19 Result(s)
within
Jung-Heon Lee
Chemistry
-
Article
Simultaneous Triplex Detection in a Single-Test-Line Lateral Flow Immunoassay Utilizing Distinct Nanoparticle Colorimetry
Lateral flow immunoassay (LFIA) has become a popular method for the rapid detection of biological molecules, with an emerging need for multiplex detection capabilities. A novel LFIA device capable of simultane...
-
Article
Erratum to: Optimization of Vacuum Frying Process for Sweet Potato Chip Manufacturing Using Response Surface Methodology and Artificial Neural Network Model
-
Article
Optimization of Vacuum Frying Process for Sweet Potato Chip Manufacturing Using Response Surface Methodology and Artificial Neural Network Model
The purpose of this study was to optimize product yield and quality of the sweet potato chip manufacturing process in a pilot-scale industrial fryer using vacuum frying (VF) technology, response surface method...
-
Reference Work Entry In depth
Carbon Nanotubes and Nucleic Acids
Carbon materials have always held a very important position in materials research owing to their unique chemical structures, physiochemical properties, and widespread applications. Each of carbon’s allotropic ...
-
Article
DNA-Wrapped CNT Sensor for Small Nucleic Acid Detection: Influence of Short Complementary Sequence
Carbon nanotubes (CNTs) are versatile materials that act as natural fluorescence quenchers and double scaffolds for DNA that can wrap around them based on π–π stacking. We exploited these properties of CNTs to...
-
Living Reference Work Entry In depth
Carbon Nanotubes and Nucleic Acids
Carbon materials have always held a very important position in materials research owing to their unique chemical structures, physiochemical properties, and widespread applications. Each of carbon’s allotropic ...
-
Article
Portable Au Nanoparticle-Based Colorimetric Sensor Strip for Rapid On-Site Detection of Cd2+ Ions in Potable Water
Simple, rapid, and instrument-free detection of cadmium ions (Cd2+) with a portable device is essential to prevent the contamination of potable water. Herein, we propose a simple, fast, and low-cost method for th...
-
Article
Biologically Benign Multi-functional Mesoporous Silica Encapsulated Gold/Silver Nanorods for Anti-bacterial Applications by On-demand Release of Silver Ions
Although silver (Ag)-based nanoparticles (NPs) are frequently used for bactericidal purposes, they have critical issues including excessive release of Ag+, severe oxidation, and cytotoxicity. In this study, we de...
-
Article
Multifunctional Nanomaterial-alginate Drug Delivery and Imaging System for Cancer Therapy
Although chemotherapy is mostly performed by direct injection of the chemotherapeutic agents systemically, this approach can cause undesirable side effects in normal tissues and lacks targeting efficiency. In ...
-
Article
Development of a Polyaniline-coated Monolith Reactor for the Synthesis of Cephalexin Using Penicillin G Acylase Aggregates
A monolith reactor for the synthesis of cephalexin was developed using capillary columns. The micro channel in the monolith reactor was coated with polyaniline (PANI), and penicillin G acylase was aggregated w...
-
Article
β-Glucosidase coating on polymer nanofibers for improved cellulosic ethanol production
β-Glucosidase (βG) can relieve the product inhibition of cellobiose in the cellulosic ethanol production by converting cellobiose into glucose. For the potential recycled uses, βG was immobilized and stabilize...
-
Article
Production of ceramide with Saccharomyces cerevisiae
The possibility of producing the biologically active material of the skin, ceramide, was studied using yeasts. The yeast strain that produced the most ceramide, Saccharomyces cerevisiae (KCCM 50515), was selected...
-
Article
Mobile phase compositions for ceramide III by normal phase high performance liquid chromatography
Ceramide III was prepared by the cultivation ofSaccharomyces cerevisiae. Ceramide III was partitioned from the cell extracts by solvent extraction and analyzed by Normal Phase High Performance Liquid Chromatograp...
-
Article
Development of supporting materials for microbial immobilization and iron oxidation
We developed the microbial immobilization particle with curdlan and activated carbon, which has great adsorption capacity. The characteristics of porosity and mechanical strength of these supporting particles ...
-
Article
Optimization of secondary metabolite production using singular approximation and minimum principle
Optimal control profiles as calculated with two control algorithms, singular approximation and minimum principle, are compared in this article. Switching points were determined using the singular approximation...
-
Article
The feasible modes of optimal operation of bioreactor with inlet and outlet feed streams
The fermentation system with inlet and outlet feed rates were classified into nine possible operations and the feasible modes of optimal operation were checked. The feasible modes of optimal operation were det...
-
Article
Comparison of various optimization approaches for fed-batch ethanol production
Various optimization techniques have been proposed to optimize the feedrate profile to maximize ethanol production. Among them are the differential algebraic system (DAS) approach, Kelly transformation approac...
-
Article
Development of nonsingular optimization algorithm and its application to chemical engineering systems
A nonsingular transformation algorithm which converts a singular control problem to nonsingular one was developed to calculate optimal control profiles. Several chemical engineering problems for applying a non...
-
Article
Effects and optimization of selection pressure in enzyme production using recombinantE. coli
Selection pressure is widely used in stabilizing the plasmid of the recombinant microorganism. The effects of selection pressure on enzyme production were investigated using recombinantE. coli harboring plasmid p...
