scholarly journals High-Performance Chromatographic Characterization of Surface Chemical Heterogeneities of Fluorescent Organic–Inorganic Hybrid Core–Shell Silica Nanoparticles

ACS Nano ◽  
2019 ◽  
Author(s):  
Thomas C. Gardinier ◽  
Ferdinand F. E. Kohle ◽  
James S. Peerless ◽  
Kai Ma ◽  
Melik Z. Turker ◽  
...  
Keyword(s):  
Silica Nanoparticles ◽  
High Performance ◽  
Core Shell ◽  
Surface Chemical ◽  
Inorganic Hybrid ◽  
Chromatographic Characterization

Controlling Surface Chemical Heterogeneities of Ultrasmall Fluorescent Core–Shell Silica Nanoparticles as Revealed by High-Performance Liquid Chromatography

2019 ◽  
Vol 123 (37) ◽  
pp. 23246-23254 ◽  
Author(s):  
Thomas C. Gardinier ◽  
Melik Z. Turker ◽  
Joshua A. Hinckley ◽  
William P. Katt ◽  
Naedum DomNwachukwu ◽  
...  
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
Silica Nanoparticles ◽  
High Performance ◽  
Core Shell ◽  
Surface Chemical

High-performance liquid chromatographic characterization of monofluorophosphate, difluorophosphate and hexafluorophosphate

1994 ◽  
Vol 664 (1) ◽  
pp. 111-116 ◽  
Author(s):  
Norimasa Yoza ◽  
Sachiko Nakashima ◽  
Nobuyuki Ueda ◽  
Tohru Miyajima ◽  
Terumasa Nakamura ◽  
...  
Keyword(s):  
High Performance ◽  
High Performance Liquid Chromatographic ◽  
Chromatographic Characterization ◽  
Liquid Chromatographic

scholarly journals Chromatographic characterization of products isolated from chrome shavings

1999 ◽  
Vol 42 (3) ◽  
pp. 281-290
Author(s):  
Edivaldo E Garcia ◽  
Cláudia C.M Kimura ◽  
Ariovaldo C Martins ◽  
Gisele O Rocha ◽  
Jorge Nozaki
Keyword(s):  
Amino Acids ◽  
Molecular Weight ◽  
High Performance Liquid Chromatography ◽  
High Performance ◽  
Chemical Characterization ◽  
Gel Permeation Chromatography ◽  
Gel Permeation ◽  
Chromatographic Characterization ◽  
Free Aminoacids

Gel permeation chromatography and high performance liquid chromatography were employed for separation and chemical characterization of products isolated from chrome shavings. After enzymatic hydrolysis, the products isolated were peptides of higher molecular weight. Peptides of lower molecular weight and free aminoacids were the main products using sulfuric acid in chrome shavings solubilization. Glycine (17%) , glutamic acid (10.6%) , alanine (9.2%) , and arginine (8.2%) were the principal amino acids found. Phenylalanine(1.8%) was the main aromatic amino acid , while tryptophane was completely absent.

Synthesis and characterization of core-shell europium(III)-silica nanoparticles

2008 ◽  
Vol 10 (7) ◽  
pp. 1221-1224 ◽  
Author(s):  
Harri Härmä ◽  
Christina Graf ◽  
Pekka Hänninen
Keyword(s):  
Silica Nanoparticles ◽  
Synthesis And Characterization ◽  
Core Shell

SYNTHESIS AND CHARACTERIZATION OF Si3N4@Al(OH)3–Y(OH)3 CORE-SHELL COMPOSITE PARTIC3LES

2008 ◽  
Vol 15 (05) ◽  
pp. 581-585 ◽  
Author(s):  
JIE-GUANG SONG ◽  
GANG-CHANG JI ◽  
SHI-BIN LI ◽  
LIAN-MENG ZHANG
Keyword(s):  
High Temperature ◽  
High Performance ◽  
Ceramic Materials ◽  
Composite Particles ◽  
Core Shell ◽  
High Temperature Strength ◽  
Bet Analysis ◽  
Co Precipitation ◽  
Shell Composite

Silicon nitride ( Si 3 N 4) has attracted substantial interest because of its extreme chemical and physical properties, but the sintering densification of Si 3 N 4 is difficult, and it is easily oxidized in the high-temperature air to impact high-temperature strength, which restricts its applied range. In order to decrease the oxidization and improve the strength of Si 3 N 4 at high temperature, the surface of Si 3 N 4 is coated with Al ( OH )3 and Y ( OH )3 to synthesis Si 3 N 4@ Al ( OH )3– Y ( OH )3 core-shell composite particles. Through TEM, XRD, and BET analysis, when pH is about 9, Si 3 N 4@ Al ( OH )3– Y ( OH )3 core-shell composite particles are successfully synthesized by co-precipitation methods. Coating layer is about 200 nm, which is compaction and conformability. Dispersion of coated Si 3 N 4 with Al ( OH )3 and Y ( OH )3 particles are very good. Synthesis of Si 3 N 4@ Al ( OH )3– Y ( OH )3 core-shell composite powder will lay the foundation for preparing high-performance YAG/Si 3 N 4 multiphase ceramic materials.

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