Elastin-mimetic protein polymers capable of physical and chemical crosslinking. (1/401)

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Fatigue resistance and structural integrity of different types of fiber posts. (2/401)

The study aimed at assessing and estimating the fatigue resistance of different fiber posts and to observe their ultrastructures through SEM. Six types of fiber posts were used: GC Fiber Post (Group 1), ParaPost Fiber White (Group 2), FibreKor (Group 3), DT Light-Post radiopaque (Group 4), FRC Postec (Group 5), and Luscent Anchors (Group 6). Ten out of 15 posts within each group were used for the fatigue test, and the other five were processed for SEM evaluation. The fatigue test revealed that Groups 1, 4, and 5 performed better than all the other groups, and that their performance differed significantly from the other tested groups from a statistical standpoint. For SEM analysis, Groups 1, 4, and 5 also obtained better results. Through correlation analysis, an absence of correlation between fatigue resistance and structural characteristics suggested that the latter reflected more of the divergence inherent in the manufacturing process of fiber posts.  (+info)

Effects of top excision on the potassium accumulation and expression of potassium channel genes in tobacco. (3/401)

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Simultaneous measurement of nucleotide occupancy and mechanical displacement in myosin-V, a processive molecular motor. (4/401)

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Chain dimensions and fluctuations in elastomeric networks in which the junctions alternate regularly in their functionality. (5/401)

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Biophysical properties of membrane lipids of anammox bacteria: I. Ladderane phospholipids form highly organized fluid membranes. (6/401)

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Biosensor-based label-free assays of amyloid growth. (7/401)

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Glass rheology: From mode-coupling theory to a dynamical yield criterion. (8/401)

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