DOTA CAS 60239-18-1

1. Medical imaging

Magnetic resonance imaging (MRI) contrast agent: DOTA can form stable chelates with paramagnetic metal ions (such as gadolinium ions, Gd ³ ⁺). These chelates, as MRI contrast agents, can significantly enhance the contrast of MRI images, helping doctors to observe the internal organs and tissue structures of the human body more clearly. For example, in the diagnosis of central nervous system diseases, DOTA gadolinium chelates are widely used to improve the visibility of lesion areas.
Positron emission tomography (PET) and single photon emission computed tomography (SPECT) imaging: DOTA can also be combined with radioactive isotopes (such as Gallium-68, Copper-64, etc.) for PET and SPECT imaging.

These radiolabeled DOTA complexes can track the distribution and metabolism of biomolecules in the body, providing important information for early diagnosis and treatment of diseases.

2. Radioactive labeling and drug delivery

Radioactive labeling: DOTA, as a ligand for radioactive isotopes, can bind radioactive metal ions with drugs or biomolecules to achieve radioactive labeling. This method plays an important role in drug development, biological distribution research, and treatment efficacy evaluation.

For example, by labeling radioactive isotopes onto antibodies through DOTA, the targeted distribution of antibodies in the body can be tracked.

Drug delivery: The complex formed by DOTA and metal ions can be used for targeted drug delivery. By combining drugs with DOTA metal complexes, drug enrichment at specific targets can be achieved, improving therapeutic efficacy and reducing side effects. This strategy is particularly effective in tumor treatment, as it can accurately deliver anti-cancer drugs to tumor tissues.

3. Biomarkers and Cell Imaging

Biomarker: DOTA can serve as a ligand for biomarkers, binding to biomolecules such as antibodies and proteins.

These labeled biomolecules can be used for cell imaging, disease diagnosis, and functional research of biomolecules. For example, labeling DOTA on antibodies can be used to observe the targeted distribution of antibodies in the body through MRI or PET imaging techniques, providing guidance for the diagnosis and treatment of diseases.
Cell imaging: Fluorescent probes formed by the binding of DOTA and fluorescent groups can be used for cell imaging research. These probes can specifically label specific molecules or structures within cells and observe the dynamic changes within cells through fluorescence microscopy.

Catalyst precursor: DOTA's macrocyclic structure and multi dentate coordination ability make it an efficient catalyst precursor. By combining with different metal ions, catalysts with specific catalytic properties can be formed. These catalysts exhibit excellent activity and selectivity in fields such as organic synthesis and asymmetric catalysis. For example, DOTA ruthenium catalyst exhibits high enantioselectivity and catalytic activity in asymmetric hydrogenation reactions.
The synthesis of metal complexes: DOTA can form stable complexes with various metal ions, which have important application value in chemical synthesis. For example.

Fluorescent materials: Fluorescent materials formed by the combination of DOTA and fluorescent groups have wide applications in fields such as biological imaging and optical sensing. These materials are capable of emitting fluorescent signals of specific wavelengths for detecting biomolecules, ions, or small molecule compounds.
Magnetic materials: chelates formed between DOTA and paramagnetic metal ions can be used to prepare magnetic materials. These materials have shown potential application value in fields such as magnetic resonance imaging, data storage, and magnetic separation.

Targeted modification: DOTA can be used for surface modification of nanomaterials to achieve targeted delivery of nanoparticles. By binding DOTA to targeted molecules such as antibodies, peptides, etc., nanoparticles can be specifically delivered to diseased tissues or cells. This strategy has important application prospects in fields such as tumor treatment and disease diagnosis.
Functionalization modification: DOTA can also be used for functionalization modification of nanomaterials, endowing them with new physical or chemical properties. For example, modifying DOTA onto the surface of gold nanoparticles can enhance their stability and biocompatibility, while achieving their multifunctionality.

Heavy metal ion detection: DOTA, as a chelating agent for metal ions, can be used for the detection of heavy metal ions in environmental samples. By forming stable chelates with specific metal ions, quantitative analysis of heavy metal ions can be performed using spectroscopic, electrochemical, and other methods. This method has wide applications in fields such as environmental monitoring and water quality analysis.

Radioactive contamination monitoring: The complex formed by the combination of DOTA and radioactive isotopes can be used for monitoring radioactive contamination. By detecting the distribution and concentration of radiolabeled DOTA complexes in the environment, the degree and extent of radioactive contamination can be evaluated.

Separation and purification: DOTA can be used as a ligand in chromatographic separation technology to achieve the separation and purification of metal ions or biomolecules. By forming stable chelates with specific metal ions, target molecules can be separated from complex samples using the stationary phase of a chromatographic column.
Chemical sensors: Chemical sensors formed by the combination of DOTA with fluorescent or electrochemically active groups can be used to detect specific molecules or ions in the environment. These sensors have high sensitivity and selectivity, and can monitor real-time changes in pollutant concentration in the environment.