How can I simulate the optical absorption spectrum of a biomaterial (like DNA or protein) in COMSOL?

I need to simulate the optical properties of a biomaterial, namely DNA, in COMSOL. Basically I need to simulate the IR absorption spectrum of a cylinder filled with a 'concentration' of DNA. I am...

21 February 2021 3,043 3 View

What are simulators for 5G based IoT networks?

How can I connect IoT device/Applications to 5G network and which simulators can be used?

09 November 2020 787 5 View

How to Evaluate Interlaminar Shear Stress in Abaqus?

03 July 2019 9,042 3 View

How to Create a Mesh in Abaqus Like This?

Hello, I am trying to create a mesh for carbon fiber layers that are placed around a cilinder (Image 5). The problem is that when I create a mesh in Abaqus (Hex elements, Structured), each...

01 July 2019 5,727 2 View

Why do I obtain false positives in Datsenko strategy (red recombinase)?

Hi there! I am trying to obtain a knock-out using Datsenko strategy. I am working with pKD4 (as a template for PCR) and the pKD46 vector. Once I obtained the linear DNA (using primers with 50 bp...

09 December 2018 2,676 10 View

How to report a Fisher's Exact from SPSS data?

I am wanting to report a Fisher's Exact as my data violated an assumption for Chi2. Can you please suggest how I report the output from SPSS in the attachment. I appreciate your guidance!

20 August 2018 7,669 4 View

What are the latest global HIV figures for 15-24 year old age group - especially number of new infections?

Hi everyone, I have been searching and searching for the latest HIV global figures for the 15-24 years old age-group. Esp. new HIV infections & prevalence. As I am doing a research project with...

16 August 2018 3,207 1 View

Have you done any research involving the Mediated Learning Experience Rating Scale?

This only applies to the specific Scale, the MLERS. I am writing a paper that compiles the research on this. I already have a number of studies, so if we have been in touch over the last few...

30 July 2017 3,116 3 View

What do you believe the purpose of education to be?

18 March 2017 3,468 9 View

How does one calculate effect size and sample size when the treatment condition involves a number of rounds with a time trend?

26 February 2017 968 1 View

Gel electrophoresis result for total RNA samples, 1.5 Agarose gel was used, How to improve the integrity of RNA?

Gel electrophoresis, RNA degradation, RNA extraction from fresh tissue

02 March 2021 5,433 5 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

What is the characteristic length to determine the Reynolds number for the scattered turbulent fluid flow?

Dear all, I just saw this example in FB on the difference between laminar flow and turbulent flow. The flow from a pipe hits the sink and scattered. The flow from the pipe is characterized as...

02 March 2021 1,999 5 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

How to show arrows over the streamlines in CFD-post?

I follow this to make streamlines like the photos attached below: (software- CFD post-processing) First I plot the 2D streamline over a surface "streamline 1". them I plot a vector by the...

01 March 2021 8,668 3 View

How to increase mesh quality of a cfd model in ansys fluent?

How can one improve mesh skewness, orthogonality, aspect ratio?

28 February 2021 7,730 3 View

Problem with shRNA transfection. Why are only two plates getting contaminated instead of all?

I transfected my LNCaP-WT cells with 3 shRNA plus their NTC two weeks ago and split two puromycin selected cell plates on Friday last week(Feb 26). I checked for GFP in the cells, and they all...

28 February 2021 4,949 3 View

Any specific pipeline or parameter to analyse total transcriptomics study of brain tissue samples?

I have two groups of brain samples, control and treated for example. It was total RNA nova seq sequencing. I tried all the available pipeline like: star+rsem+deseq2, Hista+stringtie+cuffdiff,...

27 February 2021 356 6 View

Why is the efficiency of viral mRNA electroporation in PBMC low?

Hello, I have been struggling with the electroporation of PBMC with HIV-I mRNA. Although the quality of the RNA generated is good, and the handling of the cells in meticulous, the frequency of...

27 February 2021 9,233 3 View