Results 71 to 80 of about 364,249 (357)

Controlled Aggregation of Pyrene‐Based Supramolecular Nanostructures for Light‐Driven Switchable H2 or H2O2 Production

open access: yesAdvanced Functional Materials, EarlyView.
This work reports the self‐assembly of a pyrene derivative into two distinct nanostructures and their application in visible‐light photocatalysis. The two nanostructures exhibit completely different yet complementary photocatalytic activities, promoting either H2 or H2O2 evolution.
Marianna Barbieri   +6 more
wiley   +1 more source

An investigation on interaction between trehalose and ascorbic acid on some growth parameters and photosynthetic gene expression in Arabidopsis thaliana seedlings [PDF]

open access: yesZīst/shināsī-i Giyāhī-i Īrān, 2014
Trehalose is an α-α linked glucose disaccharide. Trehalose supplied to the growth medium of Arabidopsis seedlings inhibits root growth, primary leaf development and carbon allocation from shoot to root.
Hamid Sadeghipour   +3 more
doaj  

MITIGATION OF CLIMATE CHANGE ADVERSE EFFECT BY ACCELERATING FENNEL GROWTH AND FLOWERING [PDF]

open access: yesScientific Journal of Flowers and Ornamental Plants, 2016
The present experiment was conducted during 2014/2015 and 2015/2016 seasons in the Farm of Medicinal and Aromatic Plants Research Department in El Kanater El Khairia, Egypt to study the effect of ascorbic acid (AA) and citric acid (CA) individually and ...
Salwa Awad Alla, Soad Salem
doaj   +1 more source

The Effect of Configuration to Interaction Energy Between The Segments of Chitosan and Ascorbic Acid Molecule: Theoretical Study of Drug Release Control [PDF]

open access: yes, 2015
Polymer systems plays an important role in drug delivery, which can control the time release of the drug, reduce the rate of degradation of the drug, and can reduce the toxic properties of the drug.
Hildayani, Suci Zulaikha   +1 more
core  

Bimetallic Nanoparticles as Cocatalysts for Photocatalytic Hydrogen Production

open access: yesAdvanced Functional Materials, EarlyView.
Recent developments have introduced bimetallic nanoparticles as effective cocatalysts for photocatalytic systems. This review explores the rapidly expanding research on bimetallic cocatalysts for photocatalytic production of hydrogen, emphasizing the creation of carrier‐selective contacts, localized surface plasmon resonance effects, methodologies for ...
Yufen Chen   +4 more
wiley   +1 more source

Measurement of ascorbic acid in Australian native plants [PDF]

open access: yes, 2011
Ascorbic acid is one of the compounds found in a number of commercially important native plants fruits e.g. Kakadu plum, wild lime and bush tomato. High performance liquid chromatography (HPLC) was used to determine ascorbic acid in these native plant ...
Caffin, N.   +3 more
core  

Dual‐Nanoparticle Engineered Hydrogel Reverses Bicellular Oxidative Stress to Accelerate Diabetic Fracture Healing

open access: yesAdvanced Functional Materials, EarlyView.
CD105‐LNPs and PS‐LNPs can deliver α‐lipoic acid to bone marrow mesenchymal stem cells and bone marrow‐derived macrophages, reversing high glucose‐induced oxidative stress while enhancing osteogenesis and M2 polarization. Integrating both nanoparticles into glucose‐responsive hyaluronic acid hydrogel forms DLNPs@HA hydrogel, which accelerates diabetic ...
Yanzhi Zhao   +11 more
wiley   +1 more source

The invertebrate Caenorhabditis elegans biosynthesizes ascorbate. [PDF]

open access: yes, 2015
l-Ascorbate, commonly known as vitamin C, serves as an antioxidant and cofactor essential for many biological processes. Distinct ascorbate biosynthetic pathways have been established for animals and plants, but little is known about the presence or ...
Adler, Lital N   +5 more
core   +2 more sources

Wavelength‐Dependent Differential Amplification of Raman Scattering by Chiral Gold Nanorods for Multiplexed Encoding

open access: yesAdvanced Functional Materials, EarlyView.
The SERS spectra of reporter molecules adsorbed on chiral gold nanorods depends on the handedness of circularly polarized light (CPL‐SERS). The bisignate plasmonic CD spectra of chiral nanorods provides wavelength‐dependent CPL‐SERS. Selective discrimination of chiral nanorod handedness and different Raman reporters allow highly sensitive codification ...
Andrés Serrano‐Freijeiro   +9 more
wiley   +1 more source

Higher serum ascorbic acid levels are associated with lower depression prevalence in US adults: a case-control study

open access: yesFrontiers in Nutrition
BackgroundRecent studies have shown that a higher intake of ascorbic acid was associated with a lower prevalence of depression. Nevertheless, the recall bias was common in dietary surveys in these studies, and it was ignored that there were differences ...
Mengyuan Chen   +11 more
doaj   +1 more source

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