Tracer studies

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Evaluation of 18fluorin-fluorothymidine uptake in breast and lung-tumor bearing mice

The purpose of this study was to assess tracer uptake (%ID/g) in tumor-bearing mice and the relationship between uptake values and Ki-67 expression. In our model experiment, accumulation of the tracer in the tumor samples correlates with its malignancy which indicates that 18F-FLT could be a feasible PET tracer.

6p viling 11-10-2024 4 1 Download

Master's thesis of Engineering: Investigating the origin and dynamics of salinity in a confined aquifer system in southeast Australia (Western Port Basin)

The study determines the predominant hydrogeological controls on salinity distribution and salinization/freshening, proposing conceptual models to explain the different vertical distributions of groundwater salinity at the coastline. An improved understanding of the sources of salinity and the hydrogeological controls will subsequently provide support for the future management of groundwater in the Western Port Basin, and serve as a template for how to unravel complex salinity distributions in coastal aquifers, and their relationships to palaeo- and recent geomorphological histories.

314p runthenight05 01-03-2023 9 4 Download

Simulation study of tracer self-diffusion mechanism in cobalt amorphous solids

The simulation finds a large number of vacancy-simplexes, which plays a role of diffusion vehicle for cobalt atom and varies with relaxation degree. A new diffusion mechanism for tracer diffusivity in cobalt amorphous solid is supposed as follows: The elemental atomic movement includes a jump of neighbouring atoms into the vacancy-simplexes and then collective displacement of a large number of atoms.

9p larachdumlanat127 20-12-2020 18 3 Download
Lecture Molecular biology (Fifth Edition): Chapter 5 - Robert F. Weaver

Chapter 5 - Molecular tools for studying genes and gene activity. This chapter describe the most popular techniques that molecular biologists use to investigate the structure and function of genes. Most of these start with cloned genes. Many use gel electrophoresis. Many also use labeled tracers, and many rely on nucleic acid hybridization. We have already examined gene cloning techniques.

82p tangtuy05 30-03-2016 38 3 Download
Research " RACE AND GENDER DIHERENCES EN EDUCATIONAL ATTAINMENT, HILD OF STUDY, AND [NCREMENTS TO EARNINGS (EVIDENCE FROM UNIVERSITY OF ILLINOIS TRACER STUDIES AND NATIONWIDE EARNINGS DATA) "

.....RACE AND GENDER DIHERENCES EN EDUCATIONAL ATTAINMENT, HILD OF STUDY, AND [NCREMENTS TO EARNINGS (EVIDENCE FROM UNIVERSITY OF ILLINOIS TRACER STUDIES AND NATIONWIDE EARNINGS DATA) Even at the upper extreme of the estimated confidence intervals, the SAT gap between more- and less-desirable schools is not meaningfully larger in markets with decentralized governance than in those with less Tiebout choice.

171p mualan_mualan 25-02-2013 44 6 Download