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Fachpublikationen, Anwendungen und wissenschaftliche Beiträge aus der LUM Literaturdatenbank.

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MachWas - CNT-Membranen - Nanoporöse Membranen hohen spezifischen Flusses aus orientierten CNTs für die energieeffiziente Aufbereitung von Ab- und Prozesswässern der Erdöl- und Erdgasindustrie; Teilprojekt 6.5. - Erarbeitung von Verfahren (Laboranalytik) zur Charakterisierung der Membranintegrität und Abwassereinigung sowie deren Einbindung in die Pilotanlagen des betrieblichen Klärprozesses

Autor
Sebastian Boldt
Jahr
2021
Quelle
Schlussbericht zum BMBF-Verbundprojekt
Sprache
German
  • 2733
Weitere Details
Ausgabe
26.10.2022 16:55
Interne Referenz
2733
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Magnetic Separation of Antibodies with High Binding Capacity by Site-Directed Immobilization of Protein A-Domains to Bare Iron Oxide Nanoparticles

Autor
Yasmin Kaveh-Baghbaderani, Raphaela Allgayer, Sebastian Patrick Schwaminger, Paula Fraga-García, and Sonja Berensmeier
Jahr
2021
Quelle
ACS Appl. Nano Mater.
Sprache
English
Seiten
4956–4963
  • B: LUMi-Reader cumulative distribution of sedimentation in a magnetic cuvette velocity including median values.
  • 2427
  • LRPSA
  • LUMiReader PSA
12 weitere
  • Peptides and proteins
  • Ligands
  • Nanoparticles
  • Immobilization
  • Biopolymers
  • affinity tag
  • antibody
  • purification
  • iron oxide nanoparticles
  • magnetic separation
  • protein A
  • medicine
Weitere Details
Ausgabe
4,5
Interne Referenz
2427
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Magnetically Induced Aggregation of Iron Oxide Nanoparticles for Carrier Flotation Strategies

Autor
Sebastian P. Schwaminger, Karin Schwarzenberger, Jacqueline Gatzemeier, Zhe Lei, and Kerstin Eckert
Jahr
2021
Quelle
ACS Appl. Mater. Interfaces
Sprache
English
Seiten
20830–44
  • LUMiReader PSA
  • LRPSA
  • 2426
  • nanoparticles
14 weitere
  • Sedimentation
  • Metal oxide nanoparticles
  • Magnetic properties
  • Organic compounds
  • iron oxides
  • magnetic separation
  • microplastics
  • PMMA
  • oleate
  • colloidal stability
  • flotation
  • aggregation
  • Setup for measuring the particle sedimentation velocity in magnetic fields with a modified LUMiReader. The sedimentation velocity is a result of the magnetophoretic force (Fmag)
  • the gravitational force (Fgrav) and the drag force (Fdrag) on the nanoparticles.
Weitere Details
Ausgabe
13, 17
Interne Referenz
2426
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MECHANISTIC STUDY FOR ANTI-MELANOGENIC PROPERTY OF TETRAHYROCURCUMIN AND ENHANCEMENT OF BIOACCESSIBILTY THROUGH BOTH TOPICAL DELIVERY AND ORAL DELIVERY BY INNOVATIVE FORMULATIONS

Autor
Xudong Tang
Jahr
2021
Quelle
Dissertation
Sprache
English
Seiten
1-145
  • 2588
  • Tetrahydrocurcumin (THC) is one of the major metabolites of curcumin
  • and it possess a variety of health-related benefits
  • such as anti-cancer
14 weitere
  • antioxidant
  • anti-inflammation
  • etc.
  • LUMiSizer
  • LS;After the fabrication of the nanoemulsion
  • the porotypes were then characterized using
  • Accelerated and real time stability test In order to evaluate the stability for the nanoemulsion
  • LumiSizer was first used for the purpose of screening the formulations
  • Fabrication of the nanoemulsions Nanoemulsion was prepared following the method as described in Fig.31. A series of formulations were produced
  • and their stability performance were first predicted using LUMiSizer.
  • instability index
  • The objective is to solve the aqueous solubility challenge for THC and enhance its bioaccessibility through both the topical and oral route respectively
  • medicine
  • pharmaceutical
Weitere Details
Ort
School of Graduate studies, Rutgers, The State University of New Jersey, USA
Interne Referenz
2588
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Microstructural and Texturizing Properties of Partially Pectin-Depleted CellWall Material: The Role of Botanical Origin and High-Pressure Homogenization

Autor
Jelle Van Audenhove, Tom Bernaerts , Novita I. Putri , Erick O. Okello, Luisa Van Rooy, Ann M. Van Loey and Marc E. Hendrickx
Jahr
2021
Quelle
Foods
Sprache
English
Seiten
2644
  • LUMiFuge
  • LF
  • LUMiSizer
  • LS
9 weitere
  • 2576
  • fruits and vegetables; high-pressure homogenization; partial pectin depletion; cell wall material; rheology; water binding capacity
  • Measurement ofWater Binding Capacity The WBC of the AcUF was measured by performing centrifugation in suspended state
  • In the current study
  • the texturizing properties of partially pectin-depleted cell wall material (CWM) of apple
  • carrot
  • onion and pumpkin
  • and the potential of functionalization by high-pressure homogenization (HPH) were addressed.
  • nutrtition
Weitere Details
Ausgabe
10
Interne Referenz
2576
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Modification of PVDF hydrophobic microfiltration membrane with a layer of electrospun fibers of PVP-co-PMMA: Increased fouling resistance

Autor
Diego Wanke, Adrianoda Silva, Cristiane Costa
Jahr
2021
Quelle
Chemical Engineering Research and Design
Sprache
English
Seiten
268-276
  • 2501
  • The oil emulsion was prepared by dispersing 0.1 %wt. of canola oil in deionized water
  • with SDS as emulsifier (20 %wt.
  • related to the oil)
20 weitere
  • using the ultra turrax disperser (IKA T25 digital)
  • for 20 min at 5000 rpm. Lumisizer (LUM GmbH) was used to determine the oil particle size
  • LS
  • distribution
  • analysis
  • psd
  • psa
  • Membrane
  • Surface modification
  • Electrospinning
  • Polydopamine
  • Mussel-inspired
  • Oily wastewater
  • A wide range of materials can be used for membrane production for wastewater treatment using membrane technology. Polymeric membranes have the disadvantage of high fouling tendency when used for oil-water wastewater
  • reducing the membrane flux. In this study
  • a simple superficial modification with polydopamine (PDA) coating was used
  • combined with the electrospinning technique to create an additional layer over the hydrophobic commercial polyvinylidene fluoride (PVDF) membrane
  • to achieve a hydrophilic surface and fouling resistance for oil-water separation. PVDF microfiltration membrane
  • with 0.22 of pore size
  • was modified with PDA by deposition for 12 h. A layer of polyvinylpyrrolidone-co-polymethyl methacrylate (PVP-co-PMMA) was electrospun over the modified polydopamine membrane.
Weitere Details
Ausgabe
171
Interne Referenz
2501
Veröffentlichung öffnen

Modified Rhamnogalacturonan-Rich Apple Pectin-Derived Structures: The Relation between Their Structural Characteristics and Emulsifying and Emulsion-Stabilizing Properties

Autor
Jessika N. Humerez-Flores , Sarah H. E. Verkempinck, Clare Kyomugasho, Paula Moldenaers, Ann M. Van Loey and Marc E. Hendrickx
Jahr
2021
Quelle
Foods
Sprache
English
Seiten
1586
  • 2424
  • apple pectin; rhamnogalacturonan-I; side chains; structuralmodifications; emulsion; stability
  • LUMiFuge
  • LF
6 weitere
  • LUMiSizer
  • LS
  • food
  • nutrition
  • Accelerated Physical Stability Test
  • Evaluation of the physical stability of the pectin-containing emulsions
Weitere Details
Ausgabe
10
Interne Referenz
2424
Veröffentlichung öffnen

Modular Type III Porous Liquids based on Porous Organic Cage Microparticles

Autor
Aiting Kai, Benjamin D. Egleston, Rob Clowes, Michael E. Briggs, Andrew I Cooper and Rebecca L. Greenaway
Jahr
2021
Quelle
Materials Chemistry
Sprache
English
Seiten
1-19
  • 2479
  • LS
  • To quantify the dispersion stability
  • a LUMiSizer® was used to accelerate the creaming or sedimentation process for 12.5 wt. % dispersions of CC3-R/CC3-S (particle size: 500–700 nm) in both silicone oil and [BPy][NTf2]. Porous organic cage
4 weitere
  • Porous liquids
  • The dispersion of particulate porous solids in size-excluded liquids has emerged as a method to create Type III porous liquids
  • mostly using insoluble microporous materials such as metal-organic frameworks (MOFs) and zeolites. Here
  • we present the first examples of Type III porous liquids based on porous organic cages (POCs).
Weitere Details
Interne Referenz
2479
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Mono- and Dicationic DABCO/Quinuclidine Composed Nanomaterials for the Loading of Steroidal Drug: 32 Factorial Design and Physicochemical Characterization

Autor
Ana R. Fernandes, Elena Sanchez-Lopez, Antonello Santini, Tiago dos Santos, Maria L. Garcia, Amélia M. Silva and Eliana B. Souto
Jahr
2021
Quelle
Nanomaterials
Sprache
English
Seiten
2758
  • 2533
  • LUMiSizer
  • LS
  • cationic nanoemulsions; DABCO surfactants; quinuclidine surfactants; ocular administration; triamcinolone acetonide
5 weitere
  • Oil-in-water nanoemulsions (NEs) are considered a suitable nanotechnological approach to improve the eye-related bioavailability of lipophilic drugs.Triamcinolone acetonide (TA) is one of the first pharmacologic strategies applied as an intravitreal injection in the treatment of age-related macular degeneration (AMD)
  • pharmaceutical
  • medicine
  • Accelerated Stability Analysis
  • simulated long-term physical stability of NE
Weitere Details
Ausgabe
11(10)
Interne Referenz
2533
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Nanocomposite hydrogels from the self-assembly of an amphiphilic polymer and fullerene

Autor
Théo MERLAND
Jahr
2021
Quelle
THESE DE DOCTORAT
Sprache
English
Seiten
1-226
  • 2643
  • LUMiSizer
  • LS
  • The stability of the Ouzo particles was studied by both macroscopic observations and analytical centrifugation
14 weitere
  • The morphology and size of the particles was assessed by TEM
  • light scattering and analytical centrifugation.
  • Analytical centrifugation
  • particles characterization by transmission electron microscopy
  • light scattering and analytical centrifugation
  • Buckminsterfullerene (C60) is the most common member of the fullerenes family
  • which are the zero-dimensional allotropic forms of carbon
  • polysoaps XCn are amphiphilic macromolecules that consist
  • in this work
  • of a poly(styrene) backbone of which X% units carry surfactant-like units based on a quaternary ammonium group as the polar head and bearing a long alkyl side chain with n carbon atoms. When these polymers are solubilized in water
  • they self-assemble into micelles of various morphologies depending on their chemical structure: lamellas for 35mol%<X<55mol% and worm-like micelles for 65mol%<X<80mol%. In both cases
  • at higher concentration
  • above a percolation concentration
  • physical hydrogels are formed that display viscoelastic properties. Hydrogels based on polymeric cylindrical micelles are more homogeneous and dynamic than hydrogels based on lamellas.
Weitere Details
Ort
LE MANS UNIVERSITE COMUE UNIVERSITE BRETAGNE LOIRE, France
Interne Referenz
2643
Veröffentlichung öffnen

Nonaqueous inkjet ink and printed material of same

Autor
篤美 白井 佐々木 寛
Jahr
2021
Quelle
Patent application
Sprache
Japanese
  • 2813
  • LRX
  • LUMiReader X-Ray
  • One embodiment of the present invention relates to a nonaqueous inkjet ink which contains (A) an organic solvent
18 weitere
  • (B) scale-like metal particles and (C) an additive for surface tension regulation
  • wherein: the organic solvent (A) contains (a1-1) an alkylene glycol monoalkyl ether solvent represented by general formula 1 in an amount of from 10% by mass to 75% by mass relative to the total amount of the organic solvent (A); the scale-like metal particles (B) have an average thickness (t) of from 1 nm to 50 nm; and the content of the scale-like metal particles (B) relative to the total amount of the nonaqueous inkjet ink is from 0.1% by mass to 5% by mass.The settling distance can be measured using
  • for example
  • a separation characteristic analyzer (LUMiReader X-Ray manufactured by MS Scientific Co.
  • Ltd.). Specifically
  • 2 mL of well-mixed ink is encapsulated in a sample cell (a rectangular parallelepiped with internal dimensions of 10 mm in length × 10 mm in width × 80 mm in height)
  • and the horizontal X-ray transmittance of the sample cell is measured immediately after encapsulation. To do. Next
  • a graph is created in which the measurement results are plotted
  • with the horizontal axis representing the measurement position of the sample cell (height of the sample cell (mm)) and the vertical axis representing the X-ray transmittance (%) at the measurement position. The X-ray transmittance is low on the bottom surface side of the sample cell (the height of the sample cell is 0 mm)
  • and is high on the opening side of the sample cell (the height of the sample cell is 20 mm). When observing the change in X-ray transmittance from the bottom surface side to the opening side of the sample cell
  • the "position (height) A of the sample cell" when the X-ray transmittance changes by 10% / mm or more is set.
  • The upper end (that is
  • the interface between the suspension phase and the supernatant phase) where the scaly metal particles (B) in the ink are present. In the graph
  • the position (height) of the sample cell at the point where the X-ray transmittance starts to change by 10% / mm or more can be defined as the “position (height) A of the sample cell”. Then
  • 24 hours later
  • the same measurement is performed to obtain the "position (height) B of the sample cell". The distance at which the position of the upper end changes during 24 hours is defined as the settling distance (settling distance (mm / day) = A (mm) -B (mm)). Toyo Ink SC Holdings Co.
  • Ltd.
  • Toyocolor Co.
Weitere Details
Ausgabe
WO2021095339A1
Interne Referenz
2813
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On the drying kinetics of non-spherical particle-filled polymer films: A numerical study

Autor
Víctor-Alfonso Gracia-Medrano-Bravo, Philip Scharfer, Wilhelm Schabel
Jahr
2021
Quelle
AIChE J.
Sprache
English
Seiten
1-11
  • 2495
  • transport phenomena and fluid mechanics
  • coating
  • drying
10 weitere
  • drying regime maps
  • plate-like particles
  • polymer-particle composites
  • LUMiSizer
  • LS
  • Sedimentation measurements
  • sedimentation rate was measured using a LUMiSizer centrifuge
  • During the coating and drying of thin polymer-particle composites
  • the particle geometry has a big impact on the prediction of concentration profiles in the dry film. In this work
  • a plate-like geometry is used to evaluate the mass transport of the particles with the aspect ratio as a variable. The experimental determination of the viscosity and sedimentation rates allows to simulate concentration profiles in the wet film while drying.
Weitere Details
Ausgabe
e17398
Interne Referenz
2495
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On the properties of nanosilicate-based filled dental adhesives: Synthesis, characterization, and optimized formulation

Autor
Laleh Solhi, Mohammad Atai, Azizollah Nodehi, Mohammad Imani
Jahr
2021
Quelle
Journal of the Mechanical Behavior of Biomedical Materials
Sprache
English
Seiten
104498
  • 2421
  • LUMiReader PSA
  • LRPSA
  • biotechnology
9 weitere
  • hybrid nanoparticles (poly (acrylic acid)-grafted nanoclay/nanosilica
  • respectively
  • with platelet and spherical morphologies
  • abbreviated as PAA-g–NC–Sil) in different concentrations (0
  • 0.2
  • 0.5
  • 1
  • 2 and 5 wt%) to an experimental dentin bonding system and investigated the physical properties of the filled adhesive and its shear bond strength (μ-SBS) to dentin
  • stability of modified fillers dispersion by separation analysis
Weitere Details
Ausgabe
119
Interne Referenz
2421
Veröffentlichung öffnen

On the State and Stability of Fuel Cell Catalyst Inks

Autor
Shalmali Bapat, Christopher Giehl, Sebastian Kohsakowski, Volker Peinecke, Michael Schäffler, Doris Segets
Jahr
2021
Quelle
Advanced Powder Technology
Sprache
English
Seiten
3845-3859
  • Analytical centrifugation (AC) was used to study the state and stability of inks.
  • 2337
  • LUMiSizer
  • LS
9 weitere
  • Analytical centrifugation
  • PEMFC Catalyst ink
  • Dispersion
  • Stability trajectory
  • Rheology
  • we demonstrate several possibilities for qualitative and quantitative assessment of the catalyst inks
  • by employing a table-top AC device
  • namely LUMiSizer
  • analytical photocentrifuge
Weitere Details
Ausgabe
32, Issue 10
Interne Referenz
2337
Veröffentlichung öffnen

One-step preparation of Cr2O3-based inks with long-term dispersion stability for inkjet applications

Autor
Dongjin Xie, Qiuyi Luo, Shen Zhou, Mei Zu and Haifeng Cheng
Jahr
2021
Quelle
Nanoscale Advances
Sprache
English
  • 2425
  • LUMiSizer
  • LS
  • Inkjet printing of functional materials has shown a wide range of applications in advertising
9 weitere
  • OLED display
  • printed electronics and other specialized utilities that require high-precision
  • mask-free
  • direct-writing deposition techniques. ball-milled Cr2O3 ink and (c) colloidal Cr2O3 ink
  • dispersion stability of the colloidal ink compared with the conventional top-down ball-milled ink is demonstrated by an analytical centrifuge technology
  • pigments
  • instability index
  • additive manufacturing
  • 3d printing
Weitere Details
Ausgabe
Advance Article
Interne Referenz
2425
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Percolation of rigid fractal carbon black aggregates

Autor
Fabian Coupette, Long Zhang, Björn Kuttich, Andrei Chumakov, Stephan V. Roth, Lola González-García, Tobias Kraus, and Tanja Schilling
Jahr
2021
Quelle
J. Chem. Phys.
Sprache
English
Seiten
124902
  • 2480
  • LUMiSizer
  • LS
  • Size distribution characterization
8 weitere
  • Carbon black diameters were analyzed by analytical centrifugation (AC) using a LUMiSizer 651
  • psd
  • psa
  • particle size distribution
  • analysis
  • carbon black/toluene suspensions
  • blue wavelength of 470 nm
  • We examine network formation and percolation of carbon black by means of Monte Carlo simulations and experiments.
Weitere Details
Ausgabe
155
Interne Referenz
2480
Veröffentlichung öffnen

Physical properties and salt release of potato starch-based emulsion gels with OSA starch-stabilized oil droplets

Autor
Yanhui Zhang, Hao Yang, Hongxia Zheng, Dongdong Yuan, Like Mao
Jahr
2021
Quelle
LWT
Sprache
English
Seiten
110929
  • LUMiSIzer
  • LS
  • nutrition
  • 2373
8 weitere
  • Starch
  • Microstructure
  • Rheology
  • Texture
  • Salt
  • Emulsion gels with potato starch in the continuous phase and octenyl succinic anhydride (OSA) starch at the interface were developed
  • and they were used to modulate salt release
  • Creaming stability of the emulsions was evaluated by a multi-sample analysis centrifuge LUMiSizer
Weitere Details
Ausgabe
141
Interne Referenz
2373
Veröffentlichung öffnen

Physicochemical Properties of Modified Starches Obtained by Anti-Solvent Precipitation Containing Anthocyanins from Jambolan (Syzygium cumini) Fruit

Autor
Kennya Thayres dos Santos Lima, Jussara Garcez, Maria Jaízia dos Santos Alves, Alcilene Rodrigues Monteiro, Germán Ayala Valencia
Jahr
2021
Quelle
Starch
Sprache
English
Seiten
2000221
  • 2507
  • centrifugal liquid sedimentation method
  • using a LUMiSizer
  • LS
15 weitere
  • This study aims to develop and characterize modified starch particles containing anthocyanins (ACNs) from jambolan (Syzygium cumini) fruit
  • produced by an anti-solvent precipitation method. Trapping efficiency
  • particle size distribution
  • surface charge
  • crystalline structure
  • chemical bonds
  • thermal properties
  • moisture content
  • water activity
  • color
  • and desorption experiments are carried out in modified cassava starch (MCS) and modified potato starch (MPS)
  • both containing ACNs. Physicochemical properties of MCS and MPS both containing ACN (MCS-ACN and MPS-ACN) are compared using native cassava and potato starches
  • as well as modified cassava and potato starches without ACNs. ACNs are trapped into the modified starches and the trapping efficiency value oscillates between 9.89% and 12.37%. The resulting MCS-ACN and MPS-ACN- powders display bimodal distributions with particle size lower than 900 nm and amorphous structure. Furthermore
  • the MCS-ACN and MPS-ACN powders show red color typical of ACNs and they are completely soluble in water and acidified water solutions at room temperature. This research reports for the first-time
  • information regarding the stabilization of ACNs using modified starch particles.
Weitere Details
Ausgabe
73, Issue3-4
Interne Referenz
2507
Veröffentlichung öffnen

Pickering emulsions stabilized by spherical cellulose nanocrystals

Autor
Hui Dong, Qijun Dingm Yifei Jiang, Xia Li, Wenjia Han
Jahr
2021
Quelle
Carbohydrate Polymers
Sprache
English
Seiten
118101
  • 2504
  • LUMiSizer
  • LS
  • the emulsions were transferred into the laboratory standard instrument stability analyzer LUMi Sizer
5 weitere
  • Nano cellulose has attracted more attentions as promising stabilizer candidate for Pickering emulsions due to its renewable and biocompatible properties. In this work
  • spherical cellulose nanocrystals (S-CNCs) (diameter 30–60 nm) were prepared by mixed acid hydrolysis of mercerized microcrystalline cellulose under the treatment of ultrasonic.Spherical cellulose nanocrystals
  • Pickering emulsion
  • high stability
  • Ultra-low viscosity
Weitere Details
Ausgabe
265
Interne Referenz
2504
Veröffentlichung öffnen

Pilot scale isolation of exopolysaccharides from Streptococcus thermophilus DGCC7710: Impact of methodical details on macromolecular properties and technofunctionality

Autor
Carsten Nachtigall, Georg Surber, Jannis Bulla, Harald Rohm, Doris Jaros
Jahr
2021
Quelle
Eng Life Sci.
Sprache
English
Seiten
220-232
  • 2488
  • Emulsion stability was investigated with an analytical photo-centrifuge LUMiSizer
  • LS
  • Creaming velocity distribution
21 weitere
  • particle characterisation
  • Exopolysaccharides (EPS) from Streptococcus thermophilus provide similar technofunctionality such as water binding
  • viscosity enhancing and emulsifying effects as commercial thickeners at a significant lower concentration. Despite their high technofunctional potential
  • hetero polysaccharides from lactic acid bacteria are still not commercially used in unfermented foods
  • as the small amount of synthesised EPS calls for a high isolation effort. This study aims to analyse the macromolecular properties of EPS and cell containing isolates from S. thermophilus DGCC7710 obtained by different isolation protocols
  • and to link these data to the technofunctionality in model food systems. biotechnology
  • food
  • nutrition
  • cEPS
  • capsular exopolysaccharides; EPS
  • Exopolysaccharides; FD
  • freeze-dried; fEPS
  • free exopolysaccharides; SD
  • spray-dried; S. thermophilus
  • Streptococcus thermophilus; tEPS
  • total exopolysaccharides
  • acid milk gels
  • emulsion
  • exopolysaccharides
  • isolation
  • lactic acid bacteria
Weitere Details
Ausgabe
21
Interne Referenz
2488
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