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T. Abe,N. Yamane,T. Nishiguchi,H. Kozeni,T. Yoshida,M. Adachi,H. Kasada,K. Ando 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.53 No.1
A practical blue waveguide Stark-eect optical modulator using ZnSe/ZnMgSSe asymmetric cou- pled quantum wells (ACQWs) has been demonstrated. The device structure is a p-i-n diode with a 50 periods ZnSe(6 ML)/ZnMgSSe(2 ML)/ZnSe(12 ML) ACQW active region grown on an n-GaAs substrate by using molecular beam epitaxy (MBE). The ridge-shape devices are fabricated by wet- etching with a fairly-short eective modulation waveguide length of 13 m and are located under a top stripe-electrode. The waveguide modulator exhibits a high modulation depth of 95 % (contrast ratio: 13 dB) under reverse bias condition of 68 V at room temperature at an operating wavelength of 458 nm. A practical blue waveguide Stark-eect optical modulator using ZnSe/ZnMgSSe asymmetric cou- pled quantum wells (ACQWs) has been demonstrated. The device structure is a p-i-n diode with a 50 periods ZnSe(6 ML)/ZnMgSSe(2 ML)/ZnSe(12 ML) ACQW active region grown on an n-GaAs substrate by using molecular beam epitaxy (MBE). The ridge-shape devices are fabricated by wet- etching with a fairly-short eective modulation waveguide length of 13 m and are located under a top stripe-electrode. The waveguide modulator exhibits a high modulation depth of 95 % (contrast ratio: 13 dB) under reverse bias condition of 68 V at room temperature at an operating wavelength of 458 nm.
Shireen T. Saadullah,James H. Haido,Yaman S.S. Al-Kamaki Techno-Press 2023 Advances in concrete construction Vol.16 No.1
Majority of the plastic produced each year is being disposed in land after single-use, which becomes waste and takes up a lot of storage space. Therefore, there is an urgent need to find alternative solutions instead of disposal. Recycling and reusing the PET plastic waste as aggregate replacement and fiber in concrete production can be one of the eco- friendly methods as there is a great demand for concrete around the world, especially in developing countries by raising human awareness of the environment, the economy, and Carbon dioxide (CO2) emissions. Self-compacting concrete (SCC) is a key development in concrete technology that offers a number of attractive features over traditional concrete applications. Recently, in order to improve its durability and prevent such plastics from directly contacting the environment, various kinds of plastics have been added. This review article summarizes the latest evident on the performance of SCC containing recycled PET as eco-friendly aggregates and fiber. Moreover, it highlights the influence of substitution content, shape, length, and size on the fresh and properties of SCC incorporating PET plastic. Based on the findings of the articles that were reviewed for this study, it is observed that SCC made of PET plastic (PETSCC) can be employed in construction era owing to its acceptable mechanical and fresh properties. On the other hand, it is concluded that owing to the lightweight nature of plastic aggregate, Reusing PET waste in the construction application is an effective approach to reduces the earthquake risk of a building.
Kita, K.,Shibata, T.,Aman Yaman, M.,Nagao, K.,Okumura, J. Asian Australasian Association of Animal Productio 2002 Animal Bioscience Vol.15 No.12
In order to elucidate the physiological function of circulating IGF-I on muscle protein synthesis in the chicken under malnutritional conditions, we administrated recombinant chicken IGF-I using a osmotic mini pump to fasted young chickens and measured the rate of muscle protein synthesis and plasma metabolite. The pumps delivered IGF-I at the rate of $22{\mu}g/d\{300{\mu}g{\cdot}(kg\;body\;weight{\cdot}d)^{-1}\}$. Fractional rate of protein synthesis in the muscle was measured using a large dose injection of L-[$2,6-^3H$]phenylalanine. Constant infusion of chicken IGF-I did not affect plasma glucose level. Significant interaction between dietary treatment and IGF-I infusion was observed in plasma NEFA and total cholesterol concentrations. When chicks were fasted, IGF-I infusion decreased plasma NEFA and total cholesterol concentrations. On the other hand, IGF-I administration did not affect plasma levels of both metabolites. Fasting reduced plasma triglyceride concentration significantly. IGF-I infusion also decreased the level of plasma triglyceride. Plasma IGF-I concentration of young chickens was halved by fasting for 1 d. IGF-I infusion using an osmotic minipump for 1 d increased plasma IGF-I concentration in fasted chicks to the level of fed chicks. Fasting decreased body weight and the loss of body weight was significantly ameliorated by IGF-I infusion. There was a significant interaction between dietary treatment and IGF-I infusion in the fractional rate of breast muscle protein synthesis. There was no effect of IGF-I infusion on muscle protein synthesis in fed chicks. Muscle protein synthesis reduced by fasting was ameliorated by IGF-I infusion, but did not reach to the level of fed control. Muscle weight of fasted chicks infused with IGF-I was similar to fasted birds without IGF-I infusion, which suggests that muscle protein degradation would be increased by IGF-I infusion as well as protein synthesis in fasted chicks.
Kucukoner, Mehmet,Isikdogan, Abdurrahman,Yaman, Sebnem,Gumusay, Ozge,Unal, Olcun,Ulas, Arife,Elkiran, Emir T.,Kaplan, Muhammed A.,Ozdemir, Nuriye,Inal, Ali,Urakci, Zuhat,Buyukberber, Suleyman Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.8
Background: The aim of this study was to evaluate the efficacy and toxicity of long-term, low-dose oral etoposide as an advanced treatment option in patients with platinum resistant epithelial ovarian cancer. Materials and Methods: For the purposes of this study, 51 patients with histologically-confirmed, recurrent or metastatic platinum-resistant epithelial ovarian cancer (EOC) treated at six different centers between January 2006 and January 2011 were retrospectively evaluated. Patients were treated with oral etoposide (50 mg/day for a cycle of 14 days, repeated every 21 days). Results: Among the 51 platinum-resistant patients, 17.6% demonstrated a partial response and 25.5% a stable response. The median progression-free survival (PFS) was 3.9 months (95% CI, 2.1-5.7), while the median overall survival was 16.4 months (11.8.20.9). No significant relationship was observed between the pre-treatment CA 125 levels, post-treatment CA-125 levels and the treatment response rates (p=0.21). Among the 51 patients who were evaluated in terms of toxicity, grade 1 or 4 hematologic toxicity was observed in 19 (37.3%); and grade 1-4 gastrointestinal toxicity occurred in 15 patients (29.4%). Conclusions: Chronic low-dose oral etoposide treatment is generally effective and well-tolerated in platinum-resistant ovarian cancer patients.
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.