Research Article

Immobilization of Urease onto Nanochitosan Enhanced the Enzyme Efficiency: Biophysical Studies and in Vitro Clinical Application on Nephropathy Diabetic Iraqi Patients

Figure 4

SEM images of urease enzyme (a), chitosan NPs particles (b), and immobilized urease-chitosan NPs (c). Scale bars = (a) 50 μm, (b) 200 μm, and (c) 500 nm.
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(b)
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