NFYK15006U Biophysics of Cells and Single Molecules
MSc Programme in Nanoscience
MSc Programme in Physics
MSc Programme in Physics w. minor subject
The course focuses on bio-mechanics and functions of biological systems on the nano- and micron-scale. We will explore the bio-mechanics of living cells and understand how force influences cellular decisions and life. There will be quantitative descriptions of biological polymers and of how these are part of intelligent tensegrity structures with parallels to human architecture. Cellular dynamics and movement is often mediated by amazing single molecule motors and bio-polymerization, which is a process also relevant for development of wide-spread diseases as, e.g., Alzheimer's and Parkinson's diseases. The course also presents novel remarkable force-scope and microscopy techniques that allows for studying fundamental actions of the molecular building blocks of life. Emphasis is on how single molecule results complement, and in certain cases contradict, results obtained at the ensemble level. To correctly understand life at the the nano- or micro-scale, the course invokes and describes relevant recent non-equilibrium theories. The course deals with the most recent research results and is partly based on scientific papers. Hence, an important aspect of the course is a critical assessment of primary literature.
Knowledge:
The course participants will gain knowledge about fundamental
aspects of single molecule systems such as molecular motors,
proteins, RNA and DNA, and nano-machines. Also, the course
participants will gain deep knowledge of the most commonly used
single molecule methodolgies, their capabilities, possibilities,
and limitations. These methodologies including optical tweezers,
magnetic tweezers, AFM, single molecule fluorescence, and
super-resolution microscopy. The course will take the
course participant to the front line of single molecule and
cellular biophysics research, going through the most important and
remarkable results achieved also, for instance in the biomechanics
of stem cells. Emphasis will be on how, in practice, to treat
non-equilibrium nano-scale systems. In addition, the course
participants will gain experience in reading, understanding
and criticizing primary literature and will be trained in
presenting and questioning research results.
Skills:
The course will enable the participant to
- obtain knowledge about the physics of polymers. Be able to quantify the typical physical size, flexibility and elasticity of polymers. Utilize this knowledge on to understand the biomechancis of living cells and organisms.
- understand the energetics of membrane bending, hereunder to predict the shape of self-assembled membrane structures. This knowledge is useful for understanding shape and function of cellular components and whole cells.
- understand how living organisms generate force and motion and how they respond to mechanical cues. This includes a physics based understanding of biopolymers and polymerization dynamics, an understanding of the action of molecular motors, and a thorough understanding of cellular micro-rheology.
- gain knowledge about the most common single molecule techniques, including optical tweezers, magnetic tweezers, single molecule flourescent techniques, super resolution microscopy, and AFM.
- be aware of the fundamental problems encountered when studying nature at the single molecule level. This includes the role of thermal fluctuations and the fact that most of single molecule experiments are performed in a non-equilibrium fashion, thus rendering conventional statistical mechanics inadequate.
- understand and be able to apply non-equilibrium theories including Jarzynski's Equality and Crooks theorem.
- perform a thorough and critical reading of a scientific manuscript.
- have a general overview of the entire field with some knowledge
of the status of research internationally.
Competencies:
The course participants will gain competencies in applying methods
of physics to obtain a quantitative understanding of complex
biological systems. The course participants will understand how
important force and mechanical properties are for development and
life at all scales. The course participants will also gain
competences in understanding the working method, capabilities, and
limitations of single molecule techniques and they will be able to
utilize non-equilibrium statistical physics for
analyzing nano-scale systems. Finally, the students will gain
the competencies to critically read a scientific paper, to find the
background material needed to fully understand the paper, and to
perform a presentation of primary literature.
See Absalon for final course material. The following is an example of expected course literature.
‘Mechanics of the Cell’ 2nd edition by David Boal. In addition, there will be primary literature in the form of scientific papers which will be provided during the course.
Academic qualifications equivalent to a BSc degree is recommended.
- Category
- Hours
- Colloquia
- 20
- Exam
- 1
- Lectures
- 30
- Preparation
- 105
- Project work
- 30
- Theory exercises
- 20
- Total
- 206
- Credit
- 7,5 ECTS
- Type of assessment
- Oral examination, 20-30 minutesContinuous assessmentThe mandatory project will be in the middle of the course period and will be based on answering questions in connection to scientific papers. The oral exam will take place in the exam week after the course period; the students will beforehand receive the questions for the oral exam and there will be no preparation time at the exam.
- Exam registration requirements
Each student must have presented one scientific paper during the course and must have completed the mandatory project in order to register for the oral exam.
- Aid
- Without aids
no aids allowed for the oral exam
- Marking scale
- 7-point grading scale
- Censorship form
- No external censorship
Internal examiners (normally two internal co-examiners)
- Re-exam
Same as the regular exam. It will be possible to re-submit the presentation and the mandatory project before the re-exam; please contact the course responsible.
Criteria for exam assesment
see learning outcome
Course information
- Language
- English
- Course code
- NFYK15006U
- Credit
- 7,5 ECTS
- Level
- Full Degree MasterFull Degree Master choice,Part Time Master
- Duration
- 1 block
- Placement
- Block 1
- Schedule
- B
- Continuing and further education
- Study board
- Study Board of Physics, Chemistry and Nanoscience
Contracting department
- The Niels Bohr Institute
Contracting faculty
- Faculty of Science
Course Coordinators
- Liselotte Jauffred (jauffred@nbi.dk)