Results 11 to 20 of about 535,045 (236)

Toward Spatial Identities in Human Brain Organoids-on-Chip Induced by Morphogen-Soaked Beads

open access: yesBioengineering, 2020
Recent advances in stem-cell technologies include the differentiation of human embryonic stem cells (hESCs) into organ-like structures (organoids).
Lihi Ben-Reuven, Orly Reiner
doaj   +1 more source

Beads and decoration elements made of amber in items of jewelry from the burials of the nomads of Asian Sarmatia in the context of trade in exotic materials in Eurasia

open access: yesМатериалы по археологии и истории античного и средневекового Причерноморья, 2021
If the distribution of amber in Europe has been studied quite fully, then the study of the distribution of amber in Eurasia is replete with white spots. This also applies to amber jewelry among the nomads.
Treister, Mikhail
doaj   +1 more source

Yakut clothes of the 17th and 18th centuries, archaeology and restitution [PDF]

open access: yesВестник археологии, антропологии и этнографии, 2020
40 frozen yakutian graves, from the 17th to the 19th century allow the reconstitution of clothes. At the end of the 17th century, new fashions are emerging with the ostentatious use of imported goods and the influences of Russian noble circles and ...
Hochstrasser-Petit Ch.   +4 more
doaj   +1 more source

Fabrication of Porous Spherical Beads from Corn Starch by Using a 3D Food Printing System

open access: yesFoods, 2022
This study introduces a 3D food printing approach to fabricate spherical starch beads with small sizes and high porosity for the first time. The results illustrated that 3D food printing could generate starch beads in different sizes depending on the ...
Safoura Ahmadzadeh, Ali Ubeyitogullari
doaj   +1 more source

Removal of Different Kinds of Heavy Metals by Novel PPG-nZVI Beads and Their Application in Simulated Stormwater Infiltration Facility

open access: yesApplied Sciences, 2019
Polyvinyl alcohol and pumice synthetized guar gum-nanoscale zerovalent iron beads (PPG-nZVI beads) were synthesized, and their adsorption towards Pb2+, Cu2+, and Zn2+ ions was evaluated. The adsorption kinetics of metal ions was well fitted by the pseudo-
Xiaoran Zhang   +4 more
doaj   +1 more source

Towards Ready-to-Use Iron-Crosslinked Alginate Beads as Mesenchymal Stem Cell Carriers

open access: yesBioengineering, 2023
Micro-carriers, thanks to high surface/volume ratio, are widely studied as mesenchymal stem cell (MSCs) in vitro substrate for proliferation at clinical rate.
Timothée Baudequin   +3 more
doaj   +1 more source

Development and Characterization of Calcium-Alginate Beads of Apigenin: In Vitro Antitumor, Antibacterial, and Antioxidant Activities

open access: yesMarine Drugs, 2021
The objective of this work was to develop sustained-release Ca-alginate beads of apigenin using sodium alginate, a natural polysaccharide. Six batches were prepared by applying the ionotropic gelation technique, wherein calcium chloride was used as a ...
Mohammed F. Aldawsari   +5 more
doaj   +1 more source

An In-Line Photonic Biosensor for Monitoring of Glucose Concentrations

open access: yesSensors, 2014
This paper presents two PDMS photonic biosensor designs that can be used for continuous monitoring of glucose concentrations. The first design, the internally immobilized sensor, consists of a reactor chamber, micro-lenses and self-alignment structures ...
Ala'aldeen Al-Halhouli   +4 more
doaj   +1 more source

Optimising Satellite-Derived Bathymetry Using Optical Imagery over the Adelaide Metropolitan Coast

open access: yesRemote Sensing
This study enhances the accuracy of optical satellite-derived bathymetric datasets in a shallow, mixed-bottom, low-wave-energy coastal environment by identifying the optimal combination of input satellite imagery, spectral bands, and empirical derivation
Joram Downes   +3 more
doaj   +1 more source

Impacts of large scale climate modes on the current and future bimodal wave climate of a semi-protected shallow gulf

open access: yesFrontiers in Marine Science
The bimodal wave climate of the semi-protected shallow Gulf St Vincent in South Australia has been analyzed through a forty-year (1980-2020) wave hindcast and an investigation into the climatic drivers of wave climate anomalies is presented.
Benjamin Perry   +4 more
doaj   +1 more source

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