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이종철,유명희,윤휘중,신영태,정순일,조보연,이문호,이명철 대한핵의학회 1981 핵의학 분자영상 Vol.15 No.1
To evaluate the diagnostic accuracy of the measurement of free thyroxine(FT4) by radioimmunoassay, we measured free T4 and T4, T3, T3RU, TSH and TBG serum levels by radioimmunoassay in 18 healthy persons and 52 patients with various thyroid diseases and 11 normal pregnant women. The results are as follows. 1) In 19 cases of overt hyperthyroidism, T3, free T4 and FTI, T4/TBG ratio reflect hyperfunction in all cases. T4 is increased in 94%(18/19) and TBG and TSH are decreased in 79%(15/19). 2) In 8 patients with overt hypothyroidism, TSH is increased in all cases and free T4 and FTI is decreased in all cases. T4 is decreased in 87.5%(7/8), T3 is decreased in 75%(6/8) and T4/TBG ratio is decreased in 62.5%(5/8). 3) In 5 patients who are clinically in euthyroid state after treatment of hyperthyroidism, T4 free T4, FTI and TSH are in the normal range in all cases and T3 is normal in 60%(3/5) and slightly increased in 40%(2/5). 4) In 10 patients who showed clinically borderline hypothyroidism after treatment of hyperthyroidism, TSH is increased in all cases and free T4 and FTI are decreased in all cases, but T4 and T3, T4/TBG ratio are in the normal limit in all cases. So after treatment of hyperthyroidism, TSH, free T4 or FTI are recommended as optimal function test. 5) In normal pregnancy, free T4, FTI and T4/TBG ratio reflect normal function, but the other parameters unreliable due to the influence of increased TBG. Also TBG and TSH level in pregnancy is increased significantly compared with normal healthy control group. 6) The coefficients of correlation between T4 and FTI were 0.862(p〈0.001) and 0.685(p〈0.001) between free T4 and T4/TBG ratio. In most patients, diagnostic value of free T4 was comparable and even superior to FTI, so free T4 measurement can be used routinely with thyrotropin assay in the diagnosis of hypothyrodism or with T3 for the diagnosis of hyperthyroidism.
J-PLUS: Identification of low-metallicity stars with artificial neural networks using SPHINX
Whitten, D. D.,Placco, V. M.,Beers, T. C.,Chies-Santos, A. L.,Bonatto, C.,Varela, J.,Cristó,bal-Hornillos, D.,Ederoclite, A.,Masseron, T.,Lee, Y. S.,Akras, S.,Borges Fernandes, M.,Caballero, J. Springer-Verlag 2019 Astronomy and astrophysics Vol.622 No.-
<P><I>Context.</I> We present a new methodology for the estimation of stellar atmospheric parameters from narrow- and intermediate-band photometry of the Javalambre Photometric Local Universe Survey (J-PLUS), and propose a method for target pre-selection of low-metallicity stars for follow-up spectroscopic studies. Photometric metallicity estimates for stars in the globular cluster M15 are determined using this method.</P><P><I>Aims.</I> By development of a neural-network-based photometry pipeline, we aim to produce estimates of effective temperature, <I>T</I>eff, and metallicity, [Fe/H], for a large subset of stars in the J-PLUS footprint.</P><P><I>Methods.</I> The Stellar Photometric Index Network Explorer, SPHINX, was developed to produce estimates of <I>T</I>eff and [Fe/H], after training on a combination of J-PLUS photometric inputs and synthetic magnitudes computed for medium-resolution (<I>R</I> ~ 2000) spectra of the Sloan Digital Sky Survey. This methodology was applied to J-PLUS photometry of the globular cluster M15.</P><P><I>Results.</I> Effective temperature estimates made with J-PLUS Early Data Release photometry exhibit low scatter, σ(<I>T</I>eff) = 91 K, over the temperature range 4500 < <I>T</I>eff (K) < 8500. For stars from the J-PLUS First Data Release with 4500 < <I>T</I>eff (K) < 6200, 85 ± 3% of stars known to have [Fe/H] < −2.0 are recovered by SPHINX. A mean metallicity of [Fe/H] = − 2.32 ± 0.01, with a residual spread of 0.3 dex, is determined for M15 using J-PLUS photometry of 664 likely cluster members.</P><P><I>Conclusions.</I> We confirm the performance of SPHINX within the ranges specified, and verify its utility as a stand-alone tool for photometric estimation of effective temperature and metallicity, and for pre-selection of metal-poor spectroscopic targets.</P>
이제룡,서종태,정재두,이진우,하영주,이정일,곽석준,이중동 한국동물자원과학회 2003 한국축산학회지 Vol.45 No.6
In a trial involving 240pigs, the proximate composition, physico-chemical properites, color, amino acid composition and fatty acid composition of loin muscle were investigated in feeding various finished pig fees. The treatments included feeding control) the low-nutrient density diet(2,960㎈/㎏ ME, 12.25% CP, 0.41% lysine and 0.70% Ca), T1) the medium-nutrient density diet(3,220㎈/㎏ ME, 15.50% CP, 0.87% lysine and 0.90% Ca) and T2) the hight-nutrient density diet(3,350㎈/㎏ ME, 17.50% CP, 1.05% lysine and 0.90% Ca). The crude ash contents of T1 were significantly(p<0.05) higher than those of control and T2. The ?_(u) of T2 were significantly higher than those of control and T1, but cooking loss were significantly(p<0.05) lower than those of control. In compositions amino acid, aspartic acid, threonine, iso-leucine and histidine of T2 were higher than those of control, but proline and glycine were significantly(p<0.05) lower then those of control. The oleic acid(18:1) contents of control were significantly higher than those of T1 and T2, but the contents of linoleic acid(C18:2) and arachidonic(C20:4) acid were significantly(p<0.05) lower. Inconclusion, the results of the experiments suggest that the high-nutrient density diet for pigs tended to improve the postmortem ?_(u) and cooking loss.
톱밥 발효사료 급여 및 분말어유의 첨가사료가 돈육의 이화학적 성질에 미치는 영향
이정일,문점동,박구부,박범영,박태선,황보종,이한기,진상근,김영직 한국축산학회 1997 한국축산학회지 Vol.39 No.5
This study was conducted to investigate the influence of pork quality pigs which were fed with diets supplemented with fermented sawdust and sardin powder oil. The pigs were randomly assigned to one of the four treatments: a), control (commercial feed); b), T1 (30% fermented sawdust); c), T2 (10% sardin powder oil) d), T3 (30% fermented sawdust, l0% sardin powder oil and 30% limited amino acid) from 30 kg to 110 kg B. Wt. and slaughtered. The samples were stored at 0±1 C. The physico-chemical properties were determined at the dust of 2, 4, 6, 8 and 15. For the loin the pH's of all the treatments on the 15th day were higher than those of the 2nd day, and that of TI was higher than those of the others. The total moisture contents of all treatments decreased with the storage (P$lt;0.05), and there were no significant differences among treatments on the 15th day. The water soluble proteins of all treatments increased with time and were highest on the 8th day and decreased gianibicanth thereater. T1 had significantly higher water soluble protein than others(P$lt;0.05). The salt soluble proteins of all treatments increased with lure the days(P$lt;0.05). T1 had higher salt soluble protein than others during the storage period(P$lt;0.05). The brittleness, hardness, cohesiveness, gumminess and chewiness of all the treatments were not significantly different among during the period, but elasticity of them increased after from the 2nd day. The brittleness of control was higher than that of the others on the 15th day, and the hardness and chewiness of control were higher than those of the others on the 6th day(P$lt;0.05). Forthebelly the pH's of all the treatments on the 15th day were higher than those of the at 2nd day(P$lt;0.05). T1 showed higher pH than the others during the period(P$lt;0.05). The total moisture contents of control and T1 were significantly decreased with time and there were no significant differences between T2 and T3. T1 showed the highest value. The water soluble proteins of all the treatments decreased with time and was lower on the 15th day(P$lt;0.05). That of control and T1 was significantly higher than that of others on the 2nd day, but there were no significant differences among the treatments on the 15th day. The salt soluble proteins of all treatments increased with time (P$lt;0.05), and they were highest on the 15th day. T1 had significantly higher salt soluble protein than the others on the 8th and 15th days.
한우 사골, 꼬리, 우족 및 잡뼈 추출물의 이화학적 특성
이진규(J. K. Lee),정지택(J. T. Jeong),최정석(J. S. Choi1),정명옥(M. O. Jung),최양일(Y. I. Choi) 충북대학교 동물생명과학연구소 2017 동물생명과학연구 Vol.9 No.-
This study was conducted to investigate the physico-chemical characteristics of various bone extracts in Hanwoo cattle. The experimental materials are as follows; T1(Shank bone extract), T2(Tail extract), T3(Beef feet extract), and T4(The other bones extract). In the proximate composition, the T1 and T2 showed higher moisture and fat contents than those of T3 and T4(p<0.05), and the T3 had the highest protein content among the bone extracts(p<0.05). The quality properties including salinity, sugar content, turbidity and yellowness(b*) values were significantly higher in the T3 than the other bone extracts(p<0.05). However, the pH value of T3 was significantly lower than the other bone extracts. In the mineral contents, calcium contents of bone extracts were 36.33-48.57mg/kg, and the content of phosphorus was the lowest in T1(4.62mg/kg) and T2(19.88mg/kg) was the highest(p<0.05). Contents of sodium and potassium were the highest in T3(215.83mg/kg) and T2(54.59mg/kg), while the content of magnesium was the lowest in T3(12.28mg/kg). In conclusion, these results could be suggested to be the basis information for processed meat extract products industry in korea using Hanwoo bone extract.
국내 유통중인 기계발골계육의 품질특성 및 저장특성 비교
이주호(J. H. Lee),최정석(J. S. Choi),김중헌(J. H. Kim),엄태영(T. Y. Eum),김윤희(Y.H. Kim),정준영(J. Y. Jeong),최양일(Y. I. Choi) 충북대학교 동물생명과학연구소 2012 동물생명과학연구 Vol.4 No.-
This study was undertaken to compare the quality characteristics and storage characteristics between mechanically deboned chicken meat (MDCM) in 5 different companies(T1-T5) in Korean. In the chemical composition, T2 showed higher(p<0.05) moisture, T4 showed higher protein(p<0.05), T3 showed higher fat(p<0.05) and T5 showed higher ash(p<0.05). In the pH value, T5 showed lower(p<0.05) pH value than the other raw meat. In the TBA value, T3 showed lower(p<0.05) value than other products from 0 day to 7 day of storage. In the total microbial count, T3 showed lower(p<0.05) value compared to other raw meat from 0 day. But T1 showed lower(p<0.05) from 7 day. In the VBN value, T5 showed higher(p<0.05) from 0 day. And all raw meats showed higher than standard value from 7 day. As a result, MDCM showed difference the quality and storage characteristics the between companies in Korea. It is impossible to store MDCM more than 7 days when stored at 4℃ refrigerator.
Kim, J.H.,Choi, Y.J.,Lee, B.H.,Song, M.Y.,Ban, C.Y.,Kim, J.,Park, J.,Kim, S.E.,Kim, T.G.,Park, S.H.,Kim, H.P.,Sung, Y.C.,Kim, S.C.,Shin, E.C. Mosby 2016 The journal of allergy and clinical immunology Vol.137 No.5
<P>Background: Psoriasis is one of the most common chronic inflammatory diseases of the skin. Recently, IL-17-producing T cells have been shown to play a critical role in psoriatic inflammation. Programmed cell death 1 (PD-1) is a coinhibitory receptor expressed on T cells in various chronic inflammatory diseases; however, the expression and function of PD-1 during psoriatic inflammation have not previously been characterized. Objective: We examined PD-1 expression on IL-17A-producing T cells from imiquimod-treated mice and patients with psoriasis. Additionally, we investigated the therapeutic effect of recombinant programmed cell death ligand 1 (PD-L1) protein on imiquimod-induced psoriatic inflammation. Methods: PD-1 expression on IL-17A-producing gamma delta T cells from imiquimod-treated mice was examined by means of multicolor flow cytometric analysis. In the psoriatic skin of patients, PD-1 and IL-17A expression was analyzed by using immunofluorescence. The therapeutic effect of PD-L1-Fc fusion protein (PD-L1-Fc) was assessed in imiquimod-treated mice ex vivo and in vivo. Results: During imiquimod-induced psoriatic inflammation, PD-1 is overexpressed on CD27(-)V gamma 1(-) gamma delta T cells. Furthermore, PD-1 expression on IL-17A(+) T cells was confirmed in psoriatic skin tissues from patients and imiquimod-treated mice. In the CD27(-)V gamma 1(-) gamma delta T-cell population, V gamma 4(-) gamma delta T cells with V gamma 6 mRNA expression showed a high level of PD-1 expression. Furthermore, these PD-1(hi)V gamma 4(-)(V gamma 6(+)) gamma delta Tcells were specialized for anti-CD3-induced IL-17A production, which was inhibited by PD-L1-Fc treatment. In imiquimod-treated mice PD-L1-Fc reduced psoriatic inflammation when given alone and enhanced the therapeutic effect of anti-p40 when given in combination. Conclusion: PD-1 is overexpressed in IL-17A-producing T cells in both imiquimod-treated mice and patients with psoriasis. Moreover, recombinant PD-L1-Fc alleviates psoriatic inflammation in imiquimod-treated mice.</P>