agarose article 14 priority journal 12 nonhuman 8 polysaccharide 8 Nuclear magnetic resonance spectroscopy 6 Polysaccharides 6 Seaweed 6 Sepharose 6 carbon nuclear magnetic resonance 6 structure analysis 6 Agarose 4 Biopolymers 4 Magnetic Resonance Spectroscopy 4 Mass spectrometry 4 Molecular Weight 4 Molecular weight 4 Polysiphonia nigrescens 4 Rhodophyta 4 Sulfated galactans 4 Viscosity 4 drug isolation 4 extraction 4 methylation 4 molecular weight 4 nuclear magnetic resonance 4 proton nuclear magnetic resonance 4 red alga 4 room temperature 4 seaweed 4