Check on protein's proline cis/trans configuration by NMR?

More Peter Rehbein's questions See All

How do you obtain a Letter of Access for Citizen Researchers?

Please may I ask if non-salaried Public Contributors conduct data collection interviews or Focus Groups with NHS patients as part of your study? This means that the Public Contributor will either...

29 July 2024 3,085 0 View

Can DEPC-treated water be used as a replacement for OCT when embedding frozen tissue on cryostat?

Hi everyone, I am currently working on RNA extraction on tissue, but unfortunately, I only have large frozen clinical tissue on hand. In order to maximize the RNA integrity, I plan to use...

25 June 2024 7,550 1 View

How to write literature review?

i want to write literature review on the topic " production of 3d PLA filament"

19 June 2024 1,712 2 View

Does Trizol LS yield more and better RNA than normal Trizol?

Hi, I am currently working on RNA extraction on blood serum samples using Trizol. However, the RNA yield is quite bad, on average, only yielded 200ng per 200ul of sample input, and the A260/280...

18 June 2024 6,854 3 View

Unstructured Interview Design?

In my qualitative study, I am trying to avoid the traditional belief that types of qualitative research design are just grounded theory, ethnography, phenomenology, case study, historical, and...

15 June 2024 3,884 1 View

What could dissolve MgO nanoparticles over time?

I have a set-up were I have a bottle with water (DI water, 0.8uS/cm). To that bottle I have added some MgO nanopowder, at a concentration of ~ 0.08mg/ml. It appears that the white powder is...

04 June 2024 9,789 4 View

What strategies are being employed to mitigate the environmental impacts of urbanization, particularly regarding habitat loss and fragmentation?

As urbanization accelerates, the environmental toll of rapid urban growth becomes increasingly apparent. Please pitch your opinion/idea on this question as we explore innovative approaches...

02 June 2024 737 3 View

Histology - mitochondria: Hi RG members. Is anybody aware whether a reliable method for determining mitochondrial density exists for light microscopy?

I would like to look at mitochondrial density in transverse sections of intestine. I do not have access to a TEM. I cannot really determine based on an internet search whether it is feasible to do...

02 June 2024 5,373 2 View

Is my researchGate profile going to be visible on search engine ?

My profile on researchGate is not yet visible on goggle

26 May 2024 5,824 1 View

How do climate change-induced alterations in precipitation patterns impact freshwater availability and quality in different regions globally?

Climate change-induced shifts in precipitation patterns are reshaping the availability and quality of freshwater resources worldwide. Join us in examining the far-reaching implications of these...

19 May 2024 8,764 3 View

Why might the impedance values for DI water and 0.1X PBS buffer solution exhibit a decreasing and increasing trend, respectively over time (HP 4194A)?

Hello everyone, I'm encountering an issue with my electrochemical impedance spectroscopy (EIS) measurements and would appreciate some insights. Experimental Setup: Electrodes: Gold interdigitated...

05 August 2024 3,783 2 View

Why do paired electrons atoms produce no magnetic field lines?

If you think of electrons with spin as bar magnets, you know bar magnets of opposite polarity as long as they're not occupying the same spatial location don't cancel out each other's magnetic...

03 August 2024 3,927 2 View

How to correctly use the UTE and ZTE pulse sequences in Bruker's ParaVision software?

I am using a Bruker 600M solid-state NMR spectrometer with a Micro 2.5 microimaging system. The test sample is a tube of 1M LiCl aqueous solution, and the nucleus detected is 1H. I am trying to...

01 August 2024 9,227 1 View

Mossbauer spectroscopy Co0.6Mn0.4Fe2O4 MNPs?

Following curve related to Co0.6Mn0.4Fe2O4 Magnetic nanoparticles with extra phase a-Fe2O3. I will appreciate to help me to interpretation this spectroscopy, especially the blue line.

31 July 2024 9,140 2 View

How to calculate conductivity using Electrochemical Impedance Spectroscopy's Nyquist plot?

Hello everyone, I am new to this characterization but watching videos on youtube I have already plotted a Nyquist plot (Z' and -Z'') and already fitted models on my material using Zsim. But now I...

29 July 2024 1,376 0 View

IHC profiler in image j software. has anyone used it to quantify nuclear DAB positivity?

Dear researchers. I tried using the IHC PROFILER in image j to quantify nuclear DAB staining. I followed the instructions in the original article by "Varghese F, Bukhari AB, Malhotra R, De A...

29 July 2024 2,229 0 View

Why semicircle of nyquist plot is not complete?

While I am doing HER, I noticed that nyquist plots of Electrochemical Impedance Spectroscopy (EIS) is not complete. Will it affect for the Linear Sweep Voltametry (LSV) data? However, I can found...

26 July 2024 7,542 4 View

What is single absorption ESR spectroscopy ?

In the context of Electron Spin Resonance (ESR) spectroscopy, under what conditions is an absorption spectrum considered to be a single absorption spectrum?

25 July 2024 2,325 1 View

How many events should be counted for the analysis of apoptosis with nuclear staining with Hoechst 33342 whit microscopy ?

Greeting How many events should be counted for the analysis of apoptosis with nuclear staining with Hoechst 33342 whit microscopy ? Are 100 events count sufficient and three repetitions for...

25 July 2024 7,520 0 View

Can we fit a gaussian Fit on a LIBS Peak ?

Though much literature suggests fitting a Voigt profile on a LIBS peak, is it also possible to fit a Gaussian profile on the LIBS peak? I have 204 spectra files, and I am building a pipeline for...

23 July 2024 6,127 1 View