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. 2019 Sep 9;137:103741. doi: 10.1016/j.micpath.2019.103741

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© 2019 Published by Elsevier Ltd.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Fig. 2 — SDS-PAGE result of extracted IgY and purified IgY. Crude anti-trCWP IgY extracted by PEG precipitation from egg yolks and anti-trCWP IgY purified by ammonium sulfate precipitation were subjected to SDS-PAGE with a 10% separation gel. Lane M: Molecular weight markers; Lane 1: Crude anti-trCWP IgY; Lane 2: Purified anti-trCWP IgY.