I am a professor of the National University in Colombia, in this moment we star to plan a new reseach group in x-ray Phase Contrast Imaging

More John William Sandino del Busto's questions See All

Technically: Do proctoring software add to quality assurance in assessment in blended learning modules?

One of the challenges in ensuring quality and integrity in blended learning modules is cheating especially when it comes to assessment (Tests, exams, and assignments). Now one of the solutions...

21 July 2024 6,741 0 View

Abaqus cylinder buckling riks analysis?

hi, I am doing a risk analysis of a cylindrical fuselage with windows. I have applied contact interactions between the different parts, and I have applied a unit value load to a reference point,...

20 July 2024 647 2 View

Did Einstein misunderstand the photo-electric effect?

Photo-electric effect A light particle moving towards a surface cannot (by collision) force an electron particle to move away from that surface. A light wave can instead make interference with a...

19 July 2024 8,389 9 View

Can we find the Gromacs version from XTC file or TRR?

Hello everyone, This soudns like a strange question, but I created five XTC files using five different versions of GROMACS some years ago. All other files are missing, and I want to repeat the...

16 July 2024 7,205 2 View

Two PhD and One Master to expand R&D team, anyone interested?

Hi all, if you are looking for PhD and Master opportunity to work on Microalgae research and Biosensor for bacteria detection. Please do not hesitate to email me [email protected]

07 July 2024 7,576 0 View

Is light quantisation an illusion?

The photo-electric effect does not support quanta in light, since a light particle moving towards a surface cannot cause an electron to move away from the same surface at a right angle. Instead, a...

06 July 2024 2,288 35 View

Is gravity an EMERGENT phenomenon?

Newton found the law of gravity - but did not understand it. Fatio understood the law - but he was not accepted. Fatio assumed fast particles moving in all directions. Stability in planetary...

30 June 2024 9,284 28 View

Any automatic way to outline an image to measure the area in pixels?

Hi, I am trying to measure the area of the caudal fin in zebrafish, to study regeneration. I need to measure the area of the regenerating fin every 3 days after injury. So far, i have been using...

27 June 2024 5,068 1 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

Considering the issues with the ERP of GCTU, management has asked that you advise them on cloud computing models.?

Considering the issues with the ERP of GCTU, management has asked that you advise them on cloud computing models. You are expected to give 3 advantages and disadvantages of each of the models....

09 June 2024 5,629 0 View

1. If I can quantize the atom using this hyperbolic spiral and classical physics, could nature do the same?

If we map as a continuous motion an ionising electron (beginning its journey at n=1) in an H atom, a specific hyperbolic spiral appears (see animation). When we solve this spiral formula, we find...

07 August 2024 5,343 2 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 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

How to find projects for a team of professional developers in AI?

We are looking for projects for a team of professional developers About us We are a team of experienced developers with over 10 years of experience in various programming fields. Our mission is to...

30 July 2024 8,377 0 View

Why do some of my Raman spectra show no signal at lower Raman shifts?

I'm using a InVia Renishaw Raman microscope system (785nm wavelength, 600l/mm grating density) to acquire Raman images on human brain samples, at 50um resolution. The samples are placed on MgF2...

30 July 2024 8,771 3 View

How do I correct that wrong author's profile in my publication?

I am writing to request a correction regarding the affiliation of one of my co-authors, Donald Ho. Currently, the author's profile incorrectly lists an affiliation with The Hong Kong Polytechnic...

28 July 2024 6,824 0 View

What exactly is it about biotechnology and medical research?

I'm very interested in biotechnology and medical research and I'd like to meet a professional here and talk about it together

28 July 2024 3,798 4 View

Will the catalytic effect of retained austenite happens in steels including RA?

The catalytic effect of retained austenite refers to the phenomenon wherein quenching steels with a small amount of retained austenite, when subjected to tempering at a specific temperature...

27 July 2024 8,508 0 View

Problem with Two-phase simulation?

Hello; I am conducting a CFD study on two-phase flow in a separator, utilizing refrigerant as the working fluid. For this study, I have implemented pressure inlet and pressure outlet boundary...

25 July 2024 2,309 5 View

Is the zero-zero component of the metric tensor equal to 1 for accelerating reference frames?

Consider the case of negligible gravity but there is an accelerating reference frame. Its origin traces out a trajectory, or world line, seen in some inertial reference frame. The Lorentz metric...

24 July 2024 1,608 15 View

Zhen W Zhuang

I am a Research Scientist at Yale (Cardiology) and I am interested phase contrast imaging, however, I am not working in Geman

Alexander Rack

Perhaps contact the following group in Wurzburg:

http://www.physik.uni-wuerzburg.de/en/institute_einrichtungen/department_of_physics/lehrstuhl_fuer_roentgenmikroskopie/lrm/

Muhammad U. Ghani

The simplest phase contrast imaging technique is the propagation based imaging and it has a good potential in dose savings. I would suggest to start reading the literature. You would need a $100K minimum for the setup that includes a source, detector, phantoms. Our lab is actively doing research in pbi and grating based PCI.