Dear Editor,<br />I've got urgent doc to submit and can you please review the following three sentences are ok? Pease let me know soon due to the time-sensitive due date. I'll submit a full document to you online once this is done. So please check it ASAP.<br />Thanks in advance,<br /><br />Sentence 1:<br />The presence of existing contaminants decreases bioavailability through hetero-aggregation, sorption, and/or complexation upon interaction with MNPs. Contaminants also influence the fate and transport of MNPs, and exhibits synergistic toxic effects of MNPs, contributing to the extent of toxicity.<br /><br />Phrase 1:<br />
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<li>Future research needs on toxicity modeling assessment in heterogeneous systems</li>
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<br />To check:<br /><br />.....an update on the latest development....<br />Here it should be "an" not "a" before update..., Is this right? I need to confirm this.<br /><br /><br />thanks