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언어습득기 이전 청각장애인의 후두소견 및 음성학적 특성
김성태,윤태현,김상윤,최승호,남순열,Kim, Seong-Tae,Yoon, Tae-Hyun,Kim, Sang-Yoon,Choi, Seung-Ho,Nam, Soon-Yuhl 대한후두음성언어의학회 2009 대한후두음성언어의학회지 Vol.20 No.1
Background and Objectives : There are few studies reported that specifically examine the laryngeal function in patients with profound hearing loss or deafness, This study was designed to examine videostroboscopic findings and phonetic characteristics in adult patients with prelingually deaf. Materials and Method: Sixteen patients (seven males, nine females) diagnosed as prelingually deaf aged from 19 to 54 years, and were compared with a 20 normal control group with no laryngeal pathology and normal hearing group, Videostroboscopic evaluations were rated by experienced judges on various parameters describing the structure and function of the laryngeal mechanism during comfortable pitch and loudness phonations. Acoustic analysis test were done, and a nasalance test performed to measure rabbit, baby, and mother passage. CSL were measured to determine the first and two formant frequencies of vowels /a/, /i/, /u/, Statistical analysis was done using Mann-Whitney U or Wilcoxon signed ranks test. Results: Videostroboscopic findings showed phase symmetry but significantly more occurrences decrement in the amplitude of vibration, mucosal wave, irregularity of the vibration and increased glottal gap size during the closed phase of phonation, In addition, group of prelingually deaf patients were observed to have significantly more occurrences of abnormal supraglottic activities during phonation. The percentage of shimmer in the group of prelingually deaf patients were higher than in the control group. Characteristics of vowels were lower of the second formant of the vowel /i/. Nasalance in prelingually deaf patients showed normal nasality for all passages, Conclusion: Prelingually deaf patients show stroboscopic abnormal findings without any mucosal lesion, suggesting that they have considerable functional voice disorder. We suggest that prelingually deaf adults should perform vocal training for normalized laryngeal function after cochlear implantation.
21가지 장미꽃 품종의 페놀성 화합물 함량 및 항산화 활성
조연재(Yeon Jae Jo),서정현(Jeong Hyun Seo),홍채영(Chae Young Hong),김성태(Seung Tae Kim),최은경(Ehn-Kyoung Choi),김윤배(Yun-Bae Kim),이준수(Junsoo Lee),정헌상(Heon Sang Jeong) 한국식품영양과학회 2021 한국식품영양과학회지 Vol.50 No.4
본 연구는 21품종의 장미꽃에 대한 식품 및 화장품 원료로 사용 가능성을 살펴보기 위해 페놀성 화합물과 항산화 활성을 평가하였다. 총 폴리페놀, 총 플라보노이드 및 타닌 함량은 러버샤이 품종에서 각각 379.70 mg GAE/extract g, 50.10 mg CE/extract g 및 339.44 mg TAE/extract g으로 높게 나타났으며, 칠백리 품종에서 각각 107.25 mg GAE/extract g, 9.46 mg CE/extract g 및 36.31 mg TAE/extract g으로 낮았다. 페놀산 함량은 총 폴리페놀 함량과 유사한 결과를 보였으며, 러버샤이 품종에서 27.40 mg/extract g으로 높았다. 안토시아닌은 대부분 cyanidin-3,5-diglucoside로 확인되었으며 총 안토시아닌 함량은 유니나 품종에서 8.80 mg/extract g으로 가장 높았다. ABTS 및 DPPH 라디칼 소거 활성은 각각 428.10 및 419.59 mg AAE/extract g로 러버샤이 품종에서 가장 높았으며, 항산화 활성과 페놀 화합물의 함량과 높은 양의 상관관계를 보였다. 이러한 결과는 러버샤이와 같은 항산화 활성이 뛰어난 품종들이 관상 목적뿐만 아니라 높은 기능성을 가진 식품 및 화장품의 원료로 사용 가능성이 있다고 판단된다. This study evaluated the functional components and antioxidant activities of 21 different rose flower extracts, to confirm their value as a food and cosmetics ingredient. The highest values of total polyphenol, flavonoid and tannin contents (379.70±1.64 mg GAE/extract g, 50.10±0.76 mg CE/extract g, and 339.44±1.20 mg TAE/extract g, respectively) were obtained in Lover Shy. The proanthocyanidin content ranged from 61.88 mg CE/extract g in the Unina cultivar to 5.34±0.13 mg CE/extract g in the Aileen cultivar. The phenolic acid content obtained was highest in the Lover Shy cultivar (27.40±0.26 mg/extract g), whereas highest levels of anthocyanin (8.83±0.03 mg/extract g) were obtained in the Unina cultivar. High ABTS and DPPH radical scavenging activities were determined in the Lover Shy cultivar (428.10±0.29 and 419.59±3.12 mg AAE/extract g, respectively). Taken together, these results indicate that the antioxidant activity and functional components of Lover Shy cultivar are superior, and this extract can potentially be applied as a food and cosmetic ingredient.
알레르기성 비염 환자들의 음향음성학적 특성 및 음성장애지수
김성태,최승호,노종렬,이봉재,심미란,김상윤,남순열,Kim, Seong-Tae,Choi, Seung-Ho,Roh, Jong-Lyel,Lee, Bong-Jae,Shim, Mi-Ran,Kim, Sang-Yoon,Nam, Soon-Yuhl 대한후두음성언어의학회 2007 대한후두음성언어의학회지 Vol.18 No.1
Background and Objectives: There are few studies reported that specifically examine the phonetic characteristics and voice handicap index (VHI) in patients with Allergic Rhinitis. This study was designed to examine phonetic characteristics and VHI in adult patients with allergic rhinitis. Materials and Methods: Forty-two male patients diagnosed as allergic rhinitis were given skin-prick test and others, aged from 20 to 56 years, and were compared with a 16 male control group with no pathology and in the same age group. The VHI was used to measure the changes of patient's perception. Acoustic and aerodynamic analysis test were done, and a nasalance test performed to measure rabbit, baby, and mother passage. Acoustic rhionometry (AR) was performed to evaluate nasal volume and nasal crosssectional area. Statistical analysis was done using independent sample t-test. Results: VHI showed significantly different score in the studied group, higher than that of control group. AR graph showed that there was no significant differences of nasal volume and nasal cross-sectional area. The Shimmer and SFF value in the group of allergic patients were higher than in the control group. MPT value in the group of allergic patients was lower than in the control group. Nasalance in allergic patients showed hypernasality all passage. Conclusion: We suggest that patients with allergic rhinitis have considerable voice problems. Most of them have hypernasality, which may be a compensatory mechanism by nasal obstruction.
흰가루병에 강한 분홍색 장미 ‘Smoothy’ 품종 육성
김성태(Seung-Tae Kim),김원희(Won-Hee Kim),김영진(Young-Jin Kim),이은경(Eun-Kyung Lee),박필만(Pil-Man Park),허건양(Kun-Yang Huh) 한국원예학회 2008 한국원예학회 학술발표요지 Vol.2008 No.12
2002년도에 흰가루병에 강하며 분홍색 스탠다드장미 ‘Lyvia’를 모본으로, 다수성이며 선명한 적색 ‘Sioux’를 부본으로 인공 교배하여 2003~2004년에 41개체의 실생을 획득하였다. 이들을 대상으로 2005~2007년까지 3차에 거쳐 특성검정을 실시한 후 최종 선발 된 ‘원교 D1-1001’을 2007년 농작물 직무육성 신품종 선정위원회를 거쳐 ‘Smoothy’로 명명하였다. ‘Smoothy’의 화색은 분홍색으로 RHS 칼라챠트번호 29C로 나타나며, 흰가루병에 대하여 저항성인 특징을 가지고 있다. 꽃잎수는 26.6개이며 화폭은 8.6㎝로 ‘Moon light’ 보다 약간 작다. 10a 당 년간 절화수량은 202.6본이며 절화장은 70.6㎝ 절화경경은 6.7㎜였고 절화수명은 14.6일 정도를 나타내었다. A new standard rose cultivar ‘Smoothy’ was bred from the cross between pink standard cultivar ‘Lyvia’ and red standard cultivar ‘Sioux’ at the National Horticulture Research Institute. The cross was made in 2002 and ‘Smoothy’ was finally selected in 2007 after investigating characteristics for three years from 2005 to 2007. ‘Smoothy’, a light pink standard cultivar grows vigorously and has powder mildew (Sphaerotheca pannosa var. rosae) resistance. The major characteristics of this cultivar are 202.6 stems/㎡/year in yield, 70.6 ㎝ in length of cut flower, 8.6 ㎝ in flower diameter, 26.6 in petal number, and 14.6 days in vase life. This cultivar can be propagated by both cutting and grafting. The consumer’s preference for this cultivar is relatively higher than that of control cultivar, ‘Moon light’.