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PRF

Mini-conference on Language Instruction for Students of Natural Sciences

The Language Department at the Faculty of Science, University of South Bohemia, provides language courses for students from any of the university's faculties.

The Department of Languages, Faculty of Science, USB

is organizing a mini-conference on

Language Instruction for Students of Natural Sciences

Date and Time: 14 June 2024

Venue: Faculty of Science, USB
Branišovská 1760, 370 05 České Budějovice

We welcome contributions in the form of a presentation (20 minutes) or workshop (30 minutes) on any of the following topics:

  • Study materials Development
  • Innovative Teaching Methodology
  • ESP and EAP
  • Testing
  • Informal Language and EAP
  • Academic Writing
  • The Rise of Artificial Intelligence and its Impact on Language Teaching

Languages: English, Czech

Registration will open in 2024.

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Deadline for submissions: 28 April 2023

The seminar fee of 600 CZK includes refreshments and an excursion.
You will receive an invoice with payment details after registration and the approval of your contribution.

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Contact email: This email address is being protected from spambots. You need JavaScript enabled to view it.

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  • Mini-conference leaflet: CZEN (pdf)
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Doctoral study of Biophysics

Department of Physics

  • Responsible person:

    prof. RNDr. Tomáš Polívka, PhD

  • +420 387 776 259

  • This email address is being protected from spambots. You need JavaScript enabled to view it.

Characteristics

Study program biophysics provides education in research fields at the borders between physics, chemistry and biology. Students are involved in solving problems related to biology and/or chemistry by means of physical methods. The doctoral projects are both theoretical and experimental, and they are dealing either with basic or applied research, depending on particular project and supervisor. During the Ph.D. study, students are guided to carry out independent research, from design and realization of experimental and theoretical approaches, rigorous and correct data analysis to presentation of results. Topics of Ph.D. projects are based on research profiles of individual research groups and cover a broad range of modern biophysical methods from ultrafast optical spectroscopy, single-molecular spectroscopy, X-ray diffraction, molecular dynamics, quantum-chemical and semi-empirical calculations, molecular modeling to advanced techniques of microscopy, including atomic force microscopy and electron microscopy. These methods are applied to various biological systems from molecular level to isolated proteins, whole cells to modeling processes in large ecosystems.

Topics of Ph.D. projects

  • Ultrafast spectroscopy

    Time-resolved spectroscopy with femtosecond time resolution allows monitoring extremely fast processes occurring in various materials. Our projects are at the borders between physics, chemistry and biology, and they focus on studies of excited-state dynamics of molecules, predominantly photosynthetic pigments. We study processes of energy and/or electron transfer in photosynthetic proteins by means of femtosecond time-resolved spectroscopy, but the ultrafast spectroscopy group also develops new methods of ultrafast spectroscopy, such as multi-pulse methods enabling to manipulate populations of excited states or experiments with two-photon excitation.

    Contact person: prof. Tomáš Polívka (This email address is being protected from spambots. You need JavaScript enabled to view it.), www.polivkalab.cz

  • Studies of photosynthetic processes by means of optical and biochemical methods

    Photosynthesis is a complex process requiring interplay of pigments, proteins and lipids for efficient utilization of light energy. Students work on projects analyzing energy transfer efficiency, photoprotection mechanisms, structure-function relationship and other aspects of photosynthetic apparatus components from various photosynthetic organisms by employing a broad range of optical and analytical methods such as steady-state and time-resolved absorption and fluorescence spectroscopies or circular dichroism as well as a diverse set of biochemical analysis methods.

    Contact persons: dr. David Bína (This email address is being protected from spambots. You need JavaScript enabled to view it.), dr. Radek Litvín (This email address is being protected from spambots. You need JavaScript enabled to view it.)

  • Atomic Force Microscopy (AFM)

    AFM enables to image details of surface and/or mechano-elastic properties including their dynamics in living cells, biological membranes, protein complexes, individual proteins, peptides, nucleic acids, organic polymers and their conjugates in both gas and liquid phase. In solid state samples e.g. nanoparticles and nanostructured surfaces, maps of conductivity and capacitance can be additionally imaged. AFM also allows for measurements of forces acting between all the above-mentioned objects down to the level of non-covalent bonds formed between individual molecules.

    Contact person: dr. David Kaftan (This email address is being protected from spambots. You need JavaScript enabled to view it.)

  • Electron microscopy (EM)

    Electron microscopy offers projects that combine advanced technologies to localize specific components in cell ultrastructures (TEM) or in surface morphology of biological samples (SEM). The projects also include the preparation of biological specimens for electron and correlative microscopy. In addition, our projects are focused also on cryo-EM structural studies of viral particles and protein complexes. The outcome of cryo-EM is 3D structure reconstruction of the studied objects. Another structure reconstruction method available in our laboratory and useful mainly for larger objects (e.g. cell organelles) is electron tomography.

    Contact person: dr. Zdeno Gardian (This email address is being protected from spambots. You need JavaScript enabled to view it.), dr. Marie Vancova (This email address is being protected from spambots. You need JavaScript enabled to view it.)

  • Bio-active nanostructured thin films and surfaces

    Students focuses on research and development of thin, functional, nanostructured films that are able to interact with molecular complexes; these are namely surfaces for LMR, SERS, LSPR, SPR sensing; bio-molecule enriched thin films (e.g. films doped by antibiotics); surfaces with functional groups etc. Nanostructured surfaces are typically prepared by plasma-assisted deposition employing PVD (Plasma Vapor Deposition) of PECVD (Plasma Enhanced Chemical Vapor Deposition) techniques.

    Contact person: prof. Vítězslav Straňák (This email address is being protected from spambots. You need JavaScript enabled to view it.), www.prf.jcu.cz/plasma

  • Molecular simulations of solid-liquid interfaces

    Molecular simulations of solid-liquid interfaces provide molecular-level understanding of structure, interactions, and dynamics of ions, molecules and biomolecules in the vicinity of surfaces and the resulting inhomogeneous environment. The solid phase can be represented by minerals (e.g. silica), carbon-based materials (graphene, graphene oxide) or biomolecular membranes (lipid membranes). The liquid phase is in most cases an aqueous solution containing ions and (bio)molecules. Currently our focus is on prediction of non-linear optics signals (Sum Frequency Generation, Second Harmonic Generation) and electrokinetic phenomena (electroosmosis, electrophoresis) ion dependence on the adsorbed species present in the system and their concentration. The ultimate goal is to provide deeper understanding of the molecular origin of various experimental signals and predict them from computer simulations.

    Contact person: assoc. prof. Milan Předota (This email address is being protected from spambots. You need JavaScript enabled to view it.)

  • Electronic structure calculations of (bio)molecular systems

    Students will learn classical and quantum computational methods typically used to determine the structural arrangement, dynamic properties, and electronic properties of organic molecules and biomolecules such as peptides, proteins, and nucleic acids. For example, students will learn how to study vibrations and structural changes of macromolecules, quantify protein-ligand interactions, analyze and predict optical spectra, and simulate transport processes such as electron transfer. The knowledge gained in quantum chemical calculations and density functional theory (DFT), on which these calculations are usually based, is applicable in a relatively wide range of science, research, and applications.

    Contact: Dr. Z. Futera (This email address is being protected from spambots. You need JavaScript enabled to view it.)

  • Crystallization and protein crystallography

    Crystallization and protein crystallography aims at preparation of crystals and determination of structures of proteins and protein complexes using X-ray diffraction analysis. Knowledge of the detailed protein structure is essential to understand their function. Students deal with the entire process leading to the determination of the protein structure from the protein isolation and purification by the use of molecular biological and biochemical methods, through its own crystal preparation to X-ray structural analysis. A number of enzymes, viral and other proteins important for biomedicine, pharmacology, biotechnology or biotransformation are available for a detailed study.

    Contact person and supervisors: prof. Ivana Kutá Smatanová (This email address is being protected from spambots. You need JavaScript enabled to view it.)

    https://www.prf.jcu.cz/en/uchbch/research/laboratory-of-structural-chemistry.html

  • Assembly of viruses – from in vitro models to live cell imaging

    Viruses are infectious agents causing many diseases of humans, animals as well as crop plants. Design of antiviral drugs that selectively target key steps in viral life cycle requires detailed knowledge of virus entry, replication and assembly in the host cell. Our interest is in the replication of RNA viruses belonging to Reoviridae family, avian reovirus and human rotavirus. The former causes significant losses for poultry farms while the latter is causative agent of severe diarrhea in children. Both viruses replicate and assemble inside viral inclusion bodies (VIB), also called viroplasms or viral factories, in the host cell cytoplasm. We have established that VIB are dense, liquid separated phases. This project will focus on developing model systems and using combination of biophysical techniques (e.g. live cell interference tomography, super-resolution and Raman microscopy) to study formation and phase transitions of VIB which constitute novel target for antiviral therapies.

    Contact: prof. Roman Tůma (This email address is being protected from spambots. You need JavaScript enabled to view it.)

  • Structure and function of juvenile hormone receptor

    Juvenile hormones (JH) are lipophilic signaling molecules that are specific to arthropods and coordinate postembryonic development from larvae to adults. JH receptor has been a target of insect-specific endocrine disruptors, i.e. synthetic agonists, that serve as effective insecticides. However, structural basis of receptor activation is unknown. We plan to determine the structure of the receptor-ligand complex and elucidate mechanism of activation. This will be done by integrative structural biology approach, encompassing electron microscopy, molecular modelling, and mass spectrometry. The structure and MD simulations will serve, together with high-throughput, quantitative ligand activity screening, as bases for design of new, selective insecticides using machine learning and artificial intelligence (AI) methods. We are looking for students with interest in computational chemistry/biology and AI to join our interdisciplinary team. This project is a collaboration with Prof. Marek Jindra, Institute of Entomology, Biology Center CAS.

    Contact person: prof. Roman Tůma (This email address is being protected from spambots. You need JavaScript enabled to view it.)

  • Understanding TBEV replication

    Tick Borne Encephalitis Virus is a single-stranded RNA virus, which replicates in association with the host Endoplasmatic Reticulum (ER) forming dynamic and well-orchestrated Replication Complex (RC).  Despite its importance, the molecular composition and structure of the RC, as well as the interaction among individual constituents and precise mechanism of RNA replication is still largely unknown. We combine various molecular-biological, biochemical, biophysical and structural techniques to explore the formation and function of RC within membrane bilayer.

    Contact: dr. Zdeněk Franta, This email address is being protected from spambots. You need JavaScript enabled to view it.

    Supervisors: dr. Zdeněk Franta, dr. Filip Dyčka (This email address is being protected from spambots. You need JavaScript enabled to view it.), dr. Zdeno Gardian (This email address is being protected from spambots. You need JavaScript enabled to view it.), dr. Tomáš Fessl (This email address is being protected from spambots. You need JavaScript enabled to view it.), prof. Roman Tůma (This email address is being protected from spambots. You need JavaScript enabled to view it.)

  • Allosteric communication in membrane protein complexes linked to conformational transitions on multiple timescales

    Allosterically modulated molecular machines mediate many of the key processes in all forms of life. A general feature of these machines is that they undergo repeated cycles of ATP hydrolysis and switch between various conformational states. The coordinated movements of most molecular machines are achieved by nucleotide binding, hydrolysis (energy conversion) and allosteric control. Consequently, a molecular level understanding of how the essential machines of life work requires invoking and further developing allosteric theory. Membrane proteins have historically been difficult to study from the mechanistic perspective as many of the biophysical and chemical techniques applicable to soluble enzymes fail to deal with either their heterogeneity, dynamics or the complexity of their native environment. Single-molecule fluorescence can resolve all these issues. Here we present research projects to map the full allosteric network regulating processes in membrane protein complexes using a combination of single-molecule, in silico methods and hydrogen-deuterium exchange mass spectrometry.

    Supervision: dr. Tomáš Fessl (single molecules), dr.Filip Dyčka (mass spectrometry), dr.Alexey Bondar (membrane proteins), prof. Roman Tůma (macromolecular complexes)

     
     

     

     

Requirements for dissertation thesis

Dissertation thesis in Biophysics must comply with general requirements given by the Dean Provision No. 62. If the dissertation thesis consists of introduction complemented by papers published by the student during the Ph.D. study, the Board of Biophysics further extends this Provision by specific requirements on introduction and conclusion. For such thesis, introduction must be an original text of length at least 20-30 pages (5000-7000 words), excluding figures, tables and references. Introduction must contain overview of the research topic of the thesis, current status of knowledge in the field, description of experimental or theoretical methods (beyond the brief description commonly used in papers), and goals of the dissertation thesis. The thesis also must contain Conclusions that summarize the results of the whole thesis, eventually suggests further possibilities how to exploit results presented in the thesis.

Requirements for the state exam

The Board of Biophysics suggests to take the state exam during the third year of the Ph.D. study. The state exam consists of two parts. The first part tests the students' knowledge from the key courses passed during the study. The second part is directly related to the topic of the thesis.

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Recommended writing procedure and references

  • Seznam štítků: PŘF

Consider this article as a small guide for a UAI student on how to assign a thesis, how to write it properly and how to prepare for the defense.

When to assign your bachelor thesis

The rules of the PřF stipulate that the bachelor's thesis must be submitted by the end of the 4th semester at the latest. We recommend, however, not to delay unnecessarily and to assign your thesis preferably at the end of the second or before the beginning of the third year. Later, interesting topics may be exhausted and the teacher may also reject you because he/she has already assigned a large number of papers.

The diploma thesis must be submitted no later than the end of the first semester of the follow-up study, taking into account its time demanding nature.

What subjects to enroll in for the final school year

You must enroll in FBI/890 for the winter term and FBI/891 for the summer term. Its fulfillment is confirmed by credit by the thesis supervisor.

Students must also enroll in UAI/776 Diploma Seminar 1 for the winter semester and UAI/777 Diploma Seminar 2 for the summer semester. In these courses, the student will learn further background information on the structure and requirements of theses and will (obligatorily!) try out a mock defense. Credit in these courses is awarded by the teacher.

How to write a thesis

When writing the thesis, it is necessary to follow the structure of the thesis according to the rules of the PřF. The student can get information about the requirements of the thesis from his/her supervisor, from the faculty website and in the Diploma Seminar 1 and 2.

The recommended length of the thesis is at least 20 pages for the BP and at least 40 pages for the DP (excluding appendices). Consult your supervisor for the actual length. Extensive source code listings, documents, etc. should be inserted as appendices.

Who to ask if you don't know something

If you are unsure about anything, ask your supervisor, the Diploma Seminar course tutor, the Registrar or the Head of Department. Ask the Studies Office or the Vice Dean of Studies for general details (preferably in that order until you get the answer you need).

Information can also be found on the tutorial server Moodle in the Diploma Seminar 1 and Diploma Seminar 2 courses.

Limit information from older classmates and friends as the primary channel. Rules evolve and change over the years, also expect that the rules are different not only in different faculties but also in different departments.

When and how to submit the work

Submission of qualifying theses at the faculty is governed by the measure of the Vice-Dean for Studies P5 - https://www.prf.jcu.cz/cz/fakulta/dokumenty/opatreni-prodekanu/p5

Have your work checked by your supervisor in a timely manner. On time is definitely not the day before you tie up. Keep in mind that the supervisor may not have only your work to review and if you want advice and comments from him/her, he/she must have time to review your work. In addition, you will also need time to correct and add to the work, according to any comments.

You must submit the paper by the due date (whether electronically or by a combination of electronic and hard copy is determined by the applicable measure P5, see above). Please note that all relevant attachments to the qualification thesis must also be submitted to IS STAG.

By the same date, you must also register for your thesis defense and state examinations using the faculty form. You can find here:

https://www.prf.jcu.cz/cz/fakulta/dokumenty/formulare

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Guidelines for assigning and writing final theses

  • Seznam štítků: PŘF

A qualifying thesis is a student work that a student must produce in order to successfully complete a Bachelor's or (continuing) Master's degree. In the bachelor's thesis, the student demonstrates that he/she is able to independently solve a specific task in the field of computer science and apply the knowledge acquired during the studies.

The topic of the thesis is primarily determined by the student in consultation with the selected teacher. You and your supervisor will write the "Qualifying Thesis Assignment Protocol", which can be found here, sign it and have it signed by your supervisor and the Head of Department.

Recommended procedure:
1. Selection of a potential trainer from the list of UAI employees (in exceptional cases (by agreement) an external UAI collaborator may also be a trainer).
2. Contacting the supervisor and arranging a meeting to determine the topic of the thesis. At this stage, the student should already have an idea of at least the area of interest to which the qualification thesis will be directed
.
Concretization of the topic, with the professional view of the potential supervisor as to whether the issue has the potential of a defensible qualification thesis.
4. Writing the first version of the assignment protocol of the final thesis (by the supervisor) and sending it to the student. This process may have several iterations.
5. Agreeing the final form of the assignment protocol and delivering it to the IAI Secretary to begin the signing process.
6. Collecting the signed assignment protocol and delivering it promptly to the PřF Studies Department.

For more detailed information please visit:

https://www.prf.jcu.cz/cz/fakulta/dokumenty/opatreni-prodekanu/p5

Final thesis template in MS WORD format - download.

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