Nanoscience & Nanotechnology-Asia - Current Issue
Volume 14, Issue 3, 2024
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Electrochemical Detection of Nitrofurantoin using Green Synthesized Silver-doped Palladium Nanocluster-Modified Sensor
Aim: This study presents a novel green synthesis approach for successfully fabricating silver-doped palladium nanoclusters (Ag-Pd NCs) using the aqueous leaf extract of Strobilanthes kunthiana as a reducing and stabilizing agent. Background: The environmentally benign method offers a sustainable alternative to conventional chemical synthesis, circumventing hazardous chemicals and minimizing the generation of toxic byproducts. Objective: The successful green synthesis of Ag-Pd NCs using Strobilanthes kunthiana leaf extract and their application as an efficient electrochemical sensing platform for determining nitrofurantoin (NFT). Method: The synthesized Ag-Pd NCs were extensively characterized by using diverse analytical techniques, including UV-Vis spectroscopy, X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDS) and cyclic voltammetry (CV). Results: As-synthesized Ag-Pd NCs were employed as a sensing platform for electrochemical detection of NFT, an important antibiotic widely used in clinical applications. The electrochemical method demonstrated a remarkable sensitivity of about 1.56 μA μM−1 cm−2, the lowest detection limit (LOD) of 3.2 μM and a linear range of determination from 5 to 210 μM. This new electrochemical sensor exhibited excellent stability and reproducibility, making it suitable for practical applications in real-world samples. Conclusion: The green synthesis of Ag-Pd NCs using Strobilanthes kunthiana leaf extract and their application as an efficient electrochemical sensing platform for detecting NFT was demonstrated. The combination of green synthesis and advanced electrochemical sensing underscores the potential of these nanomaterials in developing environmentally friendly sensors for pharmaceutical analysis and clinical diagnostics. The findings presented herein will contribute to the growing field of green nanotechnology and sustainable sensor development for advanced healthcare and environmental monitoring.
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Alpha-amylase Inhibitory and Cytotoxicity Investigation of Biologically Synthesized Silver Nanoparticles Using Balanites aegyptiaca on C2C12 Cells
Authors: Monika Bhardwaj, Sudhir K. Kataria, Shammi Sharma and Jaya Parkash YadavIntroduction: Silver nanoparticles were biologically synthesized from the leaf and seed extract of Balanites aegyptiaca against diabetes. Method: The silver nanoparticles were characterized using UV-visible spectroscopy, FTIR, SEM, TEM, zeta potential and dynamic light scattering for size distribution. The finding proved the nanosize and spherical shapes of the nanoparticles. In-vitro antidiabetic and cytotoxic activities of the synthesized nanoparticles were evaluated for the first time in both the plant extract, and they showed significant inhibition of α-amylase. However, the inhibition was elevated in the case of nanoparticles. Result: It was found that seed and leaf extract inhibited α-amylase up to 62.23±7.25631% and 63.90±5.632%, respectively. The elevation in the inhibition was observed in the case of their respective silver nanoparticles, such as AgNP seeds and AgNP leaves inhibited the enzyme up to 72.71±7.8569% and 74.04±6.3254%, respectively. They showed lesser cytotoxicity against C2C12 cells. Conclusion: It can be concluded that the leaf and seed extracts of Balanites aegyptiaca and synthesized silver nanoparticles from this plant can be good anti-diabetic agents.
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The Remarkable Role of Nano-phytocosmeceuticals for Elevating Skincare in Facial Hyperpigmentation
Authors: Tanya Mathur, Neha Jain, Unnati Garg and Manisha PandeyThe common skin disorder known as facial hyperpigmentation is caused by an uneven distribution of melanin, which leaves the face with dark areas or spots. Numerous factors, such as inflammation, hormonal fluctuations, and sun exposure, might contribute to this condition. Chemical peels, laser therapy, and topical whitening agents are examples of traditional treatments for facial hyperpigmentation. On the other hand, these treatments may cause scarring, dryness, and inflammation of the skin. For the treatment of facial hyperpigmentation, nano-phytocosmeceuticals— cosmeceuticals containing nanoparticles generated from plant extracts—have shown great promise. Compared to traditional cosmeceuticals, these innovative formulations provide several benefits, such as better skin penetration, increased active ingredient bioavailability, and fewer side effects. Additionally, they have proved to be useful in lowering melanin synthesis and lightening hyperpigmented skin. Thus, an overview of the recent advances in the development and application of nanophytocosmeceuticals for facial hyperpigmentation, along with clinical studies and patents that have been granted have been provided in this article.
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An Overview of the Degradation and Removal of Pesticide Residues from Water and Agricultural Runoff using Nanoparticles and Nanocomposites
More LessA high percentage of the applied chemicals on farmlands find their way into the water bodies and groundwater through agricultural runoff and leaching/percolation. Therefore, multiple remediation techniques need to be employed to deter the menace of pesticide residue contamination. Therefore, this review aimed to compute the most suitable degradation conditions for the removal of pesticide residue from water and agricultural runoff using nanomaterials. The review touches on the aspect of adsorption and photocatalytic degradation methods using nanomaterials and the most prominent factors that affect the degradation process. Information from recently published articles, book chapters, and conference proceedings were carefully studied and analyzed. It was revealed that heterogeneous photocatalysis shows the capability of complete mineralization of organic pollutants under optimum experimental conditions. Moreover, it is crucial to consider experimental conditions that could be applicable in the field to achieve a better result. It has been observed that integrating nanoremediation with other degradation methods to create a hybrid technique may play a crucial role in removing pesticide residues from agricultural runoff. However, the detrimental effects of the nanomaterials if any on the environmental matrices need to be taken under consideration to avoid the menace similar to plastic pollution as a result of extensive production and application of nanomaterials.
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Nanotheranostic Approach for the Management of Colorectal Cancer
Authors: Saloni Sharma, Gowthamarajan Kuppusamy, Parikshit R. Chowdhury and Divya PamuColorectal Cancer (CRC) is a highly prevalent and the most frequent reason for death. The choice of nanotheranostic technology for the management of colorectal cancer is one of the emerging strategies to overcome Colorectal Cancer (CRC). Magnetic nanoparticles are employed in this case because they have biomedical applications, such as diagnostic imaging, thermal treatment, and medication transport. There has been evidence of the usage of various chemicals on the surface of nano-particles, such as ligands, to highlight the contact with tumour cells at the target region in order to induce effective cytotoxic drug release. This review will highlight current breakthroughs in targeting magnetic nanoparticles against colorectal cancer, as well as the selection of ligands and their cellular targets with ionizing radiation employing in vitro and in vivo energies for Colorectal Cancer management.
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