How many percent cell viability is necessary (minimum) for a material to consider as bio-compatible or non-toxic for wound dressing application?

To protect the wound from infection and keep the skin cells functioning, at least how many percent of cell viability is required?

09 October 2017 8,058 0 View

How to determine encapsulation efficiency based on FT-IR absorbance?

31 December 2015 1,632 4 View

What are the effects of the surface roughness on Thin film properties?

I prepared thin films of Pani-DBSA/Natural rubber and characterized their surface morphology by Atomic Force Microscopy. The average roughness is around 60 nm

04 May 2013 7,328 17 View

Is it possible to cast the thin film on the wafer silicon or any other substrate and measure it's conductivity by four probe conductivity meter?

Actually I work on polymer blending, I mix polyaniline/DBSA and natural rubber and produce the thin films from them by the solution casting but the problem is that films are very sticky and can...

03 April 2013 4,110 9 View

flexibility of polymers chain

effect of double bond on the flexibility of polymers

07 April 2021 0 0 View

Formulation of polymer color flakes

I am writing to request some information for making polymer color flakes. I would appreciate the help.

17 March 2021 0 0 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

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 1 View

Can we block unwanted images during the x-ray prediction?

i am try to classify the x-ray images. During classification , can i block unwanted images (except x-ray image).

03 March 2021 7,100 1 View

What techniques can I use to determine the miscibility of polymer blends?

The term miscibility refers to the single-phase state in thermodynamics. I do not mean the compatibility of different components. To determine the miscibility I know several techniques such as...

03 March 2021 4,107 4 View

Does anyone know to clarify these changes?

01 March 2021 1,290 2 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

1 nm thick MgO thin-film to be deposited on Si wafer using thermal evaporation. What will be the optimum deposition conditions?

Favourable conditions of base pressure, rate of deposition. Also, by which characterisation technique to be used to verify the thickness of the deposited film.

28 February 2021 3,640 3 View

How to calculate the crystallinity of cellulose film?

27 February 2021 2,753 4 View