Results 111 to 120 of about 10,249 (213)

Procédé de fabrication de films biodégradables et films obtenus selon ce procédé [PDF]

open access: yes, 1997
L'invention a pour objet un procédé de fabrication de films biodégradables ainsi que les films biodégradables obtenus selon le procédé de l'invention. Les films de l'invention sont formés à partir d'une matière première brute d'origine végétale riche en ...
Marquié, Catherine
core  

Neutrophil Plasticity and NETosis in Tumour Microenvironment: Tumour Evolution and Therapy Resistance

open access: yesJournal of Immunology Research, Volume 2026, Issue 1, 2026.
Neutrophil extracellular traps (NETs) are web‐like formations consisting of DNA‐histone complexes and associated proteins released from activated neutrophils. While NET formation plays an important role in innate immunity, it is also associated with the pathogenesis of autoimmune disorders such as rheumatoid arthritis, psoriasis and systemic lupus ...
Mojdeh Soltani   +6 more
wiley   +1 more source

Chitosan-supported CuI-catalyzed cascade reaction of 2-halobenzoic acids and amidines for the synthesis of quinazolinones

open access: yesBeilstein Journal of Organic Chemistry
A chitosan-supported CuI (CS@CuI) catalyst was developed for the synthesis of quinazolinones from 2-halobenzoic acids (including iodine and bromine) and amidines. The reaction proceeds under mild reaction conditions, demonstrating a broad substrate scope
Xuhong Zhao   +6 more
doaj   +1 more source

The Groebke–Blackburn–Bienaymé reaction in its maturity: innovation and improvements since its 21st birthday (2019–2023)

open access: yesBeilstein Journal of Organic Chemistry
The Groebke–Blackburn–Bienaymé (GBB) three-component reaction, discovered in 1998, is a very efficient strategy to assemble imidazo[1,2-a]-heterocycles starting from amidines, aldehydes and isocyanides.
Cristina Martini   +2 more
doaj   +1 more source

6-Amidinopurines as convenient precursors to pyrimido[5,4-d]pyrimidines for sar studies on Mycobacterium tuberculosis [PDF]

open access: yes, 2012
Thanks are due to University of Minho and Fundação para a Ciência e Tecnologia for financial support (project nºF-COMP-01-0124-FEDER-022716 (ref. FCT PEst-/QUI/UI0686/2011) FEDER-COMPETE, FCT-Portugal and PhD grant awarded to Ana Bacelar SRFH/BD/24959 ...
Bacelar, Ana Helena Dias   +4 more
core  

Experimental and Theoretical Studies of the Environmental Sensitivity of the Absorption Spectra and Photochemistry of Nitenpyram and Analogs [PDF]

open access: yes, 2019
Neonicotinoid (NN) pesticides have widespread use, largely replacing other pesticides such as the carbamates. Hence, there is a need to understand their environmental fates at a molecular level in various media, especially water.
Ezell, MJ   +5 more
core  

KF/Al2O3: As a Solid Phase and Recyclable Basic Catalyst for Synthesis Mono and Bis Pyrimidine Derivatives [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2017
KF/Al2O3 as a green and efficient catalyst has been used for the synthesis of mono and bis pyrimidine derivatives via three-component reaction of amidines, malononitrile, and aldehydes in EtOH at reflux.
Mehdi Abaszadeh, Mohammad Seifi
doaj  

Manejo Integrado de Plagas para el control de Varroa destructor y sus implicaciones para las colonias de Apis mellifera [PDF]

open access: yes, 2014
Integrated Pest Management (IPM) is a pest management system that, in the socioeconomic context of farming systems, the associated environment and the population dynamics of the pest species, utilizes all suitable techniques in a compatible manner as ...
Barrios, Carlos   +7 more
core  

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