I want to know if it is possible to adapt the breath figure method with the PEEK ? for make a thin film with honeycomb structure ?

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Where can we get few mm diameter polished circular glass plates?

who retails few mm diameter polished circular glass plates ? thickness 0.1 to 1 mm diameter 1 to 3 mm ordinary or fused silica glass polished on both sides and the edge

16 June 2024 763 1 View

How analytic readers can be reached ?

We propose to defend reading via an application that accompanies the changes in reading habits brought about by digital technology. In addition to collecting texts that are loved and integrated...

29 April 2024 9,791 0 View

Why would a primer produce a product for PCR but does not work for Sanger sequencing?

I am working on Cape fur seals and designed a primer to amplify a region in the hypervariable control region 1. This primer produces the correct sized band when amplifying with PCR. However,...

24 April 2024 5,112 4 View

Please, could you delete that page of Pangou ?

Dear Editor, I'm shocked that you publicized some papers that are fake here see https://www.researchgate.net/scientific-contributions/Serge-Valentin-Pangou-2003482514 See also the pdf attached...

26 March 2024 7,871 2 View

"Group Representations, Algebraic Geometry and Topology in Quantum Information and (Epi)Genetics, how are they related?

We launched a special issue about the topic in the title https://www.mdpi.com/journal/quantumrep/special_issues/6YGGQI4308 Please send comments and possibly a submitted contribution. Thanks in...

06 September 2023 7,678 0 View

Temperature sensors - low cost?

There are sensor for urban air temperature (heat island effect study) at better quality/price than iButton? I don't need higher quality sensor than IButton, but mainly just T sensors at lower...

16 February 2023 7,280 1 View

BLDC air gap radial flux density calculation problem ?

Hello everyone, I am trying to estimate the air gap flux density in a surface mounted BLDC motor. To do so, I am refering to the book Brushless Permanant Magnet Motor Design second edition. The...

19 December 2022 1,081 1 View

Does anyone know how I can find NOAEL (no observed adverse effect level)?

Should I use certain websites to get NOAEL?

21 November 2022 6,582 0 View

Best way to measure siRNA in lipopolyplexes?

Hello everyone, I was wondering what's your take on siRNA measurements in lipopolyplexes. We have recently tried chloroform: methanol extraction followed by invubation with 2% heparin and...

01 August 2022 5,164 0 View

How to initialize Kalman filter measurement noise matrix R?

I'm simulating the process of measuring the positions of the end-effector of a robotic arm but I haven't yet specifications about the measuring device that will be used in actual experiments....

12 June 2022 3,395 14 View

Which type of compound does lamda max of 218 indicate in a uv-vis spectrum of a partially purified compound through column and TLC?

A crude extract of fungal culture using EtOH was subjected to column and TLC and partially purified compound was obtained. UV vis spectrum of the compound/s has max absorbance at 218nm. The...

11 August 2024 9,801 2 View

What procedure should I follow for current controlled PPy film electrochemical deposition on ITO?

For example, I perform passivation process before electropolymerization of Py for adhesion to titanium surface. Is a similar or different procedure required for ITO? If necessary, I would be glad...

06 August 2024 3,176 0 View

How can I measure the thickness of thin film by Uv-Vis?

06 August 2024 7,810 3 View

Why is TLC not a form of partition chromatography?

Why is TLC not a form of partition chromatography and paper chromatography not a form of absorption chromatography?

03 August 2024 7,035 3 View

Is there a good freeware software for photodocumentation of TLC?

I need something like Camag's VisionCat software for photodocumentation of TLCs. Could you recommend something?

31 July 2024 8,415 1 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

Does anybody know why my chitosan/pva/gelatin hydrogel dissolve in PBS?

My final research is about making chitosan/pva hydrogel for wound healing using gelatin as crosslinker. Last month, i made the thin film hydrogel and it turn well. It was okay. Last week, i make...

28 July 2024 2,794 6 View

How can I better use imageJ to get good result on calculating surface area of a film accurately?

I have images of film formed on the bottom of a 50mL beaker, and I have been trying to figure out the surface area. I could easily use features on imageJ to do that, but I want to know which area...

23 July 2024 4,461 1 View

Is it possible to manufacture polypropylene sheets using a biaxial process?

I know that films and other low-thickness laminated products are produced using biaxial orientation, but is there something similar for sheets with a thickness of around 6 mm? Or are they...

21 July 2024 1,559 1 View

How do you decide an optimal AC amplitude for non-faradaic electrochemical impedance spectroscopy?

I work with planar interdigitated electrodes (IDEs). The finger width and the spacing between the fingers are 5 micron. The surface of the IDEs is coated by a non-conductive polymer layer...

16 July 2024 5,031 1 View