2.1.8.2. Absorbency Under Load (AUL) - BADA

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3.4.Ⅰ. Kinetic of Swelling…………………………………………………………........ 50 … 3.5.Ⅰ. Effect of Ionic Strength……………………………………………………....…..51 …. 3.6.Ⅰ. Absorbency Under Load (AUL)……………………………………………....…53 3 . 3.7.Ⅰ.Centrifuge Retention Capacity (CRC)…………………………………………....54 6 3.8.Ⅰ.Effect of temperature……………………………………………………………...55 …….3.9.Ⅰ.Effect of particle size……………………………………………………………...56 3 3.10.Ⅰ. FT-IR Spectroscopy Analysis of AP-Superabsorbent………….……………....56 …….PART Ⅱ … ……. ……3.1.Ⅱ.Determination of Zygomycetes Protein (Biuret Method)………….……………..58 …………Calculation……………………………………………………………..…….........59 … 3.2.Ⅱ.Determination of Zygomycetes Lipid Content…….……………….……….……59 ……3.3.Ⅱ. Extent of Chemical Modification.………………………………….………….....60 … 3.4.Ⅱ.Effect of Glutaraldehyde……………………………………………….….…..….60 ….. 3.5.Ⅱ. Effect of Buffer Solutions.….................................................................................61 ….. 3.6.Ⅱ. Kinetic of Swelling…………………………………………………….…...........62 … 3.7.Ⅱ. Effect of Ionic Strength…………………………………………………….…….64 …. 3.8.Ⅱ. Absorbency Under Load (AUL)…………………………………………………65 3 3.9.Ⅱ.FT-IR Spectroscopy Analysis of IZP-Superabsorbent……………………...........66 4. CONCLUSION…..………………………………………………………………………...68 4.1. Future works……………………….……………………..………………..….….....69 NOMENCLATUER …………………………………………………………………...….....70 REFERENCES………………………………………………………………………..…..….71 ……………………………………………………...Ⅶ
FIGURE CONTENTS 1- Linking amino acids together by peptide bonds to form a polypeptide Structure …….…….. 4 2- Four types of protein structure………………………………………………………….……. 5 3- Chemical structure of α-amino acids …………………………………………………………6 4- Ovalbumin Structure…………………………………………………………………………..9 5- Comparison of Amino acids between Albumin and Zygomycetes proteins…………………13 6- DLVO model for water uptake of two protein conformations. The random coil has minimum level of energy barrier for water uptake, so it can better absorb water compare to secondary structure with high level of energy barrier………………………………………………………16 7- Conversion of an amine to carboxylic acid with succinic anhydride……………………...…18 8- schematic structure of crosslinked and uncrosslinked polymers……………………………..19 9- Hydrogel formation of polysaccharides through cysteine-derivatization…………………….22 10- Three forms of high reactive molecules……………………………………………………..23 11- Crosslinking of polymers by γ-irradiation…………………………………………………..23 12- reaction of three types of crosslinker with protein,(a) crosslinking with hydroxyl groups, (b) crosslinking with amine groups,(c) crosslinking with vinyl groups…………………………24 13- (a) protein hydrogel degradation by cleavage of polymer backbone (b) cleavage of crosslinking agent (c) cleavage of pendant groups………………………………………………27 14- Five models of swollen superabsorbent hydrogel structures………………………….……..28 15- schematic diagram of basic steps protein extraction from zygomycetes……………………32 16- Retention capacity and Absorption under load as a function of crosslink density of the superabsorbent polymer…………………………………………………………………………40 17- Schematic of device used for the AUL measurement……………………………………... 41 18- Schematic reactions of protein with EDTAD and GLA……………………………………44 19- flow chart of albumin superabsorbent hydrogel production…………………………………45 20- flow chart of zygomycetes protein superabsorbent hydrogel production……………………46 21- Diagram of modification percentage of lysyl residue of albumin with EDTAD……………47 Ⅷ
Page 2 and 3: BIOSUPERABSORBENT FROM PROTEINS Sar
Page 4 and 5: ACKNOWLEDGMENTS We would like to ap
Page 6 and 7: CONTENTS ACKNOWLEDGMENTS ………
Page 10 and 11: 22- Effect of Glutaraldehyde concen
Page 12 and 13: 1 INTRODUCTION Superabsorbent hydro
Page 14 and 15: 1.1. Definition of Superabsorbency
Page 16 and 17: 1.3.1. Protein Structure Protein fo
Page 18 and 19: 2- Side chains of polar residues wi
Page 20 and 21: 1.3.3. Ovalbumin , Good Source for
Page 22 and 23: One of the paper preparation proces
Page 24 and 25: ……………………………
Page 26 and 27: 1.5. The Thermodynamic of Protein F
Page 28 and 29: In order to chemical modification o
Page 30 and 31: The swollen crosslinked polymer may
Page 32 and 33: 1.7.1.3. Crosslinking by UV-Irradia
Page 34 and 35: 1.7.2.1. Non-specific Crosslinking
Page 36 and 37: 1.8. Determination the Degree of cr
Page 38 and 39: These preparations contain consider
Page 40 and 41: MATERIALS AND METHODS 2.1. Method o
Page 42 and 43: ased on the solubility of the prote
Page 44 and 45: 2.1.2.2. Determination of Zygomycet
Page 46 and 47: 2.1.3. Modification of proteins Alb
Page 48 and 49: The first step was weighted a 30 mg
Page 50 and 51: 2.1.8.1. Centrifuge Retention Capac
Page 52 and 53: Figure 17. Schematic of device used
Page 54 and 55: Results showed the effect of ethano
Page 56 and 57: Preparation of protein solution (1%
Page 58 and 59:
PART Ⅰ ALBUMIN SUPERABSORBENT HYD
Page 60 and 61:
3.3.Ⅰ. Effect of Buffer solution
Page 62 and 63:
Swelling (g/g) 300 200 100 0 1 0.01
Page 64 and 65:
Swelling (g /g ) 350 300 250 200 15
Page 66 and 67:
3.8.Ⅰ. Effect of Temperature Prot
Page 68 and 69:
In this rearrangement the R─ grou
Page 70 and 71:
Calculations As a result by solving
Page 72 and 73:
In the present work, increasing the
Page 74 and 75:
In detail, Figure 36 shows the comp
Page 76 and 77:
Sample Table 5. Comparison of swell
Page 78 and 79:
The IZP-hydrogel compared with unmo
Page 80 and 81:
According to our results, the swell
Page 82 and 83:
REFERENCES 1- Fredric L.Buchholz &
Page 84 and 85:
32- Alexander,. J, Colloid chemistr
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2.1.8.2. Absorbency Under Load (AUL) - BADA

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