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Slide Session : OS-END-38 ; Endocrinology : Awareness of Vitamin D Defi ciency Among Medical Doctors
( Yan Qin ),( Kok Seng Wong ),( Haresh Tulsidas ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: Vitamin D deficiency is a well-known under-diagnosed condition that is seeing a growing prevalence globally. It can lead to osteomalacia with diffuse bone and joint pain, muscle weakness, and difficulty walking. It is also associated with osteoporosis, increased risk of falls and fractures with little or no trauma especially among elderly. However it is not cost effective to screen everyone without adequate sun exposure for vitamin D deficiency. We conducted a study to determine the awareness of vitamin D deficiency among medical doctors. Methods: A cross-sectional survey using a piloted questionnaire was conducted among medical doctors in Internal Medicine department in our institution. It consisted of 5 questions: laboratory definition and symptoms of vitamin D deficiency, prevalence of vitamin D deficiency among adult Singaporeans, recommended daily vitamin D doses for adults who do not have adequate sun exposure and advice to patients on the sources of vitamin D acquisition. Results: A total of 59 (52.2% of 113 doctors of the department) doctors comprising 9 consultants, 5 registrars and 45 residents/medical officers/house officers responded. 47% (28) of doctors were aware of the laboratory definition of vitamin D deficiency, 63% (37) and 68% (40) were familiar with symptoms and prevalence respectively, majority 92% (54) would advise patients to acquire adequate vitamin D through sunlight, diet and dietary supplements. However, only 25% (15) were aware of the recommended daily dose. Conclusions: The awareness of vitamin D deficiency among Internal Medicine doctors who are the major medical care providers to Geriatric patients in our institution remained suboptimal. Periodic education through case studies or literature review of such topic especially to junior doctors is necessary. We believe that recognizing and treating vitamin D deficiency especially among elderly will have a great impact on healthcare policy decision and resource utilization.
Yan Qin,신정아,이기택 한국식품과학회 2020 Food Science and Biotechnology Vol.29 No.3
In this study, a headspace gas chromatography (HS-GC) method was carried out to determine the contents of acetaldehyde, methanol and fusel oils in distilled liquors and sake`s from different countries. A DB-Wax column was adopted in HS-GC, which showed good linearity, high precision and accuracy and low LOQ and LOD on all the compounds. Results showed that distilled liquors contained higher levels of acetaldehyde with the values of 12.88–35.53 mg/L than sake`s (0.83–29.13 mg/L). Methanol was only detected in a few distilled liquors with small amounts. Amyl alcohols, including isoamyl alcohol (2- methyl-1-butanol) and active amyl alcohol (3-methyl-1- butanol), isobutanol (2-methyl-1-propanol) and 1-propanol were the main fusel oils among the distilled liquors and sake`s analyzed. Amyl alcohols contents were 2 to 4 times higher in Korean distilled liquors (203.01–428.66 mg/L) than that in Chinese distilled liquors (28.52–42.77 mg/L) and all the sake`s (61.90–166.59 mg/L).
MULTIPLICITY OF SOLUTIONS FOR QUASILINEAR ELLIPTIC EQUATIONS WITH CRITICAL EXPONENTIAL GROWTH
Yanqin Fang,Jihui Zhang 한국전산응용수학회 2011 Journal of applied mathematics & informatics Vol.29 No.5
In this paper we consider a system of N-Laplacian elliptic equations with critical exponential growth. The existence and multiplicity results of solutions are obtained by a limit index method and Trudinger-Moser inequality.