How to dissolve cross-linked Amberlite IRC120 H, hydrogen form resin?

Hello all, I have used Amberlite IRC120 H, hydrogen form acidic cation-exchange resin for the ion-exchange of waterglass [sodium silicate solution -- 40% Sodium silicate (mol ratio > 3.2)...

21 February 2021 5,614 3 View

What molecules bind to dsDNA?

Hello, there are some molecules that bind to double-stranded DNA; for instance, SYBR green and some antibodies. Are there more examples? Thank you

25 January 2021 7,595 4 View

What are best conditions for in vitro hybridization?

Hello, I would like to hybridize a probe and an anti-probe (ssDNA oligonucleotides) in a reaction vessel. What would be the best buffer to use? and the temperature of annealing? Thank you

06 December 2020 4,121 0 View

Which is the best statistical approach to an experimental measurement?

Hi everyone, my question is the following. I have to perform an experiment with the aim of finding a correlation between a quantity X (e. g. temperature) and a quantity Y (depending on X). Which...

06 October 2020 3,911 6 View

How to activate polystyrene with carboxyl group?

Is there a simple (that is one that requires few and not very exotic reagents) chemical reaction to "activate" or "functionalize" the polystyrene of a simple microtitre plate? In other words, I...

06 September 2020 233 3 View

What is the stability of EDAC in aqueous solution?

06 September 2020 4,305 3 View

What test to compare shannon index results?

Hello, I have obtained the following Shannon indices from a trio of samples: 27.73 (healthy tissues), 24.55 (primary colon tumor), and 1.20 (metastatic tissues). The indices have been obtained...

30 August 2020 5,543 1 View

What is the concentration of acid for an ELISA stop solution?

Hello, what is the correct molarity of a stop solution for a peroxidase using o-Phenylenediamine dihydrochloride (OPD)? I am getting all sorts of molarities, from fractional up to 3 M according to...

01 July 2020 3,729 1 View

Is there a database for bacterial features?

Hello, is there a repository of the basic characteristics of bacteria, such as maximum growth rate? In the works related to the modelling of bacterial growth, the parameters requested are always...

25 February 2020 5,498 2 View

Can the PCR fail to amplify high loads of target?

Hello, I did the PCR (long-range, target ~5 Kb) that is shown in the attached file. The lanes are: 1. ladder 2. target (plasmid purified from E. coli after transfection), 50 ng/uL corresponding to...

18 February 2020 6,863 3 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

High aspect ratio hexahedral mesh optimization solver?

I am interested in evaluating mesh optimization solvers that converge to high aspect ratio unstructured hexahedral grids. In other words, I am interested in a solver that optimizes warpage,...

26 February 2021 7,279 2 View

How to use measure capacitance change in COMSOL time dependent study ?

I want to measure change of capacitance due to relative displacement between two parallel plates in COMSOL. Distance between two plates changes with time. So I'm using a time dependent study but...

26 February 2021 8,567 3 View

Error in comsol?

Dear respected researchers, while performing CFD analysis in Comsol it's showing like this Error: Nonlinear solver did not converge. The maximum number of Newton iterations reached can...

24 February 2021 249 3 View

What software programs can directly simulate Additive Manufacturing Directed Energy Deposition (DED)?

I understand there are a lot of software programs that can simulate DED by going through specific modeling, simulation, and commands. For me, that was time consuming and results were not accurate....

24 February 2021 4,428 3 View

Implementation of chance-constrained optimization problem via scenario approach?

23 February 2021 7,826 2 View

How can I find the effect of different parameters like (Reynolds number, Hartman number, volume friction etc.) in COMSOL?

Here I am facing this problem. I don't find any effect of this type of parameters. I am a beginner user of COMSOL.

23 February 2021 9,086 3 View

How to Implement Elastoplasticity in a PCL model in COMSOL Multiphysics?

I am using COMSOL Multiphysics 5.5. I am trying to simulate the tensile test of PCL scaffolds. However, regardless of the strain, I have the elastic region all the time which is not true when it...

23 February 2021 4,050 1 View