Leaps-MPS: synthesis and binding thermodynamics of three-fold symmetric organometallic receptors for inorganic phosphates
Ended Project Grant Awarded Last action
- Award ID
- 2419018
- Recipient
-
Saint Marys College Of California UEI LEJGNN7CS3N7
- Awarding agency
-
Division of Chemistry
National Science Foundation
- Obligated
- $188,625
Award facts
- Assistance listing
- 47.049 Mathematical and Physical Sciences
- Completion date
- Funding agency
- National Science Foundation
- Place of performance
- Moraga, CA 94575, USA
Award details come from USAspending.gov.
Description
- Abstract
- In this project, funded by the MPS-leaps (launching early-career academic pathways) program and managed by the broadening participation program in the division of chemistry (CHE-BP), professor WAN-YI CHU and her students at saint mary?s college of california will perform studies focused on the development of efficient receptors for aqueous inorganic phosphate anions. Phosphates are important fertilizer ingredients that are exhibiting a rapid decline in mineable reserves. Large amounts of phosphates are now accumulated in fresh water sources due to food consumption and agricultural runoffs. Extracting and recycling these phosphates from water is a challenging task due to its high hydration energy. Professor CHU and her students will develop a new family of organometallic receptors and evaluate their phosphate binding efficiency. The receptors are designed to overcome the large hydration energy of phosphates through metal-ligand cooperative interactions in a three-fold symmetric h-bond assembly. Their studies will contribute to the development of improved phosphate extraction technologies to ensure lasting food security. This work will be carried out by early college students and community college students, allowing them to gain research experiences in the lab and become better prepared for further professional development opportunities in the sciences. This work aims to elucidate the thermodynamic factors that influence metal-ligand cooperative binding of phosphates in organometallic complexes. The proposed complexes are designed to interact with phosphates through metal-ligand bonding with a metal center and h-bonds in the secondary coordination sphere. The h-bonds are assembled in a three-fold symmetric fashion to enhance the binding of tetrahedral phosphates through geometric recognition. Professor CHU and her students will first establish the syntheses of a series of structurally similar complexes that are promising as phosphate receptors. They will focus on metals with high pearson?s hardness levels, such as FE(III), CU(II), and ZN(II). The ligand structures are systematically varied within the series to afford binding cavities that feature different sizes and rigidity. Professor CHU and her students will further measure the association equilibrium constants, enthalpies, and entropies of phosphate binding in these complexes. These thermodynamic values will be correlated with the structural variations in the organometallic series. These investigations of the relationships between receptor structure and phosphate binding efficiency will contribute to the establishment of a set of design criteria for selective organometallic phosphate receptors. This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the foundation's intellectual merit and broader impacts review criteria.- subawards are not planned for this award.
Transactions
| Action | Obligated | Date |
|---|---|---|
| Amendment | $0 | |
| Amendment | $0 | |
| Original award | $188,625 |
Quick answers
Who received award 2419018?
2419018 was awarded to Saint Marys College Of California by Division of Chemistry (National Science Foundation) on September 1, 2024.
How much is award 2419018 worth?
$188,625 has been obligated on 2419018.
Which agency awarded 2419018?
Division of Chemistry (National Science Foundation) awarded 2419018, with funding from National Science Foundation.
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