Versatile strategy for homogeneous drying patterns of dispersed particles AuthorMarcel Rey, Johannes Walter, Johannes Harrer, Carmen Morcillo Perez, Salvatore Chiera , Sharanya Nair, Maret Ickler, Alesa Fuchs, Mark Michaud, Maximilian J. Uttinger, Andrew B. Schofield, Job H. J. Thijssen , Monica Distaso, Wolfgang Peukert & Nicolas Vogel Year2022 SourceNATURE COMMUNICATIONS LanguageEnglish Pages2840 LUMiSizer2695LSCharacterization of the adsorbed polymeric layer 7 more For the determination of the anhydrous particle densitiesthe sedimentation properties of the barePVA-functionalized and IPA-washed PS particles were studied in H2O/D2O mixtures using an analytical centrifuge (LUMiSizerLUM GmbHBerlin) with customized cells and sector-shaped centerpiecessedimentation coefficient distributionsor many technological processes such as coating techniques and ink-jet printing a uniform particle deposition is required and the coffee ring effect is a major drawback. we present a simple and versatile strategy to achieve homogeneous drying patterns using surface-modified particle dispersions. More details Edition13 Internal reference2695 Open publication →
Volatile Composition and Antioxidant Activity of Torreya grandis Hydrosols AuthorSUN Junyan, SUN Min, SONG Shiqing, WANG Huatian, FENG Tao,YAO Lingyun, YU Wenhua Year2022 SourceScience and Technology of Food Industry LanguageChinese Pages40-47 stability and antioxidant activity of Torreya grandis hydrosols in vivo and in vitro. The work aims to study the stabilityvolatile composition and antioxidant activity of Torreya grandis hydrosols. The stability of untreated and filter-treated hydrosols was evaluated by LUMi Sizer stability analyzer2659LUMiSizer 8 more LSTorreya grandis hydrosolsantioxidant activityvolatile componentslife spanCaenorhabditis elegansinstability coefficientgas chromatography-mass spectrometry analysis More details Edition43(3) Locationwith Enlgish abstract Internal reference2659 Open publication →
Volatile fingerprints of Torreya grandis hydrosols under different downstream processes using HS-GC–IMS and the enhanced stability and bioactivity of hydrosols by high pressure homogenization AuthorLingyun Yao, Junyan Sun, Yi Liang, Tao Feng, Huatian Wang, Min Sun, Wanguo Yu Year2022 SourceFood Control Volume 139, September 2022, LanguageEnglish Pages109058 2638LUMiSizerLSAntioxidant activity Caenorhabditis elegans GC-IMS Torreya grandis hydrosols Volatile compounds 1 more Measurement the dispersion stability of hydrosols by LUMiSizer. More details Edition139 Internal reference2638 Open publication →
Water mobility and microstructure of acidified milk model gels with added whey protein ingredients AuthorRuifen Li, Tomasz Pawel Czaja, Zachary J.Glover, Richard Ipsen, Tanja Christine Jæger, Tijs A.M.Rovers, Adam Cohen Simonsen, Birte Svensson, Frans van den Berg, Anni Bygvrå Hougaard Year2022 SourceFood Hydrocolloids LanguageEnglish Pages107548 2605LUMiFugeLFLUMiSizer 12 more LSArla FoodsFurthermorestress induced phase separation was investigated using a LUMiFuge in order to clarify how the varying levels of water retention and the gel microstructure obtained with different whey protein ingredients affected the physical stability.Acidified milk Gel microstructureImage analysisMobile waterFree waterSyneresisPhysical stability is a major quality parameter of fermented dairy products that is difficult to predict. foodnutritionSyneresis of yogurt is the phenomenon where an aqueous serum layer is formed by being released from the protein gel networkwhich originally entraps serum into its pores during gelation More details Edition127 Internal reference2605 Open publication →
奥法美嘉:PEMFC燃料电池用催化剂制备及粒度表征方案 Author来源:奥法美嘉 粒度专家 Year2022 Sourcehttps://news.cnpowder.com.cn/63690.html LanguageChinese 2599LUMiSizerLSfuel cell 5 more energy燃料电池|铂炭催化剂墨水|催化剂墨水粒径控制|催化剂墨水稳定性catalystfuel cell | platinum carbon catalyst ink | particle size control of catalyst ink | stability of catalyst inkhydrogen fuel cell More details Edition2022-02-11 Internal reference2599 Open publication →
奥法美嘉:PEMFC燃料电池用催化剂制备及粒度表征方案 著作权归作者所有 AuthorN.N. Year2022 Sourcehttps://news.cnpowder.com.cn/63690.html LanguageChinese 2784Katalysatorherstellung und Partikelgrößen-Charakterisierungsschema für PEMFC-BrennstoffzellenCatalyst Preparation and Particle Size Characterization Scheme for PEMFC Fuel Cellsenergy storage 12 more fuel cell catalyst inkatalyst ink was prepared by bead mill and micro-jet homogenizercombined with DLSSPOS and STEP technologya complete set of characterization of platinum-carbon catalyst ink was carried out. From small research and development to mass productionfrom formula to processthe effectiveness of the formula and process can be judged intuitively through characterization dataand the batch-to-batch difference can be monitored to analyze the performance change of the production process. For examplethe content of dispersant added will affect the final The size of particle sizeparticle concentration and system stabilitythrough these characterization indicatorsthe pressure and number of homogenization of micro-jet homogenization can be adjusted to optimize the preparation process.... LUM LumiSizer Series Stability Analyzer provides a complete set of solutions for the development and quality control of fuel cell catalyst inks. More details Internal reference2784 Open publication →
果胶和可溶性大豆多糖在酸性乳饮料中的应用 Author薛玉清 李文强 胡佳麒 阮叶萍 欧凯 李言郡 冯玉红 Year2022 Sourcehttps://www.cnki.com.cn/Article/CJFDTotal-RPGY202203012.htm LanguageChinese 2637LUMiSizerLS dairynutrition 6 more foodApplication of pectin and soluble soybean polysaccharide in acidic milk beverageBy optimizing process conditionsthe stability of pectin compound soluble soybean polysaccharide in acidic milk beverages was improved. Lumisizer stability resultsparticle size distribution as an indicatorthrough orthogonal design experiments More details Internal reference2637 Open publication →
果胶和可溶性大豆多糖在酸性乳饮料中的应用 Research on the Application of Pectin and Soluble Soybean Polysaccharide in Acid Milk Beverage Author薛玉清,李文强,胡佳麒,阮叶萍,欧凯,李言郡,冯玉红 XUE Yuqing, LI Wenqiang, HU Jiaqi, RUAN Yeping,OUKai, LI Yanjun, FENG Yuhong Year2022 Sourcedairy Industry China LanguageChinese Pages62-64 2646; Research and Development Centre of Hangzhou Wahaha of Technology Co. Ltd.Key Laboratory of Food And Biological Engineering of ZhejiangHangzhou; The stability of soluble soybean polysaccharide compounded with pectin was improved by optimizing the technological conditions. In this studythe sedimentation 9 more particle size distribution as well as the storage stability of the samples were studied to evaluate the stability of acidified milk drinks. In acid milk beveragethe primary and secondary relations that affect the centrifugal precipitation rate of the product are: sodium citrate > pH > pectin > SSPSThe optimal combination of all factors was pectin 2.5 g/LSSPS 5 g/LpH 4.2sodium citrate 3.8 g/L. Under the condition that SSPS is mixed with reducing milkthen homogenizedand then mixed with pectinthe stability of the product is the best.; pectin; soluble soybean polysaccharide; acidified milk drinks; stability; Lumisizer; LS More details Edition50, 3 Locationdoi:10.19827/j.issn1001-2230.2022.03.012 Internal reference2646
최 종 연 구 보 고 서 한 국 전 자 통 신 연 구 원 이차전지 분리막용 세라믹 입자 분산 안정화 기술 개발 및 분산 특성 평가 - Final research report Korea Electronics and Telecommunications Research Institute Development of ceramic particle dispersion stabilization technology for secondary battery separators and evaluation of dispersion characteristics Author김 정 태, Carlos Tafara Mpupuni, Ssendagire Kennedy Year2022 Sourcehttps://ksp.etri.re.kr/ksp/report/file?id=35638 LanguageKorean Pages1-34 2883LS; LUMiSizer분산 안정성 및 침강속도를 LUMiSizer를 통해 비교하였음Dispersion stability and sedimentation rate were compared using LUMiSizer. (a) 원심분리 시간에 따른 불안정 지수의 변화(a1) CMC 23 more PVACMC-PVA를 사용한 Al2O3 세라믹 슬러리에 대한 입자 침강 속도 (b) 원심분리 이전의 슬러리 (c) 원심분리 이후의 슬러리 변화Change in instability index according to centrifugation time (a1) Al2O3 ceramics using CMCand CMC-PVA Particle sedimentation velocity for slurry (b) slurry before centrifugation (c) change in slurry after centrifugation동일한 농도의 CMCPVA 및 CMC-PVA 복합 고분자 바인더를 [Al2O3 : 바인더 : D.I water = 39 : 1 : 60 wt%]의 비율로 세라믹 슬러리를 다시 제조하였고분산 안정성 및 침강속도를 평가하고 LUMiSizer 를 사용하여 결과를 비교하였음Same concentrations of CMCPVA and CMC-PVA composite polymer binders were mixed [Al2O3:binder:D.I water=39:1: The ceramic slurry was prepared again at a ratio of [60 wt%]the dispersion stability and sedimentation rate were evaluatedand LUMiSizer혼합 조건에 따른 분리막용 수계 세라믹 코팅 슬러리 분산 안정성 정량 특성 평가 기술 : Lumisizer 장비를 활용한 슬러리 분산 안정성 정량화 (원심력을 이용한 슬러리 침강속도 가속) 분리막용 수계 세라믹 코팅 슬러리 조성 최적화 기술 : 분산 안정제 free 분리막용 수계 세라믹 코팅 슬러리 제조 기술Water-based ceramic coating slurry dispersion stability quantitative characteristic evaluation technology for separation membranes according to mixing conditions : Quantification of slurry dispersion stability using Lumisizer equipment (acceleration of slurry sedimentation speed using centrifugal force) Water-based ceramic coating slurry composition optimization technology for separation membranes : Dispersion stabilizer-free water-based ceramic coating slurry manufacturing technology for separation membranesThe purpose of this study is to conduct ceramic coating using LUMiSizer equipment owned by this consignment development agency. Quantitatively evaluate the dispersion stability of the slurry and apply ceramic coating based on the results. Selecting the optimal content of polymer binder to stabilize slurry and improve coating technology본 연구의 목적은 본 위탁개발기관 소유의 LUMiSizer 장비를 이용하여 세라믹 코팅 슬러리의 분산 안정성을 정량적으로 평가하고해당 결과에 기반하여 세라믹 코팅 슬러리의 안정화 및 코팅 기술의 향상을 위한 고분자 바인더의 최적 함량을 선별함In this studythe performance of a composite polymer binder presented as an alternative approach to solve the dispersion problem of various ceramic slurries was quantitatively analyzed using LUMiSizer equipment and a DB was constructed. In additionit presents a solution to the problem of dispersion stability that has not been properly identified본 연구에서는 LUMiSizer 장비를 사용하여 여러 세라믹 슬러리의 분산 문제를 해결하기 위한 대안적 접근으로 제시된 복합 고분자 바인더의 성능을 정량적으로 분석하고DB를 구축함. 또한그동안 제대로 확인되지 않았던 분산 안정성 문제에 대한 해답을 제시함ceramics More details Edition2022 년 11 월 27 일 Internal reference2883 Open publication →
A new tool for studying the filterability AuthorMaksym Loginov • research fellow UMR STLO Year2021 SourceInrae Membrane Processing TIPIL-R10 STLO LanguageEnglish 2539LUMiSizerLSfilter cells 8 more filter holdermembranefiltrabilityvisuel_lumisizer with cells plus petiteAnalytical photocentrifuge with filtration cellsFilterability is characterized based on the analysis of the centrifuge filtration/consolidation curves obtained in continuous mode by the analytical photocentrifuge. This curve analysis allows: for centrifuge-based consolidation of suspensions: to obtain the concentration and pressure dependencies of specific cake resistance; for centrifuge-based ultrafiltration of solutions: to measure the resistance of the fouled membraneto determine the compressibility of the filter cake formed at the membrane surfaceand to evaluate the fouling mechanism. Measurements can be carried out in a wide range of solid pressure from 5 kPa to 500 kPa. More details EditionUpdate 11 January 2021 Internal reference2539 Open publication →
Additiv gefertigte Kunststoffbauteile richtig kleben Die Limitation des Bauraums in der Additiven Fertigung umgehen AuthorHesselbach, Julian; Leicht, Heinrich; Kraus, Eduard; Baudrit, Benjamin; Hochrein, Thomas; Bastian, Martin Year2021 SourceISGATEC JAHRBUCH Dichten, Kleben, Polymer LanguageGerman Pages268 Additive FertigungAtmosphärendruckplasmaKlebtechnikPolymaid 12 8 more EpoxidharzLUMiFracLFrac2512sintered polyamide 12 (PA 12) has been evaluated by means of Centrifugal Adhesion Testing Technology (CATTLUMiFrac Adhesion Analyzer)additive manufacturing3d printing More details Internal reference2512 Open publication →
Advances in biopolymeric active films incorporated with emulsified lipophilic compounds: a review AuthorIlyes Dammak, Carla Giovana Luciano, Luis Jaime Pérez-Córdoba, Maria Lúcia Monteiro, Carlos Adam Conte-Junior and Paulo José do Amaral Sobral Year2021 SourceRSC Adv. LanguageEnglish Pages28148-68 2428LUMiSizerLScharacterization of physical stability can also be monitored using the LUMiSizer® analytical centrifugation test 4 more Schema of accelerated stability evaluation of emulsions using LUMiSizer® analytical centrifugation test. appropriate biopolymer emulsifiersThe attention towards active films has increased due to consumer demand for high-quality foods without chemical additives. Active biopolymer-based films have shown great potential for active films by impacting food safetyacting as the carriers of various natural antioxidant and antimicrobial compoundsand decreasing environmental pollution from petrol-derived packaging materials. More details Edition11 Internal reference2428 Open publication →
An innovative method for the quantification of small amounts of crude oil in water using a multi-wavelength separation analyzer AuthorPedro M. Rendel, Samira Mohammadkhani, Annette E. Jensen, Karen L. Feilberg Year2021 SourceJournal of Petroleum Science and Engineering LanguageEnglish Pages108388 2358LUMiReader PSALRPSAenergy 13 more crude oilCore-floodingOilMulti-wavelength separation analyzerEORAnalytical methodenhanced oil recoveryLab-scale core-flooding experiments are widely used as a standard experimental method to study and analyze physio-chemical properties of flowing phases through porous media. In the hydrocarbon extraction industrycore-flooding experiments are used to evaluate different enhanced oil recovery (EOR) strategiesan innovative analytical methodwhich allows a fastaccurate andnon-destructive measurement for quantifying small quantities of oil in water (3–2500 μl) by implementing the advantages of a multi-wavelength separation analyzer. More details Edition200 Internal reference2358 Open publication →
ANALYTICAL CENTRIFUGATION: A NOVEL WAY FOR PARTICLE SIZE ANALYSIS? – A COMPARISON AuthorDavid Specht, Cornelia M. Keck Year2021 SourceProceedings CESPT 2021 - 13th Central European Symposium on Pharmaceutical Technology 2021 LanguageEnglish Pages60 LSLUMiSizerAn analytical centrifuge (LUMiSizer) was used as new technique for particle size analysis (PSA)and compared to the common methods for particle size analysis (PSA): DLS and LM. In this study 4 more a two-phase fat emulsion was used as model system for PSA and different concentrations of PBS buffer were added to influence the behaviour of the emulsion in terms of stabilitysurface charge and mobility. 2737Lipofundin® MCT 20% was utilized as two-phase model systemThis study showed that an analytical centrifuge for PSA can be a useful in addition to the commonly used methods DLS and LM. A broad spectrum of particle sizes from a few nanometres up to several micrometres can be detected with LUMiSizer without neglecting the minority populations of smaller or larger particles. Limitations are too high sedimentation/floating velocities of large particles. More details LocationGdansk, Poland, 16-18 September 2021 Internal reference2737 Open publication →
Analytische Charakterisierung von Stärke Teil 1: Untersuchung von Suspensionen und Kleister AuthorFanni Scholz Year2021 SourceWebinar LanguageGerman Pages1-34 2620STEP Technology® für Partikel und DispersionscharakterisierungFallbeispiele für StärkesuspensionenFallbeispiel für Stärkekleister 25 more CAT Technology® für FestigkeitsbestimmungFallbeispiel für getrockneter StärkekleisterStabilisatorVerdickungsmittelSüßstoff SirupTextilschlichten und KleberNassklebstoff in der PapierindustrieTabletten BindemittelCharakterisierung und Vergleich von Stärkesuspensionen (MaisKartoffel und Weizen)Untersuchung des Wasserquellvermögens => Rohstoffauswahl (z.B. für GebäckDessertcremesLUMiReader PSALRPSAMaisstärkeKartoffelstärkeCharakterisierung und Vergleich von verschiedenen Stärken und MehlenSedimentationsgeschwindigkeitGeschwindigkeitsverteilungKompressionsverhalten im ZentrifugalfeldHaftfestigkeitsuntersuchung von Stärkesuspensionen auf verschiedenen Oberflächen mittels LUMiFracLFracLUMiSIzerLSStärkekleister erreichen höhere Kräfte auf Stahl als auf Polyamid More details EditionWebinar Internal reference2620 Open publication →
Analytische Charakterisierung von Stärke Teil 2: Stärke als Emulsionsstabilisator AuthorFanni Scholz Year2021 SourceWebinar LanguageGerman Pages1-25 2621STEP Technology® für Partikel und DispersionscharakterisierungVergleich der Eigenschaften von mit Stärke und Maiskörnern stabilisierter KokosmilchEmulsionen mit und ohne Maisstärke 13 more LUMiSizerLSLUMiFugeLFAmylosegehaltWachsmaisstärkeVergleich der stabilisierenden Eigenschaften verschiedener (Mais)StärkenHydrophob modifizierte Stärke als EmulsionsstabilisatorStabilisierung von Aroma O/W Emulsionen (Limonen Emulsionen) für diverse Lebensmittel wie SoßenVergleich der Emulgiereigenschaften von amphiphilen PolymerenCFG: Maisfasergummi OSAs: Octenylbernsteinsäureanhydrid modifizierte Stärke GA: Gummiarabikum SSPS: lösliche Sojapolysaccharidemodifizierte Erbsen und MaisstärkeGA: Gummiarabikum OS: Octenylbernsteinsäureanhydrid modifizierte Stärke PS: Erbsenstärke NCS: normale Maisstärke WCS: Wachsmaisstärke More details EditionWebinar Internal reference2621 Open publication →
Anti-Melanogenic Mechanism of Tetrahydrocurcumin and Enhancing Its Topical Delivery Efficacy Using a Lecithin-Based Nanoemulsion AuthorXudong Tang, Qiaoru Dong , Jun Li, Fang Li, Bozena B. Michniak-Kohn, Denggao Zhao, Chi-Tang Ho and Qingrong Huang Year2021 SourcePharmaceutics LanguageEnglish Pages1185 tetrahydrocurcumin; B16F10; HaCaT; topical delivery; anti-melanogenesis; nanoemulsion3057Particle Size MeasurementsLUMiSizer® Test 4 more The nanoemulsions were centrifuged under the stressed condition using LUMiSizer®the instability index was obtained by the SEPView® softwareStability Study for the Lecithin Based Nanoemulsions LUMiSizer® was first used to evaluate the stability of the different formulations under stressed conditionsCompositions of the formulations for initial screening and the results of the instability index More details Edition13 Internal reference3057 Open publication →
Antifungal effect of cinnamaldehyde, eugenol and carvacrol nanoemulsion against Penicillium digitatum and application in postharvest preservation of citrus fruit AuthorRuopeng Yang, Jinyu Miao, Yuting Shen a, Nan Cai a, Chunpeng Wan, Liqiang Zou, Chuying Chen, Jinyin Chen Year2021 SourceLWT - Food Science and Technology LanguageEnglish Pages110924 2361Penicillium digitatumnanoemulsionAntifungal effect 7 more PostharvestCitrus fruitLUMiSizerLSnutritioncentrifugal stability of nanoemulsioninstability index More details Edition141 Internal reference2361 Open publication →
Applikationsbericht: Zentrifugale Klebkraft-Analyse AuthorClear & Clean - Werk für Reintechnik GmbH Year2021 Sourcehttps://d189f46d-ec57-4bf5-8164-d7a1c38bba18.filesusr.com/ugd/877a9e_df1e35c5ba0b49b8a4ff20fd6d6bec52.pdf LanguageGerman Pages1-2 LUMiFracLFrac2536Die mechanische Belastbarkeit zwischen adhäsiv gefügten (geklebten) Objekten hängt in hohem Maße von der Reinheit beider Füge-Oberflächen zum Zeitpunkt des Zusammenfügens ab. Insbesondere Oberflächen-aktive Substanzen wie Öle und Fette oder Detergenzien können bereits im Spuren-Bereich die Festigkeit von Füge-Verbindungen nachteilig beeinflussen. Dies zeigt sich beispielsweise in einer verringerten Bruchkraft derselben. Wir nutzen die Bruchkraft-Analyse solcher Füge-Verbindungen 1 more um Rückschlüsse auf die Reinheit der Fügeflächen nach wischenden Reinigungsprozeduren zu ziehen. Zu diesem Zweck wurde auf gereinigten Prüf-Oberflächen zunächst eine kontrollierte Wisch-Prozedur mit unterschiedlichen Kombinationen aus HiTech-Reinigungstüchern und Lösungsmitteln durchgeführt. Anschließend wurde in einem standardisierten Prozess ein Prüfkörper auf die zuvor gewischte Prüf-Oberfläche geklebt und die Bruchkraft der Verbindung mittels zentrifugaler Adhäsions-Analyse bestimmt. More details Edition11.11.2021 10:12 Internal reference2536 Open publication →
Assessment of the stability of water in water emulsions using analytical centrifugation AuthorLingsam Tea, Frederic Renou, Lazhar Benyahia, Taco Nicolai Year2021 SourceColloids and Surfaces A LanguageEnglish Pages125619 Water in water emulsionAqueous two phaseAnalytical centrifugationStability 9 more Turbidity2314LUMiSizerLSWater in water (W/W) emulsions were prepared by mixing aqueous dextran and polyethylene oxide (PEO) solutions.Addition of different amounts of the polysaccharide chitosan inhibited coalescence of dispersed droplets of the dextran phase in the continuous PEO phase to different extents depending on the concentration and pH. LUMiReader PSALRPSATransmission profile measurementschitosanThe stability of W/W emulsions can be quantitatively characterized by analytical centrifugation. The evolution of the transmission profiles depends on the centrifugal force. More details Edition608 Internal reference2314 Open publication →