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Table 4 Comparison of non-thiolated and thiolated system

From: Modified thiomer-based nanomedicines in management of ocular complications: a review

(Non-Thiolated) Mucoadhesive Polymer

Thiomer

Attachment by non-covalent connections to mucosal tissues

Strong covalent disulphide linkages bind the thiomer to the mucosa

Display remarkably strong mucoadhesion

Show a remarkable increase in cohesion and adhesion (caused by intra and inter crosslinking)

Several variables, including pH, temperature, and ions, can cause in situ gelation

The pH of the surrounding environment typically initiates the sol–gel transition