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Advances in chemistry research. Volume 7 /
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
New York :
Nova Science Publishers,
2011.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- ADVANCES IN CHEMISTRY RESEARCH. VOLUME 7; ADVANCES IN CHEMISTRY RESEARCH. VOLUME 7; CONTENTS ; PREFACE ; TWO-STEP SYNTHESIS OF MLM-TYPE STRUCTURED LIPIDS USING ENZYMATIC OR COMBINED ENZYMATIC AND CHEMICAL REACTIONS ; ABSTRACT ; 1. INTRODUCTION ; Synthesis of Structured Lipids: State of the Art ; 2. SYNTHESIS OF MLM-TYPE STRUCTURED LIPIDS USING CHEMICAL HOMOGENEOUS OR HETEROGENEOUS ROUTES ; 2.1. One-Step Synthesis of MLM Tag ; 2.1.1. Homogeneous catalysis ; 2.1.2. Heterogeneous catalysis ; 2.2. Two- (or More) Step Synthesis of MLM TAG ; 2.2.1. Homogeneous catalysis.
- 2.2.1.1. Synthesis of MAG by glycerolysis of triglycerides 2.2.1.2. Synthesis of MAG by glycerolysis of methyl esters ; 2.2.1.3. Synthesis of MAG using protected glycerols ; 2.2.2. Heterogeneous catalysis ; 2.2.2.1. Synthesis of MAG by glycerol esteri cation ; 2.2.2.2. Synthesis of MAG by transesteri cation of glycerol ; 2.2.2.3. Synthesis of structured lipids ; 3. ENZYMATIC SYNTHESIS OF MLM-TYPE STRUCTURED LIPIDS ; 3.1. One Step Enzymatic Acidolysis of Selected Triglycerides ; 3.2. Two-Step Enzymatic Synthesis of Selected Triglycerides ; 3.2.1. Synthesis by 1,3 Diacylglycerol or 1,3 DAG.
- 3.2.1.1. The First step to produce 1,3 DAG 3.2.1.1.1. Esterification of glycerol with selected 1,3 specific lipases ; 3.2.1.1.2. Glycerolysis of a desired triglyceride substrate ; 3.2.1.2. The Second step esterification with non-specific lipases in sn-2 position of 1,3 DAG ; 3.2.2. From selected triglycerides ; 3.2.2.1. The First step. Methanolysis or ethanolysis of a selected triglyceride with a 1,3 specific lipase ; 3.2.2.2. The Second step. Esterification/transesterification with FA/FAME or FAEE of the 2- mono acylglycerol (2 MAG) with a 1,3 specific lipase.
- 4. CHEMO-ENZYMATIC SYNTHESIS OF SST CONCLUSION ; ACKNOWLEDGMENTS ; REFERENCES ; ADVANCES IN POLY (TETRAFLUOROETHYLENE) IMPROVED COMPOUNDS-STRUCTURE, PROPERTIES AND APPLICATIONS ; ABSTRACT ; 1. INTRODUCTION ; 2. EXPERIMENTAL ; 2.1. Materials ; 2.2. Grafting Techniques ; Radiation grafting ; Plasma grafting (Figure 1) ; 2.3. Preparative Techniques ; Preparation of grafted copolymer-metal complexes ; Oxidation of Cyclohexene ; Enzyme immobilization ; 2.4. Analyses ; Characteristics of the copolymers and membranes there from ; IR spectroscopy ; Moessbauer spectroscopy.
- X-ray photoelectron spectroscopy (XPS) X-ray analysis ; Light polariozation microscopy ; Scanning electron microscopy; Thermal analysis ; GC/MS analysis ; 3. RESULTS AND DISCUSSION ; 3.1. Radiation Grafting ; 3.2. Plasma Grafting ; C1s bands ; N1s bands ; O1s bands ; F1s bands ; 3.3. Characterization of the Polymer-Supported Complexes Preparing by Radiation and Plasma Grafting ; Oxidation of cyclohexene ; 3.4. Immobilization ; CONCLUSION ; REFERENCES ; THE ROLE OF PTFE IN TRIBOLOGICAL PROPERTIES OF POLYIMIDE COMPOSITES ; ABSTRACT ; 1. INTRODUCTION.