Results 31 to 40 of about 570,023 (290)

Effective removal of a cationic dye from an aqueous solution by modified chitosan-zinc oxide nanoparticles beads

open access: yesJournal of Taibah University for Science
Synthetic dyes like basic dyes are among the disturbing contaminants in wastewater, causing environmental pollution, thereby attracting a quest for a potent and sustainable adsorbent for effective treatment.
Ismaila Olalekan Saheed   +7 more
doaj   +1 more source

Fiberoptic-Coupled Spectrofluorometer with Array Detection as a Process Analytical Chemistry Tool for Continuous Flow Monitoring of Fluoroquinolone Antibiotics

open access: yesInternational Journal of Analytical Chemistry, 2020
Nowadays, there is an increasing need for sensitive real-time measurements of various analytes and monitoring of industrial products and environmental processes.
Nader Shokoufi   +4 more
doaj   +1 more source

Should we think about green or white analytical chemistry? Case study: Accelerated sample preparation using an ultrasonic bath for the simultaneous determination of Mn and Fe in beef

open access: yesHeliyon, 2023
Green Analytical Chemistry (GAC) metrics include a variety of criteria, such as the regent amounts and toxicity, energy consumption, generated waste, among others. The analytical greenness metric (AGREE) and its variant for sample preparation (AGREEprep)
Javier Silva   +3 more
doaj   +1 more source

Ion chromatography as a part of green analytical chemistry [PDF]

open access: yesArchives of Environmental Protection, 2020
Due to the increased environmental awareness, green chemistry becomes an important element of environmental protection. Unfortunately, it generate specific environmental costs, which are related to the use of toxic chemical reagents and waste generation.
Rajmund Michalski   +1 more
doaj   +1 more source

UHPLC-PDA-ESI-TOF/MS metabolic profiling and antioxidant capacity of arabica and robusta coffee silverskin: antioxidants vs phytotoxins [PDF]

open access: yes, 2017
A deeper knowledge of the chemical composition of coffee silverskin (CS) is needed due to the growing interest in its use as a food additive or an ingredient of dietary supplements.
Lavecchia, R.   +3 more
core   +1 more source

Magnet Integrated Fabric Phase Sorptive Extraction (MI-FPSE): A Powerful Green(er) Alternative for Sample Preparation

open access: yesAnalytica, 2022
Green(er) sample preparation technologies still dominate as the anticipated improvement in all analytical protocols. Separation scientists all over the world continuously strive to comply with the Green Analytical Chemistry (GAC) demands.
Victoria Samanidou, Abuzar Kabir
doaj   +1 more source

Classification of analytics, sensorics, and bioanalytics with polyelectrolyte multilayer capsules [PDF]

open access: yes, 2020
Polyelectrolyte multilayer (PEM) capsules, constructed by LbL (layer-by-layer)-adsorbing polymers on sacrificial templates, have become important carriers due to multifunctionality of materials adsorbed on their surface or encapsulated into their ...
Krysko, Dmitri   +4 more
core   +1 more source

Metal-Organic Frameworks in Green Analytical Chemistry

open access: yesSeparations, 2019
Metal-organic frameworks (MOFs) are porous hybrid materials composed of metal ions and organic linkers, characterized by their crystallinity and by the highest known surface areas.
Priscilla Rocío-Bautista   +3 more
doaj   +1 more source

Linear scanning ATR-FTIR for chemical mapping and high-throughput studies of Pseudomonas sp. biofilms in microfluidic channels [PDF]

open access: yes, 2018
A fully automated linear scanning attenuated total reflection (ATR) accessory is presented for Fourier transform infrared (FTIR) spectroscopy. The approach is based on the accurate displacement of a multi-bounce ATR crystal relative to a stationary ...
Amirdehi, Mehran Abbaszadeh   +5 more
core   +2 more sources

New Challenges in (Bio)Analytical Sample Treatment Procedures for Clinical Applications

open access: yesSeparations, 2023
The primary cause of poor and ambiguous results obtained from the bioanalytical process is the sample pre-treatment, especially in clinical analysis because it involves dealing with complex sample matrices, such as whole blood, urine, saliva, serum, and ...
Valentina Greco   +12 more
doaj   +1 more source

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