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( Keun-young Shin ),( Sang-jun Park ),( Woo-suk Lee ) 대한고관절학회 2017 Hip and Pelvis Vol.29 No.3
Paralabral cyst around hip is reported to be a cause of compression of the major neurovascular structures. Although, arthroscopic cyst and labral debridement is generally accepted as the effective treatment, there is limited literature available regarding treatment options for paralabral cysts in the hip. We present a case of paralabral cyst compressing left common femoral vein in the hip that was treated with sono-guided cyst aspiration followed by arthroscopic labral debridement.
Shin, Jong-Hee,Kim, Sang-Kuk,Kwon, Jung-Bae,Lee, Bong-Ho,Sohn, Jae-Keun The Korean Society of Plant Biotechnology 2004 Plant molecular biology and biotechnology research Vol.6 No.2
This study was carried out to establish The regeneration of healthy seedlings from the nodal segment culture of Chinese yam (Dioscorea opposita cv. Danma), cultivated in Korea. Different explants such as leaves, petioles, roots and nodal pieces, excised from the in vitro grown seedlings of Chinese yam, were cultured on MS medium supplemented with various combinations of growth regulators. All the growth regulators used induced plantlet regeneration from the nodal segments at a high frequency, while there was no induction of shoot or callus from leaf, petiole or root tissues. The medium supplemented with 0.01mg/L NAA, 0.5mg/L BA, 0.5-1.0mg/L kinetin and without plant growth regulator was effective for shoot development of buds from the nodal segment culture. The concentration of BA and NAA was an important factor in the bud induction of buds from the nodal segments of Chinese yam. Nodal segments cultured on the medium containing 1.0mg/L NAA and 0.5-1.0mg/L BA gave the best response to bud formation. The addition of GA$_3$ to the culture medium suppressed shoot induction and growth, while it increased microtuber formation. The shoot growth and microtuber formation were also affected by medium strength and solidity. The MS basal medium containing 1 g/L gelrite was suitable for microtuber formation from the nodal segment of Chinese yam.
Aptamer-Based Paper Strip Sensor for Detecting <i>Vibrio fischeri</i>
Shin, Woo-Ri,Sekhon, Simranjeet Singh,Rhee, Sung-Keun,Ko, Jung Ho,Ahn, Ji-Young,Min, Jiho,Kim, Yang-Hoon American Chemical Society 2018 ACS Combinatorial Science Vol.20 No.5
<P>Aptamer-based paper strip sensor for detecting <I>Vibrio fischeri</I> was developed. Our method was based on the aptamer sandwich assay between whole live cells, <I>V. fischeri</I> and DNA aptamer probes. Following 9 rounds of Cell-SELEX and one of the negative-SELEX, <I>V. fischeri</I> Cell Aptamer (VFCA)-02 and -03 were isolated, with the former showing approximately 10-fold greater avidity (in the subnanomolar range) for the target cells when arrayed on a surface. The colorimetric response of a paper sensor based on VFCA-02 was linear in the range of 4 × 10<SUP>1</SUP> to 4 × 10<SUP>5</SUP> CFU/mL of target cell by using scanning reader. The linear regression correlation coefficient (<I>R</I><SUP>2</SUP>) was 0.9809. This system shows promise for use in aptamer-conjugated gold nanoparticle probes in paper strip format for in-field detection of marine bioindicating bacteria.</P> [FIG OMISSION]</BR>
Shin, Sang-Woo,Jang, Yeon-Do,Ko, Kyoung-Won,Kang, Eun Young,Han, Jun-Hyeok,Bedair, Tarek M.,Kim, Ik-Hwan,Son, Tae-Il,Park, Wooram,Han, Dong Keun Elsevier 2019 Journal of industrial and engineering chemistry Vol.80 No.-
<P><B>Abstract</B></P> <P>Polymeric microspheres containing magnesium hydroxide (MH) was developed as a functional dermal filler with enhanced physicochemical and biological performances. In this study, polycaprolactone (PCL) and MH microspheres (PCL/MH) were uniformly produced with approximately 50μm in size through a simple fluidic device. In the PCL/MH composite, MH effectively neutralized the acidic degradation products generated by polymer degradation. In <I>in vitro</I> cell experiments, when MH was treated with acidic decomposition product (<I>i.e.</I>, 6-hydroxycaproic acid, HCA), the acidic pH was neutralized to induce wound healing along with inhibition of inflammation and senescence. Furthermore, MH promoted the production of collagen. These results suggest that the PCL/MH microspheres have great potential as a functional dermal filler for skin esthetics and facial plastic surgery.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Shin, Mi-Kyung,Kim, Kyung-Nam,Kim, Chul-Eung,Lee, Sung-Keun,Kang, Ju-Hee,Park, Chang-Shin The Korean Society of Toxicogenomics and Toxicopro 2008 Molecular & cellular toxicology Vol.4 No.1
The expression of neuronal nitric oxide synthase (nNOS) is regulated by various spliced first exons (exon 1a-1i), sharing differentially common exon 2 in diverse human tissues. The highly complex structure and regulation of human nNOS gene gave limitations of information for the precise mechanism of nNOS regulation. In the present study, we report that the repeats of polymorphic dinucleotides $(GT)^nA(TG)^n$ repeats located in just upstream to the exon 1f in human nNOS gene play suppressive role in transcription, as shown in the characteristics of Z-DNA motif in other genes. In neuronal and trophoblast cells transfected transiently with luciferase construct without dinucleotide repeats at the 5'-flanking region of exon 1f in nNOS gene, the luciferase activity was increased markedly. However, the presence of the dinucleotide repeats dramatically suppressed the luciferase activity to the basal level, and which was dependent on the length of $(GT)^n$ and $(TG)^n$ repeats. More importantly, we found the polymorphisms in the length of dinucleotide repeats in human. Furthermore, we show for the first time here that there is a significant association of the lengths of polymorphic dinucleotide $(GT)^n$ and $(TG)^n$ repeats with the risk of schizophrenia.
Immuno-MemBlot 방법을 이용한 단백질 분석의 정확성 평가
Sang Shin Lee,Igor Lee,Jae Geel Lim,Ji Young Song,Seong Hee Ko,Yeon Sook Kim,Suk Keun Lee 대한구강악안면병리학회 2006 대한구강악안면병리학회지 Vol.30 No.1
Immuno-MemBlot is a technique for detecting, analyzing, and identifying proteins, similar to the Western blot technique but differing in that protein samples are not separated electrophoretically but are spotted through circular or slot templates directly onto the membrane. Recently we developed a new Immuno-MemBlot (IMB) method applying immunoreactions and coloring procedures directly in the wells of MemBlot apparatus, which were connected by canals to perform drainage for reagent application and buffer irrigation. This IMB method was designed to get theimmunoblot results more rapidly and clearly than the previous immunoblot ones. This study is aimed to evaluate the analytical accuracy of IMB using different biological assay. In the sensitivity test of IMB the monoclonal antibody can clearly detect the 30 ng (about 12 pM) of Mucocidin peptide (35 mer), and is also available to detect at least 10 ng (about 4 pM) of Mucocidin peptide (35 mer). The IMB was effective in the quantitative analysis of methothrexate (MTX) assay for cellular apoptosis. And more, this IMB is useful to screen large number of specific samples with ease and accuracy in a short time. In the screenings for the presence of Mucocidin in saliva the quantitative comparison is conspicuous among 48 persons depend on the different conditions ofgender, drinking and smoking habits, and oral diseases. Therefore, it is presumed that, even though the target proteins were partly degraded, a specific epitope can be detected if a monoclonal antibody was still reactive. Conclusively, these data suggest that the IMB can be useful in the primary qualitativeand quantitative analysis of proteins in various fluids, i.e., blood, saliva, tear, urine, etc.
Laparoscopy vs. laparotomy for embryo transfer to produce transgenic goats (Capra hircus)
Sang Tae Shin,Sung Keun Jang,Hong Suk Yang,Ok Keun Lee,Yhong Hee Shim,Won Il Choi,Doo Soo Lee,Gwan Sun Lee,Jong Ki Cho,Young Won Lee 대한수의학회 2008 JOURNAL OF VETERINARY SCIENCE Vol.9 No.1
This study was performed to produce transgenic Korean native goat (Capra hircus) by laparoscopic embryo transfer (ET) to overcome the limitations of ET performed by laparotomy. Transgenic embryos were produced by DNA pronuclear microinjection of in vivo zygotes. The recipient goats were synchronized for estrus by using an introvaginal progesterone devices as a controlled internal drugreleasing insert (CIDR) for 13 days and injection of 400 IU PMSG 48 h before removal of the insert. Embryos were transferred on day 3 and 4 after removal of the insert. Recipient goats were deprived of feed for 48 h, then suspended in a laparotomy cradle at an angle of 45o. After obtaining a sufficient pneumoperitoneum, the laparoscope and forceps were inserted abdominally through 5 mm trocar sleeves. Examination of the ovaries and uterus was performed and then 213 embryos were transferred into the oviducts via the infundibula of 76 recipient goats. To compare pregnancy rates, ET was also performed by laparotomy in 82 recipient goats. The pregnancies in the recipient goats were diagnosed by ultrasound on day 30 after embryo transfer. The pregnancy rate with laparoscopic ET was significantly higher than with ET performed by laparotomy (46.1% vs. 28.6%, p < 0.05). In addition, the pregnancy rates were compared between ovulated and non-ovulated ovaries of the recipient goats in the laparoscopic ET group. No significant difference was observed between the pregnancy rates of ovulated and non-ovulated ovaries (41.3% vs. 33.3%, p < 0.05) suggesting that ET may also be possible in non-ovulated recipients through artificial rupture of Graafian follicles. These results suggest that laparoscopic ET is a highly efficient method for the transfer of goat embryos. This study was performed to produce transgenic Korean native goat (Capra hircus) by laparoscopic embryo transfer (ET) to overcome the limitations of ET performed by laparotomy. Transgenic embryos were produced by DNA pronuclear microinjection of in vivo zygotes. The recipient goats were synchronized for estrus by using an introvaginal progesterone devices as a controlled internal drugreleasing insert (CIDR) for 13 days and injection of 400 IU PMSG 48 h before removal of the insert. Embryos were transferred on day 3 and 4 after removal of the insert. Recipient goats were deprived of feed for 48 h, then suspended in a laparotomy cradle at an angle of 45o. After obtaining a sufficient pneumoperitoneum, the laparoscope and forceps were inserted abdominally through 5 mm trocar sleeves. Examination of the ovaries and uterus was performed and then 213 embryos were transferred into the oviducts via the infundibula of 76 recipient goats. To compare pregnancy rates, ET was also performed by laparotomy in 82 recipient goats. The pregnancies in the recipient goats were diagnosed by ultrasound on day 30 after embryo transfer. The pregnancy rate with laparoscopic ET was significantly higher than with ET performed by laparotomy (46.1% vs. 28.6%, p < 0.05). In addition, the pregnancy rates were compared between ovulated and non-ovulated ovaries of the recipient goats in the laparoscopic ET group. No significant difference was observed between the pregnancy rates of ovulated and non-ovulated ovaries (41.3% vs. 33.3%, p < 0.05) suggesting that ET may also be possible in non-ovulated recipients through artificial rupture of Graafian follicles. These results suggest that laparoscopic ET is a highly efficient method for the transfer of goat embryos.