Robust nanofibrillated cellulose composite SERS substrate for capillary preconcentration and trace level detection of organic molecules
Sign Up to like & getrecommendations! Published in 2020 at "Cellulose"
DOI: 10.1007/s10570-020-03478-y
Abstract: Preconcentration of organic analytes from an aqueous solution onto a substrate surface can significantly improve trace level analyte detection by Raman spectroscopy. Nanofibrillated cellulose (NFC)-based three dimensional (3D) substrates have great potential for this application… read more here.
Keywords: detection; water; solution; preconcentration ... See more keywords
Rapid, trace-level direct cathodic voltammetric determination of dopamine by oxidized multiwalled carbon nanotube–modified carbon paste electrode in selected samples of pharmaceutical importance
Sign Up to like & getrecommendations! Published in 2019 at "Ionics"
DOI: 10.1007/s11581-019-03156-5
Abstract: Selected carbonaceous nanomaterial–modified carbon paste electrodes (CPEs) were compared for trace-level determination of dopamine (DA) by direct cathodic square wave voltammetry (SWV). The advanced nanomaterials containing electrodes were obtained from homemade multiwalled carbon nanotubes (MWCNTs)… read more here.
Keywords: determination dopamine; carbon; modified carbon; carbon paste ... See more keywords
Smart choice of carbon dots as a dual-mode onsite nanoplatform for the trace level detection of Cr2O72-
Sign Up to like & getrecommendations! Published in 2019 at "Dyes and Pigments"
DOI: 10.1016/j.dyepig.2018.11.049
Abstract: Abstract Efficient ways for the trace level monitoring of Cr2O72− have generated considerable attention in the fields of medical diagnosis and environmental protection. In current research, the water-soluble carbon dots (CDs) have been developed via… read more here.
Keywords: smart choice; carbon dots; trace level; carbon ... See more keywords
Trace-level phosphorus and sodium co-doping of g-C 3 N 4 for enhanced photocatalytic H 2 production
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2017.03.089
Abstract: Abstract The conversion of solar energy into hydrogen fuels by semiconductor photocatalysts has been paid great attention in recent years. g-C 3 N 4 has emerged as a rising star in this area for its… read more here.
Keywords: production; sodium; phosphorus; trace level ... See more keywords
Ultra-trace level chemosensing of uranyl ions; scuffle between electron and energy transfer from perovskite quantum dots to adsorbed uranyl ions
Sign Up to like & getrecommendations! Published in 2020 at "Microchemical Journal"
DOI: 10.1016/j.microc.2020.104808
Abstract: Abstract This work attempts to address the challenge of trace level detection of uranyl ions using highly fluorescent perovskite quantum dots. The fluorescent probe CsPbBr3 perovskite quantum dots (PQDs) in toluene, synthesized via hot-injection method… read more here.
Keywords: perovskite quantum; uranyl ions; energy; level ... See more keywords
Electrochemical cell designed for in situ integrate microextraction and electroanalysis: Trace-level determination of norfloxacin in aqueous samples.
Sign Up to like & getrecommendations! Published in 2019 at "Talanta"
DOI: 10.1016/j.talanta.2018.12.028
Abstract: In this work, a newly designed electrochemical cell was assembled for in situ integrated microextraction and electroanalysis. Ionic liquids (ILs) were used as extractors to perform the microextraction, which enabled the pre-concentration of norfloxacin from… read more here.
Keywords: trace; electrochemical cell; microextraction electroanalysis; trace level ... See more keywords
Trace-Level Sensing of Phosphate for Natural Soils by a Nano-Screen-Printed Electrode.
Sign Up to like & getrecommendations! Published in 2021 at "Environmental science & technology"
DOI: 10.1021/acs.est.1c05363
Abstract: Phosphate as one of the most essential components of living systems, robust analytical techniques available for phosphate sensing in natural waters and soils are essential for monitoring and predicting water quality and agronomic evaluation of… read more here.
Keywords: printed electrode; trace; screen printed; trace level ... See more keywords
Simple and Rapid Method for the Quantitation of Trace-Level 3-Alkyl-2-methoxypyrazines in Fragrant Vegetable Oils by Gas Chromatography-Tandem Mass Spectrometry.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.1c07380
Abstract: 3-Alkyl-2-methoxypyrazines (MPs) are characteristic aroma compounds found in fragrant vegetable oils, a type of specially processed oils with enhanced flavor. MP contents in these oils are usually at trace level, which makes their quantification a… read more here.
Keywords: alkyl methoxypyrazines; gas chromatography; vegetable oils; trace level ... See more keywords
Extraction and quantitative analysis of water, sediment, soil and biosolids for trace-level trimethylsilanol
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Environmental Analytical Chemistry"
DOI: 10.1080/03067319.2019.1636041
Abstract: ABSTRACT Methylsilanols such as trimethylsilanol (TMS) are considered as the major hydrolytic degradation products of methylsiloxanes, a class of anthropogenic organometallic substances with a wide range of applications. The distribution of these silanols in various… read more here.
Keywords: extraction; sediment soil; soil biosolids; water ... See more keywords
Voltammetric Chloride Sensing Based on Trace-Level Mercury Impregnation Into Amine-Functionalized Carbon Nanoparticle Films
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2017.2727052
Abstract: A voltammetric sensor for the determination of chloride ions is proposed. At trace level, Hg(II) ions (ca. $15 \times 10^{-12}$ mol or only approximately 3 Hg2+ cations per carbon nanoparticle) are adsorbed at the surface… read more here.
Keywords: carbon; chloride; tex math; trace level ... See more keywords
Picosecond Bessel Beam Fabricated Pure, Gold-Coated Silver Nanostructures for Trace-Level Sensing of Multiple Explosives and Hazardous Molecules
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15124155
Abstract: A zeroth-order, non-diffracting Bessel beam, generated by picosecond laser pulses (1064 nm, 10 Hz, 30 ps) through an axicon, was utilized to perform pulse energy-dependent (12 mJ, 16 mJ, 20 mJ, 24 mJ) laser ablation… read more here.
Keywords: beam fabricated; bessel beam; picosecond bessel; trace level ... See more keywords