mostly people observe 1D HOE for 1H-19F or 1H-31P.
What about 1H-13C?
I am trying to find methods for theoretical calculation of enthalpy of formation of Polymers. till now I have found the oligomeric method (Gaussian) which uses the extrapolation of results from...
05 February 2021 9,707 4 View
I am writing research orientationed book
24 December 2020 2,595 3 View
I am new to liposome making. My drug (carbamazepine, mol wt. 236) is highly insoluble in the water. I tried to load it in bilayer using a basic protocol. After lipids(DMPC, DMPG, Cholesterol)...
23 November 2020 4,886 3 View
Please share the protocol for antigen uptake assay by cancer cells. I want to use Dextran-FITC to track the endocytosis by cancer cells. If anyone has the protocol or any suggestions kindly share.
25 October 2020 469 3 View
I am planning an experiment where I've to detect cells which are expressing TetR, my vector is so big that I can't have a reporter in it. I was thinking if I can detect the expression of TetR...
24 September 2020 1,041 4 View
Suggest methods used for extraction of thiazole analog derivatives from marine, plant, animals, and microbes.
29 August 2020 5,428 3 View
1. Why both models ("cv_mars" and "mars1") produced the same results? What is missing here? Even used another hyper_grid as Please click here https://stackoverflow.com/q/61216514/12675265
27 April 2020 3,876 1 View
I would like to conduct Monte Carlo uncertainty analysis for actual and predicted data in R; Kindly share some effective resources; However, I have this where understanding the hyperparameters...
08 April 2020 458 2 View
I am analyzing the safety aspects of two food production sites producing similar products. I wish to compare these geographically distinct sites across seasons as well as processing steps. I have...
15 July 2019 550 3 View
Can anyone please suggest me code of LEACH algorithm in python.?
02 July 2019 5,023 1 View
Hello, I am trying to identify the formation of a synthesis product. Knowing the precursors, I focused on the identification of the H-C long-range coupling between sites (a/b) and (a/c) using...
19 January 2021 8,438 5 View
I need to analyse some solid samples (soils) for 13C NMR. Is there anyone who can help me out? The contribution of the contributor would be properly credited during any sorts of publication....
07 January 2021 2,016 4 View
Am in Peptide / Protein Research, may i know what useful analytical information we are getting from 13C & 1H NMR spectroscopy analysis? Somebody getting NMR for smaller proteins, any useful...
05 January 2021 1,196 7 View
I'm working on polymer. I've tried 8mg sample in 0.6 ml solvent for 13C NMR but I got a high noise spectrum. Any specific amount for polymer sample in running NMR ?
20 December 2020 506 4 View
I am trying to dissolve chitosan with pure D2O but it is not dissolving. I read some articles that used D2O for dissolving chitosan before 1H and 13C NMR analysis? Do I need to do some...
14 December 2020 6,931 5 View
I have a compound which is only stable in concentrated sulfuric acid and I'd like to get a NMR spectrum so I can deduce the structure. I use a 300 MHz Bruker instrument and the software is topspin.
25 September 2020 5,218 3 View
I have 1H and 13C NMR spectrum data and need help with interpretation. Inability to interpreted is stalling a project and we need expertise. Anybody can point me to the right experts please? Thank you
03 April 2020 2,066 3 View
I want to do NMR for my G-quadruplex forming Oligonucleotides in presence of a specific metal ion. Our lab is new to this topic and no one in our lab has experienced about this.I have tried using...
17 March 2020 8,355 2 View
Hi, Is it possible to record 13C NMR of stable suspensions in liquid state? I have activated carbon which forms stable dispersion in DMSO. Can I use this suspension to record the 13C NMR in a...
26 November 2019 6,389 2 View
I have performed d 13C carbonate in Cenomanian-Turonian core samples and got negative values, I need an explanation from sedimentology and petrology point of view. the target to detect the...
10 November 2019 8,298 4 View