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Silver nanoparticles (AgNPs) have been extensively used as a potent reagent to enhance the Raman scattering of surface-enhanced Raman spectroscopy (SERS) due to their excellent stability and enhancing properties. In a recent publication by Nano Convergence, a more eco-friendly and efficient method of in-situ manufacturing of SERS substrates with AgNPs has been reported.

As one of the most important characterization parameters of nano powder, particle size directly affects the physical and chemical properties of the powder, and then affects the performance of the final product. Therefore, its detection technology is an important tool for industrial production and quality management, and plays an irreplaceable role in improving product quality, reducing production costs, and ensuring product safety and effectiveness. This article will start from the principle and compare three common methods for powder particle size detection: electron microscopy, laser particle size analysis, and X-ray diffraction line width method, and analyze the advantages, disadvantages, and applicability of different particle size testing methods.

In the preparation of oxide powders, specific surface area is a very important indicator, which directly affects the performance and application of the powder. However, the specific surface area is influenced by many factors, the most important of which is the preparation method. Different preparation methods can lead to differences in the size, shape, and porosity of powder particles, which in turn affect their specific surface area. Therefore, when choosing a preparation method, it is necessary to select the appropriate process based on specific application requirements.

There are different methods to measure the particle size of powders, depending on the size range of the particles and the desired accuracy of the measurement. Here are some common techniques:

​As one of the leading manufacturers of high-quality ultrafine powders, SAT NANO has always been at the forefront of developing innovative surface coating methods. Surface coating is an essential process for improving the performance of ultrafine powders, as it enhances the properties of powders such as dispersion, adhesion, stability, and solubility. In this article, we will discuss some of the most popular surface coating methods used for ultrafine powders.

Nanoparticles are microscopic particles with unique properties that can be tailored for specific applications. Nanoparticles are used in various fields, including medicine, engineering, and electronics. One of the properties of nanoparticles is magnetic property. This article will delve into the world of magnetic nanoparticles, discussing which nanoparticles have magnetic properties.