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120 resultados encontrados.

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Synthesis and Study of New Complexes of a Mixture of Liquandate for Schiff Bases Derived from Isatin and Amino Acids and Bi-Amine Liquandate with Iron Ion (II)
Artículo
Acceso abierto Artículo DOAJ
Khalaf Khaloo et al · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
ABSTRACT The work includes the synthesis and characterization of new complexes of mixed ligands of Schiff  bases derived from isatin with amino acids (glycine,a-alanine,L-valine,L-leucine,L-histidine and L-tryptophane) ...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
Synthesis and Upconversion Luminescence of Nanoparticles Y2O3 and Gd2O3 Co-doped with Yb3+ and Er3+
Tesis
Acceso abierto Tesis DOAJ
Dalia H. Chávez et al · SAGE Publishing · 2016 · ISSN 1847-9804
Upconversion nanoparticles (UCNs) find application in nanomedicine as biolabels to identify cancer cells. In this work, Y2O3: Er3+/ Yb3+ and Gd2O3: Er3+/ Yb3+ systems were fabricated by combustion synthesis (CS) and sol-...
LCC LCC:Materials of engineering and construction. Mechanics of materials; TENDOlRlY2hub2xvZ3k~Idioma eng
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Open Access
Synthesis of New Compounds Bis-(N-Naphthal) Phthalisoimid, Bis-(N-Phenyl) Phthalisoimid and Studying Thermal Stabilty and Bio Activity
Artículo
Acceso abierto Artículo DOAJ
Marwan Mohammed F. All-Heety · University of Mosul, College of Education for Pure Science · 2009 · ISSN 1812-125X
ABSTRACT Synthesis Cyclic Compounds which are difficult to obtain in normal ways. Developing our in formation concerning the Synthesis of two new Bis-Phthalamic Compounds from reaction between diamines Aromatic Compounds...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
Synthesis of healthy-structure model responses for damage quantification
Artículo
Acceso abierto Artículo CONICET Digital
Garrido, Carlos Hernán et al · Sage Publications Ltd · 2022 · ISSN 1475-9217
Structural Health Monitoring faces several challenges. Among them, especially for the quantification of damage, are (1) the uncertainty in the boundary conditions, (2) the need for a calibrated numerical model, or measur...
Idioma eng
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Open Access
Synthesis of optically active 1,2,3-trisubstituted azetidines employing an organocatalytic approach with L-proline
Artículo
Acceso abierto Artículo CONICET Digital
Kaufman, Teodoro Saul et al · Elsevier · 2013 · ISSN 1924-1927
A concise organocatalytic approach towards optically active 1,2,3-trisubstituted azetidines, including a study of the scope and limitations of the synthetic sequence, is reported. The synthesis comprises the one-pot L-...
Idioma eng
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Open Access
Synthesis of some new heterocyclic compounds derived from 2-Chloro-3-formyl quinoline
Artículo
Acceso abierto Artículo DOAJ
Ala Ayoob et al · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
ABSTRACT In this paper the Synthesis of some substituted 2-Chloro-3-formyl quinoline (2a–d) by treating various substituted acetanilide or 1-(4-substituted phenyl) ethanone oxime with POCl3 in dimethyl formamide. It pr...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
Synthesis, structure and morphology of magnesium ferrite nanoparticles, synthesized via “green” method
Artículo
Material complementario disponible Artículo DOAJ
T. Tatarchuk et al · Vasyl Stefanyk Carpathian National University · 2021 · ISSN 1729-4428
In this paper, the synthesis of spinel magnesium ferrite (MgFe2O4) nanoparticles is reported, along with its structural, magnetic and hyperthermic properties, which ensure them being effectively used in various fields. F...
LCC TENDOlBoeXNpY3M~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Synthesis and Characterization of Mn(II) ,Co(II) ,Ni(II) ,Cu(II) ,Zn(II) and Cd(II) Complexes with Di-Schiff Bases Derived from o- or m- Phenylenediamine and 9,10-Phenanthrenequinone
Artículo
Acceso abierto Artículo DOAJ
K. Al-Nama et al · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
ABSTRACT Aseries of new complexes of the type [MLCl2] where M=Mn (II),Co(II),Ni(II),Cu(II),Zn(II),Cd(II) L=L1 or L2 represents di- Schiff base ligands: {L1=(N,N'E,N,N'E)-N,N'-(phenanthrene-9,10-diylidene) bis (benzene-1,...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
Synthesis and antifungal activity of some substituted phenothiazines and related compounds
Artículo
Acceso abierto Artículo CONICET Digital
Sarmiento, Gabriela Pabla et al · Elsevier France-Editions Scientifiques Medicales Elsevier · 2011 · ISSN 0223-5234
Several phenothiazines and related compounds were synthesized and their antifungal activity was evaluated in vitro. The results observed for α-chloro-N-acetyl phenothiazine led us to choose this compound as a lead in th...
Idioma eng
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Open Access
Synthesis and characterization of biodegradable non-toxic poly(ester-urethane-urea)s based on poly(ε-caprolactone) and amino acid derivatives
Artículo
Acceso abierto Artículo CONICET Digital
Marcos Fernández, A. et al · Elsevier · 2006 · ISSN 0032-3861
Non-toxic biodegradable linear poly(ester-urethane-urea)s with different hydrophilic character were synthesized from poly(ε-caprolactone) as macrodiol, l-lysine diisocyanate (LDI) and ethyl ester l-lysine or l-ornithine...
Idioma eng
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Open Access
Synthesis Of Some Substituted 1,2,5-Oxadiazino [2-3,b] Quinazoline And Some 1,3-Oxazole Derivatives
Artículo
Acceso abierto Artículo DOAJ
Yassir S. Mohamad · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
ABSTRACT In this paper the synthesis of some 1,2,5- oxadiazino [2-3,b] quinazoline and some substituted 1,3- oxazole are reported, alanine and valine were reacted with benzoyle chloride in sodium hydroxide solution to gi...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Open Access
Synthesis of silver nanowires for highly conductive and transparent films
Artículo
Acceso abierto Artículo DOAJ
P Kalakonda · SAGE Publishing · 2016 · ISSN 1847-9804
Silver nanowires were synthesized by a polyol method with a detailed control of synthesis conditions such as injection rate, concentration of copper (II) chloride, and silver nitrate to poly(vinylpyrrolidone) ratio. The ...
LCC LCC:Materials of engineering and construction. Mechanics of materials; TENDOlRlY2hub2xvZ3k~Idioma eng
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Open Access
Synthesis and antibacterial activity of some 2,4,6-trisubstituted-1,3,5-triazines
Artículo
Acceso abierto Artículo SEDICI UNLP
Singh, Udaya Pratap et al · SEDICI UNLP · 2010
A series of 2,4-bis(substitutedphenyl)-6-(4-(4-substitutedphenyl)thiazol-2-yl)-1,3,5-triazine- 2,4,6-triamine were synthesised, characterised by FT-IR, 1H NMR, 13C NMR, mass and elemental analysis and evaluated for in ...
Idioma en
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Open Access
Synthesis and biological activities of novel danshensu amide derivatives as anti-myocardial ischemia agents
Artículo
Acceso abierto Artículo SEDICI UNLP
Wang, Tingfang et al · SEDICI UNLP · 2011
A series of novel danshensu amide derivatives were synthesized, and the protective effects of all the compounds on rat myocardial cell lines H9C2 by hypoxia were investigated. The results showed that all the seven compou...
Idioma es
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Open Access
Synthesis and biological evaluation of benzylideneamino-5H-thiochromeno[2,3-b]pyridin-5-one
Artículo
Acceso abierto Artículo SEDICI UNLP
Khan, Muhammad N. et al · SEDICI UNLP · 2011
Various benzylideneamino-5H-thiochromeno[2,3-b]pyridin-5-one derivatives were synthesized by the reaction of 7-amino-5H-[1] benzothiopyrano[2,3-b]pyridin-5-one and different benzaldehydes. Their structures were confirmed...
Idioma en
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Open Access
Synthesis and in vitro antimicrobial activity of novel hydrazide-hydrazone derivatives of dodecanoic acid
Artículo
Acceso abierto Artículo SEDICI UNLP
Kumar, Mahesh et al · SEDICI UNLP · 2011
Six new dodecanoic acid hydrazide-hydrazones (compounds 4a–f), unsubstituted or carrying hydroxy, methoxy, nitro and chloro groups on the benzene ring, were synthesized and tested, in vitro, for their antimicrobial act...
Idioma en
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Open Access
A Green Synthesis of Silver Nanoparticles Using Hibiscus Extract for the Remediation of Polluted Diyala River
Artículo
Acceso abierto Artículo DOAJ
zainab mahdi et al · College of science, university of Diyala · 2026 · ISSN 2958-4612
In this study, biological and chemical pollutants from various points of Diyala River (wastewater, sewage, orchard water, running water, and liquefied water) were treated by synthesizing silver nanoparticles (Ag NPs) by ...
LCC TENDOlNjaWVuY2U~Idioma eng
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Open Access
An LLM‐Driven Approach for Power Grid Structure Synthesis and Visualization
Artículo
Acceso abierto Artículo DOAJ
Binye Ni et al · Wiley · 2026 · ISSN 2634-1581
Abstract Research in power system is persistently hampered by the scarcity of high‐fidelity, public grid data due to security and privacy constraints. Existing unimodal synthesis methods fail to harmonize physical laws...
LCC LCC:Energy industries. Energy policy. Fuel trade; TENDOlByb2R1Y3Rpb24gb2YgZWxlY3RyaWMgZW5lcmd5IG9yIHBvd2VyLiBQb3dlcnBsYWIdioma eng
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Open Access
Bio-inspired synthesis of silver selenide (Ag₂Se) binary chalcogenide nanoparticles mediated by Punica granatum L. peel extract and a comprehensive evaluation of their biological activities
Artículo
Material complementario disponible Artículo DOAJ
Siddharth Satpathy et al · Nature Portfolio · 2026 · ISSN 2045-2322
Abstract The growing threat of antibiotic-resistant bacteria calls for the urgent development of novel antimicrobial agents. Binary chalcogenide nanoparticles, particularly Ag2Se nanoparticles, have emerged as promising ...
LCC LCC:Medicine; TENDOlNjaWVuY2U~Idioma eng
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Material complementario
Boosting porphyrin synthesis and ALA ‐mediated photoinactivation through near‐infrared therapy
Artículo
Acceso abierto Artículo CONICET Digital
Tomás, Roberto Sebastián et al · Wiley Blackwell Publishing, Inc · 2025 · ISSN 0031-8655
Photodynamic inactivation (PDI) combines the use of photosensitizers with visible light to produce reactive oxygen species that effectively eliminate pathogens. To investigate the impact of near- infrared therapy (NIRT) ...
Idioma eng
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Open Access
CO2 capture and zeolite synthesis via hydrothermal treatment of inertized rock wool
Artículo
Material complementario disponible Artículo DOAJ
Giulio Galamini et al · Elsevier · 2026 · ISSN 2212-9839
The management of rock wool waste poses a growing challenge, with global production exceeding 2.5 million tons annually. Thermal inertization converts this fibrous hazardous waste into safe glassy products; however, high...
LCC TENDOlRlY2hub2xvZ3k~Idioma eng
Material complementario disponibleEl enlace apunta a material asociado, anexos, tablas, datos o página complementaria. No se marca como libro/texto completo.
Material complementario
Chromosome-level genome provides new insights into the fatty acid biosynthesis and metabolism of the sea urchin Strongylocentrotus intermedius
Artículo
Acceso abierto Artículo DOAJ
Lingshu Han et al · BMC · 2026 · ISSN 1471-2164
Abstract Polyunsaturated fatty acids (PUFAs) are important nutrients that play critical roles in sea urchin reproduction and early development. Strongylocentrotus intermedius, the only commercially cultured sea urchin sp...
LCC TENDOkJpb3RlY2hub2xvZ3k~; LCC:GeneticsIdioma eng
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Open Access
Configuration Synthesis and Lightweight Networking of Deployable Mechanism Based on a Novel Pyramid Module
Artículo
Acceso abierto Artículo DOAJ
Jinwei Guo et al · KeAi Communications Co., Ltd · 2023 · ISSN 2192-8258
Abstract Deployable mechanism with preferable deployable performance, strong expansibility, and lightweight has attracted much attention because of their potential in aerospace. A basic deployable pyramid unit with good ...
LCC LCC:Ocean engineering; TENDOk1lY2hhbmljYWwgZW5naW5lZXJpbmcgYW5kIG1hY2hpbmVyeQ~~Idioma eng
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Open Access
Design, Synthesis and Biological Activity of C3 Hemisynthetic Triterpenic Esters as Novel Antitrypanosomal Hits
Artículo
Acceso abierto Artículo CONICET Digital
Schioppa, Laura et al · John Wiley & Sons Inc · 2021 · ISSN 2191-1363
Research for innovative drugs is crucial to contribute to parasitic infections control and eradication. Inspired by natural antiprotozoal triterpenes, a library of 12 hemisynthetic 3-O-arylalkyl esters was derived from u...
Idioma eng
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Open Access