What might be the reason for the appearance of 'black stringy/shards' in cell culture?

When using a tissue culture treated plate, I started to run into these weird black stringy/shards. If it were contamination, my best guess would be that it is a fungal contamination. However I do...

18 November 2020 2,979 11 View

Could you please suggest a reliable software package for the evaluation ELISA data analysis?

Is there free software available for the analysis of ELISA data (96 wells plates)?

27 September 2020 7,865 2 View

The cost of instill EPI sequence on scanner ?

I want to use MRI clinical scanner for research purpose (Philips type), but most of the MRI clinical does not have EPI sequence for doing fMRI experiments, is that possible and how much it cost to...

16 April 2020 8,874 3 View

What is the best sensitive electrochemical methods for determination of trace impurities in drugs formulatiin?

Traces in drugs has an effective role in human health so it is worth to suggest a senssitive methods for detemining these traces

11 February 2020 3,698 2 View

How to solve negative eigenvalue in Abaqus CAE?

I have built my model in Abaqus, and everything is fine, but when I run it. it showed that Abaqus/Standard Analysis exited with an error - Please see the message file for possible error messages...

22 October 2019 9,949 3 View

How to make hmmviterbi faster in Matlab?

I am using a code that calls the hmmviterbi hundreds of thousands of times for long sequences of emissions (about 10000000 symbols) and big A and B probabilities matrices at each call. This makes...

16 June 2019 3,608 7 View

Any suggetion for journals with fast publication in Elsevier, Springer or other good journal?

I have a review paper in geopolymer concrete, i need suggestions for good journal with fast publication.

05 March 2018 1,200 28 View

How to simulate an optical antenna in COMSOL?

how can I simulate an optical antenna in COMSOL ? is there a model to show the basics of this?

24 February 2018 8,443 5 View

I need your help . a straightforward question about log of cfu ?

Simply, it is an experiment to compare the number of bacteria in a dental root canal without dressing the canal with medication and after dressing the dental root canal with medication . The...

04 December 2017 4,832 3 View

Please I need help. when an author in a paper says that the number of bacteria is 7.1 of log (cfu) how can i calculate the real number of bacteria?

Please I need help. when an author in a paper says that the number of bacteria is 7.1 of log (cfu) how can i calculate the real number of bacteria?

03 December 2017 850 8 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

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

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

Is there a deep reason for using the squared modulus of the wave function as the probability density of the existence of the particle?

I think we were all surprised at the first time we got to know quantum mechanics that the squared modulus of the wave function is the probability density of the existence of the particle? The role...

28 February 2021 6,282 9 View

Zno nano particles colour changed from white to grey in process of calcination any suggestions?

In the formation of Zno nano particles process, after drying at 120 degree C, my zno nano particles are completely white but when i calcine it for 450 degree C it converts into grey colour. i...

26 February 2021 2,435 4 View

Why there are two peaks while using the mie plot of Silver nanoparticle?

Hi, I am trying to learn the theoretical modelling of silver nanoparticle using the Mie scattering theory. After that, I discovered a software named Mieplot developed by Philip Laven, where it...

25 February 2021 7,493 6 View

How to calculate Z (the number of molecules in a unit cell) for calculating theoretical density?

I am trying to calculate the theoretical density of my ceramics materials. I use the formula below to calculate the theoretical density: Theoretical density = (Molecular weight x No. of molecules...

24 February 2021 3,823 2 View