Results 21 to 30 of about 48,676 (294)

Bioorganometallic Technetium and Rhenium Chemistry: Fundamentals for Applications

CHIMIA, 2020
Due to its long half-life of 2.111×105 y, technetium, i.e. 99Tc, offers the excellent opportunity of combining fundamental and ' classical ' organometallic or coordination chemistry with all methodologies of radiochemistry.
Roger Alberto, Henrik Braband, Qaisar Nadeem   +2 more
doaj   +1 more source

Effect of an extract of Centella asiatica on the biodistribution of sodium pertechnetate (Na^99mTcO₄) and on the fixation of radioactivity on blood constituents [PDF]

, 2008
This study evaluates the effects of an acute treatment with a Centella asiatica (CA) extract on the biodistribution of the radiopharmaceutical Na99mTcO4 and on the fixation of technetium-99m on blood constituents. Wistar rats were treated with CA extract
Adenilson de Souza da Fonseca, Benarroz M. O., Bernardo-Filho M., Capriles P. V., Claudia Leite Diniz, Danielle Santos de Almeida, Fernanda Santos do Carmo, Fonseca A. S., Frydman J. N. G., Goel H. C., Inamdar P. K., Jayashree G., Mario Bernardo Filho, Moreno S.R., Owunwanne A., Padma P. R., Rebello B. M., Saha G. B., Sebastião David Santos-Filho, Sharma J., Shobi V., Simões C. M. O., Sotiris Missailidis   +22 more
core   +4 more sources

Synthesis and Structure of Oxygen Deficient Lead-Technetium Pyrochlore, the First Example of a Valence V Technetium Oxide

Frontiers in Chemistry, 2021
The structure of lead-technetium pyrochlore has been refined in space group Fd3¯m with a = 10.36584(2) Å using a combination of synchrotron X-ray and neutron powder diffraction data and confirmed via Electron Diffraction.
Brendan J. Kennedy, Timothy A. Ablott, Maxim Avdeev, Maxim Avdeev, Melody L. Carter, Linda Losurdo, Matilde Saura-Muzquiz, Kevin J. Thorogood, Jimmy Ting, Kia S. Wallwork, Zhaoming Zhang, Hanliang Zhu, Gordon J. Thorogood, Gordon J. Thorogood   +13 more
doaj   +1 more source

Synthesis, metal complexation and biological evaluation of a novel semi-rigid bifunctional chelating agent for 99mTc labelling [PDF]

, 2006
A novel bifunctional chelating agent bearing an aromatic ring has been synthesised and characterised. This ligand formed well-defined oxorhenium complexes.
Benoist, Eric, Coulais, Yvon, Gressier, Marie, Le Gal, Julien, Michaud, Sandra   +4 more
core   +1 more source

Technetium Complexes and Radiopharmaceuticals with Scorpionate Ligands

Molecules, 2018
Scorpionate ligands have played a crucial role in the development of technetium chemistry and, recently, they have also fueled important advancements in the discovery of novel diagnostic imaging agents based on the γ-emitting radionuclide ...
Petra Martini, Micol Pasquali, Alessandra Boschi, Licia Uccelli, Melchiore Giganti, Adriano Duatti   +5 more
doaj   +1 more source

Radioisotopic purity and imaging properties of cyclotron-produced 99mTc using direct 100Mo(p,2n) reaction [PDF]

, 2018
Evaluation of the radioisotopic purity of technetium-99m (99mTc) produced in GBq amounts by proton bombardment of enriched molibdenum-100 (100Mo) metallic targets at low proton energies (i.e. within 15\u201320 MeV) is conducted.
Bello, M., Boschi, A., Cicoria, G., De Nardo, L., Di Domenico, G., Duatti, A., Esposito, J., Groppi, F., Loriggiola, M., Manenti, S., Marengo, M., Martini, P., Melendez-Alafort, L., Mou, L., Pasquali, M., Pupillo, G., Rosato, A., Rossi-Alvarez, C., Salvini, A., Selva, A., Strada, L., Taibi, A., Uccelli, L., Uzunov, N. M., Zagni, F.   +24 more
core   +1 more source

Technetium-99m scintimammography in the diagnosis of malignant breast tumors [PDF]

Vojnosanitetski Pregled, 2004
Background. Technetium-99m (99mTc) tetrofosmin scintigraphy is a new imaging method for the diagnosis of various malignancies, such as lung, thyroid, and most frequently breast neoplasms.
Jauković Ljiljana
doaj   +1 more source

The Chemistry of Phenylimidotechnetium(V) Complexes with Isocyanides: Steric and Electronic Factors

Molecules, 2022
Organometallic approaches are of ongoing interest for the development of novel functional 99mTc radiopharmaceuticals, while the basic organotechnetium chemistry seems frequently to be little explored. Thus, structural and reactivity studies with the long-
Guilhem Claude, Laura Zeh, Maximilian Roca Jungfer, Adelheid Hagenbach, Joshua S. Figueroa, Ulrich Abram   +5 more
doaj   +1 more source

Breast cancer: Monitoring response to neoadjuvant chemotherapy using Tc-99m sestamibi scintimammography [PDF]

, 2003
Background: Aim of the study was to assess the value of scintimammography using Tc-99m sestamibi in the evaluation of tumor response to neoadjuvant chemotherapy.
Brinkbäumer, K., Hahn, K., Keßler, M., Linke, R., Sommer, H., Tiling, R., Untch, M.   +6 more
core   +1 more source

Three-component spectroelectrochemical sensor module for the detection of pertechnetate (TcO4-)

Reviews in Analytical Chemistry, 2013
This review looks at the advancements in the development of a sensor for technetium (Tc) that is applicable to characterizing and monitoring the vadose zone and associated subsurface water.
Chatterjee Sayandev, Bryan Samuel A., Seliskar Carl J., Heineman William R.   +3 more
doaj   +1 more source