Would you spare 10 minutes to fill out a survey on COVID-19?

01 July 2020 8,722 13 View

Do you have time for a quick survey on psychological Factors and COVID-19?

18 June 2020 1,547 7 View

Remove antibody from coimmunoprecipitation mixture?

Recently, I found a commercial kit (or reagent), by which in immunoprecipitation, it removes the precipitating antibody from the mixture and in WB you will not see the 50 and 100 kDa bands....

03 March 2019 3,494 3 View

Cracks in thermally evaporated Gold layer?

Hello everyone, I am using thermal evaporator to deposit 70-100 nm Gold (Au) layer on top of FTO substrate. The gold layer always shows lots of cracks. I have attached a photo here. I ve tried Si...

03 April 2018 2,748 5 View

How can antibodies detect SRY (sex-determining region Y) protein?

Subcellular location of SRY (sex-determining region Y) protein is in the nucleus and cytoplasm of Y-chromosome bearing sperm (http://www.uniprot.org/uniprot/Q03255). So how can antibodies act...

21 February 2017 5,850 1 View

Can anyone tell me, what is the end group of this co-polymer?

24 September 2016 4,738 3 View

How can Liquid crystal elastomers (lyotropic) show liquid crystal phase in a solvent ?

04 February 2016 6,495 3 View

What is a suitable source for Zro2 with solubility in water?

I am trying to synthesize a SiO2/CaO/ZrO2 composite based in water.

17 September 2014 7,276 4 View

Is it possible to model beams (using beam elements) that have non uniform section, as for instance an increasing cross section?

Hi, If yes, how can I implement it? Thanks

07 August 2014 332 4 View

How can I find the best method for selecting actions in multi-agent and stochastic environments?

In a multi agent or stochastic environment it's hard to select one action for an agent. Many papers are related for this task but aren't implementable in the real world.

12 April 2014 6,611 3 View

How can you attach polyurethane devices on glass slides?

I am making microfluidic devices made of polyurethane. The problem I am facing is that I am unable to attach these devices to glass slide even after plasma treatment (air plasma). Some of the...

28 January 2021 5,194 2 View

How do I dissolve a TPU (Texin RxT85A) in THF?

I want to make a 6% solution of Texin RxT85A in THF. I weighed the necessary amount of Texin resin and mixed at room temperature with THF with the help of a wooden stick, this did not work at all....

18 January 2021 9,080 3 View

Is there an alternative, more ecological solvent for shape memory polyurethane other than N, N-dimethylformamide (DMF) ?

As DMF creates problems for environmental aspects, we are looking for an alternative solvent for potential commercial end use applications of SMPU.

25 November 2020 8,728 3 View

What is the influence of the mold release agent on sound absorption properties of polyurethane foam ?

I'm an intern in a big company which makes flexible polyurehane foam for the automotive sector and I'm working on sound absorption properties of PU foam. I'm not chemist so I'm trying to improve...

23 September 2020 3,765 4 View

Which damage criteria should be used for nonlinear viscoelastic behavior?

Hello, I am building a material model for a nonlinear viscoelastic polymer in ABAQUS. For the beginning I just want to simulate an uniaxial tensile test. But now I want to know which damage...

13 September 2020 6,606 4 View

How can we characterize a polymer-textile substrate interface interaction?

When a textile surface such as cotton fabric is coated with a polymer with thickness approx. 20 micrometers, what will be the sample preparation, parameters, and technique to determine the...

26 July 2020 7,343 8 View

How can I extend pot life of PUR with additive?

I try to find the way to get a extend of pot life of PUR (polyurethane rigid). I use Polyol + Isocyanate (MDI) and my objetive is increase te time to work the the mixing. I use oil castor but I...

22 June 2020 9,202 11 View

How to get cel opening in a frothed PU foam?

I am making frothed PU foams (compressed air is mixed in). The foam only rises 1 to 3 mm during heating and the bubble struts of the foam tend to be strong, so they are difficult to open up. Does...

13 March 2020 2,212 4 View

Which solvents are suitable to dissolve polyurethane-urea?

I tried dissolving in DMF at 80 degrees Celcius but there is some polymer left in the swelled state. Please suggest some solvents.

31 December 2019 1,665 5 View

Polyurethane film stripping problem?

29 December 2019 8,938 3 View