The appropriate procedure for obtaining a nasopharyngeal swab specimen, as shown in the video by Marty et al. (published on April 17 at NEJM.org), 1 is of paramount importance. Proper collection ...

Figure 1: Two proposed valence and conduction band alignment mechanisms for the anatase/rutile interface. To understand the band alignment of anatase and rutile TiO 2, we have carried out three ...