Excessive screen use by preschool-age children can lead to reduced sleep quality, exacerbating problems such as poor attention, hyperactivity and unstable mood, a new study suggests. Excessive screen ...
Solvent-strength mismatch between sample diluent and initial eluent can cause ON peak splitting/distortion in RP, IP-RPLC, HILIC, AEX, SEC, and affinity formats, with heightened sensitivity versus ...
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