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Doo Chull Shin,In Youl Baek,Sung Taeg Kang,Myoung Gun Choung,Won Young Han,Su Dong Kim,Huhn Pal Moon 한국육종학회 2002 한국육종학회지 Vol.34 No.2
A new sprouting soybean variety, 'Sorogkong'was developed at the National Yeongnam Agricultural Experiment Station in 2001. It was selected from a cross Pureunkong/Namhaekong. The preliminary, advanced, and regional yield trials for evaluation and selecti
Genetic Analysis of Pod Dehiscence in Soybean
Sung Taeg Kang,Hyeun Kyeung Kim,In Youl Baek,Moung Gun Chung,Won Young Han,Doo Chull Shin,Suk-Ha Lee 韓國作物學會 2005 Korean journal of crop science Vol.50 No.4
Pod dehiscence (PD), defined as the opening of pods along both the dorsal and ventral sutures, causes the seed to shatter in the field before harvesting and results in loss of seed yields. However, breeding for resistance to PD is difficult due to the complicated genetic behavior and environmental interaction. The objective of the present research was to analyze the genetic behavior of PD for improving the breeding efficiency of resistance to PD in soybean. PD after oven-drying the sampled pod at 40~circC for 24 hours was the most reliable to predict the degree of PD tested in the field. Keunolkong, a dehiscent parent, was crossed with non-dehiscent parents, Sinpaldalkong and Iksan 10. Using their F1~;and~;F2 seeds, PD was measured after oven drying the pod at 40~circC for 24 hours. The gene conferring PD behaved in different manners depending on the genetic populations. In the Keunolkong~times Sinpaldalkong population, PD seemed to be governed by single major recessive gene and minor genes, while several genes were probably involved in the resistance to pod dehiscence in the Keunolkong~times Iksan 10 population. Heritability for PD estimated in F2 population showed over 90~% in the two populations. High heritability of PD indicated that selection for resistance to PD should be effective in a breeding program. In addition, genetic mapping of quantitative locus (QTL) for PD in both populations may reveal that genes conferring PD are population-specific
Shin, Jungwoo,Ryu, Won-Hee,Park, Kyu-Sung,Kim, Il-Doo American Chemical Society 2013 ACS NANO Vol.7 No.8
<P>Two distinctive one-dimensional (1-D) carbon nanofibers (CNFs) encapsulating irregularly and homogeneously segregated SnCo nanoparticles were synthesized <I>via</I> electrospinning of polyvinylpyrrolidone (PVP) and polyacrylonitrile (PAN) polymers containing Sn–Co acetate precursors and subsequent calcination in reducing atmosphere. CNFs synthesized with PVP, which undergoes structural degradation of the polymer during carbonization processes, exhibited irregular segregation of heterogeneous alloy particles composed of SnCo, Co<SUB>3</SUB>Sn<SUB>2</SUB>, and SnO with a size distribution of 30–100 nm. Large and exposed multiphase SnCo particles in PVP-driven amorphous CNFs (SnCo/PVP-CNFs) kept decomposing liquid electrolyte and were partly detached from CNFs during cycling, leading to a capacity fading at the earlier cycles. The closer study of solid electrolyte interphase (SEI) layers formed on the CNFs reveals that the gradual growth of fiber radius due to continuous increment of SEI layer thickness led to capacity fading. In contrast, SnCo particles in PAN-driven CNFs (SnCo/PAN-CNFs) showed dramatically reduced crystallite sizes (<10 nm) of single phase SnCo nanoparticles which were entirely embedded in dense, semicrystalline, and highly conducting 1-D carbon matrix. The growth of SEI layer was limited and saturated during cycling. As a result, SnCo/PAN-CNFs showed much improved cyclability (97.9% capacity retention) and lower SEI layer thickness (86 nm) after 100 cycles compared to SnCo/PVP-CNFs (capacity retention, 71.9%; SEI layer thickness, 593 nm). This work verifies that the thermal behavior of carbon precursor is highly responsible for the growth mechanism of SEI layer accompanied with particles detachment and cyclability of alloy particle embedded CNFs.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2013/ancac3.2013.7.issue-8/nn403003b/production/images/medium/nn-2013-03003b_0010.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn403003b'>ACS Electronic Supporting Info</A></P>
A New Edible Pod Kidney Bean Cultivar, "Noghyeob 1" with Green Pod Color
Doo Chull Shin,Sung Taek Kang,Won Young Han,In Youl Baek,Myoung Gun Choung,Keum Yong Park,Seong Hyu Shin,Young Hyun Hwang,Jong Min Ko,Duck Yong Suh,Ho Yeong Kim 한국육종학회 2007 한국육종학회지 Vol.39 No.3
A new kidney bean cultivar, “Noghyeob 1” was developed at the Yeongnam Agricultural Research Institute (YARI) in 2005. “Noghyeob 1” was selected from a cross between KLG50074 and KLG50063. It has determinate growth habit, white flower, green pod color, oval shape of crossed section of pod at the harvesting time for edible pod, white seed coat and middle seed size (21.1 grams per 100 seeds). The average yield of edible pod of “Noghyeob 1” was 24.25 M/T per hectare in the yield trials which were carried out at the green house in spring and autumn in 2005. It was 7 percent higher than that of the check cultivar “Kangnangkong 1”.
Analysis of changes in dose distribution due to respiration during IMRT
Shin, Jung-Suk,Shin, Eun-Hyuk,Han, Young-Yih,Ju, Sang-Gyu,Kim, Jin-Sung,Ahn, Sung-Hwan,Kim, Tae-Gyu,Jeong, Bae-Kwon,Park, Hee-Chul,Ahn, Young-Chan,Choi, Doo-Ho The Korean Society for Radiation Oncology 2011 Radiation Oncology Journal Vol.29 No.3
Purpose: Intensity modulated radiation therapy (IMRT) is a high precision therapy technique that can achieve a conformal dose distribution on a given target. However, organ motion induced by respiration can result in significant dosimetric error. Therefore, this study explores the dosimetric error that result from various patterns of respiration. Materials and Methods: Experiments were designed to deliver a treatment plan made for a real patient to an in-house developed motion phantom. The motion pattern; the amplitude and period as well as inhale-exhale period, could be controlled by in-house developed software. Dose distribution was measured using EDR2 film and analysis was performed by RIT113 software. Three respiratory patterns were generated for the purpose of this study; first the 'even inhale-exhale pattern', second the slightly long exhale pattern (0.35 seconds longer than inhale period) named 'general signal pattern', and third a 'long exhale pattern' (0.7 seconds longer than inhale period). One dimensional dose profile comparisons and gamma index analysis on 2 dimensions were performed. Results: In one-dimensional dose profile comparisons, 5% in the target and 30% dose difference at the boundary were observed in the long exhale pattern. The center of high dose region in the profile was shifted 1 mm to inhale (caudal) direction for the 'even inhale-exhale pattern', 2 mm and 5 mm shifts to exhale (cranial) direction were observed for 'slightly long exhale pattern' and 'long exhale pattern', respectively. The areas of gamma index >1 were 11.88 %, 15.11%, and 24.33% for 'even inhale-exhale pattern', 'general pattern', and 'long exhale pattern', respectively. The long exhale pattern showed largest errors. Conclusion: To reduce the dosimetric error due to respiratory motions, controlling patient's breathing to be closer to even inhaleexhale period is helpful with minimizing the motion amplitude.
Various Metallic Nano-Sized Patterns Fabricated Using an Ag Ink Printing Technique
Sang-Chul Oh,Ki-Yeon Yang,변경재,Ju-Hyeon Shin,Yang-Doo Kim,Lee-Mi Do,Kyung-Woo Choi,이헌 대한금속·재료학회 2012 ELECTRONIC MATERIALS LETTERS Vol.8 No.5
This paper presents a new simple metal patterning technique, which is based on soft nanoimprint lithography. By using this method with a commercial Ag nano particle ink, a nano-sized metal pattern was successfully fabricated. The problem of the residual layer of patterned Ag layer was minimized by controlling the concentration of the solution and the process conditions. By using this method, we could easily fabricate various patterns without reference to any shape. Furthermore, we fabricated an Ag mesh type pattern for the application of conducting transparent glass.