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Fiber optic evanescent field sensor for detection of explosives and CO2 dissolved in water
A fiber optic approach for the determination of the carbon dioxide concentration in the gas or fluid phase during sequestration, as well as for the sensing of the explosive TNT is described. The… Expand
Synthesis of highly functionalized 9,10-phenanthrenequinones by oxidative coupling using MoCl5.
A highly complementary method to previous approaches was developed and the orchid-derived natural product cypripediquinone A was synthesized for the first time. Expand
A Microring Resonator Sensor for Sensitive Detection of 1,3,5-Trinitrotoluene (TNT)
A microring resonator sensor device for sensitive detection of the explosive 1,3,5-trinitrotoluene (TNT) is presented. It is based on the combination of a silicon microring resonator and tailored… Expand
Highly selective formation of eight-membered-ring systems by oxidative cyclization with molybdenum pentachloride-an environmentally friendly and inexpensive access to 2,2'-cyclolignans.
Highly Sensitive Detection of Naphthalene in Solvent Vapor Using a Functionalized PBG Refractive Index Sensor
- M. Girschikofsky, M. Rosenberger, S. Belle, M. Brutschy, S. Waldvogel, R. Hellmann
- Materials Science, Computer Science
- 13 February 2012
An optical refractive index sensor system based on a planar Bragg grating which is functionalized by substituted γ-cyclodextrin to determine low concentrations of naphthalene in solvent vapor is reported, capable for online detection. Expand
Electrochemistry of Carbon Dioxide on Carbon Electrodes.
- N. Yang, S. Waldvogel, Xin Jiang
- Materials Science, Medicine
- ACS applied materials & interfaces
- 4 January 2016
The voltammetry, electrochemical and electrocatalytic CO2 reduction, as well as electron synthesis using CO2 and carbon electrodes, and the future activities about electrochemical CO2 conversion are highlighted. Expand
Total Synthesis of (±)‐Oxalicumone C and Chiral Resolution and Elucidation of Its Absolute Configuration
The racemic total synthesis, the chiral resolution, and the elucidation of the absolute configuration of the natural product oxalicumone C were investigated. The goal was achieved by a synthetic… Expand
Electro-conversion as sustainable method for the fine chemical production from the biopolymer lignin
Lignin, one of the most abundant polymers in nature, qualifies itself by the polyphenolic structure as potential renewable feedstock for the production of bio-based aromatic fine chemicals. However,… Expand
Citric Acid Based Carbon Dots with Amine Type Stabilizers: pH-Specific Luminescence and Quantum Yield Characteristics
We report the synthesis and spectroscopic characteristics of two different sets of carbon dots (CDs) formed by hydrothermal reaction between citric acid and polyethylenimine (PEI) or 2,3-diaminopyr...