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Interactions between enzymes and oxide colloidal particles and their influence on enzymatic activity

Ludmilla Derr

Reihe: Grund- und Werkstoffe/Kunststoffe

Band 760 2016

Treffer in den folgenden Teilen:

Physisorption of enzymatically active chymotrypsin on titania colloidal particles S. 59-81

„… study are summarized in Table 8.1. Table 8.1 Properties of T i02 colloidal particles.a The data were …” „… colloidal particles ABSTRACT: In this study we use a straightforward experimental method to probe the …” „… presence and activity of the proteolytic enzyme a-chymotrypsin adsorbed on T1O2 colloidal particles. We …”

Interactions between colloidal particles in aqueous suspension S. 5-21

„… 2 Interactions between colloidal particles in aqueous suspension ABSTRACT: Chapter 2 provides an …” „… potential between colloidal particles. Non-DLVO forces are also briefly presented with a focus on hydrogen …” „… forces between colloidal particles and between proteins and colloidal particles, both proteins and …”

Colloidal particles, their surface functionalization and covalent enzyme mobilization S. 27-33

„… 4 Colloidal particles, their surface functionalization and covalent enzyme immobilization …” „… h o u s a lu m in a 4.1 Alumina colloidal particles The thermodynamically stable phase of aluminum …” „… 7.2-9.542. 4.2 Silica colloidal particles Crystalline Silicon dioxide is rather inert and has numerous …”

Assessment of proteolytic activity of a-chymotrypsin immobilized on colloidal particles by matrix-assisted laser desorption ionization time-of-flight mass spectroscopy S. 140-163

„… 11 Assessment of the proteolytic activity of achymotrypsin immobilized on colloidal particles by …” „… partidebound protease, Chymotrypsin was covalently immobilized onto Si02 and AI2O3 colloidal particles. The …” „… and 10 % of the initial concentration) than to S1O2 (below 1 %) colloidal particles. Compared to an …”

Effects of silica and alumina colloidal particles on enzymatic activity of achymotrypsin after adsorption S. 82-102

„… 9 Effects of silica and alumina colloidal particles on the enzymatic activity of achymotrypsin …” „… Si02 and Al203 colloidal particles using the physisorption method. The main focus of this study was …” „… to compare the influence of adsorption on Si02 or AI2O3 colloidal particles on the enzymatic …”

Conclusions S. 164-167

„… this thesis was to analyze the effects of colloidal ceramic particles on the enzymatic activities of …” „… colloidal particles is very complex, a simple model system using a serine protease, a-chymotrypsin, was …” „… , physisorption was seiected to examine the effects of colloidal ceramic particles on the enzymatic activity of …”

Titelei/Inhaltsverzeichnis S. I-XX

„… Dipl.-Chem. Ludmilla Derr, Bremen Interactions between enzymes and oxide colloidal particles and their …” „… influence on Interactions between enzymes and oxide colloidal particles and their influence on enzymatic …” „… f f e / Bremen Kuns ts to f fe Nr. 760 Interactions between enzymes and oxide colloidal particles …”

Protein adsorption S. 34-40

„… on colloidal particles. The corresponding forces are discussed in Chapter 2. This chapter focuses on …” „… protein, colloidal particles, and media properties that govern the interactions and processes on the …” „… interactions Different Parameters and their interpiay influence the interactions between colloidal particles …”

Introduction S. 1-4

„… challenging topic in this research field is the investigation of protein adsorption on colloidal particles …” „… key goal of this thesis is to analyze the effects of colloidal ceramic particles on the enzymatic …” „… interactions between enzymes and colloidal particles, a simple model system is preferred. A serine protease …”

Outlook S. 168-169

„… separately. The study of adsorption interactions between enzymes and ceramic colloidal particles can be …” „… influence of surface functionalization of the ceramic colloidal particles on the enzymatic activities of …” „… application of the utilized methods. The size and weight of the colloidal particles allowed the use of …”

Physisorption of a-chymotrypsin on SiO2 and TiO3: a comparative study via experiments and molecular dynamics simulations S. 103-139

„… Si02 and T1O2 colloidal particles by means of a combination of adsorption experiments and molecular …” „… . 10.2 Materials and methods 10.2.1 Materials Silica colloidal particles (Si02; Si02P015-01, > 99.9 % wt …” „… , Lot. No. 100618-02V) were obtained from Fibre Optic Center (USA). Titania colloidal particles (TiCh …”

Experimental methods and principles S. 48-58

„… concentrations in the supernatants and in reference protein solutions incubated without colloidal particles were …” „… directly applicable due to the light scattering caused by colloidal particles. Therefore, a detailed …” „… of the amount of enzyme adsorbed on the colloidal particles, selection of suitable experimental …”

List of publications S. 171

„… .; Physisorption of enzymatically active Chymotrypsin on titania colloidal particles. J Colloid Interf Sei 2015 …” „… .; Assessment of the proteolytic activity of a-chymotrypsin immobilized on colloidal particles by …” „… , R.; Interaction of the physiological tripeptide glutathione with colloidal alumina particles. J …”

References S. 173-194

„… ), 5402-12. 32. Rezwan, K. Protein treated aqueous colloidal oxide particle suspensions: driving forces for …” „… . Ohshima, H., Surface Charge density/surface potential relationship for a spherical colloidal particle in …” „… .; Rezwan, K., Assessment of the proteolytic activity of a-chymotrypsin immobilized on colloidal particles …”

Enzymatic activity S. 41-47

„… before and after immobilization on colloidal particles require a highly reproducible enzyme assay. A …”

doi.org/10.51202/9783185760051

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Near-net-shape fabrication of open-porous bone replacement materials of calcium phosphate and protein

Berit Müller

Reihe: Biotechnik/Medizintechnik

Band 294 2017

Treffer in den folgenden Teilen:

REFERENCES S. 81-92

„… biocompatible colloidal oxide particles upon adsorption of bovine serum albumin and lysozyme. Journal of …” „… adsorbed on colloidal Titania and alumina particles. Langmuir, 2005. 21(8): p. 3493-3497. 40. Rezwan, K …” „… ., et al., Bovine serum albumin adsorption onto colloidal Al2O3 particles: A new model based on zeta …”

METHODS S. 15-26

„… the zeta potential in suspensions with high particle volume fraction: colloidal vibration potential …” „… stable suspension with low particle agglomeration and sedimentation tendency is crucial for wet-route …” „… scaffold fabrication processes. When particles are submerged in liquid, positively and negatively charged …”

DISCUSSION S. 64-75

„… colloidal silica particles build a strong particle network during freezing and favour the scaffold …” „… Serum Albumin and Lysozyme Adsorption on Calcium Phosphate Particles. Advanced Engineering Materials …” „… dominates over the particle’s surface chemistry. Figure 6-1 shows the measured maximum protein adsorption …”

EXPERIMENTAL S. 27-38

„… measured by helium pycnometry (AccuPyc 1330, Micromeritics). The calcium phosphate particle size …” „… surface area was quantified by BET (Gemini, Micromeritics). The particle shape was defined by SEM images …” „… spectroscopy measurements. The zeta potential was detected by colloidal vibration current technique [87] with …”

doi.org/10.51202/9783186294173

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Inkjet-Druckprozess für die Fertigung von Strukturen zur photoaktivierten Wasserspaltung

Danny Lehmann

Reihe: Elektronik/Mikro- und Nanotechnik

Band 394 2017

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Literaturverzeichnis S. 140-158

„… Moon, J. (2006). Control of Colloidal Particle Deposit Patterns within Picoliter Droplets Ejected by …” „… polyaniline-silicia and poly(3,4ethylenedioxythiophene)-silicia colloidal composite particles. J. Mat. Chem …” „… Multilayer Deposition of Functional Particle Inks. Proceedings of the Digital Fabrication and Digital …”

doi.org/10.51202/9783186394095

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Mineralische Baustoffe.

Urs Müller

Reihe: Erhalten historisch bedeutsamer Bauwerke

Band 2021

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11 Literatur S. 297-314

„… .: Characterization of Mineral Building Materials by Mercury-Intrusion Porosimetry. Particle & Particle Systems …” „… by Mercury-Intrusion Porosimetry. Particle and Particle System Characterization 23 (2006), Nr. 1, S …” „… Institute, 2005 [10.21] Chandra, S.; Liping, W.: Colloidal Silica in Stone Conservation. Restoration of …”

doi.org/10.51202/9783738805048

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wwt Wasserwirtschaft Wassertechnik

Alle Ausgaben: wwt Wasserwirtschaft Wassertechnik

wwt Jahrgang 70 (2021) Heft ModRep ISSN Online: 1438-5716

Treffer in den folgenden Teilen:

Ulrich Sonntag, Martin Pfaff Mit Kameratechnik und Algorithmen zu sauberem Wasser S. 62-65

„… . (2008): The Separation Method for Removing of Colloidal Particles from Raw Water. Faculty of …”

doi.org/10.51202/1438-5716-2021-ModRep

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Model-based and Experimental Analysis of Transient Electrodialysis Processes

Matthias Johannink

Reihe: Verfahrenstechnik

Band 949 2016

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Bibliography S. 161-177

„… colloidal particles around non-woven membrane spacers. Journal of Membrane Science, 442:254 263, 2013. C.-C …” „… . CFD analysis of the initial stages of particle deposition in spiral-wound membrane modules …”

Introduction S. 4-16

„… understood as the attachment of macro-molecules, particles or bio lms at the membrane surface (Fritzmann …” „… polarization, fouling and scaling depends on the net transport of solutes or particles towards the membranes …” „… leaving the ow channels. Especially for the prevention of both colloidal fouling and scaling, EDR has …”

doi.org/10.51202/9783186949035

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International Conference on Gears 2017

VDI Wissensforum GmbH (Hrsg.)

Reihe: VDI-Berichte

Band 2294 2017

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J. J. Liou, S. Rakuff The development of worm drives S. 503-516

„… [22] Pacholke, P. J. and Marshek, K. M.: Improved Worm Gear Performance with Colloidal Molybdenum …” „… , 1999 [42] Peng, Z. and Kirk, T. B.: Computer Image Analysis of Wear Particles in Three- Dimensions …”

doi.org/10.51202/9783181022948

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Experimentelle und numerische Bestimmung strukturmechanischer und akustischer Eigenschaften von metallischen Hohlkugelstrukturen

Rolf Winkler

Reihe: Grund- und Werkstoffe/Kunststoffe

Band 759 2016

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Literaturverzeichnis S. 196-214

„… of order in non-equilibrium solids using colloidal gels. Journal of Physics: Condensed Matter 16, S …” „… Modelling., A Stochastic Model for the Slow Sedimentation of Small Particles in a Viscous Fluid …”

doi.org/10.51202/9783186759054

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