Results 41 to 50 of about 2,543,179 (336)

Mendeleev’s discovery of the periodic table and the first European Academy of Sciences to honour him

open access: yesActa Pharmaceutica, 2023
The chemical science community will commemorate the 155th anniversary of Mendeleev’s groundbreaking discovery of the periodic table of elements in 2024.
Flegar Vanja Horvat, Inić Suzana
doaj   +1 more source

From Glyph to Element Symbol – A Story of Names

open access: yesCHIMIA, 2019
When I write the symbol Fe, all scientists know that I am talking about iron. Today's chemists use element symbols in formulae without thinking where they came from. This article looks at the history of element symbols and why we use the ones we
Edwin C. Constable
doaj   +1 more source

Influence of soil health on tomato sensory quality: a PRISMA-based systematic review

open access: yesDiscover Agriculture
Tomatoes (Solanum lycopersicum) are globally prized for their sensory qualities, including flavour, aroma, texture, and appearance, which shape consumer preference and marketability.
Janet Beyuo   +5 more
doaj   +1 more source

Communication and Language Profiles of Children Treated for Posterior Fossa Brain Tumors

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Cognitive and language deficits are frequently reported sequelae of posterior fossa brain tumors (PFBT). Typically, delayed onset impedes prompt assessment and early intervention. This has devastating implications for quality of life.
Zara Sved   +4 more
wiley   +1 more source

The HIT Network for Children and Adolescents With CNS Tumors Facilitates Improvements of Diagnostic Assessments, Multimodal Treatments, Individual Counseling, and Research in Germany, Austria, and Switzerland

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background The HIT network was established in 2000 to create a population‐based structure aiming to improve survival rates and reduce late effects for children with central nervous system (CNS) tumors by conducting comprehensive clinical trials.
Stefan Rutkowski   +59 more
wiley   +1 more source

Periodic Table of the Ordinary and Supersymmetric Sachdev-Ye-Kitaev Models.

open access: yesPhysical Review Letters, 2020
We develop a unified minimal scheme to classify quantum chaos in the Sachdev-Ye-Kitaev (SYK) and supersymmetric (SUSY) SYK models and also work out the structure of the energy levels in one periodic table.
Fadi Sun, Jinwu Ye
semanticscholar   +1 more source

Utility of Computed Tomography Surveillance of Asymptomatic Infection in Children and Young Adults Before Allogeneic Hematopoietic Stem Cell Transplant

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Asymptomatic infection poses a significant risk for children undergoing hematopoietic stem cell transplantation (HSCT). Pre‐transplant surveillance computed tomography (CT) is commonly used to identify occult infection, though its diagnostic yield remains uncertain.
Tyler Obermark   +9 more
wiley   +1 more source

Unheard and Under‐Supported: Health‐Related Quality of Life in Children, Adolescents, and Young Adults With Sickle Cell Disease

open access: yesPediatric Blood &Cancer, EarlyView.
Abstract Background Sickle cell disease (SCD) is an autosomal recessive hemoglobinopathy affecting millions of individuals worldwide. The clinical expression and psychosocial burden of SCD vary widely across geographical, cultural, and healthcare system contexts, underscoring the need for setting‐specific approaches to assessment.
Desiré Fantasia   +7 more
wiley   +1 more source

30 ANOS DAS TABELAS PERIÓDICAS DA SBQ: CURSOS PASSADOS E ESTADO ATUAL [PDF]

open access: yesQuímica Nova
In 2025, the Brazilian Chemical Society (SBQ) celebrates the 30th anniversary of its periodic table of the elements, first launched in 1995 in two printed formats: an A4-sized version with detailed chemical information and a poster version with a ...
Ana Paula de Lima Batista   +3 more
doaj   +1 more source

Evaluation of the periodic table as a teaching tool and content for conceptual change in chemical processes

open access: yesJournal of Science and Education, 2023
This study focused on two crucial chemistry concepts, chemical bonding and related reactions. It explored how learners may conceptually use the periodic table in their scientific understanding.
Thabo Mhlongo, Thomas Dipogiso Sedumedi
doaj   +1 more source

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