Dr. Torbjörn Näsmark

Instructor

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Biography

Torbjörn Näsmark is a PhD student specializing in medical physics with a focus on dual-energy computed tomography (DECT) methods for tissue characterization and preparation for proton therapy treatment planning. He works in radiation protection and aims to leverage DECT techniques to enhance the precision of proton therapy, particularly for pediatric patients. His research investigates methods to predict proton stopping power ratios (SPR) using DECT data, which is critical for improving treatment outcomes. Through the use of formalism such as that developed by Jackson and Hawkes, he applies virtual mono-energetic imaging to estimate SPRs effectively. Torbjörn holds lectures on topics including Dual-Energy CT and Photon Counting CT, contributing to the educational landscape in the field of medical physics.

Research Interests

Experience

PhD Student

2021-09-01 — Present

Umeå University • Umeå, Sweden

Engaged in research focusing on DECT-based methods for tissue characterization and proton therapy preparation.

Courses

Dual-Energy CT Photon Counting CT

Requirements for Umeå University

Master Program
Requirements
GPA Requirement
Required:2.5
IELTS
Listening
Required:5.5
Reading
Required:5.5
Writing
Required:5.5
Speaking
Required:5.5
Overall
Required:6.5
TOEFL
Writing
Required:20
Total
Required:90
PTE
Overall
Required:62
Prerequisites
Bachelor's degree (180 ECTS) in relevant field At least 90 ECTS in the main subject area
Application Checklist
  • Bachelor's degree certificate
  • Transcripts of records
  • Proof of English proficiency
  • Copy of passport
  • Letter of Motivation (certain programs)
  • CV (certain programs)
Specialization Notes

Requirements are standard for Master's programs across Social Sciences and Humanities at Umeå. English 6 proficiency is the general rule.