Articles with "sol gel" as a keyword



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Fabrication of Biomimetic Micropatterned Surfaces by Sol–Gel Dewetting

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Published in 2019 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.201801629

Abstract: Dewetting of thin polymer films has been extensively investigated as a way to generate patterned surfaces. In this paper, the controlled dewetting of sol–gel thin films induced by solvent annealing is reported. The key factors… read more here.

Keywords: fabrication biomimetic; biomimetic micropatterned; micropatterned surfaces; sol gel ... See more keywords
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High‐Yield Synthesis of Ethyl Lactate with Mesoporous Tin Silicate Catalysts Prepared by an Aerosol‐Assisted Sol–Gel Process

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Published in 2017 at "ChemCatChem"

DOI: 10.1002/cctc.201601637

Abstract: An aerosol‐assisted sol–gel method is used to prepare mesoporous tin silicate catalysts that exhibit a record activity in the synthesis of ethyl lactate from dihydroxyacetone and ethanol. The method is based on the formation of… read more here.

Keywords: tin silicate; aerosol assisted; tin; mesoporous tin ... See more keywords
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Sol–gel Entrapped Nitroxyl Radicals: Catalysts of Broad Scope

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Published in 2018 at "ChemCatChem"

DOI: 10.1002/cctc.201701910

Abstract: Sol–gel entrapped TEMPO‐like radicals are excellent supported molecular catalysts for the selective and clean alcohol oxidation, including the primary hydroxyl functions of cellulose. Could these materials reach widespread utilization for the synthesis of fine chemicals,… read more here.

Keywords: nitroxyl radicals; gel entrapped; sol gel; entrapped nitroxyl ... See more keywords
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Development of an Electrochemical Sensor Based on Covalent Molecular Imprinting for Selective Determination of Bisphenol‐A

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Published in 2017 at "Electroanalysis"

DOI: 10.1002/elan.201700300

Abstract: In this study, an electrochemical sensor was developed and used for selective determination of bisfenol-A (BPA) by integrating sol-gel technique and multi-walled carbon nanotubes (MWCNTs) modified paste electrode. BPA bounded by covalently to isocyanatopropyl-triethoxy silane… read more here.

Keywords: selective determination; electrochemical sensor; bpa; sensor ... See more keywords
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Thermochemical CO 2 splitting using a sol‐gel–synthesized Mg‐ferrite–based redox system

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Published in 2019 at "International Journal of Energy Research"

DOI: 10.1002/er.4716

Abstract: This publication was made possible by the NPRP grant (NPRP8?370?2?154) from the Qatar National Research Fund (a member of Qatar Foundation). The statements made herein are solely the responsibility of author(s). read more here.

Keywords: synthesized ferrite; thermochemical splitting; using sol; gel synthesized ... See more keywords
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A novel sorbent based on carbon nanotube/amino-functionalized sol-gel for the headspace solid-phase microextraction of α-bisabolol from medicinal plant samples using experimental design.

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Published in 2018 at "Journal of separation science"

DOI: 10.1002/jssc.201700993

Abstract: A novel sol-gel coating on a stainless-steel fiber was developed for the first time for the headspace solid-phase microextraction and determination of α-bisabolol with gas chromatography and flame ionization detection. The parameters influencing the efficiency… read more here.

Keywords: sol gel; headspace solid; phase microextraction; solid phase ... See more keywords
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Sol-gel niobia sorbent with a positively charged octadecyl ligand providing enhanced enrichment of nucleotides and organophosphorus pesticides in capillary microextraction for online HPLC analysis.

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Published in 2018 at "Journal of separation science"

DOI: 10.1002/jssc.201701104

Abstract: A niobia-based sol-gel organic-inorganic hybrid sorbent carrying a positively charged C18 ligand (Nb2 O5 -C18 (+ve)) was synthesized to achieve enhanced enrichment capability in capillary microextraction of organophosphorus compounds (which include organophosphorus pesticides and nucleotides)… read more here.

Keywords: sol gel; sorbent; gel niobia; capillary microextraction ... See more keywords
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Direct Observation of Photo-Induced Reversible Sol-Gel Transition in Block Copolymer Self-Assembly Containing an Azobenzene Ionic Liquid.

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Published in 2021 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202100091

Abstract: Using atomic force microscopy, the photo-induced reversible changes in a block copolymer self-assembly containing an azobenzene ionic liquid, which undergoes sol-gel transition is directly observed. This is the first report on the sol-gel transition of… read more here.

Keywords: gel transition; ionic liquid; sol gel; photo induced ... See more keywords
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Probing sol‐gel matrices microenvironments by PGSE HR‐MAS NMR

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Published in 2017 at "Magnetic Resonance in Chemistry"

DOI: 10.1002/mrc.4427

Abstract: We applied Pulsed Gradient Spin Echo diffusion with high‐resolution magic angle spinning NMR to study sol‐gel matrices used to encapsulate enzymes for biocatalysis (TMOS/MTMS and TMOS/BTMS) to gain insight into the local chemical microenvironment. Transport… read more here.

Keywords: diffusion; gel matrices; exchange; tmos btms ... See more keywords
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A Multiple Stimuli‐Sensitive Low‐Molecular‐Weight Gel with an Aggregate‐Induced Emission Effect for Sol–Gel Transition Detection

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Published in 2018 at "ChemistryOpen"

DOI: 10.1002/open.201800063

Abstract: Abstract A low‐molecular‐weight gel (LMWG) with a hydrazone moiety and an aggregate‐induced emission (AIE) unit was fabricated; the self‐assembly and disassembly of the LMWG under different stimuli conditions were studied. The LMWG exhibited multiple stimuli… read more here.

Keywords: low molecular; molecular weight; multiple stimuli; gel ... See more keywords
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TiO2 films by sol‐gel spin‐coating deposition with microbial antiadhesion properties

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Published in 2019 at "Surface and Interface Analysis"

DOI: 10.1002/sia.6703

Abstract: Intensive use of antibiotics induced adaptations in bacteria, which developed antibiotic resistance. This is becoming a serious health problem, particularly in the hospital, food industry, or public transport. It is also important to produce surfaces… read more here.

Keywords: tio2 films; sol gel; gel spin; deposition ... See more keywords