Results 201 to 210 of about 323,480 (336)

Implications of the (H2O)n + CO ↔ trans-HCOOH + (H2O)n–1 (n = 1, 2, and 3) reactions for primordial atmospheres of Venus and Earth [PDF]

open access: bronze, 2018
Rafael M. Vichietti   +4 more
openalex   +1 more source

The regional evolution of a dryland fluvio‐aeolian and lacustrine succession in response to allocyclic forcing: insights from the Early Permian Cutler Group, Utah, USA

open access: yesSedimentology, Volume 73, Issue 2, Page 297-354, February 2026.
ABSTRACT Preserved allocyclic signatures in the rock record often reflect basin‐scale climatic variability and serve as key proxies for correlating ancient dryland successions. The notion of climate cyclicity, however, remains largely untested on regionally constrained, outcrop‐calibrated studies.
Oliver Button   +4 more
wiley   +1 more source

Highly Efficient Organocatalytic House‐Meinwald Rearrangement for the Facile Synthesis of Aldehydes: Swift Access to Ibuprofen

open access: yesChemistry – A European Journal, Volume 32, Issue 2, 9 January 2026.
We use readily available epoxides and 0.5 mol% bis(trifluoromethane)sulfonimide (Tf2N) as a catalyst to synthesize a broad range of aldehydes in yields ranging from 89% to 97%. Furthermore, we identified aldehyde dimerization intermediates at lower temperatures and observed their cleavage at 55 °C.
Friedemann Dressler   +3 more
wiley   +1 more source

Temporal Stretch‐Induced Nuclear Mechanosensing Coordinates Early Chromatin Accessibility and Genome Protection

open access: yesAdvanced Science, Volume 13, Issue 5, 27 January 2026.
Cyclic stretching of fibroblasts triggers coordinated nuclear mechanosensing events, including calcium ion release, perinuclear actin assembly, emerin translocation, and H3K9me3 loss, increasing chromatin accessibility for specific genes related to mechanotransduction and repair.
Hye‐Won Shim   +10 more
wiley   +1 more source

Remote sensing of water vapour in Venus' middle atmospere

open access: green, 2002
Mary Elizabeth. Koukouli   +1 more
openalex   +1 more source

ADA2 Forms Nuclear Condensates with GCN5 and ATP‐Citrate Lyase (ACL) to Modulate H3K9 Acetylation at Genes Functioning in Rice Meristems

open access: yesAdvanced Science, Volume 13, Issue 5, 27 January 2026.
This study unveils a novel GAA (GCN5‐ADA2‐ACL) complex that forms nuclear condensates to boost local acetyl‐CoA, facilitating histone acetylation and gene transcription in rice meristems. The research underscores the role of ADA2's disordered region in complex condensation and ACL's role in acetyl‐CoA production.
Yaping Yue   +11 more
wiley   +1 more source

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