نتایج جستجو برای: bone matrix gelatin
تعداد نتایج: 665728 فیلتر نتایج به سال:
Application of combining herbal medicine and biomedical material science to nerve regeneration is a new approach. In this study, we describe a novel use of purified genipin, which can be extracted from Gardenia jasminoides Ellis, fixing the gelatin to be an extracellular matrix for peripheral nerve regeneration. A 10-mm gap of rat sciatic nerve was created between the proximal and distal nerve ...
Background :Gelatin and chitosan are known as biodegradable and biocompatible biopolymers.These biopolymers have recently receivedincreasingly more attention for tissueengineering.The aim of this study was to evaluate the toxicity effects of gelatin-chitosan film on bone marrow stromal cell(BMSCs) culture in rat. Materials & Methods: First, gel...
Background Gelatin and chitosan are known as biodegradable and biocompatible biopolymers.These biopolymers have recently receivedincreasingly more attention for tissueengineering.The aim of this study was to evaluate the toxicity effects of gelatin-chitosan film on bone marrow stromal cell(BMSCs) culture in rat. Material & Methods: First, gelat...
Demineralized bone matrix has been successfully commercialized as an alternative bone graft material that not only can function as filler but also as an osteoinductive graft. Numerous studies have confirmed its beneficial use in clinical practice. Heterotopic ossification after internal fixation combined with the use of demineralized bone matrix has not been widely reported. In this paper we de...
Migration of tumor cells is usually assessed as single cell locomotion in vitro using Boyden chamber type assays. In vivo, however, carcinoma cells frequently invade the surrounding tissue as coherent clusters or nests of cells. We have called this type of movement "cohort migration" and developed a two-dimensional in vitro cohort migration model, in which human rectal well-differentiated adeno...
Background & Aim: The use of bone scaffolds is one of the new and efficient techniques for repairing bone defects that provide a suitable platform for cell proliferation and growth to repair the target tissue. One of the most important causes of failure of transplants and surgical procedures is the invasion of bacteria at the site of the complication and the development of severe infection. The...
Fracture nonunion and delayed union continue to pose challenges for orthopedic surgeons. In the present study, we combined HMGB1 gelatin sponges with MSC sheets to promote bone healing after surgical treatment of rat tibial fractures. The HMGB1 gelatin sponge scaffolds supported the expansion of mesenchymal stem cells (MSCs) and promoted the osteogenic differentiation of MSCs and MSC sheets. Le...
This study deals with the effect of gelatin on physical and mechanical properties of calcium phosphate bone cements. The mixture of tetracalcium phosphate (TTCP) and dicalcium phosphate (DCPA) as the cement powder was mixed with 6 wt% Na2HPO4 solution containing different amount (0, 2, 5 and 8% in w/w) of foamed gelatin as liquid phase. The physical properties were determined in the terms of s...
We report a simple, effective and green way for the fabrication of gelatin-graphene-like BN nanocomposites for gas barrier applications. The reinforcement effect of graphene-like BN on the gelatin properties is discussed. The obtained graphene-like BN nanocomposites show good dispersion in the gelatin matrix and remarkable capability to improve the crystallinity and the barrier properties of ge...
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