A method for testing compressive properties of single proteoglycan aggregates.
This study presents a method for direct measurement of the compressive properties of single molecules of proteoglycan aggregate using a state-of-the-art laser tweezers/interferometer system previously developed to test the tensile properties of single molecules. A typical molecule of proteoglycan aggregate showed a highly non-linear resistance to compression after being compressed to about 25% of its original molecule length.
Liu
Xuhui
X
Sport Medicine Research Center, Department of Orthopedic Surgery, Baylor College of Medicine, Houston, TX 77030-2730, USA.
Noble
Philip C
PC
Luo
Zong-Ping
ZP
D019245:Compressive Strength; D007834:Lasers; D046911:Macromolecular Substances; D008857:Microscopy, Interference / Q000379:methods*; D011509:Proteoglycans / Q000737:chemistry* / Q000378:metabolism
D046911:Macromolecular Substances; D011509:Proteoglycans