Results 51 to 60 of about 96,909 (232)

Entropy Crisis, Ideal Glass Transition and Polymer Melting: Exact Solution on a Husimi Cactus

open access: yes, 2003
We introduce an extension of the lattice model of melting of semiflexible polymers originally proposed by Flory. Along with a bending penalty, present in the original model and involving three sites of the lattice, we introduce an interaction energy that
A. Baumgartner   +53 more
core   +1 more source

Analysis of Gene Expression in Aedes aegypti Suggests Changes in Early Genetic Control of Mosquito Development

open access: yesJournal of Experimental Zoology Part B: Molecular and Developmental Evolution, EarlyView.
ABSTRACT Aedes aegypti, a critical vector for tropical diseases, poses significant challenges for studying its embryogenesis due to difficulties in removing its rigid chorion and achieving effective fixation for in situ hybridization. Here, we present novel methodologies for fixation, dechorionation, DAPI staining, and in situ hybridization, enabling ...
Renata Coutinho‐dos‐Santos   +8 more
wiley   +1 more source

Field host range of Apanteles opuntiarum (Hymenoptera: Braconidae) in Argentina, a potential biocontrol agent of Cactoblastis cactorum (Lepidoptera: Pyralidae) in North America [PDF]

open access: yes, 2015
Field exploration in Argentina for cactophagous lepidopteran hosts parasitized by the recently described braconid parasitoid Apanteles opuntiarum Martínez & Berta (Hymenoptera: Braconidae) revealed a host range restricted to Cactoblastis cactorum (Berg) (
Carpenter, James E.   +5 more
core  

Embracing Creative Nonconformists and Promoting Them May Require Leaders' High Control Appraisals

open access: yesJournal of Organizational Behavior, EarlyView.
ABSTRACT Promoting creative employees is essential to innovation and organizational success. However, leaders do not always embrace the nonconformist nature of creative behaviors. This study examines how leaders' control appraisals—a personal orientation reflecting their belief in their own ability to control situations—influence their receptiveness ...
Xue Peng, Wen Cheng, Man‐Nok Wong
wiley   +1 more source

Digestive Stability and Bioaccessibility of Antioxidants in Prickly Pear Fruits from the Canary Islands: Healthy Foods and Ingredients

open access: yesAntioxidants, 2020
Although prickly pear fruits have become an important part of the Canary diet, their native varieties are yet to be characterized in terms of betalains and phenolic compounds.
Andrea Gómez-Maqueo   +3 more
doaj   +1 more source

Effects of Cattle Traffic on Sclerocactus wrightiae

open access: yesLand, 2023
Cattle grazing has been a historic use of rangelands in Utah since pioneer settlement in the mid-1800’s. Wright fishhook cactus is a small globose cactus endemic to an area of 280,000 ha in south–central Utah and was listed as endangered in October of ...
David Lariviere   +4 more
doaj   +1 more source

A Massive Data Parallel Computational Framework for Petascale/Exascale Hybrid Computer Systems

open access: yes, 2012
Heterogeneous systems are becoming more common on High Performance Computing (HPC) systems. Even using tools like CUDA and OpenCL it is a non-trivial task to obtain optimal performance on the GPU.
Blazewicz, Marek   +7 more
core   +1 more source

The Ironic Effects of Financial Constraint‐Induced Suppression on Consumer Behavior

open access: yesPsychology &Marketing, EarlyView.
ABSTRACT Financial constraints are a pervasive concern for consumers, shaping spending patterns and psychological coping mechanisms. While previous research has primarily focused on behavioral adaptations, this study explores a cognitive mechanism: thought suppression.
Jane So, Miao Miao, Yuki Nishida
wiley   +1 more source

Extraction, purification, structural features, biological activities, and applications of polysaccharides from Opuntia ficus-indica (L.) Mill. (cactus): a review

open access: yesFrontiers in Pharmacology
Cactus has attracted increasing attention from researchers due to its rich nutritional, edible, and medicinal value. Cactus contains abundant polysaccharides, polyphenols, vitamins, amino acids, minerals, and more.
Xudong Liu   +6 more
doaj   +1 more source

The silent guardians of the Quebrada de Humahuaca: the ethnobotany of the “cardón” (Trichocereus atacamensis, Cactaceae) among indigenous people of the Department of Tilcara (Jujuy, Argentina)

open access: yesBonplandia, 2018
The “cardón”, Trichocereus atacamensis, is an emblematic species in the Quebrada de Humahuaca (Jujuy, Argentina). However, although data can be found scattered throughout the literature, its ethnobotany has never been studied in depth.
María F. Barbarich, María E. Suárez
doaj   +1 more source

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