MALDITOF Mass Matrix Assisted Laser Desorption Ionization Time

MALDI-TOF Mass의 원리 및 응용 (Matrix Assisted Laser Desorption Ionization – Time Of Flight Mass Spectrometry)

DLS & SLS 의 원리 Center for Supramolecular Nano-Assembly

DLS (Dynamic Light Scattering)

SEM H 2 O THF TEM 100 nm J. Am. Chem. Soc. 2004, 126, 6294.

TEM DLS A 100 nm A 100 nm B 18 nm B 50 nm C 10 nm 3 nm C 1 10 100 Radius (nm) J. Am. Chem. Soc. 2004, in press 10000

Zimm Plot of a PS Standard 1. 013 1. 203 mg/m. L 0. 845 c=0 0. 50 q=0

Static Light Scattering in water/THF Aggregation number 2. 18 x 107 g/mol (micelle) / 2, 100 (rod-coil) = 10, 400 Area per molecule 4 (48. 8 nm)2 / 10, 400 = 2. 88 nm 2 / molecule Rg/ Rh = 48. 8/44. 2 = 1. 10 Rg/Rh Uniform sphere: 0. 774 Polymer coil: 1. 50 Spherical Shell: 1. 0

Calculation of Rg ln(I(q)) q 2/cm-2