A General Description of Detachment for Multidimensional Modelling of Biofilms (Record no. 45518)

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control field MX-MdCICY
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control field 20250625140647.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-11293
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245 10 - TITLE STATEMENT
Title A General Description of Detachment for Multidimensional Modelling of Biofilms
490 0# - SERIES STATEMENT
Volume/sequential designation Biotechnology and BioEngineering, 91(6), p.651-669, 2007
520 3# - SUMMARY, ETC.
Summary, etc. A general method for describing biomass detachment in multidimensional biofilm modelling is introduced. Biomass losses from processes acting on the entire surface of the biofilm, such as erosion, are modelled using a continuous detachment speed function Fdet. Discrete detachment events, i.e. sloughing, are implicitly derived from simulations. The method is flexible to allow Fdet to take several forms, including expressions dependent on any state variables such as the local biofilm density. This methodology for biomass detachment was integrated with multidimensional (2D and 3D)particlebased multispecies biofilm models by using a novel application of the level set method. Application of the method is illustrated by trends in the dynamics of biofilms structure and activity derived from simulations performed on a simple model considering uniform biomass (case study I)and a model discriminating biomass composition in heterotrophic active mass, extracellular polymeric substances (EPS)and inert mass (case study II). esults from case study I demonstrate the effect of applied detachment forces as a fundamental factor influencing steady-state biofilm activity and structure. Trends from experimental observations reported in iterature were correctly described. For example, simulation results indicated that biomass sloughing is reduced whenerosion forces are increased. Case study II illustrates the application of the detachment methodology to systems with non-uniform biomass composition. Simulations carried out at different bulk concentrations of substrate show changes in biofilm structure (in terms of shape, density and spatial distribution of biomass components)and activity (in terms of oxygen and substrate consumption)as a consequence of either oxygen-limited or substrate-limited growth.
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element BIOFILM
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element DETACHMENT
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element EROSION
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element SLOUGHING
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element INDIVIDUAL-BASED MODELLING
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element EPS
650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM
Topical term or geographic name entry element LEVEL SET
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Joao De Bivar Xavier
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Picioreanu, C.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Van Loosdrecht, M.C.M.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1rW_wJyqjf6BtfTS69kUyi0TdKrCZ4reU/view?usp=drivesdk">https://drive.google.com/file/d/1rW_wJyqjf6BtfTS69kUyi0TdKrCZ4reU/view?usp=drivesdk</a>
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-11293 25.06.2025 25.06.2025 Documentos solicitados