TD DFT, electronic transition ?

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Hi I want to make a DNA marcomolecule a flexible receptor in Autodock 4. However, I keep getting an error that prevents me so could someone explain?

I'm performing interactions between DNA as the macromolecule and Ethidium Bromide as the ligand. I'm looking to make the entire DNA molecule flexible in order to perform blind docking. However, I...

10 June 2024 6,270 1 View

How to prepare a dsRNA sample for melting analysis (Tm)?

I want to prepare a dsRNA sample of O.D. 1 to use it for determining Tm. But there is no module in the nano-drop for dsRNA like that for dsDNA. what should i do ?

06 February 2024 6,933 1 View

Who is interested to be a collaborator in research project with prior experience in PBPK simulation models like PK-Sim, GastroPlus and SimCyp?

Conducting a research article project, which includes drug-drug interactions using PBPK (pharmacokinetic and dynamic) simulation softwares like PK-Sim by OSP and GastroPlus by Simulations Plus. SO...

04 February 2024 9,687 0 View

Can anyone suggest an optimized protocol for collagen degradation/digestion using collagenase enzyme?

I need information on concentration of enzyme to be used for particular amount of collagen, the buffer solutions, temperature, time, pH required for the optimal enzyme activity. According to the...

19 November 2023 6,457 1 View

What will be a alternative option to mark shoreline from Landsat series to run DSAS model?

Literature mostly said that to calculate shoreline change, download the satellite date and calculate NDWI to generate shoreline. But I want to know, what will be an alternate reference to download...

06 November 2023 3,490 0 View

Can anyone help me find a good journal for molecular biology with less publication fee?

I'm struggling to publish my work because I cannot find a good journal with less publication fee as most of the good journals are charging more than $2000. My work is based on colorimetric LAMP...

28 August 2023 7,065 3 View

How to prepare 0.5 U chitinase enzyme from 5 U pack size (lyophilized) given the concentration or enzyme activity ≥200 units/g solid?

The calculation i tried, Since 200 U is present in 1g that is, 200U IN 1000mg Hence 5 U will contain 25 mg. And for 0.5 U we'll need to take 2.5mg. But i am confused as to in what volume this...

07 June 2023 6,498 3 View

What kind of biochemical enzyme assay techniques are implemented in research to validate the enzyme’s role in a biological pathway?

Hi, I am a novice in the field of biochemistry. Thus, need inputs on what current feasible biochemical assays are used to elucidate the role of an enzyme in a biological pathway. Any related...

06 July 2021 7,095 2 View

I want a non-capsulated control for my phagocytosis experiment. Could anyone suggest me which strain of E. coli doesn't have a capsule?

I have DH5alfa and wild type E. coli strains. Which strain I should use for the non-capsulated control? Will there be a total absence of capsule?

07 December 2018 3,581 1 View

AAO template is burning in electron beam deposition as well as thermal deposition for gold coating. any suggestion?

I am using gold to coat the AAO template in order to achieve conductivity. The coating on the template is blackish and does not conduct. Hence can anybody help me out here if they have already...

23 February 2018 5,472 2 View

How do I replace a file with a more recent version of a paper that was uploaded to ResearchGate?

The paper in question is "Interpolation of Nitrogen Fertilizer Use in Canada from Fertilizer Use Surveys". This paper was very recently published by Agronomy (MDPI). Agronomy has, in the last day...

07 August 2024 9,934 3 View

Is changing the medium during the experiment overestimate the results?

I am experimenting with cancer and non-cancer cells in a 12-well plate for 4 days with a seeding density 1*10^4/well, however, I noticed that the control group growth rate slows down on D3. Should...

07 August 2024 2,283 2 View

Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

How to solve g_mmpbsa error?

Program: g_mmpbsa, version 2024.1 Source file: extrn_apbs.cxx (line 152) Fatal error: Failed to execute command: $APBS pybYcUWA.in --output-file=pybYcUW.out

07 August 2024 6,066 0 View

Should I include H atom into C3N5 when i am doing DFT modelling?

Hi all, my experimental XPS results shown that my C3N5 sample consists of N-H bond, hence in this case I should incorporate the N-H bond into my DFT modelling. However, I do notice several papers...

07 August 2024 8,414 2 View

How do you delete a duplicate pdf for the same paper on ResearchGate?

The first pdf file I uploaded had an error. So I uploaded an updated, corrected pdf of that paper with a different pdf name. I dpon't want the old copy to be download or read.

07 August 2024 9,508 1 View

AUX gas reading problem on QE with full MS and PRM method in one run?

Dear QE-users, In the method where full MS positive mode and PRM mode are used, we always get an incorrect auxiliary gas reading (41 instead of 25). This only happens in this method; other...

06 August 2024 4,953 0 View

Are there any good simple systems or platforms to recommend?

In order to show people the beauty of control and enhance enthusiasm for learning control theories, are there any good simple systems or platforms to recommend?

05 August 2024 10,034 1 View

Why do exism movements become permanent dictatorship threats within liberal democracy thinking under majority rule-independent rule of law system?

Exism movements after gaining power within liberal democracies under majority rule and independent rule of law system become permanent dictatorship threats, but why this is the case is not clear...

04 August 2024 8,125 3 View

How to use Density Functional Theory to calculate carrier mobilities of solid system?

Hello, everyone. I have tried to determine carrier motilities of some materials, by Density Functional Theory, using Quantum ESPRESSO. There are a few methods to do it, like a package called...

04 August 2024 8,894 1 View