CE and CEC

Chiral separation by CE and CEC is achieved using a chiral selector which is either free in the mobile phase or immobilized to the stationary phase. MIPs can be used as the selector in both approaches. Mo-lecularly imprinted capillary columns have been prepared by various approaches:

1. packing performed MIP particles into the capillaries

2. dispersion polymerization in situ in the capillaries

3. incorporating preformed MIP particles into poly-acrylamide gels

4. in situ polymerization on the inner walls of the capillaries

5. filling the capillaries with a monolithic polymer with continuous pores by in situ polymerization.

Figure 9A shows the separation of racemic propranolol by CEC on a capillary column filled with poly(methacrylic acid-co-TRIM), polymerized in situ using (R)-propanolol as the print molecule. Several attractive features make this system look promising for the future: very low consumption of the print molecule (in this case only 10 |g), fast preparation of the capillaries (3 h) and fast separation (less than 2 min). In Figure 9B, MIP particles selective for (S)-propanolol were added to the mobile phase in a CE separation.

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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