Topic
Sessile drop technique
About: Sessile drop technique is a research topic. Over the lifetime, 2827 publications have been published within this topic receiving 68943 citations.
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TL;DR: In this paper, the use of the remote plasma (postdischarge) of argon and argon-nitrogen microwave plasmas for cleaning and activating the surface of metallic commercial aluminum samples has been studied.
34 citations
TL;DR: Amorphous hydrogenated carbon (a-C:H) films with high water-repellency were prepared on Si substrates by a simple heat-treatment of the poly(phenylcarbyne) polymer at various temperature in Ar atmosphere as discussed by the authors.
34 citations
TL;DR: In this article, the effect of substrate orientation on sessile drop was studied in two systems: the first is a Cu-Ti alloy on {alpha}-monocrystalline alumina, and the second is pure Al on carbon.
34 citations
15 May 1999
TL;DR: An original cumulative deposits method (CDM) is described here, which permits observation of the evolution of the wettability and allows estimation of the protein adhesion rate and proposes to adopt a BSA buffered solution as a referential sensor to characterize solid surfaces.
Abstract: Wetting experiments are carried out for the investigation of the interfacial interactions that take place when various solid materials are in contact with protein colloidal solutions. These materials are chosen because they are widely used in the field of orthopedic surgery. Contact angles (sessile drop) and surface tension (du Nouy's ring method) are measured in standardized conditions which take into account the various parameters disturbing wetting phenomena. An original cumulative deposits method (CDM) described here permits observation of the evolution of the wettability and allows estimation of the protein adhesion rate. Two families of materials emerge according to their behavior when they are in contact with the protein solution. One set (a chromium cobalt alloy and two polyethylenes) presents no detectable adhesion. The other set (stainless steel, zirconia, alumina, virgin and nitrogen implanted titanium alloy) shows a cumulative adhesion of proteins. We propose to adopt a BSA buffered solution as a referential sensor to characterize solid surfaces. From the CDM, the practical parameter P *, called the adhesive wettability power, can be used in order to analyze and classify biomaterials.
34 citations
TL;DR: In this article, the laser-matter interaction mechanisms and effects on metallic materials for different surfaces initial roughness and laser beam energy densities are investigated by SEM observations, roughness characterization and wettability measurements.
34 citations