scholarly journals Liquid-liquid equilibria in solutions with potential ecological importance

2010 ◽  
Vol 75 (8) ◽  
pp. 1161-11165
Author(s):  
Zoran Visak

In the last three years, our research follows two main issues, defined by the slogans: ?Green Meets Toxic? and ?Green Meets Green?. The first issue considers the potential use of ambient friendly solvents for toxic organic compounds of industrial and practical importance. The other is related to liquid phase behavior in solutions of ecologically sustainable substances. The ?Green? solvents studied are: ionic liquids, liquid poly(ethylene glycol), glycerol and 1,2 and 1,3-propanediol.

2021 ◽  
Vol 9 (8) ◽  
pp. 4679-4686
Author(s):  
Coby J. Clarke ◽  
Richard P. Matthews ◽  
Alex P. S. Brogan ◽  
Jason P. Hallett

Gels prepared from metal containing ionic liquids with cross-linked poly(ethylene glycol) have surface compositions and mechanical properties that can be controlled by Lewis basicity and acidity of the metal species.


Nitric Oxide ◽  
2004 ◽  
Vol 11 (3) ◽  
pp. 263-272 ◽  
Author(s):  
Amedea Barozzi Seabra ◽  
Gabriela Freitas Pereira de Souza ◽  
Lilian Lúcia da Rocha ◽  
Marcos Nogueira Eberlin ◽  
Marcelo Ganzarolli de Oliveira

Author(s):  
Shamo Zokhrab Tapdiqov

Doxycycline was loaded with synthesized micelles composed of methyl Poly (ethylene glycol-block-poly (L-alanine–co–L-aspartate), or mPEG–Ala–Asp, and then characterized as a drug delivery carrier. The synthesis of the temperature-sensitive mPEG–Ala–Asp block copolymer was carried out by two-step ring-opening polymerization: firstly, the mPEG reacts with L-alanine N-carboxylic anhydride, and secondly the resulting mPEG–Ala reacts with benzyl aspartate N-carboxylic anhydride. The molecular structure of the copolymers obtained was determined by FT-IR and NMR spectroscopy methods and the micelles were characterized by SEM, TEM and DLS, respectively. The controlled release of Dox from hydrogel in the presence of PBS (8 to 9% by weight) lasts 6 to 7 days exhibiting stable release rates. The drug release mechanisms were studied: Higuchi and zero order models. The results and correlation coefficients applied to the Higuchi and zero-order models. The findings show the potential use of mPEG–Ala–Asp as an effective depot matrix to deliver anthracycline class drugs.


2019 ◽  
Vol 31 (8) ◽  
pp. 1798-1800
Author(s):  
K. Ramesh ◽  
S. Shylaja ◽  
S. Ramgopal ◽  
A. Sambashiva Rao ◽  
K.C. Rajanna

Poly(ethylene glycol) (PEG) supported metal nitrates such as ferric nitrate and manganese nitrate were accomplished as well-organized reagents for Hunsdiecker conversion of α,β-unsaturated acids to β-nitrostyrenes under acid-free and solvent free conditions using grind-stone technique. However, in the case of unsaturated aliphatic acids, nitro alkene derivatives were obtained as products. PEG-400 was found the best among the other PEGs (PEG-200,300, 400, 600, 3000 and 6000) used in this protocol.


1999 ◽  
Vol 64 (14) ◽  
pp. 5188-5192 ◽  
Author(s):  
Frank Sieber ◽  
Paul Wentworth ◽  
Jonathan D. Toker ◽  
Anita D. Wentworth ◽  
William A. Metz ◽  
...  

2008 ◽  
Vol 10 (2) ◽  
pp. 248-250 ◽  
Author(s):  
Chuan Wu ◽  
Jiajian Peng ◽  
Jiayun Li ◽  
Ying Bai ◽  
Yingqian Hu ◽  
...  

Molecules ◽  
2000 ◽  
Vol 5 (12) ◽  
pp. 1018-1032 ◽  
Author(s):  
Frank Sieber ◽  
Paul Wentworth ◽  
Kim Janda

2010 ◽  
Vol 48 (11) ◽  
pp. 2388-2409 ◽  
Author(s):  
Sergey A. Chesnokov ◽  
Marya Yu. Zakharina ◽  
Alexander S. Shaplov ◽  
Elena I. Lozinskaya ◽  
Inna A. Malyshkina ◽  
...  

2006 ◽  
Vol 7 (7) ◽  
pp. 692-698 ◽  
Author(s):  
Kazunori Nakashima ◽  
Jun Okada ◽  
Tatsuo Maruyama ◽  
Noriho Kamiya ◽  
Masahiro Goto

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