What is the reactivity of 2-aminoimidazole?

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Does anyone know the source of ultrasound images of thyroid focal leasions?

Dear RG group, We are going to examine different AI models on large datasets of ultrasound focal lesions with definitive (patological examination after surgery in malignant leasions and biopsy and...

15 April 2024 250 2 View

Dear All, Where can I download daily photosynthetically active radiation (PAR) total data for free?

I need from 2022, March to actually. I was using the https://power.larc.nasa.gov/data-access-viewer/, but as of March 2022 no data has been recorded. Thanks !!

06 July 2022 1,267 0 View

[Fullprof] How site occupancy factor is defined in Fullprof, and how to calculate it?

Hello all, I’m fairly new at XRD analysis. Recently I tried to perform Rietveld refinement of newly synthetized spinel-based material using FullProf software . The material that was obtained by me...

01 June 2022 1,051 11 View

How to perform steered MD from initial to final conformation of the protein in AMBER?

Hello, I would like to perform steered Molecular Dynamics (sMD) to investigate conformational changes of the protein from the initial to the final form. I've got both initial and final coordinates...

19 September 2021 6,777 1 View

Are there any examples of writing a literature review in audiovisual translation?

I am studying the PhD in audiovisual translation where I chose three cartoons films as examples for examining and analysing the strategies used in their dubbing to the Arabic versions. The...

29 May 2021 8,898 4 View

Does anyone know providers of small (< 1um) soft particles e.g. polyethylene?

Hello, everyone! I am looking for providers of small soft particles (polyethylene, polystyrene) with sizes around 1 micrometer or less (it could be even better). I looked through the Internet, but...

14 December 2020 4,472 1 View

Can you recommend me a good online course about molecular biology? (Other biomedical online courses as well) ?

Dear Scientists Due to serious pandemic threat and the "stay at home" recommendation, I would like to ask you for recommendations of good online biomedical courses. My focus is to get better with...

15 March 2020 5,136 9 View

Why crystallization stops at melilite - pseudowollastonite cotectic?

I have conducted three experiments of melt crystallization with different temperature gradients (from 1,300 ° C to room temperature in 24h, 3.5 days and 7 days). Each time crystallization begins...

29 January 2019 4,102 2 View

Lokking for pestle for 60mL Sartorius Potter S motorized homogenizer?

Lokking for a pestle for 60mL cylinder Sartorius Potter S motorized homogenizer? Its a PTFE plunger and the factory number is BBI-8543003. I cnt find a company that still keep a stock. If you...

13 January 2019 7,019 0 View

Any comprehensive list of NLP tools for as many languages as possible?

I am going to participate in a linguistic project which aims at shallow analysis of more than 100 languages but I can't find any comprehensive up-to-date list of tools for minor languages. At...

29 October 2018 7,625 3 View

• What the possible Persistent Organic Pollutants and Heavy metals present in fluorspar, sediments, and water bodies around its mining area?

Approximate concentrations are require in compared with the WHO permissible limts

11 August 2024 2,723 1 View

Basis set and input instruction to calculate HOMO and LUMO using Orca for Imidazolium based organic salts?

Hey there, As a synthetic chemist delving into theoretical calculations for my imidazolium-based organic molecules, I would greatly appreciate any guidance on the appropriate input instructions...

09 August 2024 5,444 7 View

How to calculate CCS for Sodiated adduct ions and Multiply Charged Ions?

I'm currently working on calculating the collision cross section (CCS) for various ions, and I'm facing challenges when dealing with sodiated and multiply charged ions. Most of the resources I’ve...

08 August 2024 8,329 0 View

Separation of organic acids-HPLC?

Hello What should be done to separate and identify organic acids in HPC when their RetTime is the same?Like oxalic acid with Propanoic Acid.or acids that have a very close RetTime.

07 August 2024 8,782 3 View

How to convert g/kg Humic acid dose to kg/ha?

I used humic acid at 0.044 g/kg soil in my pot experiment. But finally, I have to recommend kg/ha. Each pot's soil weight was 11 kg. What is the solution?

02 August 2024 7,186 6 View

How to improve peaks separation in HPLC?

Hi everyone, I'd like to better separate two close peaks coming from a bioconversion sample, I'm currently using a C18 KromaPhase 4,6mm Ø.I. SCHARLAU, particle size (µm): 10, pore size (Å): 100,...

30 July 2024 435 3 View

Inquiry on Maximum Nucleic Acid Volume for 2.5 mL Liposome Solution?

I am currently working on a project involving liposomes and need to determine the maximum volume of siRNA that can be added to a 2.5 mL liposome solution with a total lipid concentration of 10...

30 July 2024 6,420 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

EDC carbodiimide and NHS easter 's half life among different pH?

It has been long known that EDC carbodiimide and NHS easter's half life agains hydrolysis are highly related to pH. However, very surprisingly, not yet found a paper giving a table/chart of their...

25 July 2024 8,738 0 View

Mechanochemistry: ball to powder mass or ball to powder volume?

I run mechanochemical reactions that involves the use of a large amount of catalyst (1:1 molar ratio to the reactant). When I try to understand the effect of amount of catalyst on the reaction, I...

23 July 2024 9,938 1 View