Results 121 to 130 of about 55,835 (345)

Optical novae: the major class of supersoft X-ray sources in M 31 [PDF]

open access: bronze, 2006
W. Pietsch   +6 more
openalex   +1 more source

Hyperandrogenemia Induces Trophoblast Ferroptosis and Early Pregnancy Loss in Patients With PCOS via CMA‐Dependent FTH1 Degradation

open access: yesAdvanced Science, EarlyView.
In PCOS patients with hyperandrogenemia, decreased ferritin heavy chain 1 (FTH1) causes Fe2⁺ overload and ferroptosis in trophoblasts. Androgens induce FTH1 protein degradation via AR‐LAMP2A‐mediated chaperone‐mediated autophagy pathway, leading to placental development disruption and early pregnancy loss. Metformin mitigates androgen‐induced placental
Hanjing Zhou   +10 more
wiley   +1 more source

Annulata nova

open access: yes
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

Novas tecnologias para... novas (?) expografias

open access: yesMuseologia & Interdisciplinaridade, 2012
Os museus têm enfrentado, nos últimos anos, grandes desafios para sobreviver em um mundo onde as fontes de informação e as possibilidades de lazer são inúmeras. E é geralmente por isso, para atrair o público, em especial o público jovem, que os museus têm buscado utilizar novas ferramentas expográficas, que tornem a mostra mais atrativa e motivadora ...
openaire   +4 more sources

The analysis of spectra of novae taken near maximum [PDF]

open access: yes
A project to analyze ultraviolet spectra of novae obtained at or near maximum optical light is presented. These spectra are characterized by a relatively cool continuum with superimposed permitted emission lines from ions such as Fe II, Mg II, and Si II.
Baschek, B.   +7 more
core   +1 more source

Modifying Glucose Metabolism Reverses Memory Defects of Alzheimer's Disease Model at Late Stages

open access: yesAdvanced Science, EarlyView.
Using spatial transcriptomics, we show that ferul enanthate (SL‐ZF‐01) reverses episodic‐like memory deficits in aged, but not young, Alzheimer’s disease (AD) mice. SL restores glucose metabolism and Glucose Transporter 1/3 expression via an ‘Aging‐AD‐Rescue’ pattern, rescuing deficits seen in aged AD mice.
Fang Liu   +14 more
wiley   +1 more source

Eruptive novae in symbiotic systems [PDF]

open access: hybrid, 2023
Irin Babu Vathachira   +2 more
openalex   +1 more source

NOVAS TAREFAS E NOVAS FORÇAS

open access: yesGerminal: Marxismo e Educação em Debate, 2014
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openaire   +3 more sources

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