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Article
Drop size distribution and holdup in a rotating impeller extraction column
A stagewise hydrodynamic model, applying drop population balance equations derived from models for breakage and coalescence of drops in a countercurrent liquid-liquid extraction system, was developed to predic...
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Article
Improvement in the Selectivity of the Chemigram Approach in Gas Chromatography/Infrared Spectroscopy
As gas chromatography/ infrared spectrometry (GC/IR) becomes routinely available, methods must be developed to contend with the large amount of data produced. We demonstrate computer methods that can be used t...
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Article
Simple Method for the Preparation of Water-Modified or Methanol-Modified Carbon Dioxide as the Mobile Phase in Supercritical Fluid Chromatography
The polarity range of solutes that can be separated by supercritical fluid chromatography (SFC) can be greatly extended by the addition of polar modifiers to supercritical CO2. In this paper, a new mixing device ...
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Article
Extraction of proteins and polymers using reverse micelles and percolation process
Specific interfacial properties, which affect protein extraction in AOT and AOT-lecithin reverse micellar systems (RVMS), have been studied by using their percolation processes. Solubilization of proteins or s...
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Article
Heat equation for harmonic maps of the compactification of complete manifolds
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Article
The segmentation of computed tomography using the geometric active contour model
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Chapter and Conference Paper
Quantum Database Search by a Single Query
In this paper we give a quantum mechanical algorithm that can search a database by a single query when the number of solutions is more than a quarter. It utilizes the generalized Grover operator of arbitrary p...
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Article
Extraction of microcystins from cyanobacteria by acetic-acid modified supercritical CO2
A new method for the fast extraction of mucrocystins RR and LR in cyanobacterium was developed using supercritical CO2. The microcystins were successfully extracted with a ternary mixture (90% CO2, 9.5% acetic ac...
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Article
Polymethylsilane post-treated with a polyborazine promotor as a precursor to SiC with high ceramic yield
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Article
Characterization of Hydrophobic SiO2 Powders Prepared by Surface Modification on Wet Gel
Hydrophobic porous silica has been prepared by surface modification of TEOS (tetraethylorthosilicate) wet gel with 6 and 12 vol.% of TMCS (trimethylchlorosilane). We characterized the products by using FT-IR, ...
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Article
Modification of polycarbosilane as a precursor with high ceramic yield for oxygen-free SiC fibers
Polycarbosilane (PCS) was modified by addition of 1 wt% polyborazine and subsequent heat treatment at 70-400 °C. The modified PCS exhibited highly improved ceramic yield from original 63% to 78% by heating at ...
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Chapter and Conference Paper
The Team Description of the Team OMNI
The Team OMNI has developed a robot system with omnidirectional vision and omni-directional mobility according to the rule of the RoboCup Small Size League. This paper describes the hardware configuration, sof...
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Article
Surface Modification of Colloidal Silica by Sulfonation Route for Super-Hydrophilicity
Colloidal silica was chemically modified by a two-step method including an olefin sulfonation route as a preliminary study for super-hydrophilic applications. The hydrophobic vinyl groups were initially bonded...
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Article
Preparation of Porous Cordierite with Thermally Stable Pore Structure
A cordierite ceramic with a thermally stable pore structure was prepared by a simple modification of a sol-gel reaction of alkoxide precursors, synthesized from Mg metal or Mg acetate, Al(i-OPr)3, and partially p...
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Article
Studies on Curing Chemistry of Aluminum-Chromium-Phosphates as Low Temperature Curable Binders
The curing behavior of metal phosphate binders, Al(H2PO4)3 and Al3Cr(H2PO4)9,12, was compared and characterized in order to understand the changes in chemical structure and crystalline phase that occur when they ...
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Article
Deposition of Titania Nanoparticles on Spherical Silica
Titania coated silica nanoparticles were prepared through a sol-gel process using peptized TiO2 nano-sols. The TiO2 sols were obtained by peptization, the process of redispersing a coagulated colloid, and were co...
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Article
Multicomponent batch distillation with distillate receiver
Based on the assumption of adiabatic equilibrium stages, a rigorous calculation procedure applicable to a multicomponent batch distillation with a distillate receiver under total reflux condition was developed...
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Article
The kinetics of oxidation curing of polycarbosilane fibers
For the oxidation curing of polycarbosilane (PCS) fibers in air, a first-order reaction based on the weight gainw (in percentage) was approached with the kinetic equationdwldt=k(w m-w). Th...
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Article
High-Throughput Analysis of Sofalcone in Human Plasma by Use of Automated 96-Well Protein Precipitation and LC-MS-MS
A sensitive and selective method for the determination of sofalcone in human plasma was established by use of protein precipitation and liquid chromatography-tandem mass spectrometry. Plasma samples were trans...
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Article
Interaction between reverse micelles as a key factor governing back-extraction of proteins and its control systems
The interfacial transport processes of proteins from a reverse micellar phase to an aqueous phase have been investigated focusing on micellar-micellar interaction. The proteins solubilized into reverse micelle...
