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꽃꽂이시 절화조합이 장미의 절화수명과 미생물 증식에 미치는 영향
박윤점,정주연,장홍기,허북구 한국화훼연구회 2001 화훼연구 Vol.9 No.2
Various combinations of cut rose and other cut flowers were accomplished to provide basic data for vase life extension of cut rose. The vase life of cut rose combined with other cut flowers was as follows ;rose (8 days) > rose + gladiolus (6 days) > rose + calla (4 days) > rose + chrysanthemum (4 days) > rose + carnation (3 days) > rose + gerbera (2 days). The vase solution of cut rose without other cut flowers had the lowest concentration (1.2×105 CFU/mL) of bacterial cells. On the other hand, The vase solution of cut rose with gerbera had the highest concentration (9.3×106 CFU/mL) of bacterial cells. From the above results, it is concluded that vase life of cut rose is extended by reducing the bacterial cells in the vase solution though the proper combination with effective cut flowers.
박윤점,이일병,정주연,장흥기,허북구 한국식물인간환경학회 2001 인간식물환경학회지 Vol.4 No.1
This study was surveyed to know utilization of the in graveyard the military and the police(MP), the catholic graveyard(CG) and graveyard of mausoleum(GM). The items of investigation were the ratio, kinds of flower, color of cut flower and form of offering a bunch of flowers. The time of investigation were New Year's day, Chusok(the korean thanksgiving day) and a weekday. On a week day, the ratio of offering a bunch of flowers was 6.3 perrcent in GM. CG and GM were 2 and 6 percent, respectively, On Chusok MP was 9 percent, CG was 25 percent and GM was 55.9 percent. On New Year's Day MP was 17.9 percent, CG was 43.3 percent and GM was 49.8 percent. Except for GM, when we compared the chusok with a week day, they were offered 12-24 times. Of the kinds of cut flower offered a bunch of flowers, chrysanthemum was 60 percent or more without regard to MP, CG and GM. About color of cut flower, white was 39.2 percent or more and yellow was 8.8 percent or more. Most of used colors were white and yellow. And they were 48 percent or more. That of on a week day was low remarkably. The form of offered flower on a graveyard were various: a flower, a basket of flower, a potflower, a flower in a case of glass, and a flower in a vase. Of that, a bunch of flowers were 33 percent or more in GC, MP and CG. KEY WORDS : flower, graveyard, new year's day, chusok, chrysanthemum
HONG, WAN GI,CHO, JEONG HYUN,HWANG, SANG-GU,LEE, EUNAH,LEE, JAESEOK,KIM, JONG-IL,UM, HONG-DUCK,PARK, JONG KUK Lychnia 2016 International journal of oncology Vol.48 No.6
<P>Podophyllotoxin acetate (PA) acts as a radiosensitizer against non-small cell lung cancer (NSCLC) <I>in vitro</I> and <I>in vivo</I>. In this study, we examined its potential role as a chemosensitizer in conjunction with the topoisomerase inhibitors etoposide (Eto) and camptothecin (Cpt). The effects of combinations of PA and Eto/Cpt were examined with CompuSyn software in two NSCLC cell lines, A549 and NCI-H1299. Combination index (CI) values indicated synergistic effects of PA and the topoisomerase inhibitors. The intracellular mechanism underlying synergism was further determined using propidium iodide uptake, immunoblotting and electrophoretic mobility shift assay (EMSA). Combination of PA with Eto/Cpt promoted disruption of the dynamics of actin filaments, leading to subsequent enhancement of apoptotic cell death via induction of caspase-3, -8, and -9, accompanied by increased phosphorylation of p38. Conversely, suppression of p38 phosphorylation blocked the apoptotic effect of the drug combinations. Notably, CREB-1, a transcription factor, was constitutively activated in both cell types, and synergistically inhibited upon combination treatment. Our results collectively indicate that PA functions as a chemosensitizer by enhancing apoptosis through activation of the p38/caspase axis and suppression of CREB-1.</P>
배지의 혼합비율과 관비 양액 농도가 토마토 플러그묘의 생장에 미치는 영향
김홍기(Hong Gi Kim),조자용(Ja Yong Cho),유성오(Sung Oh Yu),양승렬(Seung Yul Yang),강종구(Jong Gu Kamg),허북구(Buk Gu Heo) (사)한국생물환경조절학회 2007 생물환경조절학회지 Vol.16 No.2
피트모스를 기본으로 한 3종의 혼합 고형배지의 물리화학적 특성 분석과 3종의 배지 및 양액농도(EC 0.5~1.5 dSㆍm?¹)가 토마토(일광 토마토) 플러그묘의 초기생장(파종 후 31일째)에 미치는 영향을 조사하였다 혼합배지의 물리화학적 특성은 피트모스의 혼입비율이 많아질수록 보수력이 증가하였고, 공극율은 모든 혼합배지 처리에서 80% 이상이었다. pH와 EC는 피트모스의 혼입비율이 많을수록 pH는 낮아졌고, EC는 전반적으로 3.6~4.8 dSㆍm?¹ 정도의 범위로 비교적 높게 나타났다. 양질의 토마토 플러그묘 생산에 가장 좋았던 혼합배지는 피트모스:왕겨:훈탄:부숙톱밥:펄라이트=25:10:25:20:20 (v/v)였다. 관비 양액농도(EC)는 대조구(수돗물, EC 1 dSㆍm?¹)에 비해 관비 양액농도(EC 0.5, 1.0, 1.5 dSㆍm?¹)가 높아질수록 초장, 엽면적 및 총건물 생산량 등이 현저히 높아졌다. This study was conducted to clarify the effects of the different mixing ratios of substrate mixtures based on peat moss and the concentration of nutrient solution on the growth of tomato (Lycopersicon esculentum Mill.) seedlings. Substrates such as peat moss, rice hull, carbonized rice hull, decomposed sawdust, perlite and granular rock wool were mixed and used. The concentration of nutrient solution were adjusted to EC 0.5 ~ 1.5 mS/㎝. The volumetric moisture contents became higher as peat moss mixed were much more. Total porosities in all substrate mixtures were over 80%, and pH in substrate mixtures became lower as the volume of peat moss mixed higher. Mixing ratios of substrates suitable for the production of tomato seedlings with the higher quality were peat moss:rice hull:carbonized rice hull:decomposed sawdust:perlite = 25:10:25:20:20 (v/v). The plant growth was not significant among the different substrate mixtures. However, plant growth such as plant height, leaf area, and total dry weight became significantly increased as EC increasing.
장홍기(Hong Gi Jang),김태춘(Tae Choon Kim),박용서(Yong Seo Park),조자용(Ja Yong Cho),김춘광(Chun Kwang Kim),허북구(Buk Gu Heo),박윤점(Yun Jum Park) 한국원예학회 2004 원예과학기술지 Vol.22 No.3
Utilization of pruned pear branches as a potential natural dye was investigated. Cotton and silk fabrics were dyed with extracts from pear branches at 70℃ to 80℃. After dyeing, the fabrics exhibited red-yellow colors. The fabrics treated with air-slaked lime and sodium hydroxide as mordants showed red surface color, while fabrics treated with alum (AlK(SO₄)₂) showed yellow color. △E values decreased and L values increased with increasing of washing times. No significant difference in the values of △E, a, and b of the fabrics, when washed the dyed fabrics with solutions ranged from pH 4 to 10, were observed. The fabrics exhibited high resistance to the laundry. Resistances of fabrics to sunlight showed significant difference in △E, a and b values of the dyed fabrics (P<0.5) as influenced by sunlight treatment and mordants.