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3140 results

High-intensity ultrasound improves the physical stability of myofibrillar protein emulsion at low ionic strength by destroying and suppressing myosin molecular assembly

Author
Haotian Liu, Jingnan Zhang, Hui Wang, Qian Chen, Baohua Kong
Year
2021
Source
Ultrasonics Sonochemistry
Language
English
Pages
105554
  • 2.5. Physical stability analysis. Physical stability of emulsions prepared from MPs pretreated with different HIU powers was monitored using a LUMiSizer analytical centrifuge
  • 2435
  • Emulsion
  • Physical stability
11 more
  • Myofibrillar protein
  • High-intensity ultrasound
  • Low ionic strength
  • Data were shown as space- and time-related transmission profiles over the sample cell length. The curves of the integrated level of transmitted light plotted against time represent the “creaming rate” of the sample per scan during centrifugation. A higher creaming rate usually corresponds to lower physical stability
  • The original transmission of the emulsions prepared by myofibrillar proteins (MPs) treated with different high-intensity ultrasound (HIU) powers at low ionic strength tested by LUMiSizer (A–E
  • MPs treated with HIU of 0
  • 150
  • 300
  • 450
  • 600 W
  • respectively). The integrated transmission-time plots (F) of emulsions prepared by MP treated with different HIU powers.
More details
Edition
74
Internal reference
2435
Open publication

HODNOCENÍ STABILITY KOSMETICKÝCH PŘÍPRAVKŮ EVALUATION OF THE STABILITY OF COSMETIC PRODUCTS

Author
Aneta Kunertová
Year
2021
Source
BACHELOR'S THESIS
Language
Czech
Pages
1-79
  • 2486
  • LS
  • hpc
  • home and personal care
13 more
  • Analyzátor disperzí – analytická centrifuga
  • LUMISizer
  • Odstředivý test
  • Pro odstředivý test byla použita analytická centrifuga LUMISizer
  • jež pomocí speciálního Složení vlastní kosmetické emulze Vodná fáze 90 % destilovaná voda
  • 3 % glycerol Olejová fáze 1 % gellinov easy
  • 2 % olej z vinných jader
  • 1 % glyceryl stearát
  • 3 % caprylic/capric triglycerid Obrázek 25: Vlastní kosmetická emulze programu provedla vyhodnocení pozorovaných vzorků měřením transmise (propustnosti světla) laserového paprsku s vlnovou délkou 865 nm v časových intervalech 100 s. Teoretická stabilita a index nestability jednotlivých přípravků
  • Závislost transmise na poloze v kyvetě vzorku F1– Nobilis Tilia Termal
  • Závislost transmise na poloze v kyvetě vzorku G1 – Ryor levandulový krém
  • Závislost transmise na poloze v kyvetě vzorku H1 – Ryor krém proti rozšířeným žilkám
  • Závislost transmise na poloze v kyvetě vzorku L1 – Alverde opalovací krém OF 30
More details
Location
BRNO UNIVERSITY OF TECHNOLOGY, FACULTY OF CHEMISTRY, INSTITUTE OF PHYSICAL AND APPLIED CHEMISTRY
Internal reference
2486
Open publication

Hyaluronic acid incorporation into nanoemulsions containing Pterodon pubescens Benth. Fruit oil for topical drug delivery

Author
Sirlene Adriana Kleinubing, Priscila Miyuki Outuki, Jaqueline Hoscheid, Bruna Luíza Pelegrini, Edson Antonio da Silva, Jéssica Renata de Almeida Canoff, Marli Miriam de Souza Lima, Mara Lane Carvalho Cardoso
Year
2021
Source
Biocatalysis and Agricultural Biotechnology
Language
English
Pages
101939
  • 2405
  • Topical carrier
  • Sucupira
  • Biomedical biotechnology
9 more
  • Pterodon pubescens
  • Nanoemulsion
  • instability index
  • accelerated physical stability
  • LUMiSizer
  • LS
  • cosmetics
  • pharmaceutical
  • the effect of the incorporation of hyaluronic acid on the physicochemical properties and physical stability of topical nanostructured systems containing P.pubescens fruit oil was investigated.
More details
Edition
32
Internal reference
2405
Open publication

Impact of physicochemical properties of lignin-based polymers on their flocculation and adsorption performance

Author
Sanaz Sabaghi
Year
2021
Source
Doctoral Thesis
Language
English
Pages
1-369
  • 2485
  • LS
  • long-time storage stability of KL and CKL solutions was evaluated by a dispersion analyzer (LUMiSizer 611)
  • Centrifugal sedimentation analysis
12 more
  • centrifugal separation analysis (CSA)
  • Industrial and municipal effluents contain colloidal charged particles
  • dissolved salts
  • heavy metals and other impurities
  • which may represent varied health risks and must be removed before discharge into the environment. Coagulation and flocculation techniques are highly efficient for the treatment of hydrophobic pollutants and suspended particles. Natural based polymers have been recognized as green chemicals for wastewater treatment system
  • which are environmentally attractive and financially feasible. In this research
  • lignin
  • the second most abundant aromatic polymer was polymerized with cationic
  • anionic and non-ionic monomers to synthesize lignin-based macromolecule with desired characteristics (i.e.
  • charge density
  • molecular weight
  • hydrodynamic radius). lignin-based derivatives
More details
Location
Lakehead University, Canada
Internal reference
2485
Open publication

INFLUENCE OF EMULSIFIER TYPE AND PRODUCTION PARAMETERS ON RED PROPOLIS O/W EMULSION STABILITY - INFLUÊNCIA DO TIPO DE EMULSIFICANTE E PARÂMETROS DE PRODUÇÃO NA ESTABILIDADE DA EMULSÃO O/A DE PRÓPOLIS VERMELHO

Author
Camily Aparecida Reis, Andresa Gomes, Paulo Sobral
Year
2021
Source
Proceedings of 14 SLACA - Latin American Symposium on Food Science
Language
Portuguese
  • 2645
  • LUMiSIzer
  • LS
  • Food
20 more
  • nutrition
  • Crude red propolis; stability index; O/W emulsion
  • Red propolis (RP) can be used as natural additive in foods
  • because its antioxidant/antimicrobial properties. However
  • RP has good solubility only in organic solvents (such as ethanol)
  • in addition to a strong flavor and aroma
  • which limits its application. One alternative to overcome these drawbacks is its encapsulation in oil-in-water (O/W) emulsions in a crude form
  • eliminating solvents. Thus
  • the aim of this work was to evaluate the influence of emulsifier type on the stability index (ESI) of crude RP O/W emulsions. Oil phase (O
  • 10%)
  • composed of crude RP (3%)
  • PGPR (0.2%) and soy oil
  • was prepared at 60°C/5 min under magnetic stirring. Separately
  • water phase (W
  • 90%)
  • containing emulsifier (1%)
  • sodium caseinate (SC) or saponin (S)
  • was prepared at 60°C. emulsion stability index
  • ESI was measured in a multisample analytical photocentrifuge LUMiSizer (2325 x g
  • 1 h)
More details
Edition
Poster, Anais do Simpósio Latino Americano de Ciências de Alimentos, ISSN: 2447-2840
Location
Video
Internal reference
2645
Open publication

Influence of hydrophobic interfaces and shear on ovalbumin amyloid-like fibril formation in oil-in-water emulsions

Author
Arne M.R.Huyst, Lomme J.Deleu, Trui Luyckx, Marlies A.Lambrecht, John Van Camp, Jan A.Delcour, Paul Van der Meeren
Year
2021
Source
Food Hydrocolloids
Language
English
Pages
106327
  • 2355
  • LUMiSizer
  • LS
  • Amyloid-like fibril
5 more
  • Ovalbumin
  • Oil-in-water emulsion
  • Shear treatment
  • Oil-water interface
  • nutrition
More details
Edition
111
Internal reference
2355
Open publication

INFLUÊNCIA DA ADIÇÃO DE SUBPRODUTOS NA DISPERSÃO DE PARTÍCULAS DE CIMENTO

Author
Martins, Julia; Rocha, Janaíde
Year
2021
Source
7° ENCONTRO NACIONAL DE APROVEITAMENTO DE RESÍDUOS NA CONSTRUÇÃO
Language
Portuguese
Pages
166-172
  • LUMiSizer
  • LS
  • 2884
  • Materiais finos
22 more
  • potencial zeta
  • sedimentação
  • dispersão
  • Fine materials
  • zeta potential
  • sedimentation
  • dispersion
  • A granulometria foi medida por meio do equipamento LUMiSizer
  • Este estudo pretende verificar como a adição de subprodutos da construção afeta a dispersão das partículas de cimento. O cimento utilizado foi o CPIIF40 e os subprodutos foram: cinza volante e sílica. Realizaram-se medições de potencial zeta dos materiais utilizados no estudo para analisar a interação entre as partículas com base na natureza e módulo das cargas. Ainda
  • mediu-se a velocidade de sedimentação das partículas
  • com vistas a vincular o potencial zeta à dispersão das suspensões. Os resultados mostram que o aumento da carga entre as partículas garante maior dispersão e
  • consequentemente
  • menores velocidades de sedimentação
  • This study aims to verify how the addition of construction byproducts affects the dispersion of cement particles. The cement used was CPIIF40 and the by-products were: fly ash and silica. Zeta potential measurements of the materials used in the study were performed to analyze the interaction between the particles based on the nature and modulus of the charges. Also
  • the sedimentation velocity of the particles was measured
  • in order to link the zeta potential to the dispersion of the system. The results show that increasing the charge between the particles ensures greater dispersion and
  • consequently
  • lower sedimentation velocities
  • particle size distribution
  • psd
  • psa
  • analysis
More details
Location
Porto Alegre, RS, Brasil, 3, 4 e 5 de novembro de 2021
Internal reference
2884
Open publication

Inkjet printing technology is driving the innovation of sensors for point-of-care Devices

Author
Miguel Zea
Year
2021
Source
Tesis
Language
English
Pages
1-287
  • 2790
  • LUMiSizer
  • LS
  • particle size distribution and sedimentation of the Pt ink was characterized by an analytical centrifuge
29 more
  • Characterization of the Pt ink
  • inkjet printing will facilitate the production of flexible electronics in a cost- effective
  • on circular-economy
  • and reducing waste manner
  • enabling the development of currently unavailable wearable and disposable devices. This is the point at which Point-of-Care testing devices (PoCT) enter in the equation due to their importance in medical trails. These devices are defined as medical diagnostic testing at or near the patient. PoCT devices rely on a fast and accurate measurement based on sensors that provide the physician with a set of important data to make a diagnosis. However
  • major limitations of state-of-the-art PoCT devices include cost
  • disposability
  • biodegradability
  • and reliability. Inkjet printing technology offers solutions to address these problems where its great promises are low-cost
  • non-contact
  • rapid prototyping
  • material varieties
  • and wide range of substrates. Moreover
  • in the last 15 years
  • this technology has already shown its potential in the fabrication of reliable and quantitative sensors which form the essential components of PoCT devices. However
  • our understanding of the technology and its capabilities are still in a promising or potential stage
  • and further expertise needs to be acquired to facilitate the development of complete fully printed PoCT devices. Se prevee es que el Inkjet Printing facilitará la producción de productos electrónicos flexibles de forma rentable
  • en base a conceptos de economía circular y reduciendo el desperdicio
  • lo que permitirá el desarrollo de dispositivos portátiles y desechables no disponibles actualmente. Este es el punto en el que los dispositivos de Point-of-Care (PoC) entran en la ecuación debido a su importancia en las pruebas médicas. Estos dispositivos se definen como pruebas de diagnóstico médico en el paciente o cerca del mismo. Los dispositivos PoC se basan en una medición rápida y precisa basada en sensores que ofrecen al médico datos importantes para realizar un diagnóstico. Sin embargo
  • las principales limitaciones de estos dispositivos
  • incluso hoy en día
  • son el coste
  • la disponibilidad
  • la biodegradabilidad y la fiabilidad. El Inkjet Printing ofrece soluciones para abordar estos problemas donde sus grandes promesas son la fabricación rápida de prototipos
  • de bajo coste
  • usando una gran variedad de materiales y una amplia gama de sustratos. Además
  • la tecnología en los últimos 15 años ya ha demostrado su potencial en la fabricación de sensores cuantitativos y fiables que forman el componente esencial de los dispositivos PoC. Sin embargo
  • nuestra comprensión de la tecnología y sus capacidades permanece en una etapa prometedora o potencial
  • y es necesario adquirir más experiencia para facilitar el desarrollo de dispositivos PoC completos y totalmente impresos
More details
Location
UAB, Spain
Internal reference
2790
Open publication

Innovation and automation in topical formulation development

Author
Marc Brown, Jon Lenn , Charles Evans
Year
2021
Source
European Pharmaceutical Manufacturer
Language
English
  • LUMiSizer
  • LS
  • pharmaceutical
  • long-term physical stability
6 more
  • MedPharm Ltd.
  • 2522
  • automated instrumentation
  • LUMiSizer helps to provide more accurate shelf-life
  • longer-term physical stability
  • Pharmaceutical Insights Pharmaceutical Manufacturing Insights
More details
Edition
24 February 2021 12:11
Internal reference
2522
Open publication

Insect protein concentrates from Mexican edible insects: Structural and functional characterization

Author
D. Baigts-Allende, A. Sedaghat Doost, M. Ramírez-Rodrigues, K.Dewettinck, P. Van der Meeren, B. de Meulenaer, D.Tzompa-Sosa
Year
2021
Source
LWT
Language
English
Pages
112267
  • 2467
  • LUMiFuge
  • LF
  • LUMiSizer
13 more
  • LS
  • Novel proteins
  • Novel food ingredient
  • Edessa cordifera
  • Hermetia illucens
  • Brachygastra mellifica
  • Industrial valorization of proteins from traditional edible insects requires knowledge of their nutritional
  • chemical
  • technological characteristics. Therefore
  • these characteristics in two Mexican edible insects (A. cordifera and B. mellifica) were studied and compared to commercial insect species (H. illucens). The nutritional attributes of insect protein concentrates (PCs) were determined by their protein content
  • amino acid and polyphenol compositions. The emulsions prepared with insect-PC from A. cordifera and B. mellifica showed higher stability than H. illucens
  • where a bigger droplet size and a rapid phase separation occurred. determination of accelerated emulsion stability
  • the Lumifuge
More details
Edition
152
Internal reference
2467
Open publication

Insight into the emulsifying properties of DHA-enriched phospholipids from large yellow croaker (Larimichthys Crocea) roe

Author
Luyao Huang, Xiaodan Lu, Lingyun Zhang, Peng Liang
Year
2021
Source
LWT
Language
English
Pages
111984
  • 2468
  • LUMiFuge
  • LF
  • LUMiSizer
10 more
  • LS
  • Measurement of stability. Stability of nanoemulsions was determined with automatic stability analyzer LUMiFuge
  • Large yellow croaker roe
  • Phospholipids
  • Astaxanthin
  • Nanoemulsions
  • Large yellow croaker roe phospholipid (LYCRPLs) is a kind of multi-functional marine phospholipids. Advanced insights into its emulsifying properties and stability require a deeper exploring. In this study
  • the chemical composition of LYCRPLs
  • egg yolk phospholipids (EYPLs) and soybean phospholipids (SPLs) were determined
  • and their emulsifying properties were investigated systematically.
More details
Edition
150
Internal reference
2468
Open publication

Interaction between β-lactoglobulin and chlorogenic acid and its effect on antioxidant activity and thermal stability

Author
Xuejiao Qie, Wenpu Chen, Maomao Zeng, Zhaojun Wang, Jie Chen, H. Douglas Goff, Zhiyong He
Year
2021
Source
Food Hydrocolloids
Language
English
Pages
107059
  • 2436
  • β-Lactoglobulin
  • Chlorogenic acid
  • Heat treatment
7 more
  • Interaction
  • Antioxidant activity
  • Stability
  • LUMiSizer
  • LS
  • The impact of β-lactoglobulin (β-lg) on antioxidant properties of chlorogenic acid (CGA) and the stability of their complexes under different thermal treatments were explored in this study
  • nutrition
More details
Edition
121
Internal reference
2436
Open publication

Introduction to Analysis in the Dairy Industry

Author
Patrick F. Fox and Therese Uniacke-Lowe
Year
2021
Source
in Handbook of Dairy Foods Analysis, Eds. Fidel Toldrá, Leo M.L. Nollet
Language
English
Pages
6
  • 2499
  • LUMiSizer
  • LS
  • centrifugal separation analysis
5 more
  • food
  • dairy
  • milk
  • nutrition
  • beverages
More details
Edition
2nd
Location
CRC Press, Boca Raton, FL, USA
Internal reference
2499
Open publication

Investigating the role of the different molar mass fractions of a pectin rich extract from onion towards its emulsifying and emulsion stabilizing potential

Author
B. Neckebroeck, S.H.E. Verkempinck, T. Bernaerts, D. Verheyen, M.E. Hendrickx, A. M. Van Loey
Year
2021
Source
Food Hydrocolloids
Language
English
Pages
106735
  • LUMiFuge
  • LF
  • LUMiSIzer
  • LS
9 more
  • 2407
  • Onion pectin
  • Molar mass
  • Fractionation
  • Emulsion stability
  • Viscosity
  • nutrition
  • Accelerated physical stability test
  • instability index
More details
Edition
117
Internal reference
2407
Open publication

Investigation and Modelling of Machining Processes as Surface Pre-treatment for Structural Adhesive Bonding of CFRP

Author
Jens de Freese
Year
2021
Source
Proceedings of the Munich Symposium on Lightweight Design
Language
English
Pages
25–34
  • LUMiFrac
  • LFrac
  • 2662
  • the performance of the adhesive joints
7 more
  • specimens were tested following DIN EN 15870
  • using the principle of centrifugal adhesion tensile testing (CATT) utilizing a LUMiFrac
  • application of carbon fiber reinforced polymers (CFRP) in aerospace industry
  • surface pre-treatment of CFRP by milling
  • Surface pre-treatment for structural adhesive bonding of CFRP
  • Machining of fiber reinforced plastics
  • Evaluation of micromechanical chip formation
More details
Internal reference
2662
Open publication

Lack auf Basis niedermolekularer PLA-Prepolymere

Author
Maren Lehmann, Andrea Winkler
Year
2021
Source
FILK News
Language
German
  • 2541
  • LUMiSIzer
  • LS
  • Mit dem LumiSizer werden die PLA-Dispersionen hinsichtlich Stabilität und Größenverteilung charakterisiert. BMWi INNO-KOM 49MF200086 | Laufzeit: 10.2020 – 09.2022 Maren Lehmann
2 more
  • Andrea Winkler
  • FILK Freiberg Categories: Biogene Rohstoffe Technische Textilien/Composite Verfahren/Prozesse
More details
Edition
found online 24.11.2021, 20:04
Internal reference
2541
Open publication

Laponite/lauric arginate stabilized AKD Pickering emulsions with shell-tunable hydrolytic resistance for use in sizing paper

Author
Yucheng Li, Rui Zhao, Feihong Hu, Peng Lu, Dandan Ji, Qi Luo, Guodong Li, Dehai Yu, Huili Wang, Zhaoping Song, Shan Lie, Wenxia Liu
Year
2021
Source
Applied Clay Science
Language
English
Pages
106085
  • LUMiSizer
  • LS
  • 2498
  • Laponite
8 more
  • Electrostatic complexes
  • Tunable shell
  • Pickering emulsion
  • Stabilization
  • Paper sizing
  • Utilizing the assembly and formation of laponite/lauric arginate (LAE) complexes near the water-oil interface
  • where laponite and LAE interact
  • the stability and preparation of alkyl ketene dimer (AKD) Pickering emulsions with tunable shells were investigated.
More details
Edition
206
Internal reference
2498
Open publication

LIPID NANOPARTICLES FOR DELAYED DELIVERY OF FRAGRANCE WITH ENHANCED WATER SOLUBILITY, THEIR PREPARATION AND USE

Author
JAGTAP SIDDHESHWAR BHASKAR, SHIRKE JAYAVANT RATAN, WAGDARE NAGESH APPASAHEB
Year
2021
Source
WIPO Patent Application WO/2021/156213
Language
Bahasa Indonesia
  • 2616
  • LUMiSizer
  • LS
  • cosmetics
12 more
  • personal care
  • hpc
  • CLARIANT INT LTD
  • In the following examples accelerated stability analysis was carried out as follows: Accelerated stability analysis of formulations was performed using dispersion analyzer LUMiSizer® 611.3-79
  • (LUM GmbFI
  • Germany) which involves centrifugation method with photometric detection at 865 nm. To perform a stability study
  • samples were filled in polyamide cuvettes and centrifuged at 4000 rpm for up to 2.5 hours at 45°C. Then
  • phase separation and instability were indicated by the included software (SepView 6.0; LUM). Disclosed is a lipid nanoparticle comprising a) one or more surfactants having an HLB value of greater than 6
  • and b) one or more amphiphilic compounds having a logP value of 1 or greater than 1
  • and c) one or more odor forming compounds
  • and d) one or more selected diluents
  • and e) one or more selected additives. The fragrance with enhanced water-solubility is encapsulated in the nanoparticles. The encapsulated fragrance is stable during storage conditions and the nanoparticles have long-lasting fragrance release on use thereof. The nanoparticles may be used in cosmetic formulations or in laundry formulations.
More details
Internal reference
2616
Open publication

LUMiSpoc® for the determination of particle size distribution and particle concentration

Author
Prof. U. Peuker
Year
2021
Source
https://tu-freiberg.de/en/fakult4/mvtat/institute-start/lumispoc-for-the-determination-of-particle-size-distribution-and-parti
Language
English
  • 2449
  • LSpoc
  • LUMiSpoc
  • particle counter
5 more
  • counting
  • flow cytometer and is used to determine the particle size distribution and the particle concentration
  • psa
  • psd
  • analysis
More details
Edition
13 Jul 2021
Internal reference
2449
Open publication

Lycopene-loaded bilayer emulsions stabilized by whey protein isolate and chitosan

Author
Peifeng Lv, Di Wang, Rong Liang, Jiasheng Liu, Jingshu Li, Yanxiang Gao, Jingbo Zhang, Fang Yuan
Year
2021
Source
LWT
Language
English
Pages
112122
  • 2423
  • Whey protein isolate
  • Chitosan
  • Bilayer emulsion
15 more
  • Lycopene
  • Antioxidant
  • bilayer emulsion loading lycopene was prepared using lycopene oil solution (0.8 wt%) as oil phase
  • whey protein isolate (WPI) solution (0.6 wt%) as the first layer and the chitosan solutions (0–1.50 wt%) as the second layer. The effect of chitosan concentration on droplet size
  • zeta (ζ)-potential and physical stability of the bilayer emulsion was evaluated and the bilayer emulsion stabilized by chitosan solution of 0.5 wt% concentration showed the best physical stability
  • different antioxidants (oil-soluble: oil-soluble tea polyphenol
  • ascorbyl palmitate and vitamin E; hydrosoluble: bamboo leaf flavonoid
  • D-sodium erythorbate and vitamin C) were added into the oil phase
  • the first layer and the second layer of the lycopene bilayer emulsions
  • respectively. The physical characteristics
  • storage stability and light stability of the bilayer emulsion were then evaluated to determine the effects of antioxidants in different locations on the emulsion
  • LUMiSIzer
  • LS
  • food
  • nutrition
More details
Edition
151
Internal reference
2423
Open publication

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