Results 61 to 70 of about 4,032 (172)
Structure of 1-(3-butynyl)pyridinium p-toluenesulfonate [PDF]
, 1993 The 1-(3-butynyl)pyridinium p-toluenesulfonate salt, C9H10N+.CTHTO3S -, contains a C--H...O hydrogen bond between the acetylenic H atom of the cation and a sulfonate O atom of the anion in the solid state [C...O 3.32 (1), H...O 2.49 A, C--H...O 159°].
Ferguson, George +5 more
core +1 more source
New Phytologist, EarlyView.Summary High‐throughput molecular studies of museum specimens (museomics) have great potential in biodiversity research, but fungal historical collections have scarcely been examined, leading to no comprehensive methodological assessments. Here we present a whole genome sequencing (WGS) project conducted at the Fungarium of the Royal Botanic Gardens ...
Torda Varga +24 more
wiley +1 more source
Educación Química, 2018 Este trabajo investiga las concepciones de los alumnos de la carrera de Química de la Universidad de Sao Paulo respecto al estatus de la Química Ambiental y la Química Verde con relación al conjunto del conocimiento químico.
Paulo Alves Porto +3 more
doaj +1 more source
Compostos coloridos do ferro: uma proposta de experimentação utilizando materiais de baixo custo
Educación Química, 2018 As atividades experimentais representam um papel importante no processo de ensino e aprendizagem de Química, porque motivam os estudantes e promovem a correlação entre atividades desenvolvidas em sala de aula e situações cotidianas.
Simone Garcia de Ávila +1 more
doaj +1 more source
On-surface self-organization of a robust metal-organic cluster based on copper(i) with chloride and organosulphur ligands [PDF]
, 2015 Direct sublimation of a Cu4Cl4 metal-organic cluster on Cu(110) under ultra-high vacuum allows the formation of ultra-large well-organized metal-organic supramolecular wires.
Delgado, Salomé +10 more
core +3 more sources
The contribution of sulfate ions and protons to the specific capacitance of microporous carbon monoliths [PDF]
, 2014 The monoliths studied in this work show large specific surface areas (up to 1600 m2 g-1), high densities (up to 1.17 g cm-3) and high electrical conductivities (up to 9.5 S cm-1). They are microporous carbons with pore sizes up to 1.3 nm but most of them
Barranco, Violeta +6 more
core +3 more sources
Lighting the Way: Supramolecular Luminescent Chemosensors for a Safer Environment
ChemistryEurope, Volume 4, Issue 2, February 2026.In this Guest Editorial, the special issue of ChemistryEurope on supramolecular luminescent chemosensors (LCs) is presented, showcasing selected contributions from members of the COST Action LUCES (CA22131). LCs are a versatile means to sensitively and selectively detect pollutants and biologically relevant molecules.
Laura Rodríguez
wiley +1 more source
Química en microescala en los laboratorios de Química Inorgánica y Organometálica
Educación Química, 2018 Aparentemente la química en microescala no representa nada nuevo. Cuando los de mi generación echamos una mirada retrospectiva a nuestra época de estudiantes, allá por la década de 1960, recordamos que, por ejemplo, en los laboratorios de Química General
Francisco J. Amaíz
doaj +1 more source
Structural Studies and Spectroscopic properties of Quinolizidine Alkaloids (+) and (-)-Lupinine in different media [PDF]
, 2019 The quinolizidine alkaloids, as numerous species of lupine (Lupinus spp.), are toxic andhave biological effect on the nervous system. Hence, four (+) and (-)- molecular structuresof quinolizidine alkaloid lupinine, named C0, C1a, C1b and C1c have been ...
Brandan, Silvia Antonia +2 more
core
Avances en Ciencias e Ingeniería, 2013 El objetivo de este trabajo fue diseñar una evaluación diagnóstica que permita detectar tempranamente a aquellos alumnos con dificultades de aprendizaje e incluirlos en distintas instancias de apoyo ofrecidas por la Facultad de Ciencias Agrarias y ...
Alejandra V. Quiroga +2 more
doaj