Results 51 to 60 of about 5,719 (219)

Movement ecology and sex are linked to barn owl microbial community composition. [PDF]

, 2020
The behavioural ecology of host species is likely to affect their microbial communities, because host sex, diet, physiology, and movement behaviour could all potentially influence their microbiota.
Bowie, Rauri CK, Charter, Motti, Corl, Ammon, Getz, Wayne M, Kamath, Pauline L, Nathan, Ran, Rozman, Gabe, Toledo, Sivan, Turjeman, Sondra   +8 more
core   +1 more source

Genetic Diversity, Adaptation, Wild Introgression, and Coat Color Mutation of Golden Yak

Animal Research and One Health, EarlyView.
Genetic diversity, adaptation, wild introgression, and coat color mutation of golden yak from two populations on the Qinghai‐Xizang Plateau. ABSTRACT The golden yak lives on the Qinghai‐Xizang Plateau with a golden coat and adapts to high altitudes and strong ultraviolet environment. The golden coat is a prominent phenotype in many domesticated species,
Huixuan Yan, Jialei Chen, Chuzhao Lei, Fengwei Zhang, Shunzhong He, Weiru Song, Hongyan Ma, Shuling Li, Guomei Li, Laba Yongcuo, Jianlin Han, Johannes A. Lenstra, Qiang Zhang, Rende Song, Basang Wangdui, Ningbo Chen   +15 more
wiley   +1 more source

Thin Amelanotic and Hypomelanotic Melanoma: Clinicopathological and Dermoscopic Features

Medicina
Background and Objectives: Amelanotic/hypomelanotic melanomas (AHMs) account for 2–8% of all cutaneous melanomas. Due to their clinical appearance and the lack of specific dermoscopic indicators, AHMs are challenging to diagnose, particularly in thinner ...
Giovanni Paolino, Riccardo Pampena, Sofia Maria Di Ciaccio, Andrea Carugno, Carmen Cantisani, Matteo Riccardo Di Nicola, Luigi Losco, Giulio Bortone, Santo Raffaele Mercuri, Antonio Costanzo, Marco Ardigò, Mario Valenti   +11 more
doaj   +1 more source

Shedding light on melanins within in situ human eye melanocytes using 2-photon microscopy profiling techniques. [PDF]

, 2019
Choroidal melanocytes (HCMs) are melanin-producing cells in the vascular uvea of the human eye (iris, ciliary body and choroid). These cranial neural crest-derived cells migrate to populate a mesodermal microenvironment, and display cellular functions ...
Cherepanoff, Svetlana, Conway, Robert Max, Gratton, Enrico, Macmillan, Alexander, Madigan, Michele C, Sitiwin, Ephrem, Whan, Renee   +6 more
core  

5,6-dihydroxyindole-2-carboxylic acid (DHICA): a First Principles Density-Functional Study

, 2004
We report first principles density functional calculations for 5,6-dihydroxyindole-2-carboxylic acid (DHICA) and several reduced forms. DHICA and 5,6-dihydroxyindole (DHI) are believed to be the basic building blocks of the eumelanins.
B.J. Powell, Bochenek, Bolvar-Marinez, Briley, Clancy, Crippa, Galvão, Galvão, Galvão, Hill, Ilichev, Ito, Jackson, Jastrzebska, Jones, McGinness, Meredith, Meredith, Pederson, Pederson, Perdew, Porezag, Powell, Prota, Pullman, Quong, Stark, van Holde, Wolbarsht, Zajac   +29 more
core   +1 more source

Fluorescent quantification of melanin [PDF]

, 2016
Melanin quantification is reportedly performed by absorption spectroscopy, commonly at 405 nm. Here, we propose the implementation of fluorescence spectroscopy for melanin assessment.
Baek, Choi, Houghton, Ito, Ito, Kayatz, Lin, Oettgen, Quigley, Rosenthal, Wakamatsu, Watanabe   +11 more
core   +1 more source

In Vivo and In Vitro Evaluation of PTeCA (1H‐Pyrrole‐2,3,4,5‐Tetracarboxylic Acid) in Hair Matrix as a Marker for Oxidative Cosmetic Treatment

Drug Testing and Analysis, EarlyView.
A total of 3378 self‐reported treated and untreated hair samples were analyzed for PTCA and PTeCA by LC‐MS/MS. Moreover, their in vitro formation was assessed in 225 untreated hair by different cosmetic treatments with and without oxidative agents. Data suggest that PTeCA could be a reliable marker for oxidative cosmetic treatments in hair.
Sara Casati, Alessandro Ravelli, Roberta F. Bergamaschi, Agata Magliocco, Sofia Vanerio, Gabriella Roda, Paola Rota, Marica Orioli, Alessio Battistini   +8 more
wiley   +1 more source

Comparative study of the physical parameters of melanosomes in hair of different colour varieties of Mustela putorius furo

The European Zoological Journal
Animal coat colour is determined by various factors, including the type of pigment, its quantity, the shape of pigment cells, and their distribution throughout the body.
D. Grabolus, P. Wacławik, M. Zatoń-Dobrowolska, H. Wierzbicki   +3 more
doaj   +1 more source

The influence of iron on selected properties of synthetic pheomelanin [PDF]

Cell Biochemistry and Biophysics, 2020
AbstractIt is believed that while eumelanin plays photoprotective and antioxidant role in pigmented tissues, pheomelanin being more photoreactive could behave as a phototoxic agent. Although the metal ion-sequestering ability of melanin might be protective, transition metal ions present in natural melanins could affect their physicochemical properties.
Andrzej Zadlo, Krystian Mokrzyński, Shosuke Ito, Kazumasa Wakamatsu, Tadeusz Sarna   +4 more
openaire   +3 more sources

Reciprocal preening and food sharing in colour-polymorphic nestling barn owls. [PDF]

, 2015
Barn owl (Tyto alba) siblings preen and offer food items to one another, behaviours that can be considered prosocial because they benefit a conspecific by relieving distress or need.
Da Silva, A., Des Monstiers, B., Dreiss, A.N., Genzoni, E., Ifrid, E., Roulin, A.   +5 more
core   +1 more source