Results 161 to 170 of about 75,034 (299)

Engineered Optogenetic Circuits In Yeast with Self‐Sustained Outputs

open access: yesAdvanced Science, EarlyView.
Optogenetic quorum‐sensing (OptoQS) circuit enables Saccharomyces cerevisiae to record transient light stimulus with self‐sustained outputs. Panel a indicates the design of the OptoQS circuit based on G‐protein coupled receptor (GPCR) signaling cascade. Panel b indicates the mode of action of surrogate messenger‐mediated signal transmission at the cell
Cong Fan   +7 more
wiley   +1 more source

Feedback and molecular interactions in the process of light-induced carotenogenesis in Myxococcus xanthus [PDF]

open access: yes
Myxococcus xanthus is a soil-dwelling bacterium which produces carotenoids upon irradiation with blue light. Genetic analysis has allowed elucidation of transduction of the light signal to the carotenogenic machinery within the cell.
Whitworth, David E.
core  

Magnetically Boosted Water‐Splitting Performance in Metallic Glasses

open access: yesAdvanced Science, EarlyView.
A strategy for boosting water electrolysis efficiency using ultralow magnetic fields on soft‐magnetic MG wires is reported. Ni40Fe40P20 metallic glass exhibits superior overall water‐splitting performance (1.51 V @ 1000 mA cm−2) at 100 Oe, enabled by spin polarization in periodic surface magnetic domains to enhance orbital hybridization and net spin ...
Chaoqun Pei   +9 more
wiley   +1 more source

Analysis of 8-oxo-7, 8-dihydroGuanine formation and oxidation mediated by Fenton reaction induced DNA oxidative stress

open access: yes, 2005
DNA undergoes an estimated 10,000 oxidative hits per day. Oxidative DNA damage caused by reactive oxygen species (ROS) can result in multiple base modifications, which have been implicated in mutagenesis, disease and aging.
White, Blánaid
core  

Interfacial Proton‐Relay Microenvironment Enables Self‐Driven Singlet Oxygen Generation under Neutral Conditions

open access: yesAdvanced Science, EarlyView.
An interfacial proton‐relay microenvironment at MoS2‐CuCl heterostructures enables selective O2 activation to 1O2 under neutral conditions. Electron‐deficient sulfur sites mediate proton transfer to Cu‐bound O2, accelerating *OOH hydrogenation while suppressing O─O bond cleavage, achieving stable, efficient pollutant removal.
Qiaoyu Gao   +9 more
wiley   +1 more source

Singlet Oxygen-Mediated Photodelivery of Neurotransmitters

open access: yes, 2019
In this study, we have developed photodonors of neurotransmitters which cage neurotransmitters in singlet oxygen responsive unit and exploited photosensitizers for the generation of singlet oxygen.
이승연
core  

All‐Flex Plasma Patch for In Vivo Delivery of Reactive Species

open access: yesAdvanced Science, EarlyView.
A fully flexible plasma patch enables stable, conformal treatment on complex biological surfaces and enhances transdermal delivery of reactive species. This platform achieves significant tumor suppression in vivo and reveals coordinated regulation of calcium signaling, metabolism, and programmed cell death, providing a promising strategy for safe and ...
Luxiang Zhao   +8 more
wiley   +1 more source

Single‐Cell Reveal GALNT7‐Dependent Ferroptosis Suppression as a Mechanism of Immunotherapy Resistance in Non‐Small Cell Lung Cancer

open access: yesAdvanced Science, EarlyView.
Integrated clinical and mechanistic analyses identify GALNT7 as a ferroptosis‐suppressive regulator associated with immunotherapy resistance in non‐small cell lung cancer. GALNT7 depletion promotes lipid peroxidation, mitochondrial dysfunction, and ferroptosis, enhances CD8+ T‐cell activation and IFN‐γ production, and sensitizes tumors to PD‐1 blockade,
Jiadi Gan   +11 more
wiley   +1 more source

Singlet oxygen-mediated photocatalytic generation of abasic sites in DNA. [PDF]

open access: yesCommun Chem
Yamano Y   +6 more
europepmc   +1 more source

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