It is possible to reuse the filters of the Centricon Plus 70?

More José Ramón Vielma's questions See All

Why do open and free science in a world where science is not open and free?

Because I have realized that the world tends more and more to do open and free science and there is a trend more and more to choose free databases, free tools and open access platforms.

01 August 2024 10,046 1 View

How can I use DFT-D3 correction ( Siesta version 5.0.1)?

Dear Siesta Users, I installed Siesta 5.0.1 and I want to use Grimme's D3 correction. According to the 5.0.1 manual, I could use a few parameters to include the D3 correction in the...

27 July 2024 5,748 0 View

Comparison of Methanol and ethanol treatment on collagen based scaffolds?

Kindly share a research paper that explains the effect of Methanol and ethanol treatment on collagen based scaffolds. How it increases porosity and swelling. Kindly help me find a paper. Thank you

24 July 2024 3,937 0 View

How to represent Annexin V apoptosis study data in publications?

Hi, I have performed an Annexin V apoptosis study using flow cytometry and got quite good results. I doubt how to represent the quadrant percentages in the final bar graphs. Some papers only show...

13 July 2024 356 3 View

In silico techniques for identification of inhibitor/activator/substrate activity?

Hello dear researchers, I would like to know about available in silico tests that could predict the activity of ligands (small molecules) against the target protein. I have performed docking...

08 July 2024 4,724 4 View

Is seti need to be fixed in radio colimated?

seti or search of intelgenece articial nee to be fixed due to masss solar systems outhere thta expelled laser beam light ollimated wel beign so is neede to modificated the seti in a new device of...

21 June 2024 5,059 1 View

Best method for extracting RNA from low biomass of Ectocarpus (filamentous brown algae)?

Hello everyone! I am currently working with the model organism Ectocarpus (filamentous brown algae). Our team is trying to standardize a protocol for RNA extraction using low biomass (around 10...

18 May 2024 3,862 1 View

Problems in measuring TG/DTG, Different results for the same sample, how to fix it?

TG measurements on the Hitachi STA7300 equipment started to have different results for the same material after some time of use Some tests have already been carried out to try to correct it: Gas...

17 May 2024 7,438 4 View

¿quiero tener tesis sobre el equilibrio en la educación física?

tener una relacion el ejercicio físico con actividades de equilibrio

16 May 2024 5,290 2 View

How to Discrete the Fourier Transform with codes in C Programming?

Two values will be used for your calculations here: N2 = N1 and N2 = 2N1. Your programme should carry out the following steps: see the attached documents. Thank you in advance

29 April 2024 8,957 0 View

How to develop investments in renewable energy sources?

08 August 2024 5,112 3 View

Is artifacts in XPS possible to build high deviation in binding energy larger than 5 eV??

Hello. Thanks for your consideration to see my question. Recently, I conducted XPS anaylsis of g-CN that is prepared from thermal polycondensation of DCDA, so-called conventional bulk-g-CN,...

30 July 2024 9,824 2 View

Is there a database with onshore wind production for the wind farms in Portugal?

I am looking to predict some production for future onshore wind energy production in Portugal, is there any database with info of performances of the existing wind farms in the country? something...

28 July 2024 1,750 1 View

HAs anyone used TGA to find activation enegy of water evaporation?

I have different polymer solutions and I hypothesize that water molecules are retained based on the water-polymer interactions, so the amount of free water is less to intercat with drug tablet....

28 July 2024 9,545 6 View

Can we eliminate the stress singularity at the tip of the crack by manipulating the elastic constants?

The aim of the research here is to prevent the propagation of the crack in the fabricated elastic medium with useful applications.

25 July 2024 9,976 3 View

Can anyone kindly suggest research topics in the area of thermodynamics, heat transfer, fluid mechanics or renewable energy?

I am an undergraduate mechanical engineering student seeking suggestions on topics related to either thermodynamics, fluid mechanics, heat transfer or renewable energy for my final year project....

24 July 2024 4,058 5 View

Is it feasible to employ an artificial sun in the experimental investigation of concentrated solar power systems, specifically linear Fresnel systems?

Is it feasible to employ an artificial sun in the experimental investigation of concentrated solar energy systems, specifically linear Fresnel systems? If the answer is affirmative, what type of...

22 July 2024 9,710 6 View

Why binding energy is in positive number after performing mmpbsa?

I performed mmpbsa of protein-protein complex simulation on gromacs. My binding free energy is +166781. This complex is stable when experimentally produced in wet lab. In index.ndx I grouped...

19 July 2024 4,120 5 View

Why electrical charge on the moving plate increase?

Hi, everyone This figure depicts a simulation of an electrostatic energy harvesting system in COMSOL Multiphysics software. My question is regarding the relationship between the changes in...

19 July 2024 4,694 4 View

How to extract binding energy from pv.maegz file without using Schrodinger?

I have conducted virtual screening using Schrödinger on a database of 17,000 molecules. Unfortunately, I cannot use the system with the Schrödinger license at the moment. I am trying to find a way...

18 July 2024 2,881 4 View