Question

The pre-analytic testing phase occurs first in the laboratory process. ... This phase includes what is usually considered the "actual" laboratory testing or the diagnostic procedures, processes, and products that ultimately provide results. The post-analytic phase is the final phase of the laboratory process.In hindi

Answer 1

These iron nanoparticles are intrinsically unstable and prone to aggregation; however, we rendered them stable in the long term by addition of 40 mM citrate buffer pH 3.0. In contrast, amorphous iron oxide nanoparticles (diameters of 10–40 nm) produced using R. acetosa extracts are highly stable.