How do you interpret and understand 11B 3Q MAS NMR graph?

I am a novice to NMR and need help in understanding what i am looking at in terms of 11B 3Q MAS NMR graphs. Any resources for beginners would be helpful in interpreting the data. Literature only...

20 January 2021 2,648 3 View

Is there a way to distinguish between overlapping energies in XAS graphs from the P L1-edge from the B K-edge?

Is there a post analytical methodology or experimental technique used to distinguish between overlapping energy edges in XAS?

09 September 2020 2,894 4 View

How do you apply chemometrics to Raman spectroscopy of glass samples with varying degrees of crystallinity?

What are the formula's and peak fitting types needed e.g. gaussian, lorenzian...

28 April 2020 2,301 3 View

Is there any other analysis methods one can do to analyse Raman spectroscopy data, other than stacking the plots and doing difference curves?

I am looking at glasses and the effect a certain component has on the peak positions and intensities. I do not have any complimentary techniques as of yet to help me analyse the data such as NMR.

27 April 2020 256 5 View

How to interpret and analyse data from accelerometer and gyroscope?

Hello, I am a research student looking into behaviour of horses. I am trying to use IMU devices to detect movement in horse movement (step frequency, lying down, etc). I understand how the sensor...

07 August 2018 5,646 3 View

What am I doing wrong - extracting a sapogenin for NMR?

I use hydrochloric acid to release a steroidal sapogenin from its saponin, then neutralise it with sodium bicarbonate. I am confident the hydrolysis works because the mixture no longer produces a...

03 June 2018 3,814 3 View

What is the ideal procedure for testing anti-tumor with low cost price? What can you suggest procedure for extracting polysaccharides?

Hi! I am Katrina Co from the Philippines! I am just a High School student, I have only a limited samples for testing and a low budget (maybe around 6000 pesos or around $120). I only have limited...

29 May 2018 8,311 3 View

Any ideas for a protocol or extraction kit for extracting DNA from tomato fruit for the study of bacterial microbiota using NGS?

I'm trying to extract DNA from tomato fruit in order to study the bacterial microbiota found inside the fruit using NGS. I have tried using a CTAB protocol, but the precipitate is highly charged...

20 April 2018 423 3 View

I am looking for the protocol for DNA extraction from prostate biopsies?

I am planning to use COBAS 4800 to test for HPV in prostate cancer. What will be the best sample type for DNA extraction and the best protocol?

20 November 2017 2,387 2 View

How can I design a simulink model of passive optical network using matlab simulink?

25 September 2015 4,534 4 View

How do I determine the degree of polymerization of PEG 400 based on NMR integration?

Hello, I am working on the photocatalytic degradation of PEG 400. I would like to know if it's possible to determine the degree on polymerization based on NMR integration, or by the MW of the...

02 March 2021 6,186 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View

What could be some reasons why unstimulated monocytes are getting activated?

Im doing PBMC isolation -> CD14+ enrichment using magnetic beads -> stimulation setup. My negative control is just cells in cRPMI but they seem to get activated over and over again.

28 February 2021 7,883 3 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

How to include original NMR data in a manuscript?

hello. i am junior researcher. I received a comment from a reviewer that he could not find NMR data in my submitted paper. I had included the NMR graph with explanation and formula to calculate...

27 February 2021 734 4 View

How to detect uv vis spectrum of nanoparticle under 300nm?

I try to make the indium nanoparticle and check the uv vis spectrum. I heard that In nanoparticle has surface plasmon resonance peak at 200~300nm. But most of solvent has absorption peak under...

14 February 2021 6,950 15 View

How to derive equations for a resonant buck converter with ZVS?

I am not understanding how each author is deriving the equations and the working principle. Individual authors are giving their own working principle explanation for different circuit topology....

12 February 2021 496 1 View

How to increase coupling range (distance between reader and sensor coils) in LC resonance circuit?

Hello great researchers, I am working on a wireless pressure monitoring project where sensing part is actually an LC resonance sensor and I am using a planar coil as a reader to get wireless...

11 February 2021 4,148 5 View

What are advantages of NELF model?

I am trying to simulate permeation of gases in polymers. For this reson normally i use the clasic models like dual sorption model but newly i foun dthe non equilibrium lattice fluid model. It...

03 February 2021 1,203 3 View

Can anyone recommend me a NMR Handbook?

Hi, I've been searching for a NMR Handbook with 29Si chemical shifts information but I can't find one. Also I've tried to find an online database with that kind of info but I have no lucky. Can...

02 February 2021 307 3 View