Results 1 to 10 of about 18,117 (183)

Perspectives for Uses of Propolis in Therapy against Infectious Diseases

open access: yesMolecules, 2022
Propolis has gained wide popularity over the last decades in several parts of the world. In parallel, the literature about propolis composition and biological properties increased markedly.
Antonio Salatino
doaj   +1 more source

In Situ Stereo Digital Image Correlation with Thermal Imaging as a Process Monitoring Method in Vacuum-Assisted Thermoforming

open access: yesJournal of Manufacturing and Materials Processing
This experimental study probes the dynamic behaviour of a 3 mm ABS sheet during positive mould vacuum-assisted thermoforming. In this process, the sheet undergoes large and fast deformations caused by the applied vacuum and mechanical stretching by the ...
Rasoul Varedi   +2 more
doaj   +1 more source

Influences on main thermal and mechanical parameters of plasticized sisal fiber-reinforced PLA: An experimental approach

open access: yesResults in Engineering
Composites based on poly(lactic acid) (PLA) and sisal fiber were prepared using extrusion and injection molding processes with the addition of acetyl tributyl citrate as a plasticizer.
Eshetie Kassegn   +3 more
doaj   +1 more source

Exploring the antioxidant, anti-inflammatory and antiallergic potential of Brazilian propolis in monocytes

open access: yesPhytomedicine Plus, 2022
Background: Propolis is a bee product used since ancient times due to its diverse biological applications. We aimed to investigate the antioxidant and anti-inflammatory action of Brazilian propolis in THP-1 cells stimulated with 1‐fluoro‐2,4 ...
Fernanda Lopes Conte   +10 more
doaj   +1 more source

Empirical and statistical investigation of injection molded Enset–PLA biocomposites’ characteristics in response to impact loading

open access: yesResults in Engineering
This paper incorporates characteristics of Enset reinforced Poly lactic Acid biocomposite in response to impact loading. In this study fiber ratio, fiber size, plasticizer amount and fiber age are considered as a factor affecting its impact strength ...
Abebayehu Abdela Gelgelu   +3 more
doaj   +1 more source

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

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

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

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

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

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