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Selection of new design gas carriers by using fuzzy EVAMIX method
Yazır Devran,Şahin Bekir,Yip Tsz Leung 한국해운물류학회 2021 The Asian journal of shipping and Logistics Vol.37 No.1
This paper extends the EVAMIX (EVAluation of MIXed Data) as an exemplary multi-criteria decisionmaking method in three perspectives. First,the problem is investigated in a fuzzy environment. Secondly, multiple decision-makers involve in decision-making process. It allows the moderator to benefitthe opinions of multiple experts. Third, experts are assigned a coefficient considering their professional career represented in years. In the conventional approach, the experts have assumed identical, but expert prioritization deals with the instability. The extensions applied in this study are currently available in the literature, and it is used for the first time in the EVAMIX method. This method can be applied to decisionmaking problems in any research field. A study is carried out to combine the pre-determined types of ships with reliable quantitative and qualitative criteria and create data for new investors and shipowners in the selection of ships using a novel mathematical approach. As a result of the study, preferences are modelled for candidate ships, and database and value options are presented to decision-makers, ship owners, and investors. The qualitative and quantitative data discussed in this selection process to support the decision-making process and can be designed appropriately to be used in similar selection problems. The most suitable vessel to be selected from the candidate’s vessels is carried out based on the existing criteria being evaluated; therefore, it is a reference for similar methodologies.
Development of Molecular Markers for the Mi-1 Gene in Tomato Using the KASP Genotyping Assay
Zubeyir Devran,Atilla Goknur,Lutfiye Mesci 한국원예학회 2016 Horticulture, Environment, and Biotechnology Vol.57 No.2
Tomato (Solanum lycopersicum) is an economically important vegetable worldwide. Root-knot nematodes have a wide host range and cause serious problems in areas where tomatoes are grown. Developing tomato varieties that are resistant to root-knot nematodes is an effective crop management strategy. The Mi-1 gene in tomato confers effective resistance against three common root-knot nematodes, i.e., Meloidogyne incognita, M. javanica, and M. arenaria. Nematode screening assays are commonly used in resistance breeding programs; however, they are time-consuming, laborious, and expensive. Molecular markers within, or linked to, the Mi-1 gene have enabled rapid screening of resistance alleles, without requiring nematode inoculation. Here we describe convenient markers for the Mi-1 gene locus using Kompetitive Allele-Specific PCR (KASP) genotyping chemistry. Sequences of SNP markers for resistance to root-knot nematodes on chromosome 6 were converted for usage in a KASP genotyping assay and tested. Our findings show that the KASP assay is suitable for high-throughput screening of large populations in tomato breeding.
Testicular stiffness in varicocele: evaluation with shear wave elastography
Onder Turna,Mustafa Devran Ayba 대한초음파의학회 2020 ULTRASONOGRAPHY Vol.39 No.4
Purpose: This study was conducted to evaluate the potential role of shear wave elastography (SWE) in the evaluation of testes in patients with varicocele. Methods: A total of 116 testes of 58 patients with left-sided varicocele and 58 testes of 29 age�matched healthy controls were included in the study. The patients' testes were classified into groups A (normospermic) and B (oligospermic) based on the presence of oligospermia. The mean SWE values and volume of the testes with varicocele were compared with the contralateral normal testes of the patients and the testes of healthy controls. Results: The mean SWE value of the left testes in groups A (4.77±1.16 kPa) and B (6.15±1.96 kPa) exceeded that of the healthy controls (3.79±0.94 kPa) (P<0.001). The mean SWE value of the left testes in group B (6.15±1.96 kPa) exceeded that of group A (4.77±1.16 kPa) (P=0.002). No correlation was observed between testicular stiffness and the grade of varicocele (r=0.102, P=0.423). Conclusion: The testes with varicocele were stiffer than the contralateral testes and the testes of healthy controls, and SWE might play an auxiliary role to conventional ultrasonography in assessing pathologic alterations in the testis owing to varicocele.