Results 51 to 60 of about 142,838 (307)

The effect of arsenic on pigment composition and photosynthesis in Hydrilla verticillata

open access: yesBiologia Plantarum, 2013
The present study evaluated the effects of 100 and 500 μM arsenate (Na2HAsO4) on pigment composition and photosynthesis in Hydrilla verticillata (L.f.) Royle. Arsenic accumulation increased in concentration and duration dependent manner.
S. Srivastava   +4 more
doaj   +1 more source

Dynamic Responses of Ascorbate Pool and Metabolism in Lettuce to Light Intensity at Night Time under Continuous Light Provided by Red and Blue LEDs

open access: yesPlants, 2021
To understand the dynamic changes of hydroponic lettuce growth, ascorbate (AsA) pool and metabolism under two different dark period light intensities (LL, 20 μmol·m−2·s−1; CL, 200 μmol·m−2·s−1) of continuous light and normal light (NL, 0 μmol·m−2·s−1 ...
Yuan Wen, Lingyan Zha, Wenke Liu
doaj   +1 more source

Cryo‐EM of Rationally Designed Photosystem I Nanoassembly on Graphene Validates Orientation‐Driven Enhancement of Photocatalytic Performance

open access: yesAdvanced Functional Materials, EarlyView.
The first cryo‐EM visualization and quantification of oriented Photosystem I (PSI) on single‐layer graphene is reported. Domain‐specific covalent anchoring of PSI, with the reducing side of the biophotocatalyst toward graphene, promotes three‐fold higher anodic photocurrent generation compared to a randomly physisorbed counterpart. This approach allows
Miriam Izzo   +6 more
wiley   +1 more source

Oligogalacturonides stimulate antioxidant system in alfalfa roots

open access: yesBiologia Plantarum, 2012
Alfalfa (Medicago sativa L.) roots were treated with 50 and 100 μg cm-3 of oligogalacturonide (OGA) solutions with a degree of polymerization between 7 and 15.
D. Camejo   +5 more
doaj   +1 more source

In Vitro Cell Density Determines the Sensitivity of Hepatocarcinoma Cells to Ascorbate

open access: yesFrontiers in Oncology, 2022
Hepatocellular carcinoma (HCC) is the primary histological subtype of liver cancer, and its incidence rates increase with age. Recently, systemic therapies, such as immune checkpoint inhibitors, monoclonal antibodies, and tyrosine kinase inhibitors (TKIs)
Hsiu-Lung Fan   +7 more
doaj   +1 more source

Latent acetylcholinesterase in secretory vesicles isolated from adrenal medulla [PDF]

open access: yes, 1981
A new procedure is described for the preparation of highly purified and stable secretory vesicles from adrenal medulla. Two forms of acetylcholinesterase, a membrane bound form as well as a soluble form, were found within these vesicles.
Abbs   +38 more
core   +1 more source

Spatially Resolved Click Patterning of Dyes on Graphene for 2D Hybrids with Regiotunable Fluorescence

open access: yesAdvanced Functional Materials, EarlyView.
Well‐structured graphene hybrid architectures featuring spatially resolved fluorescent properties represent a promising but so‐far elusive synthetic target. A robust and straightforward method for fabricating well‐organized graphene‐dye hybrid nanoassemblies through a combination of reductive patterning and conventional click chemistry is presented ...
Sabrin Al‐Fogra   +12 more
wiley   +1 more source

Development of a Genome-Edited Tomato With High Ascorbate Content During Later Stage of Fruit Ripening Through Mutation of SlAPX4

open access: yesFrontiers in Plant Science, 2022
Ascorbate is an essential antioxidant substance for humans. Due to the lack of ascorbate biosynthetic enzyme, a human must intake ascorbate from the food source.
Ju Hui Do   +7 more
doaj   +1 more source

Impact of Surface Functionalization on NV Quantum Properties: Implications for Biosensing with Fluorescent Nanodiamonds

open access: yesAdvanced Functional Materials, EarlyView.
Fluorescent nanodiamonds (fNDs) have emerged as an invaluable quantum sensing platform for biological and biochemical systems. This paper investigates the influence of common surface functionalization strategies for bioconjugation on the quantum properties of nitrogen vacancy (NV) centers in nanodiamonds.
Anja Sadžak   +6 more
wiley   +1 more source

Combined Effect of Melatonin and Sulfur on Alleviating Waterlogging Stress in Rapeseed

open access: yesPlant-Environment Interactions
Melatonin, a multifunctional, non‐toxic regulatory molecule, plays a crucial role in enhancing tolerance to abiotic stress, which is tightly linked to S metabolism.
Md Arif Hussain   +2 more
doaj   +1 more source

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