Fibrin 10 fibrin Anticoagulants 8 Fibrinolysis 8 human 8 Anticoagulant activity 6 Fibrin formation 6 Humans 6 Polysaccharides 6 Seaweed 6 anticoagulant agent 6 chemistry 6 controlled study 6 metabolism 6 polysaccharide 6 priority journal 6 scanning electron microscopy 6 seaweed 6 Animals 4 Anticoagulant activities 4 Blood Coagulation 4 Chlorophyta 4 Fibrin network structure 4 Green seaweed 4 Sulfates 4 article 4 drug effects 4 fibrin clot 4 fibrinogen 4 green alga 4