Kiel Nano, Surface and Interface Science (KiNSIS)

Termine & Veranstaltungen

Touch-free Cardiovascular Monitoring – Microwave Technology as Key for Novel Diagnostic Approaches (Alexander Kölpin, TUHH Hamburg)

11.03.2021 von 16:00 bis 18:00

Online

Alexander KölpinAlexander Kölpin

Institute of High-Frequency Technology, Hamburg University of Technology

Abstract

This talk will present the current research on a microwave interferometric sensor that enables cardiovascular monitoring by analyzing the smallest relative movements of the body surface. This monitoring is conducted without contact from a distance of several meters and through clothing and non-conductive materials. Important parameters of the cardiovascular system and respiration, such as the temporal course and morphology of the pulse wave and heart sounds, but also high-resolution respiratory movements can be recorded contact-free with medically relevant quality. This requires relative distance resolutions in the sub-micrometer range, which can be achieved by the special hardware architecture of the microwave interferometric sensor. Patient studies show excellent accuracy and precision compared to clinical electrocardiogram data. In addition to these primary data, secondary information such as heart rate variability can be examined.

Das Kolloquium findet im Rahmen des SFB 1261 "Biomagnetic Sensing" statt, Interessierte sind herzlich eingeladen.
Zugang zum Zoom-Meeting und weitere Informationen.

 

 

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Benchside to Bedside: Imaging agents for cancer diagnosis (Garima Singh, ROTOP Pharmaka GmbH)

18.03.2021 von 17:00 bis 18:00

Online

Garima SinghDr. Garima Singh (R&D Project Manager, ROTOP Pharmaka GmbH, Dresden)

With the aim of multimodal imaging in mind, the project “Functionalized Bispidines and Ultrasmall Silicon Nanoparticles for Cancer Imaging” dealt with the surface decoration of the ultrasmall silicon nanoparticles of size up to 5 nm. These novel nanoparticles were modified by radionuclide chelators for PET imaging, infrared dyes for optical imaging and biomolecules to target cancer tumors via covalent linkages. A size of < 10 nm is crucial for a diagnostic biomarker to be renally excretable and to avoid its accumulation in other organs. These extremely hydrophilic and biocompatible dual modal imaging agents displayed a rapid renal clearance in vivo with negligible tissue accumulation within 1 hour of intravenous administration.
The bispidine-based bifunctional chelating agents also established their strong presence in the field of Copper-II radionuclide chemistry. The magic pair of radioactive Cu-64 and Cu-67 can be used for theragnostic purposes with these robust ligands for the detection and radiotherapy of the cancer tumors by means of PET/SPECT techniques.
The pharmaceutical market of cancer diagnostics thrives on such robust and biocompatible small molecules with high efficacy and economical value with a short duration of radiation exposure to the patients.

Link zum Zoom-Meeting
Das Kolloquium findet im Rahmen des GRK 2154 "Materials for Brain" statt, Interessierte sind herzlich eingeladen.

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Neuronal connectivity and computations in olfaction (Rainer W. Friedrich, Friedrich Miescher Institute for Biomedical Research, Switzerland)

25.03.2021 von 16:00 bis 17:00

Online

Logo CRC 1461Rainer W. Friedrich

Neuronal circuits and computations, Friedrich Miescher Institute for Biomedical Research, Basel, Switzerland

Abstract

Odors are detected by sensory neurons in the nose expressing one out of many odorant receptors. Each odor activates a specific combination of receptors. Information about odors is therefore represented by distributed patterns of activity across an array of sensory input channels to the brain. The olfactory bulb (OB) is the first olfactory processing center in the brain and transforms odor-evoked sensory inputs from the nose into spatio-temporal output patterns that are transmitted by OB output neurons, the mitral cells, to multiple higher brain areas including memory centers. Chemically related odors evoke similar patterns of sensory input activity that are transformed in the OB into decorrelated and normalized patterns of activity across mitral cells. This transformation can be described as a whitening of activity patterns, which is thought to be fundamentally important for pattern classification in memory centers such as olfactory cortex. Whitening cannot be explained by global scaling or thresholding operations but requires structured interactions between specific subsets of neurons. To analyze mechanisms of whitening we measured odor-evoked activity throughout the OB of a zebrafish larva by two-photon calcium imaging and subsequently reconstructed the full wiring diagram by volume electron microscopy. This “dynamical connectomics” approach revealed an overrepresentation of triplet connectivity motifs that privileges multisynaptic reciprocal inhibition among mitral cells with similar tuning. Tuning-dependent multisynaptic connectivity specifically suppressed activity of output neurons that respond to odors particular olfactory features. Connectivity in the OB therefore suppresses the representation of specific features, which reduces the correlation between representations of related odors. This specific neuronal connectivity was necessary and sufficient to reproduce whitening of natural input patterns in generic network models. We therefore concluded that whitening in the OB is achieved by higher-order structure in the wiring diagram that is adapted to natural input patterns. These results provide direct insights into the network mechanism underlying a fundamental neural computation and illustrate the potential of “dynamical connectomics” approaches to analyze complex structure-function relationships in neuronal circuits.

Abstract als PDF zum Download

Das Kolloquium findet im Rahmen des SFB 1461 "Neuroelektronik: Biologisch inspirierte Informationsverarbeitung" statt, Interessierte sind herzlich eingeladen. https://uni-kiel.zoom.us/j/84603911951?pwd=cHRjemtqT3FzZUVjcFlQdzMvOTJIQT09 Meeting ID: 846 0391 1951, Passcode: 120422

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NanoTech Poland 2021

09.06.2021 bis 11.06.2021

Online

Logo NanotechThis 11th International Conference of the NanoTech Poland will be an online virtual edition, with hybrid (in-person) participation in the conference for local conference participants, organized by the NanoBioMedical Centre in Poznan. The decision has been made due to COVID-19 in order to ensure the safety of the conference community. The conference promises an interesting, also in its diversity, scientific programme, and an international forum for the discussion on the latest scientific achievements and challenges in the field of nanoscience and nanotechnology. The conference will be also a great networking opportunity for exchanging knowledge, scientific ideas between prominent scientists, early-stage researchers, students and scientists from nanotechnology-related companies. Read more
 

Conference programme:

The Conference programme will feature a strong scientific agenda focused on Nanotechnology in energy, electronics, environment, biomedicine and other relevant fields. An important conference activity will be the Young Researchers Forum, the purpose of which is to recognize early-stage researchers by giving them the opportunity of presenting their recent scientific accomplishments in short oral presentations and during e-poster session.

 

Important deadlines:

Early registration fee: Payment up to 30 April, 2021
Abstract submission: Up to 30 April, 2021
Abstract acceptance for oral presentations: Up to 9 May, 2021
Conference Website

 

The NanoBioMedical Centre (NBMC) is an organizational unit of Adam Mickiewicz University in Poznan (AMU) and was established in partnership with Poznan University of Medical Science, Poznan University of Life Sciences and Poznan University of Technology.

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International Conference „Nanotechnology and Innovation in the Baltic Sea Region“

04.08.2021 bis 06.08.2021

Empire Riverside Hotel, Hamburg, Germany

LogoThe NIBS 2021 conference is the fourth annual NIBS conference with the series starting in 2017. NIBS is organized by the Mads Clausen Institute at the University of Southern Denmark, the Kaunas University of Technology, Lithuania and the North German Initiative Nanotechnology Schleswig-Holstein e.V. (NINa SH eV) network, led by Kiel University, Germany.

Attendees from industry, academia and municipalities are invited to enter in a dialogue about the potential for interdisciplinary applications and new products from nanotechnology.

NIBS offers:

  •     state-of-the-art stimulating presentations
  •     matchmaking events
  •     a dialogue platform between experienced and young researchers from industry and academia


NIBS provides presentations from companies and research institutions on current trends in the field of nanotechnology. Companies have the opportunity to communicate their success stories and the newest developments in-house. Young scientists present their work and find entrepreneurial opportunities.

Why NIBS?

In contrast to national conferences, NIBS brings together researchers and business stakeholders from the Baltic Sea Region (BSR) as well as parties involved in the cooperation with the BSR partners to share latest achievements in research, innovative solutions and applications in the field of nanotechnology. NIBS focuses on the BSR, where the innovation potential from newest technologies is utmost high.
The NIBS conference offers an ideal opportunity to increase your visibility as a scientist, company or other stakeholder in the field of nanotechnology within the Baltic Sea region. You can benefit from an active regional nanotechnology network and get a perfect stage to initiate new projects or start-ups and find new partners and customers, respectively.

Topics

  •     Nanotech for Life Science
  •     Nano energy
  •     Nanomaterials
  •     Nanooptics
  •     Nanoelectronics
  •     Sensors
  •     Sustainable Nanotechnology
     

Important dates:

  •     Deadline for abstract submission: 01 June 2021
  •     Registration deadline: 01 June 2021
  •     Early bird deadline: 01 April 2021

https://nibs.nina-sh.de/

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Pressemitteilungen

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« Dezember 2020 »
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  • 17:00: Forcing Molecules Into “Uncomfortable” Geometries Using Quantum Chemistry (Jun.-Prof. Dr. Tim Stauch, Universität Bremen)
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  • 14:00: KiNSIS-Mitgliederversammlung
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  • 16:15: Free-Electron Quantum Optics (Prof. Ido Kaminer, Technion –­­ Israel Institute of Technology)
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9
  • 14:00: "Nano Meets Medicine" Free-Access-Online-Symposium
  • 18:00: Die wundersamen Farben von Wasser und Eis (Prof. Holger Kersten, SHUG)
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10
  • ganztägig: RV: Diffusion in einer Batterie – Ionenwanderung leicht gemacht / Benetzung: Nanomaterialien für selbstreinigende Oberflächen
  • 16:00: Electromagnetics for Next-Generation Body Area Sensing (Asimina Kiourti, Ohio State University)
  • 17:00: GDCh-Weihnachtskolloquium
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  • 16:15: How Should We Think About Plasma-Catalysis? Insights from Experiments and Simulations (Prof. Dr. David Go, University of Notre Dame, USA)
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16 17
  • 17:00: Exploring Chemical Space using Computational Techniques (Dr. Christian Feiler, HZG)
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