The rare earth element europium (EU) is used in a wide variety of fields, including chemistry, physics, medicine, and materials science. In materials science, the EU is often used to label polystyrene (PS) magnetic beads for use in a variety of biomedical experiments and assays.
The advantage of EU as a marker is its unique fluorescence properties, which are able to fluoresce red and have a long-lived excited state. These features enable the EU to emit bright fluorescence at specific wavelengths for a long time, providing long-term stable labeling in a variety of biomedical experiments. Polystyrene magnetic beads are magnetically responsive microspheres that are commonly used in biological experiments such as immunoassays, nucleic acid extraction, and protein purification. These beads are able to quickly separate and enrich target substances under the action of magnetic fields, improving the efficiency and sensitivity of experiments. Labeling the EU onto polystyrene beads enables efficient separation, rapid detection, and accurate analysis of biological samples. Due to the stable fluorescence properties of the EU, this labeling method can maintain long-term stability and reproducibility in a wide variety of complex biological samples.
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qyzyl2023.12.12