Browsing by Subject "Aging"
Now showing items 21-40 of 49
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Dynamics of multimorbidity and frailty, and their contribution to mortality, nursing home and home care need: A primary care cohort of 1 456 052 ageing people
(2022-10-01)
Article
Open AccessBackground: Prevalence of both multimorbidity and frailty increases with age, but more evidence is needed to elucidate their relationship and their association with other health-related outcomes. We analysed the dynamics ... -
Effect of aging on the fracture characteristics and brittleness of a high-strength concrete
(Elsevier, 1998)
Article
Open AccessResults of notched beam (fracture) tests on a 60 MPa silica fume concrete at the ages of 4, 10, 31 and 232 days are presented. Fracture parameters at the different ages were obtained using the size effect and cohesive ... -
Effect of an 18-month meditation training on telomeres in older adults: a secondary analysis of the Age-Well randomized controlled trial
(2025-01)
Article
Open AccessBackground Shorter telomeres are associated with increased risk of cognitive decline and age-related diseases. Developing interventions to promote healthy aging by preserving telomere integrity is of paramount importance. ... -
Effect of filler on the aging potential of asphalt mixtures
(National Academy of Sciences, 2005)
Article
Open AccessIn this work the effect filler has on the aging of bitumen is analyzed, but incorporating the filler in volume and not in weight. The UCL method is used as the process of accelerated aging and new direct tensile test is ... -
Effect of physical aging and cyclic loading on power-law creep of high-entropy metallic glass
(2022-07-10)
Article
Open AccessThe power-law relationship between creep rate decay and time is one of the intrinsic characteristics of metallic glasses. In the current work, a La30Ce30Ni10Al20Co10 high-entropy metallic glass was selected as the model ... -
Effects and mechanisms of cognitive, aerobic exercise, and combined training on cognition, health, and brain outcomes in physically inactive older adults: the projecte moviment protocol
(2019-08-14)
Article
Open AccessAge-related health, brain, and cognitive impairment is a great challenge in current society. Cognitive training, aerobic exercise and their combination have been shown to benefit health, brain, cognition and psychological ... -
Effects of aging on the biomechanical properties of the lung extracellular matrix: dependence on tissular stretch
(Frontiers Media SA, 2024-04-05)
Article
Open AccessIntroduction: Aging induces functional and structural changes in the lung, characterized by a decline in elasticity and diminished pulmonary remodeling and regenerative capacity. Emerging evidence suggests that most ... -
Effects of strain aging in NiTi SMA wire for dampers
(Elsevier, 2015)
Article
Open AccessThe thermo-mechanical properties of Shape Memory Alloys (SMA) as smart materials suggest their application as actuators, but also as dampers, thanks to the high damping properties during the hysteresis of the thermo-elastic ... -
Étude du vieillissement sous UV des résines époxydes pour la restauration d’objets archéologiques en verre
(Universitat Politècnica de Catalunya, 2020-07-07)
Bachelor thesis
Restricted access - confidentiality agreement -
High sensitivity temperature measurements to track and Ccompensate aging effects on CMOS amplifiers
(2024)
Article
Open AccessThis article presents a method to monitor and compensate gain degradation produced by aging in linear CMOS amplifiers. The proposed procedure relies on a stand-alone temperature sensor circuit. DC measurements at the output ... -
La proteïna fotoreceptora melanopsina i la seva implicació en la regulació dels ritmes circadians i el son
(Universitat Politècnica de Catalunya, 2019-10-24)
Bachelor thesis
Open AccessLa melanopsina és una proteïna d'un tipus específic de cèl·lules ganglionars de la retina que és activada per la llum i té un paper rellevant en el rellotge biològic que regula els ritmes circadians i el son.Treball ... -
Low temperature degradation of laser patterned 3Y-TZP: enhancement of resistance after thermal treatment
(Elsevier, 2018-04)
Article
Open AccessThe aim of this study is to characterize the resistance to low temperature degradation (LTD) of the surface of dental-grade zirconia (3Y-TZP) patterned with a Nd:YAG laser (532. nm harmonic and pulse duration of 10. ns) ... -
Mechanical properties of ceria-calcia stabilized zirconia ceramics with alumina additions
(Elsevier, 2021-09)
Article
Open AccessCeria-stabilized zirconia-based composites have been developed aiming to obtain ceramic materials with enhanced hardness, strength, fracture toughness, and resistance to low temperature degradation. These composites are ... -
Modelling of lithium batteries to determine their ageing
(Universitat Politècnica de Catalunya, 2021-02-01)
Bachelor thesis
Open AccessAquest estudi s’enfoca en el processament de dades de dispositius mòbils amb bateries de liti per determinar indicadors del seu envelliment i degradació. Les dades utilitzades a l'estudi van ser obtingudes d'una manera ... -
MOSFET degradation dependence on input signal power in a RF power amplifier
(2017-06-25)
Article
Open AccessAging produced by RF stress is experimentally analyzed on a RF CMOS power amplifier (PA), as a function of the stress power level. The selected circuit topology allows observing individual NMOS and PMOS transistors ... -
Neuroimaging of an attention demanding dual-task during dynamic postural control
(2017-09)
Article
Restricted access - publisher's policyCognitive tasks impact postural control when performed concurrently as dual-tasks. This is presumed to result from capacity limitations in relevant brain regions. We used functional near-infrared spectroscopy (fNIRS) to ... -
New approach to characterize cracking resistance of asphalt binders
(2018-03)
Article
Open AccessAsphalt binder characterization is a complex and difficult task due to its rheological behaviour. Indeed it has been traditionally realized by means of simple tests at an established temperature. An added challenge is that ... -
New methodology to estimate the fatigue behavior of bituminous mixtures using a strain sweep test
(2017-03)
Article
Open AccessFatigue cracking of bituminous mixtures is closely related to the loss of ductility produced by the stiffening of the bituminous binder. The main two factors that cause the asphalt binder to lose its ductility are aging ... -
POS1 - Prediction of Thermally Accelerated Aging Process at 28nm
(2022-05)
Conference report
Restricted access - publisher's policyWe introduce a methodology to predict degradation in an SoC device undergoing a thermally accelerated aging process. SoCs are usually stressed at high temperatures and voltages (above nominal) to accelerate their aging ... -
Puesta en funcionamiento y test de baterías con el equipamiento emulador del laboratorio E3PACS
(Universitat Politècnica de Catalunya, 2021-05-27)
Bachelor thesis
Open AccessEl present treball té com a principal objectiu conèixer el V2G, saber en quins entorns podria exercir una funció com a suport a la producció o estabilització d'energia elèctrica, i si aquestes labors que pogués exercir ...
