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Layered Double Hydroxide Synthesis of Molecularly Imprinted Polymer for Selective Recognition of Drug

Graduate #44
Discipline: Chemistry and Chemical Sciences
Subcategory: Nanoscience

Frank Ikponmwen - Clark Atlanta University


Intercalated polyallyl alcohol with layered double hydroxide (LDH) nanocomposites was directly synthesized by first preparing LDH, and then carried out by anionic exchange. The monomer (allyl alcohol) was directly intercalated into the LDH gallery at 70°C. The MgAl LDH as the nanofiller was modified via the precipitation of the salt mixture of magnesium and aluminum metals by sodium dodecyl sulfate (SDS) and then initiated with sodium persulfate. Various techniques, Fourier Transformed Infrared Spectroscopy (FTIR), X-Ray-diffraction (XRD), Scanning Electron Microscope (SEM), and Thermo Gravimetric Analyses (TGA) were used for structural properties, functional groups, d-spacing and thermal stability of the nanocomposites. FTIR spectra indicated the presence of both functional groups of MgAl LDH, SDS–LDH, Persulfate-LDH and SDS Persulfate-LDH. XRD patterns and SEM images indicated the formation of any amorphous dispersed, crystallinity and exfoliated nanocomposites. Decrease or increase in thermal stability (Temperature) with MgAl LDH, SDS–LDH, Persulfate-LDH and SDS Persulfate-LDH content was observed by TGA through the T0.71 (T0.71 the degradation temperature at 71%) and Tmax at T0.84 (T0.84 the degradation temperature at 84%). The goal of this project was to carry out Molecular Imprinting Polymer (MIP) on a selective drug of the desire template and washing only the polymer and leaving the specific binding site for that desire drug. Thus, the resultant polymer matrix recognizes and then binds selectively only to the template molecules called “lock and key” model.

Not Submitted

Funder Acknowledgement(s): Frank Ikponmwen and James Reed

Faculty Advisor: James Reed, jreed@cau.edu

Role: ALL PARTS

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This material is based upon work supported by the National Science Foundation (NSF) under Grant No. DUE-1930047. Any opinions, findings, interpretations, conclusions or recommendations expressed in this material are those of its authors and do not represent the views of the AAAS Board of Directors, the Council of AAAS, AAAS’ membership or the National Science Foundation.

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