Results 51 to 60 of about 10,695 (200)

Monitoring the rotary motors of single FoF1-ATP synthase by synchronized multi channel TCSPC [PDF]

open access: yes, 2007
Confocal time resolved single-molecule spectroscopy using pulsed laser excitation and synchronized multi channel time correlated single photon counting (TCSPC) provides detailed information about the conformational changes of a biological motor in real time.
arxiv   +1 more source

Modeling work-speed-accuracy trade-offs in a stochastic rotary machine [PDF]

open access: yesPhys. Rev. E 101, 032110 (2020), 2019
Molecular machines are stochastic systems that catalyze the energetic processes keeping living cells alive and structured. Inspired by the examples of F1-ATP synthase and the bacterial flagellum, we present a minimal model of an externally driven stochastic rotary machine.
arxiv   +1 more source

Biotechnology Advances in Natural Food Colorant Acylated Anthocyanin Production

open access: yesFood Frontiers, Volume 6, Issue 2, Page 698-715, March 2025.
ABSTRACT The food application of natural blue colorants such as acylated anthocyanin is becoming increasingly popular due to their safety, nutritional value, organoleptic attributes, and more pH/thermo‐stable properties compared to nonacylated anthocyanins.
Shaohua Zeng   +4 more
wiley   +1 more source

Exogenous Methylation Inhibitor 5‐Azacytidine Accelerates Postharvest Leaf Senescence in Pak Choi by Modulating Transcriptomic and Metabolomic Profiles

open access: yesFood Frontiers, Volume 6, Issue 2, Page 1027-1040, March 2025.
ABSTRACT The senescence of leafy vegetables is inherent and general after harvest. DNA methylation affects the senescence process of plant leaves. Limited studies have explored the impact of exogenous methylation inhibitors on postharvest vegetables and the mechanisms of their effects on the transcriptome and metabolome during storage.
Dan Wang   +12 more
wiley   +1 more source

Modular optimization of heterologous pathways for de novo synthesis of (2S)-naringenin in Escherichia coli. [PDF]

open access: yesPLoS ONE, 2014
Due to increasing concerns about food safety and environmental issues, bio-based production of flavonoids from safe, inexpensive, and renewable substrates is increasingly attracting attention.
Junjun Wu   +4 more
doaj   +1 more source

Development and Application of Polyphenols in Food: A Comprehensive Review

open access: yesFood Frontiers, EarlyView.
This review provides an in‐depth analysis of functional mechanisms and research trends in the application of polyphenol in food. ABSTRACT This review provides an in‐depth analysis of functional mechanisms and research trends in the application of polyphenol in food.
Yanpei Huang   +7 more
wiley   +1 more source

Electric Field Driven Torque in ATP Synthase [PDF]

open access: yesMiller, J.H., Jr., Rajapakshe, K.I., Infante, H.L. & Claycomb, J.R. Electric Field Driven Torque in ATP Synthase. PLoS ONE 8, e74978 (2013), 2013
Fo-ATP synthase (Fo) is a rotary motor that converts potential energy from ions, usually protons, moving from high- to low-potential sides of a membrane into torque and rotary motion. Here we propose a mechanism whereby electric fields emanating from the proton entry and exit channels act on asymmetric charge distributions in the c-ring, due to ...
arxiv   +1 more source

Application of Ferulic Acid to Alleviate Chilling Injury of Banana Fruit by Regulating Redox, Phenylpropanoid, and Energy Metabolism

open access: yesFood Frontiers, EarlyView.
This study investigated the effect of ferulic acid (FA) on the cold tolerance of banana fruit under 6°C‐storage for 7 days. In comparison with control, 3 mM FA treatment significantly alleviated chilling symptoms of banana fruit by enhancing phenylpropanoid metabolism and maintaining redox and energy homeostasis. ABSTRACT Banana fruit is susceptible to
Yu Hou   +9 more
wiley   +1 more source

Plant defense multigene families: I. Divergence of Fusarium solani-induced expression in Pisum and Lathyrus [PDF]

open access: yesarXiv, 2003
The defense response in plants challenged with pathogens is characterized by the activation of a diverse set of genes. Many of the same genes are induced in the defense responses of a wide range of plant species. How plant defense gene families evolve may therefore provide an important clue to our understanding of how disease resistance evolves ...
arxiv  

Fluorescent nanodiamonds for FRET-based monitoring of a single biological nanomotor FoF1-ATP synthase [PDF]

open access: yes, 2009
Color centers in diamond nanocrystals are a new class of fluorescence markers that attract significant interest due to matchless brightness, photostability and biochemical inertness. Fluorescing diamond nanocrystals containing defects can be used as markers replacing conventional organic dye molecules, quantum dots or autofluorescent proteins. They can
arxiv   +1 more source

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