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COMSOL Inc comsol-based reaction-diffusion modeling
Comsol Based Reaction Diffusion Modeling, supplied by COMSOL Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/comsol+reaction-diffusion+model/comsol+diffusion+model/pm40525971-5-0-0
Average 90 stars, based on 1 article reviews
comsol-based reaction-diffusion modeling - by Bioz Stars, 2026-09
90/100 stars

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Fluorescence:

Article Title: Quantification of growth and nutrient consumption of bacterial and fungal cultures in microfluidic microhabitat models
Article Snippet: .. In the fractal chip, the changes in fluorescence in space are presented as a function of the accessibility of each point within the mazes, calculated with a COMSOL diffusion model. 14. ..

Diffusion-based Assay:

Article Title: Quantification of growth and nutrient consumption of bacterial and fungal cultures in microfluidic microhabitat models
Article Snippet: .. In the fractal chip, the changes in fluorescence in space are presented as a function of the accessibility of each point within the mazes, calculated with a COMSOL diffusion model. 14. ..

Article Title: 3D Bioprinting of Engineered Living Materials with Extracellular Electron Transfer Capability for Water Purification
Article Snippet: .. 182 For the COMSOL diffusion simulation experiments, we selected the printed e-ELMs 183 with a 90° spacing between adjacent layers. ..

Article Title: Botulinum toxin A dissolving microneedles for hyperhidrosis treatment: design, formulation and in vivo evaluation.
Article Snippet: Multiple periodic injections of botulinum toxin A (BTX-A) are the standard treatment of hyperhidrosis which causes excessive sweating.. However, BTX-A injections can create problems, including incorrect and painful injections, the risk of drug entry into the bloodstream, the need for medical expertise, and waste disposal problems.. New drug delivery systems can substantially reduce these problems.

Article Title: Distinguishing Inner and Outer-Sphere Hot Electron Transfer in Au/p-GaN Photocathodes.
Article Snippet: .. The tip-to-substrate distance was 2.5 μm. (b) Measured iTip/iTip,dark response as a function of power for a broad excitation wavelength range of 470-832 nm. (c) Simulated calibration curves correlating iTip/iTip,dark, isub,photo , and keff obtained by the COMSOL diffusion model reported in our previous work.2 (d) Extracted substrate photocurrent (isub,photo) vs power, using the calibration curves in (c) and measured data of iTip/iTip,dark in (b) for each excitation wavelength. ..

Article Title: Distinguishing Inner and Outer-Sphere Hot Electron Transfer in Au/p-GaN Photocathodes.
Article Snippet: .. A 2D diffusion COMSOL model was also implemented to simulate the tip current (iTip) response in photo-SECM experiments for a photo-reduction reaction, obtaining the calibration curve shown in (Figure S4.c). ..

Article Title: Enhanced Carbon Dioxide Uptake in Drilled Hollow Core Fibers for Raman Spectroscopy.
Article Snippet: Fiber-based Raman spectroscopy enhances the Raman signal by maximizing the overlap of the optical field and the gas species.. However, filling the hollow-core fiber (HCF) with gas requires time that is dependent on the fiber core diameter, fiber length, and pressure of the gas.. At ambient pressure, the fiber gas uptake is driven by diffusion into the fiber ends, severely limiting the response time of the system.

Article Title: Constructing spherical-beads-on-string structure of electrospun membrane to achieve high vapor flux in membrane distillation.
Article Snippet: Hydrophobic membranes with a reentrant-like structure have shown high hydrophobicity and high anti-wetting properties in membrane distillation (MD).. Here, PVDF spherical-beads-on-string (SBS) fibers were electrospun on nonwoven fabric and used in the MD process.. Such a reentrant-like structure was featured with fine fibers, a low ratio of bead length to bead diameter, and high bead frequency.

other:

Article Title: Pore-Size-Dependent Kinetics and Product Distribution of Fe(II)-Catalyzed Ferrihydrite Transformation.
Article Snippet: Fe(II)-catalyzed ferrihydrite (Fh) transformation is a widely occurring biogeochemical process in the porous media of anaerobic soils and sediments, but how pore-scale spaces affect the kinetics and product distribution of Fh transformation remains poorly understood.. This study investigated the transformation of Fh nanoparticle film across a continuum of sizes of pore-scale spaces created by pressing a glass bead onto the film and immersing in 2 mM and 10 mM FeSO4 at pH = 7.0.. While lepidocrocite (Lp) dominated over goethite (Gt) on the static Fh film, both minerals were observed to preferentially precipitate in micropore regions adjacent to the Fh film−glass bead contact area.



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A producer cell with a diameter of 1 µm was placed in the middle of a very thin rectangular block (1.1 µm thickness) to represent a quasi-two-dimensional system. For the three-dimensional system it was placed in the middle of a cube. For the cube, concentrations at the cube boundaries were set to zero. For the thin plate the concentrations at the four lateral faces were set to zero, and the top and bottom boundaries were insulated (no-flux boundary condition). The total volume of both systems was 1 nL (1·10 6 cells/mL). A time dependent study in COMSOL <t>Multiphysics</t> yielded concentration gradients at several moments. The figure shows the concentrations along the diagonal after 5 hours.
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A producer cell with a diameter of 1 µm was placed in the middle of a very thin rectangular block (1.1 µm thickness) to represent a quasi-two-dimensional system. For the three-dimensional system it was placed in the middle of a cube. For the cube, concentrations at the cube boundaries were set to zero. For the thin plate the concentrations at the four lateral faces were set to zero, and the top and bottom boundaries were insulated (no-flux boundary condition). The total volume of both systems was 1 nL (1·10 6 cells/mL). A time dependent study in COMSOL <t>Multiphysics</t> yielded concentration gradients at several moments. The figure shows the concentrations along the diagonal after 5 hours.
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A producer cell with a diameter of 1 µm was placed in the middle of a very thin rectangular block (1.1 µm thickness) to represent a quasi-two-dimensional system. For the three-dimensional system it was placed in the middle of a cube. For the cube, concentrations at the cube boundaries were set to zero. For the thin plate the concentrations at the four lateral faces were set to zero, and the top and bottom boundaries were insulated (no-flux boundary condition). The total volume of both systems was 1 nL (1·10 6 cells/mL). A time dependent study in COMSOL Multiphysics yielded concentration gradients at several moments. The figure shows the concentrations along the diagonal after 5 hours.

Journal: bioRxiv

Article Title: Microbial competition reduces interaction distances to the low µm-range

doi: 10.1101/2020.01.22.915835

Figure Lengend Snippet: A producer cell with a diameter of 1 µm was placed in the middle of a very thin rectangular block (1.1 µm thickness) to represent a quasi-two-dimensional system. For the three-dimensional system it was placed in the middle of a cube. For the cube, concentrations at the cube boundaries were set to zero. For the thin plate the concentrations at the four lateral faces were set to zero, and the top and bottom boundaries were insulated (no-flux boundary condition). The total volume of both systems was 1 nL (1·10 6 cells/mL). A time dependent study in COMSOL Multiphysics yielded concentration gradients at several moments. The figure shows the concentrations along the diagonal after 5 hours.

Article Snippet: To compare concentration gradients in two- and three-dimensional systems we made reaction-diffusion models in COMSOL Multiphysics (supplementary information, ).

Techniques: Blocking Assay, Concentration Assay

Journal: bioRxiv

Article Title: Microbial competition reduces interaction distances to the low µm-range

doi: 10.1101/2020.01.22.915835

Figure Lengend Snippet:

Article Snippet: To compare concentration gradients in two- and three-dimensional systems we made reaction-diffusion models in COMSOL Multiphysics (supplementary information, ).

Techniques: