biological Properties and Biomedical Applications. Int J Mol Sci 2021; 22:989. [PMID: 33498184 PMCID: PMC7863925 DOI: 10.3390/ijms22030989] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/15/2021] [Accepted: 01/18/2021] [Indexed: 12/17/2022] Open
Abstract
The synthesis and assembly of nanoparticles using green technology has been an excellent option in nanotechnology because they are easy to implement, cost-efficient, eco-friendly, risk-free, and amenable to scaling up. They also do not require sophisticated equipment nor well-trained professionals. Bionanotechnology involves various biological systems as suitable nanofactories, including biomolecules, bacteria, fungi, yeasts, and plants. Biologically inspired nanomaterial fabrication approaches have shown great potential to interconnect microbial or plant extract biotechnology and nanotechnology. The present article extensively reviews the eco-friendly production of metalloid nanoparticles, namely made of selenium (SeNPs) and tellurium (TeNPs), using various microorganisms, such as bacteria and fungi, and plants' extracts. It also discusses the methodologies followed by materials scientists and highlights the impact of the experimental sets on the outcomes and shed light on the underlying mechanisms. Moreover, it features the unique properties displayed by these biogenic nanoparticles for a large range of emerging applications in medicine, agriculture, bioengineering, and bioremediation.
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Affiliation(s)
- Marjorie C. Zambonino
- School of Biological Sciences and Engineering, Yachay Tech University, Hacienda San José s/n, San Miguel de Urcuquí 100119, Ecuador; (M.C.Z.); (E.M.Q.); (F.E.J.); (N.S.V.)
| | - Ernesto Mateo Quizhpe
- School of Biological Sciences and Engineering, Yachay Tech University, Hacienda San José s/n, San Miguel de Urcuquí 100119, Ecuador; (M.C.Z.); (E.M.Q.); (F.E.J.); (N.S.V.)
| | - Francisco E. Jaramillo
- School of Biological Sciences and Engineering, Yachay Tech University, Hacienda San José s/n, San Miguel de Urcuquí 100119, Ecuador; (M.C.Z.); (E.M.Q.); (F.E.J.); (N.S.V.)
| | - Ashiqur Rahman
- Center for Midstream Management and Science, Lamar University, Beaumont, TX 77710, USA;
- Center for Advances in Water and Air Quality & The Dan F. Smith Department of Chemical Engineering, Lamar University, Beaumont, TX 77710, USA;
| | - Nelson Santiago Vispo
- School of Biological Sciences and Engineering, Yachay Tech University, Hacienda San José s/n, San Miguel de Urcuquí 100119, Ecuador; (M.C.Z.); (E.M.Q.); (F.E.J.); (N.S.V.)
| | - Clayton Jeffryes
- Center for Advances in Water and Air Quality & The Dan F. Smith Department of Chemical Engineering, Lamar University, Beaumont, TX 77710, USA;
| | - Si Amar Dahoumane
- School of Biological Sciences and Engineering, Yachay Tech University, Hacienda San José s/n, San Miguel de Urcuquí 100119, Ecuador; (M.C.Z.); (E.M.Q.); (F.E.J.); (N.S.V.)
- Department of Chemical Engineering, Polytechnique Montréal, C.P. 6079, Succ. Centre-ville, Montréal, QC H3C 3A7, Canada
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13
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Zhao X, Oduro PK, Tong W, Wang Y, Gao X, Wang Q. Therapeutic potential of natural products against atherosclerosis: Targeting on gut microbiota. Pharmacol Res 2020; 163:105362. [PMID: 33285231 DOI: 10.1016/j.phrs.2020.105362] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 11/08/2020] [Accepted: 11/28/2020] [Indexed: 12/16/2022]
Abstract
Gut microbiota (GM) has emerged as an essential and integral factor for maintaining human health and affecting pathological outcomes. Metagenomics and metabolomics characterization have furthered gut metagenome's understanding and unveiled that deviation of specific GM community members and GM-dependent metabolites imbalance orchestrate metabolic or cardiovascular diseases (CVDs). Restoring GM ecosystem with nutraceutical supplements keenly prebiotics and probiotics relatively decreases CVDs incidence and overall mortality. In Atherosclerosis, commensal and pathogenic gut microbes correlate with atherogenesis events. GM-dependent metabolites-trimethylamine N-oxide and short-chain fatty acids regulate atherosclerosis-related metabolic processes in opposite patterns to affect atherosclerosis outcomes. Therefore, GM might be a potential therapeutic target for atherosclerosis. In atherogenic animal models, natural products with cardioprotective properties could modulate the GM ecosystem by revitalizing healthier GM phylotypes and abrogating proatherogenic metabolites, paving future research paths for clinical therapeutics.
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Affiliation(s)
- Xin Zhao
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin, China
| | - Patrick Kwabena Oduro
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Wanyu Tong
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yuefei Wang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin, China
| | - Xiumei Gao
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin, China.
| | - Qilong Wang
- Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China; Key Laboratory of Pharmacology of Traditional Chinese Medical Formulae, Ministry of Education, Tianjin, China.
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14
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Machado D, Almeida D, Seabra CL, Andrade JC, Gomes AM, Freitas AC. Nanoprobiotics: When Technology Meets Gut Health. FUNCTIONAL BIONANOMATERIALS 2020. [DOI: 10.1007/978-3-030-41464-1_17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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15
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Gautam M, Park DH, Park SJ, Nam KS, Park GY, Hwang J, Yong CS, Kim JO, Byeon JH. Plug-In Safe-by-Design Nanoinorganic Antibacterials. ACS NANO 2019; 13:12798-12809. [PMID: 31689083 DOI: 10.1021/acsnano.9b04939] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Due to antimicrobial resistance and the adverse health effects that follow broad and inappropriate use of antibacterial agents, new classes of antibacterials with broad and strong bactericidal activity and safety for human use are urgently required globally, increasingly so with the onset of climate change. However, R&D in this field is known to be rarely profitable, unless a cost-effective, flexible, and convenient platform that ensures the production of workable candidate antibacterials can be developed. To address this issue, inorganic nanomaterials have been considered for their bactericidal activities, yet further investigations of composition crystalline modifications and/or surface biomaterial coatings are still required to provide effective and safe antibacterial nanoparticles. In this study, we developed a plug-in system comprising a spark plasma reactor and a flow heater under nitrogen gas flow to supply precursor inorganic nanoparticles (Cu-Te configuration) that can be modulated in-flight at different temperatures. From antibacterial and toxicological assays in both in vitro and in vivo models, bactericidal and toxicological profiles showed that the plug-in system-based platform can be used to identify key parameters for producing safe-by-design agents with antibacterial activity [>88% (in vitro) and >80% (in vivo) in antibacterial efficiency] and safety (>65% in in vitro viability and >60% in in vivo survival rate).
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Affiliation(s)
- Milan Gautam
- College of Pharmacy , Yeungnam University , Gyeongsan 38541 , Republic of Korea
| | - Dae Hoon Park
- School of Mechanical Engineering , Yonsei University , Seoul 03722 , Republic of Korea
| | - Sung Jae Park
- School of Mechanical Engineering , Yonsei University , Seoul 03722 , Republic of Korea
| | - Kang Sik Nam
- School of Mechanical Engineering , Yonsei University , Seoul 03722 , Republic of Korea
| | - Geun Young Park
- School of Mechanical Engineering , Yonsei University , Seoul 03722 , Republic of Korea
| | - Jungho Hwang
- School of Mechanical Engineering , Yonsei University , Seoul 03722 , Republic of Korea
| | - Chul Soon Yong
- College of Pharmacy , Yeungnam University , Gyeongsan 38541 , Republic of Korea
| | - Jong Oh Kim
- College of Pharmacy , Yeungnam University , Gyeongsan 38541 , Republic of Korea
| | - Jeong Hoon Byeon
- School of Mechanical Engineering , Yeungnam University , Gyeongsan 38541 , Republic of Korea
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16
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Min Y, Seo HJ, Choi JJ, Hahn BD, Moon GD. Dimensional and compositional change of 1D chalcogen nanostructures leading to tunable localized surface plasmon resonances. NANOTECHNOLOGY 2018; 29:345603. [PMID: 29848801 DOI: 10.1088/1361-6528/aac929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
As part of the oxygen family, chalcogen (Se, Te) nanostructures have been considered important elements for various practical fields and further exploited to constitute metal chalcogenides for each targeted application. Here, we report a controlled synthesis of well-defined one-dimensional chalcogen nanostructures such as nanowries, nanorods, and nanotubes by controlling reduction reaction rate to fine-tune the dimension and composition of the products. Tunable optical properties (localized surface plasmon resonances) of these chalcogen nanostructures are observed depending on their morphological, dimensional, and compositional variation.
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Affiliation(s)
- Yuho Min
- Functional Ceramics Department, Powder & Ceramics Division, Korea Institute of Materials Science (KIMS), Changwon, Gyeongnam, 51508, Republic of Korea
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17
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Gupta N, Sharma N, Mathur SK, Chandra R, Nimesh S. Advancement in nanotechnology-based approaches for the treatment and diagnosis of hypercholesterolemia. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2017; 46:188-197. [PMID: 29265888 DOI: 10.1080/21691401.2017.1417863] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Cardiovascular diseases have been the major cause of mortality and morbidity all over the world accounting for more than 80% of the deaths from heart attacks and strokes. Hypercholesterolemia, an autosomal disorder of lipoprotein metabolism is one of the foremost causes of CVDs. An increased level of low-density lipoprotein cholesterol (LDL-C) in the plasma results in the rise of incidence rates in disease patients. Several conventional and combinational therapies have been proposed for lowering the LDL-C levels in the blood. These therapeutic agents are designed to target some crucial molecules that participates in the lipid metabolism such as apolipoprotein B, HMGCoA reductase, proprotein convertase subtilisin/kexin 9, etc. Although these therapies are effective but are associated with certain side effects. This article presents an overview on different conventional and nanotechnology-based approaches for the treatment and diagnosis of hypercholesterolemia. Numerous nanomaterial-based therapies including polymeric nanoparticles, cationic lipids, liposomes, dendrimers and inorganic nanoparticles have been discussed in lowering the cholesterol level along with recent advancement in diagnosis and imaging.
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Affiliation(s)
- Nidhi Gupta
- a Department of Biotechnology , The IIS University , Jaipur , India
| | - Nikita Sharma
- b Department of Biotechnology , Central University of Rajasthan , Ajmer , India
| | - Sandeep K Mathur
- c Department of Endocrinology , SMS Medical College and Hospitals , Jaipur , India
| | - Ramesh Chandra
- d Department of Chemistry , University of Delhi , Delhi , India
| | - Surendra Nimesh
- b Department of Biotechnology , Central University of Rajasthan , Ajmer , India
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18
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Zare B, Nami M, Shahverdi AR. Tracing Tellurium and Its Nanostructures in Biology. Biol Trace Elem Res 2017; 180:171-181. [PMID: 28378115 DOI: 10.1007/s12011-017-1006-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2017] [Accepted: 03/28/2017] [Indexed: 12/15/2022]
Abstract
Tellurium (Te) is a semimetal rare element in nature. Together with oxygen, sulfur (S), and selenium (Se), Te is considered a member of chalcogen group. Over recent decades, Te applications continued to emerge in different fields including metallurgy, glass industry, electronics, and applied chemical industries. Along these lines, Te has recently attracted research attention in various fields. Though Te exists in biologic organisms such as microbes, yeast, and human body, its importance and role and some of its potential implications have long been ignored. Some promising applications of Te using its inorganic and organic derivatives including novel Te nanostructures are being introduced. Before discovery and straightforward availability of antibiotics, Te had considered and had been used as an antibacterial element. Antilishmaniasis, antiinflammatory, antiatherosclerotic, and immuno-modulating properties of Te have been described for many years, while the innovative applications of Te have started to emerge along with nanotechnological advances over the recent years. Te quantum dots (QDs) and related nanostructures have proposed novel applications in the biological detection systems such as biosensors. In addition, Te nanostructures are used in labeling, imaging, and targeted drug delivery systems and are tested for antibacterial or antifungal properties. In addition, Te nanoparticles show novel lipid-lowering, antioxidant, and free radical scavenging properties. This review presents an overview on the novel forms of Te, their potential applications, as well as related toxicity profiles.
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Affiliation(s)
- Bijan Zare
- Department of Medical Biotechnology, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Lane 29, Ghasrdasht Street, Shiraz, 187918989, Iran.
- Pharmaceutical Sciences Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Mohammad Nami
- Department of Neuroscience, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Lane 29, Gasrdasht Street, Shiraz, 187918989, Iran
- Shiraz Neuroscience Research Center, Shiraz University of Medical Sciences, Lane 29, Gasrdasht Street, Shiraz, 187918989, Iran
| | - Ahmad-Reza Shahverdi
- Department of Pharmaceutical Biotechnology and Recombinant Vaccine Research Center, Tehran University of Medical Sciences, School of Pharmacy, Enghelab Avenue, Tehran, Iran
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Yang T, Ke H, Wang Q, Tang Y, Deng Y, Yang H, Yang X, Yang P, Ling D, Chen C, Zhao Y, Wu H, Chen H. Bifunctional Tellurium Nanodots for Photo-Induced Synergistic Cancer Therapy. ACS NANO 2017; 11:10012-10024. [PMID: 28945969 DOI: 10.1021/acsnano.7b04230] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Elemental tellurium (Te) nanoparticles are increasingly important in a variety of applications such as thermoelectricity, photoconductivity, and piezoelectricity. However, they have been explored with limited success in their biomedical use, and thus a tremendous challenge still exists in the exploration of Te nanoparticles that can treat tumors as an effective anticancer agent. Here, we introduce bifunctional Te nanodots with well-defined nanostructure as an effective anticancer agent for photo-induced synergistic cancer therapy with tumor ablation, which is accomplished using hollow albumin nanocages as a nanoreactor. Under near-infrared light irradiation, Te nanodots can produce effective photothermal conversion, as well as highly reactive oxygen species such as •O2- and dismutated •OH via a type-I mechanism through direct electron transfer, thereby triggering the potent in vivo hyperthermia and simultaneous intracellular reactive oxygen species at tumors. Moreover, Te nanodots possess perfect resistance to photobleaching, effective cytoplasmic translocation, preferable tumor accumulation, as well as in vivo renal elimination, promoting severe photo-induced cell damage and subsequent synergy between photothermal and photodynamic treatments for tumor ablation. These findings provide the insight of elemental Te nanodots for biomedical research.
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Affiliation(s)
| | | | | | - Yong'an Tang
- National Engineering Research Center for Nanomedicine and College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan 430074, China
| | | | | | - Xiangliang Yang
- National Engineering Research Center for Nanomedicine and College of Life Science and Technology, Huazhong University of Science and Technology , Wuhan 430074, China
| | - Peng Yang
- School of Materials Science and Engineering, Yunnan University , Kunming 650071, China
| | - Daishun Ling
- Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Sciences, Zhejiang University , Hangzhou 310058, China
| | - Chunying Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Center of Excellence for Nanosciences, National Center for Nanoscience and Technology of China , Beijing 100190, China
| | - Yuliang Zhao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, Center of Excellence for Nanosciences, National Center for Nanoscience and Technology of China , Beijing 100190, China
| | - Hong Wu
- School of Pharmacy, Air Force Military Medical University , Xi'an 710032, China
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