How to simulate enzymatic hydrolyis of sucrose in a CSTR coupled with ultrafiltration membrane with comsol?

Dear all, I am trying to simulate the enzymatic hydrolysis of sucrose with invertase in CSTR in Comsol. The reaction pathway is such that Sucrose + Water -> Fructose + Glucose. It is desired...

27 January 2021 2,525 4 View

For DNA purification, what is the difference between purifying magnetic beads and column?

Hi! I noticed that mostly the single cell assay use AMPure beads (magnetic) instead of purifying column. But both function through a DNA affinity coating, just on surface in beads and on membrane...

27 January 2021 9,043 5 View

How to design an Ultrafiltration membrane for a CSTR?

Dear all, I am designing an Ultrafiltration (UF) membrane coupled with a CSTR. It is desired to utilized a dead end stirred reactor. The main purpose is to separate the enzyme used from the final...

27 January 2021 7,924 1 View

Any stable dye to color acrylamide hydrogel beads?

Hi! We are generating hydrogel beads(50-60um) using microfluidics as single-cell beads. To simply all the experiments (especially the centrifuge), I am looking for a dye. The dye should be stable...

14 January 2021 4,383 8 View

How to cut dsDNA chain with Uracil-DNA Glycosylase at the point of dU in room temperature?

18 December 2020 6,908 3 View

No title

18 December 2020 2,575 4 View

How to immobolise streptavidin to polyacrylamide using EDC/NHS?

Hi! We are aiming to bind streptavidin to polyacrylamide surface. The EDC/NHS method bounced on me as a common method, utilizing the -NH2 of polyacrylamide and -COOH of streptavidin. Is there any...

17 December 2020 7,944 2 View

How to bind streptavidin to the surface of acrylamide?

We are fabricating acrylamide beads as probe substrate. How can we make streptavidin bind to the surface of the acrylamide? Thanks!

09 December 2020 8,141 7 View

Is there any endonuclease that reserve human DNA sequence?

We are designing a nucleotide probe for human gene. We need to then cut off the probe from the substrate. Yet the photocleavable space is tooooo expensive. We are thinking to use an endonuclease....

07 December 2020 5,828 3 View

Is there any cheap spacer on nucleotide (other than photocleavable) that can be cut off chemically?

07 December 2020 1,730 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

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 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

How can I measure MMP-1 protein activity or protein level from liver tissue?

Instead of checking only the mRNA level, I want to check the active protein level of MMP-1 in Liver tissue from mice. How can I do that?

03 March 2021 1,763 2 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

Does any one know how i can prepare liver tissue with transmission electron microscope with good fixation?

i have problem in preparation of liver tissue with bad cell organelles and how i can adjust osmolarity

03 March 2021 8,890 1 View