Results 101 to 110 of about 69,048 (265)

Contribution of Ryugu-like material to Earth's volatile inventory by Cu and Zn isotopic analysis. [PDF]

open access: yesNat Astron, 2022
Paquet M   +93 more
europepmc   +1 more source

Streptavidins Coordinate Biotin Sequestration and Self‐Resistance Within a Biotin‐Pathway Antibiotic Network

open access: yesAdvanced Science, EarlyView.
A conserved genomic region between two streptavidin genes in Streptomyces packages biosynthetic gene clusters for diverse biotin‐pathway antibiotics: acidomycin, stravidin, the new non‐proteinogenic amino acid ANDA, and the new BioA inhibitor α‐methyl‐KAPA.
Sumire Kurosawa   +8 more
wiley   +1 more source

Bulk and position-specific isotopic compositions of natural gas in the Permian Jiamuhe Formation, Zhongguai Uplift, Junggar Basin, China

open access: yesScientific Reports
This study investigates the genetic types and accumulation characteristics of natural gas from the Permian Jiamuhe Formation in the Zhongguai Uplift, Junggar Basin, through an integrated geochemical analysis of 23 natural gas samples.
Tao Wu   +6 more
doaj   +1 more source

Tracing isotopic fingerprints: Unveiling the impact of noodle formulation and cooking water on the isotopic signatures of wheat-derived noodles

open access: yesCurrent Research in Food Science
This study examines how variations in δ2H and δ18O values of cooking water affect the isotopic fingerprint of noodles with different gluten-to-starch formulations, aiming to enhance the current understanding of isotopic changes during food processing and
Jingjie Yang   +7 more
doaj   +1 more source

North and South: Exploring isotopic analysis of bone carbonates and collagen to understand post-medieval diets in London and northern England. [PDF]

open access: yesAm J Biol Anthropol, 2023
Chidimuro B   +9 more
europepmc   +1 more source

Multi‐Omics Profiling Reveals Immunomodulatory and Pro‐Regenerative Effects of a Graphene Oxide–Collagen Scaffold in Massive Rotator Cuff Tears

open access: yesAdvanced Science, EarlyView.
A graphene oxide/collagen scaffold is developed for chronic massive rotator cuff tear repair. The scaffold improves compressive stability, supports reparative mesenchymal differentiation, and modulates the immune microenvironment. In chronic MRCT models, it reduces muscle degeneration, enhances tendon–bone regeneration, and improves functional recovery,
Renwen Wan   +24 more
wiley   +1 more source

Biomimetic Polymerization of Tellurocysteine: Breaking the Natural Amino Acid Radioprotection Limitation

open access: yesAdvanced Science, EarlyView.
Inspired by natural amino acid polymer‐melanin systems, this study strategically incorporated tellurocysteine to develop advanced radiation‐shielding materials. This approach transformed the primary interaction mechanism between melanin‐based materials and incident photons from Compton scattering to the photoelectric effect. Tellurocysteine‐polymerized
Wei Chen   +6 more
wiley   +1 more source

Achieving High‐Density and Stress‐Resilient Maize Breeding Via Germplasm Innovation

open access: yesAdvanced Science, EarlyView.
Global population growth and climate change have exacerbated the global food crisis. This perspective presents a conceptual framework focusing on enhancing population advantages. Several novel breeding objectives are proposed to improve density tolerance and stress resistance for yield improvement.
Xinlong Li   +9 more
wiley   +1 more source

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