Results 71 to 80 of about 5,782,140 (394)

Nitrosation and Nitration of Fulvic Acid, Peat and Coal with Nitric Acid. [PDF]

open access: yesPLoS ONE, 2016
Nitrohumic acids, produced from base extraction of coals and peats oxidized with nitric acid, have received considerable attention as soil ammendments in agriculture. The nitration chemistry however is incompletely understood.
Kevin A Thorn, Larry G Cox
doaj   +1 more source

Endothelial nitric oxide synthase activity involves in the protective effect of ascorbic acid against penicillin-induced epileptiform activity [PDF]

open access: yes, 2010
Ascorbic acid and nitric oxide are known to play important roles in epilepsy. The aim of present study was to identify the involvement of nitric oxide (NO) in the anticonvulsant effects of ascorbic acid on penicillin-induced epileptiform activity in rats.
Agar, Erdal   +2 more
core   +1 more source

Stable Radical Polymers as New Electroactive Materials: Synthesis, Properties, and Emerging Applications

open access: yesAdvanced Functional Materials, EarlyView.
This review covers the recent advances in the synthesis and properties of stable radical polymers (SRPs) and presents their applications in electronics, magnetics, optoelectronics, and biomedicines. The review concludes with a discussion of the challenges in radical chemistry and functionalization, while shedding light on the groundbreaking potential ...
Yufeng Xiong   +11 more
wiley   +1 more source

Rapid analysis of minerals in oysters using microwave decomposition and inductively coupled plasma atomic emission spectrometry

open access: yesAquaculture Reports, 2021
Oysters are rich in nutrients and can be cultivated in oceans; therefore they have attracted considerable interest as a food source. In this study, we investigated the rapid analysis of multiple minerals in oysters using microwave decomposition combined ...
Tsuyoshi Yoda   +2 more
doaj  

Self‐Cascade Catalytic Reaction–Assisted Apoptosis/Calcicoptosis/Ferroptosis Induction with Microsphere‐Aggregated Hydrogels in Triple‐Negative Breast Cancer Therapy

open access: yesAdvanced Functional Materials, EarlyView.
Hyaluronic acid‐dopamine‐based intra‐crosslinked microsphere including cisplatin (HPC MS) is fabricated by spray‐drying and calcium/iron ions are introduced for interparticle crosslinking. Designed microsphere‐aggregated hydrogel (MAH) system including cisplatin/CaO2/FeSO4 can provide apoptosis/calcicoptosis/ferroptosis‐mediated chemo/cascade ...
ChaeRim Hwang   +6 more
wiley   +1 more source

Stable, efficient p-type doping of graphene by nitric acid

open access: yes, 2016
We systematically dope monolayer graphene with different concentrations of nitric acid over a range of temperatures, and analyze the variation of sheet resistance after vacuum annealing up to 300 °C.
Lorenzo D'Arsié   +7 more
semanticscholar   +1 more source

Citric Acid Passivation of Stainless Steel [PDF]

open access: yes, 2009
Passivation is a process for cleaning and providing corrosion protection for stainless steel. Currently, on Kennedy Space Center (KSC), only parts passivated with nitric acid are acceptable for use.
Carl, Chad   +3 more
core   +1 more source

Making Photoresponsive Metal–Organic Frameworks an Effective Class of Heterogeneous Photocatalyst

open access: yesAdvanced Functional Materials, EarlyView.
This review summarizes photoresponsive MOFs for photocatalytic applications, focusing on their capacity to enhance light harvesting, charge transfer, and surface reactions. While existing studies provide foundational insights, emerging characterization techniques enable a deeper understanding of photoresponsive MOFs.
Rui Liu   +3 more
wiley   +1 more source

Acidic Peptizing Agent Effect on Anatase-Rutile Ratio and Photocatalytic Performance of TiO2 Nanoparticles

open access: yesNanoscale Research Letters, 2018
TiO2 nanoparticles were synthesized from titanium isopropoxide by a simple peptization method using sulfuric, nitric, and acetic acids. The effect of peptizing acid on physicochemical and photocatalytic properties of TiO2 powders was studied.
Hatem A. Mahmoud   +3 more
doaj   +1 more source

An observational prospective study of topical acidified nitrite for killing methicillin-resistant Staphylococcus aureus (MRSA) in contaminated wounds [PDF]

open access: yes, 2011
Background Endogenous nitric oxide (NO) kills bacteria and other organisms as part of the innate immune response. When nitrite is exposed to low pH, NO is generated and has been used as an NO delivery system to treat skin infections.
A Ghaffari   +30 more
core   +4 more sources

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