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PRODID:-//Department of Theoretical Physics - ECPv6.5.1.5//NONSGML v1.0//EN
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X-WR-CALNAME:Department of Theoretical Physics
X-ORIGINAL-URL:https://web-f1.ijs.si
X-WR-CALDESC:Events for Department of Theoretical Physics
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BEGIN:VTIMEZONE
TZID:Europe/Ljubljana
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20230326T010000
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BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:20231029T010000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230302T111500
DTEND;TZID=Europe/Ljubljana:20230302T121500
DTSTAMP:20260426T092948
CREATED:20221028T002250Z
LAST-MODIFIED:20230205T014210Z
UID:5372-1677755700-1677759300@web-f1.ijs.si
SUMMARY:Sašo Grozdanov: TBA
DESCRIPTION:https://indico.ijs.si/event/1485/
URL:https://web-f1.ijs.si/event/saso-grozdanov-tba/
LOCATION:https://zoom.us/j/3601731049?pwd=bVNQRjUxU2ExZ0cveWcxYXNUUGdjZz09 (Zoom)
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230302T140000
DTEND;TZID=Europe/Ljubljana:20230302T150000
DTSTAMP:20260426T092948
CREATED:20230222T081605Z
LAST-MODIFIED:20230222T091631Z
UID:8469-1677765600-1677769200@web-f1.ijs.si
SUMMARY:[Biophysics seminar] Marc Cabases: "Interaction of SARS-CoV-2 with surfaces and surfactants: Molecular dynamics simulations"
DESCRIPTION:I will talk about the work accomplished for two years of my PhD. First\, I will explain the simulations of the interaction between the spike protein and human skin. Using all-atom (AA) simulations we showed which are the relevant residues of the S protein interacting with the skin. I will also talk about surfactants-SARS-CoV-2 interaction. Surfactants are typycally used as disinfection agents in personal care products against bacteria and viruses\, including SARS-CoV-2. However\, there is a lack of understanding of the molecular mechanisms of the inactivation of viruses by surfactants. We employed coarse grain (CG) and AA molecular dynamics simulations to investigate the interaction between surfactants and the SARS-CoV-2 virus.\n\n\nThe seminar will take place in the seminar room of physics (106).
URL:https://web-f1.ijs.si/event/biophysics-seminar-marc-interaction-sars/
LOCATION:Seminar room of physics (106)
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230307T140000
DTEND;TZID=Europe/Ljubljana:20230307T150000
DTSTAMP:20260426T092948
CREATED:20230222T081804Z
LAST-MODIFIED:20230313T122331Z
UID:8471-1678197600-1678201200@web-f1.ijs.si
SUMMARY:[Biophysics seminar] Horacio Guzman\, "Adsorption patterns of the WT\, delta and omicron RBDs onto polarized model surfaces"
DESCRIPTION:Respiratory viruses are airborne and commonly form microdroplets which can be easily adsorbed onto surfaces of different materials\, like plastics\, metals or skin. Although these situations occur on a daily basis\, less is known about the mechanisms and effectiveness of the virus-materials interaction. In particular\, when spike proteins mutate in the binding regions\, as is the case of SARS-CoV-2 where several residues mutated in the Receptor-Binding-Domain (RBD) and correspond to different Variants of Concern (VoC). Potentially\, simplified modeled surfaces with manifold polarities and characterized by a contact-angle can serve as sensors to assess the adsorption mechanisms of virus proteins. Here\, we perform extensive molecular dynamics simulations of three RBDs interacting with hydrophobic and hydrophilic substrates. Overall\, the simulations show a higher amount of contacts with the hydrophobic surface\, in spite of the H-bonds formed at the hydrophilic substrate. Considering two regions of adsorption at the RBD-surface interface with the same total amount of residues\, we show how the regions balances out (hops) during adsorption and favors contact formation.\n\n\nThe seminar will take place in the tearoom of the F1 department.
URL:https://web-f1.ijs.si/event/biophysics-seminar-horacio-guzman-adsorption-patterns/
LOCATION:F1  tearoom
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230316T140000
DTEND;TZID=Europe/Ljubljana:20230316T150000
DTSTAMP:20260426T092948
CREATED:20230224T135055Z
LAST-MODIFIED:20230224T135055Z
UID:8474-1678975200-1678978800@web-f1.ijs.si
SUMMARY:[Biophysics seminar] Anže Božič: "Changes in number of dissociable amino acids on spike proteins and nucleoproteins of SARS-CoV-2 variants and other coronaviruses"
DESCRIPTION:The seminar will take place in the seminar room of physics (106).
URL:https://web-f1.ijs.si/event/biophysics-seminar-anze-bozic-changes-aa-coronaviruses/
LOCATION:Seminar room of physics (106)
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230323T140000
DTEND;TZID=Europe/Ljubljana:20230323T150000
DTSTAMP:20260426T092948
CREATED:20221216T002013Z
LAST-MODIFIED:20230313T132038Z
UID:6917-1679580000-1679583600@web-f1.ijs.si
SUMMARY:Patrick Bolton: Probing the Nature of Heavy Neutral Leptons in Direct Searches and Neutrinoless Double Beta Decay
DESCRIPTION:In this seminar\, I will discuss recent efforts to assess the complementarity of direct searches at fixed target experiments and searches for neutrinoless double beta (0νββ) decay in probing the Majorana vs. pseudo-Dirac nature of a Heavy Neutral Lepton (HNL) pair. Firstly\, I will outline a phenomenological parametrisation relating the active-sterile mixing strengths to the neutrino oscillation data\, assuming that the HNL pair generates masses for two light neutrinos. I will then summarise the possible constructive or destructive interference of the HNL pair with the light neutrino contribution in 0νββ decay and the production and decay of HNLs in fixed target experiments\, which depend on the active-sterile mixing strengths and CP phases in the HNL sector. Finally\, I will show what signals at LEGEND-1000 and DUNE (or a signal at one or neither of the experiments) imply about the HNL parameter space; in particular\, the mass splitting between the HNL pair.\nhttps://indico.ijs.si/event/1561/
URL:https://web-f1.ijs.si/event/patrick-bolton-tba/
LOCATION:https://zoom.us/j/3601731049?pwd=bVNQRjUxU2ExZ0cveWcxYXNUUGdjZz09 (Zoom)
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230330T140000
DTEND;TZID=Europe/Ljubljana:20230330T150000
DTSTAMP:20260426T092948
CREATED:20220414T084237Z
LAST-MODIFIED:20230313T132038Z
UID:5096-1680184800-1680188400@web-f1.ijs.si
SUMMARY:Benjamin Fuks: Composite dark matter: simplified models\, non-minimality and overlooked channels
DESCRIPTION:Studies of dark matter lie at the interface of collider physics\, astrophysics and cosmology\, and they entail comparisons with a wide spectrum of data. We consider an effective top-philic t-channel model of dark matter\, which finds some motivation in composite theories. We make use of a general framework allowing for precision predictions from the sole knowledge of the model’s Lagrangian to investigate the resulting phenomenology both at colliders and in cosmology. We then explore some of the non-minimal features of the model\, and we additionally highlight overlooked search channels that are relevant for generalised version of the models.\nhttps://indico.ijs.si/event/1430/
URL:https://web-f1.ijs.si/event/benjamin-fuks-tba/
LOCATION:https://zoom.us/j/3601731049?pwd=bVNQRjUxU2ExZ0cveWcxYXNUUGdjZz09 (Zoom)
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Ljubljana:20230330T140000
DTEND;TZID=Europe/Ljubljana:20230330T153000
DTSTAMP:20260426T092948
CREATED:20230214T094910Z
LAST-MODIFIED:20230314T100735Z
UID:8444-1680184800-1680190200@web-f1.ijs.si
SUMMARY:[DBS lunch seminar] Uroš Tkalec: "From microcargo transport at liquid crystal/water interfaces to volumetric microscopy of anisotropic fluids"
DESCRIPTION:Abstract\nMicrocargo transport between immiscible fluids\, usually water and unstructured oils\, is a physical process essential in adsorption and separation\, emulsification\, liquid-liquid extraction\, and drug delivery. However\, in conventional water-oil systems\, it is difficult to manipulate the direction of cargo transport from one liquid to another. To address these issues\, we have designed a series of drop impact experiments with liquid crystal interfaces where we can selectively trigger mass transport by tuning the mesophases and post-impact dynamics. To study such phenomena in more detail\, we aim to explore the potential of quantitative volumetric microscopy based on the principle of holography. Recently\, numerous advances have been made in optical imaging of anisotropic fluids\, including stimulated emission depletion\, and light sheet microscopy. However\, these modalities are not label-free and are generaly not fast enough to follow dynamic processes. Therefore\, we will develop an experimental setup for digital holographic microscopy to quantify the morphology and spatial refractive index distribution of anisotropic fluids at microscale interfaces.\n\n\n\nEvent information\nThe seminar will take place at 14h in the seminar room of physics (106) in the main building of Jožef Stefan Institute. The seminar will start with a snack (pizza) and will be followed by an informal discussion.
URL:https://web-f1.ijs.si/event/dbs-seminar-uros-tkalec/
LOCATION:Seminar room of physics (106)
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