Results 91 to 100 of about 6,803 (197)

Commuting by bicycle (vs. by car) is associated with improved aerobic power, microvascular function and diminished CO2 output in the atmosphere

open access: yesExperimental Physiology, Volume 111, Issue 3, Page 834-848, 1 March 2026.
Abstract The study investigated whether bicycle compared with car commuting, over relatively small distances, has positive effects on physiological variables, cardiometabolic fitness and CO2 output in the atmosphere. Bike Commuters (11 M, 15 F; age [median value (interquartile range)] 51.5 (38.3–56.8) years; body mass index [BMI] 22.8 (21.0–24.1) kg m ...
Caterina Ursella   +11 more
wiley   +1 more source

Flavor-changing phenomenology in a U(1) model

open access: yesEuropean Physical Journal C: Particles and Fields
We study family-nonuniversal extensions of the SM, based upon gauge symmetry $$SU(3)_C \otimes SU(2)_L \otimes U(1)_X \otimes U(1)_N$$ S U ( 3 ) C ⊗ S U ( 2 ) L ⊗ U ( 1 ) X ⊗ U ( 1 ) N , where the last two factors determine the hypercharge, $$Y=X+N$$ Y =
N. T. Duy   +3 more
doaj   +1 more source

Persistence of fatigue in the absence of pathophysiological mechanisms in some patients more than 2 years after the original SARS‐CoV‐2 infection

open access: yesExperimental Physiology, Volume 111, Issue 3, Page 1413-1428, 1 March 2026.
Abstract Following an acute infection with severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), a substantial percentage of patients report the persistence of debilitating symptoms, often grouped in a syndrome termed ‘long COVID’. We sought to identify potential pathophysiological mechanisms responsible for the persistence, in some long COVID ...
Giovanni Baldassarre   +10 more
wiley   +1 more source

A new method for non‐invasive determination of effective pulmonary blood flow and cardiac output in spontaneously breathing subjects

open access: yesExperimental Physiology, Volume 111, Issue 3, Page 608-613, 1 March 2026.
Abstract The differential Fick method is well established for measuring effective pulmonary blood flow (EPBF) and cardiac output (CO) but until now it has only been used for patients on mechanical ventilation. Here we present and evaluate a new approach adapted to spontaneous breathing situations.
Andras Gedeon   +3 more
wiley   +1 more source

Acute ketone monoester ingestion lowers resting cerebral blood flow: a randomized cross‐over trial

open access: yesThe Journal of Physiology, Volume 604, Issue 6, Page 2525-2541, 15 March 2026.
Abstract figure legend This double‐blind, placebo‐controlled, randomized cross‐over trial investigated the effects of ketone monoester (KME) ingestion on resting cerebral blood flow (CBF) in young adults. We demonstrate that KME supplementation lowers CBF in a dose‐dependent manner over 2‐houra post‐ingestion, whereas CBF remained unchanged following ...
Aedan J. Rourke   +7 more
wiley   +1 more source

Behaviour of Quark and Strange Quark Matter for Higher Dimensional Bianchi Type -I Universe in f(R,T) Gravity

open access: yesEast European Journal of Physics
This research paper delves into a thorough examination of the behaviour exhibited by higher dimensional Bianchi Type-I universes, incorporating the presence of quark and strange quark matter within the framework of f(R,T) gravity.
S. Thakre, R.V. Mapari, V.A. Thakare
doaj   +1 more source

Heavy quark physics in the covariant quark model.

open access: yes, 2014
I give a short introduction to the covariant quark model and its applications to heavy quark physics. The special emphasis will be devoted to the semileptonic, rare and radiative decays of the $\Lambda_b$-baryon.
openaire   +2 more sources

Static quark model

open access: yes, 2016
Abstract This chapter introduces the quark model of hadrons, starting with a short section on how to combine two and three spin-half particle states. The quark model is explained with reference to the hadrons formed from the light quarks (u, d, s).
G. Barr   +3 more
openaire   +1 more source

Quark Model

open access: yesThe European Physical Journal C, 2000
C. Amsler, C. G. Wohl
openaire   +1 more source

Impact of dark matter on strange quark stars described by different quark models

open access: yesEuropean Physical Journal C: Particles and Fields
Dark matter is hypothesized to interact with ordinary matter solely through gravity and may be present in compact objects such as strange quark stars. We treat strange quark stars admixed with dark matter as two-fluid systems to investigate the potential
Yida Yang, Chen Wu, Ji-Feng Yang
doaj   +1 more source

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