Masayoshi Tsuji

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SUMMARY We have developed InGaAs-based VCSELs operating around 1.1 μm for high-speed optical interconnections. By applying GaAsP barrier layers, temperature characteristics were considerably improved compared to GaAs barrier layers. As a result, 25 Gbps 100 • C error-free operation was achieved. These devices also exhibited high reliability. No degradation(More)
We report on the first case of human babesiosis in Korea. The intraerythrocytic parasite (KO1) in the patient's blood mainly appeared as paired pyriforms and ring forms; but Maltese cross forms were not seen, and the parasite showed morphological features consistent with those of the genus Babesia sensu stricto. The sequence of the 18S rRNA gene of KO1 was(More)
The present study was a cross-sectional study conducted to reveal the prevalence of metabolic syndrome and its components and describe the features of such prevalence among Japanese workers by clustered business category using big data. The data of approximately 120,000 workers were obtained from a national representative insurance organization, and the(More)
Technical Appendix Technical Appendix Figure. Map of Japan showing prefectures where rDNA genes of Babesia divergens– like parasites were detected by PCR in blood samples from sika deer (black areas). Sample identification numbers are listed under prefecture names; numbers in parentheses indicate the number of positive samples/total number tested samples. A(More)
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