氨端基 的英文怎麼說
中文拼音 [ānduānjī]
氨端基
英文
amino end group-
Recently, ldl apheresis has been applied in clinic and achieves a satisactory effect. in this dissertation, the tripeptide, serine - aspartic - glutamic acid ( sde ), which existes in the cooh - terminal end of the seven repeats in the ligand binding domain of the ldl receptor and plays an important role in identifying ldl, was synthetized and immobilized onto the polyacrylamide ( paam ) beads as a bionic adsorbent for selective removal of ldl from plasma
本論文以絲氨酰-天冬氨酰-谷氨酸( sde )負電性三肽(此三肽廣泛存在於ldl受體配體結合域7個重復序列的羧基末端,對ldl受體特異性識別ldl起著重要作用)作為配體固定到聚丙烯酰胺微球載體上製成仿生性ldl親和吸附劑,考察其對人血漿中ldl及hdl的吸附功效。Cloning and identification of chicken and pig bpi protein n - terminal fragment
氨基端的基因克隆和鑒定The protected amino acids were z - ser ( bzl ), boc - asp ( obzl ) and glu ( obzl ) 2. the quality of the synthesized tripeptide : ser - asp - glu ( sde ) by thin layer chromatography, amino acid analysis and liquid chromatography - mass spectrometry is pure. the paam beads with different length arms were obtained by coupling the various length linear spacer, such as ethylene diamine, glutaraldehyde, 1, 6 - diaminohexane and amino caproic acid to paam beads
按照從梭基端到氨基端的合成路線,用風n 』二環己基碳二亞胺( dcc ) l羥基苯驕三氮哩( hobt )液相合成法逐步接肽,制備得到對應的帶保護基的中間體,用催化氫化還原脫去所有的保護基。It ' s meaningful to study the function of rab proteins in ciliates and further to explicit the mechanism of vesicular trafficking. the rob gene was amplified from macronuclear dna of euplotes octocarinatus. the size of gene was 783 bp long with an orf of 624 bp encoding eorabl protein and containing three in - frame tga codes
本研究利用pcr技術從游仆蟲( euplotesoctocarinatus )大核dna中擴增出rab基因,並對該基因進行序列分析,該基因全長為783bp ,兩端為端粒序列,編碼框為624bp ,編碼207個氨基酸,開放讀框中有3個tga ,在此編碼半胱氨酸。The contents of this studies include : 1 ) according to the researches on the correlation between the function and structure of the cmiv from bombyx - moxi before by others, especially by lixinlal in naigin normal university of china, we have designed and sythesized the mutation i of the gene of cmiv that was different from the natural cmiv about 50 % in amino sequence, using the favorable condon of the ecoli. after cheked the result of synthesis by sequence, we have cloned the gene into 3 " of the gene of thioredoxin in the thio - fusion expression vector ( ptxfus ), and the fusion protein of thio - cmiv was highly expressed in soluble form
本研究的內容包括:一、在前人對抗菌肽cmiv研究的基礎上,對n端和c端進行氨基酸保守變換,設計和合成了該基因,充分使用大腸桿菌偏愛的密碼子,並將該基因5端與硫氧還蛋白基因3端融合,通過ptxfus表達載體獲得較高可溶性表達(在15 sds - page膠上可見明顯的表達蛋白帶) 。First, a terminal double bond was introduced into 3 - amino - 9 - ethylcarbazole ( aec ) via methacryloyl chloride to obtain the compound, 3 - ( n - methacryloyl ) amino - 9 - ethylcarbazole ( mec ). second, mec was copolymerized with butyl methacrylate to prepare the mec - immobilized polymer particles. the resultant polymer particles were used as a fluorescence probe, which was almost free of dye leaching, and had higher photostability in comparison with free aec
首先利用甲基丙烯酰氯向3 -氨基- 9 -乙基咔唑( aec )分子中引入末端雙鍵,得到帶末端雙鍵的熒光指示劑3 - ( n -甲基丙烯酰基)氨基- 9 -乙基咔唑( mec ) ,然後通過乳液聚合技術將mec共價固定到聚甲基丙烯酸丁酯基體上,制得一種共價固定了mec的聚合物顆粒。2. the sequence of si gene from ibv - lx4 strain was consisted of 1614 bp from initiation codon atg to the possible cleavage site of spike glycoprotein, encoding for a 18 - amino signal - peptide with the n terminus of si protein and a polypeptide of 537 - amino acids. 19 highly conserved, potential glycosylation sites and 17 cysteines residues were characterized with si protein, homology analysis showe that there were gene deletion -
S1基因:其全序列共1614bp (從起始密碼子atg到s前體蛋白裂解位點) ,編碼537個氨基酸,其氨基端有一編碼18個氨基酸的信號肽序列,第12 13位氨基酸殘基構成了信號肽的切割位點, 14 19位與111 124位氨基酸殘基為s1蛋白的跨膜區域。The results show that : four histidine derivatives from c - terminal were synthesized which is based on the forming peptide bonds, and obtained 58 - 73 % of compounds from boc - his ( tos ) - oh
實驗結果表明:採用多肽合成的方法得到了4個組氨酸羧基末端的衍生物,而且產率較高( 58 73 ) 。The length of this phytase gene is1506bp interrupted once by an intron of 102bp in the 5 " part of the gene, this intron contains donor sequence - gtatgc, lariat sequence - gctgac and acceptor sequence - cag which are typically conserved sequence of the intron of fungal phytase gene. this gene encodes a peptide of 467amino acid residues with molecular weight of 51. 37kda, containing 13 potential n - glycosylation sites and a signal peptide sequence made up of 19 amino acid residues at n teminal of the peptide
核苷酸序列分析表明, pcr擴增產物中包含有完整的phya基因,該基因全長1506bp ,其中包含一段長102bp的內含子,該內含子具有真菌植酸酶基因內含子的特徵保守序列: donor序列? gtatgc , lariat序列? gctgac及acceptor序列? cag 。該基因編碼467個氨基酸,理論分子量為51 . 37kda ,其上有13個潛在的n -糖基化位點, n端19個氨基酸為信號肽序列,植酸酶活性位點序列( crvtfaqvlsrhgaryptdskgk )位於氨基酸序列的+ 71 + 93 。Prepare the oligonucleotide probes designed 16 probes as four groups according to hla - dqa1 sequence in genbank and modify each probes by ammonia at 5 ' - end. then resuspended the lyophilized probes in ph = 9, 0
寡核苷酸探針的制備根據genbank數據庫新近公布的hla - dqa1等位基因序列,設計四組共16條特異性寡核苷酸分型探針,並在各5 』端做氨基修飾。It is most efficient in clearing the peptide bonds on the c-terminal side of such amino acids tyrosine.
它對裂開諸如酪氨酸這類氨基酸的羧基末端的側肽鏈最為有效。Angiotensin ii in rostral ventrolateral medulla mediates amino acids release from spinally projecting nerve terminals in the spinal cord
延髓頭端腹外側區血管緊張素對脊髓投射神經元氨基酸遞質釋放的調節Full - length or truncated cdna was subcloned into prokaryotic expression vector pet30a and expression induced in e. coli bl21 ( de3 ). no squalene synthase polypeptide of expected molecular mass was observed in e. coli containing the putative full - length squalene synthase cdna, however, overexpression in e. coli was achieved by truncating 30 hydrophobic amino acids at the carboxy terminus
但在含有全長的鯊烯合酶cdna的大腸桿菌中並沒有觀察到預期大小的鯊烯合酶表達,而c末端截短30個疏水氨基酸的鯊烯合酶可在大腸桿菌中過量表達。Filling flexibilizer, such as epoxy terminal block, polyurethane ether structure, thiokol and liquid ctbn to the system of expoxy - mannich amide, through the test on shear strength, bounding elasticity modulus and break strength of cured products, the different fuction could be found using different flexibilizers
摘要在環氧酚醛胺體系中使用端環氧基聚氨酯醚、聚硫橡膠、液體丁腈橡膠等活性增韌劑,通過對固化物剪切強度、彎曲彈性模量及斷裂強度的測試對比,可以看出不同增韌劑效果不同。The self - segregation behavior of amphiphilic copolymer on pdl - la scaffold was investigated via fluorescence - labeling technique. the modified scaffold with hydrophilic surface will not only favor the penetration of cell suspension and culture medium, but also provide the microenvironment for the growth of cells with the peo spacer combining amino acid ( rgd ) structure. according the above result, the cytocompatibility test was also performed on pdl - la 3d scaffold modified by amphiphilic copolymer with alkaline amino acid end
這種親水表面不僅有利於細胞懸液和培養介質的進入,並可以通過peo橋聯的氨基酸( rgd )為細胞在三維多孔支架內的生長提供類細胞外基質環境;根據以上結果,本文對堿性氨基酸為peo鏈端基的兩親共聚物-氨基酸類細胞外基質修飾的聚乳酸三維支架進行了細胞相容性的測試。The synthesis technology of various liquid rubbers with different active group terminated, such as hydroxyl - terminated, carboxyl - terminated, isocyanate - terminated, ami - no - terminated, mercaptan - terminated and various main chains like polybutadiene, polyurethane, polystyrene were reviewed with 23 references
摘要綜述了端羥基、端羧基、端異氰酸酯基、端氨基、端巰基等活性端基,以及聚丁二烯、聚氨酯、聚苯乙烯等不同主鏈結構的液體橡膠的合成技術。Testing of textiles ; quantitative analysis of amino end groups in polyamide fibres
紡織品試驗.對聚酰胺纖維中氨端基進行定量測The chondrocyte and osteoblast cytocompatibility test on amphiphilic copolymer - amino acid ( rgd ) hybrid modified pdl - la membranes showed that : the cell attachment, growth and activity were promoted on pdl - la membranes modified by amphiphilic copolymer with alkaline amino acids ( arginine and lysine ) and rgd end. the result also showed the effect of peo chain length of amphiphilic copolymer on cell attachment and growth
在兩親共聚物-氨基酸( rgd )修飾的聚乳酸平面材料上的軟骨細胞和成骨細胞相容性測試結果表明:以堿性氨基酸及rgd為活性端基的兩親共聚物改性聚乳酸體系,對細胞的粘附、生長及活性均有明顯的促進作用。Side chain polyurethanes with azo group are characterized and confirmed by ftir, uv - vis, dsc, vpo, z - scan, polarize microscope. the results show that the end - group and the flexibility of main chain affects the growing up of liquid crystalline phase greatly. because the determinable way of detection is defective, it was not founded the liquid crystalline behavior obviously contributes to the non1inear optical thection
最後,在分析討論實驗結果的基礎上,指出側鏈型聚氨酯液晶中側鏈介晶基元的末端基團及主鏈的柔性對其液晶態的形成有重要影響;由於檢測手段的不齊備,未能觀察到熔致型聚氨酯液晶的液晶行為對其非線性光學效應的貢獻作用。So, we subcloned emt - 1 gene into the prokaryotic fusion expression vector prsetb and generated a 24ku protein
為此將emt l氨基末端基因克隆入融合表達載體prsetb中,轉化大腸桿菌bl 21 ,經iptg誘導,表達his6 emt l融合蛋白,表達產物分子量約為24ku 。分享友人