Results 11 to 20 of about 11,091 (232)

Identification of onosma visianii roots extract and purified shikonin derivatives as potential acaricidal agents against tetranychus urticae [PDF]

open access: yes, 2017
There is an increasing need for the discovery of reliable and eco-friendly pesticides and natural plant-derived products may play a crucial role as source of new active compounds.
Benelli, S.   +7 more
core   +1 more source

Glutathione reductase-catalyzed cascade of redox reactions to bioactivate potent antimalarial 1,4-naphthoquinones--a new strategy to combat malarial parasites. [PDF]

open access: yes, 2011
Our work on targeting redox equilibria of malarial parasites propagating in red blood cells has led to the selection of six 1,4-naphthoquinones, which are active at nanomolar concentrations against the human pathogen Plasmodium falciparum in culture and ...
Bauer, Holger   +12 more
core   +2 more sources

Unveiling interactions between DNA and cytotoxic 2-arylpiperidinyl-1,4-naphthoquinone derivatives: A combined electrochemical and computational study [PDF]

open access: yes, 2018
Indexación: Scopus.Three 2-arylpiperidinyl-1,4-naphthoquinone derivatives were synthesized and evaluated in vitro to determine their cytotoxicity on cancer and normal cell lines.
Canales, C.   +4 more
core   +1 more source

Cytotoxicity, hemolysis and in vivo acute toxicity of 2-hydroxy-3-anilino-1,4-naphthoquinone derivatives

open access: yesToxicology Reports, 2016
The 1,4-naphthoquinones, important members of the family of quinones are used as both crude extracts and as compound manipulated by the pharmaceutical industry.
Valeska Santana de Sena Pereira   +5 more
doaj   +1 more source

Site of Prenylation Reaction in Synthesis of Phylloquinone (Vitamin K1) by Spinach Chloroplasts [PDF]

open access: yes, 1981
In spinach chloroplasts, 1,4-dihydroxy-2-naphthoate is prenylated by phytyldiphosphate and subsequently methylated by S-adenosylmethionine to form phylloquinol.
Baldwin   +22 more
core   +1 more source

1,4-Naphthoquinones: From Oxidative Damage to Cellular and Inter-Cellular Signaling

open access: yesMolecules, 2014
Naphthoquinones may cause oxidative stress in exposed cells and, therefore, affect redox signaling. Here, contributions of redox cycling and alkylating properties of quinones (both natural and synthetic, such as plumbagin, juglone, lawsone, menadione ...
Lars-Oliver Klotz   +2 more
doaj   +1 more source

Total synthesis of aurofusarin: studies on the atropisomeric stability of bis-naphthoquinones [PDF]

open access: yes, 2018
An efficient annulation involving pyrone addition to a quinone and Dieckmann condensation was developed for rapid assembly of a γ-naphthopyrone monomeric precursor to the bis-naphthoquinone natural product aurofusarin.
Allen   +42 more
core   +1 more source

Modulation of basophils' degranulation and allergy-related enzymes by monomeric and dimeric naphthoquinones.

open access: yesPLoS ONE, 2014
Allergic disorders are characterized by an abnormal immune response towards non-infectious substances, being associated with life quality reduction and potential life-threatening reactions.
Brígida R Pinho   +4 more
doaj   +1 more source

In Silico Antiprotozoal Evaluation of 1,4-Naphthoquinone Derivatives against Chagas and Leishmaniasis Diseases Using QSAR, Molecular Docking, and ADME Approaches

open access: yesPharmaceuticals, 2022
Chagas and leishmaniasis are two neglected diseases considered as public health problems worldwide, for which there is no effective, low-cost, and low-toxicity treatment for the host.
Lina S. Prieto Cárdenas   +6 more
doaj   +1 more source

Micropropagation for the production of high quality phytochemicals [PDF]

open access: yes, 2013
Plants area source of many valuable secondary metabolites that find a broad field of applications, ranging from the agrochemical to the pharmaceutical industries.
Grevenstuk, Tomás, Romano, Anabela
core   +1 more source

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