Results 1 to 10 of about 444,157 (192)

Preparation and Modification of Activated Carbon for the Removal of Pharmaceutical Compounds via Adsorption and Photodegradation Processes: A Comparative Study

open access: yesApplied Sciences, 2023
In the present research, the removal of pharmaceutical contaminants based on atenolol (AT) and propranolol (PR) using modified activated carbon (AC) in a liquid solution was studied. Two methods, adsorption and photodegradation, were used to eliminate AT
Brahim Samir   +7 more
doaj   +1 more source

Quantitative extraction of chromium VI and III from tanned leather: a comparative study of pretreatment methods

open access: yesJournal of Leather Science and Engineering, 2021
In this study, seven pretreatment methods for chromium speciation in tanned leather were evaluated: acidic mineralization, ethylenediaminetetraacetic acid (EDTA) extraction, diethylenetriaminepentaacetic acid (DTPA) extraction, alkaline extraction (NH4OH)
Mónica Gisel Arellano-Sánchez   +4 more
doaj   +1 more source

Continuous Flow Synthesis of Propofol

open access: yesMolecules, 2021
Herein, we report a continuous flow process for the synthesis of 2,6-diisopropylphenol—also known as Propofol—a short-acting intravenous anesthesia, widely used in intensive care medicine to provide sedation and hypnosis.
Romain Mougeot   +3 more
doaj   +1 more source

Recent Advances in Catalytic and Technology-Driven Radical Addition to N,N-Disubstituted Iminium Species

open access: yesMolecules, 2023
Recently, radical chemistry has grown exponentially in the toolbox of organic synthetic chemists. Upon the (re)introduction of modern catalytic and technology-driven strategies, the implementation of highly reactive radical species is currently ...
Sylvain Oudeyer   +3 more
doaj   +1 more source

Synthesis of 2-Cyanobenzothiazoles via Pd-Catalyzed/Cu-Assisted C-H Functionalization/Intramolecular C-S Bond Formation from N-Arylcyanothioformamides

open access: yesMolecules, 2022
We report herein on a catalytic system involving palladium and copper to achieve the cyclization of N-arylcyanothioformamides and the synthesis of 2-cyanobenzothiazoles. The C-H functionalization/intramolecular C-S bond formation reaction was achieved in
Nathan Broudic   +3 more
doaj   +1 more source

All-Optical Packet Switching and Label Rewriting for Data Packets Beyond 160 Gb/s

open access: yesIEEE Photonics Journal, 2010
In this paper, two different paradigms to realize a scalable all-optical packet switch with label swapping will be reviewed. The two paradigms are based on wavelength routing switch and space routing switch.
Nicola Calabretta   +3 more
doaj   +1 more source

Development of a Broad-Spectrum Antiserum against Cobra Venoms Using Recombinant Three-Finger Toxins

open access: yesToxins, 2021
Three-finger toxins (3FTXs) are the most clinically relevant components in cobra (genus Naja) venoms. Administration of the antivenom is the recommended treatment for the snakebite envenomings, while the efficacy to cross-neutralize the different cobra ...
Bing-Sin Liu   +6 more
doaj   +1 more source

A core ontology for business process analysis [PDF]

open access: yes, 2008
Business Process Management (BPM) aims at supporting the whole life-cycle necessary to deploy and maintain business processes in organisations. An important step of the BPM life-cycle is the analysis of the processes deployed in companies.
Alves de Medeiros, Ana Karla   +2 more
core   +1 more source

Tuning recombinant protein expression to match secretion capacity

open access: yesMicrobial Cell Factories, 2018
Background The secretion of recombinant disulfide-bond containing proteins into the periplasm of Gram-negative bacterial hosts, such as E. coli, has many advantages that can facilitate product isolation, quality and activity.
Luminita Gabriela Horga   +10 more
doaj   +1 more source

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