Search Results - "Billing, Johan"
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Fast identification of selective resins for removal of genotoxic aminopyridine impurities via screening of molecularly imprinted polymer libraries
Published in Journal of Chromatography A (25-04-2014)“…•Removal of aminopyridines can be achieved by using molecularly imprinted polymers.•MIPs are effective adsorbents for GTI removal from model API solutions.•A…”
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2
Solid-phase extraction of the alcohol abuse biomarker phosphatidylethanol using newly synthesized polymeric sorbent materials containing quaternary heterocyclic groups
Published in Journal of Chromatography A (13-10-2017)“…•A new polymeric sorbent material for the solid-phase extraction of PEth in human blood has been designed.•A solid-phase extraction protocol for PEth recovery…”
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3
C 2-Symmetric Macrocyclic Carbohydrate/Amino Acid Hybrids through Copper(I)-Catalyzed Formation of 1,2,3-Triazoles
Published in Journal of organic chemistry (10-06-2005)“…An efficient method was developed for the preparation of macrocyclic carbohydrate/amino acid hybrids by macrocyclization with copper(I)-catalyzed…”
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4
Development of an improved method for trace analysis of chloramphenicol using molecularly imprinted polymers
Published in Journal of Chromatography A (07-12-2007)“…A confirmatory method is described for the determination of the illegal antibiotic chloramphenicol using a specifically developed molecularly imprinted polymer…”
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Journal Article Conference Proceeding -
5
Cyclic peptides containing a δ-sugar amino acid—synthesis and evaluation as artificial receptors
Published in Tetrahedron (2005)“…An Fmoc-protected δ-sugar amino acid, prepared by oxidation of a glucosamine derivative, was coupled to three different tripeptide tert-butyl esters…”
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6
Synthesis of a C3-symmetric macrocycle with alternating sugar amino acid and tyrosine residues
Published in Tetrahedron letters (07-02-2005)“…A C3-symmetric macrocycle with alternating sugar amino acid and tyrosine residues was synthesized in seven steps from tyrosine tert-butyl ester and a sugar…”
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Journal Article -
7
C2-Symmetric Macrocyclic Carbohydrate/Amino Acid Hybrids through Copper(I)-Catalyzed Formation of 1,2,3-Triazoles
Published in Journal of organic chemistry (10-06-2005)“…An efficient method was developed for the preparation of macrocyclic carbohydrate/amino acid hybrids by macrocyclization with copper(I)-catalyzed…”
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Journal Article -
8
Studies towards enantioselective surface imprinted polymers
Published in Journal of separation science (01-10-2009)“…Molecularly imprinted polymers (MIPs) are tailor-made materials that can specifically rebind desired target molecules. Usually, the template is in solution…”
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Solvent-free synthesis of chiral molecularly imprinted polymers: Porosity control using a nano-sized solid porogen
Published in Journal of applied polymer science (05-11-2016)“…ABSTRACT Molecularly imprinted polymers (MIPs) have been synthesized in the absence of a solvent using fumed silica nanoparticles to create a porous network…”
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Journal Article -
10
Selective extraction of triazine herbicides based on a combination of membrane assisted solvent extraction and molecularly imprinted solid phase extraction
Published in Journal of Chromatography A (04-02-2011)“…A selective extraction technique based on the combination of membrane assisted solvent extraction and molecularly imprinted solid phase extraction for triazine…”
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Journal Article -
11
Uniform Pores in Cross-Linked Polymers by Dispersed Fumed Silica Templating
Published in Macromolecules (14-07-2015)“…Hydrophobic fumed silica dispersions in organic monomers were explored as a pore-forming system in polymer synthesis. The method developed provides a simple…”
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Journal Article -
12
Selective scavenging of the genotoxic impurity methyl p-toluenesulfonate from pharmaceutical formulations
Published in Separation and purification technology (2013)“…► Removal of methyl p-toluenesulfonate can be achieved with a simple scavenging approach. ► Scavengers behave additionally as ion exchangers. ► Scavengers bind…”
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13
Removal of Acrolein from Active Pharmaceutical Ingredients Using Aldehyde Scavengers
Published in Organic process research & development (15-06-2012)“…A variety of chemical compounds, intermediates, and reagents are used during the process of synthesizing active pharmaceutical ingredients (APIs). Some of…”
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14
Utilizing the Cross-Reactivity of MIPs
Published in Advances in biochemical engineering, biotechnology (01-01-2015)“…The crossreactivity of molecularly imprinted polymers (MIPs) and its practical implications are discussed. Screening of MIP libraries is presented as a…”
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Journal Article -
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Studies towards enantioselective surface imprinte polymers: Molecular Imprinting
Published in Journal of separation science (2009)Get full text
Journal Article -
16
Synthesis of a C 3-symmetric macrocycle with alternating sugar amino acid and tyrosine residues
Published in Tetrahedron letters (07-02-2005)“…[Display omitted] A C 3-symmetric macrocycle with alternating sugar amino acid and tyrosine residues was synthesized in seven steps from tyrosine tert-butyl…”
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Journal Article -
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Amphiphilic Anthracene-Amino Acid Conjugates as Simple Carbohydrate Receptors in Water
Published in Supramolecular chemistry (01-08-2002)“…N -Alkylation of amino acid methyl esters with 9,10-bis-chloromethylanthracene, followed by methyl ester hydrolysis, yielded water-soluble amphiphilic amino…”
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