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1 May 2008 Characterization of the laser-based release of micropallets from arrays
Georgina To'a Salazar, Yuli Wang, Christopher E. Sims, Mark Bachman, Guann-pyng Li, Nancy L. Allbritton
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Journal of Biomedical Optics, Vol. 13, Issue 3, 034007 (May 2008). https://doi.org/10.1117/1.2937475
Abstract
The micropallet array system uses a pulsed laser to release pallets tens of microns to hundreds of micrometers in size from a larger array, enabling selective isolation of single cells adherent to the pallets. We characterize the laser-based release of pallets with respect to pallet array and laser parameters. The threshold laser energy required for pallet release increases linearly with the area of the pallet in contact with the underlying glass substrate. The spacing of the pallets within an array as well as the thickness or height of the pallet does not impact the energy required to release a pallet. Delivery of multiple laser pulses decreases the energy/pulse required for pallet release when the pallets were 100 µm or greater on a side. In addition to the square pallets, complex structures such as cantilevers and spirals could be released without damage using the pulsed laser. Identification of the pallet-array variables influencing the energy required for pallet release as well as strategies to minimize this energy will prove critical in optimizing the release of pallets with cells on the arrays.
©(2008) Society of Photo-Optical Instrumentation Engineers (SPIE)
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Georgina To'a Salazar, Yuli Wang, Christopher E. Sims, Mark Bachman, Guann-pyng Li, and Nancy L. Allbritton "Characterization of the laser-based release of micropallets from arrays," Journal of Biomedical Optics 13(3), 034007 (1 May 2008). https://doi.org/10.1117/1.2937475
Published: 1 May 2008
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Cited by 11 scholarly publications and 1 patent.
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KEYWORDS
Pulsed laser operation
Laser energy
Glasses
Laser damage threshold
Plasma
Laser applications
Interfaces
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