版面費，一直是廣大科研人員心中的痛!尤其是近些年來，OA期刊的逐漸擴大，現在更是給大家帶來了經費上的壓力!

　　以下是MDPI最新調整：以toxics為例

　　MDPI出版社旗下期刊的OA論文處理費(APC)，將在2023年6月底進行價格上漲，超過90種OA期刊的APC漲幅在200～1200瑞士法郎(折合人民幣1560元～9300元)。

　　在MDPI出版的OA期刊中，有5種期刊處于2022年中國通迅作者發表OA論文數量排名前10的期刊：Sustainability，Remote Sensing，International Journal of Environmental Research and Public Health，International Journal of Molecular Sciences和Materials。這5種期刊的APC將增長200～400瑞士法郎。

　　期刊官網介紹如下：(來自https://www.mdpi.com/apc)

　　General Information on MDPI’s Article Processing Charges (APC)

　　MDPI publishes all its journals in full open access, meaning unlimited use and reuse of articles, in addition to giving credit to the authors. All of our articles are published under a Creative Commons (CC BY) license.

　　Authors pay a one-time Article Processing Charge (APC) to cover the costs of peer review administration and management, professional production of articles in PDF and other formats, and dissemination of published papers in various venues, in addition to other publishing functions. Please note that the option to process an advance payment remains but does not guarantee acceptance of manuscripts. There are no charges for rejected articles, no submission charges, and no surcharges based on the length of an article, figures or supplementary data. Some items (Editorials, Corrections, Addendums, Retractions, Comments, etc.) are published free of charge.

　　Here is a breakdown of how our APCs are used. In calculating these values, we have followed recommendations from the Fair Open Access Alliance, an organization that promotes sustainable and transparent scholarly open access publishing. This also makes MDPI fully compliant with the requirements of Plan S, a key funder initiative to promote Open Access.

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