Green synthesis of gold nanoparticles via Capsicum annum fruit extract: Characterization, antiangiogenic, antioxidant and anti-inflammatory activities

Applied Surface Science Advances, Journal Year: 2023, Volume and Issue: 13, P. 100372 - 100372

Published: Jan. 18, 2023

Biological synthesis of gold nanoparticles (AuNPs) is gaining attention researchers because their varieties biomedical applications. This study reported the novel, eco-friendly AuNPs using dried fruit extract Capsicum annum (C. annum). Biosynthesized (Ca-AuNPs) showed UV absorption peak at 540 nm and were found to be stable for up three months. The further characterized by Transmission Electron Microscopy (TEM), Fourier Transform Infrared (FT-IR), Energy Dispersive X-ray Analysis (EDAX) diffraction (XRD) analysis. spherical in shape with size range 20–30 zeta potential confirmed surface charge -26.5 mV. Ca-AuNPs tested anti-angiogenic activity Chorioallantoic membrane (CAM) assay that implied a significant efficiency 100 µg/mL concentration. antioxidant studied 2,2- diphenyl-1-picrylhydrazyl (DPPH) was 86.0% radical scavenging activity. These also revealed anti-inflammatory concentration 100–1200 IC-50 value619.4 µg/mL. present includes phytoconstituents plant material as reducing agents efficiently exploit applications nanoparticles.

Language: Английский

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Thermophysical properties of nanofluids and their potential applications in heat transfer enhancement: A review

Arabian Journal of Chemistry, Journal Year: 2023, Volume and Issue: 16(11), P. 105272 - 105272

Published: Sept. 19, 2023

Colloidal suspensions of nanoparticles in a base fluid, known as nanofluids, have become increasingly popular recent years due to their unique thermophysical features and promising heat transfer applications. This article provides an in-depth look at the latest developments field covering everything from synthesis techniques characteristics. The advantages disadvantages nanofluids prospective uses exchangers were also discussed. Study reveals that hybrid are good alternatives different compared simple fluids because better thermal performance. stability system not only influences system's parameters but It has been how well conventional function exchangers. In conclusion, this is great reference for scientists engineers who want learn more about use transfer.

Language: Английский

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Catalyzing innovation: Exploring iron oxide nanoparticles - Origins, advancements, and future application horizons

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 507, P. 215750 - 215750

Published: Feb. 29, 2024

Language: Английский

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Advances in surface design and biomedical applications of magnetic nanoparticles

Advances in Colloid and Interface Science, Journal Year: 2024, Volume and Issue: 328, P. 103166 - 103166

Published: May 3, 2024

Language: Английский

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Recent Advances in Surface Functionalization of Magnetic Nanoparticles

Coatings, Journal Year: 2023, Volume and Issue: 13(10), P. 1772 - 1772

Published: Oct. 15, 2023

In recent years, significant progress has been made in the surface functionalization of magnetic nanoparticles (MNPs), revolutionizing their utility multimodal imaging, drug delivery, and catalysis. This progression, spanning over last decade, unfolded discernible phases, each marked by distinct advancements paradigm shifts. nascent stage, emphasis was placed on foundational techniques, such as ligand exchange organic coatings, establishing groundwork for subsequent innovations. review navigates through cutting-edge developments tailoring MNP surfaces, illuminating pivotal role advancing these diverse applications. The exploration encompasses an array innovative strategies inorganic encapsulation, engineering, self-assembly, bioconjugation, elucidating how approach impacts or augments performance. Notably, surface-functionalized MNPs exhibit increased efficacy demonstrating improved MRI contrast targeted imaging. current underscores transformative impact modifications delivery systems, enabling controlled release, therapy, enhanced biocompatibility. With a comprehensive analysis characterization techniques future prospects, this surveys dynamic landscape past three years (2021–2023). By dissecting underlying principles applications, provides not only retrospective but also forward-looking perspective potential surface-engineered shaping science, technology, medicine.

Language: Английский

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Green synthesis of iron oxide nanoparticles using brown Egyptian propolis extract for evaluation of their antibacterial activity and degradation of dyes

Inorganic Chemistry Communications, Journal Year: 2023, Volume and Issue: 153, P. 110889 - 110889

Published: May 27, 2023

Language: Английский

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Recent Approaches in Magnetic Nanoparticle-Based Biosensors of miRNA Detection

Magnetochemistry, Journal Year: 2023, Volume and Issue: 9(1), P. 23 - 23

Published: Jan. 6, 2023

In recent years, magnetic nanoparticles (MNPs) have been widely used in many fields due to their advantageous properties, such as biocompatibility, easy modifiability, and high chemical stability. One of these areas is the detection cancer. It essential use existing biomarkers, microRNAs (miRNAs), for early diagnosis this disease. miRNAs are challenging distinguish detect biological samples because they small, circulating molecules. necessary more sensitive feature-rich systems. Thanks large surface moments, MNPs allow separation miRNA at low concentrations from complex (urine blood) rapid specific biosensing Here, we discussed synthesis characterization methods MNPs, stabilization, MNP-based biosensors terms detection. We considered challenges prospects biosensor systems evaluating development stages, sensitivity, selectivity.

Language: Английский

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Harnessing Magnetic Nanoparticles for the Effective Removal of Micro- and Nanoplastics: A Critical Review

Nanomaterials, Journal Year: 2024, Volume and Issue: 14(14), P. 1179 - 1179

Published: July 11, 2024

The spread of micro- (MPs) and nanoplastics (NPs) in the environment has become a significant environmental concern, necessitating effective removal strategies. In this comprehensive scientific review, we examine use magnetic nanoparticles (MNPs) as promising technology for MPs NPs from water. We first describe issues their impact on human health. Then, fundamental principles using MNPs these pollutants will be presented, emphasizing that enable selective binding separation water sources. Furthermore, provide short summary various types have proven NPs. These include ferromagnetic coated with organic polymers, well nanocomposites nanostructures. also review properties, such saturation, size, shape, surface functionalization, stability, influence efficiency. Next, different methods utilizing discuss advantages, limitations, potential further development detail. final part an overview existing studies results demonstrating effectiveness address challenges need to overcome, nanoparticle optimization, process scalability, recycling after completion process. This offers extensive insights into With improved understanding advanced materials methods, can play crucial role addressing preserving clean healthy environment. novelty article is emphasis detailed advantages disadvantages mentioned application. Additionally, large number publications field provided.

Language: Английский

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ZnO@Polypyrrole-P(VSANa) on flexible and wearable carbon felt as electrodes for nonenzymatic H2O2 sensor and supercapacitor applications

Journal of materials research/Pratt's guide to venture capital sources, Journal Year: 2024, Volume and Issue: 39(6), P. 913 - 927

Published: Jan. 12, 2024

Language: Английский

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Influence of the Type of Biocompatible Polymer in the Shell of Magnetite Nanoparticles on Their Interaction with DPPC in Two-Component Langmuir Monolayers

The Journal of Physical Chemistry B, Journal Year: 2024, Volume and Issue: 128(3), P. 781 - 794

Published: Jan. 12, 2024

Magnetite nanoparticles (MNPs) are attractive nanomaterials for applications in magnetic resonance imaging, targeted drug delivery, and anticancer therapy due to their unique properties such as nontoxicity, wide chemical affinity, intrinsic superparamagnetism. Their functionalization with polymers chitosan or poly(vinyl alcohol) (PVA) can not only improve biocompatibility biodegradability but it also plays an important role interactions biological cells. In this work, the effect of MNPs chitosan, PVA, blend on model cell membranes formed from 1,2-dipalmitoyl-sn-glycerol-3-phosphocholine (DPPC) using a Langmuir technique was studied. The studies performed showed that type biocompatible polymer MNP shell crucial effectiveness its adsorption process into membrane. Modification facilitates significantly more effective than coating them PVA blend. presence all investigated DPPC monolayer at low concentrations does affect thermodynamic state, fluidity, morphology, which is promising terms biocompatibility. On other hand, high concentration (molar fraction above ≈0.05) exerts disruptive membrane results aggregation, leading probably loss superparamagnetic essential nanomedicine.

Language: Английский

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