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In this paper we propose an approach for solving systems of nonlinear equations without computing function derivatives. Motivated by the application area of tomographic absorption spectroscopy, which is a highly-nonlinear problem with variables coupl
Externí odkaz:
http://arxiv.org/abs/2405.08635
Introduction Gold nanoparticles (AuNPs) have demonstrated their incredible versatility in applications such as in vitro and in vivo imaging, cancer therapy, and drug delivery.[1-3] These AuNPs come in many shapes including nanospheres, nanorods, nano
Externí odkaz:
https://hzdr.qucosa.de/id/qucosa%3A22298
https://hzdr.qucosa.de/api/qucosa%3A22298/attachment/ATT-0/
https://hzdr.qucosa.de/api/qucosa%3A22298/attachment/ATT-0/
Introduction 52Mn (t½ =5.59 d, β+ = 29.6%, Eβmax = 0.58 MeV) has great potential as a long lived PET isotope for use in cell tracking studies, observation of immunologic response to disease states, or as an alternative to manganese-based MRI contr
Externí odkaz:
https://hzdr.qucosa.de/id/qucosa%3A22299
https://hzdr.qucosa.de/api/qucosa%3A22299/attachment/ATT-0/
https://hzdr.qucosa.de/api/qucosa%3A22299/attachment/ATT-0/
Introduction The effective specific activity of a radioisotope is an indirect and highly useful way to describe a radioactive sample’s purity. A high effective specific activity combines the concept of an isotopically pure product with suitability
Externí odkaz:
https://hzdr.qucosa.de/id/qucosa%3A22296
https://hzdr.qucosa.de/api/qucosa%3A22296/attachment/ATT-0/
https://hzdr.qucosa.de/api/qucosa%3A22296/attachment/ATT-0/
Introduction Two current major research topics in nuclear medicine are in the development of long-lived positron-emitting nuclides for imaging tracers with long biological half-lives and in theranostics, imaging nuclides which have a chemically analo
Externí odkaz:
https://hzdr.qucosa.de/id/qucosa%3A22278
https://hzdr.qucosa.de/api/qucosa%3A22278/attachment/ATT-0/
https://hzdr.qucosa.de/api/qucosa%3A22278/attachment/ATT-0/
Introduction Gold nanoparticles (AuNPs) have demonstrated their incredible versatility in applications such as in vitro and in vivo imaging, cancer therapy, and drug delivery.[1-3] These AuNPs come in many shapes including nanospheres, nanorods, nano
A core task in precision agriculture is the identification of climatic and ecological conditions that are advantageous for a given crop. The most succinct approach is geolocation, which is concerned with locating the native region of a given sample b
Externí odkaz:
http://arxiv.org/abs/2301.13387
Publikováno v:
Reviews in Analytical Chemistry, Vol 17, Iss 4, Pp 235-285 (1998)
Externí odkaz:
https://doaj.org/article/650c489c329c44df91dcd4ff457d4dbd
Publikováno v:
In Geoderma May 2024 445
In this paper, we develop a framework to construct energy-preserving methods for multi-components Hamiltonian systems, combining the exponential integrator and the partitioned averaged vector field method. This leads to numerical schemes with both ad
Externí odkaz:
http://arxiv.org/abs/2110.04092