Desafios para la educación preescolar en Colombia
21 February 2021 5,601 3 View
20 January 2021 7,043 2 View
We are two undergraduate students seeking for help!!! We are trying to simulate a laminar flux through a 3D pipe (25 cm long, 2 cm of diameter) consisting of a multiphase flux (air and water). We...
23 November 2020 3,918 3 View
I was wondering if it could be possible to modulate a CW laser to pico/nano seconds pulsed laser somehow. I need to generate that condition to pump DFB polymeric lasers. Probably using...
16 November 2020 7,601 3 View
Hello, I'd like to apologize for my English in advance, I'm still trying to polish it. We are performing several bone marrow transplantations (BMT) or fetal liver transplantations (FTL) to...
05 November 2020 4,239 1 View
Hello, I am currently analyzing properties of some minerals such as Bi2O3 by MD using Materials Studio, I need to obtain the cohesive energy density (CED) to obtain the solubility parameter,...
02 November 2020 4,356 1 View
I am curious what the differences are between using grounded theory or interpretive phenomenological analysis (IPA) for my dissertation. I am seeking to both complete my dissertation for...
29 October 2020 3,066 4 View
I want to calculate grain size and microstrains. I fitted my peaks with a Voigt function but the FWHM of the Loretzian contribution resulted to be nearly zero, lower than the FWHM obtained from...
28 October 2020 2,578 1 View
Hello, I am interested in the validation of CNVs (deletions and duplications) in human samples by qPCR. We are trying to validate the primers for the experiments, but the primers are not working...
21 October 2020 5,896 2 View
Suppose you have a mixture mostly comprised of saturated fatty acids of carbon chain length C10-C20. Is there a process to convert them to unsaturated fatty acids? The opposite process is well...
11 October 2020 2,955 4 View
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
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
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
Whether L version and D version peptides should have identical NMR, especially in the state of self-assembly have to have identical NMR? How to use HRMS to confirm L version or D version...
01 February 2021 6,756 4 View
Hi everyone ! Does anyone have any experience in extracting RNA from exocrine pancreas (which is very high in RNAse)? The pancreas is frozen tissue. I wonder if RNAse is also high in the nucleus,...
31 January 2021 390 2 View
The nuclear data inferred Hedysarum as a non-monophyletic lineage, whereas plastid sequences supported it as a monophyletic group. One of the reasons for this is chloroplast capture through...
25 January 2021 8,559 3 View
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
I am trying to do antigen retrieval on mouse brain sections to stain for proliferative markers like MCM2, Ki67, PCNA etc on tissue that has mCherry conjugated to a transcription factor of interest...
18 January 2021 1,023 3 View
The silver nanoparticles, which are solid form and I want to study the XRD pattern of this nanoparticles by Nuclear Magnetic Resonance (NMR), so I asked which solvent are used for dissolve of...
13 January 2021 3,434 4 View
Hello, I have a small purified protein, 15kDa. Iam seeking some technical service to build its 3D structure by Cryo -Sem, or NMR. However, I was told by some technicians that Cryo-Sem is only...
12 January 2021 5,072 3 View