Results 91 to 100 of about 2,712,102 (401)

Bioinspired Bromination Enables Extensible, Strain‐Stiffening Resilin Peptide Scaffolds with Tunable Degradation

Advanced Functional Materials, EarlyView.
Bioinspired bromination of a resilin‐derived peptide enables the fabrication of electrospun nanofibrous scaffolds that uniquely combine strain‐stiffening elasticity, proteolytic stability, and antioxidant functionality. These brominated peptide–gelatin hybrids mimic the extensibility of natural elastomers, demonstrating tunable mechanical resilience ...
Elisa Marelli, Lorenzo Sori, Chiara Russo, Claudia Pigliacelli, Lorenza Draghi, Monica Soncini, Pierangelo Metrangolo   +6 more
wiley   +1 more source

Análise do estudo anatomopatológico de pacientes submetidos a cirurgia valvar no InCór - HC FMUSP Anatomopathological study of patients submitted to valvar surgery at InCór-HC FMUSP

Brazilian Journal of Cardiovascular Surgery, 1992
Das 44 necropsias realizadas em pacientes submetidos a cirurgia valvar no ano de 1990 no InCór, foram encontradas como causas clínicas de óbito nos pacientes mitrais: coagulopatia e sangramento em 11 casos; baixo débito em 7; choque cardiogênico em 5 ...
Hélio A Fabri, Pablo M. A Pomerantzeff, Ana Cristina M Monteiro, Paulo Gutierrez, Raimunda Violante, José Otávio C Auler Júnior, Max Grinberg, Geraldo Verginelli, Adib D Jatene   +8 more
doaj  

Mechanistic Insights into Bioprosthetic Heart Valve Calcification and Anti-Calcification Strategies

Reviews in Cardiovascular Medicine
Prosthetic heart valves are crucial for treating valvular heart disease and serve as substitutes for native valves. Bioprosthetic heart valves (BHVs) are currently the most common type used in clinical practice.
Yuxiao Yang, Limin Lan, Yi Lin
doaj   +1 more source

Spatially Tailorable Liquid Crystalline Elastomer Alignment During Digital Light Process 3D Printing

Advanced Functional Materials, EarlyView.
Here, we report the fabrication of 3D printable liquid crystalline elastomer (LCE) structures with spatially tailorable alignment domains within the same layer. This work addresses the long‐standing challenge of preparing complex 3D LCE architectures with patterned functional domains to achieve nonlinear deformations. Fabrication of multi‐domains in 3D
Adam Bischoff, Saman Jamshididana, Zach Miller, Kassandra Hernandez, Nicolas Gonsalves, Andre Olarra, Elliot Yoo, Jeremy A. Herman, Devin J. Roach   +8 more
wiley   +1 more source

Cirurgia valvar em crianças e jovens: resultados de 131 casos Heart valve surgery in children and adolescents

Brazilian Journal of Cardiovascular Surgery, 1990
No período de janeiro de 1983 a dezembro de 1988, 131 pacientes, com idade igual ou inferior a 15 anos, foram submetidos a cirurgia valvar, 74 (56%) de etiologia adquirida e 57 (44%) de etiologia congênita.
Luís Roberto Gerola, Pablo M. A Pomerantzeff, Paulo M Pêgo-Fernandes, Noedir A. G Stolf, Miguel Barbero-Marcial, Munir Ebaid, Rachel Snitcowsky, Max Grinberg, Geraldo Verginelli, Adib D Jatene   +9 more
doaj  

Relationship between Calcium, Phosphorous and Parathoromone with Calcification of Heart Valves In Dialyzed Patients In Qom, 1385-1386 [PDF]

Majallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2008
Background and ObjectivesMetastatic calcification is usually found in patients with chronic renal failure and hemodialyzed patients. Heart calcification becomes worse in hemodialyzed patients due to several factors.
S.M. Mousavi Movahed, Y. Tabaraie, K.H. Alipour Nodoushan, M. Zakarianejad   +3 more
doaj  

Application of a strong FSI coupling scheme for the numerical simulation of bileaflet mechanical heart valve dynamics: study of wall shear stress on the valve leaflets [PDF]

, 2012
One of the major challenges in the design of Bileaflet Mechanical Heart Valves (BMHVs) is reduction of the blood damage generated by non-physiological blood flow.
Annerel, Sebastiaan, Claessens, Tom, Dahl, Sigrid Kaarstad, Degroote, Joris, Hellevik, Leif Rune, Segers, Patrick, Skallerud, Bjorn, Van Ransbeeck, Peter, Verdonck, Pascal, Vierendeels, Jan   +9 more
core   +1 more source

Chiral Nanohoops as an Efficient Spin Polarization System

Advanced Functional Materials, EarlyView.
Chiral conjugated nanohoops with a central dibenzopentalene unit exhibit 90% spin polarization at low voltage and high conductivity. These properties make them ideal components in molecular spintronics applications. Abstract A central challenge in molecular spintronics is to achieve a high spin polarization at low operating voltages and ambient ...
Anu Gupta, Philipp Seitz, Mathias Hermann, Birgit Esser, Ron Naaman   +4 more
wiley   +1 more source

Using Long‐Chain Polymechanophores to Explore the Differences in Mechanoactivation During Nozzle Flow and Ultrasonication

Advanced Functional Materials, EarlyView.
Flow through a nozzle is a common component of most fluid‐based polymer processing techniques such as spray drying, inkjet printing, extrusion. An ultrahigh molecular weight multi‐mechanophore system is used to probe the differences in the distribution of mechanical activation observed between nozzle flow and ultrasonication; the gold standard ...
Niamh Willis‐Fox, Maggie Horst, Etienne Rognin, Yan Xia, Ronan Daly   +4 more
wiley   +1 more source

Anatomia da valva atrioventricular esquerda: I. As cúspides Anatomy of the left atrio-ventricular valve: I. The cusps

Brazilian Journal of Cardiovascular Surgery, 1988
Os resultados de um estudo anatômico da valva atrioventricular esquerda, realizado em 30 corações aparentemente normais, conservados em formalina, são comparados aos dados da literatura, tendo por objetivo adequar a nomenclatura e os conceitos anatômicos
Antônio B. Prado Fortuna, Gilson Barreto, Armando Mâncio de Camargo   +2 more
doaj