Results 41 to 50 of about 148,720 (288)

Engineered extracellular vesicles enriched with the miR‐214/199a cluster enhance the efficacy of chemotherapy in ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Loss of the miR‐214/199a cluster is associated with recurrence in ovarian cancer. Engineered small extracellular vesicles (m214‐sEVs) elevate miR‐214‐3p/miR‐199a‐5p in tumor cells, suppress β‐catenin, TLR4, and YKT6 signaling, reprogram tumor‐derived sEV cargo, reduce chemoresistance and migration, and enhance carboplatin efficacy and survival in ...
Weida Wang   +12 more
wiley   +1 more source

Hypoxic pulmonary vasodilation: a paradigm shift with a hydrogen sulfide mechanism

open access: yesThe FASEB Journal, 2010
Hypoxic pulmonary vasoconstriction (HVC), an assumed ubiquitous response of mammalian pulmonary arteries (PA), matches regional ventilation to perfusion via an unknown oxygen sensing mechanism.
Kenneth R, Olson   +6 more
openaire   +3 more sources

Rational Fine‐Tuning of MOF Pore Metrics: Enhanced SO2 Capture and Sensing with Optimal Multi‐Site Interactions

open access: yesAdvanced Functional Materials, EarlyView.
A pore tuning strategy to amplify the multi‐site MOF‐SO2 interactions is proposed to achieve an enhanced trace SO2 capture and chemiresistive sensing in highly stable isostructural DMOFs by annelating benzene rings. This work provides a facile strategy to achieve tailor‐made stable MOF materials for specific multifunctional applications.
Shanghua Xing   +9 more
wiley   +1 more source

Green coal and lubricant via hydrogen-free hydrothermal liquefaction of biomass

open access: yesNature Communications
Biocrude derived from biomass via hydrothermal liquefaction (HTL) is a sustainable substitute for petroleum to obtain energy and biochemicals. Upgrading biocrude inevitably faces the trade-off between consuming large amounts of hydrogen via hydrotreating
Maojiong Cao   +10 more
doaj   +1 more source

Spectroscopic Evidence for the Specific Na+ and K+ Interactions with the Hydrogen-bonded Water Molecules at the Electrolyte Aqueous Solution Surfaces

open access: yes, 2008
Sum frequency generation vibrational spectra of the water molecules at the NaF and KF aqueous solution surfaces showed significantly different spectral features and different concentration dependence.
Adamson A. W.   +5 more
core   +1 more source

Galaxy Clustering at z~3 [PDF]

open access: yes, 1998
Galaxies at very high redshift (z~3 or greater) are now accessible to wholesale observation, making possible for the first time a robust statistical assessment of their spatial distribution at lookback times approaching ~90% of the age of the Universe ...
Adelberger, K.   +5 more
core   +3 more sources

Near‐Infrared Emitting Lanthanide Catecholate Giant Single Crystals – Morphology Control and Photon Down‐Conversion

open access: yesAdvanced Functional Materials, EarlyView.
Controlled syntheses of lanthanide coordination polymers based on the dihydroxybenzoquinone (DHBQ) organic linker afforded large single crystals of Ln‐DHBQ CPs (Ln = Yb, Nd). A novel structural variant of Yb‐DHBQ is identified by means of single crystal diffraction analysis.
Marina I. Schönherr   +7 more
wiley   +1 more source

The Progress of Autoignition of High-Pressure Hydrogen Gas Leakage: A Comprehensive Review

open access: yesFire
As a paradigm of clean energy, hydrogen is gradually attracting global attention. However, its unique characteristics of leakage and autoignition pose significant challenges to the development of high-pressure hydrogen storage technologies.
Gan Cui   +6 more
doaj   +1 more source

Dark matter and stable bound states of primordial black holes

open access: yes, 2003
We present three reasons for the formation of gravitational bound states of primordial black holes,called holeums,in the early universe.Using Newtonian gravity and nonrelativistic quantum mechanics we find a purely quantum mechanical mass-dependant ...
Abhijit L Chavda   +10 more
core   +1 more source

Publisher Correction: Hydrogen-rich supernovae beyond the neutrino-driven core-collapse paradigm [PDF]

open access: yesNature Astronomy, 2018
Item does not contain ...
G. Terreran   +43 more
openaire   +3 more sources

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