[Application of TMA Technology in Donors' HBV-DNA Detection].

Objective: To understand the infection of hepatitis B virus(HBV) in blood donors, and to evaluate the effectiveness and necessity of TMA technology for HBV-DNA screening in blood donors.

Methods: Using the ELISA/NAT model, routine serology test and NAT were performed in the 169 160 donors，including voluntary blood donors and some of donors returned to donor team. For some donors with test positive NAT, nucleic acid identification test was performed.

[Analysis of Iron Stores in the Plateletpheresis Donors].

Objective: To understand the iron stores of the plateletpheresis donors, so as to provide some new experimental data for further exploration and more perfect health examination criteria of the plateletpheresis donors.

Methods: A total of 297 plateletheresis donors conformed to standard in October 2018 were selected by the cross sectional study. The related factors affecting iron stores were analyzed; the effect of plateletpheresis times of donation on the levels of the hemoglobin(Hb) and serum ferritin(SF) as well as the iron deficency rate in the blood donors was also analyzed; the iron stores in the blood donors was evaluated.

[Discovery of a novel A2 allel in ABO blood group system and investigation of its distribution in Han population of Chinese Fujian province].

This study was aimed to investigate the distribution of A2 subgroup in Han Population of Chinese Fujian province and its molecular mechanisms. One individual with serologic ABO blood grouping discrepancy was identified with commercially available monoclonal and polyclonal antibodies and lectin: anti-A, anti-B, anti-AB, anti-A1, and anti-H reagents according to the routine laboratory methods. DNA sequences of exon 6, 7 and intron 6 of ABO gene were analyzed by polymerase chain reaction using genomic DNA and direct DNA sequencing or sequencing after gene cloning.