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Idoko ND, Chukwuma IF, Nworah FN, Mba SE, Joshua PE, Nwodo OFC, Abusudah WF, Almohmadi NH, de Waard M. Immunomodulatory effects of epiphytic Loranthus micranthus leaf extracts collected from two host plants: Psidium guajava and Parkia biglobosa. BMC Complement Med Ther 2024; 24:7. [PMID: 38166988 PMCID: PMC10759741 DOI: 10.1186/s12906-023-04282-4] [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: 01/08/2023] [Accepted: 11/28/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Immunological abnormalities are implicated in the pathogenesis of many chronic diseases. Due to the drug-related adverse effects of currently available orthodox immunomodulators, natural immunomodulators are being looked upon as potential agents to replace them in therapeutic regimens. This research aimed to investigate the immunomodulatory potential of L. micranthus extracts epiphytic on Psidium guajava (LMPGE) and Parkia biglobosa (LMPBE). METHODS Phytochemical screening and acute toxicity testing were carried out to identify the phytoconstituents and safety profiles of the extracts. The extracts' innate and adaptive immunomodulatory potentials were determined in experimental animals using in vivo leucocyte mobilization, delayed-type hypersensitivity (DTH) response, hemagglutination antibody titre, and cyclophosphamide-induced myelosuppression models. Levamisole was used as the standard drug throughout the study. RESULTS Compared to LMPBE, LMPGE contained significantly (p < 0.05) more tannins, cyanogenic glycosides, saponins, reducing sugars, glycosides, flavonoids, and alkaloids. Furthermore, the groups treated with the extracts had a significant (p < 0.05) increase in the total number of leucocytes, neutrophils, basophils, and antibody titers relative to the untreated control. In the same way, the treatment raised TLC in cyclophosphamide-intoxicated rats, with 250 mg/kg b. w. of LMPGE and LMPBE recording 9712.50 ± 178.00 and 8000.00 ± 105.00 × 109 /L, respectively, compared to 3425.00 ± 2 5.00 × 109 /L in the untreated group. Overall, LMPGE was more effective. CONCLUSIONS The findings from this study suggest that L. micranthus epiphytic in Psidium guajava and Parkia biglobosa has possible immune stimulating potential.
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Affiliation(s)
- Ngozi Dorathy Idoko
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Nigeria
| | - Ifeoma Felicia Chukwuma
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Nigeria.
| | - Florence Nkechi Nworah
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Nigeria
| | | | - Parker Elijah Joshua
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Nigeria
| | - Okwesilieze Fred Chiletugo Nwodo
- Department of Medical Biochemistry, Faculty of Basic Medical Sciences, College of Medicine Enugu State University of Science and Technology, Enugu, Nigeria
| | - Wafaa Fouzi Abusudah
- Clinical Nutrition Department, College of Applied Medical Sciences, UMM AL-QURA University, Makkah, 24381, Saudi Arabia
| | - Najlaa Hamed Almohmadi
- Clinical Nutrition Department, College of Applied Medical Sciences, UMM AL-QURA University, Makkah, 24381, Saudi Arabia
| | - Michel de Waard
- Smartox Biotechnology, 6 rue des Platanes, 38120, Saint-Egrève, France
- L'institut du thorax, INSERM, CNRS, Univ nantes, F-44007, Nantes, France
- Université de Nice Sophia-Antipolis, LabEx «Ion Channels, Science & Therapeutics, F-06560, Valbonne, France
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Sarfraz M, Nasim MJ, Gruhlke MCH, Handzlik J, Jacob C. To Cut the Mustard: Antimicrobial Activity of Selenocyanates on the Plate and in the Gas Phase. Antibiotics (Basel) 2023; 12:antibiotics12020290. [PMID: 36830201 PMCID: PMC9952309 DOI: 10.3390/antibiotics12020290] [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: 11/20/2022] [Revised: 01/26/2023] [Accepted: 01/28/2023] [Indexed: 02/04/2023] Open
Abstract
Organic selenocyanates (RSeCN) are among the most reactive and biologically active Se species, often exhibiting a pronounced cytotoxic activity against mammalian cells and microorganisms. Various aromatic selenocyanates have been synthesized and, similar to some of the most Reactive Sulfur Species (RSS), such as allicin, found to be active against a range of bacteria, including Escherichia coli, Pseudomonas syringae and Micrococcus luteus, and fungi, including Verticillium dahlia, Verticillium longisporum, Alternaria brassicicola, and Botrytis cinerea, even via the gas phase. The highest antimicrobial activity has been observed for benzyl selenocyanate, which inhibited the growth of all bacteria considerably, even at the lowest tested concentration of 50 µM. Notably, neither the analogues thiocyanate (BTC) nor isothiocyanate (BITC) show any of these activities, rendering this selenium motif rather special in activity and mode of action. Eventually, these findings advocate a range of potential applications of organic selenocyanates in medicine and agriculture.
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Affiliation(s)
- Muhammad Sarfraz
- Department of Plant Physiology, RWTH Aachen University, Worringer Weg 1, 52056 Aachen, Germany
- Division of Bioorganic Chemistry, Saarland University, Campus B2 1, 66123 Saarbruecken, Germany
| | - Muhammad Jawad Nasim
- Division of Bioorganic Chemistry, Saarland University, Campus B2 1, 66123 Saarbruecken, Germany
- Correspondence: (M.J.N.); (C.J.); Tel.: +49-681-302-57335 (M.J.N.); +49-681-302-3129 (C.J.)
| | - Martin C. H. Gruhlke
- Department of Plant Physiology, RWTH Aachen University, Worringer Weg 1, 52056 Aachen, Germany
| | - Jadwiga Handzlik
- Department of Technology and Biotechnology of Drugs, Faculty of Pharmacy, Jagiellonian University Medical College in Kraków, Medyczna 9, 30-688 Cracow, Poland
| | - Claus Jacob
- Division of Bioorganic Chemistry, Saarland University, Campus B2 1, 66123 Saarbruecken, Germany
- Correspondence: (M.J.N.); (C.J.); Tel.: +49-681-302-57335 (M.J.N.); +49-681-302-3129 (C.J.)
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Abraham AM, Wiemann S, Ambreen G, Zhou J, Engelhardt K, Brüßler J, Bakowsky U, Li SM, Mandic R, Pocsfalvi G, Keck CM. Cucumber-Derived Exosome-like Vesicles and PlantCrystals for Improved Dermal Drug Delivery. Pharmaceutics 2022; 14:476. [PMID: 35335851 PMCID: PMC8955785 DOI: 10.3390/pharmaceutics14030476] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/14/2022] [Accepted: 02/16/2022] [Indexed: 01/05/2023] Open
Abstract
(1) Background: Extracellular vesicles (EVs) are considered to be efficient nanocarriers for improved drug delivery and can be derived from mammalian or plant cells. Cucumber-derived EVs are not yet described in the literature. Therefore, the aim of this study was to produce and characterize cucumber-derived EVs and to investigate their suitability to improve the dermal penetration efficacy of a lipophilic active ingredient (AI) surrogate. (2) Methods: The EVs were obtained by classical EVs isolation methods and by high pressure homogenization (HPH). They were characterized regarding their physico-chemical and biopharmaceutical properties. (3) Results: Utilization of classical isolation and purification methods for EVs resulted in cucumber-derived EVs. Their dermal penetration efficacy for the AI surrogate was 2-fold higher when compared to a classical formulation and enabled a pronounced transdermal penetration into the viable dermis. HPH resulted in submicron sized particles composed of a mixture of disrupted plant cells. A successful isolation of pure EVs from this mixture was not possible with classical EVs isolation methods. The presence of EVs was, therefore, proven indirectly. For this, the lipophilic drug surrogate was admixed to the cucumber juice either prior to or after HPH. Admixing of the drug surrogate to the cucumber prior to the HPH resulted in a 1.5-fold increase in the dermal penetration efficacy, whereas the addition of the AI surrogate to the cucumber after HPH was not able to improve the penetration efficacy. (4) Conclusions: Results, therefore, indicate that HPH causes the formation of EVs in which AI can be incorporated. The formation of plant EVs by HPH was also indicated by zeta potential analysis.
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Affiliation(s)
- Abraham M. Abraham
- Department of Pharmaceutics and Biopharmaceutics, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (A.M.A.); (S.W.); (G.A.); (K.E.); (J.B.); (U.B.)
- EVs & MS Research Group, Institute of Biosciences and BioResources (IBBR), National Research Council of Italy, (CNR), 80131 Napoli, Italy;
| | - Sabrina Wiemann
- Department of Pharmaceutics and Biopharmaceutics, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (A.M.A.); (S.W.); (G.A.); (K.E.); (J.B.); (U.B.)
| | - Ghazala Ambreen
- Department of Pharmaceutics and Biopharmaceutics, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (A.M.A.); (S.W.); (G.A.); (K.E.); (J.B.); (U.B.)
- Department of Otorhinolaryngology, Head and Neck Surgery, Campus Marburg, University Hospital Giessen and Marburg, Baldingerstrasse, 35033 Marburg, Germany;
| | - Jenny Zhou
- Department of Pharmaceutical Biology and Biotechnology, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (J.Z.); (S.-M.L.)
| | - Konrad Engelhardt
- Department of Pharmaceutics and Biopharmaceutics, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (A.M.A.); (S.W.); (G.A.); (K.E.); (J.B.); (U.B.)
| | - Jana Brüßler
- Department of Pharmaceutics and Biopharmaceutics, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (A.M.A.); (S.W.); (G.A.); (K.E.); (J.B.); (U.B.)
| | - Udo Bakowsky
- Department of Pharmaceutics and Biopharmaceutics, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (A.M.A.); (S.W.); (G.A.); (K.E.); (J.B.); (U.B.)
| | - Shu-Ming Li
- Department of Pharmaceutical Biology and Biotechnology, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (J.Z.); (S.-M.L.)
| | - Robert Mandic
- Department of Otorhinolaryngology, Head and Neck Surgery, Campus Marburg, University Hospital Giessen and Marburg, Baldingerstrasse, 35033 Marburg, Germany;
| | - Gabriella Pocsfalvi
- EVs & MS Research Group, Institute of Biosciences and BioResources (IBBR), National Research Council of Italy, (CNR), 80131 Napoli, Italy;
| | - Cornelia M. Keck
- Department of Pharmaceutics and Biopharmaceutics, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (A.M.A.); (S.W.); (G.A.); (K.E.); (J.B.); (U.B.)
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Darkal AK, Zuraik MM, Ney Y, Nasim MJ, Jacob C. Unleashing the Biological Potential of Fomes fomentarius via Dry and Wet Milling. Antioxidants (Basel) 2021; 10:antiox10020303. [PMID: 33669445 PMCID: PMC7920468 DOI: 10.3390/antiox10020303] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/02/2021] [Accepted: 02/03/2021] [Indexed: 11/16/2022] Open
Abstract
Fomes fomentarius, usually referred to as tinder conk, is a common wood-based fungus rich in many interesting phytochemicals and with an unique porous structure. Dry or wet ball milling of this sponge on a planetary mill results in small particles with sizes in the range of 10 µm or below. Suspended in water and without preservatives or other stabilizers, the resulting micro-suspensions are sterile for around six days, probably due to the increased temperatures of around 80 °C especially during the wet milling process. The suspensions also exhibit excellent antioxidant activities as determined in the DPPH, ferric reducing antioxidant potential (FRAP) and 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS) assays. In the DPPH assay, IC50 values of 0.02–0.04% w/v and 0.04% w/v were observed for dry and wet milled samples, respectively. In the FRAP assay, IC50 values of <0.02% w/v and 0.04% w/v were observed for dry and wet milled samples, respectively. In contrast, the ABTS assay provided IC50 values of 0.04% w/v and 0.005% w/v, respectively. Notably, this activity is mostly—albeit not exclusively—associated with the highly porous particles and their large surfaces, although some active ingredients also diffuse into the surrounding aqueous medium. Such suspensions of natural particles carrying otherwise insoluble antioxidants on their surfaces provide an interesting avenue to unleash the antioxidant potential of materials such as sponges and barks. As dry milling also enables longer storage and transport, applications in the fields of medicine, nutrition, agriculture, materials and cosmetics are feasible.
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Abraham AM, Alnemari RM, Brüßler J, Keck CM. Improved Antioxidant Capacity of Black Tea Waste Utilizing PlantCrystals. Molecules 2021; 26:molecules26030592. [PMID: 33498623 PMCID: PMC7865903 DOI: 10.3390/molecules26030592] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/09/2021] [Accepted: 01/19/2021] [Indexed: 01/08/2023] Open
Abstract
Antioxidants are recommended to prevent and treat oxidative stress diseases. Plants are a balanced source of natural antioxidants, but the poor solubility of plant active molecules in aqueous media can be a problem for the formulation of pharmaceutical products. The potential of PlantCrystal technology is known to improve the extraction efficacy and antioxidant capacity (AOC) of different plants. However, it is not yet proved for plant waste. Black tea (BT) infusion is consumed worldwide and thus a huge amount of waste occurs as a result. Therefore, BT waste was recycled into PlantCrystals using small-scale bead milling. Their characteristics were compared with the bulk-materials and tea infusion, including particle size and antioxidant capacity (AOC) in-vitro. Waste PlantCrystals possessed a size of about 280 nm. Their AOC increased with decreasing size according to the DPPH (1,1-diphenyl-2-picrylhydrazyl) and ORAC (oxygen radical absorbance capacity) assays. The AOC of the waste increased about nine-fold upon nanonization, leading to a significantly higher AOC than the bulk-waste and showed no significant difference to the infusion and the used standard according to DPPH assay. Based on the results, it is confirmed that the PlantCrystal technology represents a natural, cost-effective plant-waste recycling method and presents an alternative source of antioxidant phenolic compounds.
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Abraham AM, Alnemari RM, Jacob C, Keck CM. PlantCrystals-Nanosized Plant Material for Improved Bioefficacy of Medical Plants. MATERIALS 2020; 13:ma13194368. [PMID: 33008071 PMCID: PMC7578979 DOI: 10.3390/ma13194368] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 09/27/2020] [Accepted: 09/28/2020] [Indexed: 12/31/2022]
Abstract
PlantCrystals are obtained by milling plant material to sizes < 10 µm. Due to the disruption of the plant cells, active compounds are easily released, rendering the PlantCrystal technology an effective and low-cost process for the production of environmentally friendly plant extracts. The extracts can be used to produce phytomedicines, nutritional supplements or cosmetic products. Previous studies could already demonstrate the use of PlantCrystals to improve the antimicrobial or antifungal activity of different plants. This study investigated whether PlantCrystal technology is suitable to produce plant derived formulations with high antioxidant capacity. The study also aimed to identify the most suitable production methods for this. Methods: Various plant materials and parts of plants, i.e., seeds, leaves and flowers, and different methods were employed for the production. PlantCrystals were characterized regarding size, physical stability and antioxidant capacity (AOC). Results: PlantCrystals with particles < 1 µm were produced from the different plant materials. Both production methods, i.e., high-pressure homogenization, bead milling or the combination of both were suitable to obtain PlantCrystals. Nano milling of the plant material greatly affected their AOC and resulted in formulations with distinctly higher AOC when compared to classical extracts. Conclusions: Rendering plant material into small sized particles is highly effective to obtain plant extracts with high biological efficacy.
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Affiliation(s)
- Abraham M. Abraham
- Department of Pharmaceutics and Biopharmaceutics, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (A.M.A.); (R.M.A.)
| | - Reem M. Alnemari
- Department of Pharmaceutics and Biopharmaceutics, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (A.M.A.); (R.M.A.)
| | - Claus Jacob
- Department of Bioorganic Chemistry, Universität des Saarlandes, Campus, Geb. B2.1, 66123 Saarbrücken, Germany;
| | - Cornelia M. Keck
- Department of Pharmaceutics and Biopharmaceutics, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037 Marburg, Germany; (A.M.A.); (R.M.A.)
- Correspondence: ; Tel.: +49-(0)-6421-282-5881
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Ebokaiwe AP, Osawe S, Griffin S, Keck CM, Olusanya O, Ehiri RC. Loranthus micranthus nanoparticles abates streptozotocin-instigated testicular dysfunction in Wistar rats: Involvement of glucose metabolism enzymes, oxido-inflammatory stress, steroidogenic enzymes/protein and Nrf2 pathway. Andrologia 2020; 52:e13749. [PMID: 32672386 DOI: 10.1111/and.13749] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/21/2020] [Accepted: 06/09/2020] [Indexed: 11/26/2022] Open
Abstract
Loranthus micranthus (African mistletoe)-Loranthaceae family, is used in Nigerian traditional medicine for treating male infertility and lowering diabetic blood sugar levels. We investigated possible mechanism(s) involved in mitigation of L. micranthus leaves nanoparticles (LMLNPs) on streptozotocin (STZ)-induced testicular alterations. Type two diabetes mellitus (T2DM) was induced in male rats following 2 weeks feeding with fructose and single intraperitoneal injection of STZ. Control (nondiabetic) and (diabetic) rats received buffer only. Diabetic rats were treated with metformin or LMLNPs (two different doses) for 28 days. Hormonal profile, oxido-inflammatory stress parameters, glucose metabolism and steroidogenic enzymes/regulatory protein (StAR) and Nuclear factor erythroid 2-related factor 2 (Nrf2) protein in testes and sperm parameters were evaluated. Metformin and LMLNPs treatment significantly reduced blood glucose level in diabetic rats. Furthermore, LMLNPs enhanced glucose metabolism and testicular steroidogenic enzymes/protein, increased reproductive hormone levels and sperm functional parameters in diabetic rats. Additionally, LMLNPs suppressed testicular oxido-inflammatory stress biomarkers and inhibited lipid peroxidation in diabetic rats while augmenting Nrf2 pathway. Conclusively, LMLNPs potently reversed adverse effects of T2DM testicular dysfunction of rats. Use of LMLNPs in abating diabetic consequences proves an acceptable alternative to traditional crude extract preparations, as a result of better packaging and preservation.
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Affiliation(s)
- Azubuike Peter Ebokaiwe
- Department of Chemistry/Biochemistry and Molecular Biology, Alex Ekwueme Federal University, Abakaliki, Nigeria
| | - Sharon Osawe
- Department of Biological Sciences, KolaDaisi University, Ibadan, Nigeria
| | - Sharoon Griffin
- Institute of Pharmaceutics and Biopharmaceutics, Philipps University of Marburg, Marburg, Germany
| | - Cornelia M Keck
- Institute of Pharmaceutics and Biopharmaceutics, Philipps University of Marburg, Marburg, Germany
| | | | - Richard C Ehiri
- Department of Chemistry/Biochemistry and Molecular Biology, Alex Ekwueme Federal University, Abakaliki, Nigeria
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Investigation of In Vitro Antioxidant and Antibacterial Potential of Silver Nanoparticles Obtained by Biosynthesis Using Beech Bark Extract. Antioxidants (Basel) 2019; 8:antiox8100459. [PMID: 31597312 PMCID: PMC6827055 DOI: 10.3390/antiox8100459] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 09/25/2019] [Accepted: 10/02/2019] [Indexed: 01/25/2023] Open
Abstract
Green synthesis is one of the rapid and best ways for silver nanoparticles (AgNP) synthesis. In the present study, synthesis and bioactivity of AgNPs has been demonstrated using water beech (Fagus sylvatica L.) bark extract. The physical and chemical factors such as time, metal ion solution, and pH, which play a vital role in the AgNPs synthesis, were assessed. The AgNPs were characterized by ultraviolet-visible (UV-Vis) spectrometry, Fourier transform infrared spectroscopy (FT-IR), and transmission electron microscopy (TEM). Antioxidant and antimicrobial activity of the obtained AgNPs was evaluated. AgNPs were characterized by color change pattern, and the broad peak obtained at 420–475 nm with UV-Vis confirmed the synthesis of AgNPs. FT-IR results confirmed that phenols and proteins of beech bark extract are mainly responsible for capping and stabilization of synthesized AgNPs. TEM micrographs showed spherical or rarely polygonal and triangular particles with an average size of 32 nm at pH = 9, and 62 nm at pH = 4. Furthermore, synthesized AgNPs were found to exhibit antioxidant activity and have antibacterial effect against Staphylococcus aureus, methicillin-resistant Staphylococcus aureus (MRSA), Escherichia coli, and Pseudomonas aeruginosa. These results indicate that bark extract of F. sylvatica L. is suitable for synthesizing stable AgNPs, which act as an excellent antimicrobial agent.
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Nanosized selenium and Loranthus micranthus leaves ameliorate streptozotocin-induced hepato-renal dysfunction in rats via enhancement of antioxidant system, regulation of caspase 3 and Nrf2 protein expression. PHARMANUTRITION 2019. [DOI: 10.1016/j.phanu.2019.100150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Inspired by Nature: Antioxidants and Nanotechnology. Antioxidants (Basel) 2018; 7:antiox7080101. [PMID: 30060602 PMCID: PMC6115953 DOI: 10.3390/antiox7080101] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Accepted: 07/25/2018] [Indexed: 11/16/2022] Open
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