|
|
|
|
|
Sahar Fatima, Muhammad Imran, Farah Kanwal, Ayesha Javaid, Shoomaila Latif and Grzegorz Boczkaj
In this work, polymeric microspheres derived from polystyrene-co-methyl methacrylate embedded with magnetic ZnO nanoparticles (poly(styrene-co-MMA)-3MPS-Fe (ZnO)) were synthesized using the suspension polymerization method. The surfaces of polymeric Fe(Z...
ver más
|
|
|
|
|
|
|
|
|
|
|
H. R. Robles-Jimarez, N. Jornet-Martínez and P. Campíns-Falcó
This paper aims to provide improved selectivity and sensitivity with a short analysis time of about 10 min and low residues for quantitation of nitrite and nitrate in waters by liquid chromatography. Ion-pair formation and ion exchange retention mechanis...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jiabei Xia, Xingyu Mei, Huan Cheng, Shiguo Chen, Xingqian Ye and Jianle Chen
The rhizome of Polygonatum, which has been consumed in China for nearly 2000 years, is rich in oligosaccharides, polysaccharides, saponins, and alkaloids and has various effects such as lowering blood sugar and anti-aging. Its aerial parts are often disc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Muhammad Ahsan Iqbal, Humaira Asghar and Michele Fedel
A protective CoAl-layered double hydroxide (LDH) thin film was developed directly on the aluminum substrate. Further, the low-surface-energy molecules (1H, 1H, 2H, 2H perfluorododecyl trichlorosilane) were incorporated inside the LDH network through an a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Noa Miguez, Peter Kidibule, Paloma Santos-Moriano, Antonio O. Ballesteros, Maria Fernandez-Lobato and Francisco J. Plou
Chitooligosaccharides (COS) are homo- or hetero-oligomers of D-glucosamine (GlcN) and N-acetyl-D-glucosamine (GlcNAc) that can be obtained by chitosan or chitin hydrolysis. Their enzymatic production is preferred over other methodologies (physical, chemi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bruno de Gennaro, Paolo Aprea, Barbara Liguori, Barbara Galzerano, Antonio Peluso and Domenico Caputo
Natural zeolites are used as adsorbents in purification processes due to their cation-exchange ability and molecular sieve properties. Surface modified natural zeolites (SMNZs), produced by attaching cationic organic surfactants to the external surface, ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Marcel Riegel and Volker Schlitt
Uranium can occur naturally in groundwater which is used for drinking water production. Depending on its concentration levels, uranium elimination might become necessary. In German waterworks, anion exchange technology represents the state of the art for...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hohyoun Jang, Sabuj Chandra Sutradhar, Jiho Yoo, Jaeseong Ha, Jaeseung Pyo, Chaekyun Lee, Taewook Ryu and Whangi Kim
Polymers for application as sulfonated polyphenylene membranes were prepared by nickel-catalyzed carbon-carbon coupling reaction of bis(4-chlorophenyl)-1,2-diphenylethylene (BCD) and 1,4-dichloro-2,5-dibenzoylbenzene (DCBP). Conjugated cis/trans i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Affonso Celso Gonçalves Júnior, Herbert Nacke, Daniel Schwantes, Valfredo Tadeu de Fávere, Mauro Cesar Marghetti Laranjeira
Pág. 521 - 529
The development of a chitosan anion exchanger, obtained from shrimp shells, and its adsorption capacity for chloride, bromide, iodide and phosphate anions are provided. Dependence of exchange processes with the anions as a function of pH and contact time...
ver más
|
|
|
|
|
|
|
|
|
|
|
Eduardo Luiz Delmonico, Janksyn Bertozzi, Nilson Evelázio de Souza, Cláudio Celestino Oliveira
Pág. 513 - 519
The use of pesticides in agriculture is one of the current problems that may result in contamination of both ground and surface water and groundwater. Considering the environmental importance and the increasing use of herbicides in Maringá region, in the...
ver más
|
|
|
|
|
|