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ABC: [teksts paredzēts lasītprasmes apgūšanai boksterējot]
1796
Ar tērauda un polipropilēna šķiedrām stiegrota fibrobetona īpašību izpēte
2015
Šajā darbā izpētīta polipropilēna šķiedru ietekme uz parastu un tērauda šķiedrām stiprinātu betonu, veicot četru punktu lieces un vienas šķiedras izvilkšanas eksperimentus. Papildus tika veikta porainības analīze. Iegūtie eksperimentālie rezultāti uzrāda ievērojamu īpašību uzlabošanos tērauda šķiedrām stiprinātam betonam, pievienojot tam polipropilēna šķiedras. Iepriekš veiktos pētījumos nav dots pārliecinošs skaidrojums procesiem, kas atbildīgi par šķiedru sinerģiju. Šī darba autors piedāvā vienkāršu izskaidrojumu mehānismam, kas atbild par paaugstinātām īpašībām tērauda un polipropilēna šķiedrām stiprinātam betonam.
An arthritogenic alphavirus uses the α1β1 integrin collagen receptor
2005
Ross River (RR) virus is an alphavirus endemic to Australia and New Guinea and is the aetiological agent of epidemic polyarthritis or RR virus disease. Here we provide evidence that RR virus uses the collagen-binding alpha1beta1 integrin as a cellular receptor. Infection could be inhibited by collagen IV and antibodies specific for the beta1 and alpha1 integrin proteins, and fibroblasts from alpha1-integrin-/- mice were less efficiently infected than wild-type fibroblasts. Soluble alpha1beta1 integrin bound immobilized RR virus, and peptides representing the alpha1beta1 integrin binding-site on collagen IV inhibited virus binding to cells. We speculate that two highly conserved regions with…
Monotherapy with indacaterol once daily reduces the rate of exacerbations in patients with moderate-to-severe COPD: Post-hoc pooled analysis of 6 mon…
2014
Summary Background In patients with COPD, exacerbations are associated with poor quality of life and may shorten survival. Prevention of exacerbations is, therefore, a key objective in COPD management. Indacaterol, a once-daily ultra-long-acting β 2 -agonist, has been shown to reduce exacerbations in various studies. This pooled analysis evaluated the effect of indacaterol on exacerbations versus placebo. Methods Six-month data were pooled from three randomized, double-blind, and placebo-controlled studies: indacaterol 300 μg versus placebo (1 year); indacaterol 150 μg and 300 μg versus placebo (6 months); and indacaterol 150 μg versus placebo (6 months). All treatments were administered on…
High-precision measurement of a low Q value for allowed β−-decay of 131I related to neutrino mass determination
2022
The ground-state-to-ground-state β−-decay 131I (7/2+) → 131Xe (3/2+) Q value was determined with high precision utilizing the double Penning trap mass spectrometer JYFLTRAP at the IGISOL facility. The Q value of this β−-decay was found to be Q = 972.25(19) keV through a cyclotron frequency ratio measurement with a relative precision of 1.6 × 10−9. This was realized using the phase-imaging ion-cyclotron-resonance technique. The new Q value is more than 3 times more precise and 2.3σ higher (1.45 keV) than the value extracted from the Atomic Mass Evaluation 2020. Our measurement confirms that the β−-decay to the 9/2+ excited state at 971.22(13) keV in 131Xe is energetically allowed with a Q va…
The “Diabetes Comorbidome”: A Different Way for Health Professionals to Approach the Comorbidity Burden of Diabetes
2022
(1) Background: The disease burden related to diabetes is increasing greatly, particularly in older subjects. A more comprehensive approach towards the assessment and management of diabetes’ comorbidities is necessary. The aim of this study was to implement our previous data identifying and representing the prevalence of the comorbidities, their association with mortality, and the strength of their relationship in hospitalized elderly patients with diabetes, developing, at the same time, a new graphic representation model of the comorbidome called “Diabetes Comorbidome”. (2) Methods: Data were collected from the RePoSi register. Comorbidities, socio-demographic data, severity and comorbidit…
Annales rerum Anglicarum et Hibernicarum regnante Elizabetha auctore Guil. Camdeno
History of Queen Elizabeth's reign in an annalistic style, grouping events by year.