Interfacial Properties of Dairy Ingredients: Role of Various Protein Fractions and Emulsifier Crystals AuthorXilong Zhou Year2022 SourceThesis LanguageEnglish Pages1-194 2633LUMiFugeLFLUMiSizer 4 more LS; Characterization of the milk fat emulsionsCreaming rateFront TrackingDairy based emulsions More details LocationWageningen University, The Netherlands Internal reference2633 Open publication →
Investigation of Nanoparticle Classification using Liquid Chromatography Untersuchung der Klassierung von Nanopartikeln mittels Flüssigchromatographie AuthorSebastian Süß Year2022 SourceDissertation LanguageEnglish Pages1-176 LUMiSIzerLS2806Analytical centrifugation Measurements for the determination of Hansen parameters and PSD of Au NPs were performed with a LUMiSizer LS 651 (LUM GmbH 14 more BerlinGermany) at a wavelength λ of 470 nm to maximize the sensitivity against small particles with low scattering. HSPHDPhansen solubility dispersibility parametersgold. nanoparticlesFor PSD determination of the Au NPs prior liquid chromatography experimentsthe measured sedimentation profiles were determined using polycarbonate cells and 2300 RCA. These profiles were used to calculate the PSD with an algorithm developed by Walter et al.psaparticle size distributionanalysisDispersion procedures for Hansen parameter determinationDetermination of Hansen parameters using analytical centrifugationcarbon black More details LocationFriedrich-Alexander-Universität Erlagen-Nürnberg, Germany Internal reference2806 Open publication →
ISO 9211-4:2022 Optics and photonics — Optical coatings — Part 4: Specific test methods: abrasion, adhesion and resistance to water AuthorTechnical Committee : ISO/TC 172/SC 3 Optical materials and components Year2022 Sourcehttps://www.iso.org/standard/82042.html LanguageEnglish 2641Adhesion Analyser LUMiFracLFracISO 9211 describes surface treatments of components and substrates 6 more excluding ophthalmic optics (spectacles)by the application of optical coatings and gives a standard form for their specification. It defines the general characteristics and the test and measurement methods wherever necessarybut it is not intended to define the process method. This document describes specific test methods of abrasionadhesion and resistance to water for coating environmental durability tests that are identified in ISO 9211‑3 but not described in other normative references. They are typically performed in sequence with other environmental durability testsan example is shown in ISO 9211‑3:2008Annex A. More details Internal reference2641 Open publication →
Isolation of bacterial exopolysaccharides from Streptococcus thermophilus via dynamic cross flow filtration in pilot scale AuthorFlorian Häffele, Lucas Jakob, Hermann Nirschl Year2022 SourceSeparation and Purification Technology LanguageEnglish Pages121698 2668LUMiSizerLSEPS-isolation 6 more Food additiveDynamic cross-flow-filtrationStreptococcus thermophilusWaste recoveryA variety of exopolysaccharides (EPS) producing bacterial starter cultures are manufactured for their use in food industryleaving the almost cell free and EPS containing fermentation broth as waste product.For quantification of the test results the permeate transmission was measured with the optical laboratory centrifuge LUMiSizer® More details Edition300 Internal reference2668 Open publication →
Kleinskalige Charakterisierung der Fest-Flüssig-Trennung und Betrachtung des Scherbruchs von Proteinkristallen AuthorBenjamin Radel Year2022 SourceDissertation LanguageGerman Pages1-148 2777LUMiReader PSALRPSAazf 11 more analytische ZentrifugalfiltrationacfpzfphotozentrifugalfiltrationLUMiSizerLSkleinskalige ZentrifugalfiltrationAlternative zum NutschenfilterProteinkristall; Fest-Flüssig-Trennung; Kleinstmaßstab; Bruch; Protein Crystal; Solid-Liquid Separation; Small Scale; FractureProteins are macromolecules composed of amino acids that are essential for a large number of biological metabolic processes. Proteins are also used in technical applicationsfor example to catalyze reactions. The objective of this work is to provide an indication of filterability early in the process development. A filtration cell for a centrifuge developed in this work makes it possible to characterize filtration on a small scale. More details LocationKIT Scientific Publishing, Karlsruhe Internal reference2777 Open publication →
Le statut de l’eau dans les émulsions de bitume AuthorVincent HESRY et Antonin RICHARD Year2022 SourceVIALAB Mise en service & formation LanguageFrench 2592LUMiSizerLSLUMiFuge 3 more LFViscosité des émulsions en fonction de leur teneur en liant (SFERB – Les émulsions de bitume)photocentrifugation analytique More details Edition27 janvier 2022 Internal reference2592 Open publication →
Lleal introduces a new and advanced instrument for its laboratory AuthorLleal S.A.U. Year2022 Source21 de November de 2022 LanguageEnglish Pages1 3209Lumisizer® now available in our laboratoryLSLleal S.A.U. 5 more SPAINcosmeticshome and personal carehpcpharmaceutical More details Internal reference3209 Open publication →
Lo que dicen de nostros AuthorJover Labtech Year2022 Sourcehttp://joverlabtech.com/ LanguageSpanish 2730RNB cosméticoscosmeticshome personal care More details Edition12.10.2022 20:12 Internal reference2730 Open publication →
Lo que dicen de nostros AuthorJover Labtech Year2022 Sourcehttp://joverlabtech.com/ LanguageSpanish 2731Zschimmer & Schwarztecnología STEPpsd 4 more particle size distributionspsaanalysisdispersion analysis More details Edition12.10.2022 20:12 Internal reference2731 Open publication →
LUBRICATING OIL OR GREASE WITH ANTI-WEAR, ANTI-FRICTION AND STABLE DISPERSION AND PREPARATION METHOD THEREOF AuthorLIN,Bo; LUO, Jinqion; ZHANG, Li; WAN, Xiaona; LIN, Mingzhi; LUO,Wei; FENG, Zhiheng; CHEN, Hong Year2022 SourceEUROPEAN PATENT SPECIFICATION EP 3 940 044 B1 LanguageEnglish LUMiSizerLS2846The products of Examples 1-12 and Comparative Examples 1 and 3 are evaluated for dispersion stability in the following aspects 12 more and the transmittances of each group of products are tested with LUMISizer@651. The principle is: if the dispersion stability of the product is not goodit w ill sink down to the end of the colorimetric tubeand the main test position of the transmittance is the middle of the colorimetric tube; if the graphene sinksthe transmittance will become higherindicating worse stability. Guangxi LiuGong Machinery Co.Ltd.Guangxi Tengzhi Investment Co.Ltd.The present disclosure belongs to the technical field of modified lubricating oilsand specifically relates to a lubricating oil or grease and a preparation method thereofin particular to a lubricating oil or grease that is anti-wearanti-friction and stable in dispersionand a preparation method thereof. More details Internal reference2846 Open publication →
LUMiReader X-Ray Based Investigation of TiO2 Products AuthorH. Purwin, K. L. Hoff, B. Tholen, T. Rochow, S. Böhm, A. Zierau, Th. Koch, N. Bendzko Year2022 SourceInternational Conference Dispersion Analysis & Materials Testing 2022 LanguageEnglish Pages1-2 2564KRONOS INTERNATIONALInc.Fakultät für Angewandte Naturwissenschaften 8 more TH KölnLUM GmbHeffective agglomerate densityTiO2titaniatitanium dioxideLUMiReader X-RayLRX More details EditionAbstracts LocationVirtual, 24-25 January 2022 Internal reference2564 Open publication →
LUMiSizer Based HSP Investigation of TiO2 Pigments AuthorS. Böhm, E. Kersten, M. Weckbecker, J. Wilkens, Th. Koch, N. Bendzko Year2022 SourceInternational Conference Dispersion Analysis & Materials Testing 2022 LanguageEnglish Pages1-2 2565KRONOS INTERNATIONALInc.Fakultät für Angewandte Naturwissenschaften 12 more TH KölnLUMiSizerLSTiO2titaniaTitanium DioxideHSPHansen SolubilityPigmentHansen Solubility ParametersHansen Dispersibility ParametersHDP More details EditionAbstracts LocationVirtual, 24-25 January 2022 Internal reference2565 Open publication →
LUMiSizer: an important tool in asphaltene inhibition studies AuthorLia Beraldo da Silveira Balestrin, Watson Loh Year2022 SourceInternational Conference Dispersion Analysis & Materials Testing 2022 LanguageEnglish Pages1-2 2543LUMiSizerInstability indexasphaltene 8 more inhibitorLSenergycrude oilbitumenheavy oilLUMiSizer allows assessing the performance of time-dependent experiments directly in unstable crude oils and adds information for inhibitor selectionpreviously neglected by the traditional methodologies More details EditionNominated for LUM Young Scientist Award 2022- Abstracts LocationVirtual, 24-25 January 2022 Internal reference2543 Open publication →
Lysosomal tracking with red-fluorescent solid lipid nanoparticles AuthorHellen Franciane Gonçalves Barbosa, Henrique Luis Piva, Antonio Claudio Tedesco Year2022 SourceOpen Nano LanguageEnglish Pages100069 2708LUMiSizerLS; Lysosomes Real-time tracking Probe Fluorescence imagingStability study A stability study of the dispersion was carried out using the analytical centrifugation method with spectrophotometry at 865 nm 4 more Lysosomes are organelles with many functions in cell metabolismthe morphology changes as a function of the different cellular mechanisms. Some enzymes in the lysosomal medium are responsible for the cellular digestion process. This work reports a new biocompatible lysosomethe trackerwith the long-life fluorescence emission. More details Edition8 Internal reference2708 Open publication →
Magnetic extraction of calcium oxalate crystals with iron oxide nanoparticles AuthorSebastian P. Schwaminger, Helen Werner, Michael Wengler and Shyam Srinivasan Year2022 SourceCurrent Directions in Biomedical Engineering LanguageEnglish Pages612-615 LRPSALUMiReader PSA2738Iron oxide nanoparticles 11 more Magnetic separationKidney stonesAgglomerationResidual fragments can remain after kidney stone extraction which may necessitate another intervention. Magnetic nanoparticles (MNP) can be applied due to their properties of being able to bind to residual fragments and to be extracted by an external magnetic field. Calcium oxalate crystals and magnetic nanoparticles have been synthesizedcharacterized and used for binding and magnetic separation studies. The separation is validated by simulation and experimentallymedicineurologyFor the sedimentation analysis and the magnetic sedimentation experiments a LUMiReader (LUM GmbHGermany) with a cuvette holder containing either a permanent magnet (400 mT at surface) or a reference.LUMiReader was used to measure the particle velocityThis study shows that calcium oxalate crystals can be magnetically separated with MNPs in even small magnetic fields below 100 mT. MNPs irreversibly bind to calcium oxalate and form magnetic agglomerates. These agglomerates can be manipulated magnetophoretically in magnetic fields and behave similar to the simulation. These findings and the high biocompatibility [56] imply the possibility of using MNPs for kidney stone extraction. We hope that our investigation will pave the way for simpler approaches towards residue free kidney stone removal More details Edition8 Internal reference2738 Open publication →
Magnetophoretic Cell Sorting: Comparison of Different 3D-Printed Millifluidic Devices AuthorNiclas Reiter, Jan Auchter, Marius Weber, Sonja Berensmeier and Sebastian P. Schwaminger Year2022 SourceMagnetochemistry LanguageEnglish Pages113 LUMiReader PSALRPSA2739millifluidic separation; microfluidic separation; nanoparticles; magnetic separation; cell sorting; fractionation; algae; iron oxide nanoparticles 11 more Characterization of MNPmagnetic nanoparticlesA customized LUMiReader device was used to measure space- and time-resolved extinction profiles (STEP technologyLUM GmbHBerlinGermany) of the algae mixtures. Cell sorting is a highly applicable technology for multiple biologicalbiotechnologicaland medical applications. Magnetic cell sorting can be realized with microfluidic and millifluidic flow cells. Additive manufacturing and 3D printing allow for fast prototyping and validating separation processes on this small scale. Thereforeour novel approach is to use this technology to print millifluidic channels and to directly evaluate them on their magnetic separation performance and their handling for cell manipulation. In this studytwo different flow cells manufactured with a 3D printer are compared in regard to their use for the magnetic cell sorting of algae. One linear flow cell geometry and one spiraling flow cell geometry have been investigated with perpendicular magnetic fields. Iron oxide nanoparticles have been synthesized and characterized prior to their use as a magnetic label for algae cells. Particle uptake by algae are investigated by a phenanthroline assayand the particle/algae mixtures are studied by magnetophoretic mobility measurements. More details Edition8 Internal reference2739 Open publication →
MCT/LCT Mixed Oil Phase Enhances the Rheological Property and Freeze-Thawing Stability of Emulsion AuthorJiahao Liu, Yi Han, Jiashi Chen, Zhigang Zhang, Song Miao, Baodong Zheng and Longtao Zhang Year2022 SourceFoods LanguageEnglish Pages712 LSStability Analysis Its stability was analyzed using a stability analyzer LUMiSizer3185nutrition 7 more emulsion; medium-chain triglyceride; long-chain triglyceride; rheological properties; freeze-thaw stabilityThe main objective of this study was to investigate the effect of different oil phase composi- tions (medium-chain triglyceride (MCT) and long-chain triglyceride (LCT)the proportion of MCT is 0%5%10%15% and 20%respectively) on the rheological properties and freeze-thaw stability of emulsions. The emulsions were characterized More details Edition11 Internal reference3185 Open publication →
Measuring the competition between adhesion and cohesion for the development of a novel mussel mimicking adhesive containing a chitosan backbone AuthorCharlotte Capitain, Nils Tippkötter Year2022 SourceInternational Conference Dispersion Analysis & Materials Testing 2022 LanguageEnglish Pages1-2 2546Biogenic adhesives; competition between cohesion and adhesion; particle sizedistributionpsa 10 more psdmeasurementsLRPSALUMiReader PSAIn molluscssuch as musselscatechols play an essential role in adhesion under harsh marine conditions. Catechols linked to polymers are not only able to enable strong adhesion to substrate surfacesthey additionally provide cohesion through bonding with other catecholsThusmussel-inspired catechol-containing polymers provide a promising basis for developing strong biogenic adhesives. More details EditionNominated for LUM Young Scientist Award 2022- Abstracts LocationVirtual, 24-25 January 2022 Internal reference2546 Open publication →
Membrane characterization by analytical multisample photo-centrifugal filtration (ACF) AuthorP. Lösch, C. Weibel, S. Antonyuk, S. Boldt, D. Krause, D. Lerche Year2022 SourceFiltech Conference Abstract LanguageEnglish Pages1 2600LUMiSizerLS; FMMFilter Measuring Module 11 more pharmaceuticalThe continuous development of new products in pharma and biotechnology leads to a need of required processes for further processing. Especially proteins or vaccineswhich are obtained from cell suspensionsrequire separation processes for further processing. To achieve the best filterability for a special applicationthe membraneswoven or nonwoven filter materials with tailor-made structure have to be developed For the design and dimensioning of filtration processesstandardized laboratory tests are usually performed [12]. To cover a wide range of processesthe standardized tests require a quite large filtration area and a large amount of the suspension to be filtered. For cost reduction in both the use of valuable pharmaceutical products and newly developed membranesit is advisable to reduce the required material input. A new possibility is to perform the filtration experiments by means of analytical photo-centrifugation filtration (ACF) which allows a simple and fast membrane characterization and filterability with high throughput [34]. With ACF it is possible to analyze up to 12 different More details EditionF2 - Filter Media Quality Control / Pore Size Analysis II LocationKöln, Germany, 8.3.-10.3.2022 Internal reference2600 Open publication →
MESSZELLEN FILTERMITTELWIDERSTÄNDE UND FILTRIERBARKEIT VON DISPERSIONEN AuthorSebastian Boldt und Arnold Uhl Year2022 SourceVERFAHRENSTECHNIK LanguageGerman Pages28-30 LUMiSizerLS2725Bei der Filtration im Zentrifugalfeld wird der Druck maßgeblich durch die Fluidsäule oberhalb des Filtermittels und der Zentrifugalbeschleunigung gesteuert. ACF 11 more AZFanayltical centrifugal filtrationanalytische ZentrifugalfiltrationBiotechnologieNanotechnologieFotozentrifugalfiltrationFiltrationsmodulFiltrationsmesszelleFiltermittelleerwiderstandFiltermedienMembranen More details Edition2022/08 Internal reference2725 Open publication →
