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

Gene synthesis - pros and cons of codon optimization?

Dear all, I am synthesizing a nematode gene for reexpression in human cells and functional characterization (not for protein expression/purification). What are the pros and cons of codon...

04 November 2019 2,399 2 View

How to estimate regression to find which firm-specific characteristics explain cross-industry heterogeneity in the firm returns?

I would kindly like to ask for guidance regarding my question below. To illustrate my question: I have two industries: Industry 1 and Industry 2. Both industries contain a number of firms that...

20 May 2019 4,907 1 View

Protocol for stable BaTiO3 nanoparticle suspension preparation?

I have BaTiO3 nanoparticle (particle size

19 November 2018 3,324 1 View

Is there a method to make a serum working on paraffin embedded tissue?

We have raised a rabbit antiserum against a protein coupled peptide. This peptide has been reported to be antigenic and some papers have been published with a commercial preparation raised in the...

22 January 2017 5,681 4 View

Can anyone recommend antibodies for histochemistry of rat macrophages and B-cells?

We try to detect macrophages and B-cells in rat bone-tissue. However, we get cross reaction when using mouse monoclonals. Has anybody experienced similar problems and developed a solution?

15 December 2016 2,972 4 View

Which exon should I target for CRISPR-Cas9 system?

Is there any rule/preference which exon should I target to knock out the GOI by CRISPR-Cas9 system?

13 November 2016 4,728 5 View

Who has experience with activity assays for FOLH1?

We have observed a massive transcriptional regulation of FOLH1 in cell cultures. This protein is also known as Prostate-Specific Membrane Antigen or Glutamate Carboxypeptidase II. However we were...

25 October 2016 4,658 2 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

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 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

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View