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CONQUER project deliverables

The page lists 16 deliverables related to the research project "CONQUER".

 List of Deliverables

CONQUER: list of downloadable deliverables.
title and desprition type last update

Extended quantum-mechanical model

Theoretical models and simulations for systems containing QN and paramagnetic ions, different kinds of QN, will be developed to explore the possibilities offered by multi-quantum effects. Although a comprehensive model is necessary for predicting in detail the contrast properties of the CA, we will also develop simplified, phenomenological ‗master rules‘ relating the shape of the NQR-CR peaks with structural and dynamical parameters. Due to their complexity the developed models will be thoroughly tested against experiments

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

Relaxometry data base tuned NPs

1H NMR Field Cycling studies for the final, fine-tuned compounds synthetised by WPs 3 and 4 will be carried out. The results will again be documented and stored in a database.

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

ZF-NQRS database

Zero field NQRS of promising prototype compounds from WP3 will be carried out. From the spectra the resonance frequencies and the facor eta will be deduced and the quantum-chemical computations in WP3 will be validated. The relative strength of the NQR peaks and the NQR relaxation times will be characterised to study the magnitude of the effects in different compounds. All data will be stored in a database.

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

Relaxometry database prototyping

1H NMR Field Cycling studies for selected prototype compounds synthesised by WPs 3 and 4 will be carried out. Preliminary measurements will be carried out in parallel to the theoretical simulations. The preliminary studies will be followed by detailed experimental investigations of specific systems selected on the basis of simulations to confirm or negate their potential as CA. All experimental results will be documented and stored in a database.

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

Report on publications and events

Report on publications (journal and book articles, patents etc. as well as events such as workshops and mini-symposia on conferences.

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

Cytotoxicity, uptake, inflammation

Cell cultures for MRI experiments will be prepared. Absence of biological contamination, sufficient cellular uptake and lack of adverse cellular effects will be shown with endothelial cells and blood cells. Contamination will be detected by subjecting the NPs to limulus amoebocyte lysate assay to test endotoxin levels Cytotoxicity and potential influence on the immune system will be studied and documented.

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

Dextran based NPs characterised

Immobilisation of the most promising candidates from WP3 (TUG) in terms of NQR frequencies onto dextranes differing in molecular weight and the degree of branching. The immobilisation will be performed by reacting the Bi compounds bearing a functional spacer group (e.g. carboxylic groups) with the polymers. For example, carbodiimide chemistry is a well-known procedure for coupling OH with COOH groups in a very efficient way, and several literature procedures are known.

Purification (e.g. dialysis) of the polymers and nanoprecipitation under sonication conditions to create nano- and micro-particles with defined sizes according to the guidelines WP2 from UWM and UU. The sizes will be varied over two orders of magnitudes in order to explore the influence on relaxivity.
(Task 4.2, UM, TUG, UWM) Characterisation of the NPs by state of the art techniques (Infrared spectroscopy, SWAXS, TEM, dynamic light scattering, zeta potential, ZF-NQRS, fast field cycling relaxometry).

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

Modified MRI scanner characterised

\"The existing clinical 3T scanner will be equipped with a coil insert for shifting B0 so as to change the NQR-CR (custom manufacturing by \"\"Resonance Research\"\"). The RF coils used will be dedicated animal coils.

Existing pulse sequences will be modified to control the coil insert and optimised for high SNR.

The complete MRI setup will be validated and characterized with dedicated MRI phantoms.

\"

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

Tuned NPs characterised

After optimisation of the prototype particle system (size, chemistry and hydrophilicity the NQR properties will be tuned in order to fulfil the 3T conditions. Thus a fine tuning of the particle size, shape and slight chemical modifications may be required.

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

Scientific papers of reporting period 2

8 Scientific papers planned on theoretical modelling, synthesis of NQR-CR compounds and their characterisation as well as on toxicology and imaging results. Papers on the proof of concept.

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

Data management plan

Detailed rules for data management, enabling data exchange by supplying appropriate channels and assurance of data security (server management).

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Open Research Data Pilot 2019-05-31

Evaluation of NQR-CR with MRI

Test of uptake of particles into endothelial cells and into human PBMCs by microscopy and MRI. MRI will be done after cells have been incubated with different dilutions of the NPs and embedded in agarose. Contrast changes due to switching of B0 in phantoms and in cell cultures after cellular uptake will be studied and documented.

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

Scientific papers of reporting period 1

3 Scientific papers planned on theoretical modelling, synthesis of NQR-CR compounds and their characterisation.

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

Quantum-mechanical model 1

An NQR-modeling approach which has been developed for solids will be extended towards different motional scenarios to account for rotational, translational and internal dynamics as well as exchange processes. Existing numerical tools will be used for initial simulations but the software will be continuously developed to account for the complex relaxation scenario. Optimisation is likely to be required as the computational complexity increases significantly for high spin (9/2) nuclei. Where necessary, the quantum-mechanical models will be combined with molecular dynamics simulations.

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-31

NQR-CR polymers characterised

Immobilisation of the most promising candidates from WP3 in terms of NQR frequencies onto PEG differing in molecular weight and the degree of branching. The immobilisation will be performed by reacting the Bi compounds bearing a functional spacer group (e.g. carboxylic groups) with the polymers. For example, carbodiimide chemistry is a well-known procedure for coupling OH with COOH groups in a very efficient way, and several literature procedures are known.

Purification (e.g. dialysis) of the polymers and nanoprecipitation under sonication conditions to create nano- and micro-particles with defined sizes according to the guidelines WP2 from UWM and UU. The sizes will be varied over two orders of magnitudes in order to explore the influence on relaxivity.

Characterisation of the NPs by state of the art techniques (Infrared spectroscopy, SWAXS, TEM, dynamic light scattering, zeta potential, ZF-NQRS, fast field cycling relaxometry).

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Documents, reports 2019-05-30

Webpage with open access database

Design and implementation of a webpage for communicating general information and results, providing open access to data and for facilitating networking activities.

Programme: H2020-EU.1.2.1. - Topic(s): FETOPEN-RIA-2014-2015

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Other 2019-05-31