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Jun Takeda,Satoru Takeda 대한산부인과학회 2019 Obstetrics & Gynecology Science Vol.62 No.5
Placental abruption is a condition that should be carefully considered in perinatal management because it is associatedwith serious events in both the mother and neonate, such as intrauterine fetal death, cerebral palsy, obstetric criticalbleeding, and uncontrollable bleeding. The concomitant presence of disseminated intravascular coagulation (DIC)more easily causes critical bleeding that may necessitate hysterectomy or multi-organ failure resulting in maternaldeath. Therefore, early management should be provided to prevent progression to serious conditions by performingboth hemostatic procedures and DIC treatment. To take measures to improve the outcomes in both the mother andneonate, health guidance for pregnant women, early diagnosis, early treatment, development of the emergency caresystem, and provision of a system for transport to higher-level medical institutions should be implemented.
Azabuckybowl-Based Molecular Tweezers as C<sub>60</sub> and C<sub>70</sub> Receptors
Takeda, Motoki,Hiroto, Satoru,Yokoi, Hiroki,Lee, Sangsu,Kim, Dongho,Shinokubo, Hiroshi American Chemical Society 2018 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.140 No.20
<P>We designed and synthesized molecular tweezers consisting of nitrogen-embedded buckybowl subunits. The judicious choice of the covalent linkers modulated their binding strength with C<SUB>60</SUB> or C<SUB>70</SUB> in solution. Titration studies by optical and <SUP>1</SUP>H NMR analyses revealed a 1:1 composition of the resulting complexes. X-ray diffraction analysis elucidated their solid-state structures, in which two azabuckybowl units surround one fullerene molecule. The large association constants stabilize the complexes toward redox reactions and the purification process on silica-gel column chromatography. The linker enabled tuning of the cavity size for binding of fullerenes, achieving complementary fullerene hosts for C<SUB>60</SUB> and C<SUB>70</SUB>: the carbazole-bridged dimer preferentially associates with C<SUB>70</SUB> over C<SUB>60</SUB>, while the phenanthrene-bridged dimer interacts with C<SUB>60</SUB> more strongly than C<SUB>70</SUB>. Electrochemical analysis in combination with density functional theory calculations indicated the existence of intermolecular charge-transfer interactions between the buckybowl units and the fullerenes. Nonlinear optical measurements showed that the two-photon absorption cross sections of the molecular tweezers are enhanced upon association with fullerenes.</P> [FIG OMISSION]</BR>
Shinji Tanishima,Tokumitsu Mihara,Atsushi Tanida,Chikako Takeda,Masaaki Murata,Toshiaki Takahashi,Koji Yamane,Tsugutake Morishita,Yasuo Morio,Hiroyuki Ishii,Satoru Fukata,Yoshiro Nanjo,Yuki Hamamoto,T 대한척추외과학회 2019 Asian Spine Journal Vol.13 No.3
Study Design: Multicenter, prospective study. Purpose: To investigate the effects of diabetes mellitus (DM) on surgical outcomes in patients with cervical myelopathy. Overview of Literature: To date, few studies have investigated the influence of postoperative blood glucose or glycated hemoglobin (HbA1c) levels on surgical outcomes. Methods: The participants were patients who underwent surgery for the treatment of cervical spondylotic myelopathy and ossification of the posterior longitudinal ligament. The 61 cases were evaluated preoperatively and 1 year postoperatively using the Japanese Orthopaedic Association (JOA) scores and the JOA Cervical Myelopathy Evaluation Questionnaire (JOACMEQ). The study variables included fasting blood glucose and HbA1c levels measured preoperatively and at 1 week, 4 weeks, and 1 year postoperatively; the F-wave conduction velocity, latency, rate of occurrence, and M-wave latency in the ulnar and tibial nerves were measured preoperatively and at 1 year postoperatively. The patients were divided into a group without diabetes (N group, 42 patients) and a group with diabetes (DM group, 19 patients). We then assessed the associations between the surgical outcomes and each of the study variables. Results: JOA scores significantly improved in both groups; however, no significant between-group differences were found. There was no significant improvement in the JOACMEQ scores, which assessed cervical function, upper and lower limb function, and bladder function in both groups. We then subdivided the DM group into those with a good control of HbA1c after 1 year (DMG group, 12 patients) and those with HbA1c deterioration after 1 year (DMB group, seven patients), prior to comparing the surgical outcomes. The JOACMEQ scores for upper and lower limb function significantly improved in the DMG group (p<0.01). Compared with the DMB group, there were no significant increases in upper or lower limb function scores in the DMG group. Conclusions: Poor glycemic control might prevent postoperative functional recovery of the spinal cord.
( Masanori Saito ),( Motomu Honjo ),( Hayato Shindo ),( Satoru Takeda ),( Sho Murakami ),( Mitsuhiko Katahira ),( Jun-ichi Takeda ) 한국농업기계학회 2018 한국농업기계학회 학술발표논문집 Vol.23 No.1
A cultivation outline of green soybeans could not set mechanical seeding technics to have difference of mulched soil temperature at any seeding season. Especially, the early cropping type of green soybeans seeding that used mulcting method to get high emergence rate on low temperature season have been high labor load to seed by manual operation. Therefore, the purpose of this study was to develop high efficiency and precision mechanical seeding technique which have ridging and mulching same time. We developed prototype seeding machine combined with up-cut rotary, mulching seeder and the molding implement. After that, we made control device to move diching device for up and down direction. We investigated the seeding accuracy and seeding depth of the prototype seeder, and evaluated the growth and yield, respectively. As a result, it is showed that the seeding accuracy is as same as manual seeding. Although the seeding depth was shallow compared to the conventional manual seeding, it can increase seeding depth than conventional seeding. However, the measured seeding depths were shallower than the set values. This is reason why was influenced of soil compression, posture of the seeding part and covered soil after seeding. The plant length at harvest time might become longer as the seeding depth got deeper. So, we considered that it is possible to do multiple simultaneous work used up-cut ridging and mulching seeder.