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NIST Researchers Introduce Breakthrough Formula for Particle Number Concentration Understanding the number of particles in a sample is a fundamental task across multiple scientific fields — from nanotechnology to food science. Scientists use a measure called Particle Number Concentration (PNC) to determine how many particles exist in a given volume, much like counting marbles in a jar. Recently, researchers at the National Institute of Standards and Technology (NIST) have developed a novel formula that calculates particle concentrations with unprecedented accuracy. Their work, published in Analytical Chemistry , could significantly improve precision in drug delivery, nanoplastic assessment and monitoring food additives. Related reading on Nanotechnology advancements: AI systems for real-time flood detection . What is Particle Number Concentration (PNC)? Defining PNC Particle Number Concentration indicates the total count of particles within a specific volume of gas or liquid,...

Affordable Solution for Removing Micro- and Nanoplastics from Water A research team from the University of S ã o Paulo (USP) in Brazil has introduced an innovative nanotechnology approach designed to eliminate micro-and nano plastics from water. The findings a p pear in Micron . The Growing Environmental Concern of Microplastics Ubiquitous tiny  plastic  particles have emerged as one of the most  pressing environmental issues today, second only to the climate and the ra pid extinction of s pecies and ecosystems. Micro plastics and Their Ubiquity Micro plastics are  present in soil, water, air, and in the bodies of humans and animals. Originating from everyday consumer items and the degradation of larger materials, these  particles are found across all environments. A significant source is wastewater from washing synthetic-fiber clothing, which is not yet filtered to remove micro plastics, allowing them to enter the soil, groundwater rivers, oceans, and atmos ph...