Nonlinear Boundary Conditions and the Effective Stiffness?

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Can I use TCA instead of TFA for protein analyis in RP-HPLC?

I am trying to analyze lipase using the reverse phase-HPLC C18 column. In the literature, 0.1 % TFA was and 60% ACN was used. Can I use TCA in place of TFA? If any other methods are available to...

25 February 2021 2,388 3 View

What is the difference between Q sepharose column and DEAE Sepharose column?

I am working on protein (lipase enzyme) purification. After using the Sephadex G-25 fine column, which column (Q or DEAE sepharose column) should I use? What are the buffers should I select? Thank you

16 February 2021 6,921 5 View

How to use ArcGIS to separate certain % of data points scattered over certain area?

I was able to make a grid using fishnet in ArcGIS. But after that, I need to select 20% of points from each cell and make a different file containing ids of the data points as testing data set....

07 January 2021 9,533 1 View

How to quantify the two components overlapping in HPLC?

I am analyzing the biodiesel using reverse-phase HPLC. Methyl Oleate and Methyl Palmitate are overlapping in a single peak. How can I quantify the individual components from the same peak?

14 November 2019 1,406 9 View

I am working on a medical imaging research and if anyone knows where I could find CT scans of the brain with and without contrast agents?

I have looked up Cancer Imaging Archive but I need a bigger dataset. Can anyone help me out with some good places to look at for more images with and without contrast agents?

28 October 2019 4,219 3 View

Formula to calculate the plating cell volume based on the doubling time, culturing time, desired confluency and the volume of the culture flask?

Hi I am working on various cancer cell lines now. For my experiments, doubling time is really very important. Because even a small percentage of dead cells will affect my measurements. I have...

09 June 2019 6,592 6 View

Difference in carbon footprint between imported and locally produced food?

Field to fork studies....any papers or on going research?

28 May 2019 5,334 3 View

How to troubleshoot the IF staining problems in skin tissues?

Hi We are working in the area of psoriatic diseases. We are everytime getting the problem in expression of protein in dermis. We unable to see the expression in epidermis. Even, we did IHC too...

29 November 2018 4,074 1 View

Why is in situ hybridisation preferred over immunohistochemistry in paraffin embedded mouse embryo sections?

I am trying to characterize early embryos and most literature I have read seems to prefer in situ hybridization over immunohistochemistry to study expression profiles of different proteins. Does...

13 November 2018 8,911 1 View

What is the Power-Train-Efficiency of Diesel engine locomotive in %?

I am thinking the efficiency to be around 15%. Please help me with the exact value.

25 October 2018 8,025 4 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

MD MOE RMSD

How to calculate the RMSD values for a MD simulation using MOE?

07 August 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 View

fatal error

16 June 2021 0 0 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

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View

Qasim M. Shakir

Following the answers

Venkatesh Patnana

Thank you Mohammad Amin Motamedi

For your valuable inputs in helping to solve the problem. I recently read a paper suggested by my friend and I am attaching here its title.

Influence of isolator characteristics on the response of base-isolated structures