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chemistry (23) 23
metallurgy (22) 22
compositions based thereon (16) 16
human necessities (16) 16
organic macromolecular compounds (16) 16
their preparation or chemical working-up (16) 16
chemistry, physical (15) 15
chemical aspects of bandages, dressings, absorbent pads, orsurgical articles (11) 11
disinfection, sterilisation, or deodorisation of air (11) 11
hygiene (11) 11
materials for bandages, dressings, absorbent pads, or surgicalarticles (11) 11
medical or veterinary science (11) 11
methods or apparatus for sterilising materials or objects ingeneral (11) 11
organic chemistry (11) 11
peptides (11) 11
agriculture (10) 10
animal husbandry (10) 10
biocides, e.g. as disinfectants, as pesticides, as herbicides (10) 10
fishing (10) 10
forestry (10) 10
hunting (10) 10
macromolecular compounds obtained by reactions only involvingcarbon-to-carbon unsaturated bonds (10) 10
pest repellants or attractants (10) 10
plant growth regulators (10) 10
preservation of bodies of humans or animals or plants or partsthereof (10) 10
trapping (10) 10
surfactant (8) 8
adsorption (6) 6
compositions of macromolecular compounds (6) 6
investigating or analysing materials by determining theirchemical or physical properties (6) 6
measuring (6) 6
physics (6) 6
surface-active-agents (6) 6
testing (6) 6
beer (5) 5
biochemistry (5) 5
chemical or physical processes, e.g. catalysis or colloidchemistry (5) 5
compositions thereof (5) 5
culture media (5) 5
dilatational rheology (5) 5
electrolytes (5) 5
enzymology (5) 5
index medicus (5) 5
macromolecular compounds obtained otherwise than by reactionsonly involving unsaturated carbon-to-carbon bonds (5) 5
microbiology (5) 5
microorganisms or enzymes (5) 5
mutation or genetic engineering (5) 5
performing operations (5) 5
physical or chemical processes or apparatus in general (5) 5
preparations for medical, dental, or toilet purposes (5) 5
propagating, preserving or maintaining microorganisms (5) 5
rheologie (5) 5
rheology (5) 5
spirits (5) 5
surface active agents (5) 5
their relevant apparatus (5) 5
transporting (5) 5
vinegar (5) 5
wine (5) 5
2nd-harmonic generation (4) 4
analysis (4) 4
endotoxin (4) 4
light (4) 4
lipopolysaccharide (4) 4
low endotoxin recovery (4) 4
materials science, multidisciplinary (4) 4
oberflächenspannung (4) 4
physics, applied (4) 4
spectroscopy (4) 4
stability (4) 4
surfactants (4) 4
air-water-interface (3) 3
aqueous-solutions (3) 3
chemical sciences (3) 3
elektrolyt (3) 3
instruments & instrumentation (3) 3
kapillardruck (3) 3
kemi (3) 3
masking (3) 3
natriumdodecylsulfat (3) 3
natural sciences (3) 3
naturvetenskap (3) 3
oscillating bubble capillary pressure tensiometry (3) 3
surface-tension (3) 3
viscoelasticity (3) 3
wässrige lösung (3) 3
adsorption layer (2) 2
air (2) 2
astronomy & astrophysics (2) 2
bacterial endotoxin testing (2) 2
capillary-pressure (2) 2
chemistry, multidisciplinary (2) 2
condensed matter - soft condensed matter (2) 2
counterions (2) 2
drop shape-analysis (2) 2
dynamics (2) 2
elasticity (2) 2
electrolyte-solutions (2) 2
foam lamella stability (2) 2
fysikalisk kemi (2) 2
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1. Full Text A parameter predict ing the foam stability of mixtures of aqueous ionic amphiphile solutions with indifferent electrolyte
by Hofmann, Matthias J and Motschmann, Hubert
Colloids and Surfaces A: Physicochemical and Engineering Aspects, ISSN 0927-7757, 09/2017, Volume 529, pp. 1024 - 1029
Sodium dodecyl sulfate (SDS) is a well-defined model substance for anionic molecular surfactants. Aqueous mixtures of SDS in a surface chemically purified... 
Oscillating bubble capillary pressure tensiometry | SDS | Foam lamella stability | Dilatational rheology | Surface active agents | Sulfates | Electrolytes
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2. Full Text The surface rheological signature of the geometric isomers of an azobenzene-surfactant
by Hofmann, Matthias J and Motschmann, Hubert
Physical Chemistry Chemical Physics, ISSN 1463-9076, 5/2018, Volume 2, Issue 18, pp. 12659 - 12663
The equilibrium and dynamic surface properties of a photosensitive azobenzene-surfactant subject to illumination with UV and Vis-light leading to the... 
CHEMISTRY, PHYSICAL | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | Photosensitivity | Molecular structure | Rheology | Surface chemistry | Surfactants | Isomers | Molecular chains | Properties (attributes) | Adsorption | Light | Surface properties | Bubble technique | Dipole moments | Rheological properties
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3. Full Text Measurement of the lifetime of individual foam lamellae
by Hofmann, Matthias J and Motschmann, Hubert
Review of Scientific Instruments, ISSN 0034-6748, 09/2016, Volume 87, Issue 9, p. 094101
Foams play a crucial role in a number of practical applications. Their analysis in terms of stability is subject to a large number of parameters. An automated,... 
INSTRUMENTS & INSTRUMENTATION | PHYSICS, APPLIED | SURFACTANT SOLUTIONS | STABILITY | Sodium dodecyl sulfate | Cetyltrimethylammonium bromide | Parameters | Vapor phases | Stability analysis | Lamella | Surfactants | Light reflection
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4. The influence of highly charged Ce super(4+)-cations on aqueous solutions of SDS
by Weikl, Robert and Hofmann, Matthias J and Motschmann, Hubert
Colloids and Surfaces A: Physicochemical and Engineering Aspects, ISSN 0927-7757, 09/2016, Volume 505, pp. 93 - 97
The surface dilatational modulus E is a fundamental system parameter of aqueous surfactant solutions which plays an important role in the physic of foams. In... 
Sodium dodecyl sulfate | Foams | Viscoelasticity | Stability | Adsorption | Phase shift | Surface chemistry | Surfactants
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5. Full Text The influence of highly charged Ce.sup.4+-cations on aqueous solutions of SDS
by Weikl, Robert and Hofmann, Matthias J and Motschmann, Hubert
Colloids and Surfaces A: Physicochemical and Engineering Aspects, ISSN 0927-7757, 09/2016, Volume 505, p. 93
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Surface active agents | Electrolytes
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6. Full Text The influence of highly charged Ce 4+ -cations on aqueous solutions of SDS
by Weikl, Robert and Hofmann, Matthias J and Motschmann, Hubert
Colloids and Surfaces A: Physicochemical and Engineering Aspects, ISSN 0927-7757, 09/2016, Volume 505, pp. 93 - 97
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7. Full Text The influence of lanthanide-(III)-nitrates on adsorbed monolayers of dodecylphosphorylcholine at the air-water interface
by Hofmann, Matthias J and Leontidis, Epameinondas and Motschmann, Hubert
Journal of Colloid And Interface Science, ISSN 0021-9797, 07/2019, Volume 548, pp. 217 - 223
Adsorption layers at the air-water interface formed from the soluble zwitterionic surfactant dodecylphosphorylcholine (DPC) serving as a soluble model... 
Dielectric relaxation spectroscopy | Oscillating bubble capillary pressure tensiometry | Hofmeister effects | Dilatational rheology | Ion specific effects | HOFMEISTER | ANIONIC SURFACTANT | CHEMISTRY, PHYSICAL | ELECTROLYTE-SOLUTIONS | DIELECTRIC-RELAXATION | HYDRATION | DROP SHAPE-ANALYSIS | DYNAMIC SURFACE-PROPERTIES | MODEL SYSTEMS | LIQUID EXPANDED MONOLAYERS | LIPIDS | Rare earth metals | Lipids | Electrolytes | Nitrates | Surface active agents | Analysis
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8. Full Text Is surface layering of aqueous alkali halides determined by ion pairing in the bulk solution?
by Brandes, Eva and Stage, Christiane and Motschmann, Hubert and Rieder, Julian and Buchner, Richard
Journal of Chemical Physics, ISSN 0021-9606, 11/2014, Volume 141, Issue 18, p. 18C509
This contribution aims to elucidate the connection between ion-ion-solvent interactions in the bulk of aqueous electrolyte solutions and the properties of... 
HOFMEISTER SERIES | DIELECTRIC-RELAXATION SPECTROSCOPY | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | COEFFICIENTS | VIBRATIONAL SPECTROSCOPY | ELECTROLYTE-SOLUTIONS | REORIENTATION DYNAMICS | HYDRATION SHELLS | WATER-STRUCTURE | ASSOCIATION | MULTILAYERS | Solvents | Water chemistry | Charging | Electric contacts | Ion pairs | Ions | Hydrogen bonding | Dielectric relaxation | Ion association | Aqueous electrolytes | Halides | Spectrum analysis | Oscillator strengths | Alkali halides | Electric fields
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9. Full Text Masking of endotoxin in surfactant samples: Effects on Limulus-based detection systems
by Reich, Johannes and Lang, Pierre and Grallert, Holger and Motschmann, Hubert
Biologicals, ISSN 1045-1056, 09/2016, Volume 44, Issue 5, pp. 417 - 422
Over the last few decades Amebocyte Lysate (LAL) has been the most sensitive method for the detection of endotoxins (Lipopolysaccharides) and is well accepted... 
Low endotoxin recovery | Lipopolysaccharide | LER | Limulus amebocyte lysate | Endotoxin | LAL | Limulus Test - methods | Lipopolysaccharides - chemistry | Surface-Active Agents - chemistry | Lipopolysaccharides - analysis | Surface active agents | Analysis | Detectors | Mitogens
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10. Full Text Surface rheology and its relation to foam stability in solutions of sodium decyl sulfate
by Hofmann, Matthias J and Motschmann, Hubert
Colloids and Surfaces A: Physicochemical and Engineering Aspects, ISSN 0927-7757, 11/2017, Volume 532, pp. 472 - 475
The anionic surfactant sodium decyl sulfate (SDeS) at concentrations below its critical micellar concentration (cmc) was studied in a surface chemically... 
Sodium decyl sulfate (SDeS) | Oscillating bubble capillary pressure tensiometry | Foam lamella stability | Dilatational rheology | AIR-WATER-INTERFACE | MECHANISM | CHEMISTRY, PHYSICAL | TENSION | ADSORPTION | ALKYL SULFATES | IDEAL BEHAVIOR | THERMODYNAMICS | CHAIN-LENGTH | Sulfates | Surface active agents | Adsorption
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11. Full Text Thermoresponsive surfaces by spin-coating of PNIPAM-co-PAA microgels: A combined AFM and ellipsometry study
by Schmidt, Stephan and Motschmann, Hubert and Hellweg, Thomas and von Klitzing, Regine
Polymer, ISSN 0032-3861, 02/2008, Volume 49, Issue 3, pp. 749 - 756
Thermosensitive coatings are fabricated by spin-coating of microgels consisting of the cross-linked copolymer poly( -isopropyl acrylamide- -acrylic acid)... 
Responsive material | Surface coating | Microgel | SHELL MICROGELS | POLYMER SCIENCE | responsive material | LIGHT-SCATTERING | COPOLYMER MICROGELS | SWELLING BEHAVIOR | CHARGE-DENSITY | LATEX-PARTICLES | microgel | surface coating | N-ISOPROPYLACRYLAMIDE | ACRYLIC-ACID | VOLUME PHASE-TRANSITION | ANGLE NEUTRON-SCATTERING | Thin films | Polymerization | Atomic force microscopy | Silicon | Dielectric films
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12. Full Text Low Endotoxin Recovery—Masking of Naturally Occuring Endotoxin
by Reich, Johannes and Weyer, Felix and Tamura, Hiroshi and Nagaoka, Isao and Motschmann, Hubert
International Journal of Molecular Sciences, ISSN 1422-0067, 02/2019, Volume 20, Issue 4, p. 838
Endotoxins are cell wall components of Gram-negative bacteria. A release of endotoxins into the human blood stream results in an inflammation reaction that can... 
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13. Full Text The influence of highly charged Ce4+-cations on aqueous solutions of SDS
by Weikl, Robert and Hofmann, Matthias J and Motschmann, Hubert
Colloids and Surfaces A: Physicochemical and Engineering Aspects, ISSN 0927-7757, 09/2016, Volume 505, pp. 93 - 97
The surface dilatational modulus is a fundamental system parameter of aqueous surfactant solutions which plays an important role in the physic of foams. In... 
Oscillating bubble technique | SDS | Surfactant | Dilatational rheology | CO-IONS | SURFACTANT SOLUTIONS | OSCILLATING BUBBLE METHOD | FOAM STABILITY | CHEMISTRY, PHYSICAL | RHEOLOGY | ADSORPTION LAYERS | VISCOELASTICITY | LIQUID-FILMS | DROP SHAPE-ANALYSIS | DYNAMICS
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14. Full Text Enhanced Photocatalytic Hydrogen Production by Adsorption of an [FeFe]‐Hydrogenase Subunit Mimic on Self‐Assembled Membranes
by Troppmann, Stefan and Brandes, Eva and Motschmann, Hubert and Li, Fei and Wang, Mei and Sun, Licheng and König, Burkhard and Kemi and Organisk kemi and KTH and Skolan för kemivetenskap (CHE)
European Journal of Inorganic Chemistry, ISSN 1434-1948, 02/2016, Volume 2016, Issue 4, pp. 554 - 560
Self‐assembled vesicles with membrane‐embedded or adsorbed ruthenium polypyridine complexes were further functionalized by the adsorption of an... 
Vesicles | Adsorption | Photosynthesis | Enzyme models | Self‐assembly | Self-assembly | ACTIVE-SITE MODELS | IRON HYDROGENASE | RUTHENIUM PHOTOSENSITIZER | MOLECULAR CATALYST | CHEMISTRY, INORGANIC & NUCLEAR | DIIRON HYDROGENASE | ELECTRON-TRANSFER | WATER REDUCTION CATALYSTS | H-2 PRODUCTION | BIOMIMETIC MODEL | LIPOID PH INDICATOR | Enzymes | Hydrogen | Fine chemicals | Analysis | Phytochemistry | Chemical properties | Membranes | Self assembly | Photocatalysis | Catalysis | Hydrogen production | Assembly | Naturvetenskap | Kemi | Natural Sciences | Chemical Sciences
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15. Full Text Breaking the Symmetry of Ions at the Air–Water Interface
by Brandes, Eva and Karageorgiev, Peter and Viswanath, Padmanabhan and Motschmann, Hubert
The Journal of Physical Chemistry C, ISSN 1932-7447, 11/2014, Volume 118, Issue 46, pp. 26629 - 26633
In this Article, we investigate the impact of the fluid-air interface on the dissolved electrolyte potassium ferrocyanide K4[Fe­(CN)6] by infrared-visible... 
LIQUID INTERFACES | MOLECULAR-STRUCTURE | MATERIALS SCIENCE, MULTIDISCIPLINARY | FERROCYANIDE | CHEMISTRY, PHYSICAL | NANOSCIENCE & NANOTECHNOLOGY | ADSORPTION | SURFACE-TENSION | AQUEOUS-SOLUTION | TRIIODIDE ION | DYNAMICS | VIBRATIONAL SPECTROSCOPY | RESONANCE RAMAN
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16. Full Text The Role of Surface Viscosity in the Escape Mechanism of the Stenus Beetle
by Dietz, Alexander A and Hofmann, Matthias J and Motschmann, Hubert
The Journal of Physical Chemistry B, ISSN 1520-6106, 07/2016, Volume 120, Issue 29, pp. 7143 - 7147
Beetles of the species Stenus comma live and hunt close to ponds and rivers, where they occasionally fall on the water surface. To escape this jeopardized... 
CHEMISTRY, PHYSICAL | INTERFACE | STAPHYLINIDAE | COLEOPTERA | BEHAVIOR | WATER | Viscosity | Surface Tension | Coleoptera - metabolism | Piperidines - chemistry | Animals | Adsorption | Coleoptera - chemistry | Water - chemistry | Air | Alkaloids - chemistry | Physiological aspects | Beetles | Research | Analysis
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17. Full Text Investigation of the kinetics and mechanism of low endotoxin recovery in a matrix for biopharmaceutical drug products
by Reich, Johannes and Tamura, Hiroshi and Nagaoka, Isao and Motschmann, Hubert
Biologicals, ISSN 1045-1056, 05/2018, Volume 53, pp. 1 - 9
The inability to detect endotoxin added to undiluted drug samples has been called: Low Endotoxin Recovery (LER). The phenomenon has caused concerns amongst... 
Low endotoxin recovery | LAL | Lipopolysaccharide | LER | Limulus amebocyte lysate | Masking | Endotoxin | OUTER-MEMBRANE | SODIUM | ASSAY | PERMEABILITY | BIOCHEMICAL RESEARCH METHODS | LIPOPOLYSACCHARIDES | DIVALENT-CATIONS | REMOVAL | BACTERIAL-ENDOTOXINS | BIOTECHNOLOGY & APPLIED MICROBIOLOGY | BIOLOGICAL-ACTIVITY | PHARMACOLOGY & PHARMACY
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18. Full Text Why Fluorination of the Polar Heads Reverses the Positive Sign of the Dipole Potential of Langmuir Monolayers: A Vibrational Sum Frequency Spectroscopic Study
by Karageorgiev, Peter and Petrov, Jordan G and Motschmann, Hubert and Moehwald, Helmuth
Langmuir, ISSN 0743-7463, 04/2013, Volume 29, Issue 15, pp. 4726 - 4736
Natural nonionic amphiphiles forming monolayers, bilayers, micelles, or biomembranes create a positive dipole potential at the boundary with water. In a series... 
Vibration | Surface Properties | Water - chemistry | Hydrocarbons, Fluorinated - chemistry | Molecular Structure | Air | Spectrum Analysis | Ether - chemistry
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19. Full Text Low Endotoxin Recovery-Masking of Naturally Occurring Endotoxin
by Reich, Johannes and Weyer, Felix Alexander and Tamura, Hiroshi and Nagaoka, Isao and Motschmann, Hubert
International journal of molecular sciences, 02/2019, Volume 20, Issue 4, p. 838
Endotoxins are cell wall components of Gram-negative bacteria. A release of endotoxins into the human blood stream results in an inflammation reaction that can... 
masking | naturally occurring endotoxin | limulus amoebocyte lysate | bacterial endotoxin testing | low endotoxin recovery | lipopolysaccharide | endotoxin
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20. Full Text Automated system for measuring the surface dilational modulus of liquid-air interfaces
by Stadler, Dominik and Hofmann, Matthias J and Motschmann, Hubert and Shamonin, Mikhail
Measurement Science and Technology, ISSN 0957-0233, 04/2016, Volume 27, Issue 6, p. 65301
The surface dilational modulus is a crucial parameter for describing the rheological properties of aqueous surfactant solutions. These properties are important... 
image processing | graphical user interfaces | signal processing | oscillating bubble technique | surface rheology | automated measurements | dilational modulus | INSTRUMENTS & INSTRUMENTATION | ENGINEERING, MULTIDISCIPLINARY | STABILITY
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