Long Pham

6 Questions 17 Answers 0 Followers

Questions related from Long Pham

How to develop a 0.5-um thin SU-8 layer?

Hi, I tried to generate an array of thin line (0.75-um wide) and 2-um spacing using 1-um thick SU-8 layer. - The wafer was precleaned with acetone, Isopropanol, and water and heated at 180 C...

15 July 2018 8,646 8 View

What is the best fluorescent marker/cell line/animal for Live imaging of actin filament in mesenchymal stem cells over long time (2wks)?

We want to image actin activity of mesenchymal stem cells (MSCs) over a period of 2 weeks without sacrificing them. We want MSCs to be stably expressing the fluorescent proteins at the actin...

02 December 2015 2,950 4 View

Which pipettors should I choose?

I am trying to buy some micropipettors for my biomedical lab. I try to dispense liquid in quite a large range from 0.1 uL to 1000 uL. But I am confused about which one to choose. Some are very...

09 September 2015 5,242 10 View

Can I buy cheap SU8 somewhere?

I want to run some soft-lithography treatment and looking for a photoresist. SU8 seems to be very good but the price offered by MicroChem is so expensive (upto > $500/ 500ml bottle). Can we buy...

17 August 2015 4,660 3 View

What companies can print photomasks to be used with a mask aligner in US?

Hello, I just have a new UV lamp and trying to make some soft-lithography. However, I don't know which companies are printing photomasks in US. I wonder if somebody can give me some contacts? The...

17 August 2015 3,350 8 View

How does centrifugal speed affects cells' viability?

I am trying to freeze the bone marrow extract from rats. In a reference protocol, the centrifugal speed is about 450 g in 5 min. But my lab only has a centrifuge with a fixed speed of 980 g. I...

06 November 2014 1,275 10 View