Is there any easy way to coat thin transparent Teflon (PTFE) in the lab?

More Dowon Bae's questions See All

Why does it precipitate in liquid form?

When I precipitate a polymer, it forms a liquid precipitate. I want to obtain a solid form. I usually use methanol as the antisolvent. Can someone provide information about this situation...?

12 April 2024 8,706 3 View

Define and explain the concept of an organization with particular reference to the school?

in a presentation style

06 February 2024 8,365 9 View

Difference statistic outcome between correlation and SEM?

Hi. I am a sport psychology researcher and I usually analyze structural equation model (SEM) using AMOS program. But this time, my data reported unusual results. It revealed that variables A...

06 February 2024 2,470 5 View

How can I precipitate the polymer from colloid solution?

I synthesized the polymer using DMF as the solvent. After synthesis, I precipitated the polymer in IPA. I think this solution is a colloidal solution. If my assumption is correct, how can I...

04 February 2024 5,781 9 View

When we synthesis polymer why does the color of the synthesized solution change ?

Why does the color of the reactant change depending on the temperature during radical polymerization? Although it was set to the same temperature, it is expected that there would be a slight...

25 January 2024 8,681 2 View

Is there a way to solve the abnormal growth of plants in plant tissue culture?

Seeking advice on resolving a problem. Plant symptoms include: 1. The thickness of the stem and root becomes abnormally large. 2. The thickness and size of the leaves become abnormally large, and...

17 January 2023 9,029 6 View

How can I solve 0 kb inp file in ABAQUS?

Dear all, I’m trying to analysis some impact analysis with CEL model. For this, I know mesh size is very important. So, I make a very fine mesh to describe realistic results. However,...

17 May 2021 5,762 2 View

How to solve insufficient oxidation of commercial native human LDL?

Hi, I recently have tried to oxidize commercial native human LDL(Kalen biomedical). But after oxidation procedure with 10uM copper sulfate for 18hrs, relative electrophoresis motility(REM) and...

26 April 2021 2,988 2 View

How to detect LTP signal?

Hi all, Recently, I am trying to measure LTP signal, but I cannot detect the response. I sliced the brain horizontally with vibratome. For slice, i used ice-chilled aCSF (0.5 mM, CaCl2), and the...

24 March 2021 6,881 3 View

Why do a weight decrease for thermal degradation in nitrogen gas condition?

Hi all The question is related to TGA(Thermogravimetric analysis). Thermal degradation easily understood but why do samples weight decrease? altough just binding is broked, the weight of...

26 February 2021 1,570 5 View

Adhesion strength of coating?

How can I determine a good adhesion strength range for coatings on polymer surfaces, such as DLC on polymer substrates? Is there a specific threshold for adhesion strength (from T-peel tests)...

10 August 2024 942 3 View

How do I conformally do PR spin coating on trench structure?

I did PR spin coating on trench structure. I used AZ P4620 PR and the thickness or PR is around 11um. The substrate is Si. And my trench structure depth is 141um(negative way). Even though I...

08 August 2024 2,298 0 View

Why do i have a weak plasma and no coating during rf sputtering?

I have been getting a low plasma and no coating while doing rf sputtering of copper doped ZnS using a power of 140 watts and at pressure of 6.5x10-3 Mb.

07 August 2024 4,526 4 View

How can I find access to heavy metal reference doses from the EPA and WHO websites?

Reference dose and Maximum acceptable concentrations HMs

03 August 2024 8,230 4 View

What is the reason I get 400nm nanoparticles using an extruder with 200 nm membrane for cell membrane coating?

I am trying to coat my micelles and PLGA based nanoparticles with cell membrane using an Avanti mini extruder according to literature . I use 200nm membrane but my particles end up to be 400nm And...

30 July 2024 3,294 3 View

What is the main used curing agent for epoxy based coating?

I am trying to coating metal oxide into steel substrate, for better sticking planning to utilse epoxy based, Could you please suggest suitable curing agent for the coating purpose

25 July 2024 438 3 View

What binder would be the best choice to modify glassy carbon electrode with a 2D Material like Graphene or MXene?

I am trying to drop cast 2D Materials on Glassy Carbon Electrode for Cyclic voltametry and EIS purpose. What would be best binders to use?

23 July 2024 5,776 2 View

How do you get pure primary macrophage cell culture?

I have been harvesting monocyte-derived macrophages from buffalo and cattle fresh whole blood using the same protocol for years and getting good macrophage cultures. Below is the protocol that I...

23 July 2024 4,074 2 View

Seeking latest research on social protection in northeast Nigeria, Yobe state. How does it compare with other states?

What has been the social protection outreach like in Yobe state. Which areas are challenging for the government departments and what capacity building would be most effective? Comparison of the...

21 July 2024 9,887 1 View

Is the protecting group boc of the amino group stable at 37°C?

I have a small molecule reagent with a boc-protected amino group. Now the reaction needs to be reacted at 37°C for 30 h. Is this protection group stable?

12 July 2024 3,745 2 View

prof V.S Muralidharan

i carried experiments in 1985 - i used pyrax glass to handle 6MNaOH+1MKOH-

nothing happened upto 90C

Di Yin

Hello Dowon,

have you already figure out this problem?

I recently wanna do the same thing like you to coat PTFE, and I find it's difficult to solve it in perfluorination solvent.

Can you give me some advice?

I have try Teflon AF 1600 and solvent like FC-40, FC-77, FC-3282.