Effect of cAMP on macromolecule synthesis in the pathogenic protozoa Trypanosoma cruzi by Dilvani O. Santos, Mécia M. Oliveira

Subjects: Get full text

Preclinical Testing of Radiopharmaceuticals for the Detection and Characterization of Osteomyelitis: Experiences from a Porcine Model by Aage Kristian Olsen Alstrup, Svend Borup Jensen, Ole Lerberg Nielsen, Lars Jødal, Pia Afzelius

“…Therefore, developing improved animal osteomyelitis models is as important as developing new radioactive tracers. We recently published a review on radioactive tracers. …”
Get full text

Retrieving the age of air spectrum from tracers: principle and method by A. Podglajen, F. Ploeger

“…The latter experiment highlights the limits of inversions using only parent radioactive tracers: they are unable to retrieve fine-scale structures such as the annual cycle. …”
Get full text

The Lavoisier mission: A system of descent probe and balloon flotilla for geochemical investigation of the deep atmosphere and surface of Venus by Chassefiere, E, Berthelier, J, Bertaux, J, Quemerais, E, Pommereau, J, Rannou, P, Raulin, F, Coll, P, Coscia, D, Jambon, A, Sarda, P, Sabroux, J, Vitter, G, Le Pichon, A, Landeau, B, Lognonne, P, Cohen, Y, Vergniole, S, Hulot, G, Mandea, M, Pineau, J, Bezard, B, Keller, H, Titov, D, Breuer, D

“…Additional tentative objectives are search for (a) atmospheric electrical activity (optically, radioelectrically, acoustically), (b) crustal outgassing and/or volcanic activity : acoustic activity, horizontal/vertical distribution of radioactive tracers, (c) seismic activity : acoustic waves transmitted from crust to atmosphere, and (d) remanent and/or intrinsic magnetic field. …”

Metals as anodes in non-aqueous media by Nelson, Carl Walter

Get full text

Investigation of uranium oxide of low oxidation state by Nelson, Carl W

Get full text

[Clinical relevance of MR spectroscopy of the heart] by Neubauer, S

“…MR spectroscopy is the only method that allows for the noninvasive study of cardiac metabolism in the human heart without the use of external radioactive tracers. 31P-spectroscopy allows to examine the high-energy phosphates ATP and phosphocreatine. …”

Kinetics of Cation Desorption from Heterogeneous Solid Surface at Very Low Coverage by Edward W. Thornton, Guy Renn

“…The kinetics of this slow desorption were studied using radioactive tracers in a flow cell experiment. On a number of real adsorbents the kinetics are explained by rate limiting desorption from random, weakly heterogeneous surface sites. …”
Get full text

Development, validation and implementation of multiple radioactive particle tracking technique by Mehul S. Vesvikar, Thaar M. Aljuwaya, Mahmoud M. Taha, Muthanna H. Al-Dahhan

“…In this work, a newly developed Multiple Radioactive Particle Tracking technique (M-RPT) used to track two different radioactive tracers is demonstrated. The M-RPT electronics was developed that can differentiate between gamma counts obtained from the different radioactive tracers on the basis of their gamma energy peak. …”
Get full text

Joint and Rapid Determination of 210Pb-210Bi-210Po in Rock, Soil and Sediment Samples by Constant Temperature Spontaneous Deposition on Cu-foil with Gross α and Gross β Counting by WANG Yu-xue, GUO Dong-fa, HUANG Qiu-hong, WANG Zhe, SUN Wei, LIU Li-kun

“…Joint measurement techniques of these nuclides reported in the literature require expensive testing apparatus and radioactive tracers, or the capacity of resisting disturbance of the deposition conditions is relatively weak and the test period is relatively long. …”
Get full text

Transport processes of radiopharmaceuticals and -modulators by Langguth Peter, Efferth Thomas

“…The term "radiopharmaceutical" has been used for drugs labeled with radioactive tracers for therapy or diagnosis. In addition, drugs have been described to sensitize tumor cells to radiotherapy (radiosensitizers) or to protect normal tissues from detrimental effects of radiation (radioprotectors). …”
Get full text

Detection of myocardial disorders by magnetic resonance spectroscopy. by Hudsmith, L, Neubauer, S

“…This technique is the only method available for noninvasive assessment of cardiac metabolism without the need for the application of external radioactive tracers. MRS provides insights into the role of cardiac energetics in ischemic heart disease, heart failure, hypertrophy, and valve disease. …”

Determination of deoxycholic acid pool size and input rate using [24-13C]deoxycholic acid and serum sampling. by F Stellaard, G Paumgartner, G P van Berge Henegouwen, S D van der Werf

“…We conclude that pool size and input rate of deoxycholic acid can accurately be determined by blood sampling after oral administration of [24-13C]deoxycholic acid, therewith eliminating the use of radioactive tracers and the need for bile sampling.…”
Get full text

Measurement of extracellular fluid compartment volume using inulin: by Ghassan T. Al-Ani

“…Background: There is a need to find methods to assess the size of the extracellular fluid (ECF) volume without involving radioactive tracers. For this purpose, the simple delusion method was used to measure the ECF in rabbits and the inulin which is a polysaccharide was used as a marker of ECF measurement. …”
Get full text

A simple method for the evaluation of receptor binding capacity of modified cytokines. by Chianelli, M, Signore, A, Hicks, R, Testi, R, Negri, M, Beverley, P

“…This method is suitable for measuring the binding capacity of modified IL-2 molecules and avoids the need for radioactive tracers. It provides a simple and reproducible technique, which can be extended readily to the study of the receptor binding capacity of cytokines conjugated with toxins, drugs or other molecules.…”

Modelling and detecting tumour oxygenation levels. by Anne C Skeldon, Gary Chaffey, David J B Lloyd, Vineet Mohan, David A Bradley, Andrew Nisbet

“…Mapping the spatial distribution of oxygen in vivo is difficult. Radioactive tracers that are sensitive to different levels of oxygen are under development and in the early stages of clinical use. …”
Get full text

Strategies for labelling of exogenous and endogenous extracellular vesicles and their application for in vitro and in vivo functional studies by Marie Boudna, Andres Delgado Campos, Petra Vychytilova-Faltejskova, Tana Machackova, Ondrej Slaby, Kamila Souckova

“…Furthermore, this article presents techniques that use radioactive tracers and contrast agents with the ability to track EVs both spatially and temporally. …”
Get full text

Cognitive impairment and fMRI in major depression. by Ebmeier, K, Rose, E, Steele, D

“…It has the correct time window to repeatedly sample cognitive task performance; it does not require exposure to radioactive tracers and can therefore be repeated many times; it also can be linked with high resolution structural images acquired in the same imaging session that help identify the regions of activation and support the spatial transformation necessary to compare the scans of different subjects. fMRI has already produced a series of consistent results in depression, identifying increased activity of rostral anterior cingulate and other medial prefrontal structures during effortful tasks and on occasion also increased dorsolateral prefrontal activity, suggesting increased possibly compensatory activity to maintain task performance. …”

Microbial Community Composition Correlates with Metal Sorption in an Ombrotrophic Boreal Bog: Implications for Radionuclide Retention by Merja Lusa, Malin Bomberg

“…Microbial populations and their relationship to oxic and anoxic batch sorption of radionuclides (using radioactive tracers of I, Se, Cs, Ni, and Ag) and the prevailing metal concentrations in the natural bog was investigated. …”
Get full text

Tracers in Gastric Cancer Surgery by Zhiyan Li, Xianghui Li, Xudong Zhu, Shichao Ai, Wenxian Guan, Song Liu

“…Herein, we summarize the application of contemporary tracers in gastric cancer surgery, including isosulfan blue, methylene blue, patent blue, indocyanine green, carbon particles, and radioactive tracers. Their mechanisms, administration methods, detection efficiency, and challenges, as well as perspectives on them, are also outlined.…”
Get full text