Is there a simple method to create very narrow but very bright light beam?

One of my microscopy application I would need a very narrow (0.5mm - 0.1mm) light beam (not laser!) to illuminate biological specimen. (cells) Is there any method to create such light beam? As an...

05 January 2021 5,352 4 View

Is it possible, that nitrogen purging gas reacts with solute Sr during the rotary degassing treatment of liquid aluminum alloys?

During our experiments, we conducted multiple rotary degassing treatments with Ar and N2 purging gases on a 356 alloy with 200 ppm Sr. We found that the fading process of the added modifier is...

25 September 2020 5,341 3 View

How to calculate the planar disregistries between y-AI2O3 and Al3Ti?

I would like to calculate the planar disregistries between y-AI2O3 and Al3Ti with the aid of the disregistry model of two-dimensional lattices proposed by Bramfitt, to evaluate the nucleation...

06 December 2019 3,592 4 View

Could someone suggest a recent textbook on zootaxonomy & animal evolution & phylogeny for teaching purposes which covers ca. the whole Animal kingdom?

I'd prefer a book using results based on both molecular and classical methods. If there's no such book covering the whole animal phylogeny, then I'd also welcome a book on "Chordata" or "Vertebrata".

25 January 2015 1,309 8 View

Which free software for DNS64 implementations exists?

Due to the depletion of the global IPv4 address pool, some new Internet clients will not be able to get IPv4 adresses, but only IPv6 addresses. However the majority of the internet still uses IPv4...

19 December 2013 4,070 3 View

I need to image mesoporous silica nanoparticles that are in ~100 nm size and do high resolution TEM to look at mesopores. what grids should I use?

Need to image mesoporous silica nanoparticles using the TEM. Also, need high resolution TEM images to see the mesoporous structure. Kindly suggest what kind of grids to use. Thanks, Shatadru

02 March 2021 1,787 2 View

Discrete Phase model (DPM) particle break-up has particle size limits during particle tracking?

Hello, I am currently working on simulating water droplet partciles in a closed room. When I use uniform particles, without "particle break-up", I can carry out the simulation without any problem....

02 March 2021 3,053 2 View

How optimize the Size Exclusion Chromatography?

Hello! I'll do a size exclusion chromatography, but I only have an open column, and I'll perform the peptide extraction from yeast, using buffer lysis (sodium phosphate 50 mM/NaCl 30 mM/DNAse and...

01 March 2021 2,215 2 View

No title

01 March 2021 3,905 5 View

Can chitosan alone can act as a reducing agent for Cu(0) nanoparticle sythesis?

[Synthesizing Cu nanoparticles without using chemical reductants]

01 March 2021 8,359 1 View

What test should I use to compare two or three means, if data is not normally distributed but sample size is > 30 in each group?

I personally feel this as a most confusing question. As per my understanding, if sample size is > 30, and sample is skewed, we can still use paramteric approach, as it will follow Z...

01 March 2021 1,587 6 View

Is it necessary to report effect size (ES) in statistics of biomedical research given that we already report p values routinely?

Pls share your thoughts

01 March 2021 7,330 4 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

What is the state of the drug inside solid lipid nanoparticles (SLNs)?

I am a little confuse with the mechanism of solid lipid nanoparticles (SLNs). The main point of encapsulating drugs into SLNs is because some drugs have low solubility in water. Therefore, SLNs...

01 March 2021 3,703 3 View

How to check the uv-vis absorption of nanoparticle by surface plasmon resonance?

I try to check the uv-vis absorption of Indium nanoparticle. Now I am measuring in solution, can I measure it in the form of a film?

01 March 2021 930 3 View