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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.plaphy.2018.02.014
|2 doi
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|a pubmed25n0937.xml
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|a (DE-627)NLM281331839
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|a (NLM)29475086
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|a (PII)S0981-9428(18)30066-4
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Annenkov, Vadim V
|e verfasserin
|4 aut
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| 245 |
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|a Fluorescently-tagged polyamines for the staining of siliceous materials
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 12.07.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2018 Elsevier Masson SAS. All rights reserved.
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|a Siliceous frustules of diatom algae contain unique long-chain polyamines, including those having more than six nitrogen atoms. These polyamines participate in the formation of the siliceous frustules of the diatoms but their precise physiological role is not clear. The main hypotheses include formation of a polyamine and polyphosphate supramolecular matrix. We have synthesized novel fluorescent dyes from a synthetic oligomeric mixture of polyamines and the fluorophore 7-nitro-2,1,3-benzoxadiazole. The long polyamine chain ensures the high affinity of these dyes to silica, which allows their application in the staining of siliceous materials, such as valves of diatom algae and fossilized samples from sediments. The fluorescently stained diatom valves were found to be promising liquid flow tracers in hydrodynamic tests. Furthermore, complexation of the polyamine component of the dyes with carbonic polymeric acids results in changes to the visible spectrum of the fluorophore, which allows study of the stability of the complex vs the length of the polyamine chain. Using poly (vinyl phosphonic acid) as a model for phosphate functionality in silaffins (a potential matrix in the formation of biogenic silica) little complexation with the polyamine fluorophores was observed, bringing into question the role of a polyamine - polymeric phosphate matrix in biosilicification
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|a Journal Article
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|a Diatom algae
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|a Fluorescent dye
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|a HPLC
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|a NBD-Cl
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|a Polyacid
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|a Polyamine
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|a Biogenic Polyamines
|2 NLM
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|a Fluorescent Dyes
|2 NLM
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|a 4-Chloro-7-nitrobenzofurazan
|2 NLM
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|a EQF2794IRE
|2 NLM
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| 700 |
1 |
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|a Danilovtseva, Elena N
|e verfasserin
|4 aut
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| 700 |
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|a Pal'shin, Viktor A
|e verfasserin
|4 aut
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| 700 |
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|a Verkhozina, Olga N
|e verfasserin
|4 aut
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|a Shishlyannikova, Tatyana A
|e verfasserin
|4 aut
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|a Hickman, Graham J
|e verfasserin
|4 aut
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|a Perry, Carole C
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant physiology and biochemistry : PPB
|d 1991
|g 125(2018) vom: 01. Apr., Seite 205-211
|w (DE-627)NLM098178261
|x 1873-2690
|7 nnns
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|g volume:125
|g year:2018
|g day:01
|g month:04
|g pages:205-211
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|u http://dx.doi.org/10.1016/j.plaphy.2018.02.014
|3 Volltext
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