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Survey Research on the Cerebral Palsy Children (소아(小兒) 뇌성마비환자(腦性麻痺患者)에 관한 연구(硏究))

  • Kim, Young-wah;Jang, Suk-geun;Kim, Young-il;Hong, Kwon-eui;Lee, Hyun;Lee, Byung-ryul
    • Journal of Acupuncture Research
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    • v.19 no.4
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    • pp.89-100
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    • 2002
  • Objective : We want to have a correct understanding and the distance about the Oriental Medical therapy on the CP(cerebral palsy) children. Methods : We made up a question of parents of CP children and analyzed it. Conclusion : 19 patients were taken physical treatment and 12 patients were taken occupational treatment in company with physical treatment(In our OPD CP patient) Parents complained about poor surroundings of our hospital for children and deficiency of physical treatment. The most satisfactory thing is acupuncture treatment, then the next thing is aroma therapy. On the satisfaction degree about the Oriental Medical therapy, very good is 27.3%, good 45.5%, ordinary 27.3% and unsatisfaction is none. The place Oriental medical therapy before our hospital was taken is local Oriental medical clinic, 9 cases out of 22.

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Highly dispersive substitution box (S-box) design using chaos

  • Faheem, Zaid Bin;Ali, Asim;Khan, Muhamad Asif;Ul-Haq, Muhammad Ehatisham;Ahmad, Waqar
    • ETRI Journal
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    • v.42 no.4
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    • pp.619-632
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    • 2020
  • Highly dispersive S-boxes are desirable in cryptosystems as nonlinear confusion sublayers for resisting modern attacks. For a near optimal cryptosystem resistant to modern cryptanalysis, a highly nonlinear and low differential probability (DP) value is required. We propose a method based on a piecewise linear chaotic map (PWLCM) with optimization conditions. Thus, the linear propagation of information in a cryptosystem appearing as a high DP during differential cryptanalysis of an S-box is minimized. While mapping from the chaotic trajectory to integer domain, a randomness test is performed that justifies the nonlinear behavior of the highly dispersive and nonlinear chaotic S-box. The proposed scheme is vetted using well-established cryptographic performance criteria. The proposed S-box meets the cryptographic performance criteria and further minimizes the differential propagation justified by the low DP value. The suitability of the proposed S-box is also tested using an image encryption algorithm. Results show that the proposed S-box as a confusion component entails a high level of security and improves resistance against all known attacks.

Childhood Emotional, Physical, and Sexual Abuse and Associations With Mental Health and Health-Risk Behaviors Among University Students in the Association of Southeast Asian Nations (ASEAN)

  • Thang, Nguyen Huu;Anh, Le Viet;Peltzer, Karl;Pengpid, Supa;Low, Wah Yun;Win, Hla Hla
    • Child Studies in Asia-Pacific Contexts
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    • v.7 no.1
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    • pp.15-26
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    • 2017
  • The aim of this study was to retrospectively estimate the prevalence of childhood emotional abuse (CEA), childhood physical abuse (CPA), and childhood contact sexual abuse (CCSA) in relation to adult poor mental health, addictive behavior, and other health-risk behaviors among university students in five ASEAN countries (Indonesia, Malaysia, Myanmar, Thailand, and Vietnam). In a cross-sectional survey, 3,240 undergraduate university students were randomly selected (M age = 20.5 years, SD = 1.6 years) to respond to a questionnaire including the Abuse section of the World Health Organization (WHO) Version 1 "Adverse Childhood Experiences International Questionnaire" (ACE-IQ) and other measures. The students reported 17.9% CEA, 28.2% CPA, and 22.4% CCSA, with the highest prevalence of CEA in Myanmar (30.9%) and CPA and CCSA in Vietnam (55.8% and 41.6%, respectively). In logistic regression models, adjusting for sociodemographic and social variables, the separate and cumulative effects of three types of child abuse (emotional, physical, and sexual) were found to increase the risks for poor adult mental health, addictive, and other health-risk behaviors.

Education Website Accessibility : Comparison between Korea and the United States (한국과 미국의 교육기관 웹 사이트 접근성 평가)

  • Park Seong-Je;Jung Jae-Won
    • Proceedings of the Korea Society for Industrial Systems Conference
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    • 2006.05a
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    • pp.53-62
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    • 2006
  • 인터넷 및 IT 기술의 획기적인 발전으로 인해 우리가 접하는 정보는 그 양적 측면 뿐만 아니라 질적 측면에서도 비약적인 발전을 가지고 왔다. 또한 인터넷 보급의 활성화로 대부분의 사람들은 많은 종류의 정보 속에서 그리고 다양한 형식으로 구성된 정보 속에서 지내고 있다. 특히 웹의 사용이 일상화 되어감에 따라 컴퓨터를 다루기 힘든 정보소외계층의 웹사이트 정보 접근성에 대한 관심이 증가하고 있으며 그와 관련한 다각적인 연구도 활발히 진행 중이다. 본 연구에서는 선행된 웹 사이트 접근성에 관한 연구와 한국형 자동화 접근성 평가도구의 분석을 통하여 기존의 웹 접근성 평가의 한계를 파악하고 이를 통해 새로운 유형의 웹사이트 접근성 평가모형을 제안하고자 한다. 이를 위한 접근성 평가의 효율성 및 타당성 확보를 위해 먼저 자동화 평가도구인 Kado-Wah 를 이용하여 기본 평가를 진행하였고, 그 결과를 바탕으로 웹 페이지 소스분석 및 음성합성 S/W 를 통한 메뉴얼 평가를 실시하였다. 평가결과를 바탕으로 접근성 오류정도를 산출하여 한국과 미국의 교육기관 웹사이트의 접근성을 비교 분석하고 그 결과를 통해 향후 웹 기반 정보접근에 대한 효율성을 최대화 할 수 있도록 웹 구현에 대한 지침을 제안하고자 한다.

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BSL2 Audit and Certification Program: An Effort to Harmonize and to Raise Standards in Both Laboratory Infrastructure and Biosafety Practices in Singapore

  • Tin, Tun;Lee, Kien Wah
    • Biomedical Science Letters
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    • v.22 no.3
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    • pp.65-74
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    • 2016
  • The critical aspects of biosafety and bio-containment have been increasingly important in recent years. Biological agents involved in biological research projects at the Nanyang Technological University (NTU) Singapore are usually those with low risks. Biosafety level 2 or BSL 2 laboratories are widely used. However, biosafety measures which refer to the implementation of laboratory practices and procedures, specific construction features of laboratory facilities and safety equipment must be in place to reduce the exposure of laboratory personnel, the public or the environment to potentially infectious agents or other biological hazards. It is also required to pay more attention to laboratory-acquired infections (LAIs) which may occur in research laboratories, clinical laboratories or animal facilities. BSL 2 audit and certification program is implemented as an internal exercise covering laboratories in the university where biological agents are handled or biological research works are carried out. We have put some efforts to raise biosafety standards university-wide in both laboratory infrastructure and laboratory practices to a higher level. Common audit findings are briefly discussed in this presentation.

The clinical study on 1 case of Patient with Cervical spinal cord injury caused by Traffic accident (교통사고로 인한 경추부 손상으로 내원한 환자 1례에 대한 증례보고)

  • Kim, Jeong-ho;Kim, Young-wah;Jang, Suk-gun;Yim, Yun-kyoung;Kang, Jae-hui;Kim, Young-il;Hong, Kwon-eui;Lee, Hyun;Lee, Byung-ryul
    • Journal of Acupuncture Research
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    • v.20 no.6
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    • pp.201-209
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    • 2003
  • Objective : Recently, Seguele of Traffic Accident patients are increasing, especially cervical injury bring only severe sequela but also mortal damage to the patient. In treatment of the disease, the east medical treatment is another effective method. Methods : The patient resisted the west theraphy improved greatly in movement and sensation by acupuncture, moxibustion, herb medication and Physical treatment. In MRI, The treatment result is proved. Acupuncture on Stomach Meridian(足陽明胃經) referring to Naijing(內經) is thought effective. Results : Tetraplegia by Traffic Accident is considered as Wei Symptom in term of the east medicine, By means of radial and physical study of the patient treated by the east medicine, we are conviced that the east medicine is the excellent method Conclusions : Referring to the past documentary data, The only Treatment on this disease is Surgical operation, but the operation isn't the successful one because seg. of spinal cord injury is mortal. The east treatment, acupuncture, moxibustion herb medication and physical treatment isn't only effective but also satisfactory. In the future, The study on this disease by the east medicine should be made thoroughly.

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Alkaloids of Linderae Radix suppressed the lipopolysaccharide-induced expression of cytokines in cultured macrophage RAW 264.7 cells

  • Chou, David Jiyao;Lam, Kelly Yinching;Chen, Jianping;Yao, Ping;Dong, Tina Tingxia;Xiong, Aizhen;Chou, Guixin;Wang, Zhengtao;Tsim, Karl Wah-Keung
    • CELLMED
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    • v.4 no.4
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    • pp.28.1-28.27
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    • 2014
  • Linderae Radix, the dry roots of Lindera aggregata (Sims) Kosterm, has long been used as traditional Chinese medicine for treatment of inflammatory diseases. The total alkaloids are believed to be the active components responsible for anti-inflammation of Linderae Radix. Here, the total alkaloids of Linderae Radix were extracted and isolated, including 12 isoquinoline alkaloids and 1 furan sesquiterpene. Within the alkaloids, norisoboldine, boldine, linderaline, isoboldine, reticuline, N-methyllaurotetanine, norjuziphine were found to be the major ingredients. In lipopolysaccharide-treated macrophage RAW 264.7 cells, application of Linderae Radix extract, or total alkaloids, suppressed the transcription of proinflammatory cytokines, interleukin-$1{\beta}$ and interleukin-6. Out of the 12 alkaloids, norisoboldine, boldine, and isoboldine were tested in lipopolysaccharide-treated macrophages, and norisoboldine was the strongest alkaloid in suppressing the cytokine expressions. The current studies suggested that the identification of alkaloids from Linderae Radix could provide a plausible explanation for herbal therapeutic functions.

Variant Alleles in XRCC1 Arg194Trp and Arg399Gln Polymorphisms Increase Risk of Gastrointestinal Cancer in Sabah, North Borneo

  • Halim, Noor Hanis Abu;Chong, Eric Tzyy Jiann;Goh, Lucky Poh Wah;Chuah, Jitt Aun;See, Edwin Un Hean;Chua, Kek Heng;Lee, Ping-Chin
    • Asian Pacific Journal of Cancer Prevention
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    • v.17 no.4
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    • pp.1925-1931
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    • 2016
  • Background: The XRCC1 protein facilitates various DNA repair pathways; single-nucleotide polymorphisms (SNPs) in this gene are associated with a risk of gastrointestinal cancer (GIC) with inconsistent results, but no data have been previously reported for the Sabah, North Borneo, population. We accordingly investigated the XRCC1 Arg194Trp and Arg399Gln SNPs in terms of GIC risk in Sabah. Materials and Methods: We performed genotyping for both SNPs for 250 GIC patients and 572 healthy volunteers using a polymerase chain reaction-restriction fragment length polymorphism approach. We validated heterozygosity and homozygosity for both SNPs using direct sequencing. Results: The presence of a variant 194Trp allele in the Arg194Trp SNP was significantly associated with a higher risk of GIC, especially with gastric and colorectal cancers. We additionally found that the variant 399Gln allele in Arg399Gln SNP was associated with a greater risk of developing gastric cancer. Our combined analysis revealed that inheritance of variant alleles in both SNPs increased the GIC risk in Sabah population. Based on our etiological analysis, we found that subjects ${\geq}50years$ and males who carrying the variant 194Trp allele, and Bajau subjects carrying the 399Gln allele had a significantly increased risk of GIC. Conclusions: Our findings suggest that inheritance of variant alleles in XRCC1 Arg194Trp and Arg399Gln SNPs may act as biomarkers for the early detection of GIC, especially for gastric and colorectal cancers in the Sabah population.

Transcript accumulation of carotenoid biosynthesis genes in the cyanobacterium Synechocystis sp. PCC 6803 during the dark-to-light transition is mediated by photosynthetic electron transport

  • Ryu, Jee-Youn;Song, Ji-Young;Chung, Young-Ho;Park, Young-Mok;Chow, Wah-Soon;Park, Youn-Il
    • Plant Biotechnology Reports
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    • v.4 no.2
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    • pp.149-155
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    • 2010
  • Expression of the genes for carotenoid bio-synthesis (crt) is dependent on light, but little is known about the underlying mechanism of light sensing and signalling in the cyanobacterium Synechocystis sp. PCC 6803 (hereafter, Synechocystis). In the present study, we investigated the light-induced increase in the transcript levels of Synechocystis crt genes, including phytoene synthase (crtB), phytoene desaturase (crtP), ${\zeta}$-carotene desaturase (crtQ), and ${\beta}$-carotene hydroxylase (crtR), during a darkto-light transition period. During the dark-to-light shift, the increase in the crt transcript levels was not affected by mutations in cyanobacterial photoreceptors, such as phytochromes (cph1, cph2 and cph3) and a cryptochrome-type photoreceptor (ccry), or respiratory electron transport components NDH and Cyd/CtaI. However, treatment with photosynthetic electron transport inhibitors significantly diminished the accumulation of crt gene transcripts. Therefore, the light induction of the Synechocystis crt gene expression is most likely mediated by photosynthetic electron transport rather than by cyanobacterial photoreceptors during the dark-to-light transition.

Association of CYP2E1, STK15 and XRCC1 Polymorphisms with Risk of Breast Cancer in Malaysian Women

  • Chong, Eric Tzyy Jiann;Goh, Lucky Poh Wah;See, Edwin Un Hean;Chuah, Jitt Aun;Chua, Kek Heng;Lee, Ping-Chin
    • Asian Pacific Journal of Cancer Prevention
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    • v.17 no.2
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    • pp.647-653
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    • 2016
  • Background: Breast cancer is the most common type of cancer affecting Malaysian women. Recent statistics revealed that the cumulative probability of breast cancer and related deaths in Malaysia is higher than in most of the countries of Southeast Asia. Single nucleotide polymorphisms (SNPs) in CYP2E1 (rs6413432 and rs3813867), STK15 (rs2273535 and rs1047972) and XRCC1 (rs1799782 and rs25487) have been associated with breast cancer risk in a meta-analysis but any link in Southeast Asia, including Malaysia, remained to be determined. Hence, we investigated the relationship between these SNPs and breast cancer risk among Malaysian women in the present case-control study. Materials and Methods: Genomic DNA was isolated from peripheral blood of 71 breast cancer patients and 260 healthy controls and subjected to polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis. Results: Our study showed that the c1/c2 genotype or subjects with at least one c2 allele in CYP2E1 rs3813867 SNP had significantly increased almost 1.8-fold higher breast cancer risk in Malaysian women overall. In addition, the variant Phe allele in STK15 rs2273535 SNP appeared to protect against breast cancer in Malaysian Chinese. No significance association was found between XRCC1 SNPs and breast cancer risk in the population. Conclusions: This study provides additional knowledge on CYP2E1, STK15 and XRCC1 SNP impact of risk of breast cancer, particularly in the Malaysian population. From our findings, we also recommend Malaysian women to perform breast cancer screening before 50 years of age.