l antigen 中文意思是什麼

l antigen 解釋
大腸桿菌的一種粘膜抗原
  • l : L-beam, L-iron 不等邊角鋼。L,￡＝ 〈拉丁語〉 libra （＝ pound）。
  • antigen : n. 【醫學】抗原。
  1. The determination of human thymidine kinase ( htk ) in human serum, which is a key indicator of cancers can give information for the diagnosis and treatment of the malign diseases. the protein a layer was first self - assembled onto the gold electrode surfaces of quartz crystals, the monoclonal antibodies were then orientedly immobilized through the specific binding between the fc terminals of the antibodies and the self - assembled protein a. with this sensor, the affinity constant of antigen - antibody binding was estimated to be 1. 85 106 l / mol according to the scatchard ’ s plotting method, which proved the high bioactivity of antibody. finally, an amplified piezoelectric immunosensor was designed to determine the htk in

    實驗中將蛋白a吸附於鍍金壓電石英晶體電極表面，用於定向固定htk單克隆抗體，成功研製了檢測htk的壓電石英晶體傳感器，並基於標準scatchard繪圖法，計算出免疫反應的親和常數為1 . 85 106l / mol ，證明該單克隆抗體具有較高的免疫活性;同時基於酶催化沉澱技術，設計了的檢測htk的質量放大壓電石英晶體傳感器，該傳感器可在0 . 1 - 10ng范圍內對htk進行定量檢測，應用此傳感器成功地對5種癌癥病人血清中htk的濃度進行了測定，實驗結果為癌癥的臨床診斷與治療提供了參考。
  2. After the recombinant plasmid pcdna3. 1 / ts87 was identified by digestion of hindlll and bamh i, it transformed into cos7 by lipofectamine. expression product was identified by immunohistochemical method, sds - page and western - blot. the immunocytochemistry result has shown that specific brown - staining grains were found in the cytoplasm of cells transformed by recombinant plasmid versus not seen in cells transformed by pcdna3. 1 or normal cells ; the sds - page result has revealed that a band about 3 8kb was found in cell lysis transformed by recombinant plasmid versus not in cells transformed by pcdnas. l or normal cells ; the western - blot result has showed that only the band about 38kd was recognized by sera from rabbit infected by t. s artificially and sera from rabbit immunized with soluble antigen of t. s and with protein expressed by ts87 gene and by a monoclonal antibody of t. s

    通過細胞的免疫組化，細胞裂解物的sds - page電泳， westem - blot分析檢測目的基因的表達情況。免疫組化結果顯示：重組質粒轉染的細胞質中有棕褐色顆粒，而空載體轉染細胞及正常細胞無此現象；細胞裂解物sds - page電泳結果顯示：只有重組質粒轉染的細胞在約38kd處有明顯的蛋白帶，這與理論計算的ts87基因表達蛋白的分子量為38kd基本一致； western - blot分析結果顯示：約38kd的蛋白帶能夠分別被旋毛蟲感染兔血清，成蟲蟲體可溶性抗原免疫兔血清， ts87基因原核表達蛋白免疫兔血清（ ts87血清）以及一株具保護性的旋毛蟲單抗特異識別。
  3. Thus, immunologists have sought smaller molecules with the antigen - recognition capability of antibodies. the variable domains of the heavy ( h ) and light ( l ) chains are sufficient for antigen recognition but the non - covalent complex of the two variable domains ( fv ) is unstable. it is possible to genetically engineer a single - chain fv ( scfv ) with the h chain v region connected to the l chain v region via a 15 amino acid linker composed of serine and glycine amino acid residues

    二、日本血吸蟲單克隆杭獨特型抗體np30的單鏈狐（ scf ）的構建、表達及對balbic小鼠誘導保護性作用研究l 、日本血吸蟲單克隆杭獨特型抗體np0的單鏈抗體歸cfv ）的構建、表達通過pcr方法體外擴增並經測序驗證的重鏈、輕鏈可變區（ vh 、 vl ）基因先後重組入原核表達質粒ptha90相應的位點上，中間通過一連接肽（ gly在er ） 。
  4. The effect of 20 g / 100 g diet of lactalbumin ( l ), casein ( c ), soy ( s ) and wheat ( w ) protein on the immune responsiveness of c3h / hen mice has been investigated by measuring the humoral immune response to the t cell - independent antigen, tnp - ficoll

    摘要：本研究測量體液對t細胞抗原的免疫反應，探討不同的蛋白補充劑（包括乳白蛋白、酪蛋白、大豆蛋白及小麥蛋白）飼料（ 20克蛋白/ 100克飼料）對小鼠免疫反應的效果。
  5. A 40 000 protein was proved to be their common omp antigen, whereas the specific omp antigen of the four strains was a 43 000, 50 000, 38 000 and 50 000 protein, respectively. finally, 20 mice were immunized with the omps of a type strain j - l ( 50, u < gper mouse )

    這些表明了不同表型種嗜溫氣單胞菌的omp型存在一定的差異，而同一表型種的不同菌株間的omp型盡管相似，但蛋白帶的遷移率及顏色深淺卻仍有差異。
  6. The high titer specific ndrg2 antibody is indispensable to reseach deeply the functions or the tissue and subcellular distribution features of ndrg2, ha order to prepare ndrg2 antibody, the whole ndrgl sequence was cloned into prset - a vector and two truncated sequences of ndrg2 were cloned into pgex - 4t - l vector. after induced by iptg, the fusion proteins were expressed in e. coli ; rabbits immunized with the whole length ndrg2 protein were reinforced with two shortened fragments of ndrg2 ; after immunization, rabbits produced high titer antiserum against ndrg2. then antisemm was absorbed using ndrg2 antigen immobilized on nc filters, the purified product of antiserum shows high special to ndrg2 protein, and the separated inclusion body of 6his - ndrg2 will be useful for the further reseach

    為制備高效價的ndrgz抗體，分別構建了prset a雌、 pgex4t d唾倉和pgex4tl七三種原核重組表達質粒，並在大腸桿菌中誘導表達出相應的融合蛋白；用全長gstjqdrgz蛋白免疫兔，然後用gst ndrgz人和gstjqdrgze片段加強免疫，經免疫得到了較高效價的兔抗人ndrz多克隆抗血清，利用固定於硝酸纖維素膜上的ndrgz抗原親和吸附純化抗血清，提高了ndrgz抗體的特異性；並對包涵體形式表達的6his ndrgz進行初步的分離純化。
  7. Ts87 gene fragment was picked out by screening adult t. s cdna library using sera of rabbit raised against soluble antigen of t. s and using sera of rabbit infected artificially with t. s. the ts87 fragment was ligated to vector pcdnas. l, which contains a cmv promoter / enhancer

    本研究採用通過免疫篩庫得到的旋毛蟲抗原基因片段ts87與載體pcdna3 . 1連接。該載體含有人類巨細胞病毒（ cmv ）的高效啟動子和增強子，是一種外源基因在哺乳動物細胞內高效表達的理想載體。
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