Results 81 to 90 of about 5,634 (238)

Contribution of hospital effluents to the load of pharmaceuticals in urban wastewaters: Identification of ecologically relevant pharmaceuticals [PDF]

open access: yes, 2013
The impact of effluent wastewaters from four different hospitals: a university (1456 beds), a general (350 beds), a pediatric (110 beds) and a maternity hospital (96 beds), which are conveyed to the same wastewater treatment plant (WWTP), was evaluated ...
Barceló, Damià   +6 more
core   +1 more source

Anti-Cancer Effect of Tacrine-Coumarin Derivatives on Diverse Human and Mouse Cancer Cell Lines

open access: yesActa Chimica Slovenica, 2018
Acridine derivatives were first used as antibacterial and antiparasitic agents, later as antimalarial and anti-HIV drugs, and now as potentially anti-cancer agents due to their high cytotoxic activity.
Zuzana Solárová   +4 more
doaj   +1 more source

Secondary metabolites in Gerbera hybrida [PDF]

open access: yes, 2008
Plants produce a diversity of secondary metabolites, i.e., low-molecular-weight compounds that have primarily ecological functions in plants. The flavonoid pathway is one of the most studied biosynthetic pathways in plants.
Ainasoja, Miia
core  

Chemical Composition and In Vitro Cytotoxic and Antimicrobial Activities of the Essential Oil from Leaves of Zanthoxylum monogynum St. Hill (Rutaceae). [PDF]

open access: yes, 2017
Background: The Zanthoxylum monogynum species belongs to the family Rutaceae and is found in Southeast, Midwest, and Northeast Brazil. For this genus several biological activities have been described. Methods: The essential oil (EO) was obtained from the
Figueiredo, Carlos R   +6 more
core   +2 more sources

Ribosomal Incorporation of Thioxanthone as a Noncanonical Amino Acid Facilitates the Engineering of Photoenzymes

open access: yesChemCatChem, Volume 17, Issue 20, October 20, 2025.
Thioxanthone is an efficient visible‐light photosensitizer and facilitates reactions that are not known from natural enzymes. It is now possible to incorporate thioxanthone as a noncanonical amino acid (thioX) into proteins by an engineered amino acyl tRNA synthetase.
Marco Seifert   +3 more
wiley   +1 more source

The Study of Chemiluminescence of Acridinium Ester in Presence of Rhodamin B as a Fluorescer [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2011
The reaction of hydrogen peroxide and  pheny -9-acridinecarboxylate in the presence of rhodamin B as a fluorophore leads to the emission of either bright blue light  or bright red light, depending on the structure of fluorescer and reaction conditions ...
Mohammad Javad Chaichi   +4 more
doaj  

ent-Clerodane Diterpenes from the Bark of Croton oligandrus Pierre ex. Hutch. and Assessment of their Cytotoxicity Against Human Cancer Cell Lines [PDF]

open access: yes, 2018
New clerodane diterpenes, 12-epi-megalocarpodolide D (2) and an epimeric mixture of crotonolins A (3) and B (4), were isolated from the bark of Croton oligandrus following a bioassay-guided isolation protocol. Known compounds, megalocarpodolide D (1), 12-
Evans, AR   +5 more
core   +2 more sources

Arborine, a Larval Growth Inhibitor from Glycoslnis pentaphylla [PDF]

open access: yes, 1994
Arborine (I), a quinazolone alkaloid was isolated from the leaves of Glycosmis pentaphylla (Rutaceae) and was found to have a growth inhibitory effect on the larvae of Drosophila ...
Ahmad, Farediah   +2 more
core  

Pretraživanje tradicionalnih europskih ljekovitih biljaka na inhibiciju acetilkolinesteraze i butirilkolinesteraze [PDF]

open access: yes, 2010
Acetylcholinesterase (AChE) inhibitors are widely used for the symptomatic treatment of Alzheimer’s disease (AD) to enhance central cholinergic transmission. On the other hand, butyrylcholinesterase (BuChE) inhibitors were reported to produce significant
A. Adsersen   +16 more
core   +3 more sources

Evaluation of Alkaloids Isolated from Ruta graveolens as Photosynthesis Inhibitors

open access: yesMolecules, 2018
Eight alkaloids (1–8) were isolated from Ruta graveolens, and their herbicide activities were evaluated through in vitro, semivivo, and in vivo assays.
Olívia Moreira Sampaio   +6 more
doaj   +1 more source

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