Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Jun Keun Chang"'
Publikováno v:
Operative Dentistry. 41:318-326
SUMMARY Objective: The purpose of the study was to evaluate the effect of bleaching on teeth with white spot lesions. Methods and Materials: Carious lesions with standardized whiteness were produced on the buccal and lingual surfaces of human premola
Autor:
Chae Seung Lim, Chanil Chung, Chi Hyun Cho, Dae Sung Hur, Jun Keun Chang, Ju Yeon Kim, Seong Soo A. An, Agnes E. Nyeck, Sehyun Shin
Publikováno v:
Clinical Hemorheology and Microcirculation. 56:67-74
Since Landsteiner's discovery of ABO blood groups, RBC agglutination has been one of the most important immunohematologic techniques for ABO and RhD blood groupings. The conventional RBC agglutination grading system for RhD blood typings relies on ma
Publikováno v:
Bioanalysis. 2:1755-1765
Image cytometry is a method for quantitative cellular analysis using images generally captured on slides or microfabricated chips. The flowless nature of data acquisition in image cytometry allows the use of value components, such as light-emitting d
Publikováno v:
Artificial Organs. 21:957-960
Adequate intrathoracic anatomical compatibility is one of the most important considerations in designing a fully implantable total artificial heart (TAH). We have recently developed an innovative concept of reverse positioning of the aortic and pulmo
Autor:
Hoyoung Yun, Keunchang Cho, Won Gu Lee, Dong-Chul Han, Jun Keun Chang, Chanil Chung, Jeong Ah Kim, Hyunwoo Bang
Publikováno v:
Current Applied Physics. 8:696-699
A systematic design and miniaturization of conventional clinical and diagnostic tools are emerging in many nanobiotechnology and nanobioscience fields. Recently, the pharmaceutical and biotechnological industries have continuously accelerated novel d
Publikováno v:
Microsystem Technologies. 14:719-724
Today’s pharmaceutical industry is facing several challenges resulting from a vastly increasing number of samples through a high-throughput screening. In addition, the increased demand for cytotoxicity tests have caused bottlenecks, which in turn i
Publikováno v:
Biosensors and Bioelectronics. 22:3273-3277
We developed a multi-channel electroporation microchip made of polydimethylsiloxane (PDMS) and glass for gene transfer in mammalian cells. This chip produces multiple electric field gradients in a single microchip by varying the lengths of the microc
Autor:
Hoyoung Yun, Seok Chung, Junha Park, Chanil Chung, Jun Keun Chang, Dong Chul Han, Keunchang Cho
Publikováno v:
Current Applied Physics. 6:992-995
Asymmetric nozzle inlet was suggested for particles to converge into a highly confined region. The physical properties from the nano-scaled volumetric difference at nozzle inlet were investigated using computational fluid dynamics and particle motion
Autor:
Dong-Chul Han, Hyunwoo Bang, Jun Keun Chang, Hwa Joon Park, Won Gu Lee, Chanil Chung, Keunchang Cho
Publikováno v:
Current Applied Physics. 6:e237-e241
Here we present our initial study of a surface tension-enhanced optical trapping for lateral close-packing of dielectric objects. This is a novel approach to optically trap multiple micro-scale objects even with a lower intensity of the beam. Such la
Autor:
Jun Keun Chang, Seok Chung, Hoyoung Yun, Dong Chul Han, Won Gu Lee, Keunchang Cho, Seong Ho Kang, Chanil Chung
Publikováno v:
Current Applied Physics. 6:e137-e140
In this article, ultra-thin microchannel-type electrophoresis chip is presented to enhance the detection sensitivity of total internal reflection fluorescence microscopy (TIRFM) for both prism- and lens-type methods simultaneously. Very small thickne