What would be the fate of ecotoxicology in the South American studies?

I'm currently working on ecotoxicology and I'd like to know what my colleagues from the same area think, especially in South America. Too much of microplastics in my opinion, but few studies...

18 May 2020 1,064 2 View

Hi everyone, I completing my dissertation, would you mind completing my online survey?

Hi all, I am working on Millennial's perception towards sustainable luxury perception. My survey only takes few minutes to complete. I will highly appreciate if you could complete it. It...

02 May 2020 1,535 4 View

Does sustainability improve how a luxury brand is perceived?

I am looking for some papers, journals that show that can help me for my literature review.

26 April 2020 5,045 4 View

How can I observe my bacterial pellet after a centrifugation of a low concentration suspension ?

Hello, I'm currently working on DNA extraction from E. coli suspended in PBS. I'm working with concentrations ranging from 102 CFU/mL to 105 CFU/mL (and 108 CFU/mL as a positive control) and I...

02 March 2020 7,522 14 View

A qualitative research : phenomenology or grounded theory ?

Hello, I am currently conducting a thesis on "what do general practitioners think of their e-reputation?". I conducted 4 focus-groups so far and would like to analyse the data collected with N...

05 February 2020 2,981 5 View

Has anybody already managed to create stable water in ethyl acetate emulsion? Which surfactant did you use?

I am trying to do water in ethyl acetate emulsion. The water droplets fastly coalesce even with Span80 surfactant. Has anybody tried to realize that? Thank you for your help

16 October 2016 8,477 2 View

How can I explain a difference of absorption between two animal models ?

I'm currently working on absorption of a low molecular weight protein. After radiolabelling, I injected the protein into two animal models, an healthy one (balb/c male) and one bearing two tumours...

31 May 2016 5,781 1 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

What is role of toluene and stearic acid in ball milling for powder ? In what weight percent we should add this to powder?

I am doing ball milling operation of Aluminum and silicon carbide powder. I am pretty confused about what should be added as process control agent ? what is role of toluene as PCA and stearic...

12 February 2021 5,205 3 View

What is the reason for using Glass Impingers?

Impinger bottles are used at some applications, where the gas is cooled and the condensate is dissolved in a solvent contained in the impingers. I have always seen impingers made of glass. Why not...

03 February 2021 6,959 2 View

Lift off problem with Indium/Gold deposition?

Hi, I'm doing 5/40nm In/Au e-beam evaporation at rates 0.2A/s(for In),1A/s(Au) on lithographically(doubly coated 495k,950k PMMA e-beam resist) done Si substrate at base pressure 2e-6torr. I'm...

18 January 2021 7,550 4 View

In order to simulate a DWC in steady state, how to put the unit operations in the flowsheet of any process simulator?

14 January 2021 3,938 6 View

Is it reliable to use toluene as a solvent in measuring density by liquid displacement method?

Hi all, I am working on pollen and want to examine the true density. No doubt, toluene does not swell the particles but it may dissolve the lipid materials and other organic molecules besides the...

07 January 2021 2,471 2 View

What is the best way to maintain constant concentration of a volatile organic liquid in an open experimental set-up?

The purpose is to keep a NAPL (eg Toluene) concentration constant in an open tank set-up.

27 December 2020 7,325 2 View

How to obtain a wet deposited film by spin coating method?

I tried to deposit some polystyrene thin films by the use of spin coating method. I should mention that the solvent which I used was toluene. The films which I obtained were totally dry. While I...

14 December 2020 4,655 5 View

Is there a solvent for polypropylene at room temperature?

I want to dissolve polypropylene for making a solution so as to make fibres at room temperature. I have tried toluene and xylene but without any success in dissolving.

06 December 2020 8,479 2 View

Do the anchoring condition at NP-LC interface changes in any particular solvent (i.e. toluene, ethanol etc) or remains the same ?????

For absorbance and emission measurements of nanoparticles dispersed nematic liquid crystal we dissolve sample into a particular solvent (like toluene, ethanol etc). do anchoring condition at...

04 December 2020 1,938 1 View