Xem 1-20 trên 35 kết quả Streptolysin
  • TCNCYH phô b.n 32 (6) - 2004 Nghiªn cøu øng dông s.n xuÊt kh¸ng nguyªn streptolysin O, sö dông trong chÈn ®o¸n thÊp tim vµ viªm cÇu thËn cÊp ë trÎ em 1 NguyÔn ThÞ TuyÕn1, NguyÔn V¨n DÞp2 Bé m«n Vi sinh Y häc, tr−êng §¹i häc Y Hµ Néi 2 Vô Khoa häc vµ §µo t¹o, Bé Y tÕ Nghiªn cøu ®· ®−a ra ®−îc c¸c b−íc cô thÓ ho¸ vÒ mÆt kü thuËt vµ t×m ra c¸c ®iÒu kiÖn tèi −u trong quy tr×nh s.n xuÊt kh¸ng nguyªn streptolysin O theo khuyÕn c¸o cña Tæ chøc Y tÕ thÕ giíi. §ång...

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  • Các xét nghiệm miễn dịch: + Các kháng thể kháng liên cầu khuẩn: Gồm: 0). ASLO (anti streptolysin ASK (anti streptokinase). ASH (anti strepto hyaluronidase). Thường dùng hơn cả là ASLO. Khi các phản ứng (+) chứng tỏ trong cơ thể đã có nhiễm liên cầu khuẩn β tan huyết nhóm A. ASLO (+) khi 200đv; test thường (+) trong TKC, có khi dương tính trong các bệnh khác có nhiễm liên cầu khuẩn như viêm cầu thận cấp, viêm mủ da. + Yếu tố thấp (rheumatoid factor): Là một kháng thể kháng IgG, có khả năng ngưng kết với γ-globulin. Về bản chất nó...

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  • Degenerative mitral valve (МV) disease is a common disorder affecting around 2% of the population (Enriquez-Sarano M et al., 2009). The most common ending in patients with degenerative valve disease is leaflet rolapsed due to elongation or rupture of the chordal apparatus, resulting in varying degrees of МV regurgitation due to leaflet malcoaptation during ventricular contraction.

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  • The government of Mexico City, Mexico believes that access to health care is a human right, and should be universal and free to those who cannot afford to pay. In Mexico City the mayor has made health care accessible to all, and has garnered the broad support of the City’s leaders and citizens for this unique effort 9. When the City’s popular mayor, Andres Manuel López Obrador, came to power, he faced two significant challenges to keeping his campaign promise of free health care to poorer families. First, the public health system was fragmented.

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  • Notwithstanding the above, the incorporation of business education, including entrepreneurship education, within veterinary curricula is still relatively new, despite the long-standing recognition that the provision of business skills will benefit both veterinary graduates and employers. However, the typical positioning of business topics within the professional studies strand of the veterinary curriculum has been somewhat problematic, with anecdotal evidence suggesting that such non-clinical topics tend to be viewed by students as peripheral rather than core.

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  • The social insurance of farmers is covered by section „rural development”. This section falls under the competence of the minister in charge of rural development, who, however, cooperates in matters of social insurance of farmers with the minister in charge of social security issues. Problems of employment and counteracting unemployment are covered by „labour” section, administered by the minister in charge of labour issues.

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  • Most Cambodian elders have both living sons and daughters. Reflecting the higher mortality of males, including losses due to political violence associated with the Khmer Rouge period and its aftermath, the average number of surviving daughters modestly exceeds that of surviving sons. Some differences in the number of living children are evident according to sex, location and age of elders. Elderly men average larger numbers of surviving children than elderly women, reflecting the fact that men are far more likely to remarry than women in cases of marital dissolution.

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  • Video is a powerful medium that many business folks timidly avoid. After all, it can appear very complex! What tools do I use? How do I know what to make? How on earth am I going to explain the value of this to my boss? If you answer these questions, video can be a major asset to your business. Appealing to both audio and visual senses, video is powerful, emotion-evoking content that people love to share. Marketers can use video to generate traffic to their websites, build brand buzz, generate inbound links (which can help with SEO) and grow social media...

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  • The patents company was declared to be an illegal restraint of trade and dissolved in 1915. It was soon replaced, however, by what was to become the Hollywood studio system, a vertically integrated operation in which the five major studios dominated the production, distribution and exhibition of features in the USA and much of the rest of the world. The studio system underwent substantial reorientation from the 1950s, in the face of further federal regulation and broader social change, but its dominance has remained largely in place.

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  • The two prerequisites for the successful engineering of an organ are suitable cells and a biomaterial or extra celluar matrix component. A large variety of cells has been proposed for the use in tissue engineering, including pluripotent embryonic stem cells (ESC) with all their ethical controversies, adult stem cells found in most tissues, and committed precursor cells. While the plasticity of ESC offers the potential to grow an entire organ from a single cell source, the clear differentiation of these cells remains challenging....

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  • The book comprises of twelve chapters in two different sections. The first section of the book described on pesticide residue in nine chapters. Apart from methods of analysis of pesticide residues in the food and soil, the chapters with latest research on removal of residual pesticides and residue control by different methods are included. The other aspect of pesticide residue is sample preparation for residue analysis.

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  • By exchanging cytoplasmic proteins with exogenously added proteins, antibodies or cytosol that has been prepared from cells at distinct stages of the cell cycle or differentiation, or from disease states, we can modulate the intracellular environment and reconstitute various physiological phenomena in semi-intact cells. The semi-intact cell method was originally established by Dr. Simons’ group to study polarized vesicular trafficking in Madin-Darby canine kidney (MDCK) cells (Ikonen et al., 1995).

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  • Semi-intact cells are cells whose plasma membrane has been permeabilized with detergent or toxins, and can be referred to as “cell-type test tubes” (Fig. 1). We use a bacterial poreforming toxin, streptolysin O (SLO), to permeabilize the cells. At 4℃, SLO binds to cholesterol in plasma membranes. At warmer temperatures, SLO assembles to form amphiphilic oligomers, which results in the generation of small, stable transmembrane pores (Bhakdi et al., 1985).

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  • The greatest limitation of traditional epidemiological indicators is their inability to reflect the “capacity of an individual to perform tasks and activities”13. Self-perceived measures convey more information about the way a certain disease is affecting the individual’s daily routine and the population in general than the measurements collected from a clinical environment5. Clinical indicators are important for the assessment of oral health and treatment needs; nevertheless, their limitations must be considered11.

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  • The discussion below describes the physical effects of key air pollutants on human health. This discussion is mostly based on Morgan and Jalaludin’s (2001) review. Where possible, sensitive subgroups in the population have been identified, including people with existing disease (mainly respiratory and cardiovascular), people with infections such as influenza and pneumonia, asthmatics, the elderly and children. Exposure-response estimates for the key pollutants are presented in Appendix 3.

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  • Because agricultural production is seasonal, the products have to be stored for distribution later. The storage function involves risks -- risks of deterioration of products and risks of fluctuating market prices. Elaborate precautions are taken to guard against any deterioration of products from excessive moisture, heat, contaminating metals, bacteria and fungi, insects, and rodents and against loss from fire and theft.

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  • In this paper, we present a distributed location discovery frame- work, called Sextant, that extracts geographic constraints fromalready- present wireless radios and uses these constraints to infer node and event location with high accuracy. Sextant operates by setting up a system of relative geographic constraints among the network par- ticipants based on network connectivity and solving this system in a distributed and efficient manner with the aid of absolute position information provided by a small number of landmarks.

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  • Mối liên hệ chặt chẽ giữa viêm họng và thấp tim đã được biết rõ từ năm 1930. Người ta thấy rằng: (1) Có bằng chứng của sự tăng rõ rệt kháng thể kháng streptolysin O ở trong huyết thanh bệnh nhân bị thấp tim. (2) Hiệu quả rõ rệt của kháng sinh trong phòng bệnh thấp tim là một trong những bằng chứng hỗ trợ cho cơ chế trên. Thấp tim không phải do trực tiếp liên cầu gây ra mà thông qua cơ chế miễn dịch. Thông thường, sau khoảng 3 tuần viêm đường hô hấp trên...

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  • Our econometric investigation is based on two different complementary (weekly and monthly) datasets, respectively from 7 June 2005 to 21 October 2008, and from January 1996 to December 2007. There are two main reasons for this. Firstly, we think that weekly data may adequately capture the interaction of oil and stock prices in the region better than any other data frequency. However, our weekly data set, which deals with all the six GCC countries, only includes less than four years of data, which can be considered as too short to test for causality....

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  • Inorganic mercury is toxic when humans or wildlife are exposed to high levels for a short peri- od of time. Organic methylmercury has a greater tendency to accumulate in the body over time, eventually causing harm, even in small amounts. Methylmercury has the three properties that make substances particularly harmful to humans and other organisms — it persists, it bioaccumulates, and it is toxic to most life forms. The health effects of mercury are described in more detail in the next chapter of this primer.

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