Results 21 to 30 of about 1,650 (211)

The Simultaneous Determination of Nine Furocoumarins in Angelica dahurica Using UPLC Combined with the QAMS Approach and Novel Health Risk Assessment Based on the Toxic Equivalency Factor

open access: yesSeparations, 2023
Objective: This study aimed to provide data for the type and content of linear furocoumarins (FCs) in Angelica dahurica (AD) in order to assess their cumulative risks and provide a scientific basis for the rational use and quality evaluation of the ...
Zhao Wang   +7 more
doaj   +1 more source

2-(2-(4-Methoxyphenyl)-4,9-dimethyl-7-oxo-7H-furo[2,3-f]chromen-3-yl)acetic Acid

open access: yesMolbank, 2021
For the first time, we describe a new approach towards the synthesis of previously unknown 2-(2-(4-methoxyphenyl)-4,9-dimethyl-7-oxo-7H-furo[2,3-f]chromen-3-yl)acetic acid. The presented method is based on the multicomponent condensation of 5-hydroxy-4,7-
Boris V. Lichitsky   +2 more
doaj   +1 more source

Synthesis and Activity of New Schiff Bases of Furocoumarin

open access: yesHeterocyclic Communications, 2020
Furocoumarins, such as 8-MOP, are the most common medications used to relieve the symptoms of vitiligo clinically. Some furocoumarins also showed excellent performance in an anti-bacterial assay.
Xie Huijun   +4 more
doaj   +1 more source

Volatolomics of Sardinian and Spanish Bituminaria: Characterization of Different Accessions Using Chemometrics

open access: yesMolecules, 2021
The present study aims to determine the volatile compositions of 15 different accessions of native Sardinian populations of Bituminaria morisiana (Pignatti & Metlesics) Greuter, Bituminaria bituminosa (L.) C. H. Stirt. (B.
Marianna Usai   +3 more
doaj   +1 more source

Citrus Consumption and Risk of Basal Cell Carcinoma and Squamous Cell Carcinoma of the Skin [PDF]

open access: yes, 2015
Animal experiments have demonstrated the photocarcinogenic properties of furocoumarins, a group of naturally occurring chemicals that are rich in citrus products.
Cho, Eunyoung   +6 more
core   +1 more source

Sunscreens - Which and what for? [PDF]

open access: yes, 2005
It is well established that sun exposure is the main cause for the development of skin cancer. Chronic continuous UV radiation is believed to induce malignant melanoma, whereas intermittent high-dose UV exposure contributes to the occurrence of actinic ...
Ananthaswamy HN   +49 more
core   +1 more source

Computer simulation of pulsed field gel runs allows the quantitation of radiation-induced double-strand breaks in yeast [PDF]

open access: yes, 1994
A procedure for the quantification of double-strand breaks in yeast is presented that utilizes pulsed field gel electrophoresis (PFGE) and a comparison of the observed DNA mass distribution in the gel lanes with calculated distributions.
Ahn   +29 more
core   +1 more source

Relationship between chromatin bridges in anaphase and chromosomal aberrations induced by TMP+UVA (365 nm) in CHO cells [PDF]

open access: yes, 1997
In a recent paper, the hypothesis of 'conservative pairing' between complementary DNA strands belonging to both sister chromatids has been proposed as a phenomenon that could account for, at least in part, sister chromatid pairing in late G(2)/mitosis ...
Botta, R, Gustavino B
core   +1 more source

Safety and efficacy of feed additives consisting of expressed lemon oil and its fractions from Citrus limon (L.) Osbeck and of lime oil from Citrus aurantiifolia (Christm.) Swingle for use in all animal species (FEFANA asbl) [PDF]

open access: yes, 2021
Following a request from the European Commission, the EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on the safety and efficacy of expressed lemon oil and distilled lemon oil
Azimonti G.   +22 more
core   +1 more source

A Study of the Furocoumarin Derivative of Ruta Chalepensis L. (Rutaceae)

open access: yesIraqi Journal of Pharmaceutical Sciences, 2017
The content of Furocoumarin derivatives (Psoralens) of Ruta Chalepensis L. (Whole plant) was studied by simple extraction with petroleum ether (b.p. 60-80Co).
Ekbal H.AL-Khateeb   +2 more
doaj   +3 more sources

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