Abstract
Two noncontact techniques based on the use of ultrashort laser pulses are presented for assisted reproductive technologies. The first creates a unique alphanumeric code on an embryo’s envelope to simplify its identification during the period of preimplantation development. The second ensures the embryo will start to hatch at a prescribed site via laser-assisted drilling of its shell at the early blastocyst stage, where the inner cell mass and trophectoderm cells can be distinguished clearly.
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Funding
This work was supported by the Russian Foundation for Basic Research and the Government of Moscow as part of scientific project no. 19-32-70036. It was performed on the Femtosecond Laser and Terawatt Femtosecond Laser complexes at the shared resource center of the Russian Academy of Sciences’ Joint Institute for High Temperatures.
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Statement on the welfare of animals. The keeping of animals and manipulations associated with obtaining embryos were done according to the relevant standards and requirements of the Bioethics Committee of the Moscow State University’s Faculty of Biology.
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Translated by P. Kuchina
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Ilina, I.V., Khramova, Y.V., Filatov, M.A. et al. New Techniques Based on Ultrashort Laser Microsurgery for Use in Assisted Reproductive Technologies. Bull. Russ. Acad. Sci. Phys. 84, 1375–1379 (2020). https://doi.org/10.3103/S106287382011012X
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DOI: https://doi.org/10.3103/S106287382011012X