How do i record the spatial displacement of an element (centroid) set?

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How should I prevent mould contamination on small seeds in a petri dish exposed to warm temperatures?

Hello all, Recently as part of a research project at university, we have been studying the effects of light and temperature on eucalyptus seed germination. In our initial run of trials we...

24 July 2024 8,850 4 View

What survey tool for letting subjects mark parts of text and write comments?

Hello everybody, I'm currently preparing a survey in which I want to determine how people respond to certain aspects of professional interactions. For this, I want to present them with written...

08 May 2023 801 3 View

Is plant authentication is important??

I did not want to authenticate my plant sample so Will this cause problems for me to publish papers in the future? Manily, i have worked with one plant but now the problem is the tree is no...

05 November 2022 4,579 1 View

Why are my lentiviral infected puromycin-resistant cells dying to puromycin selection?

I'm using two lentiviral vectors to infect HEK293 cells, the first virus has a hygromycin resistance gene, and the cells survive 100 ug/ml hygromycin selection. I then infect the cells with the...

30 September 2022 2,524 0 View

How do you determine if there is a statistical association between two categorical variables?

I am conducting research to see if there is an association between two conditions that present together in a specific cohort of patients, all with the same syndromic condition. Due to the nature...

02 April 2022 201 3 View

Which is the correct statistical test to use?

3 cohorts in the study control (n=19), pre-cancer lesion (n=21), cancer (n=9), and looking at a number of cells in the blood detected via GEDI. I do not know if the Mann-Whitney U test is...

13 December 2021 4,991 3 View

Tensile testing in ANSYS using a displacement?

I am required to use Ansys to run a FEA on some tensile test specimens that I am also going to test experimentally using a universal a testing machine. So far I under stand that I need to model...

18 August 2021 4,753 3 View

What is the best way to map different time periods within a social network?

So, I am wanting to take network data from various time periods of the same network and map it in a way that will allow for clear representation of each time period. For example, taking network...

10 March 2021 1,138 1 View

Complex wave form in ANSYS?

Is there a way to input wave speed in a complex form on ANSYS? The wave speed I need to assign a material is 325(1+0.11i) however I have been unable to do this thus far. Failing that, is there...

27 February 2021 6,418 1 View

Absorption behaviour of anechoic model?

I have modelled a unit-cell of an anechoic structure using ANSYS. The layer is silicone and has been assigned as an acoustics physics region, with an air cavity inside (the air has been modelled...

18 February 2021 4,433 1 View

Z-average size from Dynamic Light scattering can it be lower than the original probe size?

Hi everyone, Recently I have been conducting Dynamic Light scattering experiments in a micellar solution at 5 and gel at 37 degrees of Celsius with latex particles of diameter 190-500 nm. While...

01 August 2024 1,168 4 View

How to build my own lab made four point probe set up?

Hello, I'm trying to measure the conductivity of semiconductor films but since I don't have a commercial four point probe set up I would like to build one on my own in my lab. I have generators,...

30 July 2024 906 2 View

Is it necessary to attach fluorophore at 3' end in MIC RT PCR machine for Dual hybridization Probe designed especially for genotyping assay?

I designed 2 dual hybridization probes for my single SNP. where I attach my fluorophore 5'-FAM-nnnn-BHQ1-3', and 5'-HEX-nnnnnn-BHQ2-3'. I need to run it on the MIC RT PCR machine by Biomolecular...

28 July 2024 5,658 0 View

Can you suggest reliable procedures to get displacements from accelerations in frequency domain ?

I have identified many solutions. I need suggestion from somebody with application experience of this topic to identify the most reliable and robust procedure.

21 July 2024 3,465 5 View

Abaqus cylinder buckling riks analysis?

hi, I am doing a risk analysis of a cylindrical fuselage with windows. I have applied contact interactions between the different parts, and I have applied a unit value load to a reference point,...

20 July 2024 647 2 View

Masonry Interaction Module ABAQUS?

I am simulating interlocking / dry stacked masonry in Abaqus. I am using a friction coefficient of 0.6 for my model as it is stated in the previous research as well as in the base paper. The...

16 July 2024 5,047 0 View

How to use stress and displacement results from 1st stationary simulation as initial conditions for 2nd eigenfrequency simulation in COMSOL?

Dear All, I am trying to define the dispersion curves of a periodic unit cell in COMSOL Multiphysics with prescribed displacements. I am using two separate studies: - Study 1: Stationary, with...

13 July 2024 7,855 1 View

ATG in pPICZalfphaA vector: Yes or Not in front of the gene of interest ... ?

Is it appropriate to place the ATG codon in front of the gene of interest, since there is a secretion signal that has its own ATG in front of this gene? I need my protein of interest to be...

10 July 2024 3,050 5 View

Chromosomal spreads are shrunken after fluorescence in situ hybridization (FISH), why?

Dear colleagues, We are trying to do FISH on mice PDEC metaphase spreads. We use homemade biotin labelled probes, synthetized using a nick translation kit. For hybridization, initially we were...

08 July 2024 8,687 3 View

Abaqus不收敛，警告里面出现下列问题，需要更改哪个地方？?

The system matrix has 172 negative eigenvalues. Displacement increment for contact is too big. Displacement increment for contact is too big. The strain increment has exceeded fifty times the...

05 July 2024 3,839 2 View