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Both current-induced thermal reduction of the band gap and the Franz-Keldysh effect were identified to account for the modification of the lasing profile, with the former factor playing the leading role. Furthermore, dynamical switching of NR lasing was successfully demonstrated, yielding a modulation ratio up to ∼21 dB. The electrically tuned wavelength-reversible CdS NR laser in this work, therefore, presents an important step toward color-selective coherent emitters for future chip-based nanophotonic and optoelectronic c

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The Hepatitis B surface Antigen (HBsAg) is the most utilized indicator marker of hepatitis B infection. This study assesses the accuracy of the two most common screening assays used to detect HBsAg among blood donors. A total of 350 eligible blood donors were screened for HBsAg using both Bio-Check HBsAg Rapid screening kit (BioCheck Inc, South San Francisco, USA) and a fourth-generation Enzyme-Linked Immunoassays (ELISA) kit, MonolisaTM HBs Ag Ultra (Bio-Rad Laboratories, Marnes-la-Coquette-France). Questionnaires were used to inquire ab