Results 61 to 70 of about 10,289 (199)

Mosaic activation of the zebrafish hsp70l heat shock promoter: Implications for interpreting transgenes

open access: yesDevelopmental Dynamics, EarlyView.
Abstract Background The promoters and enhancers of heat shock genes, such as the 1.5‐kb promoter of the zebrafish hsp70l gene, are valuable tools for temporal activation of transgenes. It has been widely purported that heat shock treatments result in ubiquitous expression of hsp70l‐driven transgenes.
Jong‐Su Park, Xiangyun Wei
wiley   +1 more source

Development of a Zebrafish Embryo‐Based Test System for Thyroid Hormone System Disruption: 3Rs in Ecotoxicological Research

open access: yesEnvironmental Toxicology and Chemistry, EarlyView.
Abstract There is increasing concern regarding pollutants disrupting the vertebrate thyroid hormone (TH) system, which is crucial for development. Thus, identification of TH system–disrupting chemicals (THSDCs) is an important requirement in the Organisation for Economic Co‐operation and Development (OECD) testing framework.
Lisa Gölz   +9 more
wiley   +1 more source

Effects of Different Factors on Yolk Blackening in Salted Duck Egg [PDF]

open access: yesShipin Kexue
In order to analyze the factors affecting yolk blackening in salted duck eggs, this study investigated the differences in the color difference, metal ion contents and proteomics in different parts of normal and black-yolked salted duck eggs.
SUN Jing, YANG Xue, PENG Xu, LU Lizhi, ZENG Tao, JIA Ming, SHEN Jie, DU Jinping
doaj   +1 more source

Yolk Color Characteristics, Xanthophyll Availability, and a Model System for Predicting Egg Yolk Color Using Beta-Apo-8′-Carotenal and Canthaxanthin

open access: yesPoultry Science, 1978
Abstract The egg yolk pigmenting ability of beta-apo-8′-carotenaI and canthaxanthin was evaluated using reflectance colorimetry to both describe the color and determine relative biological availability. Laying hens, previously depleted of xanthophylls, were fed diets containing 0, 2.2, 4.4, 8.8, and 17.6 mg/kg, of each of the two xanthophylls, in a 5
D.L. FLETCHER, R.H. HARMS, D.M. JANKY
openaire   +1 more source

Inconsistent Transcriptomic Responses to Hexabromocyclododecane in Japanese Quail: A Comparative Analysis of Results From Four Different Study Designs

open access: yesEnvironmental Toxicology and Chemistry, EarlyView.
Abstract Efforts to use transcriptomics for toxicity testing have classically relied on the assumption that chemicals consistently produce characteristic transcriptomic signatures that are reflective of their mechanism of action. However, the degree to which transcriptomic responses are conserved across different test methodologies has seldom been ...
Paul Béziers   +10 more
wiley   +1 more source

Advanced Functional Materials for Marine Energy Utilization

open access: yesInterdisciplinary Materials, EarlyView.
Marine renewable energy is an important future clean energy supply. We construct and sort out the material system for marine energy capture and conversion, transmission, storage, and utilization for the first time. ABSTRACT Several features of marine energy, including large reserves, sustainable utilization, environmental friendliness, make it a ...
Qiang Yu   +7 more
wiley   +1 more source

The Effect of Seaweed Carotenoids on Egg Yolk Coloration

open access: yesPoultry Science, 1963
Abstract CONTRADICTORY records are found in the literature on the effect upon egg yolk coloration of feeding seaweed meal to the laying hen. While Olsson (1941) and Black (1953) observed little or no effect, Hoie and Sannan (1960) found a significant darkening of the egg yolk on addition of 5 percent of seaweed meal to the rations.
openaire   +1 more source

Tracking the Pulse of the Dunes: Seasonal Metabolic Responses of Liolaemus arambarensis to Climatic Variability

open access: yesJournal of Experimental Zoology Part A: Ecological and Integrative Physiology, EarlyView.
ABSTRACT Seasonal environmental fluctuations profoundly influence ectothermic vertebrates, regulating their physiology, metabolism, and life cycles. This study investigated the metabolic and morphometric seasonal dynamics of the subtropical sand lizard Liolaemus arambarensis, an endangered species endemic to the coastal dunes of southern Brazil.
Artur Antunes Navarro Valgas   +5 more
wiley   +1 more source

Development of an Efficient and Scalable Process for Preparing Timolol N‐Nitrosamine Impurities B, C, E, H, I, J, and Their ADMET Evaluation

open access: yesJournal of Heterocyclic Chemistry, EarlyView.
N‐nitrosamine impurities (B, C, E, H, I, J) of timolol maleate are easily synthesized from diethyl malonate and 3,4‐dichloro‐1,2,5‐thiadiazole. Good yields and precise impurity profiling are made possible by the effective technique, which also ensures pharmaceutical safety and strengthens regulatory compliance.
Kottolla Sai Prasad   +3 more
wiley   +1 more source

An application of bootstrap technique in animal science: egg yolk color sample

open access: yesKafkas Universitesi Veteriner Fakültesi Dergisi, 2015
In this study, it was aimed to introduce the Bootstrap technique and to reveal the relationship between measurements of yolk color fan grades and digital colorimeter that is used for determining the yellow color of egg by utilizing this technique. For this purpose, a total of 1350 samples of 15 color grades of Roche yolk color fan and L* (lightness), a*
Narinç, Doğan   +4 more
openaire   +9 more sources

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