Results 91 to 100 of about 209,148 (308)

Bacteria‐Responsive Nanostructured Drug Delivery Systems for Targeted Antimicrobial Therapy

open access: yesAdvanced Materials, EarlyView.
Bacteria‐responsive nanocarriers are designed to release antimicrobials only in the presence of infection‐specific cues. This selective activation ensures drug release precisely at the site of infection, avoiding premature or indiscriminate release, and enhancing efficacy.
Guillermo Landa   +3 more
wiley   +1 more source

Changes of Ascorbic Acid Contents in Various Market Forms of Spinach (Spinacea oleracea L.) during Postharvest Storage in Light and Dark Conditions

open access: yes, 2003
Changes in ascorbic acid contents in various market forms of spinach (Spinacia oleracea L.) during postharvest storage in light (20-25 μmole m^2 s^) and dark conditions were investigated.
UEDA, Yoshinori   +2 more
core  

Freeform Manufacturing of Plant‐Based Structural Colors for Scalable Photonic and Mechanochromic Devices

open access: yesAdvanced Materials, EarlyView.
A green, freeform manufacturing approach that utilizes robust aqueous two‐phase systems to create intricate and scalable photonic structures and non‐planar mechanochromic hydrogel actuators from plant‐based hydroxypropyl cellulose. This approach broadens the structural possibilities of sustainable photonic devices and mechanochromic systems, offering ...
Xiao Song   +14 more
wiley   +1 more source

Síntese enzimática de ascorbil oleato em sistema assistido por ultrassom [PDF]

open access: yes, 2015
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia de Alimentos, Florianópolis, 2015.Os antioxidantes são amplamente utilizados em alimentos e cosméticos para controlar o processo ...
Silveira, Camila
core  

Recent Progress in the Phase‐Controlled Synthesis of Ruthenium Nanocrystals for Catalytic Applications

open access: yesAdvanced Materials, EarlyView.
Template effect and kinetic control enable crystal‐phase engineering of Ru nanocrystals, granting access to either metastable fcc‐Ru or stable hcp‐Ru with distinct surface structures, thermal stabilities, and catalytic behaviors. Moreover, the hcp‐Ru can further serve as an epitaxial template to direct Pd and Rh nanocrystals into the metastable hcp ...
Jianlong He   +3 more
wiley   +1 more source

The sodium-dependent ascorbic acid transporter family SLC23

open access: yes, 2013
Transporters for vitamin C and its oxidized form dehydroascorbic acid (DHA) are crucial to maintain physiological concentrations of this important vitamin that is used in a variety of biochemical processes.
Benjamin Clémençon   +15 more
core   +1 more source

Simultaneously Engineering the Amorphous Phase and Branch Morphology of High‐Entropy Alloy Nanomaterials for Enhanced Ethylene Glycol Oxidation

open access: yesAdvanced Materials, EarlyView.
Amorphous PdCuNiCoFe high‐entropy alloy nanobranches were developed through a versatile wet‐chemical synthetic strategy enabling simultaneous control of composition, phase, and morphology. The resulting amorphous PdCuNiCoFe nanobranches exhibit outstanding electrocatalytic performances for ethylene glycol oxidation (EGOR), delivering high selectivity ...
Biao Huang   +11 more
wiley   +1 more source

Pinus sylvestris L. and other conifers as natural sources of ascorbic acid [PDF]

open access: yesJournal of Pharmacy & Pharmacognosy Research, 2018
Context: There is a widespread opinion that needles of conifers are a good source of ascorbic acid and may help to cure and prevent scurvy. Aims: To determine the content of ascorbic acid in needles and shoots of Pinus sylvestris, Picea abies ...
Ain Raal, Katrin Nisuma, Andres Meos
doaj  

Simultaneous Determination of Gallic Acid and Ascorbic Acid Using First Derivative Zero-Crossing Spectrophotometric Technique

open access: yesZanco Journal of Pure and Applied Sciences, 2019
A new spectrophotometric method was used for simultaneous determination of gallic acid and ascorbic acid depending on the first derivative zero-crossing technique.
Hemn A. Qader   +3 more
doaj   +1 more source

CTAB and 4-Nitroaniline Modified Montmorillonite: A Platform for Nanomolar Detection of Dopamine, Uric Acid and Ascorbic Acid [PDF]

open access: yes
In this work sodium montmorillonite clay (NaMMT) was organomodified with cationic surfactant molecule Cetyltrimethyl Ammonium Bromide (CTAB) and 4-Nitroaniline (4NA).
Pradyumna Goswami
core   +1 more source

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