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

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

How can I use the hall effect experiment to measure the electron concentration in FTO thin film on substrate glass ?

i have an FTO layer on substrate glass , how can i connect the circuit and measure the hall constent and electron concentration

10 May 2018 4,443 5 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

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 View

Buffer to disrupt platelet alpha granules for PF4 quantification?

Hello! I want to quantify by ELISA the secreted (from platelets poor plasma) and the non-secreted (from platelet lysate) PF4 before and after TRAP stimulation. I will use the ELISA from R&D...

03 March 2021 1,499 2 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View