Particles are contained in several types of materials. They are found in granules and powders like pharmaceutical ingredients, cement, and pigments. Particles are present in slurries, emulsions, and ...

New Delhi, A large share of India's PM2.5 pollution is not emitted directly but is chemically formed in the atmosphere from precursor gases with 42 per cent of the burden being secondary particulate ...

Vitamin C tablets’ surface roughness is key to defining their surface morphology and, therefore, their delivery rate and interaction time with external stimuli. Surface roughness can be observed via ...

The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...