Results 31 to 40 of about 324,928 (159)
Química Nova, 2007 The synthesis of ZSM-5 zeolite was studied by three synthesis methods: standard synthesis, three day synthesis and synthesis employing clays (kaolin and montmorillonite). The raw materials and prepared materials were characterized by Chemical Analysis by
Marcelo L. Mignoni +2 more
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Synthesis of new functionalized derivatives of indolo[2,3-e][1,2,4]-triazolo-[4,5-b]-1,2,4-triazine [PDF]
Journal of the Serbian Chemical Society, 2013 New functionalized 1,2,4-triazolo-[4,3-b]-1,2,4-triazino-[5,6-b]indole derivatives were synthesized via reaction of the hydrazonoyl halides with 5H-2,3-dihydro-1,2,4-triazino[5,6-b]indole-3-thione or its 3-methylthio derivative.
Gomha Sobhi M., Abdel-Aziz Hatem A.
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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 +22 more
semanticscholar +1 more source
Nanomaterials, 2019 The aim of the present work was to investigate the influence of laser-induced periodic surface structures (LIPSS) produced by femtosecond laser on the friction behavior of silicon sliding on polytetrafluoroethylene (PTFE) in unlubricated conditions ...
Isabel Alves-Lopes +3 more
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Antimicrobial and anti-tubercular activities of isolates and semi-synthetic derivatives of lichen Ramalina leiodea (Nyl.) Nyl. [PDF]
Journal of the Serbian Chemical Society, 2019 The chemical investigation of lichen Ramalina leiodea (Nyl.) Nyl. yielded five known metabolites, i.e., usnic acid (1), ethyl everninate (2), scrobiculin (3), methyl 2,6-dihydroxy-4-methylbenzoate (4) and 4-[(2-hydroxy-4- methoxy-6-propylbenzoyl)oxy]-2 ...
Tatipamula Vinay Bharadwaj +1 more
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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 +4 more
semanticscholar +1 more source
Journal of Electrochemical Science and Engineering, 2017 This study investigates the inhibition potential of Vernonia amygdalina stem extract (VAE) on the corrosion of mild carbon steel immersed in 1 M HCl solution containing various concentrations of the inhibitor. The corrosion rate and inhibition efficiency
Olamide Olawale +4 more
doaj +1 more source
Modeling of linear and nonlinear quantitative structure property relationships of the aqueous solubility of phenol derivatives [PDF]
Journal of the Serbian Chemical Society, 2019 Quantitative structure–solubility relationships (QSSR) are considered as a type of Quantitative structure–property relationship (QSPR) study in which aqueous solubility of chemicals are related to chemical structure.
Kherouf Soumaya +3 more
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Anisotropic silver nanoparticles deposited on zeolite a for selective Hg2+ colorimetric sensing and antibacterial studies [PDF]
Journal of the Serbian Chemical Society, 2015 Silver nanoparticles deposited on the surface of zeolite A were prepared via post ion-exchange reduction, and reduction-deposition methods. Formation of the silver nanoparticles on the surface of zeolite A was verified by surface plasmon spectra
Khorshidi Alireza +2 more
doaj +1 more source
The Story of the Dopamine Transporter PET Tracer LBT-999: From Conception to Clinical Use
Frontiers in Medicine, 2019 The membrane dopamine transporter (DAT) is involved in a number of brain disorders and its exploration by positron emission tomography (PET) imaging is highly relevant for the early and differential diagnosis, follow-up and treatment assessment of these ...
S. Chalon +10 more
semanticscholar +1 more source