Results 171 to 180 of about 443,094 (345)

Nitric oxide mitigates salt stress effects of pepper seedlings by altering nutrient uptake, enzyme activity and osmolyte accumulation

open access: green, 2019
Mostafakamal Shams   +6 more
openalex   +2 more sources

RNA sequencing and weighted gene co-expression network analysis uncover the hub genes controlling cold tolerance in Helictotrichon virescens seedlings

open access: gold, 2022
Mingjun Cheng   +14 more
openalex   +1 more source

Heat drastically alters floral color and pigment composition without affecting flower conspicuousness

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise Floral pigments primarily serve to attract pollinators through color display and also contribute to protection against environmental stress. Although pigment composition can be plastically altered under stress, its impact on pollinator color perception remains poorly understood.
Eduardo Narbona   +6 more
wiley   +1 more source

Demographic viability of populations of \u3cem\u3eSilene regis\u3c/em\u3e in midwestern prairies: relationships with fire management, genetic variation, geographic location, population size and isolation [PDF]

open access: yes, 1998
We studied the demographic viability of populations of a long-lived iteroparous prairie perennial, Silene regia, in relation to management regimes, population sizes, geographical region (Ohio and Indiana vs.
Dolan, Rebecca W., Menges, Eric S.
core   +1 more source

Surface‐Coated Inorganic Nanomaterials for Drug Delivery: Chemical Design, Biomedical Applications, and Mechanistic Insights

open access: yesAdvanced NanoBiomed Research, EarlyView.
This review explores how surface‐coated inorganic nanomaterials are chemically engineered for advanced drug delivery. It highlights design principles, coating strategies, and biomedical applications, emphasizing how surface chemistry governs biocompatibility, targeting, and controlled release.
Hossein Daneshgar   +4 more
wiley   +1 more source

Developmental anatomy of Cyperus laxus (non-Nranz) and Fimbristylis dichotoma (Kranz) (Cyperaceae, Poales) and tissue continuity

open access: yesAnais da Academia Brasileira de Ciências, 2013
The Cyperaceae species are present in different ecosystems and constitute the herbaceous extract. Of the approximately 5,500 species of the family; a third has Kranz anatomy, representing an important characteristic of the taxonomy and phylogeny of the ...
SHIRLEY MARTINS, VERA L. SCATENA
doaj  

Noninvasive Glucose Detection with Biodegradable Electrodes from Rice Starch Functionalized with a Carbon Quantum Dot/Nickel Oxide Nanocomposite

open access: yesAnalysis &Sensing, EarlyView.
The graphical abstract shows an eco‐friendly approach to fabricating a biodegradable electrochemical sensor. Carbon quantum dot/nickel oxide (CQD/NiO) nanocomposites are synthesized using Aloe arborescens leaf extract, which served as a natural reducing and stabilizing agent.
Nokwanda Ngema   +3 more
wiley   +1 more source

Growth and competition model for organic weed control [PDF]

open access: yes, 2002
There is a more detailed Executive Summary at the top of the attached document, which is the final report for Defra Project OF0177. The project aimed to examine the organic extension of a simple mechanistically-based growth and competition model ...
Anon
core  

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