Weiwei Cui

6 Questions 11 Answers 0 Followers

Questions related from Weiwei Cui

Who have the experience on piezoelectric nano-position (displacement) actuator?

I'm trying to develop a piezoelectric nano-position actuator. My final goal is to get a stable nano scale displacement, which is static, not vibration. If a static voltage is applied on the PZT,...

07 July 2018 2,037 1 View

Are there some developed strategies that can isolate or sort nanoparticles from the samples?

In my recent project, I needed to separate nanoparticles from the flowing samples. But I found it so difficult to do that. Who has experience on this topic? Any suggestions are welcome! Thanks so...

02 February 2018 5,770 10 View

How do I choose the surfactant when doing the droplet generation test?

I'm trying to demonstrate the droplet generation process using water in oil system in microfluidic chip, aiming to do cell culture experiments. Generally, surfactant should be added into the oil...

11 November 2015 7,063 1 View

How can I avoid Au electrode burned under applied voltages more than 1.2V (DC) in Tris buffer solution?

We utilize a Au electrode of 200 micrometer wide as working electrode to generate electric field on solution. The Au electrode is evaporated on SiO2 wafer. Its thickness is 3000A. There is 500A...

03 March 2015 7,172 7 View

Does anyone have experience to link antibody modified microbeads to the responding antigen modified planar surface?

I want to link a micro-bead of 5 micrometer in diameter to the planar electrode by antibody-to-antigen specific bonding. A few tests have been done but failed. Now I wonder whether this approach...

02 February 2015 6,882 3 View

Is there some effective method to concentrate molecule within microfluidic ystems?

I'm trying to develop a microfluidic-based tool to concentrate protein into a target region, and does anyone have experience on this field? Any suggestion would be apprieciated, thanks so much!

01 January 1970 335 4 View