Bta Gadolinium Dtpa
Bta Gadolinium Dtpa - Related Videos
05:15
An Aptamer-based Sensor for Unchelated Gadolinium(III)
0 Views •
2017
The use of polydeoxynucleotide (44-mer aptamer) molecules for sensing unchelated gadolinium(III) ion in an aqueous solution is described. The presence of the ion is detected via an increase in the fluorescence emission of the sensor.
11:22
Investigations on the Ga(III) Complex of EOB-DTPA and Its 68Ga Radiolabeled Analogue
0 Views •
Cited by 2 •
2016
A procedure for the isolation of EOB-DTPA and subsequent complexation with natural Ga(III) and 68Ga is presented herein, as well as a thorough analysis of all compounds and investigations on labeling efficiency, in vitro stability and the n-octanol/water distribution coefficient of the radiolabeled complex.
16:24
Controlling the Size, Shape and Stability of Supramolecular Polymers in Water
0 Views •
Cited by 13 •
2012
The goal of this experiment is to determine and control the size, shape and stability of self-assembled discotic amphiphiles in water. For aqueous based supramolecular polymers such level of control is very difficult. We apply a strategy using both repulsive and attractive interactions. The experimental techniques applied to characterize this system are broadly applicable.
06:15
Tumor Treating Field Therapy in Combination with Bevacizumab for the Treatment of Recurrent Glioblastoma
0 Views •
Cited by 15 •
2014
A novel methodology that is employed for the treatment of recurrent glioblastomas is described. This treatment approach employs the application of alternating electric tumor treating fields (TTFields), known as TTF Therapy in combination with bevacizumab, a targeted agent that is currently FDA approved as monotherapy.
13:21
Preparation, Purification, and Characterization of Lanthanide Complexes for Use as Contrast Agents for Magnetic Resonance Imaging
0 Views •
Cited by 9 •
2011
We demonstrate the metalation, purification, and characterization of lanthanide complexes. The complexes described here can be conjugated to macromolecules to enable tracking of these molecules using magnetic resonance imaging.
FAQs
The DTPA ligand binds the gadolinium ion, limiting the metal’s free-ion reactivity while preserving its ability to affect nearby water-proton relaxation. This balance is central to contrast-agent design: the complex must remain sufficiently stable for controlled imaging effects. Engineers therefore consider chelation when developing safer materials and evaluating how the agent performs in biomedical imaging systems.
Gadolinium changes the relaxation behavior of nearby water protons, which can alter the contrast observed in magnetic resonance images. The imaging value comes from translating this local molecular interaction into visible differences between tissues, materials, or engineered systems. Evaluating relaxation effects helps researchers determine whether a contrast formulation can reveal the structures or processes being studied.
Suitability depends on the relationship among chelation, relaxivity, dosage, and stability. Chelation limits free-ion reactivity, relaxivity describes the contrast-producing interaction with water protons, dosage affects the amount used, and stability supports retention of the intended complex. Considering these properties together helps engineers balance image performance with the design goal of safer contrast materials.
Engineers can use changes in contrast to characterize how the agent moves through tissues, materials, or experimental systems. The resulting imaging information can support analysis of transport, perfusion, and permeability rather than merely showing anatomy. This makes the contrast material useful for evaluating movement through engineered models and for connecting image behavior with material or system performance.
A useful workflow relates the contrast material’s administration or placement to the resulting magnetic resonance image behavior. Researchers examine how chelation, relaxivity, dosage, and stability influence the observed contrast, then interpret the images for transport, perfusion, permeability, or material performance. This approach links measurable imaging changes to the function of a biomedical or engineered system.
Its engineering relevance extends across diagnostic imaging, biomaterials, engineered imaging systems, and experimental models. In these settings, researchers can use contrast behavior to assess tissue or material characteristics and to study system performance. The same principles also inform development of safer contrast agents by connecting molecular stability with measurable image contrast and application-specific requirements.