Can I use the CHARMM GUI input files for Gromacs in HPC?

Good day everyone! I am a Biochemistry undergraduate in the Philippines and to be very honest, we have no background in bioinformatics since we really focused on wet lab techniques + theory. Due...

15 February 2021 3,422 4 View

Cause of slow bromophenol blue migration and smearing while running SDS PAGE?

While running gels for western blotting, I am currently getting, what seems to be, the blue dye from my sample buffer migrating more slowly in sample lanes leaving blue streaks. These transfer to...

08 February 2021 5,317 3 View

Same sample, significantly different trace for DMF vs. THF for cyclic voltammetry?

Dear reader, I've been having trouble with my cyclic voltammetry recently, but I then had a break through and managed to get apparently "clean" results using dry, deoxygenated THF and/or DMF,...

06 January 2021 4,312 3 View

Can I use GROMACS for field-theoretic simulation of copolymers?

I need to know if I can use GROMACS instead of LAMMPS for my undergraduate thesis wherein I will generate phase diagrams of copolymers using FTS. Thank you so much!

22 November 2020 3,725 3 View

How to quantify lncRNA/miRNA in ribosomal depleted RNA-seq?

I did some ribosomally depleted RNA-seq in rat brain. Does anyone have recommendations on how to quantify/compare small RNA expression between samples? I have used RNA STAR to map reads back to...

11 November 2020 5,331 1 View

What are some essential steps when using THF for cyclic voltammetry?

I'm new to electrochem/cyclic voltammetry. I'm interested in measuring cyclic voltammograms of organic semiconductors in organic solvents, specifically, THF. I know that in principle I should be...

09 November 2020 2,298 4 View

At what stage of development do animals develop sentient?

I'm trying to find out in the development between being an embryo and an adult animal does the animal become phenomenally conscious? I'm especially looking for recommendations for articles on the...

30 August 2020 3,815 3 View

How to depolarize cultured primary neurons with KCl without them dying?

14 August 2020 1,488 8 View

Recommendations on model enveloped viruses that are easy and safe to propagate?

Hi everyone, We are synthesizing a virucidal material that will kill SARS-CoV-2 on contact. In these preliminary stages, we want to use enveloped surrogate viruses that are the easiest to...

08 August 2020 6,731 4 View

Where can I purchase fluorescent silica nanoparticles?

Hi all, I want to purchase fluorescent silica nanoparticles (with and without a functional group to make it hydrophobic) in powder form. A variety of size options would be key. Preferably, if you...

04 August 2020 7,440 6 View

Is anyone familiar with the cyclic compressive fatigue testing (BS EN 12697 - 25) ?

I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...

28 February 2021 2,004 3 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

How to determinate of molecular structure of salt into the liquid?

I need to determine the open formula of our complex, presumably consisting of sodium tungstate Na2WO4 and aluminum sulfate Al2 (SO4) 3. Our problem is that with an increase in the concentration...

11 February 2021 5,821 1 View

Anionic sulfate complexes of rare earth elements, are they real?

Can you please tell me if there are anionic sulfate complexes of rare earth elements? And, if so, can you advise sources where you could read about it. Thank you!

17 January 2021 8,812 2 View

Any reference to learn numerical methods for Viscoelastic compressible fluids(oil) (CFD)?

I am developing a solver to simulate compression of oil in shock absorber filled with viscoelastic compressible oil. The model will consider the loss due to viscosity which will decide the...

15 January 2021 1,707 1 View

How to implement truss element with no effect of compression in ansys workbench static structural?

I was trying to add ligaments in cervical spine geometry. There it is mentioned in the existing literature to add the ligaments in the geometry as truss element with no effect of compression....

03 January 2021 2,205 0 View

Why does bending stress(Sx) in ANSYS APDL direct below of point load FE 2D modelling simply supported point load higher than exact solution in value?

Why does normal bending stress/flexural stress value (Sx) just direct below a concentrated load of simply supported beam which is compression stress higher than the hand calculation Exact solution...

03 January 2021 8,462 3 View

Is the concrete tensile stress-strain curve a tenth of its compressive one ?

The known compressive stress-strain curve of concrete corresponds to the negative strains despite the selected axis shift to the positive strains values. The concrete tensile yield stress is known...

27 December 2020 7,309 7 View

How to measure both Sulfites and Sulfates Ions In water?

Could you please help me to know a very simple method to measure the amount of Sulfite (SO3) and Sulfate (SO4) ions in the water? (titration preferred)

27 December 2020 9,350 4 View