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Fachpublikationen, Anwendungen und wissenschaftliche Beiträge aus der LUM Literaturdatenbank.

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3140 Ergebnisse

METALWORKING ADDITIVES - INDUSTRIAL FLUIDS & LUBRICANTS - Essentials for longer lifetime metalworking fluids

Autor
KAO Corporation
Jahr
2022
Quelle
https://www.kaochemicals-eu.com/uploads/docs/g/m/9/qny-brochure_metalworking_online.pdf
Sprache
English
Seiten
1-13
  • 2954
  • LUMiFuge
  • LF
  • LUMiSizer
8 weitere
  • LS
  • HLB
  • Hydropilic-Lipophilic-Balance
  • emulsion
  • stability
  • lubricants
  • coolants
  • KSS
Weitere Details
Ausgabe
Edited August 2022. EU Version
Interne Referenz
2954
Veröffentlichung öffnen

Method of improving the texture and functionality of a dry fractionated plant protein concentrate beverage

Autor
Timothy James Wooster, Marina BORTOLIN, Ludovic PENSEYRES, Pierre-Alain RICHON, Christina VAFEIADI
Jahr
2022
Quelle
WO2022053631A1
Sprache
English
  • 2963
  • Figure 11 : Change in Faba concentrate milk alternative (4.15% faba concentrate
  • 3.25% sucrose
  • 3.5% fat) A) viscosity or B) lumifuge instability index of C)-E) shelf stability after 25 days at 25°C as function of gellan content.
8 weitere
  • LF
  • LUMiSizer
  • LS
  • Société des Produits Nestlé S.A.
  • food
  • nutrition
  • The invention relates in general to a method of making a plant based liquid
  • said method comprising dispersing triglyceride in a plant protein mixture; forming an emulsion; applying a thermal treatment to the emulsion; and applying a shear treatment to the thermal treated emulsion to form a plant based liquid. Vegetable proteins
Weitere Details
Interne Referenz
2963
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Micelas de copolímeros em bloco à base de maltoheptaose contendo ftalocianina de magnésio para aplicação em terapia fotodinâmica

Autor
Lia Mallmann Mattiazzi
Jahr
2022
Quelle
Dissertação de mestrado
Sprache
Portuguese
  • 2636
  • LUMiSizer
  • LS
  • O desenvolvimento de novos nanocarreadores para os chamados fotossensibilizadores (FS) de terceira geração vêm contribuindo significativamente para a evolução da terapia fotodinâmica (TFD). Por apresentar máxima absorção em comprimento de onda dentro do intervalo da janela fototerapêutica (600-800 nm)
1 weitere
  • baixa degradação fotoquímica e adequado rendimento quântico de oxigênio singleto (Ф
Weitere Details
Ort
UFSM Brazil
Interne Referenz
2636
Veröffentlichung öffnen

microparticles: Validation, measurement range, coincidence and estimation of uncertainty

Autor
Lerche, Dietmar; Woehlecke, Holger; Wollik, Elia; Hussels, Martin
Jahr
2022
Quelle
9th World Congress on Particle Technology (WCPT9)
Sprache
English
Seiten
46
  • Particle size distribution
  • particle counts
  • particle concentration
  • uncertainty
7 weitere
  • SPLS-Technology
  • LUMiSpoc
  • Scattering simulation
  • 3042
  • LSpoc
  • high resolution of number-based size distribution of nano and submicron-particles together with the level of concentration. psd
  • psa
Weitere Details
Ausgabe
ABSTRACTS’ BOOK
Ort
Madrid, Spain, 18-22 September 2022
Interne Referenz
3042
Veröffentlichung öffnen

Mini-review on application of analytical centrifugation, ultracentrifugation and centrifugal devices to phase equilibria and separation processes

Autor
Kotaro Oshima, Kentaro Nakamura, Haixin Guo, Richard Lee Smith Jr
Jahr
2022
Quelle
Fluid Phase Equilibria
Sprache
English
Seiten
113457
  • 2677
  • LUMiSizer
  • LS
  • Experimental technique
8 weitere
  • Nanotechnology
  • Process intensification
  • Osmotic pressure
  • Deep eutectic solvents
  • Solid-liquid equilibria
  • Analytical centrifugation (AC) and analytical ultracentrifugation (AUC) are now standard techniques for studying proteins
  • biological molecules and polymers and are beginning to be applied to nanotechnology
  • materials and chemical sciences. AC and AUC techniques allow the rapid determination of the properties of molecular species in their native solutions and provide insight into the molecular interactions of colloidal systems.
Weitere Details
Ausgabe
558
Interne Referenz
2677
Veröffentlichung öffnen

Mining Marine Metagenomes Revealed a Quorum-Quenching Lactonase with Improved Biochemical Properties That Inhibits the Food Spoilage Bacterium Pseudomonas fluorescens

Autor
Rami Haramati, Shlomit Dor, David Gurevich, Doron Levy, Dekel Freund, Giora Rytwo, Itai Sharon, Livnat Afriat-Jurnou
Jahr
2022
Quelle
Applied and Environmental Microbiology
Sprache
English
Seiten
1-15
  • 2716
  • LS; quorum-quenching lactonase
  • quorum-sensing
  • metagenomics
16 weitere
  • Pseudomonas fluorescens
  • biofilm
  • bacterial food spoilage
  • enzyme characterization
  • exoprotease activity
  • Fig. 6B shows the light transmission as measured by the LUMIsizer
  • of P. fluorescens-treated milk-based cultures. We examined the integrated transmission percentage in the milk-based bacterial cultures
  • with and without purified moLRP; skim-milk medium alone was used as a control. Over time
  • control samples containing skim-milk medium alone remained as homogenous suspensions even after 10 h of centrifugation
  • whereas skim-milk medium inoculated with P. fluorescens started destabilization
  • aggregation
  • and sedimentation processes after 4 h of centrifugation. Light transmission of bacterial cultures over time measured by LUMisizer analytical centrifuge. The graph presents the integrated light transmission of the upper 20% of each test tube with bacterial cultures against time. Bacterial cultures were incubated with and without purified moLRP. Particle velocity distribution analysis by a dispersion analyzer
  • LUMisizer. To quantify the inhibi- tory effect of purified moLRP on milk proteolysis and sedimentation in the presence of P. fluorescens
  • we used the LUMisizer 6110 (LUM GmbH
  • Germany)
  • an analytical dispersion analyzer.
Weitere Details
Ausgabe
Volume 88 Issue 4 e01680-21
Interne Referenz
2716
Veröffentlichung öffnen

Molecular structure modification of ovalbumin through controlled glycosylation with dextran for its emulsibility improvement

Autor
Yimei Zheng, Yu Chang, Biying Luo, Hui Teng, Lei Chen
Jahr
2022
Quelle
International Journal of Biological Macromolecules
Sprache
English
Seiten
1-8
  • 2671
  • LUMiSizer
  • LS
  • Ovalbumin glycoconjugates
12 weitere
  • Molecular structure modification
  • Emulsifying property
  • Ovalbumin (OVA) is a high nutritious protein
  • but the poor emulsibility limited its application. The present study glycosylated OVA with dextran (Dex) by controlled wetheating (60–90 °C for 3 h). Temperature was an inductive factor for glycosylation degree (DG and browning intensity)
  • and higher temperature could accelerate the reaction. Variations in molecular structure of OVA were analyzed by SDS-PAGE
  • FTIR
  • fluorescence spectroscopy and UV spectroscopy
  • which verified successes in the generation of glycoconjugate with more flexible structure. Emulsifying activity index (EAI) and emulsion stability index (ESI) for the emulsion of OVA-Dex glycoconjugates were significantly enhanced with the increasing of glycosylation temperature. Moreover
  • confocal laser scanning results revealed that the emulsion exhibited smaller size and more uniform distribution
  • and slower transmission profiles were checked by LUMiSizer centrifugal analysis as well
  • confirming the emulsibility improvement of OVA. nutrition
  • food
Weitere Details
Ausgabe
194
Interne Referenz
2671
Veröffentlichung öffnen

Multi-dimensional approaches for the sedimentation analysis of model systems and technical dispersions, Mehrdimensionale Ansätze für die Sedimentationsanalyse von Modellsystemen und technischen Dispersionen

Autor
Maximilian Johannes Uttinger
Jahr
2022
Quelle
Dissertation
Sprache
English
Seiten
1-212
  • 2682
  • LUMiSizer
  • LS
  • Analytical centrifugation
19 weitere
  • AUC
  • Fundamentals of analytical (ultra-) centrifugation
  • AC experiments of all dispersions were carried out according to ISO 13318-2
  • Custom-made analytical centrifuge with sector-shaped centerpieces-LUMiSIzer
  • sedimentation analysis of the particle and NP dispersions
  • Modern particle technology is strongly focused on particle and nanoparticle systems with various applications
  • such as printable electronics or biomedical sensors. In product design
  • the physical properties of the particles
  • i.e. particle size
  • density or composition and in particular interparticle interactions define final macroscopic quantities of the particulate products. In this context
  • comprehensive characterization techniques are inevitable as synthesis and process protocols require continued optimization steps. For a holistic characterization of particle dispersions directly in fluid phase
  • a strong focus lies on fractionating techniques
  • in particular on a multi-dimensional sedimentation analysis. While analytical ultracentrifugation is well-established for the analysis of (biological) macromolecules and particle dispersions with high resolution and provides unique insight into interparticle interactions
  • analytical centrifugation has recently emerged as a fast and efficient table-top technique for high-precision characterization of particle dispersions. While the sedimentation analysis of model systems is well-established for analytical ultracentrifugation experiments
  • the full potential of analytical centrifugation must still be explored. Moreover
  • for technical dispersions
  • which are associated with high particle volume concentrations
  • concentration-driven non-ideality phenomena can be studied using analytical ultracentrifugation or analytical centrifugation. This provides a direct link to the determination of interparticle interactions of particle and nanoparticle dispersions. In this context
  • analytical centrifugation serves as a fast and efficient sample screening tool and provides access to the sedimentation properties as well as their concentration-driven effects with less experimental effort. The complex interplay between non-specific interparticle interactions and the effect of particle size and polydispersity on the sedimentation behavior needs to be fully understood to enable the development of targeted product design strategies.
Weitere Details
Ort
Technische Fakultät der Friedrich-Alexander-Universität Erlangen-Nürnberg , Germany
Interne Referenz
2682
Veröffentlichung öffnen

Multi-Reflectance-Spectroscopy, Part I: Theory and Calculations Using Simulated Milk Samples

Autor
Henry Mittenzwey, Klaus-Henrik Mittenzwey, Gert Sinn, Sebastian Boldt,and Dietmar Lerche
Jahr
2022
Quelle
Applied Spectroscopy
Sprache
English
  • LUMiFlector
  • LFlec
  • 2741
  • Optical methods are appropriate for monitoring of constituents in suspensions and emulsions. A simple multi-wavelength
7 weitere
  • multi-reflectance spectroscopic technique
  • called MRS-Technology
  • he spectral behavior of the analytical reflectances is very similar to that of the numerical MC reflectances in the case of medium and low absorptions. By means of simple multilinear regression techniques (MLR)
  • simple correlations between fat and protein volume fractions and reflectances could be generated with acceptable root mean square error (RMSE) values. Each correlation shows that best results will be achieved by using reflectances at sample-specific wavelengths for small and large measuring volumes of a sample indicating the potential of the MRS-Technology. dairy
  • milk
  • nutrition
  • dry matter
Weitere Details
Ausgabe
76, Issue 12, First published online October 5, 2022
Interne Referenz
2741
Veröffentlichung öffnen

Multidimensional characterization of noble metal alloy nanoparticles

Autor
Paola Cardenas Lopez, Maximilian J. Uttinger, Nabi Traoré, Monica Distaso, Wolfgang Peukert, Johannes Walter
Jahr
2022
Quelle
International Conference Dispersion Analysis & Materials Testing 2022
Sprache
English
Seiten
1-2
  • 2566
  • Multidimensional characterization
  • sedimentation analysis
  • analytical ultracentrifugation
5 weitere
  • plasmonic nanoparticles
  • optical back coupling method
  • LUMiSizer
  • LS
  • new analytical method that enables multi-parameter characterization of particle size and composition distributions of noble metal alloy nanoparticles
Weitere Details
Ausgabe
Abstracts
Ort
Virtual, 24-25 January 2022
Interne Referenz
2566
Veröffentlichung öffnen

Multifunctional Biosurfactants with Unusual pH Sensitive Interfacial Behavior for Remediation of Iron and Zinc Sulfide Formation Damage

Autor
HCA Yong, K Tooker, KV Pham, R Arriaga
Jahr
2022
Quelle
https://onepetro.org/SPEOSS/proceedings-abstract/22OSS/1-22OSS/D011S003R002/485590
Sprache
English
  • 2639
  • LUMiSIzer
  • LS
  • Accelerated dispersion instability of metal sulfide particulates in surfactant solutions were assessed using a centrifugal sedimentation method on a LUMiSizer
Weitere Details
Interne Referenz
2639
Veröffentlichung öffnen

NLC a base di oli essenziali del Mediterraneo per la veicolazione di clotrimazolo: trattamento sinergico per le infezioni cutanee da Candida

Autor
Claudia Carbone * Cinzia Cimino * Teresa Musumeci * Angela Bonaccorso * Rosario Pignatello
Jahr
2022
Quelle
https://www.natural1.it/wp-content/uploads/2022/04/carbone-mag22.pdf
Sprache
Italian
Seiten
56-63
  • 2640
  • LUMiSizer
  • LS
  • Per confermare la stabilità dei sistemi realizzati
5 weitere
  • abbiamo sfruttato la tecnologia LUMiSizer®
  • che offre la possibilità di ottenere maggiori informazioni sulla stabilità del campione (in termini di separazione delle particelle) rispetto ai tradizional
  • . Il LUMiSizer® è in grado di rilevare la stabilità di una dispersione non diluita e di stimarne la shelf-life in minuti/ore anziché in mesi/anni
  • sfruttando la forza centrifuga per accelerare il verificarsi di fenomeni di instabilità (sedimentazione
  • flocculazione o creaming). Velocità di creaming a forza di gravità normale ottenuta dal LUMiSizer® per le NLC con lavanda e rosmarino preparate con e senza clotrimazolo.
Weitere Details
Ausgabe
natural 1 maggio 2022
Interne Referenz
2640
Veröffentlichung öffnen

Particle Formulation Science: Principles and Practice

Autor
Prof Steven Abbott
Jahr
2022
Quelle
https://www.stevenabbott.co.uk/_downloads/Particle%20Formulation%20Science%20Principles%20and%20Practice.pdf
Sprache
English
Seiten
1-126
  • LUMiSizer
  • LS
  • 2598
  • RST data from a LUMiSizer
4 weitere
  • HSP
  • HDP
  • Hansen Solubility
  • Dispersibility Parameters
Weitere Details
Interne Referenz
2598
Veröffentlichung öffnen

Particle Size Control for Functionalization of Iron Oxide Nanoparticles with Potential Applications in Diagnostics

Autor
Hiep Vo Tran
Jahr
2022
Quelle
Master’s thesis
Sprache
English
Seiten
1-164
  • LS
  • LUMiSizer
  • 2807
  • Sample Preparation for LumiSizer
15 weitere
  • measuring the particle size of IONPs is the use of a dispersion analyzer LumiSizer
  • Iron oxide nanoparticles
  • IONPs
  • instability index of IONPs
  • Particle size distribution of IONPs.
  • medical pharmaceutical
  • diagnostics
  • polyvinylpyrrolidone
  • silanization
  • colloidal stability
  • Small average diameter along with narrow particle size distribution is required to provide a satisfactory magnetic saturation performance of iron oxide nanoparticles (IONPs) for diagnostic applications. The use of polyvinylpyrrolidone (PVP) as a coating agent has previously been reported by other studies to control the particle size
  • to obtain highly monodisperse particles
  • and to reduce agglomerations of IONPs synthesized by the co-precipitation method
  • this thesis reports the optimization of colloidal stability using various masses of IONPs and various molecular weights and concentrations of PVP for efficient coating
  • followed by silanization
Weitere Details
Ort
NTNU Norwegian University of Science and Technology, Faculty of Natural Sciences, Department of Chemical Engineering
Interne Referenz
2807
Veröffentlichung öffnen

Pectin Stabilized Fish Gelatin Emulsions: Physical Stability, Rheological, and Interaction Properties

Autor
Sheng Huang, Hui Wang, Shu Wang,Xiaomei Sha, Ning Chen, Yueming Hu, and Zongcai Tu
Jahr
2022
Quelle
Front Nutr.
Sprache
English
Seiten
961875
  • 2696
  • LUMiSizer
  • LS
  • pectin
9 weitere
  • fish gelatin
  • emulsions
  • non-covalent interactions
  • interface performance
  • rheological properties
  • Emulsion Stability Analysis
  • The dynamic physical stability (DPS) was determined with a LUMi-Sizer
  • nutrition
  • food
Weitere Details
Ausgabe
9
Interne Referenz
2696
Veröffentlichung öffnen

Photo curable resin for 3D printed conductive structures

Autor
Shang-ChengTsai, Ling-Hsuan Chen, Chia-Pei Chu, Wei-Cheng Chao, Ying-Chih Liao
Jahr
2022
Quelle
Additive Manufacturing
Sprache
English
Seiten
102590
  • 2579
  • LUMiSizer
  • LS
  • additive manufacturing
15 weitere
  • 3D printing
  • Conductive structures
  • Digital light processing (DLP)
  • UV curable resin
  • In this study
  • a new resin formulation method was developed to fabricate 3D printed conductive structures via digital light processing (DLP) 3D printing technology. Metal fillers
  • such as silver-coated copper flakes (AgCu) and silver nanoparticles (AgNP)
  • were tested for conductive resin formulation. With low UV shielding and printing derivation
  • AgCu was selected as the conductive filler
  • and mixed with a photo curable acrylic resin. To resolve the sedimentation problem of metal fillers
  • carbon nanotubes (CNT) were added as a thickening agent to provide a supportive network to stop the metal fillers from settling. With the CNT addition
  • AgCu up to 70 wt% can be well dispersed in the acrylic resin with both fluidity and suspension stability. The resin can be printed into 3D metal circuitry structures with a conductivity up to 1000 S/cm without sintering. 3D printing
  • also known as additive manufacturing technology
  • ... was measured by a centrifugal analyzer (LUMisizer
  • LUM) at 4000 rpm.
Weitere Details
Ausgabe
51
Interne Referenz
2579
Veröffentlichung öffnen

Physicochemical and nutritional properties of high protein emulsion-type lupin-based model milk alternatives: effect of protein source and homogenization pressure

Autor
Martin Vogelsang-O'Dwyer, Aylin W Sahin, Emanuele Zannini and Elke K Arendt
Jahr
2022
Quelle
J Sci Food Agric
Sprache
English
Seiten
5086–5097
  • LS
  • 2984
  • LUMiSizer
  • Lupin-based milk alternatives (LMAs)
7 weitere
  • Accelerated physical stability analysis Stability was measured using an analytical centrifuge LUMiSizer
  • Separation rate in percentage/min for lupin-based milk alternatives and commercial products. : Plant-based milk alternatives are becoming more popular. However
  • many are low in nutrients
  • particularly protein. More attention is being given to plant protein isolates / concentrates as potential ingredients in high-protein milk alternative formulations. : The effect of lupin protein source on the physicochemical
  • functional
  • and nutritional characteristics of model milk alternatives was investigated. Milk alternatives were produced with either blue lupin or white lupin protein isolate
  • formulated to contain similar levels of protein and fat as low-fat cow's milk.
Weitere Details
Ausgabe
102
Interne Referenz
2984
Veröffentlichung öffnen

Platform for Active Vaccine Formulation Using a Two-Mode Enhancement Mechanism of Epitope Presentation by Pickering Emulsion

Autor
Guy Mechrez, Karthik Ananth Mani, Abhijit Saha, Oded Lachman, Neta Luria, Ori Molad, Liliya Kotliarevski, Einat Zelinger, Elisheva Smith, Noga Yaakov, Dalia Shabashov Stone, Meital Reches, and Aviv Dombrovsky
Jahr
2022
Quelle
ACS Appl. Bio Mater.
Sprache
English
Seiten
3859−3869
  • 3177
  • virus-like-particles
  • subunit vaccines
  • epitope-based vaccination
16 weitere
  • Pickering emulsion
  • plant virus
  • LS
  • LUMiSizer
  • medicine
  • medical
  • pharmaceutical
  • The stability of the emulsions was characterized by LUMiSizer
  • and the results are depicted in Figure S5. The values of the instability index
  • The recent emergence of the SARS-CoV-2 pandemic has emphasized the need for rapid vaccine development strategies
  • which can be readily adapted to pathogen variations and to specific pathogen-related needs. The current SARS-CoV-2 vaccine technologies can be classified into two main categories: (i) nucleic-acid-based vaccines
  • which include mRNAs and DNA plasmids that encode viral antigenic proteins produced by the host cells
  • as well as viral vector-based vaccines and attenuated live-viruses
  • and (ii) protein-based vaccines
  • which are based on the presentation of antigenic viral peptides
  • as well as inactivated whole virus and subunit vaccines.
Weitere Details
Ausgabe
5
Interne Referenz
3177
Veröffentlichung öffnen

Prediction of physical suspension stability in product development for shorter time-to-market

Autor
David Hespeler
Jahr
2022
Quelle
International Conference Dispersion Analysis & Materials Testing 2022
Sprache
English
Seiten
1-2
  • 2545
  • LUMiSizer
  • LS
  • suspensions
11 weitere
  • physical stability
  • stability prediction
  • sedimentation
  • product development
  • pharmaceutical
  • Ability assessment of LUMiSizer® to predict physical long-term suspension stability and identification of optimal formulation composition (type of gelling agent) for a market product
  • smartPearls® were incorporated in various gels for dermal application
  • e.g. stabilized with the viscosity enhancer hydroxypropyl cellulose (HPC)
  • and viscoelastic gelling agents (carrageenan
  • polyacrylate). To predict the long-term physical stability
  • accelerated sedimentation analysis was performed with the LUMiSizer
Weitere Details
Ausgabe
Nominated for LUM Young Scientist Award 2022- Abstracts
Ort
Virtual, 24-25 January 2022
Interne Referenz
2545
Veröffentlichung öffnen

Preparation and characterization of ophthalmic fixed dose combination nanosuspensions

Autor
Katharina Pail
Jahr
2022
Quelle
Inaugural-Dissertation
Sprache
English
Seiten
136
  • LUMiSizer
  • LS; 2736
  • Sedimentation behaviour via Space and Time related Extinction Profiling
  • Sedimentation analysis was performed via analytical centrifugation
9 weitere
  • Optimization of nanosuspensions produced by wet bead milling is a complex process involving many factors that affect milling efficiency. This thesis focused on the identification of key stabilizer properties that have a direct outcome in the formation of a stable nanosuspension. Furthermore
  • critical process parameters in the preparation of fixed dose combination (FDC) nanosuspensions were described. Finally
  • formulation parameters determining the long-term physical stability of FDC nanosuspensions were described.Die Optimierung von Nanosuspensionen
  • welche über Nassvermahlung hergestellt werden
  • ist komplex da viele Faktoren die Mahleffizienz bestimmen. Diese Arbeit fokussierte sich darauf
  • Charakteristika von Stabilisatoren aufzudecken
  • welche direkten Einfluss auf die Mahleffizienz haben. Des Weiteren wurden kritische Prozessparameter in der Herstellung von Kombinationsnanosuspensionen beschrieben. Abschließend wurden Formulierungsparameter
  • welche die physikalische Langzeitstabilität der Kombinationsnanosuspension bestimmen untersucht. Loteprednol wurde mit fünf Tensiden
  • A comprehensive stabilizer screening was initially performed on the individual drugs. Loteprednol was milled in the presence of five surfactants at two concentrations.
Weitere Details
Ort
Department of Biology, Chemistry, Pharmacy of Freie Universität Berlin, Germany
Interne Referenz
2736
Veröffentlichung öffnen

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