Results 11 to 20 of about 7,496 (209)

Butterfly Wing Translucence Enables Enhanced Visual Signaling

Insects, 2023
The light reflected by the dorsal side of butterfly wings often functions as a signal for, e.g., mate choice, thermoregulation, and/or predator deterrence, while the ventral wing reflections are generally used for crypsis and camouflage. Here, we propose
Doekele G. Stavenga, Heinrich L. Leertouwer, Kentaro Arikawa   +2 more
doaj   +1 more source

A Transcriptomic Approach to the Metabolism of Tetrapyrrolic Photosensitizers in a Marine Annelid

Molecules, 2021
The past decade has seen growing interest in marine natural pigments for biotechnological applications. One of the most abundant classes of biological pigments is the tetrapyrroles, which are prized targets due their photodynamic properties; porphyrins ...
Maria Leonor Santos, Mariaelena D’Ambrosio, Ana P. Rodrigo, A. Jorge Parola, Pedro M. Costa   +4 more
doaj   +1 more source

Megavoltage radiotherapy effects on organs of the reticuloendothelial system [PDF]

Acta Cirúrgica Brasileira, 2023
Purpose: To study the uptake capacity of cells from the reticuloendothelial system after irradiation with high-energy X-rays. Methods: Eighteen male Wistar rats were distributed in three groups: group A (n = 6): control, unirradiated animals studied ...
Fernando Pereira, Andy Petroianu, Jony Marques Geraldo, Claubia Pereira   +3 more
doaj   +1 more source

Yellow nail syndrome [PDF]

Vestnik Dermatologii i Venerologii, 2021
Yellow nail syndrome is an extremely rare syndrome, mainly in people over 50 years of age, occurring both systemically and in isolation and requiring the most careful collection of anamnesis, since this condition has a close relationship with respiratory
A. V. Motorina, T. G. Ruksha
doaj   +1 more source

Bile pigment in small-bowel water content may reflect bowel habits: a retrospective analysis of a capsule endoscopy imaging series

BMC Gastroenterology, 2020
Background Pigmented bile salts darken the small-bowel lumen and are present with bile acid, which is involved in the development of bowel habits. The small-bowel water content (SBWC) in the ileum could represent the colonic environment, but no studies ...
Taiki Aoyama, Akira Fukumoto, Kenjiro Shigita, Naoki Asayama, Shinichi Mukai, Shinji Nagata   +5 more
doaj   +1 more source

Indicators of exchange of bile pigments under the action of ecopathogenic factors on the organism and correction with liposomes [PDF]

The Ukrainian Biochemical Journal, 2014
High levels of anthropogenic impact on the environment requires a detailed study of the features of the influence of heavy metals and ionizing radiation on living organisms, and provides for the development and use of effective means of protecting the ...
D. O. Melnychuk, V. A. Grishchenko, S. P. Veselskiy   +2 more
doaj   +1 more source

Extracellular and intracellular anti-mutagenic effects of bile pigments in the Salmonella typhimurium reverse mutation assay.

Toxicol In Vitro, 2013
Mölzer C, Huber H, Diem K, Wallner M, Bulmer AC, Wagner KH.   +5 more
europepmc   +3 more sources

Can carotenoids cure or protect us? [PDF]

Hospital Pharmacology, 2022
Introduction: Carotenoids are liposoluble plant pigments. The most common in the human diet are a-carotene, b-carotene, b-cryptoxanthin, lycopene, lutein, and zeaxanthin.
Cvetković Biljana R., Kolarov-Bjelobrk Ivana N., Radić Jelena P., Bosanac Milana M., Janičić Stefan D., Stupar Alena M., Samardžić-Lukić Maja V., Ćuk Dragomir R., Tovilović Vanja G., Andrejić-Višnjić Bojana M.   +9 more
doaj   +1 more source

AASLD practice guidance on drug, herbal, and dietary supplement–induced liver injury

, 2022
Hepatology, EarlyView.
Robert J. Fontana, Iris Liou, Adrian Reuben, Ayako Suzuki, M. Isabel Fiel, William Lee, Victor Navarro   +6 more
wiley   +1 more source

The Effects of Bilirubin and Lumirubin on the Differentiation of Human Pluripotent Cell-Derived Neural Stem Cells

Antioxidants, 2021
The ‘gold standard’ treatment of severe neonatal jaundice is phototherapy with blue–green light, which produces more polar photo-oxidation products that are easily excreted via the bile or urine.
Nikola Capková, Veronika Pospíšilová, Veronika Fedorová, Jan Raška, Kateřina Pospíšilová, Matteo Dal Ben, Aleš Dvořák, Jitka Viktorová, Dáša Bohačiaková, Libor Vítek   +9 more
doaj   +1 more source