Applied Radiation Physics and Radiation Protection
Teacher
Dr K Venkata Prasad
Category
Core Courses
Course Attendees
Still no participant
Course Reviews
Still no reviews
Course Name : Applied Radiation Physics & Radiation Protection
Code(Credit) : APRIT 301 (3-0-1)
Course Objectives
- To understand the importance of the X – rays in medical field
- To study the applications of radiotherapy sources.
- To develop an understanding of radiation measurements.
- To understand how to follow radiation protection rules
- To study the physical properties and applications of x- ray machine techniques
Learning Outcomes
- Know what it takes to have a career in physics in x-ray techniques
- Understand the need to increase Physics in radiology
- Know the radiation protection rules and measurements
- Know the application of physical parts in x-ray machines
Course Syllabus
RADIATION PHYSICS
Module -1
Effects of variation of tube voltage current, filtration, III waveform and target material on X-ray production, laws of radioactivity and decay schemes of different alpha, Beta, gamma ray.
Module -2
Megatron and position emitters as used in medicine especially in radiotherapy. Artificial radionuclide generators employed in medicine in general and radiotherapy sources in particulars.
Module -3
Physical requirements of beam defining devices e.g. cones, diaphragm, collimators etc. Units of radiation measurements specification of quality and half- valve thickness (HIV) and its measurements, filters and filtration.
Module -4
Measurement of radiation and dosimeteric procedures. Radiation detectors and their principles of working. Definition of Bragg-peak , percentage depth dose, peak scatter factor, tissue air-ratio, tissue maximum ratio, scatter air ratio, isodose curves and radiation penumbra of different beams.
Module -5
Wedge filters, wedge angle, hinge angle. Compensator beams flattering filters, scattering foils. Physical properties of phantom materials, bolus and substitutes. Factor used for treatment dose calculations, Daily treatment time and monitor units calculation method physical aspects of electron and neutron therapy.
RADIATION PROTECTION
Module -6
Definition of radiation hazards maximum permissible dose and annual limit of intake (ALI) permissible dose levels on and around sealed source housing and installation principles of radiation protection and MPD of different ICRP rules, stochastic and nonstochastic effects.
Module -7
Importance of ‘ALARA’ physical principles of design and planning of installation safe work practice in teletherapy and brachytherapy. Shielding materials Radiation survey and personnel monitoring devices film badge, TLD badges pocket dosimeters.
Text books:
- Advance Medical Physics by Rehani , publisher jaypee brothers
- Radiation Physics by Faiz M Khan, publisher Lippincott Williams & Wilkins
References:
- An Introduction to The Principles of Medical Imaging Revised Edition by Chris Guy & Dominic fytche, Published by Imperial College Press
- Diagnostic Ultrasound Imaging and Blood Flow Measurements Published in 2006 by CRC London Press New York
Session Plan
Session 1
Effects of variation of tube voltage current, filtration, III waveform
https://www.tandfonline.com/doi/pdf/10.3109/02841866609133133
Session 2
Target material on X-ray production
Animation: https://www.youtube.com/watch?v=IsaTx5-KLT8
Session 4
Different schemes of alpha, Beta and gamma ray decay
Session 5
Megnetron and position emitters as used in medicine especially in radiotherapy
Session 7
Artificial radionuclide generators employed in medicine in general.
Session 8
Discussing about radiotherapy sources in particulars.
Session 9
Explaining Physical requirements of beam defining devices i.e cones, diaphram and collimator
Session 11
Measurements of specification of quality and half-wave thickness
Session 12
Discussed about the filters and filtration
Session 13
Measurement of radiation and dosimetric procedures
Session 14
Demonstrate the principles and working of radiation detectors.
Session 15
Explain the Bragg peak, percentage depth dose, peak scatter factor,tissue air – ratio, tissue maximum ratio and scatter air ratio.
Session 17
Session 18
Demonstrate the Wedge filters and wedge angle and hinge angle
Session 19
Explaining the working of Compensator beams flattering filters and scattering foils
Session 20
Explain the physical properties of phantom materials
Session 21
Explain bolus and substitutes, the factors used for treatment dose calculations
Session 22
Demonstrate the daily treatment time and monitor units calculation method aspects of electron and neutron therapy.
Session 23
Session 24
Explaining the annual limit of intake (ALI) permissible dose levels on and around sealed source housing
Session 25
Explain the installation principles of radiation protection.
Session 26
Explain MPD(maximum permissible dose), Different ICRP rules
Session 27
Explain Stochastic and nonstochatic effects
Session 29
Explain physical principles of design and planning of installation safe work practice in teletherapy
Session 30
Explain physical principles of design and planning of installation safe work practice in brachytherapy
Session 31
Explaining the shielding materials and radiation survey.
Session 33
Case Studies
Case Studies
Our Main Teachers
I am working as Assoc. Prof in the Department of Physics. I obtained M.Sc, M.Phil and Ph.D in Physics from Andhra University. I published number of papers. My specialization is Atomic and Molecular Spectroscopy and also interested in computational methods and material science.