The recently reported Pronounced decrease in shear strength of serpentine-bearing rocks at 30 to 40 kilobars in the temperature range 300 degrees to 520 degrees C may be attributed to the transformation of serpentine to a Pressure-dependent, 10-angstrom,2: 1 layer silicate plus brucite and periclase. This reaction increases density by about 8.5 percent.
Download full-text PDF |
Source |
---|---|
http://dx.doi.org/10.1126/science.153.3741.1285 | DOI Listing |
Food Chem X
January 2025
School of Food Science and Engineering, Shaanxi University of Science and Technology, Xi'an 710021, China.
3D printing offers a promising solution for the increasing demand for visually appealing dysphagia diets. Xanthan gum (XG) is a critical component in various thickeners specialized for dysphagia diets, in which pyruvate group is important, but relative study remains scarce. This study tried to create 3D printed dysphagia diet using composite gels of pea protein (PPI) and XG with various pyruvate content (XG: 5.
View Article and Find Full Text PDFBMC Oral Health
January 2025
Faculty of Dentistry, Department of Restorative Dentistry, Gazi University, Bişkek St. 1. St. Number: 8 Emek, Ankara, Turkey.
Background: Repairing composite resins is a less invasive alternative to complete restoration replacement. To achieve a successful bond between the existing and newly applied composite materials, various surface preparation methods, such as sandblasting and acid etching, have been explored. The aim of the study was to evaluate the effect of different surface treatments on the repair bond strength of a universal nanohybrid composite resin restorative material before and after thermal aging, by utilizing a micro-shear bond strength (µSBS) test.
View Article and Find Full Text PDFCarbohydr Polym
March 2025
Microcellular Plastics Manufacturing Laboratory, Department of Mechanical and Industrial Engineering, University of Toronto, 5 King's College Road, Toronto, Ontario M5S 3G8, Canada. Electronic address:
This study focuses on the fabrication of 3D-printed chitosan/TiCT-MXene aerogels with varying MXene concentrations (1, 2, 5, and 10 wt%) using the direct ink writing (DIW) method. The inks were freeze-dried to form aerogels, and FTIR and XRD analyses confirmed interactions between chitosan and MXene molecules, leading to increased spacing between MXene nanosheets. Rheological testing showed improved shear-thinning behavior, enhancing printability.
View Article and Find Full Text PDFCarbohydr Polym
March 2025
School of Materials Science and Engineering, Nanjing University of Science & Technology, Nanjing 210094, PR China. Electronic address:
The high-dynamic, high-loading environment in the joint cavity puts urgent demands on the cartilage regenerative materials with shear responsiveness and lubrication. Here, a new type of injectable hydrogel composed of oxidized hyaluronic acid (OHA), adipic dihydrazide-grafted hyaluronic acid (HA-ADH), oxidized chondroitin sulfate (OChs), and decellularized extracellular matrix methacrylate (dECMMA) was fabricated. The aldehyde groups in OHA and OChs reacted with the amino groups in HA-ADH to form a dynamic hydrogel, which was then covalently crosslinked with dECMMA to create a dual-crosslinked hydrogel with sufficient mechanical strength.
View Article and Find Full Text PDFQuant Imaging Med Surg
January 2025
Department of Ultrasonic Diagnosis, The First Hospital of China Medical University, Shenyang, China.
Background: Patients with essential hypertension have a high risk of muscle mass and strength decline. Ultrasound is a promising method for assessing sarcopenia. This study aimed to analyze the correlation between ultrasound and shear-wave elastography (SWE) features, and muscle mass, muscle strength, and physical performance, and to assess the clinical applicability of ultrasound in the diagnosis of sarcopenia in patients with essential hypertension.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!