Interaction Study of an Amorphous Solid Dispersion of Cyclosporin A in Poly-Alpha-Cyclodextrin with Model Membranes by <sup>1</sup>H-, <sup>2</sup>H-, <sup>31</sup>P-NMR and Electron Spin Resonance

<table><sup>31</sup>P-NMR of pure DMPC (50 mM concentration), with weighted chemical shift variations in POLYA protons as a function of the POLYA molar fraction,<b> ◆</b>; or containing 4 mM CYSP ∆; 4 mg POLYA ○; or 4 mg ASD <svg height="7.9250002" id="M28" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 10.1 7.9250002" width="10.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.863)"><path d="M471 153q-22 -15 -61 -13q-25 31 -45.5 49.5t-56.5 41.5q4 -71 28 -134q-17 -33 -42 -46q-24 12 -42 46q24 63 28 134q-36 -23 -56.5 -41.5t-45.5 -49.5q-36 -2 -61 13q0 28 19 59q65 10 130 43q-65 33 -130 43q-19 31 -19 59q22 15 61 13q25 -31 45.5 -49.5t56.5 -41.5
q-4 71 -28 134q17 33 42 46q24 -12 42 -46q-24 -63 -28 -134q36 23 56.5 41.5t45.5 49.5q36 2 61 -13q0 -28 -19 -59q-65 -10 -130 -43q65 -33 130 -43q19 -31 19 -59z" id="x2217"></path></g>
</svg>; insert shows a typical spectrum of DMPC dispersion at 298 K. Arrows represent the chemical shift anisotropy.</table>

Journal of Drug Delivery

fig3

Figure 3

Figure 3: Interaction Study of an Amorphous Solid Dispersion of Cyclosporin A in Poly-Alpha-Cyclodextrin with Model Membranes by <sup>1</sup>H-, <sup>2</sup>H-, <sup>31</sup>P-NMR and Electron Spin Resonance 

Figure 3 | Interaction Study of an Amorphous Solid Dispersion of Cyclosporin A in Poly-Alpha-Cyclodextrin with Model Membranes by 1H-, 2H-, 31P-NMR and Electron Spin Resonance 