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The non‐stick properties of thin‐film coatings on dental‐restorative instruments were investigated by static contact‐angle measurement using dental filler resin as well as by scanning electron microscopy of the amount of sticking dental restorative material. Furthermore, using a customized dipping measurement set‐up, non‐stick properties were evaluated by measuring force‐by‐time when the instrument...
This article discusses the use of pedagogical models and pen-based information and communication technologies (ICTs) as means of designing mobile teaching, studying, and learning (TSL) environments. The specific goal of this case study was to test the educational benefits and usability of the Web-Trace software application, and of a mobile tablet PC with the digital pen. The particular focus of the...
Gold sodium thiomalate, a drug used widely in the therapy of rheumatoid arthritis, was found to be an activator of latent human polymorphonuclear leukocyte collagenase. The activation was demonstrated by two distinct and independent collagenase assays: (i) by recording with a spectrophotometer at 227 nm the enzyme-induced increase in ultraviolet difference absorbance of native type I collagen connected...
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