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Improvement in the Super Low Core-loss Soft Magnetic Materials
Maeda Toru,Sato Atsushi,Mochida Yasushi,Toyoda Haruhisa,Mimura Koji,Nishioka Takao 한국분말야금학회 2006 한국분말야금학회 학술대회논문집 Vol.2006 No.1
We reported a P/M soft magnetic material with core loss value of , which is lower than that of 0.35mm-thick laminated material, by using high purity gas-atomized iron powder. Lack of mechanical strength and high cost of powder production are significant issues for industrial use. In order to achieve both low core loss and high strength by using inexpencive powder, the improvement of powder shape and surface morphology and binder strength was conducted. As the result, the material based on water-atomized powder with 80 MPa of TRS and 108 W/kg of core loss (W10/1k) was achieved.
Kazuya Kariyama,Kazuhiro Nouso,Atsushi Hiraoka,Hidenori Toyoda,Toshifumi Tada,Kunihiko Tsuji,Toru Ishikawa,Takeshi Hatanaka,Ei Itobayashi,Koichi Takaguchi,Akemi Tsutsui,Atsushi Naganuma,Satoshi Yasuda 대한간암학회 2024 대한간암학회지 Vol.24 No.1
Background/Aim: The aim of this study was to compare the therapeutic efficacy of ablation and surgery in solitary hepatocellular carcinoma (HCC) measuring ≤5 cm with a large HCC cohort database. Methods: The study included consecutive 2,067 patients with solitary HCC who were treated with either ablation (n=1,248) or surgery (n=819). Th e patients were divided into three groups based on the tumor size and compared the outcomes of the two therapies using propensity score matching. Results: No significant difference in recurrence-free survival (RFS) or overall survival (OS) was found between surgery and ablation groups for tumors measuring ≤2 cm or >2 cm but ≤3 cm. For tumors measuring >3 cm but ≤5 cm, RFS was significantly better with surgery than with ablation (3.6 and 2.0 years, respectively, P=0.0297). However, no significant difference in OS was found between surgery and ablation in this group (6.7 and 6.0 years, respectively, P=0.668). Conclusion: The study suggests that surgery and ablation can be equally used as a treatment for solitary HCC no more than 3 cm in diameter. For HCCs measuring 3-5 cm, the OS was not different between therapies; thus, ablation and less invasive therapy can be considered a treatment option; however, special caution should be taken to prevent recurrence.
Genome Analysis of the Domestic Dog (Korean Jindo) by Massively Parallel Sequencing
Kim, Ryong Nam,Kim, Dae-Soo,Choi, Sang-Haeng,Yoon, Byoung-Ha,Kang, Aram,Nam, Seong-Hyeuk,Kim, Dong-Wook,Kim, Jong-Joo,Ha, Ji-Hong,Toyoda, Atsushi,Fujiyama, Asao,Kim, Aeri,Kim, Min-Young,Park, Kun-Hyan Oxford University Press 2012 DNA research Vol.19 No.3
<P>Although pioneering sequencing projects have shed light on the boxer and poodle genomes, a number of challenges need to be met before the sequencing and annotation of the dog genome can be considered complete. Here, we present the DNA sequence of the Jindo dog genome, sequenced to 45-fold average coverage using Illumina massively parallel sequencing technology. A comparison of the sequence to the reference boxer genome led to the identification of 4 675 437 single nucleotide polymorphisms (SNPs, including 3 346 058 novel SNPs), 71 642 indels and 8131 structural variations. Of these, 339 non-synonymous SNPs and 3 indels are located within coding sequences (CDS). In particular, 3 non-synonymous SNPs and a 26-bp deletion occur in the <I>TCOF1</I> locus, implying that the difference observed in cranial facial morphology between Jindo and boxer dogs might be influenced by those variations. Through the annotation of the Jindo olfactory receptor gene family, we found 2 unique olfactory receptor genes and 236 olfactory receptor genes harbouring non-synonymous homozygous SNPs that are likely to affect smelling capability. In addition, we determined the DNA sequence of the Jindo dog mitochondrial genome and identified Jindo dog-specific mtDNA genotypes. This Jindo genome data upgrade our understanding of dog genomic architecture and will be a very valuable resource for investigating not only dog genetics and genomics but also human and dog disease genetics and comparative genomics.</P>