Results 101 to 110 of about 20,682 (267)

Electroenzymatic CO2 Fixation

open access: yesAngewandte Chemie International Edition, EarlyView.
Electroenzymatic CO2 fixation enables energy‐efficient, highly selective synthesis of complex molecules. Unlocking its full potential requires fundamental understanding of electrode‐coupled reductases and carboxylases. This review critically discusses available enzymes, product scope, and key thermodynamic and kinetic considerations, highlighting ...
Leonardo Castañeda‐Losada   +4 more
wiley   +1 more source

A comparative study of bovine bone used alone and in combination with transforming growth factor-beta for the treatment of periodontal osseous defects in humans

open access: yesSaudi Journal of Medicine and Medical Sciences, 2015
Objectives: Transforming growth factor-betas (TGFβs) are multifunctional growth factors with a broad range of biological activities in various cell types in many different tissues.
Khalid S Hassan, Adel S Alagl
doaj   +1 more source

U.S. Coins: Public Views on Changing Coin Design [PDF]

open access: yes, 2002
A letter report issued by the General Accounting Office with an abstract that begins "The designs on three of the most common U.S. coins, the penny, nickel, and dime, have remained largely unchanged for over 50 years.
United States. General Accounting Office.
core  

Multi‐method analysis for the three‐dimensional reconstruction of muscle fascicles from DiceCT datasets

open access: yesThe Anatomical Record, EarlyView.
Abstract Muscle architecture is a major determinant of muscle performance and, in mammalian lineages, has been correlated with both feeding ecology and locomotor behaviors. Over the past decade, contrast‐enhanced micro‐CT (DiceCT) has emerged as an alternative to traditional dissection‐based measurement.
Aleksandra Ratkiewicz   +5 more
wiley   +1 more source

Minimum effective concentration 90 (EC90) of ropivacaine for Femoral nerve block: A biased-coin up-and-down sequential method study

open access: yesIndian Journal of Anaesthesia
Background and Aims: The femoral nerve (FN) is commonly blocked using ropivacaine to provide postoperative analgesia after knee surgery. However, the minimal required concentration has not yet been defined.
Ahmed M. Taha   +5 more
doaj   +1 more source

Twin pregnancies and the limits of the energetics of gestation and growth hypothesis

open access: yesThe Anatomical Record, EarlyView.
Abstract The “Energetics of Gestation and Growth” (EGG) hypothesis proposes that human birth timing and the associated secondary altriciality of human newborns is determined by limits in maternal metabolic capacity. According to this model, labor is triggered when the increasing fetal energy requirements exceed the expectant mother's maximum sustained ...
Cédric Cordey   +2 more
wiley   +1 more source

Form flows function: Learner‐centered game Re‐design in a STEM classroom

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Re‐designing games facilitates interest‐driven learning and immerses learners in systems thinking. However, there are limited studies exploring how the form and function of tabletop games influence learners' design decisions and learning experiences. To address this gap, we conducted a mixed‐methods study in a STEM classroom in western Canada.
Farzan Baradaran Rahimi   +2 more
wiley   +1 more source

Beyond standardisation, subjects and syllabi: How primary schools organise for arts richness in an era of curriculum reform

open access: yesBritish Educational Research Journal, EarlyView.
Abstract As England embarks on its first comprehensive curriculum review in fifteen years, this paper offers critical insights from schools that sustained arts‐rich provision despite a policy landscape hostile to creative subjects. Drawing on data from the Researching Arts‐rich Primary Schools (RAPS) project—a mixed‐methods study of 76 arts‐rich ...
Pat Thomson, Christine Hall
wiley   +1 more source

How wildlife respond to tropical cyclones: short‐term tactics and long‐term impacts

open access: yesBiological Reviews, EarlyView.
ABSTRACT From butterflies to lizards and from sharks to seabirds, wildlife exhibit tactics to survive the impacts of tropical cyclones, also known as hurricanes, cyclones, or typhoons depending on where they occur. Some species seek refuge during the storm by moving, some remain in place and ride it out, and others move longer distances, avoiding the ...
Erin L. Koen   +15 more
wiley   +1 more source

Venture Funding: Signals of Environmental Orientation and Their Interplay With Investor‐ and Country‐Level Characteristics

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Environmentally oriented ventures pursue a dual mission: to create both environmental and financial value. This dual mission adds complexity and can influence ventures' funding prospects, as investors mostly pursue financial motivations.
David Flore   +2 more
wiley   +1 more source

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