Errors in DNA sequences?

I am trying to better understand the scope of DNA replication and sequencing errors, e.g. 1. I have seen similar error rates of 10e4 to 10e5 for cell & instrumental DNA replication,...

24 February 2021 4,397 3 View

Can I perform Zeta-potential analysis with for nanoparticles dispersed in propylene glycol using disposable capillary cell (DST1070) ?

I am conducting a zeta-potential experiment but it shows I have a poor quality result and my sample conductivity is low. My sample is copper nanoparticles dispersed in propylene glycol.

05 December 2020 3,966 9 View

No title

02 July 2020 1,966 6 View

Please help; How can I address ontological, epistemological, axiological issues in my research?

I am studying an application of Competence Based Training by teachers. I want to know how they apply it in classrooms, if they have any Pedagogy Content Knowledge (PCK) deficiency in using such a...

05 May 2020 1,039 15 View

Why is my antenna showing an impedance of 106.6 Ohms on the smith chart instead of 50 Ohms?

Hello everyone, I'm having difficulty with the line input impedance of a patch antenna signal. It's showing s1,1 impedance of 117 ohms on the smith chart but the correct impedance should be 50...

16 March 2020 6,552 3 View

Is there a statistical distribution to model the sum of independent squared Gaussian random variables with different means and variances?

The sum of squared zero-mean Gaussian random variables with different variances can be modeled by a generalized Chi-square distribution. However, I am looking for the PDF of the sum of squared...

06 January 2020 2,001 6 View

What mathematical function or formulae can enable me superimpose multiple curves (up to 25 ) on one another?

I wish to shift multiple lines or curves (up to 25 lines/curves) so that they are superimposed on one another. This is to enable me see clearly the points or regions where any one of the curves...

25 November 2019 6,530 4 View

How to model a hyperelastic plate in ansy apdl?

I am modelling an elastomeric bearing in ansys apdl but the elastomer does not bulge under compressive load as it should. it "splashes out" under any significant loading. is it the loading problem...

26 June 2019 2,003 3 View

What is a good measure of surface roughness (i.e. topographic complexity) that can be derived from a DEM?

I want to generate an environmental layer depicting topographic roughness, or complexity, scores using a DEM in ArcMap. I know there are lots of available methods (i.e....

09 April 2019 6,563 4 View

Use of SOD Assay Kit-WST wells, anyone with a clue on how best to add samples?

I am using this Kit for the first time. A number of dilutions for the sample of intent is prescribed. Blank 2 well should contain the sample solution, but it is not stated which of the dilutions...

25 March 2019 5,896 2 View

How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 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

How to find a correlation between coordinates in a curvilinear coordinate system?

Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...

28 February 2021 364 3 View

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 View

What are the methods used for CNT..?

Respected Professor's i hope you are doing well and happy. i need some information about carbon Nanotubes. before blending the CNT with the matrix the CNT has been introducing in some treatments....

24 February 2021 5,383 5 View

How can I generate random samples from Bingham distribution in R? How can I construct those symmetric matrices?

in the function rbingham(n,A) in R software how can I construct that A (symmetric) matrix?

24 February 2021 3,528 3 View

How does the injection volume impact LLOQ and ULOQ in regression analysis (LC-MSMS)?

Hello, I have run into an issue that has sparkled a debate at work: is the LLOQ/ULOQ impacted by injection volume under the following circumstances: 1) Same dilution factor of all samples 2)...

23 February 2021 9,159 3 View

Multinomial probabilities and confidence intervals - obtaining the CI of the reference category?

Hi, Some background to my question: I have fitted 1st order multinomial Markov models with covariates. Since all probabiilties (for each row of the transition matrix) sum to 1, I estimate only...

22 February 2021 2,541 4 View