Structure of deposits formed by drying of ...
Document type :
Article dans une revue scientifique: Article original
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Title :
Structure of deposits formed by drying of droplets contaminated with Bacillus spores determines their resistance to rinsing and cleaning
Author(s) :
Deleplace, Maureen [Auteur]
Unité Matériaux et Transformations - UMR 8207 [UMET]
Dallagi, Heni [Auteur]
Unité Matériaux et Transformations - UMR 8207 [UMET]
Dubois, Thomas [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Richard, Elodie [Auteur]
Plateformes Lilloises en Biologie et Santé - UAR 2014 - US 41 [PLBS]
Ipatova, Anna [Auteur]
Acoustique Impulsionnelle & Magnéto-Acoustique Non linéaire - Fluides, Interfaces Liquides & Micro-Systèmes - IEMN [AIMAN-FILMS - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Benezech, Thierry [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Faille, Christine [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Unité Matériaux et Transformations - UMR 8207 [UMET]
Dallagi, Heni [Auteur]
Unité Matériaux et Transformations - UMR 8207 [UMET]
Dubois, Thomas [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Richard, Elodie [Auteur]
Plateformes Lilloises en Biologie et Santé - UAR 2014 - US 41 [PLBS]
Ipatova, Anna [Auteur]
Acoustique Impulsionnelle & Magnéto-Acoustique Non linéaire - Fluides, Interfaces Liquides & Micro-Systèmes - IEMN [AIMAN-FILMS - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Benezech, Thierry [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Faille, Christine [Auteur]
Unité Matériaux et Transformations (UMET) - UMR 8207
Journal title :
Journal of Food Engineering
Volume number :
318
Publisher :
Elsevier
Publication date :
2022
ISSN :
0260-8774
English keyword(s) :
Droplet evaporation
Bacillus spores
Deposition patterns
Material
Hydrophobicity
Surface hygiene
Bacillus spores
Deposition patterns
Material
Hydrophobicity
Surface hygiene
HAL domain(s) :
Sciences du Vivant [q-bio]/Ingénierie des aliments
Sciences de l'ingénieur [physics]/Mécanique [physics.med-ph]/Mécanique des fluides [physics.class-ph]
Sciences de l'ingénieur [physics]/Mécanique [physics.med-ph]/Mécanique des fluides [physics.class-ph]
English abstract : [en]
The formation of deposits by evaporation of droplets contaminated by Bacillus spores was investigated, focusing on the role of spore and material properties. Droplets containing hydrophilic to hydrophobic spores were ...
Show more >The formation of deposits by evaporation of droplets contaminated by Bacillus spores was investigated, focusing on the role of spore and material properties. Droplets containing hydrophilic to hydrophobic spores were deposited on materials (stainless steels, polypropylene, glass). The presence of spores within the droplets, as well as material hydrophobicity plays a major role in the kinetics of the droplet shape during drying while the pattern of the dried deposit was affected by both material and spore properties. The resistance to detachment of the different deposits was then investigated. After a single rinsing procedure, a very high resistance to detachment of adherent spores was observed (up to 90% of residual spores). The hydrophilic Bs PY79 spores were the least resistant to removal, while the differences between materials were not pronounced. The ease of cleaning of the dried deposits was much greater. The least resistant spores were still the Bs PY79 ones, while the detachment was 3–100 times more effective on glass than on other materials.These results highlight the predominant role of hydrophilic/hydrophobic properties of particles and materials on the structure of deposits and their further resistance to rinsing and cleaning procedures.Show less >
Show more >The formation of deposits by evaporation of droplets contaminated by Bacillus spores was investigated, focusing on the role of spore and material properties. Droplets containing hydrophilic to hydrophobic spores were deposited on materials (stainless steels, polypropylene, glass). The presence of spores within the droplets, as well as material hydrophobicity plays a major role in the kinetics of the droplet shape during drying while the pattern of the dried deposit was affected by both material and spore properties. The resistance to detachment of the different deposits was then investigated. After a single rinsing procedure, a very high resistance to detachment of adherent spores was observed (up to 90% of residual spores). The hydrophilic Bs PY79 spores were the least resistant to removal, while the differences between materials were not pronounced. The ease of cleaning of the dried deposits was much greater. The least resistant spores were still the Bs PY79 ones, while the detachment was 3–100 times more effective on glass than on other materials.These results highlight the predominant role of hydrophilic/hydrophobic properties of particles and materials on the structure of deposits and their further resistance to rinsing and cleaning procedures.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Non spécifiée
Popular science :
Non
Administrative institution(s) :
Université de Lille
CNRS
INRAE
ENSCL
CNRS
INRAE
ENSCL
Collections :
Research team(s) :
Processus aux Interfaces et Hygiène des Matériaux (PIHM)
Submission date :
2022-12-01T08:39:39Z
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