enzyme analysis 中文意思是什麼

In recent five years, some important proceedings have been carried out, including being used as a new nutrition agent or protective carrier for new sensitive components, an enzyme micro - capsulated reactor, a control - released carrier of special food components, an assessment system for anti - oxidation of food component, a tool for food analysis and development of new liposome with natural and safe characteristics

近5年來，脂質體在充當營養新劑型或敏感成分保護性載體，構建食品酶微囊反應器，作為特殊食品組分的緩釋載體，充當食品組分抗氧化評估體系，充當食品分析工具以及天然、安全的新穎食品脂質體構建等方面的研究與應用，均取得了一些重要進展。

Analysis of ldh and its iso - enzyme in cerebralspinal fluid of 24 virogenetic and 15 bacteritic cerebritis patients

15例化膿性腦炎患者腦脊液中乳酸脫氫酶及同功酶分析

Based on the structure and function analysis of hirudin, a potent thrombin inhibitor, and some platelet aggregation inhibitors, which contain the recognition sequence argglyasp as their functional motif, two chimeric antithrombotic molecules were designed by introducing rgd sequence to hirudin cterminus. these chimera genes were constructed by pcr and inserted into the expression vector pet21a, the constructs were confirmed by restriction enzyme digestion and dna sequence analysis. these recombinant plasmids were transformed into

經限制酶消化和dna序列分析，證明兩種重組質粒與設計完全一致。由於rgd -水蛭素嵌合基因上游連接了金黃色葡萄球菌蛋白a spa的信號肽序列，在iptg誘導下兩種嵌合分子都獲得了分泌表達，表達產物主要集中在細胞周質空間。

Analysis of isodynamic enzyme for two breeds of shatian pomelo

兩個沙田柚品系同工酶分析

By transformation with the genes. plant disease biocontrol bacteria bacillus subtil is aplls and b. megaterium ap25 were isolated from wheat field soils collected from south australia and tai an. enzyme activity analysis on chitin agar and abp media showed that b. subtilis aplls secreted chitinase and b. megaterium ap25 secreted endoglucanase, respectively

測序后在genebank上進行序列比較，該基因片段同編號為2634966的枯草芽孢桿菌全序列的2599451到2812870 （功能未知）有85的同源性，但同已發表的13種幾丁質酶的基因（包括枯草芽孢桿菌幾丁質酶基因）的同源性很低，只有30 。

The enzyme digest analysis shows that the arm repeats of c - terminal are conceivably conservative domain. in arc1 protein, there are some active sites including n - glycosylation sites, camp - and cgmp - dependent protein kinase phosphorylation sites, protein kinase c phosphorylation sites, casein kinase ii phosphorylation sites, tyrosine kinase phosphorylation sites, n - myristoylation sites, amidation sites and leucine zipper pattern. it probably take part in the signaling process of self - incompatibility

同時在arc1蛋白質中還發現了拉鏈結構和多個磷酸化位點，包括camp和cgmp依賴的蛋白激酶磷酸化位點、蛋白激酶c磷酸化位點、酪蛋白激酶磷酸化位點、酪氨酸激酶磷酸化位點、糖基化位點等，拉鏈結構為arc1蛋白之間及與其它蛋白的相互作用提供了可能，而磷酸化位點是arc1參與信號傳導過程所必需的。

The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

進一步對xynba進行了脫糖基化處理得到xynbb ，其分子量恢復到23kd ，證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現：三種酶的最適ph差異不大， xynb和xynba均為5 . 2 ， xynbb為5 . 0 ； xynb和xynba的最適溫度均為60 ， xynbb降為50 ：在耐熱性上， xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ； xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ，明顯低於原酶的比活2814 . 45iu mg ； xynb和xynba的km值相當，分別為21 . 56 （ g kg ）和20 . 87 （ g kg ） ，而xynbb的km值較大為27 . 10 （ g kg ） ； xynba和xynbb的vmax相差不大，分別為4568 mol mg ? min和5329 mol mg ? min ，明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性，對胃蛋白酶和胰蛋白酶有很好的抗性，且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現：以樺木木聚糖為底物時，酶解產物主要為木三糖和木四糖，含量分別為68 . 43和16 . 50 ，另外還含有11 . 79的木二糖；以玉米芯木聚糖為底物時，酶解產物主要為木二糖和木三糖，含量分別為81 . 78和11 . 55 。

Get the inclusion bodies 2 ) western blot analysis of fusion protein expression ( 1 ) electrophoresis ( 2 ) transfer proteins from gel to membrane ( 3 ) blocking ( 4 ) incubation with primary antibody ( 5 ) enzyme conjugate incubation ( 6 ) substrate incubation. 3 ) gst detection module with cdnb enzymatic assay 3 purification of gst fusion proteins 1 the denaturalization of inclusion bodies. 2 purification using glutathione sepharose 4b column wash matrix with 1 pbs, prepare a 50 % slurry for batch purification method, pack column with matrix slurry

三、 gst一hbrp重組蛋白的純化1 .超聲破碎細胞，離心，上清和沉澱進行sds一page電泳分析2 .樣品處理提取包涵體，變性后，加人用pbs平衡過的以utal腸onesepb抓脫4b ，室溫下孵育3 .以utadtionesepharose4b柱純化以utad雲onesepharose4b柱的準備根據毛山lel ，決定純化所需的gll衛ta1如oneseph娜se4b的柱床體積，用預冷的1xpbs清洗cldtathionese戶， se4b ，得到50 %的基質

It was confirmed by restriction enzyme digestion analysis that egfp fusion expression plasmids of scfvs were successfully constructed

的序列正確，經酶切鑒定證實成功地構建了綠色熒光蛋白基因融合表達載體。

Electrochemical sensor is quite unique, because it combines the enzyme specificity with the sensitivity and convenience of electroanalytical techniques in a compact form to facilitate analysis

本文將納米粒子引入酶生物傳感器的制備過程中，主要做了下面兩個部分的工作:第一

Secondly, analysis of peroxidase isoenzyme with polyacrylamidedel electrophoresis for was performed in order to investigate the changes of gene expression under sound stimulation. it could be seen from electrophoresis gel that each group had 6 enzyme bands. new enzyme band in pod electrophoretogram was n ' t detected for stressed groups

此外，在部分實驗組的培養基中加入不同濃度的蛋白質合成抑制劑環己亞胺酮（ chm ）后發現， pod和cat的活性有所降低，暗示著聲波處理使保護酶活性升高的原因可能是聲波處理促進了細胞內酶的合成。

Abstract : the polymorphism of angiotensinogen gene at position 174 was studied in 90 cases of essential hypertension patients and 109 controls by pcr, restriction enzyme analysis and electrophoresis methods. the results showed the distribution of genetypes in hypertension group was significantly different from that of controls group. this suggested there is a correlation between the variant of agt174 and hypertension

摘要本文採用pcr 、限制性酶切和電泳分型等方法，分別對90例原發性高血壓患者和109例正常人血管緊張素原基因多態位點agt174進行了檢測，結果表明，高血壓組中三種基因型的分佈與對照組顯著不同，提高該位點變異與原發性高血壓的發生相關。

The ha 1 gene was inserted into the bacterial plasmid pgex - 4t - 2 and the recombinant plasmids containing ha 1 gene were identified by restriction enzyme analysis and pcr mathod

結果表明同源性分別達到98和97 ，並且在ha1切割位點有多個堿性氨基酸的插入序列，證明其為強毒株。

Acetylornithine deacetylase is the key enzyme of producting l - methionine. we mainly do research work on the construction of acetylornithine deacetylase gene - engineering strain and characteristic of proteinase. in order to get high expression deacetylase strain, we obtain the gene by pcr arge gene. the product ( 2800bp ) was cloned into puc19 plasmid and confirmed with blue / white dot screening > restriction enzyme analysis and pcr. then taking the nucleotide sequencing compared with the sequence at blast of u. s. a. we constructed a high expression of gene - engineering strain - pxj 128 which containing the arge gene on the high expressing system of pxji18 with activity of acetylornithine deacetylase above 20000u / g

為了獲得高效表達的脫乙酰鳥氨酸酶工程菌株，在工程菌技術改造及其固定化研究做了進一步的研究和探討。我們採用基因工程技術，通過pcr技術擴增出了酰化酶關鍵酶基因?脫乙酰鳥氨酸酶基因arge ，將其克隆到puc19載體中，經酶切鑒定、 pcr鑒定篩選出重組陽性質粒，並測序鑒定，通過美國blast程序進行了基因數據庫相似性比較分析。

For the products of primary rt - pcr and nested - pcr are all encompassing the hyper - variable region of vp2 gene, so we can take a restriction enzyme analysis ( rea ) directly

第二，本研究的基礎rt - pcr和nested - pcr所擴增的片段均是橫跨ibdv的vvp2的，所以，可直接對pcr產物進行酶切分型研究。

Proper multi - copy gene was selected and cloned into puc19 vector. restriction enzyme analysis and dna sequencing confirmed that 5 - copy gene was correctly inserted into the vector

選取合適拷貝數的串連重復基因，將其克隆至puc19載體，雙酶切、 pcr擴增和dna測序證明串連重復基因構建成功且基因方向相同。

We confirmed the correct construction by pcr and restriction enzyme analysis. in this research, hypocotyls were used as the explant and several factors affecting genetic transformation of carrot mediated by agrobacterium tumefaciens were studied

利用vp7基因和質粒pbi121上相同的單克隆位點，將vp7基因定向克隆到植物表達載體pbi121上，構建了pbi121vp7表達載體。

Conclusion : by restriction enzyme secting, ligating, transforming, restriction enzyme analysis, and final dna sequencing, the pbd - i and pbd - ii gene were proved to be recombinated with the expression vector and the recombinated vector ppd - 1 and ppd2 were transformed successfully

結論：經過酶切、連結，構建成重組質粒ppd上、 ppd上，再經轉化、抽提質粒及酶切分析，最後經dna測序證實， rticr擴增的pbd i 、 pbd 11基因與piflpdt 」 xsi表達載體構建成功。

After the pbd i and pbd ii gene ligated with the expression vector pinpoint ? a - 3, the recombinated plasmid ppd - 1 and ppd - 2 was transformed into jm109 strains, 4 positive clones were screened by restriction enzyme analysis, dna sequencing showed that two out of 4 positive clones inserted sequence of the constructed plasmid, which was the same as that of pbd - i and pbd - ii gene respectively, and its reading frame was correct, thus its could be used to express fusion protein

將pbd - 、 pbd -基因與表達載體pinpoint ~ （ tm ） xa - 3連結后獲得的重組質粒ppd - 1 、 ppd - 2轉化于大腸桿菌jm109中。經抽提質粒、酶切分析及pcr擴增，分別篩選到4個陽性克隆，將其中二個陽性克隆由測序分析，證實1個含pbd i基因片斷， 1個含pbd 11基因片斷，且閱讀框正確，可用於融合蛋白表達。

Ii ) two fragments ( about 240bp and 130bp ) were amplified from human keratinocytes total rna by rt - pcr. the recombinant pm - hpabl and pm - hpabs plasmids were constructed by inserting 240bp and 130bp pcr products into pmd 18 - t vector, respectively. the recombinants were identified by restriction enzyme analysis and dna sequencing, iii ) two orfs ( > 100bp ) were found in the insert sequence of pm - hpabl

應用smartpcr試劑盒和簡並引物從人皮膚角質形成細胞cdna中擴增到長分別為24obp和13obp左右的2種片段，將它們插入pmd18一t載體，用酶切法初步篩選陽性重組子pm . hrabl和pm一hrabs ，對陽性重組子進一步作測序鑒定。