Results 71 to 80 of about 51,772 (325)

Feasibility study of the positronium imaging with the J-PET tomograph [PDF]

, 2018
A detection system of the conventional PET tomograph is set-up to record data from e+ e- annihilation into two photons with energy of 511 keV, and it gives information on the density distribution of a radiopharmaceutical in the body of the object. In this paper we explore the possibility of performing the three gamma photons imaging based on ortho ...
arxiv   +1 more source

Characterization in Geant4 of different PET configurations [PDF]

arXiv, 2023
Positron Emission Tomography (PET) is a Nuclear Medicine technique that creates images that allow the study of metabolic activity and organ function using radiopharmaceuticals. Continuous improvement of scintillation detectors for radiation in PET as well as improvement in electronic detectors (e.g., SiPMs) and signal processing, makes the field of PET
arxiv  

The expanding role of nuclear medicine in therapeutic strategies [PDF]

, 2008
The concept of carrying a cytotoxic radionuclide directly to cancerous cells is an attractive alternative to conventional forms of radiation treatment.
Aquilina, Mark Anthony
core  

Imaging glutathione depletion in the rat brain using ascorbate-derived hyperpolarized MR and PET probes. [PDF]

, 2018
Oxidative stress is a critical feature of several common neurologic disorders. The brain is well adapted to neutralize oxidative injury by maintaining a high steady-state concentration of small-molecule intracellular antioxidants including glutathione in
Carroll, Valerie N, Flavell, Robert R, Keshari, Kayvan R, Kurhanewicz, John, Mutch, Christopher A, Qin, Hecong, Sriram, Renuka, Villanueva-Meyer, Javier E, von Morze, Cornelius, Wang, Zhen Jane, Wilson, David M   +10 more
core   +1 more source

Bioorthogonal Postlabeling Reveals Nuclear Localization of a Highly Cytotoxic Half‐Sandwich Ir(III) Tetrazine Complex in Live Cells

ChemBioChem, EarlyView.
This study reports the synthesis of five tetrazine‐coordinated, half‐sandwich iridium complexes and extensively describe their reactivity. Live cell fluorescent bioorthogonal labeling reveals the nuclear tropism of the most cytotoxic complex. Intracellular imaging of anticancer metallodrugs often relies on prelabeling with organic fluorophores, which ...
Alfonso Annunziata, Sadek Amhaz, Jérémy Forté, Geoffrey Gontard, Romain Morichon, Joëlle Sobczak‐Thépot, Michèle Salmain   +6 more
wiley   +1 more source

Letter: Radiopharmaceuticals in breastfeeding [PDF]

Australian Prescriber, 2016
In the article on drugs in breastfeeding,1 I was dismayed at the inclusion of ‘radiopharmaceuticals’ in the table of drugs contraindicated in breastfeeding. There was little elaboration within the article as to the reason for this. The other drugs listed have sufficient evidence of the potential for serious adverse effects to the infant.
openaire   +3 more sources

Preclinical evaluation of [18F]FP-CIT, the radiotracer targeting dopamine transporter for diagnosing Parkinson’s disease: pharmacokinetic and efficacy analysis

EJNMMI Research
Background N-(3-fluoropropyl)-2β-carboxymethoxy-3β-(4-iodophenyl) nortropane (FP-CIT), the representative cocaine derivative used in dopamine transporter imaging, is a promising biomarker, as it reflects the severity of Parkinson’s disease (PD).
Jae Hun Ahn, Min Hwan Kim, Kyongkyu Lee, Keumrok Oh, Hyunwoo Lim, Hee Seup Kil, Soon Jeong Kwon, Jae Yong Choi, Dae Yoon Chi, Yong Jin Lee   +9 more
doaj   +1 more source

Polycrystalline para-terphenyl scintillator adopted in a $β^-$ detecting probe for radio-guided surgery [PDF]

Journal of Physics: Conference Series 620 (2015) 012009, 2015
A radio-guided surgery technique exploiting $\beta^-$ emitters is under development. It aims at a higher target-to-background activity ratio implying both a smaller radiopharmaceutical activity and the possibility of extending the technique to cases with a large uptake of surrounding healthy organs.
arxiv   +1 more source

Functional brain imaging : a brief overview of imaging techniques and their use in human and canine anxiety research [PDF]

, 2011
When used in combination with specific radioactive markers, functional imaging modalities such as Single Photon Emission Computed Tomography (SPECT) and Positron Emission Tomography (PET) enable the visualization of several neurotransmitter receptors and
Audenaert, Kurt, De Meester, Rudy, Dobbeleir, André, Peremans, Kathelijne, van Bree, Henri, Vandermeulen, Eva, Vermeire, Simon   +6 more
core  

Harnessing Organometallic Au(III) Complexes as Precision Scaffolds for Next‐Generation Therapeutic and Imaging Agents

ChemBioChem, EarlyView.
Cyclometalated gold(III) complexes offer a versatile platform for selective biological interactions, including cysteine arylation, redox modulation, and enzyme inhibition. This review explores their roles in anticancer, antimicrobial, and protein modification strategies, highlighting their ability to disrupt metabolic pathways, modulate aquaporins, and
Sophie R. Thomas, Riccardo Bonsignore
wiley   +1 more source