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Network Degradation Assessed by Evolved Gas Analysis-Mass Spectrometry Combined with Principal Component Analysis (EGA-MS-PCA): A Case of Thermo-Oxidized Epoxy/Amine Network
ULTRAVIOLET-IRRADIATION MECHANICAL-PROPERTIES BUTADIENE RUBBER EPOXY-RESINS TEMPERATURE PYROLYSIS COATINGS TRANSITION OXIDATION SCISSION
2023/11/16
To study the degradation of thermosetting polymers, we apply a novel method to simultaneously study the chemical structural changes and network topology: evolved gas analysis-mass spectrometry combine...
X-ray and UV Dual Photochromism, Thermochromism, Electrochromism, and Amine-Selective Chemochromism in an Anderson-like Zn7 Cluster-Based 7-Fold Interpenetrated Framework（图）
Anderson Zn7簇 光致变色 热致变色 电致变色
2023/3/28
Smart materials are highly desirable over the recent decade due to the growing demand of complicated nature. Stable stimuli-responsive smart materials exhibit widespread potential for applications in ...
Improved Screening Procedure for Biogenic Amine Production by Lactic Acid Bacteria and Enterobacteria
amino acid decarboxylase monolayer culture
2015/3/4
An improved screening procedure was developed for the detection of amino acid decarboxylase-positive microorganisms
(especially lactic acid bacteria and Enterobacteria). Monolayer culture and double...
Growth and Biogenic Amine (Histamine and Tyramine) Potential of Probiotic Lactobacillus casei in Skim Milk
Growth and Biogenic Amine Probiotic Lactobacillus
2016/6/2
The growth and biogenic amines (histamine and tyramine) potential of decarboxylase positive probiotic Lactobacillus casei (TISTR 389) was studied in skim milk. Fermentation was followed for 48 h at 37...
Polyvinyl amine coated Fe3O4@SiO2 magnetic microspheres for Knoevenagel condensation
Basic magnetic catalyst Fe3O4 nanoparticle Polyvinyl amine Knoevenagel condensation
2014/3/11
Polyvinyl amine coated Fe3O4@SiO2 composite microspheres with a core-shell structure were prepared and employed as a magnetic catalyst for Knoevenagel condensation under mild conditions. The catalyst ...
Irradiated Chinese Rugao ham: Changes in volatile N-nitrosamine, biogenic amine and residual nitrite during ripening and post-ripening
Chinese Rugao ham c-Irradiation Residual nitrite Biogenic amine N-nitrosamines
2012/8/13
N-nitrosamines, biogenic amines and residual nitrite are harmful substances and often present in cured meat. The effects of gamma-irradiation (c-irradiation) on these chemicals in dry-cured Chinese Ru...
Interaction of Benzoate-type Ultraviolet Absorbers with Hindered Amine Light Stabilizers
HALS HALS nitrosonium Photo-antioxidant activity Benzoate-type UVA
2009/8/4
The interaction of benzoate-type ultraviolet absorbers (UVA) with hindered amine light stabilizers (HALS) was investigated. Benzoate-type UVA showed antagonism or synergism with HALS, depending on th...
Synergism between Hydrogen Bond-type Ultraviolet Absorbers and Hindered Amine Light Stabilizers
HALS UVA Photo-antioxidant activity Antagonism Synergism
2009/8/4
The synergism of hydrogen bond-type ultraviolet absorbers (UVA), such as phenyl salicylate and benzotriazole type UVA, and hindered amine light stabilizers (HALS) was investigated and compared with t...
Search for Unified Action Mechanism of Hindered Amine Light Stabilizers
HALS HALS nitrosonium Synergism Antagonism Action mechanism
2009/8/4
Hindered amine light stabilizers (HALS) possess many functions unlike other additives and are frequently used to extend the service life of polymeric materials, but show particular compatibility with...
Interaction of Hindered Amine Light Stabilizers and Ultraviolet Absorbers
HALS UVA Antagonism Synergism Photo-oxidation Quinone
2009/8/4
The reason is discussed, why ultraviolet absorbers (UVA) having phenolic moiety show the synergism with HALS apparently, on the contrarily to phenolic antioxidants. A HALS nitrosonium is a substrate ...
Influence of Ultraviolet Absorbers on Decomposition of Hydroperoxide by Hindered Amine Light Stabilizers
Hydroperoxide Decomposition HALS UVA Synergism
2009/8/4
The interaction between hindered amine light stabilizers (HALS), and ultraviolet absorbers (UVA) was investigated, in order to clarify the reason why they generally show synergism, although UVA belong...
Interaction between Nitroxide of Hindered Amine Light Stabilizers and Phenol
HALS Phenol Antagonism HALS nitrosonium HALS nitroxide
2009/8/4
The antagonism between nitroxides of hindered amine light stabilizers (HALS NO) and phenolic antioxidants, such as 2,6-di-t-butyl-4-methylphenol (BHT), was investigated. Identification of the reactio...
Rapid Solvent Extraction of Gold(III) with High Molecular Weight Amine from Organic Acid Solution
Analytical Chemistry Laboratory, Department of Chemistry, Shivaji University
2009/7/29
A novel solvent extraction separation method has been developed for the determination of gold in realsamples. It involves selective and quantitative extraction of gold by N-n-octylaniline, a high mole...
New Antagonism of Hindered Amine Light Stabilizers with Acidic Compounds Including Phenolic Antioxidants (Part 2) Formation Mechanism of Active Species of Peroxide Decomposition Reaction
HALS Phenolic antioxidant Antagonism Nitrosonium salt
2009/7/27
The effect of acidic compound on the formation of active species in homolytic hydroperoxide decomposition by hindered amine light stabilizers (HALS) was studied. The hydroperoxide decomposition activ...
Extraction and Separation of Cadmium and Zinc with a Mixture of Di-(2-Ethylhexyl)- Dithiophosphoric Acid and Trioctyl Amine
Zinc Separation Extraction
2009/4/21
The extraction of cadmium and zinc with di-(2-ethylhexyl)-dithiophosphoric acid (D2EHDTPA) -toluene and D2EHDTPA-triocty amine (TOA)-toluene has been investigated. Infrared spectrum analysis, the nuc...