Dushyant Kumar

12 Questions 17 Answers 0 Followers

Questions related from Dushyant Kumar

How to improve the reproducibility of plantar flexion exercise while lying supine?

Hi, I am performing some MRI based experiment aimed at assessing the oxidative capacity. The exercise involves performing plantar flexion exercise while lying supine inside the scanner. I would...

04 February 2020 9,023 2 View

Does Gd-DTPA: (MRI based Gadolinium contrast agent) has exchangeable proton?

I am trying to perform some calibration experiment for AcidoCEST: a novel approach to measure in vivo pH. It uses Iodinated contrast agent that are also used in CT. For my phantom experiment, I...

10 January 2018 9,308 1 View

Cortical impact injury in mice: how much expertise is needed?

Hi, I am planning to start an animal experiment investigating time course of neurometabolic cascade post mild TBI (traumatic brain injury). The problematic part is the animal model. Unfortunately,...

17 May 2017 9,827 1 View

Migraine: Role of glutamate and its clinical significance?

Hi, I am an MR physicist and currently, I am planning to initiate a project on migraine research aiming at mapping (2D/3D spatial map) glutamate in migraine brain. Unfortunately, I am still not...

05 May 2017 5,005 17 View

Various radio-tracers in PET (Positron Emission Tomography) and their potential applications?

Hi, First of all, let me accept upfront that I am an MRI physicist and have no plan to initiate PET based research in future. None the less, I often come across PET based studies while attempting...

24 April 2017 1,053 2 View

Liver Fibrosis and classifying its stage?

First of all, let me accept upfront that I am an MRI physicist, with very little understanding/knowledge of biochemistry and anatomy of human body. I am working on developing an MRI based...

12 April 2017 7,702 9 View

Role of lactate/oxidative stress in mild traumatic brain injury (TBI)?

Most of papers and review articles, that I have come across, only talks about abnormally elevated level of lactate in moderate or severe TBI. I could not find any such report in case of mild...

09 August 2016 2,172 2 View

Looking for Collaborative Relation with Researchers Interested in White Matter Disorders(from India & Belgium, Estonia, Portugal, France and Norway)?

Let me first apologize for putting this collaboration request in question-answer section. However, I could think of any other way to reach to relevant researchers faster. I am an MRI scientist...

04 May 2015 7,301 2 View

How do I generate a slice profile of refocusing pulses in MRI?

Hi, I am wondering if someone can help me out with some slice profile simulation. I am trying to simulate the slice profile of 180 degree refocusing pulse surrounded by “crusher pair”. I can...

21 October 2014 6,299 4 View

What is a faster way to calculate exponential and inverse for series of slightly different matrices?

I have a matrix which is 6x6 and a vector 6x1. I calculate C1 = expm(Aoff*Tau); and C2 = -pinv(Aoff)*B; Please have a look at the structure of my matrix and vector: Aoff = [[-r_2s...

02 October 2013 6,605 0 View

Diffusion tensor template for brain

Hi, I am looking for the diffusion tensor template (MRI) of a single slice or 3D brain. I would prefer if it would be from ischemic stroke. I plan to use it for a simulation to see if a novel...

01 January 1970 8,433 1 View

List of muscular disorders with intramuscular heterogeneity along the muscle length?

Hi, I am working on developing an MRI based imaging method for measuring/detecting creatine recovery rate in creatine kinase (CK) reaction post plantar flexion exercise. It's 2D variant, with...

01 January 1970 7,420 4 View