Results 1 to 10 of about 5,911 (183)
Sulfonation of Hydroxymethylated Lignin and Its Application
Journal of Bioresources and Bioproducts, 2019 To valorize kraft lignin, hydroxymethylation and sulfonation were applied on this under-utilized, but vastly available, material. The hydroxymethylation pretreatment was conducted as means to improve the reactivity of lignin.
Weijue Gao, Pedram Fatehi
exaly +3 more sources
Synthesis and characterization of sulfonated poly(ether imide) with higher thermal stability and effect on CO2, N2, and O2 permeabilities [PDF]
Materials Research, 2014 An experimental design in different reaction conditions was applied to modify poly(ether imide), PEI, by sulfonation using acetyl sulfate. Higher temperatures and reaction times led to higher ion exchange capacity.
Michelle S. V. Chã +5 more
doaj +1 more source
Chalcone suppresses tumor growth through NOX4-IRE1α sulfonation-RIDD-miR-23b axis
Redox Biology, 2021 Chalcone is a polyphenolic compound found abundantly in natural plant components. They have been acclaimed as potential antitumor compounds in multiple tumor cells. However, not much attention has been paid to elucidate its antitumor mechanism of action.
Hyun-Kyoung Kim +8 more
doaj +1 more source
Indonesian Journal of Chemistry, 2021 In Indonesia, the composition of waste has gradually changed over time. To reduce expanded polystyrene (EPS) foam waste, we converted it into a heterogeneous acid catalyst, namely Polystyrene Sulfonic Acid (PSSA).
Renita Manurung +5 more
doaj +1 more source
Determination of Sulfonation Conditions of HAB as a By-product of Linear Alkylbenzene Production [PDF]
Journal of Petroleum Science and Technology, 2015 Heavy alkylated benzene (HAB), which is a by-product in linear alkylbenzene (LAB) production by UOP process, is separated by distillation from LAB and consists of a range of components such as polyalkylbenzenes, diphenylalkanes, alkyl tetralins, and ...
Amir Nasser Ahmadi +2 more
doaj +1 more source
Frontiers in Pharmacology, 2021 Formononetin is one of the main active compounds of traditional Chinese herbal medicine Astragalus membranaceus. However, disposition of formononetin via sulfonation pathway remains undefined.
Fanye Liu +10 more
doaj +1 more source
Study on polyethylene-based carbon fibers obtained by sulfonation under hydrostatic pressure
Scientific Reports, 2021 Polyethylene based carbon fibers were studied using high density polyethylene(HDPE) fibers and linear low density polyethylene(LLDPE) fibers with various melt flow index.
Jong Hyun Eun, Joon Seok Lee
doaj +1 more source
International Journal of Electrochemical Science, 2016 The sulfonic acid groups in SPEEK proton exchange membranes are belonging to hydrophilic groups, which are generally affect the performance of the proton conductivity, methanol permeability and anti- swelling properties.
Fengying Yu, Jiajie Hu
doaj +1 more source
Sulfonated electrospun polystyrene as cation exchange membranes for fuel cells
Energy Reports, 2020 Fuel cells are one of important renewable energy sources represent scientific trends of contemporary researches that seek to find better alternatives to solve the negatives of organic fuels and biological damage to humans, environment and atmosphere. The
Noor M. Jalal +3 more
doaj +1 more source
The host cell sulfonation pathway contributes to retroviral infection at a step coincident with provirus establishment. [PDF]
PLoS Pathogens, 2008 The early steps of retrovirus replication leading up to provirus establishment are highly dependent on cellular processes and represent a time when the virus is particularly vulnerable to antivirals and host defense mechanisms.
James W Bruce +2 more
doaj +1 more source