Thiosemicarbazide tautomerism - opposing results form XRD and NMR, IR

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Could anyone provide the source code to plot basin of attraction of a map (like logistic map or something else)??

I want to find basin of attraction for delayed logistic map like this: x(n+1) = A*x*(1-x(n)-B*x(n-1) I wrote bellow (MATLAB) code, but it just show three basin of attraction for given parameter...

21 May 2024 1,686 0 View

How to improve this ITC data?

Hello, I'm Sanam , a grad student new to ITC. I am trying to do titration between a protein and small molecules, that we do not know anything about Kd. For doing titration the protein...

06 December 2023 3,879 0 View

What is the best instrument to assess the sexual & reproductive health needs of students?

I am looking for a questionnaire that can be used to assess the sexual & reproductive health needs of students. Thank you for your help.

25 August 2023 3,380 3 View

What is the best instrument to assess the sexual & reproductive health literacy of students?

I am looking for a questionnaire that can be used to assess the sexual & reproductive health literacy of students. Thank you for your help.

25 August 2023 3,236 2 View

How to get sigmoid graph in ITC?

Hello, I'm Sanam , a grad student new to ITC. I am trying to do titration between a protein and small molecules that we knew it binds to the protein since it's a commercial inhibitor. I purified...

07 July 2023 343 5 View

How to delipidate a protein using Lipidex- 5000 ?

Hello, I work on FABPs, I have a question about delipidation of FABPs after purification. I would appreciate if anyone could help me. Thank you in advance.

25 April 2023 6,545 5 View

Why in copolymerization of acrylamide with AMPS, the product is insoluble after drying inthe vacuum oven?

I co-polymerize acrylamide(AM) with 2-acrylamido-2- methyl propane sulfonic acid (AMPS) via solution polymerization. I add hydroquinone at the end of the polymerization for termination. The...

26 March 2021 5,390 6 View

TCAD for quantum devices?

Can somebody please confirm which tool is recommended for a 3d simulation of quantum devices where accurate computation of eigenstates is required for sub 10nm devices? I think Sentautus device is...

17 December 2019 2,298 6 View

How to clean mixture of paramagnetic and diamagnetic ruthenium compounds? Ruthenium PPh3 coordinated to schiff bases?

Obtained diagmagnetic XRD structure but NMR shows paramagnetism, what could of happened?

29 January 2019 1,006 6 View

How we can make magneto Graphene without applying the magnetic field

How we can make magneto Graphene without applying the magnetic field?and investigate the optical properties of graphene?

18 June 2017 2,265 1 View

I need JCPDS file of LSFCO nanomaterial. Can anyone provide me?

Require for Rietveld refinement in XRD.

08 August 2024 3,081 2 View

How to understand this crystallographic phenomenon of low temperature crystals in zeolite?

During low-temperature testing, new diffraction peaks that appear could be indicative of several phenomena. In one of our tests, we observed notable new peaks around 40° and 45° in a specific...

06 August 2024 726 3 View

How to fix background error in rietveld refinement of one XRD peak using GSAS-II?

I want to refine one XRD peak of my in-situ xrd but the background is never working good which ultimately fails the refinement. How to refine and adjust the background using GSAS-II

05 August 2024 5,291 2 View

How to calculate the molar proportions of the oxides from the XRF analyses?

02 August 2024 2,565 2 View

Hello, regarding Mxene 2D titanium carbide?

I fabricated Ti3C2Tx using concentrated HF 40%, I plot an XRD as attached image below.. please let to know if I obtained it or not.

02 August 2024 6,789 4 View

Why Powder XRD is performed after cruhsing a crystal if Single Crystal XRD analysis of the same crystal has been performed already ?

What information we can get from PXRD analysis other than from SCXRD analysis of a crystal ?

30 July 2024 6,261 4 View

How to know the b axis of a single crystal?

How to apply magnetic field parallel to b axis of any crystal

29 July 2024 4,083 2 View

Can anyone guide me the best method to analyze the XRD data???

I will be doing an XRD on a sample which is powdered in natured and is a hydrogenated compound. I would like to know how we can understand the individual components and components by using the...

28 July 2024 4,548 2 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

Guidance needed for preparing the hydrogel samples for the XRD instrument?

I'm working with a hydrogel sample and I'd like to perform XRD analysis. Can anyone offer guidance on preparing the hydrogel for the XRD instrument? Specifically, I'm unsure about the best method...

20 July 2024 3,611 4 View