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You searched for: Author "Sim, Sang Jun" Remove constraint Author: "Sim, Sang Jun" Journal Analytical chemistry Remove constraint Journal: Analytical chemistry
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1. Integrated Microfluidic Platform for Multiple Processes from Microalgal Culture to Lipid Extraction

Author:
Sim, Sang Jun,   et al.   ; Lim, Hyun Seok; Kim, Jaoon Y. H.; Kwak, Ho Seok;     Show all 4 Authors
Source:
Analytical chemistry 2014 v.86 no.17 pp. 8585-8592
ISSN:
1520-6882
Subject:
biofuels; cell culture; economic sustainability; filtration; fuel production; isopropyl alcohol; lipids; microalgae; quantitative analysis; solvents; temperature; toxicity
Abstract:
... For economically viable biofuel production from microalgae, it is necessary to develop efficient analytical platforms for quantitative evaluation of different lipid productivities of numerous microalgal species. Currently, microalgal culture, lipid accumulation, and lipid extraction depend on conventional benchtop methods requiring laborious and time-consuming processes. A poly(dimethylsiloxane) ( ...
DOI:
10.1021/ac502324c

2. A Whole-Cell Surface Plasmon Resonance Sensor Based on a Leucine Auxotroph of Escherichia coli Displaying a Gold-Binding Protein: Usefulness for Diagnosis of Maple Syrup Urine Disease

Author:
Sim, Sang Jun,   et al.   ; Woo, Min-Ah; Park, Jung Hun; Cho, Daeyeon; Kim, Moon Il; Park, Hyun Gyu;     Show all 6 Authors
Source:
Analytical chemistry 2016 v.88 no.5 pp. 2871-2876
ISSN:
1520-6882
Subject:
Escherichia coli; auxotrophs; blood; cell growth; employment; genetic engineering; homocystinuria; leucine; maple syrup urine disease; nanogold; neonates; phenylketonuria; surface plasmon resonance
Abstract:
... We developed a whole-cell surface plasmon resonance (SPR) sensor based on a leucine auxotroph of Escherichia coli displaying a gold-binding protein (GBP) in response to cell growth and applied this sensor to the diagnosis of maple syrup urine disease, which is represented by the elevated leucine level in blood. The leucine auxotroph was genetically engineered to grow displaying GBP in a proportion ...
DOI:
10.1021/acs.analchem.5b04648

3. Two-Dimensional Microfluidic System for the Simultaneous Quantitative Analysis of Phototactic/Chemotactic Responses of Microalgae

Author:
Sim, Sang Jun,   et al.   ; Sung, Young Joon; Kwak, Ho Seok; Hong, Min Eui; Choi, Hong Il;     Show all 5 Authors
Source:
Analytical chemistry 2018 v.90 no.23 pp. 14029-14038
ISSN:
1520-6882
Subject:
Chlamydomonas reinhardtii; aqueous solutions; autotrophs; bicarbonates; biofuels; carbon dioxide; carbon dioxide fixation; chemotaxis; commercialization; energy; fuel production; inorganic carbon; microalgae; mutants; photosystem II; phototaxis; quantitative analysis; screening; statistical analysis
Abstract:
... Microalgae have been spotlighted as a renewable energy source to produce biofuels from CO₂ by photosynthesis. However, their innate inefficiency of CO₂ conversion using light energy has been a challenge to the commercialization of algae-based biofuel production. Photosynthetic organisms have evolved behavioral responses, including phototaxis and chemotaxis, to find optimal conditions for capturing ...
DOI:
10.1021/acs.analchem.8b04121