Results 41 to 50 of about 53,221 (292)

Photocatalytic Water Splitting on the Lunar Surface: Prospects for In Situ Resource Utilization

open access: yesAdvanced Materials Interfaces, EarlyView.
Water has been found in craters on the moon nearby locations which are illuminated >80% of the time. Photocatalysis uses energy from sunlight to drive chemical reactions such as water splitting to produce oxygen and hydrogen. It is a scalable technology that requires lighter equipment and utilizes resources available on the moon. ABSTRACT The discovery
Ranjani Kalyan   +6 more
wiley   +1 more source

Some Studies of Terrestrial Impact Cratering Rate

open access: yesOpen Astronomy, 2011
In 1984, a 28.4 Myr periodicity was detected in the ages of terrestrial impact craters and a 26 Myr periodicity in the epochs of mass extinctions of species.
Jetsu L.
doaj   +1 more source

Cyanogen, cyanoacetylene, and acetonitrile in comet 67P and their relation to the cyano radical [PDF]

open access: bronze, 2021
Nora Hänni   +8 more
openalex   +1 more source

Structural Colors from Ultrathin Lignin Films

open access: yesAdvanced Optical Materials, EarlyView.
Thickness‐dependent structural colors in ultrathin lignin films generate a full visible palette, tuned simply by solution concentration and spin speed. Abstract Structural colors offer a sustainable alternative to toxic pigments and dyes, yet their realization from lignin, the most abundant aromatic biopolymer, has remained elusive.
Bang An   +6 more
wiley   +1 more source

Using the database of coordinates of the major planets for the numerical integration of the equations of celestial bodies motion

open access: yesVestnik Samarskogo Gosudarstvennogo Tehničeskogo Universiteta. Seriâ: Fiziko-Matematičeskie Nauki, 2011
Databases of major planets coordinates are created on the basis of the numerical theory of movement of planets DE405. Numerical integration of the motion equations of small bodies of Solar system is realized using the received databanks. Extra efficiency
Vladimir P Radchenko, Dmitriy A Zausaev
doaj  

Polarization‐Sensitive Au‐TiO2 Nanopillars for Tailored Plasmonic Enhanced Light‐Driven Reaction Activity

open access: yesAdvanced Optical Materials, EarlyView.
Manipulating the product generation yield is achieved on a model plasmonic resonance‐driven reaction by tuning the nonthermal effects of localized surface plasmonic resonance on an elliptical Au‐TiO2 nanopillar metasurface. Asymmetric configuration of the elliptical nanopillar array governs the polarization‐dependent optical properties redshifting the ...
Ning Lyu   +6 more
wiley   +1 more source

The Interstellar Heritage of Comets

open access: yesThe Astronomical Journal
Comets have similar compositions to interstellar medium ices, suggesting at least some of their molecules may be inherited from an earlier stage of evolution.
Karen Willacy   +7 more
doaj   +1 more source

Clumpy Novel Mitochondrial Signatures in Irradiated Human Diabetic Buccal Cells: A Case Control Study

open access: yesMedeniyet Medical Journal
Objective: This study aimed to determine the whole free mitochondria in type-2 diabetic buccal epithelial cells using a supravital stain called 'Janus Green B' and assess their behavior after exposure to near infrared light.
Surraj SUSAI   +4 more
doaj   +1 more source

Cepstrum Analysis of Terrestrial Impact Crater Records [PDF]

open access: yesJournal of Astronomy and Space Sciences, 2008
Study of terrestrial impact craters is important not only in the field of the solar system formation and evolution but also of the Galactic astronomy. The terrestrial impact cratering record recently has been examined, providing short- and intermediate ...
Heon-Young Chang, Cheongho Han
doaj   +1 more source

EIF1AX Nucleolar Condensates Enhance Susceptibilities for the Management of Endometrial Cancer

open access: yesAdvanced Science, EarlyView.
This schematic illustrates the mechanism of a senolytic strategy in endometrial cancer. EIF1AX facilitates the incorporation of DDX21 into nucleolar condensates, an event that suppresses rDNA transcription and induces cellular senescence. The compound 2,5‐MeC exploits this pathway by promoting EIF1AX nucleolar translocation and condensate formation ...
Chengyu Lv   +8 more
wiley   +1 more source

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