Results 51 to 60 of about 33,997 (307)

Rhodora [PDF]

open access: yes, 1976
Index v.51-75 ...
Fernald, Merritt Lyndon, 1873-1950   +2 more
core   +4 more sources

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

Elegant design of carbon nanotube foams with double continuous structure for metamaterials in a broad frequency range

open access: yes, 2020
Carbon nanotube (CNT) foams with negative permittivity and permeability are successfully prepared by chemical vapor deposition (CVD) and post-treatment.
Cardon, Ludwig   +3 more
core   +1 more source

Cell‐cycle‐specific lesion evolution rather than inhibition of double‐strand‐break repair underpins cisplatin radiosensitization

open access: yesMolecular Oncology, EarlyView.
We analyze cisplatin–DNA adducts (CDAs) and double‐strand breaks (DSBs) in a cell‐cycle‐dependent manner. We find that CDAs form similarly across all cell cycle phases. DSBs arise only in S‐phase. CDAs might not directly impair DSB repair, but S‐phase DSB lesions evolve in the presence of CDAs and disrupt repair in G2, also causing radiosensitization ...
Ye Qiu   +10 more
wiley   +1 more source

The Anti-Serotonin Effect of Parthenolide Derivatives and Standardised Extract from the Leaves of Stizolophus balsamita

open access: yesMolecules, 2019
The presence of dominant active compounds in standardised methanol extract from the leaves of Stizolophus balsamita (S. balsamita) was examined using HPLC with a diode-array detector.
Joanna Nawrot   +6 more
doaj   +1 more source

Age and origin of enigmatic megaherbs from the subantarctic islands [PDF]

open access: yes, 2007
Biogeographic relationships in the southern hemisphere have puzzled biologists for the last two centuries. Once joined to form the supercontinent Gondwana, Africa, Antarctica, Australia, New Zealand and South America are widely separated by the Pacific ...
Christopher Quinn   +3 more
core   +1 more source

Molecular cancer prevention: Intercepting disease

open access: yesMolecular Oncology, EarlyView.
Oncological practice must evolve, from treating established tumours to proactive cancer interception before clinical manifestation. This will require mechanistic insight into tumour initiation, validated biomarkers of early disease development and redesigned clinical trials, enabling cancer interception to become a core pillar of oncology with the ...
Charlotte Grieco   +2 more
wiley   +1 more source

Santolina ageratifolia Bamades ex Asso (Compositae) and their relationships with S. rosmarinifolia L.

open access: yesAnales del Jardín Botánico de Madrid, 1997
The status of Santolina ageratifolia Bamades ex Asso as a distinct species belonging to S. rosmarinifolia L. aggr. is vindicated. An historical approach, a revisión of the diagnostic characters and a detailed chorology of the species in Spain is ...
Silvia López Udias   +2 more
doaj   +1 more source

DNA methylation and expression of MAPRE3 affect overall survival of early‐stage non‐small cell lung cancer patients

open access: yesMolecular Oncology, EarlyView.
Both cg12821679MAPRE3 methylation and MAPRE3 expression are significantly associated with overall survival (OS) of non‐small cell lung cancer. Meanwhile, MAPRE3 expression significantly modified the effect of smoking cessation on OS. Smoking cessation benefits OS merely for patients with high MAPRE3 expression.
Chao Chen   +14 more
wiley   +1 more source

Evolución temporal y diversificación en Artemisia y géneros relacionados (Anthemideae, Asteraceae)

open access: yesCollectanea Botanica, 2011
Evolución temporal y diversificación en Artemisia y géneros relacionados (Anthemideae, Asteraceae).- Con el objetivo de estimar el tiempo de diversificación de los linajes de la subtribu Artemisiinae y el grupo Artemisia se aplicó un análisis de ...
M. Sanz   +3 more
doaj   +1 more source

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