| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Mills, Tom
University of Birmingham
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2021Formulation and additive manufacturing of polysaccharide-surfactant hybrid gels as gelatin analogues in food applicationscitations
- 2021Structural characterization of interpenetrating network formation of high acyl gellan and maltodextrin gelscitations
- 20213D printing of edible hydrogels containing thiamine and their comparison to cast gelscitations
- 2020Using a three-ball-on-plate configuration for soft tribology applicationscitations
- 2019Designing hydrocolloid based food-ink formulations for extrusion 3D printingcitations
- 2019Role of the drying technique on the low-acyl gellan gum gel structurecitations
- 2019The effect of sugars on agar fluid gels and the stabilisation of their foamscitations
- 2018Role of gellan gum microstructure in freeze drying and rehydration mechanismscitations
- 2017Stabilisation of foams by agar gel particlescitations
- 2013Tribology measurement and analysiscitations
- 2013Development of tribology equipment to study dynamic processescitations
Places of action
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article
3D printing of edible hydrogels containing thiamine and their comparison to cast gels
Abstract
In this study, 3% w/v kappa-carrageenan (кC) and 2% w/v agar were assessed for their suitability for hot extrusion 3D printing (3DP) and compared to cast gels of equivalent composition. Moreover, incorporation of a model active (thiamine) at varying concentrations, was studied for both 3DP and cast microstructures. Rheology and differential scanning calorimetry showed that thiamine (via electrostatic complexation) reinforced the kappa-carrageenan gel network (up to a certain threshold concentration), whereas the agar gel was structurally unaltered by the active's presence. While the кC-thiamine formulations were printable (within a relatively narrow formulation/processing window), the agar-thiamine systems were not printable via the current set up. Texture profile analysis (TPA) showed that 3DP кC-thiamine cylinders had a hardness value of 860 g ± 11% compared to 1650 g ± 6% for cast cylinders. When compressed they delaminated due to failure between consecutive layers of material deposited during the printing process; light microscopy revealed distinct layering across the printed gel structure. Release tests at 20 °C showed printed gels expelled 64% ± 2.2% of the total active compared to 59% ± 0.8% from the cast gels over 6 h. At 37 °C these values increased to 78% ± 2.6% and 66% ± 3.5% respectively. This difference was believed to be due to the significant swelling exhibited by the printed systems. A simple empirical model, applied to the release data, revealed that thiamine discharge from 3DP gels was solely driven by diffusion while ejection of the active from cast systems had both diffusional and relaxation contributions.