Results 11 to 20 of about 4,446,653 (191)

Influence of double solution treatment on hardness in 17-4 pH steel

Zaštita Materijala, 2015
The investigated material is a corrosion-resistant, Cu precipitation hardened steel 17-4PH, which undergoes a macroscopic contraction, as a result of applying the following heat treatment: double solution treatment at 1028°C for 1 h (condition A), ageing
Roman Sowa, Wojtan Magdalena Parlinska, Sebastian Arabasz, Andrzej Dziedzic, Irena Dul   +4 more
doaj   +1 more source

Development of thin film microextraction method for the multi-residue analysis of selected pesticides

Advances in Sample Preparation, 2023
Pesticides are a class of compounds that are used to protect agricultural products. However, the uncontrolled use of these chemicals increases the risks associated with their overdosing and rises a significant concern about their effect on human health ...
Kübra Kahremanoğlu, Yeliz Akpınar, Ezel Boyaci   +2 more
doaj   +1 more source

Sample Preparation: The Forgotten Beginning [PDF]

, 2009
Advances in molecular technologies and automated instrumentation have provided many opportunities for improved detection and identification of microorganisms; however, the upstream sample preparation steps needed to apply these advances to foods have not ...
Brehm-Stecher, Byron, Brehm-Stecher, Byron, Jaykus, Lee-Ann, Tortorello, Mary Lou, Young, Charles   +4 more
core   +3 more sources

Magnetic nanoparticles for removing inorganic arsenic species from waters: A proof of concept for potential application

Advances in Sample Preparation, 2023
Inorganic arsenic is considered one of the most critical and severe environmental problems due to its high toxicity even at low levels of exposure, causing serious health problems.
Yesica Vicente-Martínez, Manuel Caravaca, Sokaina El Farh, Manuel Hernández-Córdoba, Ignacio López-García   +4 more
doaj   +1 more source

Purge and trap in-tube colorimetric detection method for the determination of ethanol in alcoholic and non-alcoholic beverages

Advances in Sample Preparation, 2022
A simple and cost-effective analytical approach based on the combination of purge and trap technique coupling with smartphone-based image analysis was developed for the sensitive detection of ethanol.
Waleed Alahmad, Nuttapat Pianarnupap, Thirawan Banjonglaksamee, Fatima Alabdo, Niluh Indria Wardani, Pakorn Varanusupakul   +5 more
doaj   +1 more source

Novel critical point drying (CPD) based preparation and transmission electron microscopy (TEM) imaging of protein specific molecularly imprinted polymers (HydroMIPs) [PDF]

, 2007
We report the transmission electron microscopy (TEM) imaging of a hydrogel-based molecularly imprinted polymer (HydroMIP) specific to the template molecule bovine haemoglobin (BHb).
Andreas Holzenburg, B Rucker, D Tong, Daniel M. Hawkins, Derek Stevenson, DM Hawkins, E. Ann Ellis, J Zhang, JL Liao, JL Nation, LA Estroff, M Suzuki, S Hjerten, S Hou, SR Carter, Subrayal M. Reddy, TR Matzelle, W Chen, Y Hu, Y Hu, ZH Zhang, ZH Zhang   +21 more
core   +1 more source

Task-specific ionic liquids: Applications in sample preparation and the chemistry behind their selectivity

Advances in Sample Preparation, 2022
Task-specific ionic liquids (TSILs) represent a sub-family of ionic liquids characterized by their high specificity towards a target analyte or group of analytes.
Mauricio Llaver, Emiliano F. Fiorentini, Pamela Y. Quintas, María N. Oviedo, María B. Botella Arenas, Rodolfo G. Wuilloud   +5 more
doaj   +1 more source

Automated processing of whole blood samples for the determination of immunosuppressants by liquid chromatography tandem-mass spectrometry [PDF]

, 2006
Background: Liquid chromatography tandem-mass spectrometry (LC-MS/MS) is an efficient technology for routine determination of immunosuppressants in whole blood; however, time-consuming manual sample preparation remains a significant limitation of this ...
Spöhrer, Ute, Vogeser, Michael
core   +1 more source

Vacuum-assisted headspace solid-phase microextraction and gas chromatography coupled to mass spectrometry applied to source rock analysis

Advances in Sample Preparation, 2022
Vacuum-assisted headspace solid phase microextraction (Vac-HSSPME) with high temperature of extraction was used for source-rock analysis. Optimization of extraction conditions was performed by Doehlert experimental design (DD) in gas chromatography ...
Breno J. Pollo, Katherine L. Romero-Orejón, Anita J. Marsaioli, Paulo T.V. Rosa, Fabio Augusto   +4 more
doaj   +1 more source

Application of solid-phase microextraction in atomic spectrometry

Advances in Sample Preparation, 2022
With the growing requirements for the monitoring of heavy metals at an ultra-trace level in the environment and the real-time detection of toxic elements and their compounds for environmental pollution accidents, researchers devoted significant efforts ...
Yubin Su, Tian Ren, Yao Lin, Chengbin Zheng   +3 more
doaj   +1 more source