Results 71 to 80 of about 182,970 (169)

Rendimiento y rentabilidad de genotipos de papaya en función de la fertilización química, orgánica y biológica

Revista Mexicana de Ciencias Agrícolas, 2019
La papaya es uno de los frutales con mayor demanda en los mercados mundiales, por lo que, es importante desarrollar nueva tecnología agrícola (fertilización) que coadyuven a producir papayas de excelente calidad, además de reducir los costos de ...
Cid Aguilar Carpio, J. Jiménez, S. L. Bautista, S. Serna, G. Villanueva   +4 more
semanticscholar   +1 more source

Decoding Heptazine Architectures: From Molecular Association to Structural Insight

Chemistry – A European Journal, EarlyView.
A comprehensive study (NMR and theoretical) of three novel heptazine derivatives that self‐assemble into dimers has been conducted, highlighting their versatility as a platform for multifunctional supramolecular and optoelectronic materials. ABSTRACT Heptazine (Hpz) derivatives display remarkable supramolecular organization governed by noncovalent ...
Silvia del Moral, Daniel Barrena‐Espés, Julen Munarriz, Matthias Lehmann, Pilar Romero, José Luis Serrano   +5 more
wiley   +1 more source

π‐Enlargement in Porphyrin Macrocycles at Interfaces

Angewandte Chemie, Volume 138, Issue 30, 20 July 2026.
On‐surface synthesis of a 20‐π free‐base expanded porphyrin, by depositing onto a hot Ag(111) substrate an 18‐π free‐base precursor equipped with ‐CF3 functional groups ABSTRACT Porphyrins are essential heteroatomic macrocycles, fundamental to both biological systems and advanced technology.
Ana Barragán, Elena Pérez‐Elvira, Alba García‐Frutos, Diego J. Vicent, Pingo Mutombo, Koen Lauwaet, José M. Gallego, Rodolfo Miranda, José I. Urgel, Aurelio Gallardo, Nazario Martín, David Écija   +11 more
wiley   +2 more sources

UMA INVESTIGAÇÂO SOBRE MOTIVAÇÃO E ATITUDES DE ESTUDANTES FRENTE A AULAS DE QUÍMICA ORGÂNICA NO ENSINO MÉDIO

Vivências, 2019
Nota-se que há uma grande dificuldade por parte dos alunos para o ensino de química. Um dos fatores que influencia na aprendizagem dos alunos, é o âmbito motivacional.
Vanessa Klein, Everton Lüdke
semanticscholar   +1 more source

Poly(Ionic) Liquid‐Enhanced Ion Dynamics in Cellulose‐Derived Gel Polymer Electrolytes

ChemSusChem, Volume 18, Issue 6, March 15, 2025.
Advancing Energy Storage: Gel Polymer Electrolytes with Promising Potential Gel polymer electrolytes (GPEs) incorporating methyl cellulose and a range of ionic/polymeric achieved Li+ transference numbers comparable to traditional liquid electrolytes.
Tiago G. Paiva, Maykel Klem, Sara L. Silvestre, João Coelho, Neri Alves, Elvira Fortunato, Eurico J. Cabrita, Marta C. Corvo   +7 more
wiley   +1 more source

A High‐Performance Oxidized Graphene for Dendrite‐Free Anodes and Kinetically Enhanced Cathodes of Aqueous Zn‐Ion Batteries

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Oxidized graphene rich in carboxylic acid groups obtained via a simple electrochemical exfoliation route is shown to tackle the main challenges of aqueous Zn‐ion batteries (AZIBs), specifically short Zn anode cycle life and sluggish cathode reaction kinetics.
Enrique Álvarez‐Rubiera, José M. Munuera, Julen Beitia, Cian Gabbett, Alba Suárez‐Fernández, Eider Goikolea, Jonathan N. Coleman, Idoia Ruiz de Larramendi, Silvia Villar‐Rodil, Juan I. Paredes   +9 more
wiley   +1 more source

Nanographene‐Based van der Waals Organic Framework With Permanent Porosity

Angewandte Chemie, Volume 138, Issue 27, 1 July 2026.
Unlocking record‐breaking porosity in a supramolecular organic framework (SOF). Through the strategic design of a C3‐symmetric nanographene, a robust supramolecular framework is achieved via exclusively weak van der Waals forces. This metal‐free scaffold reaches a benchmark BET surface area of 1108 m2 g−1 –the highest to date for this class–combining ...
Arturo Oró, Rubén Turo‐Cortés, Josefina Perles, José Sánchez Costa, Jesús M. Fernández‐García, Nazario Martín   +5 more
wiley   +2 more sources

Diastereoselective Synthesis of Highly Substituted Methylene Cyclobutanes by Pd Catalysis

European Journal of Organic Chemistry, EarlyView.
A chemo‐ and diastereoselective palladium‐catalyzed intramolecular coupling/cyclization of borylated 1,5‐dienes, readily accessible by allene allylboration, with iodoarenes enables the synthesis of highly substituted methylene cyclobutanes. The method exhibits broad scope, high functional group tolerance, and complete enantiospecificity.
Jose M. Malga, Martín Fañanás‐Mastral   +1 more
wiley   +1 more source

A Deep‐Red‐Absorbing Osmium(II) Complex as a Photosensitizer for Photodynamic Therapy Inducing Immunogenic Cell Death

Angewandte Chemie, Volume 138, Issue 27, 1 July 2026.
A deep‐red‐excited osmium(II) photosensitizer (Os2) induces immunogenic cell death (ICD) under 740 nm irradiation and triggers robust anti‐tumor immune responses both in vitro and in vivo. ABSTRACT Immunogenic cell death (ICD), which converts tumor cells into their own vaccine, plays a pivotal role in the development of novel anticancer therapies. Here,
Yiyi Zhang, Pierre Mesdom, Eduardo Izquierdo‐García, João P. M. António, Ruonan Gao, Bruno Saubaméa, Johanne Seguin, Morgane Moinard, Philippe Arnoux, Céline Frochot, Kevin Cariou, Bich‐Thuy Doan, Gilles Gasser   +12 more
wiley   +2 more sources

A tradução na área de química orgânica: da adaptação à tradução literal

Estudos Linguísticos, 2018
Neste trabalho, propomos uma discussão sobre a problemática da tradução de termos em inglês da Química de Pesticidas, subárea da Química Orgânica, para o português do Brasil. O objetivo principal é o de apresentar um glossário bilíngue (português inglês)
Paula Tavares Pinto, M. F. Lima
semanticscholar   +1 more source