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. 2023 May 20;13(5):532. doi: 10.3390/membranes13050532

Table 6.

Techniques for direct enzyme loading measurement on support materials.

Technique Sample Requirement Detection Limit Principle
AAS Metalloenzymes ppb Absorption of lights at characteristic wavelengths of the free metal ions
ICP-OES (ICP-AES) Metalloenzymes ppb Emission of lights at characteristic wavelengths of the excited atoms and ions
TGA High enzyme loading and thermal stable support % Difference in thermal decomposition temperatures of the enzyme and support