Results 111 to 120 of about 2,041,230 (280)

A Microenvironment‐Adaptive Scaffold Rejuvenates Peripheral Nerve Regeneration During Aging Via Dual Modulation of Ferroptotic Stimuli in Schwann Cells

open access: yesAdvanced Science, EarlyView.
(i) Aging impairs peripheral nerve regeneration via its dual ferroptosis‐mediated pathologies in senescent schwann cells. (ii) The composite nerve conduit is a symbiosis niche integrating microenvironment‐responsive nanoparticles (Ga‐PTAs) and maxillofacial‐derived mesenchymal stem cells (Mmscs).
Ning Zhan   +12 more
wiley   +1 more source

Modular and Stereoselective Synthesis of Cyclobutane β‐Amino Alcohols

open access: yesAngewandte Chemie, EarlyView.
Late‐stage functionalization and photoisomerization of 1,2‐azaborine leads to a general strategy for the synthesis of diversely substituted cyclobutane β‐amino alcohols. The relative stereochemistry of the resulting products is unambiguously defined by the stereospecific and stereoselective nature of the photoisomerization‐hydrogenation‐oxidation ...
Xinyu Yang   +3 more
wiley   +2 more sources

Soil Organic Carbon Pools as Affected by Land Use Types in Hilly Ecosystems of Manipur

open access: yesInternational Journal of Bio-Resource and Stress Management, 2017
Soil organic carbon (SOC) stock is a function of climatic conditions, vegetation and soil characteristics. SOC pool is comprised of labile and recalcitrant pools with varying residence time.
Thounaojam Thomas Meetei   +3 more
doaj  

Pulses of labile carbon cause transient decoupling of fermentation and respiration in permeable sediments. [PDF]

open access: yesLimnol Oceanogr, 2023
Nauer PA   +10 more
europepmc   +1 more source

A1045_East_Carbon_High_School_0035_part_2_HD_18_fps

open access: yes, 1975
Part 2 of film showing the East Carbon High School football team playing against Beaver at Beaver in 1975.
East Carbon High School
core  

A Photothermally Amplified Enzyme–Nitric Oxide Co‐Regulatory System Reprograms Pathological ECM–Fibroblast Crosstalk to Alleviate Hypertrophic Scarring

open access: yesAdvanced Science, EarlyView.
An enzyme–nitric oxide (NO) co‐regulatory strategy reprograms pathological extracellular matrix (ECM)–fibroblast crosstalk in hypertrophic scars. Enzymatic degradation of pre‐existing ECM relieves aberrant mechanical cues, while NO‐mediated fibroblast phenotypic modulation restrains excessive collagen synthesis.
Junzhe Fu   +7 more
wiley   +1 more source

P‐Directed and Lewis Acid‐Assisted Pd‐Catalyzed Si─Me Bond Activation Enabling Alkyl Exchange at Silicon

open access: yesAngewandte Chemie, EarlyView.
A new type of Si─Me bond activation enabling catalytic alkyl exchange at Si was developed. It involves a P‐directing group and Pd─Lewis acid cooperation. It enables the conversion of Me3SiCl into silanols with three different organic substituents. ABSTRACT A novel mode of Si─Me bond activation has been unveiled through the cooperative action of a P ...
Hajime Kameo   +5 more
wiley   +2 more sources

Climate and sedimentary structure drive deep labile carbon accumulation in alpine wetlands

open access: yesCommunications Earth & Environment
Wetlands serve as vital carbon sinks; however, compared with the surface carbon pool, the relative stock and stability of organic carbon (OC) buried in deep sediment layers remain uncertain, particularly in alpine regions.
Youqing Yang   +17 more
doaj   +1 more source

Divalent cations outweigh metal oxides in stabilizing organic carbon in humid subtropical grassland soils

open access: yesGeoderma
Soil organic carbon (SOC) stability and protection are crucial for carbon sequestration and achieving climate mitigation goals. Physiochemical protection is a key mechanism of SOC stabilization, which is vital for global carbon cycling and has received ...
Yuxi Guo   +4 more
doaj   +1 more source

A1045_East_Carbon_High_School_0046_for_real_HD_18_fps

open access: yes, 1970
Film showing the East Carbon High School track and field team competing at Snow College for the invitational. This shows different teams competing at pole vaulting, shot put, multiple running races like hurdles and sprints, and also discus. Film quality:
East Carbon High School
core  

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