Articles with "citric acid" as a keyword



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Adsorption and Selective Recovery of Citric Acid with Poly(4-vinylpyridine).

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Published in 2017 at "ChemSusChem"

DOI: 10.1002/cssc.201701672

Abstract: Citric acid (CA) is an important organic acid that is produced on a large scale by fermentation. Current methods to recover CA from the fermentation broth require large amounts of chemicals and produce considerable amounts… read more here.

Keywords: citric acid; recovery; adsorption; poly vinylpyridine ... See more keywords
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Green dispersive solid-phase microextraction of melamine using crosslinked beta-cyclodextrin with citric acid followed by high-performance liquid chromatography.

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Published in 2023 at "Journal of separation science"

DOI: 10.1002/jssc.202300132

Abstract: In this research, a green approach for dispersive solid phase microextraction was introduced for the extraction and determination of melamine in various matrices such as infant formula and hot water in a melamine bowl. In… read more here.

Keywords: dispersive solid; melamine; phase microextraction; solid phase ... See more keywords
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Evaluating the performance of citric acid as stabilizer and doping agent in an environment friendly approach to prepare electromagnetic nanocomposite particles

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Published in 2018 at "Polymer Composites"

DOI: 10.1002/pc.24577

Abstract: The objective of this investigation is to find a less-expensive and less-toxic environmentally benign route for the preparation of magnetic PANI nanocomposite particles. For this citric acid, a weak organic tricarboxylic acid has been used… read more here.

Keywords: citric acid; stabilizer doping; doping agent; fe3o4 ... See more keywords
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In Situ Confining Citric Acid-Derived Carbon Dots for Full-Color Room-Temperature Phosphorescence.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202205916

Abstract: Room-temperature phosphorescence has received much attention owing to its potential applications in information encryption and bioelectronics. However, the preparation of full-color single-component-derived phosphorescent materials remains a challenge. Herein, a facile in situ confining strategy is… read more here.

Keywords: full color; room temperature; phosphorescence; citric acid ... See more keywords
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Effects of Corn Straw and Citric Acid on Removal of PAHs in Contaminated Soil Related to Changing of Bacterial Community and Functional Gene Expression

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Published in 2022 at "Bulletin of Environmental Contamination and Toxicology"

DOI: 10.1007/s00128-022-03477-8

Abstract: Root exudates can stimulate microbial degradation in rhizosphere, but it is unclear whether the rhizodegradation of polycyclic aromatic hydrocarbons (PAHs) occurs in corn straw-amended soil. Either citric acid or corn straw was added into PAHs-contaminated… read more here.

Keywords: corn straw; citric acid; corn; soil ... See more keywords
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Functional analysis of the mitochondrial alternative oxidase gene (aox1) from Aspergillus niger CGMCC 10142 and its effects on citric acid production

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Published in 2018 at "Applied Microbiology and Biotechnology"

DOI: 10.1007/s00253-018-9197-9

Abstract: In this work, we constructed the aox1 disruption strains 3–4 and 4–10, as well as the aox1 overexpression strains 72 and 102 in Aspergillus niger. The energy metabolism, EMP, TCA pathways, and flux were investigated… read more here.

Keywords: aspergillus niger; citric acid; overexpression; rate ... See more keywords
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Synthesis of citric-acid-based dendrimers decorated with ferrocenyl groups and investigation of their electroactivity

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Published in 2017 at "Polymer Bulletin"

DOI: 10.1007/s00289-017-1930-5

Abstract: Fc (ferrocene)-functionalized citric acid dendrimers were successfully synthesized via the reaction of citric acid dendrimers with ferrocene methanol using dicyclohexylcarbodiimide. ClOC–PEG–COCl was used as the core, and the related dendrimers were synthesized divergently. Subsequently, each… read more here.

Keywords: citric acid; acid based; acid; synthesis citric ... See more keywords
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Old corrugated box (OCB)-based cellulose nanofiber-reinforced and citric acid-cross-linked TSP–guar gum composite film

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Published in 2020 at "Polymer Bulletin"

DOI: 10.1007/s00289-020-03138-y

Abstract: Old corrugated box (OCB) as a raw material was treated using alkali, acetic acid with NaClO and hydrogen peroxide to extract partially purified cellulose microfibers. FTIR and XRD analysis indicates the significant removal of non-cellulosic… read more here.

Keywords: citric acid; corrugated box; box ocb; cross ... See more keywords
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Improved filter media with PVA/citric acid/Triton X-100 nanofibers for filtration of nanoparticles from air

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Published in 2020 at "Polymer Bulletin"

DOI: 10.1007/s00289-020-03431-w

Abstract: Poly(vinyl alcohol) nanofibers for air filtration were produced by electrospinning using citric acid and different concentrations of Triton X-100 surfactant that enhances nanofibers production by electrospinning. Filtration tests with nanoparticles (5.94–224.7 nm) and tests of… read more here.

Keywords: citric acid; improved filter; triton 100; filtration ... See more keywords
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High-efficient production of citric acid by Aspergillus niger from high concentration of substrate based on the staged-addition glucoamylase strategy

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Published in 2017 at "Bioprocess and Biosystems Engineering"

DOI: 10.1007/s00449-017-1753-7

Abstract: Citric acid (CA), an important platform-compound, has attracted much attention because of its broad applications and huge market demand. To solve high residual sugar at the fermentation end, we put forwarded strategy of pre-saccharification and… read more here.

Keywords: citric acid; staged addition; strategy; glucoamylase strategy ... See more keywords
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Theoretical study of formate, tartrate, tartronate, and glycolate production from 6-carbon trioxylate intermediate in the citric acid cycle

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Published in 2019 at "Journal of Molecular Modeling"

DOI: 10.1007/s00894-019-4240-z

Abstract: Reaction pathways of side products (formate, glycolate, and tartronate) from dihydroxyfumarate (DHF) were theoretically investigated as DHF is an intermediate in the process of producing tartrates and oxalate from glyoxylate of the citric acid cycle.… read more here.

Keywords: citric acid; energy; acid cycle; reaction ... See more keywords