A review of the application of polymeric porous membranes as a solid substrate in microextraction processes
Subject Areas :Zahra Mansour Lakoraj 1 , Milad Ghani 2
1 - University of Mazandaran
2 -
Keywords: Polymeric membranes, solid phase microextraction, liquid phase microextraction,
Abstract :
Porous polymer membranes are known as a versatile and efficient material for microextraction processes. These membranes are used in analytical processes, both as a solid support and as a protective medium to improve sample preparation. Membrane types are divided into porous, non-porous and carrier membranes according to the structure and size of the holes. Porous membranes can separate the components of a mixture by cleaning different particles according to their size. The size of the holes and pores in these types of membranes is a factor that causes their diversity and makes each of them suitable for separating specific molecules. Porous polymer membranes offer unique advantages in microextraction methods due to their large surface area and controllable pore size, which eliminate the effect of interference caused by the presence of various substances in the texture of complex samples and improve selectivity. This article deals with the key aspects of the application of porous polymer membranes in liquid and solid phase microextraction and examines their challenges and advances in the chemical analysis of food, biological and environmental samples. Evaluating the greenness of the methods used for their synthesis as well as the solvents used is one of the things that are investigated in porous polymer membranes.