By Nicholas Spencer
Guy lubricates normally with oil. Nature lubricates completely with water. natural water is a terrible lubricant, however the addition of proteins, particularly glycoproteins, can regulate surfaces to lead them to way more lubricating at gradual speeds. realizing how nature does this, and the actual constructions concerned, isn't just vital for the certainty of ailments corresponding to osteoarthritis, but additionally crucial for the profitable software of articulating implants, corresponding to hips and knees, in addition to the advance of clinical units akin to catheters and call lenses. a number of significant functions of water-based lubrication are already in position within the own care and nutrition industries, and extra business purposes of water-based lubrication may have an important optimistic effect at the atmosphere.
This publication is the 1st of its style. It brings jointly the newest learn in organic and biomimetic, water-based lubrication and is authored by way of the world's specialists within the box.
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Extra info for Aqueous Lubrication : Natural and Biomimetic Approaches
31). 4 (IEP of nanogel particle is ca. pH 4), and increased under more neutral or acidic conditions (see Fig. 5(b)). e. adhesive forces, but signiﬁcantly diﬀerent in “pull-oﬀ lengths”. At pH 2, the adhesive interaction is short ranged, whereas at pH 8, the interaction is much longer ranged, supporting the argument February 20, 2014 8:57 9in x 6in Aqueous Lubrication Interfacial Forces of Mucin and Mucus Gels b1709-ch02 45 that the diﬀerence is caused by the inclusion of entanglement (pH 8) or not (pH 2), respectively (see Fig.
Cajori, R. Pemberton, The chemical composition of synovial ﬂuid in cases of joint eﬀusion. J Biol Chem 76(2), 471–480 (1928). 7. V. C. Hascall, T. C. Laurent, Hyaluronan: Structure and Physical Properties. html 8. C. M¨ orner, Chemische Studien u ¨ber den Trachealknorpel. Skand Arch Physiol 1, 210 (1889). 9. W. Winter, Articles on the quantative composition of cartilage tissue. In Biochemische Zeitschrift Vol. 246, pp 10–28 1932. 10. K. Harpuder, Physical-chemical testings on the normal cartilage.
Murakami, H. Higaki, Y. Sawae, N. Ohtsuki, S. Moriyama, Y. Nakanishi, Adaptive multimode lubrication in natural synovial joints and artiﬁcial joints. P I Mech Eng H 212(H1), 23–35 (1998). 77. J. Hou, V. Mow, W. Lai, M. Holmes, An analysis of the squeeze-ﬁlm lubrication mechanism for articular-cartilage. J Biomech 25(3), 247–259 (1992). 78. G. Ateshian, The role of interstitial ﬂuid pressurization in articular cartilage lubrication. J Biomech 42(9), 1163–1176 (2009). 79. U. Raviv, S. Giasson, N.