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| http://dx.doi.org/10.1111/padr.12095 | DOI Listing |
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Who freezes her eggs and why? psychological predictors, reasons, and outcomes of social egg freezing.
Reprod Biol Endocrinol
January 2025
Department of Clinical Psychology and Psychotherapy, University of Zurich, Binzmühlestrasse 14, Zurich, 8050, Switzerland.
Background: Despite the growing use of social egg freezing (SEF), research focusing on its psychological aspects is lacking. This study aimed to investigate possible psychological predictors, reasons, and outcomes of SEF in German-speaking countries.
Methods: The cross-sectional study included 1,131 women (average age 31 years) who had never used medical egg freezing.
Transcatheter Bailout: An Important Option During Complex Aortic Surgery.
Ann Thorac Surg Short Rep
December 2024
Division of Adult Cardiothoracic Surgery, Department of Surgery, University of California, San Francisco, San Francisco, California.
This report presents the case of a 66-year-old man with acute torrential aortic insufficiency after a Ross procedure 20 years earlier, a biologic aortic valve replacement 16 years earlier, and a transcatheter valve-in-valve 4 years earlier. He underwent third-time sternotomy, revealing that the pulmonary autograft was heavily calcified and frozen to the homograft. The previous transcatheter valve-in-valve was explanted.
View Article and Find Full Text PDFFreeze-Cast Composites of Alginate/Pyrophosphate-Stabilized Amorphous Calcium Carbonate: From the Nanoscale Structuration to the Macroscopic Properties.
ACS Biomater Sci Eng
January 2025
CIRIMAT, Toulouse INP, Université Toulouse 3 Paul Sabatier, CNRS, Université de Toulouse, ENSIACET, 4 allée Emile Monso, Toulouse 31030, France.
Pyrophosphate-stabilized amorphous calcium carbonates (PyACC) are promising compounds for bone repair due to their ability to release calcium, carbonate, and phosphate ions following pyrophosphate hydrolysis. However, shaping these metastable and brittle materials using conventional methods remains a challenge, especially in the form of macroporous scaffolds, yet essential to promote cell colonization. To overcome these limitations, this article describes for the first time the design and multiscale characterization of freeze-cast alginate (Alg)-PyACC nanocomposite scaffolds.
View Article and Find Full Text PDFHighlighting Free-Recovery and Work-Generating Shape Memory Effects at 80r-PET Thermoformed Cups.
Polymers (Basel)
December 2024
Faculty of Materials Science and Engineering, "Gheorghe Asachi" Technical University of Iași, Blvd. Dimitrie Mangeron 71A, 700050 Iasi, Romania.
The paper starts by describing the manufacturing process of cups thermoformed from extruded foils of 80% recycled PET (80r-PET), which comprises heating, hot deep drawing and cooling. The 80r-PET foils were heated up to 120 °C, at heating rates of the order of hundreds °C/min, and deep drawn with multiple punchers, having a depth-to-width ratio exceeding 1:1. After puncher-assisted deformation, the cups were air blown away from the punchers, thus being "frozen" in the deformed state.
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