親水相的 的英文怎麼說
中文拼音 [qīnshuǐxiāngde]
親水相的
英文
aqueous favoring-
A method to calculate quantitatively the adsorption volume or adsorption space of per mass of adsorbent derived from both the adsorbed molecule volume and the maximum adsorbance of a solute in an adsorption isotherm under a given experimential condition is presented firstly for a solid / liquid adsorption system of the solute in a dilute aqueous solution. this method is suitable for not only mono - layer adsorption, but also mani - layer adsorption and micelle adsorpion of surfactant constructed by hydrophile and lipophile groups. therefore, the surface concentration of the adsorbate, cs, deduced from the adsorption volume is possessed of the meaning of true concentration, and the value of the patition coefficient of the adsorbate between solid and liquid phass, p, attained by the cs and the c, solution concentration of the adsorbate, can be accurate. the foregoing a set of calculations are presented for the solid - liquid adsorption systems consisted of the wool fiber and separately dodecyltrimethyl - ammonium bromide ( dtab ) and hexadecyltrimethyl - ammonium bromide ( ctab ) in this paper. this provides a strong basis for adsorption thermodynamic investigation of adsorbate
對稀溶液中溶質的固/液吸附體系,首次提出了根據吸附分子體積和實驗條件下吸附等溫線中的最大吸附量計算單位質量吸附劑的吸附體積或吸附空間的方法.此法適用於單層吸附,也適用於多層吸附和具有親水親油結構的表面活性劑分子的膠團吸附.由此,吸附質的表面相濃度cs具有真實濃度的含義,相應地,計算得到的溶質的固/液分配系數p就有了準確值.分別計算由溴代十二烷基三甲銨( dtab )和溴代十六烷基三甲銨( ctab )與羊毛纖維構成的液/固體系分配系數等,為溶質吸附的熱力學研究奠定了基礎The ability of counterion so42 - to improve fc16ab monolayer ' s compressibility is poorer than cl -. with the technology of lb film, the monomolecular film of fc16ab was deposited on to quartz and caf2 with hydrophilic surfaces on ultrapure water subphase, y - type lb film of transfer ratio approaching to 1 is obtained. the lb film is demonstrated with uv - vis, ft - ir spectra
利用lb膜技術將不同亞相上的fc _ ( 16 ) ab單分子膜沉積到具有親水表面的石英基片和caf _ 2基片上,得到轉移比接近1的y -型lb膜,並用uv - vis 、 ft - ir光譜lb膜進行了表徵。In this paper, the relationship between cyanide - resistant respiration and expression of alternative oxidase ( aox ) using polyantibodies prepared by synthetic polypeptide in mung bean seedling, as well as the effects of vernalization on cyanide - resistant respiration and expression of aox in winter wheat were studied respectively. in the first part, twelve peptides, including eight conservative amino acid residues in the amino acid sequence of hydrophilic s helix of aox. were synthesized by solid - phase method
第一部分,我們按照交替氧化酶( alternativeoxidase , aox )位於線粒體內膜外側親水區s螺旋的氨基酸序列,用固相法合成由12個氨基酸殘基組成的多肽,將此多肽與-牛胰凝乳蛋白酶原a相連,用作半抗原,免疫家兔制備人工合成12肽的抗體。The results indicate : ( 1 ) the photocatalytic activity and hydrophilicity of tio2 film are affected by the factors of thickness, porosity and heat - treated temperature which lead to the changes of the hydroxyl content, adsorbability and surface roughness of the film
熱處理溫度、薄膜厚度、孔隙率等因素對摻銀的tio :薄膜、 tioz一snoz 、 tioz一fezo3復合薄膜光催化和親水性能的影響與對純tio :薄膜的影響相似。Organobentonite is a kind of hydrophobic bentonite which prepared by exchanging inorganic cations in the layer of bentonite with organic cations or compounds. it combines inorganic bentonite ' s excellent dilatability, adsorption and dispersion with huge hydrophobic area, so it has very good affinity for organic substance, has been widely used in all kinds of organic system
有機膨潤土是用有機陽離子或有機化合物與膨潤土層間的無機陽離子發生交換而生成的一種疏水親油的膨潤土。由於其既具有無機膨潤土優良的膨脹性、吸附性和分散性,又具有疏水親油性的巨大比表面,與有機物具有很好的親和性和相容性,己被廣泛應用於各種有機體系。The 3t3 mouse fibroblasts and human endothelial cells cultured on the surface of the implanted pp showed much better attachment and proliferation than that for controlled pp. at the same time, the cooft ion implantation also exhibited low macrophage attachment with normal cellular morphology. the above results can cause positive effects on the biocompa tibility when it is used as implant material
研究表明,離子注入后聚丙烯表面的親水性和血液相容性研究表明,通過對pp表面進行cooh ~ +離子注入處理,可以降低其表面能和水接觸角,提高其抗凝血性能和抗鈣化性能,並且pp的抗凝血性能與cooh ~ +離子的注入劑量具有很大的相關性。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。" these are all so many empty words, my dear sir, " said morcerf : " they might satisfy a new acquaintance, but the comte de morcerf does not rank in that list ; and when a man like him comes to another, recalls to him his plighted word, and this man fails to redeem the pledge, he has at least a right to exact from him a good reason for so doing.
「這些話都聽上去空空洞洞的,我親愛的先生, 」馬爾塞夫說。 「這些話也許可以讓一個萍水相逢的朋友感到滿足,但馬爾塞夫伯爵卻並不是一個萍水相逢的朋友。他以這樣的身份去拜訪另外一個人,要求對方履行諾言的時候,如果這個人不能履行他自己的諾言,那麼他起碼應該提出一個充分的理由。 」Quantitatively describing the principle of protein - protein interactions and recognition in molecular level is the key point for understanding the relationship between structure and function of protein complexes and designing protein complexes, hi these interactions among proteins, electrostatic and hydrophobic interactions are the two most important ones, which let protein molecules bond systematically
在分子水平上定量地闡明蛋白質分子之間的親合力和相互識別的機制,是正確地認識蛋白質聚集體結構和功能之間的關系併合理地設計出有用的蛋白質分子聚集體的關鍵。蛋白質分子間相互作用,其中最主要的是靜電和疏水相互作用,使蛋白質分子能有序地結合在一起。Analyzing the treated yak hairs with sem, xps and et al, it showed under the same conditions, the effect of etching is enhanced with the increasing of power of wave, and the hydrophilicity and dyeing rate enhanced obviously
通過sem 、 xps及吸附性能等的分析,結果表明,在相同參數的等離子體條件下,隨著產生等離子體的微波功率的增大,對氂牛毛纖維表面的刻蝕效果增強;經過等離子體處理過的氂牛毛纖維的親水性,上染率等都有明顯的提高,說明該方法是一條切實可行的路線。Thus, the system could be kept at a lower super - saturation state under the condition of higher concentration of ca2 + to obtain aragonite whisker. the surface of aragonite must be modified to overcome the shortcomings leading to poor dispersion and combination with polymer materials
為了解決作為無機填料由於表面親水疏油而在聚合物材料內部分散性差、與高聚物本體結合力差等的缺點,必須對文石相碳酸鈣晶須進行表面改性。A novel aqueous two - phase system can be formed by the mixtures of a polymer and cationicanionic surfactants. such a system can be used as a partitioning system of proteins. in this work, we investigated the formation, phase behavior and protein partitioning in aqueous two - phase systems formed by dodecyltriethylammonium bromide / sodium dodecylsulfate / peg and dodecyltriethylammonium bromide / sodium dodecylsulfate / dextran. the ligands with affinity were attached to the polymers and the affinity partitioning of proteins was investigated. it was shown that the surfactants and polymers are enriched in different phases of aqueous two - phase systems. phase separation are promoted by increasing temperature and adding inorganic salts. different proteins are partitioned in different phases. the selectivity of protein partitioning is increased by adding ligands with affinity
報道了由正負離子表面活性劑與高聚物混合溶液形成的一種可用於蛋白質的分離及分析的新型雙水相萃取體系.研究了正負離子表面活性劑(溴化十二烷基三乙銨/十二烷基硫酸鈉)分別與葡聚糖和聚乙二醇混合雙水相體系的形成規律、相行為及牛血清蛋白和溶菌酶在雙水相體系中的分配.通過在高聚物分子中接上親和配基,研究蛋白質在雙水相體系中的親和分配.結果表明,在該體系中,表面活性劑與高聚物分別富集於不同相中.升高溫度及加入無機鹽均可促進雙水相體系的形成,不同蛋白質可分配于不同的相中.親和配基的引入極大地增強了蛋白質分配的選擇性The two prescriptions that hpmc or hec respectively blended with nl demonstrate the different comprehensive performance and the former is better than the latter, but they are not good as nl with pva blended ; cmc and hec blended with ptfe have worse performances than that blended with nl ; compared with the binders of njl and nl, njl is beneficial to the electrochemical properties and disadvantagous to the electrode ' s formation, but nl is the very contrary
天然乳膠中加入hpmc或hpc作為復合粘結劑時,前者粘結負極的成型工藝性和電化學性能都優於後者,但與加入pva相比,電極的綜合性能比較差。 ptfe與親水性物質如cmc 、 hec等組合成的混合粘結劑的粘結負極的性能不如對應nl粘結負極的性能。3. experimental conditions for formation of pure urease langmuir films at the air / water interface and the stability of such films have been studied. the transfer ratios of the langmuir films onto the surface of hydrophilic and hydrophobic sicvsi substrates have been determined
研究了亞相中眠酶在空氣水界面形成純腺酶langmuir膜的適宜實驗條件和膜的穩定性;測定了純腺酶langmuir膜轉移到親水性和憎水性si0 si基片表面的轉移率。By virtue of their different chemical properties, some amino acids are attracted to each other ( for example, oppositely charged amino acids ) and so will associate ; other amino acids will try to avoid water ( because they are greasy ) and so will drive the protein into a compact shape that excludes water from contacting most of the amino acids that " hide " in the core of this compacted protein
由於氨基酸各不相同的化學屬性,有些氨基酸會因為互相吸引(比如電荷相反的氨基酸)會連接在一起;還有些氨基酸因為不親水(因為它們是油性的) ,它們就會驅使蛋白質形成一個緊湊的形狀,以至於不讓水碰到藏在蛋白質核心中的氨基酸。In the packing of amphiphilic molecules, like units of the molecules interact with each other, i. e., the polar units associate with each other ; likewise, nonpolar unites associate to form hydrocarbon layers in the lamellar packing
在層狀相中雙親分子的堆積類似於分子單元間的相互作用,即極性基團與極性基團締合形成親水層,而非極性基團之間締合形成疏水層。This is due to three reasons : ( 1 ) sio2 influenced the phase behavior of suspensions, shifted the bimodal to lower nonsolvltil concentrations, so that it changed the skin characteristics and pore structure. ( 2 ) there was a kind of interfaeial micro - void ( this is the spaces between the phase of polymer matrix and distributive sio2 particles or ca phase ) existing in the membrane. this enhanced interconnectivity of the membrane pores
原因在於: sio _ 2影響鑄膜液的分相條件,繼而影響膜的表皮成孔性和膜孔結構; sio _ 2在膜基質中的存在,使平板膜變為多相結構,相與相之間的界面空隙形成了界面微孔,增加了膜孔的連通性: sio _ 2表面有許多si - oh基團,增加了膜的親水性。The cdna of subunit b was 1470 nucleotides long coding for 489 amino acids with a conservative atp binding site " 324 - sgsit - 328 " and a predicted molecular mass of 54. 29 kda. amino acid sequence alignment analysis suggested that the v - h + - atpase b subunit of s. salsa had high homology with other reported v - h + - atpase subunit b. the h + - atpase subunit h from s. salsa was a hydrophilic protein with 465 amino acids and a predicted molecular mass of 52. 8 kda, which was encoded by a cdna with 1398 nucleotides in orf. blast analysis indicated that the h + - atpase subunit h from s. salsa had a high amino acid sequence identity with those coming from plants, but had relatively low sequence identity with those coming from other species
鹽地堿蓬液泡膜h ~ + - atpaseb亞基是由1470個核苷酸編碼的長達489個氨基酸的多肽,分子量約54 . 29kda ,存在保守的atp結合序列「 324 - sgsit - 328 」 ,與其他物種來源的v - h ~ + - atpaseb亞基具有較高的氨基酸序列相似性; h亞基為親水多肽,開放閱讀框長達1398 - bp ,編碼465個氨基酸殘基,分子量約52 . 8kda ,與植物來源的液泡膜h ~ + - atpaseh亞基具有較高的氨基酸序列相似性,而與其他物種來源的v - h ~ + - atpaseh亞基同源性較低; c亞基開放閱讀框為495 - bp ,編碼164個氨基酸殘基,分子量約16 . 6kda ,為一跨膜多肽,存在四個可能的跨膜區。The paper put forward an aim to deposit n - doped titanium dioxide film on glass substrate by the atmospheric pressure chemical vapor deposition ( apcvd ) method. using ticl4 and oa as precursors, titanium dioxide thin films had been deposited by apcvd method. nitrogen had also been doped in the film when n2o gas was added as the dopant
在實驗室條件下以ticl _ 4和o _ 2為先驅體,採用常壓化學氣相沉積法( apcvd )制備得到具有一定光催化性和親水性的tio _ 2薄膜,並且以n _ 2o作為摻雜劑,對薄膜進行了n的摻雜,在一定程度上提高了薄膜可見光照射下的光催化性和親水性。In order to probe the reason of the obvious improvement in the biocompatibility of implanted pp, the surface chemical structure was characterized. results showed that cooh + ion implantation caused the formation of some new o - containing groups, which was responsible for the enhancement of the biocompatibility of pp
離子注入后聚丙烯表面的細胞吸附性研究表明,通過對pp表面進行cooh ~ +離子注入處理,三種細胞的生長形態要比未處理的pp樣品優良,這顯然與表面化學結構的變化和親水性的改善密切相關。分享友人