porphyrin 中文意思是什麼

porphyrin 解釋
n. 名詞 【生物化學】卟啉(類)。

  1. The chief differences between chlorophyll and heme are the presence of a magnesium atom in the center of the porphyrin ring.

    葉綠素和血紅素之間的主要的差別為在卟啉環中心存在一個鎂原子。
  2. Molecular recognition of zinc porphyrin dimers to dabco and corresponding thermodynamic study

    分子識別的立體構象及其熱力學研究
  3. However, after co - porphyrin is kept in 1, 4 - dioxane for two weeks, excited by 488nm, it shows apparent reverse saturable absorption and enhanced optical limiting effect, which can be attributed to the absorption cross - section change of exicited state in co - porphyrin derived probably from the production of co ( iii ) - porphyrin due to oxidation of 62 on co ( ii ) - porphyrin

    鈷卟啉( co ( ) tpp )對457 . 9nm 、 514 . 5nm和488nm波長的光都具有限幅作用,並對457 . 9nm波長的光呈現明顯的飽和吸收。放置半個月的樣品在488nm波長光的作用下表現出明顯的反飽和吸收,並且其光限幅特性在488nm處表現出增強效應。
  4. The research progress of porphyrin, host reagent, imprinting polymer, membrane system and complexes as mimetic enzymes are reviewed in detail

    摘要本文詳細評述了卟啉、主體試劑、印跡高分子、膜體系及配合物等作為模擬酶的研究和發展。
  5. 1 ) the synthesis and structural characterization of 5, 10, 15 - tris ( penta - fluorophenyl ) corrole and its corresponding [ 5, 10, 15 - tris ( pentafluorophenyl ) corrolato ] manganese ( iii ) ; 2 ) the synthesis and structural characterization of series of porphyrin and metalloporphyrins as follows : chloro [ 5, 10, 15, 20 - tetra ( p - methyl - phenyl ) - porphinato ] manganese ( iii ), chloro [ 5, 10, 15, 20 - tetra ( p - methyl - phenyl ) - porphinato ] iron ( iii ), [ 5, 10, 15, 20 - tetra ( p - methyl - phenyl ) - porphinato ] copper ( ) and - oxo - bis [ 5, 10, 15, 20 - tetra ( p - methyl - phenyl ) - porphinatomanganese ( iii ) ]. 2. in the third charpter, a highly selected silver electrode based on 5, 10, 15 - tris ( pentafluorophenyl ) corrole has been prepared, and its response was compared with that of metallo corrole counterpart and 5, 10, 15, 20 - tetra ( phenyl ) porphyrin

    3 、制備了以-氧-雙( 5 , 10 , 15 , 20 -四(對甲基苯基) )錳卟啉載體的鉬酸根選擇性電極,並與5 , 10 , 15 , 20 -四(對甲基苯基)鐵卟啉、 5 , 10 , 15 , 20 -四(對甲基苯基)錳卟啉、 5 , 10 , 15 , 20 -四(對甲基苯基)銅卟啉電極的響應性能進行了比較,對電極的膜組份進行了優化,並分別考查了電極的選擇性、 ph值影響、穩定性和壽命等,並將該電極應用於腐蝕抑制劑中鉬酸根的測定。
  6. Oxygen sensor based on palladium - porphyrin room - temperature phosphorescence quenching

    鈀卟啉室溫?光氧傳感器的研究
  7. 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。
  8. Progress on the studies of synthetic porphyrin chemistry

    卟啉化合物合成的最新研究進展
  9. The improved synthesis of meso - tetra 4 - methoxyl - 3 - sulfophenyl porphyrin

    卟啉合成方法的改進
  10. Synthesis progress of porphyrin reagents

    卟啉試劑合成的研究進展
  11. Direct oxidation of phenylethane with air catalyzed by manganese porphyrin

    催化空氣直接氧化乙苯的研究
  12. Effect of porphyrin insecticides agent on oxya chinensis and mechanisms

    卟啉殺蟲劑對稻蝗的毒殺作用及機理初探
  13. Synthesis of porphyrin - hydroquinone and study of molecular recognition to quinone

    氫醌卟啉的合成及其對醌的分子識別
  14. Porphyrin films electrodes prepared by chemisorption and the potentiometric stripping behavior of some metal ions

    卟啉修飾電極的制備及金屬離子的電位溶出行為
  15. A database search revealed that the putative sequence of the red gene shows 40 - 50 % identity with those of uroporphyrinogen iii methyltransferase ( encoded by coba gene ) from various kinds of bacteria. an over - expression of the coba gene in e. coli was reported to lead to an accumulation of trimethylated derivative of porphyrin termed trimethylpyrrocorphin and factor ii, which emit strong red fluorescence under uv

    在ddbj中搜索到多種細菌來源的coba基因(編碼uroporph仰nogenhmethyltransferase )與redsene有40 50的同源性,並據報道,其中一個來源於pmpboibaclerilllaslldelll切chit的coba的基因,轉人大腸桿菌、酵母菌及動物細胞后能使表達載體在紫外線下發射紅色熒光。
  16. Three porphyrin complexes of palladium were chosen as phosphorescence sensing molecules : palladium - meso - tetra ( trimethylaminophenyl ) porphyrin ( pd - tapp ), palladium - coporphyrin ( pdcp ) and palladium - meso - tetra ( p - sulfonicphenyl ) porphyrin ( pd - tspp ). they were bound to dowex resins, and made into oxygen sensor. we detected the characteristics such as sensitivities and response times combined with flow injection analysis ( fia ) technology

    選取了三種金屬鈀的卟啉配合物:四- (三甲氨基苯基)鈀卟啉( pd - tapp ) 、鈀糞卟啉( pd - cp ) 、四- (對磺酸基苯基)鈀卟啉( pd - tspp )作為磷光傳感分子,將其固定在dowex樹脂上,製成傳感器,並與流動注射分析技術( fia )結合起來,考察了其對氧的傳感靈敏性,時間響應特性等條件。
  17. The results showed that a function of length of the side chain has a dramatic effect on mesophase formation in the porphyrin free base and complex

    最後,研究了酚氧基( rcg )中烷基一)碳鏈長度對葉琳及金屬鋅葉琳配合物材料液晶性能的影響。
  18. Meso - tetra ( 4 - acyloxyphenyl ) pophyrin was prepared by usual procedure from acyl chloride and meso - tetra ( 4 - hydroxyphenyl ) porphyrin in benzene and obtained in 86. 4 % yield. treatment of the free base with zinc chloride in dimethyl formamide ( dmf ) - dichloromethane ( ch2cl2 ) yielded corresponding zinc porphyrin complex. the spectral data ( uv - visjr / h - nmr ) and elemental analysis are in agreement with the assigned structures

    在合成工作基礎上,採用紫外可見光譜( uv - vis ) 、紅外光聲光譜( ftir - pas ) 、核磁共振氫譜( ~ 1hnmr ) 、元素分析、摩爾電導等手段研究了卟啉及金屬卟啉材料的組成及結構。
  19. Examples of such metalloporphyrins are the iron porphyrins ( e. g. heme in hemoglobin ) and the magnesium porphyrin, chlorophyll, the photosynthetic pigment in plants

    例如金屬卟啉象鐵卟啉(如血紅素中的亞鐵)以及鎂卟啉、植物中的葉綠素與光合色素。
  20. This thesis consists of four chapters : ( 1 ) a review ; ( 2 ) study on the optical chemical membrane for detection of lead ion by using 2 - hydroxy - 1 - naphthaldehydene - 8 - aminoquinoline as fluorescence indicator ; ( 3 ) study on the optical chemical membrane for detection of lead ion by using meso - ( 4 - methyloxyphenyl ) porphyrin as fluorescence indicator ; ( 4 ) study on the optical chemical membrane for detection of lead ion by using 2 - methene - benzimidazole monoaza - 18 - crown - 6 as fluorescence indicator. in chapter one, the laboratory method for determination of lead ion, the progresses of chemical sensor for detection of lead ion recently and the introduction of the basic theory, relative merits of sol - gel and its application in optical chemical sensor were involved

    第二章利用有機改性的溶膠-凝膠包埋方式,以2 -羥基- 1 -萘甲醛- 8 -氨基喹啉為熒光指示探針,結合正交實驗方法探索了幾個重要因素,如加水量、醇硅比、催化劑、添加劑等對成膜性的影響,制備了對水中鉛離子有較好響應的傳感膜,其線性范圍為1 . 0 10 - 7 ~ 5 . 0 10 - 5mol / l ,檢測限為3 . 6 10 - 8mol / l 。
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