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FeedNavigator (EU) 11/01/2019 11:38
The objective of this study is to investigate the synergistic effects of acid etching and metal-ion chelation in dental smear layer removal using wasted Ganoderma tsugae derived chitosans. The wasted Ganoderma tsugae fruiting body was used to prepare both acid-soluble fungal chitosan (FCS) and alkali-soluble polysaccharide (ASP). To explore the effective irrigant concentration for smear layer removal, a chelating effect on ferrous ions was conducted. Specimens of various concentrations of EDTA, citric acid, and polysaccharide solutions were reacted with FerroZine™ then the absorbance was examined at 562 nm by a UV-visible spectrophotometer to calculate their metal chelating capability. Twenty extracted premolars were instrumented and indivi.
FeedNavigator (EU) 10/28/2019 11:38
Soluble forms of vascular adhesion molecules, ICAM-1 and VCAM-1, accelerate atherosclerosis pathogenesis. The present study was conducted to evaluate the effect of daily supplementation of 3 g cinnamon on the plasma levels of ICAM-1 and VCAM-1 among patients with type 2 diabetes. This randomized double-blind placebo-controlled trial was performed on 44 adult patients with type 2 diabetes aged 25–70 years. The patients were randomized to two groups of intervention (n = 22) and control (n = 22), differing by daily cinnamon supplementation or placebo (3 g) for 8 weeks. Plasma levels of ICAM-1 and VCAM-1 were measured at the beginning and end of the study. After 8 weeks, 39 subjects (n = 20 in the cinnamon and n = 19 in the placebo groups) comp.
FeedNavigator (EU) 10/24/2019 07:37
Impaired growth factor production, angiogenic response, macrophage function, and collagen accumulation have been shown to delay wound healing. Delayed wound healing is a debilitating complication of diabetes that leads to significant morbidity. In this study, curcumin and Lithospermi radix (LR) extract, which are used in traditional Chinese herbal medicine, were added within nanofibrous membranes to improve wound healing in a streptozotocin (STZ)-induced diabetic rat model. Gelatin-based nanofibers, which were constructed with curcumin and LR extract at a flow rate of 0.1 mL/hour and an applied voltage of 20 kV, were electrospun onto chitosan scaffolds to produce bilayer nanofibrous scaffolds (GC/L/C). The wounds treated with GC/L/C exhibit.
FeedNavigator (EU) 10/18/2019 10:22
Chitosan-sugar derivatives demonstrate some useful biology activities (for example anti-oxidant and anti-microbial activities). In this study, water-soluble chitosan–glucose derivatives (WSCGDs) were produced from a water-soluble chitosan hydrochloride (WSC) with 12.5 kDa of molecular weight and 24.05% of degree of acetylation (DA) via Maillard reaction with the heating temperatures of 100 °C and 121 °C. The Maillard reaction between WSC and glucose was investigated by measuring the absorbances at 420 nm and 294 nm, indicating that the reaction took place more effectively at 121 °C. All WSCGDs exhibited higher anti-oxidant activity than WSC, in which WSCGDs obtained at the treatment 121 °C for 2 h, 3 h, and 4 h expressed the highest ability.
FeedNavigator (EU) 10/05/2019 06:07
After having pre-adsorbed human plasma proteins on a machined and microrough titanium surface, MC3T3-E1 osteoblasts adhesion was evaluated through crystal violet cell adhesion assay, immunofluorescence staining for cytoskeleton, focal adhesions and cell nuclei, and scanning electron microscopy.

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