Results 21 to 30 of about 402,892 (264)

Application of the activation model in the education/teaching of future food engineers [PDF]

open access: yesHemijska Industrija, 2006
Some problems during the course of chemical education in junior colleges may arise due to the usage of prescribed text books and fixed education plans and programs.
Mijić Ljubica   +2 more
doaj   +1 more source

The importance of storytelling in chemical education [PDF]

open access: yesNature Chemistry, 2020
Storytelling can be a powerful educational tool to help address equity in the chemical sciences.
openaire   +2 more sources

Preparação de N-alquil derivados do 1-bromo-2,4-dinitrobenzeno e do 1-cloro-2-nitrobenzeno: Uma alternativa às aulas práticas de substituição nucleofílica aromática Preparation of N-alkyl derivatives of 1-bromo-2,4-dinitrobenzene and 1-chloro-2-nitrobenzene: An alternative to nucleophilic aromatic substitution practices

open access: yesQuímica Nova, 2008
Preparation of the title compounds are described as an alternative nucleophilic aromatic substitution for practices in the graduate laboratory. The low toxicity and disponibility of the reagents make a suitable procedure approach to experiments regarding
Ayres Guimarães Dias   +2 more
doaj   +1 more source

Dansyl linked solid phase resins as an educational tool to teach the concepts of high throughput screening and prodrugs.

open access: yesBritish Journal of Pharmacy, 2023
High throughput screening (HTS) and combinatorial chemistry, have been part of the process of drug design for nearly two decades. However, methods to teach their practical aspects to undergraduate students are scarce in the literature.
Jordi Morral   +3 more
doaj   +1 more source

Monitoring Acid–Base Titrations on Wax Printed Paper Microzones Using a Smartphone

open access: yesMicromachines, 2017
This study describes the use of a smartphone for monitoring acid–base titrations on wax printed paper microzones. An array of twelve microzones of 5 mm diameter each was wax printed on filter paper.
Sandro A. Nogueira   +4 more
doaj   +1 more source

Leukemia and Exposure to Potential Benzene Sources in Children From the Mexico City Metropolitan Area, 2010–2021: A Geospatial Analysis

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Leukemia is the most common childhood cancer in Mexico, and acute lymphoblastic leukemia (ALL) is the most frequent subtype. Exposure to high concentrations of benzene has been associated with ALL incidence, particularly in urban areas. This study evaluated the relationship between distance to benzene emission sources and the number
Orlando Rivera Zurita   +5 more
wiley   +1 more source

Educação Química no Projeto Escolar “Quixaba”: Alfabetização Científica com Enfoque CTSA no Ensino Fundamental a Partir de Temas Sociocientíficos

open access: yesOrbital: The Electronic Journal of Chemistry, 2015
The objective of this study was to analyze the pedagogical aspects of teaching chemistry in a “Quixaba” school project developed with students of Science of last year of basic school (corresponding to the third cycle), focusing CTSA.
Luciana do N. Rodrigues   +5 more
doaj   +3 more sources

HYBRID ATOMIC ORBITALS IN ORGANIC CHEMISTRY. PART 2: CRITIQUE OF PRACTICAL ASPECTS

open access: yesQuímica Nova
The importance of hybrid atomic orbitals, in both general and organic chemistry, is reviewed. Every contemporary textbook of organic chemistry introduces the directed-valence (e.g. sp3, sp2, sp) model, but the suitability of these hybrid orbitals for use
Guy Lamoureux, John F. Ogilvie
doaj   +1 more source

The “Lab4treat” Outreach Experience: Preparation of Sustainable Magnetic Nanomaterials for Remediation of Model Wastewater

open access: yesMolecules, 2021
The Lab4treat experience has been developed to demonstrate the use of magnetic materials in environmental applications. It was projected in the frame of the European project Mat4Treat, and it was tested several times in front of different audiences ...
Maria Laura Tummino   +8 more
doaj   +1 more source

Association Between Individualized Education for Kidney Replacement Therapy Modality Selection and Peritoneal Dialysis Initiation: A Cross‐Sectional Study

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Introduction Peritoneal dialysis (PD) is an established home‐based kidney replacement therapy (KRT), but its uptake remains low in Japan. We evaluated whether individualized education in a dedicated outpatient clinic was associated with the initiation of PD.
Yasuko Ito   +7 more
wiley   +1 more source

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