A5013335795- Food Quality and Safety Studies
- Seaweed-derived Bioactive Compounds
- Phytochemicals and Antioxidant Activities
- Attention Deficit Hyperactivity Disorder
- Meat and Animal Product Quality
- Protein Hydrolysis and Bioactive Peptides
- Natural product bioactivities and synthesis
- Nutrition, Health and Food Behavior
- Phytochemistry and Biological Activities
- Child and Adolescent Psychosocial and Emotional Development
- Financial Markets and Investment Strategies
- Psychosocial Factors Impacting Youth
- Health and Wellbeing Research
- Fungal Biology and Applications
- Food Allergy and Anaphylaxis Research
- Dermatology and Skin Diseases
- Stochastic processes and financial applications
- Polyamine Metabolism and Applications
- Microbial Metabolites in Food Biotechnology
- Pharmacological Effects of Natural Compounds
- Contact Dermatitis and Allergies
- Enzyme Production and Characterization
- Radiation Effects and Dosimetry
- Marine Sponges and Natural Products
- Diverse Approaches in Healthcare and Education Studies
Pukyong National University
2016-2025
Hanyang University
2009-2024
Center for Drug Evaluation and Research
2024
Republic of Korea Army
2023
Institute of Food Science
2012-2021
Seoul National University
2009-2020
Yonsei University
2020
Hanyang University Seoul Hospital
2006-2019
University of Ulsan
2019
Asan Medical Center
2019
Journal Article Quadratic Term Structure Models: Theory and Evidence Get access Dong-Hyun Ahn, Ahn Address correspondence to Prof. Kenan-Flagler Business School, University of North Carolina, McColl Building, Chapel Hill, NC 27599-3490, or e-mail: ahnd@bschool.unc.edu. Search for other works by this author on: Oxford Academic Google Scholar Robert F. Dittmar, Dittmar A. Ronald Gallant The Review Financial Studies, Volume 15, Issue 1, January 2002, Pages 243–288,...
Background: Idiopathic pulmonary fibrosis (IPF) carries significant mortality and unpredictable progression, with limited therapeutic options. Designing trials patient-meaningful endpoints, enhancing the reliability interpretability of results, streamlining regulatory approval process are critical importance to advancing clinical care in IPF. Methods: A landmark in-person symposium June 2023 assembled 43 participants from US internationally, including patients IPF, investigators,...
Scallop tropomyosin (TM), the major allergen of shellfish, was prepared from adductor muscles and reacted with four reducing sugars to investigate effect Maillard reaction on allergenicity TM. The IgE-binding ability TM increased significantly progress glucose, ribose, maltose, but not maltotriose. enhanced at early stage reaction, trend depended type sugar used. 2,4,6-Trinitrobenzenesulfonic acid treatment lysine residues in showed that protein surface charge resulting had no enhancement...
Antioxidant properties of brown seaweed (Sargassum siliquastrum) extracts were evaluated using various antioxidant measurements, i.e., inhibitory effect on thiobarbituric acid-reactive substances (TBARS), 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging, metal chelating effect, reducing power and total phenolic compounds. When the extraction solvents n-hexane, chloroform, ethanol, water compared, extract showed highest yield in extracted mass. Total compounds ethanol extract, with...
In this paper, we assess the profitability of momentum trading strategies using a stochastic discount factor approach. We estimate from set basis assets, assuming that law one price (or, alternatively, no-arbitrage) holds, and simultaneously risk-adjusted performance strategies. Our method has advantages need not specify (and therefore perhaps misspecify) particular parametric model to performance, can easily encompass conditional or time-varying moments. unconditional tests, some remains...
Journal Article Partial Adjustment or Stale Prices? Implications from Stock Index and Futures Return Autocorrelations Get access Dong-Hyun Ahn, Ahn University of North Carolina, Chapel Hill Address correspondence to R. Whitelaw, NYU, Stern School Business, 44 W. 4th St., Suite 9-190, New York, NY 10012-1126, e-mail: rwhitela@stern.nyu.edu. Search for other works by this author on: Oxford Academic Google Scholar Jacob Boudoukh, Boudoukh York University, IDC, NBER Matthew Richardson,...
The effect of the Maillard reaction on allergenicity squid tropomyosin (TM) was investigated. When TM reacted with ribose (TM−ribose), its human-specific IgE-binding ability decreased markedly and α-chymotryptic digestibility also altered at early stage reaction. On other hand, modification lysine residues in using 2,4,6-trinitrobenzenesulfonic acid had no TM. Therefore, structural change induced by would cause reduction allergenicity, rather than block residues. Although peptic digestion...
Objective: To (i) test whether atomoxetine is non-inferior to methylphenidate in treating symptoms of attention deficit hyperactivity disorder (ADHD) paediatric patients; and (ii) determine the tolerability two drugs. Method: This double-blind study was conducted 6- 16-year-old outpatients with ADHD (DSM-IV) China, Korea Mexico (January–October 2004). Patients were randomly assigned once-daily (0.8–1.8 mg kg −1 day ; n = 164) or twice-daily (0.2–0.6 166) for ∼8 weeks. Primary efficacy...
This paper proposes a new method of forming basis assets. We use return correlations to sort securities into portfolios and compare the inferences drawn from this set assets with those other benchmark portfolios. The proposed appears capable generating measures risk–return trade-off that are estimated lower error. In tests asset pricing models, we find returns these significantly positively related both CAPM Consumption risk measures, there significant components not captured by three-factor model.
The binomial option pricing model and the trinomial model, its more versatile relative, are invaluable tools for complex derivatives, especially those with American exercise. But while these models converge to correct values as time price step sizes go zero, certain kinds of problems getting close enough may require a very large amount calculation. cause is often non-linearity or discontinuity in payoff that occurs only small region. One example barrier monitored at discrete intervals. This...
와송의 부위별 에탄올 및 물 추출물의 항산화활성을 알아보고 열 pH 처리가 와송 항산화활성에 미치는 영향을 파악하여 식품산업에의 이용 가능성을 알아보았다. 측정한 결과, 총 페놀화합물 함량은 잎, 줄기 뿌리 순으로 높은 함량을 보였으며 rancimat에 의한 지질산화 억제능은 4 ㎎/mL 농도에서 산화안정지수가 잎 뿌리에서 1.92 2.00의 값을 보여 1.28의 보인 줄기에 비해 억제능을 보였다. DPPH 라디칼 소거능의 경우, 추출물이 0.4 92~96%의 천연항산화제인 tocopherol과 유사한 소거능을 추출물은 환원력도 나타냈다. 반면, 금속봉쇄력은 잎에서 금속봉쇄 효과를 보였으나 추출물에서는 모두 90%에 가까운 금속봉쇄력을 킬레이트제인 EDTA와 활성을 이를 통해 소거능, 가지며, 그중 특히 가장 가지는 것을 알 수 있었다. 이에 와송잎 추출물을 처리한 결과 소거능이 무처리구와 pH에 안정함을 이상의 결과를 안정하며 가져 천연항산화제로서 식품에 효과적으로 적용할...
Objectives : The purposes of this study were to develop a mental health screening questionnaire and the practical intervention programs or guidelines which can be used in middle high schools by students teachers. Methods Adolescent Mental & Problem behavior Screening Questionnaire II (AMPQ-II) was developed tested for reliability validity using nationwide data from 2,180 school 2,145 Results AMPQ-II measured both correlation coefficient test-retest test 0.567 internal consistency (Cronbach's...
Promoting mental health and preventing problems are important tasks for international organizations nations. Such goals entail the establishment of active information networks effective systems indicators to assess populations. This being said, there is a need in Korea develop ways measure state Korea.THIS PAPER REVIEWS THE MENTAL HEALTH INDICATOR DEVELOPMENT POLICIES AND PRACTICES OF SEVEN ORGANIZATIONS, COUNTRIES, REGIONS: WHO, OECD, EU, United States, Australia, UK, Scotland. Using Delphi...
The development and implementation of effective interventions to prevent falls in older adults is a public health priority. purpose this study was compare the efficacy new practice model, incorporating Shubert's evidence-based fall prevention recommendations, with usual ambulatory physical therapy (PT) at Rusk Rehabilitation, decrease risk among living community. hypotheses were (1) proposed program would participants' risk, (2) it be more than our PT, (3) addition 4 consults after discharge...