Results 91 to 100 of about 267,937 (275)

Controls on cobalt concentrations in ferromanganese crusts from the Magellan seamounts, west Pacific

open access: yesFrontiers in Marine Science
IntroductionCobalt is the most important critical element in ferromanganese crusts. Co concentration in the Fe-Mn crusts is one of the key parameters for determination of the Co resource. Thus, it is essential to clarify the controls on the variations of
Xiangwen Ren   +5 more
doaj   +1 more source

DIFFUSION INTERGRANULAIRE.LA DIFFUSION INTERGRANULAIRE

open access: yesLe Journal de Physique Colloques, 1975
On donne une revue critique des modèles de diffusion intergranulaire. Les progrès récents des méthodes de mesure de ces coefficients sont résumés. Les principaux résultats sont présentés ainsi que les théories qu'ils ont suggérées. Une compilation des résultats publiés figure en annexe.
Martin, G., Perraillon, B.
openaire   +2 more sources

Automated FRAP microscopy for high‐throughput analysis of protein dynamics in chromatin organization and transcription

open access: yesFEBS Open Bio, EarlyView.
RoboMic is an automated confocal microscopy pipeline for high‐throughput functional imaging in living cells. Demonstrated with fluorescence recovery after photobleaching (FRAP), it integrates AI‐driven nuclear segmentation, ROI selection, bleaching, and analysis.
Selçuk Yavuz   +6 more
wiley   +1 more source

Diffusivity Coefficient of Shogaol Degradation into Paradol in the Reactive Extraction of Ginger Dregs through Subcritical Water

open access: yesInternational Journal of Technology
The reactive extraction of shogaol and gingerol bioactive compounds using subcritical water is believed to increase diffusivity and selectivity of extraction process.
Mohamad Endy Yulianto   +2 more
doaj   +1 more source

Metformin promotes mitochondrial integrity through AMPK‐signaling in Leber's hereditary optic neuropathy

open access: yesFEBS Open Bio, EarlyView.
Metformin mediates mitochondrial quality control in Leber's hereditary optic neuropathy (LHON) fibroblasts carrying mtDNA mutations. At therapeutic levels, metformin activates AMPK signaling to restore mitochondrial dynamics by promoting fusion and restraining fission, while preserving mitochondrial mass, enhancing autophagy/mitophagy and biogenesis ...
Chatnapa Panusatid   +3 more
wiley   +1 more source

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

open access: yesFEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Comprehensive Investigation of White Matter Tracts in Professional Chess Players and Relation to Expertise: Region of Interest and DMRI Connectometry

open access: yesFrontiers in Neuroscience, 2018
Purpose: Expertise is the product of training. Few studies have used functional connectivity or conventional diffusometric methods to identify neural underpinnings of chess expertise.
Mahsa Mayeli   +4 more
doaj   +1 more source

Continuum Derrida Approach to Drift and Diffusivity in Random Media

open access: yes, 1996
By means of rather general arguments, based on an approach due to Derrida that makes use of samples of finite size, we analyse the effective diffusivity and drift tensors in certain types of random medium in which the motion of the particles is ...
Abramovich B   +24 more
core   +1 more source

Orientation diffusions [PDF]

open access: yesIEEE Transactions on Image Processing, 1998
Diffusions are useful for image processing and computer vision because they provide a convenient way of smoothing noisy data, analyzing images at multiple scales, and enhancing discontinuities. A number of diffusions of image brightness have been defined and studied so far; they may be applied to scalar and vector-valued quantities that are naturally ...
openaire   +4 more sources

BMI‐1 modulation and trafficking during M phase in diffuse intrinsic pontine glioma

open access: yesFEBS Open Bio, EarlyView.
The schematic illustrates BMI‐1 phosphorylation during M phase, which triggers its translocation from the nucleus to the cytoplasm. In cycling cells, BMI‐1 functions within the PRC1 complex to mediate H2A K119 monoubiquitination. Following PTC596‐induced M phase arrest, phosphorylated BMI‐1 dissociates from PRC1 and is exported to the cytoplasm via its
Banlanjo Umaru   +6 more
wiley   +1 more source

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