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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 28 for “"laser light scattering"”.
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Applications of Laser Light Scattering Spectroscopy to Biopolymers
Made available in DSpace on 2014-12-13T20:10:01Z (GMT). No. of bitstreams: 1 7709152.pdf: 4447494 bytes, checksum: bac48d8876e08a62eccaec7e3b8bbc1b (MD5) Previous issue date: 1976
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Brownian motion of macromolecules inside single intact biological cells : microscope laser light scattering spectroscopy
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1986.
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An investigation of laser light scattering for the measurement of micron size particles with application to bioflocculation
… goal of this research program was to investigate laser-based methods for characterizing biological flocs. The research objectives included the selection of laser-based methods which are applicable to the wastewater treatment plant environment, design and development of laser-based instrument …
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A Novel and Rapid Staphylococcus aureus Bacterial Identification Method Utilizing ImmunoMagnetic Beads and Single Cell Laser-Light Scattering
… via ImmunoMagnetic Separation (IMS) and laser-light scattering identification technology. With this method, we hypothesized that anti-Protein A conjugated to magnetic DynaBeads could bind to surface Protein A on <em>S. aureus </em>from swab sample and facilitate their isolation upon …
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Quasi-Elastic Rayleigh Laser Light Scattering From Macromolecules, Electrophoretic Light Scattering, and the Molecular Zeeman Effect and Deuterium Quadrupole Coupling Constant in Methinophosphide
Made available in DSpace on 2015-05-13T15:17:38Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7524316.PDF: 3756955 bytes, checksum: f5bb89e4088785950c93270c758703cb (MD5) Previous issue date: 1975
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Inversion of Light Scattering Measurements for Particle Size and Optical Constants
Light scattering techniques have proven to be valuable tools in determining the size and optical properties of aerosol particles. Laser light scattering techniques can be used unobtrusively in harsh environments, so the development and improvement of these techniques is of great interest. The …
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Ultrasound Mediated Synthesis of Catalytic and Polymeric Materials
… unit. Molecular weight was determined by GPC and laser light scattering experiments in addition to characterization of the polymer structure was carried out by solution and solid state NMR and is consistent with a quaternary backbone carbon bonded to a benzyl group. The decomposition profile for …
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Preparation and characterization of multifunctional chitosan microparticles for lung delivery
… size of iron oxide nanoparticles determined by laser light scattering was 123.15 ± 12.98nm (n=3). However, the TEM results revealed a particle size of 17.47 nm± 2.15nm. The larger particle size by laser light scattering which measures the hydrodynamic diameter, could be due to oleic acid and …
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Size Exclusion Chromatography of Poly(2-ethyl-2-oxazoline) Homopolymers and Poly(ethylene oxide)-b-Poly(2-ethyl-2-oxazoline) Copolymers
… is multidetection SEC which includes multi-angle laser light scattering, viscometry, refractive index and UV spectroscopy to analyze block and graft copolymers as well as polymers with oligomeric molecular weights. Oligomeric molecular weights present special challenges since the light scattering …
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Molecular composites of a conducting polymer: syntheses and characterization of poly(1,4-phenylenevinylene)-crown ether rotaxanes
… weight of this polymer was measured by low angle laser light scattering. The poly(1,4-phenylenevinylene) rotaxanes were isolated by dialysis and solid-liquid extraction. They were also characterized by TGA, IR, UV-vis, photoluminescence spectroscopy, and solid state ¹³C NMR from which the mass …
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Albumin Adsorption: Inferences of Protein Interactions Measured by Sedimentation both Between Species and Induced by Denaturing
… and aggregation have been found. A dynamic laser light scattering instrument will be utilized to measure the differences in size and determine the amount of aggregation. Our lab has developed a z-axis translating laser light scattering device (ZATLLS) that has been used to measure the …
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Design and Characterization of a Dust Injector for Future Studies of Tungsten Dust in the STOR-M Plasma
… are then imaged with a high-speed camera via laser light scattering. Collected 12-bit raw image data was then processed and analysed. This analysis fully characterizes the dust injector in terms of the time evolution of the injector dust plume, amount of gas injected and injected dust mass.
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Crush Strength Analysis of Hollow Glass Microspheres
… Two different methods, microscopy counting and laser light scattering, used in the research yielded similar distributions. The main objective of this research was to analyze the crush strength of individual microspheres. Using nanoindentation, data were collected to analyze the crush strength of …
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Piezo-optical study of the behaviour of short chain liquid polymers
… globular with increasing pressure. Brillouin laser light scattering is a powerful probe of molecular dynamics, and has been shown to be applicable to liquid polymers at high pressures. The present work has been concerned with relating molecular parameters, obtained by light scattering, to bulk …
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Polymer hydrogel nanoparticles and their networks
… of microgel particles, measured by dynamic light scattering, have been correlated with synthesis conditions including surfactant concentration, polymer concentration, and reaction temperature. The swelling and phase transition properties of resultant HPC microgels have been analyzed using …
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An investigation of the motion of liquid short chain molecules using Rayleigh-Brillouin spectroscopy
Dynamic laser light scattering spectroscopy is used to study the motion of short chain flexible molecules in the liquid state. Depolarised Rayleigh-Brillouin scattering is used to investigate the isomers of the homologous alkane series n-pentane to n-octane. In addition to the low frequency …
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Formation of RDX nanoparticles by rapid expansion of supercritical solution : in situ characterization by laser scattering
… CO_2 were characterized in situ by a pulse laser light scattering imaging technique using gated ICCD camera. The sensitivity was determined using Rayleigh scattering from air as well as light scattering from standard polystyrene spheres. The size distribution functions of the particles …
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Nanoparticle - Heavy Metal Associations in Riverbed Sediments
… (aFlFFF) coupled to both multi-angle laser light scattering (MALLS) and high resolution-inductively coupled plasma mass spectroscopy (HR-ICPMS). Riverbed sediment samples were taken from the Clark Fork River in Montana, USA where a large-scale dam removal project has released reservoir …
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Synthesis and characterization of soluble, melt-processible aromatic poly(amide-imides)
… vapor pressure osmometry and low angle laser light scattering. The various methods showed good correlation to one another and represent the first extensive solution characterization of soluble poly(amide-imides). The catalytic imidization of σ- ester acids was found to be a novel and …
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