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Open Access Mandate for Publications assignment_turned_in Project2018 - 2024Partners:TUDTUDFunder: European Commission Project Code: 742133Overall Budget: 2,380,420 EURFunder Contribution: 2,380,420 EURRecent breakthroughs in the field of genome editing provide a genuine opportunity to establish innovative approaches to repair DNA mutations to replace, engineer or regenerate malfunctioning cells in vitro or in vivo. However, most of the recently developed technologies introduce double-strand DNA breaks at a target locus as the first step to gene correction. These breaks are subsequently repaired by one of the cell intrinsic DNA repair pathways, typically inducing an abundance of insertions and deletions (indels). Ideally, for many applications genome editing should, however, be efficient and specific, without the introduction of indels. Site-specific recombinases (SSRs) allow precise genome editing without triggering endogenous DNA repair pathways and possess the unique ability to fulfill both cleavage and immediate resealing of the processed DNA in vivo. However, customizing the DNA binding specificity of SSRs is not straightforward. With this project, we propose to solve this shortcoming. We have already demonstrated that by applying substrate-linked directed evolution, SSRs can be generated that specifically recognize therapeutic targets. The objective of this project is the development of a universal genome editing platform that allows flexible, efficient and safe gene corrections in cells of any origin without triggering cell intrinsic DNA repair. GenSurge aims to: i) sequence an unprecedented, comprehensive compendium of evolved SSRs to understand the directed molecular evolution process at nucleotide resolution; ii) integrate the knowledge obtained in i) to develop a unique SSR-based approach to correct genomic inversions; iii) develop a universal SSR-based strategy that allows flawless, precise and safe genome editing to correct any gene defect in human, animal or plant cells. The successful implementation of this project will deliver a comprehensive, safe and efficient platform from which genome surgery-based cure strategies can be initiated.
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For further information contact us at helpdesk@openaire.euOpen Access Mandate for Publications and Research data assignment_turned_in Project2026 - 2028Partners:TUDTUDFunder: European Commission Project Code: 101204753Funder Contribution: 217,965 EURFor the photocatalytic reduction of inert small molecules using nanomaterials, surface point defects (such as vacancies and heteroatoms) play an important regulatory role. In particular, promoting the activation of adsorbed molecules is directly related to the subsequent multi-step reaction. Traditional simulations mainly focus on the relationship between the ground state fixation model and activation, while ignoring the exploration of the influence of dynamic evolution of defects and molecules on the activation process in the photoexcitation environment. Through the combination of first-principles, many-body perturbation theory, ab initio nonadiabatic molecular dynamics, and experimental verification, we will explore the dynamic evolution and the mechanism of the adsorbed molecule activation process at point defects under photoexcitation. 1) We will study the relaxation process of photogenerated hot electrons at point defects, analyze the formation and evolution of transient and vibrationally excited states of adsorbed molecules, and expand the static activation based on the conventional "acceptance-donation" mechanism. Simultaneously, by exploring the spin state transition and exciton effect at the point defects, we will reveal their effects on the lifetime of molecular dynamic activation intermediates. 2) By studying the dynamic evolution of point defects under molecular adsorption and photoexcitation, we will clarify the regulatory effect of point defects in semi-stable states on the evolution of adsorbed molecular excited states. 3) We will explore the effect of liquid-solid interfaces on the dynamic activation process of small molecules under photoexcitation. The implementation of this project will help resolve many contradictions between the static mechanism and the experimental results, and it will provide a reliable theoretical basis for the photocatalytic performance optimization of point defects.
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For further information contact us at helpdesk@openaire.euOpen Access Mandate for Publications assignment_turned_in Project2019 - 2024Partners:TUDTUDFunder: European Commission Project Code: 819698Overall Budget: 2,000,000 EURFunder Contribution: 2,000,000 EURThe proceeding inexorable digitalisation of modern economics and society creates a steadily increasing demand on smart devices in the context of the industrial internet and the internet of things. To meet future requirements, organic electronics is a disruptive technology featuring low-cost, robust, lightweight, flexible and affordable devices based on organic small molecules and polymers. In contrast to the boosting development of linear conjugated polymers and their applications in organic electronics, the successive increase of dimensionality by connecting multiple strands towards two-dimensional (2D) conjugated polymers remains largely unexplored. In this project, we will develop unprecedented thiophene-based double- and triple-strand conjugated polymers to 2D conjugated polymers (T2DCPs) for organic electronics with tailorable electronic band gap at the molecular level for superior performance in terms of charge carrier mobility, and defect tolerance enabled by the increased dimensionality. In this respect, we aim to establish versatile but also reliable solution-based synthesis strategies (one-pot solvothermal, two-step metal-templating reaction and interfacial soft-templating route) employing thiophene monomers rendering T2DCPs with entirely C=C/Ar-Ar backbone. We will further establish ground-breaking one-pot synthesis of donor-acceptor type T2DCPs featuring lower band gap and unique charge transport behavior. By employing designed thiophene-based monomers and linkage topologies, we will accomplish optical and energy gap engineering, control of the molecular weight (or crystalline domain size), and conjugation channel densities. The consequence is that we will explore the key functions of this intriguing class of semiconducting polymers. As the key achievements, we expect to establish a novel solution-based chemistry, delineation of reliable structure-property relationships and superior device performance of T2DCPs for organic field effect transistors.
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For further information contact us at helpdesk@openaire.euOpen Access Mandate for Publications and Research data assignment_turned_in Project2021 - 2023Partners:TUDTUDFunder: European Commission Project Code: 101031243Overall Budget: 162,806 EURFunder Contribution: 162,806 EURColloidal semiconductor nanocrystals (NCs) attract immense interest both from the scientific community and industrial companies/startups, due to their unique optical properties that are tunable in a wide range through changing their composition, size, shape, etc. However, currently, the implementation of the well-developed NCs in consumer products is hindered by the presence of toxic cadmium and the development of “Cd-free” NCs, investigation and optimization of their properties are important challenges in the field. Among the most promising “Cd-free” alternatives are indium phosphide (InP) NCs but despite all advances in their synthesis, there is still a need to achieve narrow fluorescence of such NCs – a parameter crucial for their applications in light-emitting devices (e.g. in displays). In this project, we propose a novel approach to solve this issue, which consists in the chemical synthesis of two-dimensional InP nanoplatelets (NPls). To achieve this, two strategies will be examined: recrystallization of small InP NCs and cation exchange. The research of the first strategy will involve studying precursor reactivity, searching for a suitable promoter of anisotropic growth, and on the optimization of the reaction conditions. The cation exchange strategy will focus on the investigation of the incorporation of indium ions into the pre-synthesized Cu3-xP NPls to achieve complete cation exchange. In the next stages, further work will concentrate on the optimization of obtained NPls for practical applications through achieving spectral tunability by alloying and through maximizing photoluminescence quantum yield and stability by covering InP NPls with a wide bandgap shell. Additionally, to demonstrate the application potential of the prepared NPls and related heterostructures the extensive characterization of chemical and physical properties of InP NPls will be conducted with the specific focus on the properties relevant for light-emitting applications.
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For further information contact us at helpdesk@openaire.euassignment_turned_in Project2014 - 2015Partners:TUDTUDFunder: European Commission Project Code: 620221All Research productsarrow_drop_down <script type="text/javascript"> <!-- document.write('<div id="oa_widget"></div>'); document.write('<script type="text/javascript" src="https://www.openaire.eu/index.php?option=com_openaire&view=widget&format=raw&projectId=corda_______::c9191bbdf38f1fbd99f7700aad09bd5e&type=result"></script>'); --> </script>
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