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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 294 - 303 (10page)
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초록· 키워드
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Shear stress occurs in flowing liquids, especially at the interface of a flowing liquid and a stationary solid phase. Thus, it occurs inside the artery system of the human body, where it is responsible for a number of biological functions. The shear stress level generally remains less than 70 dyne/cm2 in the whole circulatory system, but in the stenotic arteries, which are constricted by 95%, a shear stress greater than 1,000 dyne/cm2 can be reached. Methods of researching the effects of shear stress on cells are of large interest to understand these processes. Here, we show the development of a microfluidic device for generating shear stress gradients. The performance of the shear stress gradient generator was theoretically simulated prior to experiments. Through simple manipulations of the liquid flow, the shape and magnitude of the shear stress gradients can be manipulated. Our microfluidic device consisted of five portions divided by arrays of micropillars. The generated shear stress gradient has five distinct levels at 8.38, 6.55, 4.42, 2.97, and 2.24 dyne/ cm2. Thereafter, an application of the microfluidic device was demonstrated testing the effect of shear stress on human umbilical vein endothelial cells.
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등록된 정보가 없습니다.
참고문헌 (36)
참고문헌 신청
Korin, N / 2015 / Targeted Drug Delivery to Flow-Obstructed Blood Vessels Using Mechanically Activated Nanotherapeutics / JAMA Neurol 72:119~122
Chistiakov, D.A / 2017 / Effects of shear stress on endothelial cells: go with the flow / Acta Physiol 219:382~408
Zhang, X / 2008 / Attachment and detachment of living cells on modified microchannel surfaces in a microfluidic-based lab-on-a-chip system / Chem. Eng. J 135:S82~S88
Plouffe, B.D / 2007 / Peptide-mediated selective adhesion of smooth muscle and endothelial cells in microfluidic shear flow / Langmuir 23:5050~5055
Plouffe, B.D / 2009 / Development of microfluidics as endothelial progenitor cell capture technology for cardiovascular tissue engineering and diagnostic medicine / FASEB J 23:3309~3314
Chistiakov, D.A / 2017 / Effects of shear stress on endothelial cells: go with the flow / Acta Physiol 219:382~408
Zhang, X / 2008 / Attachment and detachment of living cells on modified microchannel surfaces in a microfluidic-based lab-on-a-chip system / Chem. Eng. J 135:S82~S88
Plouffe, B.D / 2007 / Peptide-mediated selective adhesion of smooth muscle and endothelial cells in microfluidic shear flow / Langmuir 23:5050~5055
Plouffe, B.D / 2009 / Development of microfluidics as endothelial progenitor cell capture technology for cardiovascular tissue engineering and diagnostic medicine / FASEB J 23:3309~3314
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