Default view
Education Courses Biophysics I.

Biophysics I.

Language
English
Nature
mandatory
Method of evaluation
semi-final examination
Year in the curriculum
1
Semester in the curriculum
1
Credits
2
Lectures
30
Allow for
  • Vet EN

Course description

To provide the physical (biophysical) knowledge required by basic and clinical sciences in veterinary training.

 

Recommended:

S. Damjanovich – J. Fidy – J. Szöllősi: Medical Biophysics, Medicina, Budapest, 2009, ISBN: 9789632262499

M. M. Sternheim and J. W. Kane: General Physics, Wiley, 1991, ISBN 0-471-53401-3

Lectures theme

1.  

Measurements, physical quatities, units, errors of a measurement, error propagation. Macro-transport processes: flow of fluids I. ideal fluids

 

 

2.

Flow of fluids II. viscous fluids, viscous drag force, flow in the circulatory system

 

 

3.

Micro-transport processes Diffusion, osmosis, transport across membranes, facilitated diffusion, active transport

 

 

4.

Sedimentation, ultracentrifugation. Physics and applications of light (electromagnetic waves): geometric optics, light reflection, light refraction, total reflection

 

 

5.

Refraction in planparallel slab, refraction on prism, dispersion of light, optical image formation, plane mirror, optical lenses, the ray tracing technique, thin lens equation, thick lenses

 

 

6.

The human eye, visual acuity, colour perception, optical defects in vision, the simple magnifier, the compound microscope, wave (or physical) optics, principle of superposition, interference

 

 

7.

Huygens-Fresnel principle, light diffraction, resolving power of optical devices, the Abbe criterion, special microscopes

 

 

8.

Matter waves, transmission and scanning electron microscopes, the photoelectric effect, light – matter interaction, scattering, absorption, light attenuation in matter

 

 

9.

Principle and properties of lasers. Production, properties and effects of X-rays, the X-ray spectra, attenuation of X-rays in matter

 

 

10.

Electric properties of living substances: passive and  active properties, the formation and properties of the  resting membrane potential, Nernst equations, Na-K pump, response to weak stimulus, the action potential and its propagation

 

 

11.

Measurement of the membrane potential. Body surface biopotentials: ECG, EEG, the cathode-ray oscilloscope,  high frequency heat generation (electric diathermy)

 

     

12.

Basics of nuclear physics and nuclear radiations: natural radioactivity, composition of a nucleus, isotopes, binding energy, radioactive decay law, half-time, radio- carbon dating, nuclear reactions, chain reactions, transmission of nuclear radiation through matter

 

 

13.

Dosimetric units, biological effects of ionising radiations, basic principles of radiation protection,  radiation detectors

 

 

14.

The radioactive tracer method and its applications. Modern imaging techniques in medicine: image formation using radiactive isotopes, thermography

 

 

15.

Ultrasound and its medical applications, Doppler effect, echoencefalography, X-ray tomography, positron emission tomography (PET), magnetis resonance imaging (MRI)

Practical lessons theme

 

.

Exam information

Oral examination