敏化熒光 的英文怎麼說
中文拼音 [mǐnhuàyíngguāng]
敏化熒光
英文
sensitized fluorescence-
According to the principle of energy transfer, an opto - chemical sensor with higher sensitivity to detect picric acid by using the mixture of porphyrin dimer and anthracene as fluorescent carrier has been developed
基於能量轉移原理,採用卟啉二聚體和蒽的混雜體系作為熒光載體研製了一種靈敏度更高的苦味酸光化學傳感器。Abstract : the effects of terbium ion on the conformation of calmodulin and on the interaction between calmodulin and melittin have been studied by the endogenous fluorescent spectrometry of calmodulin and melittin, and the sensitized fluorescent spectrometry of terbium ion, respectively. the results show that terbium ions have a tight binding site in the i and ii metal - binding sites of calmodulin. the conformation of calmodulin induced by terbium ion can bind melittin and transfer the tryptophane residue of melittin to a relatively hydrophobic environment, while the binding of melittin to calmodulin produces effect on the binding orders of terbium ion in camodulin. results from ft - ir spectrometry have revealed that upon binding of lanthanum ion, apo - calmodulin undergoes a conformational change with the increase of - helix content and the decrease of - sheet content. melittin ' s binding to calmodulin has no effect on its conformation induced by the binding of lanthanum ion to calmodulin
文摘:分別用鈣調蛋白和蜂毒素的內源熒光光譜以及鋱離子的敏化熒光光譜考察了鋱離子對鈣調蛋白構象變化以及對鈣調蛋白與蜂毒素相互作用的影響.結果表明,鋱離子首先結合在鈣調蛋白的第和第位點,鋱離子不影響鈣調蛋白與蜂毒素的相互作用,蜂毒素與鈣調蛋白作用后不影響鋱離子在鈣調蛋白上的鍵合順序.傅里葉變換紅外光譜結果表明三價的鑭離子與鈣調蛋白作用使鈣調蛋白的螺旋結構增加,折疊結構減少,與鈣離子對它的二級結構影響相類似.稀土離子在鈣調蛋白-蜂毒素復合體系中主要與鈣調蛋白作用Although this method gives high sensitivity, the radioactive labels present many problems such as a potential hazard to analyst and environment, which limited its application in dna diagnostic laboratories. in order to overcome these problems a serious of non - radioactive dna probes such as fluorescent, chemiluminescent and electrochemical probes have been developed. although these new methods display many advantages, they have not been used to take place completely the traditional method because of low sensitivity or complex equipment or other shortcomings
自20世紀80年代以來,各種非同位素如酶、熒光素、生物素、地高辛標記的化學發光法和熒光分析法以及以電活性物質做標記的電化學方法相繼問世,這些方法雖然在一定程度上克服了同位素標記的缺陷,但由於存在靈敏度不夠高或檢測系統龐雜或儀器價格昂貴或標記物不穩定等缺陷,還不能完全取代傳統方法。In varous determination systems, the potassium bromate - organicdye system and the system based on nitrosation reaction arc the main systems for determination of nitrite by fluorophotometry in the present time, and using the surface active agent to enhance determination sensitivity is the research content and one of directions
在各種測定體系中,溴酸鉀有機染料體系和基於亞硝化反應體系是目前熒光光度法測定亞硝酸根的主要體系,利用表面活性劑提高測定的靈敏度是研究內容和方向之一。Cupric nitrate is used as catalyst, oxidizer, activating agent for luminescent powder, and photosensitive resistance materials
硝酸銅用作催化劑氧化劑熒光粉激活劑及光敏電阻材料等。The influence of y _ 2o _ 2s : eu phosphors fluorescent spectra, chroma and luminescence intensity is systematically studied when different concentration of europium is adulterated into different phosphors by means of xrd, fluorescent spectra analysis, time - basing spectra analysis, long - persistent fluorescent spectra analysis and so on ; the influence on y2c > 2s : eu phosphors structure, luminescence intensity and long - persistent curve is investigated when different concentration of mg24 " > ti4 " 1 " is adulterated into different phosphors, finding the most suited concentration of mg2 " * ti4 " 1 " ; base on the suited concentration of mg2 + > ti4 +, the influence rule on phosphors luminescence intensity and long - persistent curve with changing of eu + concentration is also studies. at the same time, by using rare - earths metals adulteration and theory of chroma synthesis, the possibility of sensitized buildup of phosphors and the synthesis of different color long - persistent phosphors is also researched
應用x射線粉末衍射( xrd ) 、熒光光譜、時間分辨光譜及磷光體長余輝壽命測試等綜合實驗手段,較系統地研究了摻雜eu對熒光體y2o2s : eu熒光體的發光光譜、色度和發光強度的影響;研究了不同mg , ti含量對磷光體基質結構性能、發光強度與余輝曲線的影響及其適宜的摻雜濃度;基此,研究了在給定mg , ti含量時,不同eu摻量對磷光體發光強度和余輝的影響規律;從稀土摻雜和色度合成原理分別探討了eu的發光敏化增強和制備不同光色長余輝磷光體的可能性。The polarization ratio, p = 0. 87, was obtained in this case. the composite film of zinc oxide and copper phthalocyanine ( cupcrn ) was prepared by modifying the surface of zinc oxide thin films with cupcrn
同時,對氧化鋅?酞菁銅復合薄膜的熒光性能研究表明,酞菁銅的存在對氧化鋅薄膜426nm的熒光有很好的敏化作用,其偏振比為0 . 89 。The performance of the probe has an important effect on the performance of the biosensor. therefore, it is critical for advancing the detection sensitivity of the biosensor to design and optimize the structure of the probe to improve the excitation and collection efficiency
光纖探針的性能對光纖生物傳感器的整體性能有著極為重要的影響,如何設計並優化光纖探針結構以提高熒光信號的激發和收集效率,將成為提高光纖倏逝波生物傳感器探測靈敏度的關鍵。In this paper, several novel techniques of immobilizing indicators are developed in order to anchor the indicators in supporting materials of the sensing layers
本論文提出了幾種新的熒光指示劑染料的固定化方法,將熒光指示劑牢固地固定在敏感層支持體材料上。Fluorescein and porphyrin have been linked by an alkyl chain, and been firstly used as a fluorescence carrier of opto - chemical sensors. based on the principle of energy transfer, it examined the iodine in the aqueous solution with high sensitivity and wide detection range
通過脂肪鏈把熒光素和卟啉連接起來,並首次把它作為熒光載體應用於光化學傳感器的研製,基於分子內能量轉移原理檢測了水溶液中的單質碘,該傳感器靈敏度高,檢測范圍寬。It is interesting to find that the green - emission band in solvent solution has been quenched, meanwhile, the blue - emission band appeared at the present of b - cd, suggesting that molecular materials have sensitive to the micro - circumstance and have potential application for fluorescence probe
這種由極性環境到非極性環境引起的發射光峰位明顯變化特性,即對微環境的敏感性,具有作為熒光探針的潛在性能。The quantitative determination of protein and dna is a common analysis contents in biology chemistry and life science. so it is very important to find fluorescence probe with high sensitivity and low detection limit
對蛋白質和dna進行定量測定是生物化學和生命科學中經常涉及的分析內容,建立高靈敏度、低檢測限的熒光探針定量測定的方法仍具有重要意義。The high sensitivity for co is intimately correlated with the amount of sn4 + replacing fe3 + of a - fe2o3. ( 2 ) the results of drs showed that doping sn4 + ca n ' t effectively change the band - gap breadth of a - fe2o3
( 2 ) drs 、 sps 、 xps和熒光光譜等結果表明,摻錫后其能隙寬度變化不大;證實氧負離子的吸附是摻適量錫( 0 . 5 1 . 5mol )有較好氣敏性能的主要原因。分享友人