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Gold GNPs

Fig. 4. Main methods for the preparation of gold GNPs. (A) Direct synthesis based on the reduction of a Au(III) salt and in situ protection of the nascent gold nanocluster with thiol-aimed glycoconjugates. (B) Ligand place exchange reactions based on the treatment of preformed gold nanoparticles with thiol-derivatized glycoconjugates. (C) Functionalization of gold nanoparticles by reaction between functional groups on gold surface and suitably derivatized carbohydrates. (See Color Plate 31.)... Fig. 4. Main methods for the preparation of gold GNPs. (A) Direct synthesis based on the reduction of a Au(III) salt and in situ protection of the nascent gold nanocluster with thiol-aimed glycoconjugates. (B) Ligand place exchange reactions based on the treatment of preformed gold nanoparticles with thiol-derivatized glycoconjugates. (C) Functionalization of gold nanoparticles by reaction between functional groups on gold surface and suitably derivatized carbohydrates. (See Color Plate 31.)...
Glycoconjugates Used in Direct Syntheses of Gold GNPs... [Pg.221]

Hybrid Gold GNPs by Direct In Situ Formation... [Pg.224]

Fig. 6. Hybrid gold GNPs incorporating up to four different ligands in variable ratio. Reprinted fiom Ref 92 with permission. Fig. 6. Hybrid gold GNPs incorporating up to four different ligands in variable ratio. Reprinted fiom Ref 92 with permission.
Fig. 7. Gold GNPs by in situ protection with thiosemicarbazones carbohydrate derivatives and their UV-Vis spectra. (A) Synthesis of cellulose thiosemicarbazone (Cellulose-TSC). (B) Preparation and possible structure of a cellulose-conjugated gold nanoparticle. (C) UVAi is spectra and true-colour images of a GNP-free NMMO blank solution and GNPs/NMMO solutions a) Cellulose-free GNPs, b) Cel2oo-GNPs, and c) Celis-GNPs. Adapted from Ref 93. (See Color Plate 32.)... Fig. 7. Gold GNPs by in situ protection with thiosemicarbazones carbohydrate derivatives and their UV-Vis spectra. (A) Synthesis of cellulose thiosemicarbazone (Cellulose-TSC). (B) Preparation and possible structure of a cellulose-conjugated gold nanoparticle. (C) UVAi is spectra and true-colour images of a GNP-free NMMO blank solution and GNPs/NMMO solutions a) Cellulose-free GNPs, b) Cel2oo-GNPs, and c) Celis-GNPs. Adapted from Ref 93. (See Color Plate 32.)...
Gold GNPs of various saccharide percentages on the covering surface (100, 75, 50%) were obtained from di-n-octylamine-stabiUzed gold nanopartieles by thiol passivation with different mole ratios of thiol-armed A-acetyl-mannosaminide and 8-mercapto-A - 2-[2-(2-methoxyethoxy)ethoxy]ethyl octanamide. ° ... [Pg.235]

Hybrid Gold GNPs by Ligand Place Exchange... [Pg.236]

Hybrid gold GNPs coated with either a thiolated P-galactose derivative or a thiolated a-mannose derivative and varying ratios of a thiolated triethylene glyeol derivative were also reported. [Pg.237]

Fig. 9. Strategies for converting gold GNPs into superpara-and paramagnetic GNPs. (See Color Plate 34.)... Fig. 9. Strategies for converting gold GNPs into superpara-and paramagnetic GNPs. (See Color Plate 34.)...
Fig. 12 Molecular structures of gold GNPs with sugar appendages (64-70) used as bacterial sensors... Fig. 12 Molecular structures of gold GNPs with sugar appendages (64-70) used as bacterial sensors...
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