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3140 Ergebnisse

PROFILING PARTICLE SURFACE BY HANSEN PARAMETERS TO PREDICT PARTICLE-PARTICLE AND PARTICLE-LIQUID INTERACTION

Autor
Lerche D., Rodriguez L., Sobisch T., Süß S., Segets D., Peukert W.
Jahr
2018
Quelle
XVI th International Conference on Surface Forces, Book of Abstracts
Sprache
English
Seiten
36
  • 1694
  • Hansen Parameters
  • HSP
  • HDP
14 weitere
  • particles
  • pigments
  • Carbon Black
  • ZnO quantum dots and CNT
  • surface modified/decorated
  • LUMiSizer
  • LS
  • LUMiReader PSA
  • LRPSA
  • Suspensions and emulsions
  • Surface properties are crucial for dispersion process of powders and agglomerated/aggregated disperse phases
  • e.g. pigments
  • catalyzers
  • Hildebrandt solubility parameter
Weitere Details
Ausgabe
Abstract O10
Ort
Kazan, Russia, August 20-25, 2018
Interne Referenz
1694

Quantification of wastewater dewaterability for understanding sludge dewatering and fouling during membrane bioreactor operation

Autor
Samuel James Skinner
Jahr
2018
Quelle
Thesis
Sprache
English
Seiten
1-385
  • 1829
  • LF
  • LRX
  • LUMiFuge
14 weitere
  • LUMiReader X-Ray
  • LS
  • LUMiSizer
  • calcite and sewage sludge samples
  • settling velocity needs to be measured by an analytical centrifuge
  • Photo-analytical centrifuges
  • Transmission profiles
  • coagulated or flocculated mineral suspension
  • Transient centrifugal settling
  • Equilibrium centrifugal settling
  • calcium carbonate suspensions (Omyacarb 2)
  • Elastic Rebound Test
  • Multiple-speed equilibrium centrifugation test
  • Dewaterability parameter determination
Weitere Details
Ausgabe
Submitted in total fulfilment of the requirement for the Degree of Doctor of Philosophy
Ort
Particulate Fluids Processing Centre Department of Chemical and Biomolecular Engineering Melbourne School of Engineering The University of Melbourne, Australia
Interne Referenz
1829
Veröffentlichung öffnen

Quantifying Surface Properties of Silica Particles by Combining Hansen Parameters and Reichardt’s Dye Indicator Data

Autor
Claudia Stauch, Sebastian Süß, Robert Luxenhofer, Bernard P. Binks, Doris Segets, and Karl Mandel
Jahr
2018
Quelle
Part. Part. Syst. Charact.
Sprache
English
Seiten
1800328
  • AC measurements were carried out with a LUMiSizer LS 651
  • HSP
  • HDP
  • To obtain quantitative understanding of the effects of a chemisorbed organic modification on the surface of particles
5 weitere
  • the use of Reichardt’s dye (RD) and Hansen solubility parameter (HSP) is discussed
  • whereby the S should be understood in terms of “similarity” rather than solubility as dispersibility is in focus. Silica nanoparticles modified to different extents with a medium chain silane including completely hydrophilic and hydrophobic particles are chosen. During spray-drying such particles form fully redispersible micro-raspberry
  • Nanostructured micro-raspberry powders (0.5 wt%) of SiO2-NPs superstructures. After qualitative estimations of the particles’ polarity based on measuring both immersion time and ability of modified particles to stabilize oil–water emulsions
  • surface properties are quantified by HSP and RD
  • analytical centrifugation
Weitere Details
Ausgabe
2018
Interne Referenz
1775
Veröffentlichung öffnen

Quantifying the contact electrification of aerosolized insulating particles

Autor
Stefano Alois, Jonathan Merrison, Jens Jacob Iversen, Jörn Sesterhenn
Jahr
2018
Quelle
Powder Technology
Sprache
English
Seiten
106-113
  • LUMiSizer
  • LS
  • 1862
  • Contact electrification
10 weitere
  • Insulating particles
  • Tribo-electrification
  • Electronegativity
  • Aerosol
  • particle size distribution of the particle samples
  • psd
  • psa
  • TiO2
  • titanium dioxide
  • non-spherical
Weitere Details
Ausgabe
332
Interne Referenz
1862
Veröffentlichung öffnen

Rasche Identifizierung von Nanomaterialien mittels Zentrifugationsanalyse

Autor
Christian Ullmann, Frank Babick, Michael Stintz, Dora Mehn, Douglas Gilliland, Wendel Wohlleben
Jahr
2018
Quelle
Jahrestreffen der ProcessNet-Fachgruppen Mehrphasenströmungen (MPH), Wärme- und Stoffübertragung (WSUE), Computional Fluid Dynamics (CFD), Hochtemperatur - technik (HTT), Abfallbehandlung und Wert- stoffrückgewinnung (AuW), Kristallisation (KRI) und Partikelmesstechnik (PMT)
Sprache
German
Seiten
387-388
  • 2529
  • optischen Küvettenzentrifuge
  • LUMiSizer
  • LS
4 weitere
  • PSD
  • PSA
  • Partikelgrößenverteilung
  • Korngrößenverteilung
Weitere Details
Ausgabe
Kurzfassungen
Ort
Bremen, GER, 6. – 9. März 2018
Interne Referenz
2529
Veröffentlichung öffnen

Redox electrolytes for non-flow electrochemical energy storage

Autor
Juhan Lee
Jahr
2018
Quelle
Dissertation
Sprache
English
Seiten
1-207
  • LUMiSizer
  • LS
  • 1883
  • measure the effective particle size of the activated carbon
4 weitere
  • a sedimentation analysis technique
  • psa
  • psd
  • particle size distribution
Weitere Details
Ort
Naturwissenschaftlich-Technische Fakultät der Universität des Saarlandes, Germany
Interne Referenz
1883
Veröffentlichung öffnen

Relationship between shear energy input and sedimentation properties of exopolysaccharide-producing Streptococcus thermophilus strains

Autor
Florian Häffele, Susann Mende, Doris Jaros, Harald Rohm, Hermann Nirschl
Jahr
2018
Quelle
Separation and Purification Technology
Sprache
English
Seiten
21-26
  • LUMiSizer
  • LS
  • Analytical centrifugation
  • Sedimentation behavior
4 weitere
  • Starter cultures
  • Exopolysaccharides
  • Shear forces
  • capsular exopolysaccharides (EPS)
Weitere Details
Ausgabe
Volume 202
Interne Referenz
1583
Veröffentlichung öffnen

Reologické vlastnosti a stabilita kosmetických emulzí

Autor
Petra Škramlíková
Jahr
2018
Quelle
Sborník Anotací
Sprache
Czech
Seiten
148
  • LUMiSizer
  • LS
  • 2138
  • cosmetics
5 weitere
  • Tato práce pojednává o reologii a stabilitě kosmetických emulzí v závislosti na složení. Ke sledování vlastností byly použity následující metody: analýza obrazu
  • měření tokových vlastností
  • distribuce velikosti částic a přímého měření stability pomocí přístroje LUMiSizer bylo porovnáno 15 emulzí. cosmetic emulsions
  • stabilit
  • rheology
Weitere Details
Ort
Studentská Vedecka Konference VSCHT Praha, Czech Republic, 22.11.2018
Interne Referenz
2138

Revealing the Physico-Chemical Basis of Organic Solid-Solid Wetting Deposition: Casimir-Like Forces, Hydrophobic Collapse, and the Role of the Zeta Potential

Autor
Alexander Eberle,Thomas Markert, and Frank Trixler
Jahr
2018
Quelle
Journal of the American Chemical Society
Sprache
English
Seiten
1327-1336
  • Particle size measurements
  • psa
  • psd
  • LUMiSizer
10 weitere
  • LS
  • 1863
  • Particle size distributions of γQAC - dispersions
  • cumulative distributions of the analyzed γQAC dispersions as a function of the particle size
  • Median particle size (equivalent diameter) of powdered γQAC
  • dispersed in different dispersing agents
  • solid-solid wetting • self-assembly • zeta potential • quinacridone • DLVO • fluctuation-induced forces • Casi-mir-like forces • dewetting in hydrophobic confinement
  • Supramolecular self-assembly at the solid-solid interface enables the deposition and monolayer formation of insoluble organic semiconductors under ambient conditions. The underlying process
  • termed as the Organic Solid-Solid Wetting Deposition (OSWD)
  • a highly oriented pyrolytic graphite (HOPG) as the substrate and dispersed crystalline particles of the organic semiconductor gamma quinacridone (γQAC) as the adsorptive
Weitere Details
Ausgabe
140 (4)
Interne Referenz
1863
Veröffentlichung öffnen

Reversible Switching and Recycling of Adaptable Organic Microgel Catalysts (Microgelzymes) for Asymmetric Organocatalytic Desymmetrization

Autor
Ruediger Borrmann, Volodymyr Palchyk, Andrij Pich, and Magnus Rueping
Jahr
2018
Quelle
ACS Catal.
Sprache
English
Seiten
7991–7996
  • LUMiFuge
  • LF
  • LUMiSizer
  • LS
4 weitere
  • asymmetric desymmetrization; bifunctional sulfonamides; cinchona alkaloids; switchable colloidal catalyst; temperature-responsive microgel
  • sedimentation velocities
  • velocity
  • 1724
Weitere Details
Ausgabe
8 (9)
Interne Referenz
1724
Veröffentlichung öffnen

Review of: Aggregation of silica nanoparticles directed by adsorption of lysozyme

Autor
LUM
Jahr
2018
Quelle
Dispersion Letters Review
Sprache
English
Seiten
1
  • 1796
  • silica nanoparticles; adsorption; globular protein; agglomeration; zeta potential; turbidity; cryoTEM; SAXS; analytical centrifugation; LUMiSizer
  • LS
  • SiO2
Weitere Details
Ausgabe
R20
Interne Referenz
1796
Veröffentlichung öffnen

Rheological Characterization of Solids Phase in Biomass Processes of Disc-Stack Centrifuges

Autor
Carl Häggmark, Staffan Königsson
Jahr
2018
Quelle
Chem. Eng. Technol.
Sprache
English
Seiten
2289–2297
  • Angle of repose
  • Biomass processing
  • Centrifuge solids rheology
  • Solids phase viscosity
9 weitere
  • Squeeze flow
  • LUMiSizer
  • LS
  • biotech
  • Solids Particle Settling Velocity
  • Experimental Techniques for Rheological Characterization of Disc-Stack Centrifuge Biomass Solids
  • Alfa Laval Tumba AB
  • 1777
  • Tellerzentrifuge
Weitere Details
Ausgabe
41, No. 12
Interne Referenz
1777
Veröffentlichung öffnen

Role of lipid phase composition and cell surface hydrophobicity in high pressure inactivation of Lactobacillus plantarum in emulsions

Autor
Thomas Anton Kafka
Jahr
2018
Quelle
Dissertation.
Sprache
English
Seiten
1-196
  • LUMiFuge
  • LS
  • LUMiSizer
  • 1692
12 weitere
  • Characterization of emulsion stability by multisample analytical centrifugation
  • Phase separation stability of all used (O/W)-emulsions
  • phase separation kinetics
  • In this thesis
  • both the role of fat and cell surface hydrophobicity (CSH) in High Hydrostatic Pressure (HHP)-mediated inactivation of spoilage-associated Lactobacillus (L.) plantarum and the role of wall teichoic acids (WTAs) in CSH were investigated. This chapter provides a comprehensive overview with basic knowledge
  • widely accepted principles
  • and latest scientific insights about the HHP inactivation of microorganisms
  • the use of emulsions as model system
  • the spoilage-associated genus Lactobacillus and CSH
  • biotech
  • food preservation
  • nutrition
Weitere Details
Ort
Fakultät Wissenschaftszentrum Weihenstephan für Ernährung, Landnutzung und Umwelt der Technischen Universität München
Interne Referenz
1692
Veröffentlichung öffnen

Salt enhanced solvent relaxation and particle surface area determination via rapid spin-lattice NMR

Autor
Laura N.Elliott, Richard A.Bourne, Ali Hassanpour, John L.Edwards, StephenSutcliffe, Timothy N.Hunter
Jahr
2018
Quelle
Powder Technology
Sprache
English
Seiten
458-467
  • Settling measurements
  • LUMiSizer
  • LS
  • sedimentation rate of the dispersions
3 weitere
  • particle coagulation and changes in particle size distributions. Calcite and TiO2 dispersions
  • Suspension settling rates under centrifugation were also used to elucidate changes in particle aggregation for TiO2 and calcite
  • 1788
Weitere Details
Ausgabe
333
Interne Referenz
1788
Veröffentlichung öffnen

Sedimentation analysis of magnetorheological fluids stabilized by amphiphilic compounds studied by analytical centrifuge

Autor
J. Smilek, M. Lastuvkova, K. Vlachova, L. Oharek, A. Kargerova, O. Machacek and J. Roupec
Jahr
2018
Quelle
32 nd Conference of The European Colloid and Interface Society
Sprache
English
Seiten
225
  • LUMiSizer
  • LS
  • magnetorheological (MR) fluids
  • suppression of iron particles sedimentation
2 weitere
  • possibility of MR fluids stabilization by addition of amphiphilic compounds (surface active agents
  • span 80
Weitere Details
Ausgabe
Book of Abstracts PP3.10
Ort
Ljubljana, Slovenia, 2 nd - 7 th September 2018
Interne Referenz
1714
Veröffentlichung öffnen

Separation behaviour of particles in biopolymer solutions in dependence on centrifugal acceleration: Investigation of slow structuring processes in formulations

Autor
T.Sobisch, D.Lerche
Jahr
2018
Quelle
Colloids and Surfaces A: Physicochemical and Engineering Aspects
Sprache
English
Seiten
74-81
  • Dispersion structuring
  • Aging
  • Sedimentation velocity distribution
  • Apparent viscosity
7 weitere
  • Flocculation
  • Rheology
  • allows to determine apparent viscosity
  • characteristic for centrifugal separation process
  • LUMiSIzer
  • LS
  • Separation behaviour of 0.2% m/m silica dispersions as function of pectin concentration and RCA
Weitere Details
Ausgabe
536
Interne Referenz
1499
Veröffentlichung öffnen

Separation membrane for secondary battery and electrochemical element to which it is applied

Autor
ダ・キョン・ハン ソン・ヒョン・イ ドン・ウク・スン ジェ・アン・イ
Jahr
2018
Quelle
JP7055464B2
Sprache
Japanese
  • 2783
  • The present invention relates to a separation film for a secondary battery and an electrochemical element to which the separation film is applied
  • and more specifically
  • eliminates an increase in resistance after coating the separation film that occurs when a large amount of dispersion resin for dispersing an inorganic substance is used. Therefore
9 weitere
  • the present invention relates to a separation film for a secondary battery capable of reducing the amount of dispersion resin used and the amount of dispersant used
  • and an electrochemical element to which the separation film is applied. Rechargeable secondary batteries are electric vehicles (EVs)
  • hybrid electric vehicles (HEVs)
  • and plugs
  • which are presented as measures to solve air pollution in existing gasoline vehicles and diesel vehicles that use fossil fuels. It is attracting attention as a power source for devices that require high output and large capacity
  • including in-hybrid electric vehicles (Plug-In HEV). The particle settling speed was measured over time using a dispersion analyzer
  • LUMiSizer
  • LS
  • energy storage
Weitere Details
Ausgabe
Patent
Interne Referenz
2783
Veröffentlichung öffnen

Separator fabrication method, separator fabricated thereby, and electrochemical element comprising same separator

Autor
LG Electronics
Jahr
2018
Quelle
Justia Patents
Sprache
English
  • 2853
  • LG Electronics
  • LUMiSIzer
  • LS
9 weitere
  • Sedimentation rate (μm/s) A dispersion stability analyzer (Lumisizer LS651) was used to determine the sedimentation rate of the slurry particles in the slurry for forming a porous coating layer. A method for manufacturing a separator
  • including the steps of: (S1) preparing a dispersion containing inorganic particles dispersed in a first solvent and a first binder polymer dissolved in the first solvent; (S2) preparing a binder polymer solution containing a second binder polymer dissolved in a second solvent
  • and mixing the binder polymer solution with the dispersion so that a combined weight of the inorganic particles and the first binder polymer in the dispersion may be 1.5-8 times of a weight of the second binder polymer in the binder polymer solution; and (S3) applying the resultant mixture to at least one surface of a porous polymer substrate
  • followed by drying
  • to form a porous coating layer on the porous polymer substrate. Also
  • a separator obtained by the method and an electrochemical device including the same.The present disclosure relates to a separator that may be used for an electrochemical device
  • such as a lithium secondary battery
  • a method for manufacturing the same
  • and an electrochemical device including the same. energy storage
Weitere Details
Ausgabe
Patent # 11,450,921
Interne Referenz
2853
Veröffentlichung öffnen

Shear treatment of starter culture medium improves separation behavior of Streptococcus thermophilus cells

Autor
Doris Jaros, Susann Mende, Florian Häffele, Carsten Nachtigall, Hermann Nirschl, Harald Rohm
Jahr
2018
Quelle
Engineering in Life Sciences
Sprache
English
Seiten
62–69
  • Sedimentation velocity distribution was measured with a LUMiSizer
  • LS
  • biotech
Weitere Details
Ausgabe
18, Issue 1
Interne Referenz
1536
Veröffentlichung öffnen

Silica nanoparticle network induced by micro-phase separation considering surface wettability

Autor
Chika Takai, Hidenori Nagamine, Masayoshi Fuji
Jahr
2018
Quelle
International Conference & Workshop Dispersion Analysis & Materials Testing 2018
Sprache
English
Seiten
1-2
  • 1508
  • Micro-phase separation
  • Cellulose acetate
  • Nanoparticle network
4 weitere
  • Hansen parameter
  • HSP
  • particle dispersibility in the selected 26 organic solvents were examined from sedimentation profile obtained by LUMiSizer
  • LS
Weitere Details
Ausgabe
Abstracts
Ort
Berlin, Germany, 29-30 January 2018
Interne Referenz
1508
Veröffentlichung öffnen

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