Results 81 to 90 of about 20,968 (228)
Detection Techniques for Polycyclic Aromatic Hydrocarbons and Their Metabolites: A Review
physica status solidi (a), Volume 223, Issue 17, 9 September 2026.Overview of the different techniques that can be used to detect polyclic aromatic hydrocarbons and their metabolites. Polycyclic aromatic hydrocarbons (PAHs) are a class of organic pollutants affecting the environment as well as individual health that has been linked to various diseases including cancer.
Martin Wolfgang Konrad +3 more
wiley +1 more source
Pressure-Assisted Selective Preconcentration in a Straight
, 2016 : We investigate the preconcentration profiles of a fluorescein and bovine serum albumin derivatized with this fluorescent tag in a microfluidic chip bearing a nanoslit.
Anne-Marie Haghiri-Gosnet (1526218) +10 more
core +1 more source
Advanced Science, Volume 13, Issue 51, 14 September 2026.A closed‐loop “Concentrate‐Destroy” strategy is presented for completely eliminating short‐chain and emerging PFAS, in which the new 3D PPy@P‐CF is used for efficiently concentrating PFAS and Cu2+‐mediated photodegradation is applied for the completely destroying PFAS in the sorbent regeneration eluent.
Hao Yu +5 more
wiley +1 more source
YREE determination in seawater. Standardization and validation of a new method based on preconcentration techniques [PDF]
, 2010 The most interesting attraction of using rare-earth elements and yttrium (YREE) to address geochemical and marine chemical problems consists of their chemical coherence as group of trace elements.
CENSI, Paolo +3 more
core
Química NovaIn this study, a simple, fast, portable, environment-friendly and inexpensive method, CPE-scanometry, is applied for the determination of Phenylalanine (Phe) amino acid.
Ardeshir Shokrollahi, Masuod Refahi
doaj +1 more source
Fabrication of Inorganic Monolith Coated with Gold Nanoparticles for Protein Purification
International Journal of Electrochemical Science, 2019 This work aims at developing a new technique used to fabricate porous inorganic monolith using pore surface improved coverage with gold nanoparticles (AuNPs) that has the capacity of preconcentrating proteins that has effectiveness of high ...
Eman Alzahrani, Ahmed M. Fallatah
doaj +1 more source
3D Paper-Based Origami Device for Programmable Multifold Analyte Preconcentration [PDF]
In analytical chemistry, preconcentration represents a critical step able to enhance the accuracy of detection; however, the experimental procedures needed to preconcentrate samples might be characterized by drawbacks regarding the whole analytical ...
Kalligosfyri P. M., Cinti S.
core +1 more source
Separation and preconcentration trace amounts of gold by using modified organo nanoclay closite 15A
Química Nova, 2010 The application of organo nanoclay 5-(4-dimethylamino-benzylidene) rhodanine-immobilized as a new, easily prepared, and stable solid sorbent for preconcentration trace amounts of Au(III) ions in aqueous solution is presented. The sorption of Au(III) ions
Sayed Zia Mohammadi +2 more
doaj +1 more source
MoleculesThis research investigates the utilization of an ionic liquid combination of solidified floating organic drop micro-extraction (IL-SFODME) to augment the concentration of trace amounts of lead, working as a preliminary stage before electrothermal atomic ...
İlknur Durukan, Barış Yildiz
doaj +1 more source
Preconcentration of Co, Ni, Cd and Zn on naphthalene–2,4,6-trimorpholino-1,3,5-triazin adsorbent and flame atomic absorption determination [PDF]
Journal of the Serbian Chemical Society, 2010 A preconcentration method was developed for the determination of trace amounts of Co, Ni, Cd and Zn by atomic absorption spectrometry. The method is based on the retention of the metal cations by naphthalene–2,4,6-trimorpholino-1,3,5-triazin adsorbent in
TAYYEBEH MADRAKIAN +2 more
doaj