Sense of coherence on the relationship between COVID-19-related stress and sleep quality among nurses.

Aim: We aimed to examine the mediating effects of the Sense of Coherence (SOC) on the relationship between stress and sleep in nurses during the coronavirus disease 2019 (COVID-19) pandemic.

Methods: A cross-sectional survey targeting nurses in Chiba and Tokyo during the summer of 2021 was conducted using Google Forms. Responses were obtained using the Pittsburgh Sleep Quality Index (PSQI), the 13-item version of the SOC scale (SOC-13), and questions regarding COVID-19-related stress.

Characteristics of soil origin Pseudomonas batumici Koz11 isolated from a remote island in Japan.

Soil samples from a remote Japanese island (Kozushima) were processed and investigated for organisms exhibiting antimicrobial activity against pathogenic strains. A strain demonstrating antimicrobial activity against () was identified, prompting further investigation. Whole-genome sequencing was employed to identify the species and conduct phylogenetic analysis, followed by molecular analysis.

Repeated apheresis donations cause important iron deficiency in male Japanese donors.

Background And Objectives: In Japan, apheresis donation of plasma is allowed to a maximum of 24 times a year, and plateletpheresis are counted as two plasmapheresis donations. Diversion of the initial blood flow is conducted for all donations, and additionally, blood remaining in apheresis machine circuit is lost. Here, we aimed to investigate on the health impact of frequent apheresis donations, as measured by the serum ferritin (sFer).

Designing a test battery for workers' well-being: the first wave of the Tsukuba Salutogenic Occupational Cohort Study.

Background: In recent years, there has been a diversification of working styles. The concept of workers' well-being is no longer limited to material wealth, such as how satisfied they are with their wages. Psychological enrichment, encompassing factors like motivation and interpersonal relationships, is also important.

Iron deficiency among Japanese whole-blood donors measured by serum ferritin.

Background And Objectives: A more restrictive blood donation criterion has been applied in Japan, with a maximum volume of whole blood (WB) donation of 400 mL, allowing twice a year for female donors and thrice a year for male donors. However, iron deficiency was as high as 20.5% among female donors prior to donation, increasing to 37.