نتایج جستجو برای: adhesive gel
تعداد نتایج: 127696 فیلتر نتایج به سال:
Fibrin sealants are a type of soft tissue adhesive that employs biochemical reactions from the late stages of the blood coagulation cascade. Intrinsic to these adhesives are a structural protein and a transglutaminase crosslinking enzyme. We are investigating an alternative biomimetic adhesive based on gelatin and a calcium-independent microbial transglutaminase (mTG). Rheological measurements ...
Strategies for spinal cord injury repair are limited, in part, by poor drug delivery techniques. A novel drug delivery system (DDS) is being developed in our laboratory that can provide localized release of growth factors from an injectable gel. The gel must be fast-gelling, non-cell adhesive, degradable, and biocompatible as an injectable intrathecal DDS. A gel that meets these design criteria...
The treatment of diseased vasculature remains challenging, in part because of the difficulty in implanting drug-eluting devices without subjecting vessels to damaging mechanical forces. Implanting materials using adhesive forces could overcome this challenge, but materials have previously not been shown to durably adhere to intact endothelium under blood flow. Marine mussels secrete strong unde...
Introduction: Bleaching of discolored tooth may affect the tooth/composite interface. The aim of this study was to evaluate the effect of different concentrations of carbamide peroxide (CP) on the marginal seal of composite restorations bonded with a self-etch adhesive. Materials and Methods: In this experimental study Class V cavities were prepared on the buccal and lingual surfaces o...
This in vitro study evaluated the tensile bond strength of glass fiber posts (Reforpost - Angelus-Brazil) cemented to root dentin with a resin cement (RelyX ARC - 3M/ESPE) associated with two different adhesive systems (Adper Single Bond - 3M/ESPE and Adper Scotchbond Multi Purpose (MP) Plus - 3M/ESPE), using the pull-out test. Twenty single-rooted human teeth with standardized root canals were...
Many marine invertebrates form strong, temporary attachments using viscoelastic gels. To better understand these adhesives, an analysis of what is known of gel structure and function was performed. There are different ways of making gels, ranging from entangling of giant glycoproteins to crosslinking of smaller proteins. The mechanics of the gel depend largely on the size of the polymer, its co...
Autologous platelet gel is now being used in many surgical specialties. It is appropriate for use in plastic surgery procedures that entail a significant risk of hematoma, such as breast surgery, face lifts, nasal surgery, and skin grafting. Advantages include adhesive benefits, a reduction in risk of bleeding, and the added bonus of increased leukocyte concentration. (Aesthetic Surg J 2001;21:...
The influence of collagen gels on the orientation of the polarity of epithelial thyroid cells in culture was studied under four different conditions. (a) Isolated cells cultured on the surface of a collagen gel formed a monolayer. The apical pole was in contact with the culture medium and the basal membrane was attached to the substratum. (b) Isolated cells embedded inside the gel organized wit...
Adhesive bonding is becoming increasingly common in civil infrastructure construction due to the increased use of advanced composites. Due large scale structures and their application outdoor settings, conditions during adhesive curing are substantially different from those other industries. However, little information exists on commonly used adhesives applications making design such adhesive-b...
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