How to interpret flow cytometry results ?

Hi, I am working with biomaterials, and I did an analysis of cell viability with CFDA and one to mesure ROS with MitoSOX indicator. The software project 5 graphs (each for a different...

09 October 2017 1,558 4 View

How can I find out the area of a TEM micrograph?

I am working with size distributions of nanoparticles. But I also need to show my results as a function of area (#NP/area). Does anybody know how calculate the area of a TEM micrograph?

04 May 2014 6,971 4 View

How much UV-light exposure time is required to disinfect a laminar flow hood?

How much UV-light exposure time is required to disinfect a laminar flow hood?

06 July 2013 7,980 19 View

Which substrate is the best for Saintpaulia ionantha (african violet)?

Hi I am acclimating African violet, but I need help to choose the best substrate I have 4 options: 1.- peat moss 2.- peat moss (25%) & perlite (75%) 3.- peat moss (50%) & perlite (50%) 4.- peat...

06 July 2013 8,839 0 View

If you are measuring the interplanar spacing, what is the justified % of error to consider?

Hi I am measuring the interplanar spacing of some nanoparticles, but many of them are not exactly as the fcc that have to be. I look for an aproximate value to mine, But I like know what is...

06 July 2013 8,329 0 View

Explant, propagule or plant? How do you say....?

I am writing a protocol about the acclimatization of a plant But I don't know how to say : when I retire the culture of the medium, can I say that I obtain the plant, or is there another...

05 June 2013 1,110 1 View

Eucaryotic enzyme in lactobacillus plantarum

I want to insert papain which is a eucaryotic enzyme but contains 3 disulfure bonds. How can I do that such that lactobacillus plantarum expresses the enzyme with the correct structure?? I am...

04 May 2013 6,299 0 View

Fourier Transformation and lattice parameters.

I am working in the characterization of Silver nanoparticles, but I don't know exactly how to use my results of Fourier transformation specially in the angles and relate to silver lattice parameters.

04 May 2013 5,708 1 View

Optical properties for photoluminescence?

03 April 2013 480 2 View

A saccharomyces cerevisae vector with 35S promoter/

Does anybody know about a yeast plasmid that I could use to overexpress an ADH1 (Alcohol deshydrogenase 1) and that use a 35S enhancer?

02 March 2013 3,259 5 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

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View

What are the new 2D nanomaterials were used for Silver nanoparticles stabilization?

In the stabilization of AgNPs are vital in current research interest. However, some of the 2D nano-materials like graphene oxide, MoS2, etc... previously used to stabilize it. But still they shown...

01 March 2021 2,207 3 View

Apart from Nanosilica and CNT's what are the other nanomaterials readily available to use in concrete mixture?

Nanotechnology in concrete materials

01 March 2021 3,379 3 View

What is the density for pva electrospining?

I'm Juan Carlos, a high school student who is working with electropinning, I made an electropinning machine with a 21g needle and a 30kv high voltage source and the distance between my needle is...

28 February 2021 298 3 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

LEDs on Vis Light photo degradation of MB water sol via N doped TiO2 in a mini flume?

Good day to all, I have no experience with light emitting diodes. I am building a glass mini flume to demonstrate the photo degradation of Methylene Blue in water running over self cleaning...

26 February 2021 4,026 5 View

Can anyone share his experience regards Smoothing in origin?

I am working on TiO2 composite material and the results of XRD have a lot of small/junk peaks and while I apply a smooth filter in Origin then the other characteristics peaks disappear so anyone...

26 February 2021 8,183 3 View

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View