POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

Is there any database of UK based advertisements? I am specifically looking for anti-counterfeiting ads. Any suggestion?

I am looking for print/tv/social media/outdoor anti-counterfeiting advertisements targeted to British consumers.

23 November 2020 7,950 2 View

How to manage the transition from one Reference Management Software to the other?

What if someone switches to some other reference management software during the writing process? What will happen to the citations added to the paper previously? Will it be required to export...

15 August 2020 6,656 2 View

How can I make data frame in ReadqPCR in R program?

I would like to analyze my qRT-PCR data generated from QuantStudio 5 PCR System using SYBR green method. I would like to import my raw data in readqpcr in R studio but I can not make data frame as...

26 March 2020 743 3 View

Why there is multiple bands in conventional PCR?

I am doing Conventional HPV PCR with universal primers but there was multiple bands observed in 2% gel in few of samples despite of optimization? I want to know the reason?

03 January 2020 4,867 2 View

What is the effect of accepting, 'publishing an open access articles', on review process?

Nowadays, while submitting articles for publishing in impact factor journals, there is an option to submit and publish traditionally without cost or submit/publish for open access with the cost. I...

06 October 2019 2,204 4 View

How can I calculate the amplification of soil using Mohr Coloumb model in Plaxis 3D?

I tried to run in PLAXIS 3d, while generating amplification curve, it shows not enough data for nodes. I am not understanding what data it requires to generate amplification curve. I provided Loma...

22 March 2019 715 2 View

How environmental conditions effect during nanoparticles synthesis?

It can be through any method either hydro thermal or sol gel or may be by precipitation method. How it also effect on yield, colour and composition of the product? I used hydro thermal method in...

22 February 2019 1,931 8 View

Why I am not getting the same band few month later from the same DNA?

I got the desired band after pcr. I extracted DNA using boiling method. But few months later I am using the same DNA template and same pcr protocol is also maintained. But this time, I am not...

03 January 2019 8,549 3 View

Ethidium Bromide Vs GelRed?

I use GelRed for post staining of the gel. I am facing smearing problem as well as the lowest size band in the ladder always appears as very thick(shown in the picture). Is Ethidium bromide better...

17 November 2018 6,053 2 View

Polymer composites suddenly solidifies?

I am making polymer composite by solvent mixing method. When I am trying to add filler solution in polymer solution it quickly get solidified. How to make them then uinform? It doesn't give time...

03 March 2021 7,540 4 View

How the parameters (such as Mw, Chemical bonds, polymer bland and so on) affect the mechanic property of polymer (such as storage, loss modulus) ?

Anyone can recommend any books on such topics? Thanks in advance.

02 March 2021 8,457 2 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

How to polymerize TEOS?

I want to polymerize TEOS on a surface. I know that NH4OH is a preferred catalyst and an alcoholic solvent should be used .But I can not find certain amounts of each material to use. Does any one...

02 March 2021 1,404 6 View

How to quantify carbon deposition on CuZnAl catalyst?

Dear All, I want to quantify carbon deposition on the surface of the CuZnAl catalyst. I have tried thermogravimetric analysis, but I've got weight gain as the active Cu- get oxidised. Does anyone...

01 March 2021 1,907 3 View

Can polymer concentrations be calculated based on the number average molecular weight?

Hello, I spin-cast two different polymers onto wafers and measure their height as a function of initial concentration. For polymer A, I have the weight-average molecular weight (Mw) as well as...

28 February 2021 7,882 2 View

POlymer+DMSO solution and moisture??

What could be the reason of moisture at the sides of Vial when I am preparing my polmyer+DMSO solution for membrane fabrication? What etiquettes I am possibly missing here?

28 February 2021 6,516 5 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View

How to identify what type of fillers are in a polymer?

Hello everyone, I have some PHAs blended with fillers and nucleating agents, yet I don't know what kind of fillers or nucleating agents. The producer has shut down and there's no way to get in...

24 February 2021 1,356 8 View

How can I selectively dry etch Ti on a polymer substrate?

24 February 2021 5,378 1 View