What is colloidal gold?Colloidal gold is the sol or colloidal suspension of gold nanoparticles in liquid (usually water). Colloids are usually white wine red (for round fragments less than 100 nm) or blue/ purple (for larger spherical bits or nanorod...…
The US President recently said the conflict between Russia and Ukraine had driven up the prices of all the world's major food staples, including wheat, corn, barley, oilseeds and edible oils, and that Russia and Ukraine together supplied more than 25…
gold nanoparticles (AuNPs) have been widely used in biosensor related fields for decades due to their excellent optical properties stability (such as pregnancy detection card for home use). Since nucleic acid functionalized gold nanoparticl…
The World Bank expects global economic growth to slow significantly, from 5.5% in 2021 to 4.1% in 2022 and further to 3.2% in 2023. Growth in East Asia and the Pacific is expected to slow to 5.1 percent in 2022, reflecting the impact of China's econo…
The foaming agent is an indispensable component in the preparation of foam concrete by using prefabricated foams. This study used four types of foaming agents to prepare foam concrete. Effect of the foaming agent on the properties of fresh and harden...…
What is zirconia strengthened alumina?Zirconia toughened alumina (ZTA) is made of zirconia and alumina. Zirconia is an oxide of zircon as well as is generally included in various other products as a result of its durability. As a whole, the percentag...…
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