Abstract：
:Biocompatible polymers are commonly used to fabricate microfluidic channels for the study of biological flows such as blood microflows. The most common of these materials is polydimethylsiloxane (PDMS) which is very hydrophobic. Oxygenated plasma is advocated to treat the PDMS with reported decreases in contact angle i.e. increase the hydrophilicity of the material in order to make the liquid flow easily. All contact angle studies have been reported with water. Here the contact angles of blood suspensions, in saline and native plasma, are compared to each other and water on common microfluidic chip materials. The hydrophilic effect of plasma-treatment on PDMS is not found to be as significant with blood suspensions as it is with water. Red blood cells suspended in native plasma are found to have a greater contact angle than those suspended in saline.
journal_name
J Mech Behav Biomed Materauthors
Pitts KL,Abu-Mallouh S,Fenech Mdoi
10.1016/j.jmbbm.2012.07.007subject
Has Abstractpub_date
2013-01-01 00:00:00pages
333-6eissn
1751-6161issn
1878-0180pii
S1751-6161(12)00202-0journal_volume
17pub_type
杂志文章abstract：OBJECTIVES:The causes of in vivo fractures of all-ceramic dental crowns are not yet fully understood. The fracture origins often occur in the cervical margin in the approximal area, but the reason for this is unclear. The aim of this study was to evaluate the fracture origin of 22 of clinically-failed alumina crowns. ...
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pub_type： 杂志文章,评审
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