Results 31 to 40 of about 64,588 (104)

Re‐evaluation of Quillaia extract (E 999) as a food additive and safety of the proposed extension of use

EFSA journal. European Food Safety Authority, 2019
The EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS) provides a scientific opinion on Quillaia extract (E 999) when used as a food additive and the evaluation of the safety of its proposed extension of use as a food additive in ...
M. Younes, G. Aquilina, L. Castle, K. Engel, P. Fowler, M. J. Frutos Fernández, P. Fürst, R. Gürtler, U. Gundert-Remy, T. Husøy, W. Mennes, A. Oskarsson, R. Shah, I. Waalkens-Berendsen, D. Wölfle, P. Boon, C. Lambré, P. Tobback, M. Wright, A. Rincón, C. Smeraldi, A. Tard, P. Moldéus   +22 more
semanticscholar   +1 more source

The Influence of Precursor pH on the Synthesis and Morphology of AuNPs Synthesized Using Green Tea Leaf Extract

Crystals
This study investigates the effect of precursor pH (1.3, 2, 4, 6, 8, and 10) on the synthesis of gold nanoparticles (AuNPs) via a green synthesis approach using an aqueous extract of green tea (Camellia sinensis) leaves.
Oksana Velgosova, Zuzana Mikulková, Maksym Lisnichuk   +2 more
doaj   +1 more source

Comparison of Brillouin Light Scattering and Density of States in a Supported Layer: Analytical and Experimental Study

Crystals, 2022
We provide a detailed analytical calculation of the Brillouin light scattering (BLS) intensity of a layer on a substrate, taking into account both photoelastic and moving boundary (ripple effect) mechanisms, and give a comparison between BLS intensity ...
Ossama El Abouti, John Cuffe, El Houssaine El Boudouti, Clivia M. Sotomayor Torres, Emigdio Chavez-Angel, Bahram Djafari-Rouhani, Francesc Alzina   +6 more
doaj   +1 more source

Steroid Injection and Open Trigger Finger Release Outcomes: A Retrospective Review of 999 Digits

HAND, 2018
Background: Open surgical release of the A1 pulley is the definitive treatment for the common hand condition of trigger finger, or inflammatory stenosing tenosynovitis.
W. K. Ng, Neil Olmscheid, Kellen M Worhacz, D. Sietsema, S. Edwards   +4 more
semanticscholar   +1 more source

Influence of Energetic Xe¹³² Ion Irradiation on Optical, Luminescent and Structural Properties of Ce-Doped Y₃Al₅O₁₂ Single Crystals

Crystals
The impact of 230-MeV Xe132 ion irradiation on the structural, optical, and luminescent properties of YAG:Ce single crystals is investigated over a fluence range of 1011–1014 ions/cm2. Optical absorption; cathodo-, X-ray, and photoluminescence; and X-ray
Ruslan Assylbayev, Gulnur Tursumbayeva, Guldar Baubekova, Zhakyp T. Karipbayev, Aleksei Krasnikov, Evgeni Shablonin, Gulnara M. Aralbayeva, Yevheniia Smortsova, Abdirash Akilbekov, Anatoli I. Popov, Aleksandr Lushchik   +10 more
doaj   +1 more source

Shape-Controlled Crystal Growth of Y₃Al₅O₁₂:Ce Single Crystals with Application of Micro-Pulling-Down Method and Mo Crucibles, and Their Scintillation Properties

Crystals, 2022
The technology to grow single crystals of the required shape directly from a melt has been researched extensively and developed in various industries and research fields.
Masao Yoshino, Atsushi Kotaki, Yuui Yokota, Takahiko Horiai, Akira Yoshikawa   +4 more
doaj   +1 more source

Dehydration-Induced Space Group Transition Triggers Conformational Changes in Protein Structure

Crystals
Protein packing within crystal lattices plays a critical role in determining molecular flexibility; therefore, the observed conformation and flexibility of protein side chains can vary depending on the crystal space group.
Ki Hyun Nam
doaj   +1 more source

N′-[Bis(methylsulfanyl)methylidene]-2-methoxybenzohydrazide

IUCrData, 2017
In the title compound, C11H14N2O2S2, the diethyl dithioate groups are inclined slightly to the benzoyl ring, making a dihedral angle of 14.0 (3)°. A short intramolecular N—H...O contact generates an S(6) ring.
Paras Nath, Manoj K. Bharty, Ray J. Butcher, Jerry P. Jasinski   +3 more
doaj   +1 more source

Local Crystalline Structure of Doped Semiconductor Oxides Characterized by Perturbed Angular Correlations: Experimental and Theoretical Insights

Crystals, 2022
Doping semiconductor oxides with trace amounts of non-native elements can improve their properties such as bandgap and conductivity. The lack of local techniques makes the precise characterization of these materials difficult.
Anastasia Burimova, Artur Wilson Carbonari, Nicole Pereira de Lima, Arnaldo Alves Miranda Filho, Alexandre Pinho dos Santos Souza, Tatiane da Silva Nascimento Sales, Wanderson Lobato Ferreira, Luciano Fabricio Dias Pereira, Bruno Santos Correa, Rajendra Narain Saxena   +9 more
doaj   +1 more source

Program Quality Review - Department of Chemistry (2000) [PDF]

, 2000
Program Quality Review measuring library support for the Department of Chemistry. Tracks library expenditures on materials serving chemistry and related topics, books added and circulated by subject with peer comparisons, scholarly books published by ...
O\u27Malley, William T.
core   +1 more source