ABS—Acetate Buffer Solution

CH3COOH—Acetic acid

CS—Chitosan

DEE—Drug Encapsulation Efficiency

DS—Degree of substitution

Eq.—Equation

FTIR—Fourier Transform Infrared Spectroscopy

GA—Glutaraldehyde

GlcN—2-amino-2-deoxy-β-d-glucopyranosyl

GlcNAc—2-acetamido-2-deoxy-β-d-glucopyranosyl

LEV—Levofloxacin

CPH—Chitosan particulate hydrogels

NMR—Nuclear Magnetic Resonance

PBS—Phosphate buffer solution

PEG—Poly (ethylene glycol)

PEGMA—Poly (ethylene glycol) methacrylate

PEGA—Poly (ethylene glycol) methyl ether acrylate

CS-PEGA–Chitosan grafted poly (ethylene glycol) methyl ether acrylate

RBC—Red blood cells

RT—Room temperature

SEM—Scanning Electron Microscope

Span 80—Nonionic surfactant

TGA—Thermo Gravimetric Analysis

Tween 80—Nonionic Surfactant

TPP—Sodium tripolyphosphate