Glass coating with cationic polymers

More Emil G P Stender's questions See All

How to Dedust Activated Carbon Granules?

Dear all, We are producing activated carbon from hazelnut shells but have an issue about the dust of the a.c. granules also known as the dust film on granules. Linear vibrating seives doesn't do...

11 July 2024 9,782 2 View

Where to host and publish large (500GB) scientific data sets?

Hi all, I am looking for public repositories or services that are willing to host some large scientific data sets in the range of hundreds of GBs. Besides the universities' infrastructures we...

20 March 2024 8,761 1 View

How come I get an inverse correlation signal output in my ELISA titration?

Hello, I am identifying nanobodies for my protein of interest. I have identified several different nanobodies showing specificity towards my target and conducted a validation assay (ELISA...

01 December 2023 6,881 1 View

What is the best method to measure tourism carrying capacity in national parks or other large natural regions (mountain areas, etc.)?

In your opinion, what is the best method to measure tourism carrying capacity in national parks or other large natural regions (mountain areas, etc.)? What objective criteria can be used to...

19 October 2023 9,457 0 View

What methods can be used to enhance or improve quality control?

Is there any methods that can help quality control enhance its role?

03 September 2023 8,310 1 View

Mini prep plasmid with DNA contamination? How can I avoid DNA contamination trying to QuikChange mutate my plasmid?

Hello, I am currently working on making mutations in my plasmid conducting Quikchange. The plasmid size is 3800bp and I am using primers with several mutations. However, both my parental plasmid...

19 July 2023 5,156 3 View

What are the key differences and benefits of using Seurat and Scanpy for single-cell analysis?

Dear ResearchGate Community, I am currently engaged in single-cell analysis for my research project and would greatly appreciate your insights and experiences regarding the use of Seurat and...

19 June 2023 9,045 5 View

Eating Disorder Examination: why does item 40 have so much influence on the DSM-5 diagnosis of anorexia nervosa?

When looking at the EDE, I was puzzled why item 40 (“Maintained low weight”) has so much influence in generating the DSM-5 diagnosis "anorexia nervosa". As I understand it, a diagnosis would be...

11 June 2023 1,737 7 View

What is the negative controls in phage display (biopanning) and troubleshooting panning protocol?

Hi there, I am currently panning against GFP and pre-depleting with PBS+0.5%BSA using the steps attached (modified from Barbas's protocol). GFP and BSA are immobilised on high-binding microtiter...

24 January 2023 388 3 View

How can i determine the term symbol for spin orbit coupling from this Orca Output?

I performed ORCA SOC CASSCF calculations on the Molecule AsCH3+. Without spin orbit coupling the mullikan term symbol should be 2A'', since due to ionization of an electron the c3v symmetry is...

01 November 2022 8,613 1 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

Fabrication of narrow glass capillary (inner diameter 200~500 nm)?

I need a very narrow glass capillary for my research. How can I make a glass capillary with an inner diameter of around 200 to 500 nanometers?

08 August 2024 8,915 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

Polymer wear calculation?

What is the method for analytically calculating the wear and service life of polymer-polymer sliding pairs?

04 August 2024 1,078 1 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

How to explain the different interaction between soluble and insoluble polymer in water?

Hello everyone, I am try to understand the differences interaction between insoluble and soluble polymers in water with metal ions and how theit charge density (of metal ions) affect the interaction.

29 July 2024 6,350 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

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

What is the difference between coordination polymer, MOFs, MCOFs?

Wherever I have referred, it puts me in a dilemma about the exact differences between these. It would be really helpful if someone can put me out of this trouble.

21 July 2024 3,045 3 View

André R. Fajardo

Dear Emil,

This study can be useful to you: Article Hydrogen generation and hydrogenation reactions efficiently ...

Regards, André.

Andreas Holländer

Polylysine is probably the classic. But there are many more cationic polymers available commercially for various purposes.

The coating is rather straight forward. The most important thing: the glass must be clean.