Results 41 to 50 of about 46,899 (227)

Experimental Study on Single Fiber Tensile Properties of Sisal Fibers Using a Digital Image Correlation Method as a Strain Measurement

open access: yesJournal of Natural Fibers
The development of natural fibers in engineering applications requires an accurate measurement of their dimensional characteristics and mechanical properties. Fiber cross-sectional area (CSA) obtained from lateral dimensional measurements should consider
Eshetie Kassegn   +4 more
doaj   +1 more source

Inside Honeybee Hives: Impact of Natural Propolis on the Ectoparasitic Mite Varroa destructor and Viruses

open access: yesInsects, 2017
Social immunity is a key factor for honeybee health, including behavioral defense strategies such as the collective use of antimicrobial plant resins (propolis).
Nora Drescher   +4 more
doaj   +1 more source

Effects of propolis extracts on biogenic amine production by food- borne pathogens [PDF]

open access: yesKafkas Universitesi Veteriner Fakültesi Dergisi, 2019
The impacts of water and ethanolic extracts of propolis on growth of Gram- positive and Gram-negative food-borne pathogens and their biogenic amine production were investigated.
Aykut BURGUT
doaj   +1 more source

Heat Stress in Quail: Impacts on Health and Productivity, and Mitigation Strategies

open access: yesAnimal Research and One Health, EarlyView.
Heat stress disrupts physiological homeostasis in quail, inducing oxidative stress, immune dysregulation, and metabolic imbalance, which impair growth, reproduction, product quality, and welfare. Integrating nutritional, environmental, and genetic–epigenetic strategies enhances thermotolerance, sustains productivity, and supports climate‐smart quail ...
T. A. Eletu   +6 more
wiley   +1 more source

Use of Propolis chemical and Asian tiger mosquito bites : case report and review [PDF]

open access: yes, 2013
Propolis is a substance of variable composition which incorporates resins derived from plants and beeswax. It varies depending on the geographic location and local flora such as plant and bee species.
Muscat, Michelle
core  

ZZE-Configuration of chromophore ß-153 in C-phycocyanin from Mastigocladus laminosus [PDF]

open access: yes, 1987
The photochemistry of C-phycocyanin has been studied after denaturation in the dark. It shows an irreversible reaction which has characteristics of a Ζ,Ζ,Ε- to Z,Z,Z-isomerization of dihydrobilins. Its amplitude depends on the reaction conditions, with
Bode, W.   +7 more
core   +1 more source

Investigating the effects of alkalization on mechanical properties of enset fibers using digital image correlation technique

open access: yesResults in Engineering
The characterization of fiber level tensile properties is vital for conducting micromechanical analyses and developing mechanical models of materials and their composites.
Abebayehu Abdela   +3 more
doaj   +1 more source

Perbandingan Sifat Antioksidan Propolis pada Dua Jenis Lebah (Apis mellifera dan Trigona sp.) di Mojokerto dan Batu, Jawa Timur, Indonesia

open access: yesJurnal Ilmu dan Teknologi Hasil Ternak, 2018
Tujuan penelitian ini adalah untuk membandingkan aktivitas antioksidan, kadar total fenolik dan kadar total flavonoid propolis dari dua jenis lebah dan lokasi yang berbeda.
Djalal Rosyidi   +6 more
doaj   +1 more source

Optimization of bioactive compounds extraction from Rosa canina L. pseudofruit through the action of two hydrolytic enzyme preparations

open access: yesJournal of Chemical Technology &Biotechnology, EarlyView.
Abstract BACKROUND The pseudo‐fruit of Rosa canina L. is a rich source of bioactive compounds with antioxidant, anti‐inflammatory, anti‐cancer, anti‐diabetic, anti‐aging, and antimicrobial activities. The aim of the present study is the optimization of a green process based on the action of two hydrolytic enzyme preparations, namely Pectinex® Ultra ...
Zafeiria Lemoni   +6 more
wiley   +1 more source

Natural Fibers Density Measurement Methods: Factors Affecting Density Result in Helium Gas Pycnometry

open access: yesJournal of Natural Fibers
Fiber density can be used to estimate composite weight and to evaluate fiber content for property predictions in fiber-reinforced composites. Yet, natural fibers don’t have fixed density value given on datasheet and their density measurement is affected ...
Abebayehu Abdela   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy