Table 1 Isothermal titration calorimetry (ITC) thermodynamic parameters.

From: Targeted delivery of nanomaterials with chemical cargoes in plants enabled by a biorecognition motif

Nanomaterials

Ligand

N (sites)

Ka (M−1)

Kd (M)

∆H (cal mol−1)

∆S (cal mol−1 K−1)

CD-QD

MV

1580

2.10 × 104

4.76 × 10−5

−50.76

19.6

CD-QD

Asc

5130

2.51 × 104

3.98 × 10−5

−9780

−12.7

MPA-QD

MV

458

2.08 × 104

4.81 × 10−5

−594

17.7

MPA-QD

Asc

532

1.81 × 104

5.52 × 10−5

−1693

13.7

  1. Thermodynamic parameters including number of binding sites (N), association constant (Ka), dissociation constant (Kd), enthalpy change (∆H), and entropy change (∆S) of interactions between QD (CD-QD or control MPA-QD) and chemical cargoes (methyl viologen or ascorbic acid).
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