Probiotic encapsulation in water-in-oil high internal phase emulsions: Enhancement of viability under food and gastrointestinal conditions AuthorYun Zhang, Youfa Xie, Hang Liu, David Julian McClements, Ce Cheng, Liqiang Zou, Wenjun Liu, Wei Liu Year2022 SourceLWT - Food Science and Technology LanguageEnglish Pages113499 2666LUMiFugeLFLUMiSIzer 9 more LSProbioticsHigh internal phase emulsionsSkim milkCell viabilityIn vitro digestiondairynutritionphysical stability of the HIPEs More details Edition163 Internal reference2666 Open publication →
PROCESS FOR FORMING A POWDER AuthorGORIN, Craig F., BISWAS, Sanjib, FAN, Yi, TOMCZAK, Thomas L.,DERMODY, Daniel L., SINGH, Harpreet Year2022 SourceEUROPEAN PATENT SPECIFICATION LanguageEnglish Pages1-26 2644LUMiSizerLSA LUMiSizer multi-sample analyticalcentrifugeis used to screenemulsion stability. 9 more Particle DensityDow Global Technologies LLCdensity determinationPolyolefin powders having a small mean volume average particle size are useful in 3D-printing techniques such as powder bed fusionwhere successive layers of powder are laid down and sintered to form a 3-dimensional end product. Powder bed fusion requires flowable powders to enable easy transport and loading of the powders. Powder bed fusion also requires powder having a small mean volume average particle size. A polyolefin powder having a small mean volume average particle size is conventionally formed in one of three ways: (i) spray drying an aqueous polyolefin dispersion with small particle size to remove water and obtain aggregated dry powder; (ii) coagulating or aggregating a small particle size aqueous polyolefin dispersion and filtering the aggregate to remove water; or ( iii) mechanically grinding the polyolefin to the desired sizesuch as through cryogrinding. When produced via spray drying and/or the coagulating oraggregating processthe resulting powder contains agglomerates with voids that are not fully densewhich deteriorates the mechanical properties of an end product formed from said powder. When produced via mechanical grindingthe resulting powder has a broad particle size distribution and the particles have irregular shapes (compared to spherical shapes). More details EditionEP 3 700 984 B1 Internal reference2644 Open publication →
Production and characterization of composite films with zein nanoparticles based on the complexity of continuous film matrix AuthorHongwei Wu , Cailing Tong , Chunhua Wu, Jie Pang Year2022 SourceLWT - Food Science and Technology LanguageEnglish Pages113396 2724LSLUMiSizerKonjac glucomannan 2 more Zein nanoparticles Dispersion matrix Composite filmPhysical stability of FFSs The physical stability of FFS suspensions with various continuous matrices was assessed by using LUMisizer More details Edition161 Internal reference2724 Open publication →
Proposed Methods for Testing and Comparing the Emulsifying Properties of Proteins from Animal, Plant, and Alternative Sources AuthorDavid Julian McClements, Jiakai Lu and Lutz Grossmann Year2022 SourceColloids Interfaces LanguageEnglish Pages19 2631LUMiFugeLFLUMiSIzer 3 more LSemulsions; nanoemulsions; plant proteins; alternative proteins; plant-based foodsemulsifiers More details Edition6 Internal reference2631 Open publication →
Radiation-proof medical non-woven fabric and preparation method thereof Author张钟雷 吴德浩 Year2022 SourceCN114193868A LanguageChinese LFracLUMiFrac2817Jiangyin Jianfa Special Textile Co ltd 7 more The invention discloses a radiation-proof medical non-woven fabric and a preparation method thereof. The radiation-proof medical non-woven fabric comprises an inner layer non-woven fabric and an outer layer non-woven fabric facing outside airand the outer layer non-woven fabric is prepared from the following raw materials in parts by weight: 15-25 parts of anti-radiation metal oxide60-80 parts of modified aramid fiber10-20 parts of graphene oxide and 5-10 parts of seaweed meal; the modified aramid fiber is hyperbranched polysiloxane grafted aramid fiber. The preparation method of the radiation-proof medical non-woven fabric comprises the following steps: preparing inner-layer non-woven fabric; preparing outer-layer non-woven fabric; and (3) connecting the inner-layer non-woven fabric and the outer-layer non-woven fabric together by using an adhesive to obtain the radiation-proof medical non-woven fabric. The radiation-proof medical non-woven fabric improves the compatibility of radiation-proof metal oxide and aramid fiberis good in radiation-proof durabilityand is excellent in adhesion and antibacterial property. Adhesion test: the radiation protective medical nonwoven fabrics described in examples 1 to 19 and comparative examples 1 to 3 were tested for adhesive strength using a LUMiFRac adhesive strength analyzerand the test results are shown in table 2 More details EditionPatent application Internal reference2817 Open publication →
Real-Time Modeling of Volume and Form Dependent Nanoparticle Fractionation in Tubular Centrifuges AuthorReal-Time Modeling of Volume and Form Dependent Nanoparticle Fractionation in Tubular Centrifuges Year2022 SourceNanomaterials LanguageEnglish Pages3161 LUMiSizerLS2879solid–liquid separation; fractionation; tubular centrifuges; dynamic modeling; real-time simulation; multi-dimensional particle properties 4 more In order to assess the influence of particle concentration on the sedimentation behaviorthe multisample analytical centrifuge (AC) LUMiSizer (LUM GmbHBerlinGermany) was utilized. More details Edition12 Internal reference2879 Open publication →
Recent progress in oil-in-water-in-oil (O/W/O) double emulsions AuthorZijian Zhi, Rui Liu, Wenjun Wang, Koen Dewettinck, Filip Van Bockstaele Year2022 SourceCritical Reviews in Food Science and Nutrition LanguageEnglish 2694LUMiSIzerLS; Emulsificationinnovative food 5 more O/W/O double emulsionsstabilization mechanismnutritionOil-in-water-in-oil (O/W/O) double emulsionsof W/O/W double emulsions using LUMiSizer dispersion analyzer More details EditionPublished online: 26 Jan 2022 Internal reference2694 Open publication →
Relationships between the behavior of three different sources of pectin at the oil-water interface and the stability of the emulsion AuthorHui Niu, Xianwei Chen, Tian Luo, Haiming Chen, Xiong Fu Year2022 SourceFood Hydrocolloids LanguageEnglish Pages107566 2710the long-term stability of SBP-stabilized emulsions was studied through a LUMiSizer stability analyzerLS; foodnutrition 7 more structural characterization and chemical compositions of three pectins from different sources were studiedwhich showed that compared with apple pectin (AP) and citrus peel pectin (CPP)sugar beet pectin (SBP) has higher protein contentsferuloylated groupsacetyl groups and more hairy regions. instability indexcreaming kinetics and creaming velocityPectin Structure Oil-water interface Interfacial adsorption Emulsion More details Edition128 Internal reference2710 Open publication →
Report of the 10th International Conference for Dispersion Analysis and Materials Testing Berlin, virtual, 2022 AuthorF. Scholz, M. Hood Year2022 SourceDispersion Letters LanguageEnglish Pages1-4 2770LFracLUMiFracLS 22 more LUMiSizerLUMiReader PSALRPSALRXLUMiReader X-rayHansen Dispersibility and Solubility ParametersKRONOS INTERNATIONAL Inc. reported on the applicability of Hansen solubility parameters in the development of titanium dioxide pigmentsTitanium dioxide is also useful as a photocatalysts in the degradation of various volatile organic compoundsSchott AG described an approach for determining the optimum composition of multicomponent solvent mixtures for the dispersion of multicomponent particle collectivesproduction of fuel cell inksplatinum-loaded carbon is usually mixed and dispersed with waterorganic solventsand an ionomer. The interaction of the carbon particles with the liquid phase molecules mainly determines the stability of the inksedimentation simulations of bidisperse colloidal systemseffect of xanthan gum on the stability of water-in-water emulsions based on POE (polyethylene oxide) and dextranapproaches for the scaling-up of solid bowl centrifuges or decantersmultiparameter characterization of both particle size and composition of noble metal alloy nanoparticlesKRONOS INTERNATIONAL Inc. has succeeded in studying sediments in detail using the LUMiReader®X-Ray to calculate the effective agglomerate density of titanium dioxidedeposition of asphaltenes in a mixture of crude oil and n-heptane using inhibitorsMussel-inspired catechol-containing polymers are a promising foundation for the development of strong biogenic adhesivesAdditive manufacturing technologies enable the realization of lightweight designLUMiSizer® measurements in order to study the separation stability of different mixtures of agrochemicals and demonstrated an improvement in stability by adding adjuvants More details EditionSeminars & Events Location10th Dispersion Analysis and Materials Testing Conference, January 24th and 25th, 2022, virtual Internal reference2770 Open publication →
Research on the properties of agar oligosaccharides and its application in lactic acid bacteria beverages AuthorManager Chen Year2022 SourceHongteng Technology Co., Ltd. LanguageEnglish Pages83 LSLUMiSizer3012Hongteng Technology Co. 14 more Ltd.food nutritionmarine polysaccharideordinary agar has high viscosity and low water solubilityand is not easily absorbed by the human bodyso its application is greatly limitedLactic acid bacteria beverage is a milk-containing beverage made from fresh milk or reduced milk as the main raw materialsterilized and then inoculated with lactic acid bacteria for fermentation. Lactic acid bacteria beverages cannot regulate intestinal floraimprove inflammation and diarrheaand have rich nutritional value and unique flavorso they are very popular among consumersand their sales have continued to rise in recent yearsLactic acid bacteria beverage Lumisizer assayLumisizer test result of lactic acid bacteria drink without agar oligosaccharide (QZ-1 H1 0808) and with 0.04% agar oligosaccharide lactic acid bacteria drink (QZ-2 0808). dairy More details Edition2022-06-15 16:16:57 Internal reference3012 Open publication →
Reversible direct bonding of polymers through surface modification AuthorRoman Günther Year2022 SourceFEICA- 2022 European Adhesive and Sealant Conference & EXPO LanguageEnglish LUMiFraclfrac2749Smooth polystyrene (PS) and polyamide 12 (PA 12) surfaces were produced via an injection molding process followed by a smoothing process and subsequently treated with O2 plasma to increase the number of polar groups capable of hydrogen bond formation on the surface. The presence of related groups was evident from XPS and contact angle measurements. The sample topographies were investigated by AFM. The plasma treatment allowed the joining of the substrates without adhesive by pressing the substrates together below or around Tg. Notably 3 more not only substrates of the same polymer but also polystyrene and polyamide 12which are incompatiblewere joined with this method. The adhesion between the substrates was determined using a LUMifrac apparatus. Adhesive strengths up to 5.5 MPa were obtained. More details EditionAbstracts LocationGrand Elysée Hotel, Hamburg, Germany, from 14-16 September 2022 Internal reference2749 Open publication →
Rheology of Colloidal Clay Gels and their Mixtures AuthorCamille C. S. Boulet Year2022 SourceDoctoral thesis LanguageEnglish Pages1-139 2988LRXLUMiReader X-RayDetermination of the sedimentation profile 19 more Ageing effect on the microstructure of clay gelLaponite EPan organically surface coated laponiteas an alternative of xanthan in product formulation. Its combination with bentonite in agrochemical formulation showed similar rheological behaviour as the commonly used xanthan - bentonite combination. Laponite EP and bentonite display some synergism: analogous rheological properties could not be achieved using each clay alone or using a non-coated laponite RD - bentonite blend. cropscienceagrochemistryThe sedimentation profile obtained during ageing shows that all gels collapseas seen by the drop of their surface in figure 6.10. Howeverfor bentonite and the mixture we see a homogeneous decrease of the transmission throughout the height of the gel indicating an increase of the concentration of the clay. This is consistent with a shrinkage of the gel. Howeverfor attapulgitethe transmission decreases at the top of the gel but stays constant at its basesee figure 6.10a. This is in contradiction with the consolidation theory developed by Michaels and Bolger According to these authorssedimentation happens when the static pressure outweighs the yield stress. In that casethe network starts collapsing at its basethus increasing the volume fraction and strengthening the gel there. There is also the formation of a constant density layerwhich collapses up to a point where the static pressure is equal to the yield stress. This theory was developed for Kaolin which is a non swelling clay with a shape similar to a platelet. We do not necessarily expect bentonite to follow such a theory as it is a swelling claybut it may be more applicable to attapulgite. In our systemevaporation of water might have happened as wellaffecting the top of the gel first as it is closer to the surfaceFigure 6.10: Sedimentation profile obtained during ageing of each gel using X-Ray More details LocationMagdalen College University of Oxford, UK Internal reference2988 Open publication →
Sedimentation of bidisperse polymer suspensions in aqueous polymer solutions AuthorT. Sobisch, U. Schuldt, D. Lerche Year2022 SourceFiltech Conference Abstract LanguageEnglish Pages1 2602LUMiSizerLSLUMiReader PSA 7 more LRPSABasicallyseparation processes can be described by extended Stokes law taking into account volume concentration of disperse phase (hindrance) and rheological behaviour of continuous phase. To deduce separation behaviour under high gravity in centrifuges one can assume that separation velocity scales linearly with acceleration in Newtonian liquids. Situation in non-Newtonian liquids is much more complexhoweverthis is often characteristic for industrial separation taskse.g. during downstream bioprocessing. Modelling of the separation processes gets even more complicated when taking into account polydispersity of real-world suspensions. To contribute to a better understandingmodel investigations were performed with monodisperse polymer particles (6 and 15 µm) and their bidisperse mixtures in aqueous solutions of carboxmethyl cellulose (CMC). Measurements were conducted as function of centrifugal acceleration and at gravity More details EditionL14 - Metrological Analysis of Data for Particle/Liquid-Separation LocationKöln, Germany, 8.3.-10.3.2022 Internal reference2602 Open publication →
Sedimentation of Bidisperse Polymer Suspensions in Aqueous Polymer Solutions AuthorT. Sobisch, U. Schuldt, D. Lerche Year2022 SourceDispersion Letters LanguageEnglish Pages1-11 2744bidisperse suspensionspolymer solutionsnon-Newtonian liquids 9 more settling in centrifugesgravity settlingmonodisperse polymer particles (6 and 15 μm) and their bidisperse mixtures in aqueous solutions of carboxmethyl cellulose sodium salt (NaCMC)Concentration dependent viscosity as function of shear rate for NaCMC solutionsPMMALUMiReader PSALRPSALUMiSizerLS More details Edition13 Internal reference2744 Open publication →
Selection of Optimum Multi-Component Solvent Mixtures for Particle-based Wet Chemical Coating Solutions in Industrial Applications AuthorJörg Schuhmacher, Denis Titow, Philipp Treis Year2022 SourceInternational Conference Dispersion Analysis & Materials Testing 2022 LanguageEnglish Pages1-2 2560SCHOTT AGWet chemical coating materialsmulti-component particle collectives; multi-component solvent mixtures; Hansen Solubility Parameters (HSPs) 4 more Hansen Dispersibility ParametersHDPLUMiSizerLS More details EditionAbstracts LocationVirtual, 24-25 January 2022 Internal reference2560 Open publication →
Silica-encapsulated DNA tracers for measuring aerosol distribution dynamics in real-world settings AuthorAnne M. Luescher, Julian Koch, Wendelin J. Stark, Robert N. Grass Year2022 SourceINDOOR AIR LanguageEnglish Pagese12945 2698aerosolDNAnanoparticles 8 more silicatracingventilationLUMiSizerLS; SPED characterization Particle size distributions of SPED in suspension (prepared in mQ water at ~2 mg/ml) were measured using an analytical photocentrifuge (dispersion analyzer LUMiSizerlight source 470 nm;psapsdparticle size analysis More details Edition32, Issue1 Internal reference2698 Open publication →
Silica‑coated superparamagnetic iron oxide nanoparticles: New insights into the influence of coating thickness on the particle properties and lasioglossin binding AuthorChiara Turrina , Anne Oppelt, Michaela Mitzkus, and Sonja Berensmeier, Sebastian P. Schwaminger Year2022 SourceMRS Communications LanguageEnglish Pages1-8 2692LUMiReader PSALRPSA; The LUMiReader (4532–123LUM GmbH; for STEP measurements) is used to analyze the sedimentation rate of the IONs under a magnetic field (five stacked cylindrical neodymium boron ferrite magnets (d = 12 mm 20 more h = 2 mmN45Webcraft GmbHmagnetization between 29.1 and 54.4 Am2 kg−1 ). The measurements take place at the wavelength 870 nm (profile: 700300; interval: 0 s1 sangle 0°light factor 1.00temperature 25°C). The data is pro- cessed with the software PSA-Wizard (SEP view™Analysis positions: 12.3 mm15.0 mm16.9 mmand 18.7 mm). Silica-coated iron oxide nanoparticles are of enormous importance in biotechnologynanomedicineand catalysis. The study demonstrates the significant influence of the coating thickness on the particle properties. Though slow magnetophoresisa thinner shell leads to higher surface areaslower isoelectric pointsand higher magnetizations. Howeverthick layers prevent oxidation and lead to stabilization. The coating thickness influenced the binding of the cationic peptide lasioglossinwith a maximal loading of 0.23 g g−1 for the smallest particles. This knowledge can be used to specifically design particles for usage with a cationic tag system in biotechnology or drug delivery with antimicrobial peptides. More details EditionReceived 28 April 2022; accepted 29 July 2022 Internal reference2692 Open publication →
Simulation and visualization of nano SiO2 - water and decanoic acid-modified nano CeO2 - cyclohexane dispersions under a centrifugal field AuthorKotaro Oshima, Natsuki Sato, Kentaro Nakamura, Haixin Guo, Richard Lee Smith Jr. Year2022 SourceColloids and Surfaces A: Physicochemical and Engineering Aspects LanguageEnglish Pages129558 2667LUMiSizerLSSedimentation 5 more Functional nanoparticlesAdvection-diffusion modelNanoparticle sedimentation propertiesdescribing settling characteristics of nanoparticles (NPs) of (60100 or 200) nm SiO2 NPs in water and 8.7 nm decanoic acid-modified CeO2 (C10CeO2) NPs in cyclohexane measured experimentally under centrifugal fields. Analytical centrifugation of NP dispersions at relative centrifugal fields (RCF) of up to 2325 g at 20 °C was used to obtain space and time-resolved concentration profiles (STCP) along with supernatant/suspension phase interface height (IH) changes with time. More details Edition650 Internal reference2667 Open publication →
Single/co-encapsulation capacity and physicochemical stability of zein and foxtail millet prolamin nanoparticles AuthorXiao Chen, Yan-Chao Wu, Ying Liu, Liu-Hong Qian, Yu-He Zhang, Hui-Jing Li Year2022 SourceColloids and Surfaces B: Biointerfaces LanguageEnglish Pages112685 2678LUMiSizerLS; LUMISIZER was used to investigate the destabilization of particles in dispersion under … The physical stability of blank−loaded zein/FP-NaCas NPs were observed with the LUMiSizerFPFoxtail millet prolamin 14 more NPs nanoparticles NaCassodium caseinateencapsulation efficiencyloading efficiencyZeinFoxtail millet prolaminNanoparticleEncapsulationIn vitro releasezein the ability to self-assemble into nanosphere structure to encapsulate biologically active substances for targeted delivery. comparing the encapsulation efficiency of hydrophobic active biomolecules and the physicochemical stability of composite nanoparticles (NPs) made up of zein− and foxtail millet prolamin (FP) −caseinate. Puerarinresveratroldiosmetinand curcumin with various LogP values were selected as model drugs to study the single/co-encapsulation capacitystorage stabilityand in vitro release profiles. More details Edition217 Internal reference2678 Open publication →
Sodium Alginate and Chitosan as Components Modifying the Properties of Inulin Hydrogels AuthorAnna Florowska , Adonis Hilal, Tomasz Florowski, Paulina Mrozek and Małgorzata Wroniak Year2022 SourceGels LanguageEnglish Pages63 2577LUMiSizerLSpolysaccharides; inulin; sodium alginate; chitosan; food ingredients; food structure; hydrogels 2 more nutritionphysical stability of the hydrogels was evaluated using the dispersion analyzer— LUMiSizer More details Edition8(1) Internal reference2577 Open publication →
