Results 31 to 40 of about 4,797,403 (215)

Effects of water-borne copper on the survival, antioxidant status, metallothionein-I mRNA expression and physiological responses of the Chinese mitten crab, Eriocheir sinensis (Decapoda: Brachyura) larvae

open access: yesScientia Marina, 2014
The lethal concentration of water-borne copper in Chinese mitten crab Eriocheir sinensis larvae was tested by exposing the animals to 0, 0.1, 0.2, 0.3, 0.5 and 0.8 mg Cu L-1 at 20°C for 96 h.
Shengming Sun   +4 more
doaj   +1 more source

Measuring physiological influence in dyads: A guide to designing, implementing, and analyzing dyadic physiological studies. [PDF]

open access: yes, 2018
Scholars across domains in psychology, physiology, and neuroscience have long been interested in the study of shared physiological experiences between people. Recent technological and analytic advances allow researchers to examine new questions about how
Mendes, Wendy Berry   +2 more
core   +1 more source

Age structure landscapes emerge from the equilibrium between aging and rejuvenation in bacterial populations. [PDF]

open access: yes, 2018
The physiological asymmetry between daughters of a mother bacterium is produced by the inheritance of either old poles, carrying non-genetic damage, or newly synthesized poles.
Buetz, Christen   +4 more
core   +3 more sources

Effects of green exercise and walking in natural environments on physiological and cognitive health

open access: yesPhysical Education of Students
Background and Study Aim. Exposure to natural environments is an important factor in physical and mental well-being. However, the specific effects of outdoor walking on cognitive and physiological health still require the search for effective solutions ...
Akan Bayrakdar, Elif Güneş
doaj   +1 more source

A snake of a different color: physiological color change in Arizona black rattlesnakes [PDF]

open access: yes, 2011
Coloration may serve a variety of behavioral (e.g., crypsis, communication) and physiological (e.g., thermoregulation, protection) functions for terrestrial ectotherms. However, optimal coloration for a given function may vary over environments (spatial
Jeffrey J. Smith, Melissa Amarello
core   +2 more sources

Mechanism of Fruit Ripening - Chapter 16 [PDF]

open access: yes, 2010
The fruit ripening process has been viewed over the last decades as being successively of physiological, biochemical, and molecular nature. Fruit ripening is accompanied by a number of biochemical events, including changes in color, sugar, acidity ...
Bouzayen, Mondher   +3 more
core   +1 more source

Differential Responses of Two Sorghum Genotypes to Drought Stress at Seedling Stage Revealed by Integrated Physiological and Transcriptional Analysis

open access: yesAgriculture
Drought stress significantly limits crop growth and yield, and the mechanisms underlying genotypic variation in drought tolerance remain unclear. This study investigated the growth and transcriptomic responses of two sorghum varieties, drought-sensitive ...
Manhong Wang   +6 more
doaj   +1 more source

Genetic effects conferring heat tolerance in a cross of tolerant × susceptible maize (Zea mays L.) genotypes

open access: yesFrontiers in Plant Science, 2016
Incessant rise in ambient temperature is threatening sustainability of maize productions, worldwide. Breeding heat resilient synthetics/hybrids is the most economical tool while lack of knowledge of gene action controlling heat and yield relevant traits ...
Muhammad eNaveed   +5 more
doaj   +1 more source

Exogenous Application of Nano-Silicon and Melatonin Ameliorates Salinity Injury in Coix Seedlings

open access: yesAgronomy
Soil salinization is a major environmental constraint that poses a significant threat to global agricultural productivity and food security. Coix lacryma-jobi L., a minor cereal crop that is valued for its nutritional and medicinal properties, displays ...
Beibei Qi   +4 more
doaj   +1 more source

Programmable physiological infusion [PDF]

open access: yes, 1974
A programmable physiological infusion device and method are provided wherein a program source, such as a paper tape, is used to actuate an infusion pump in accordance with a desired program. The system is particularly applicable for dispensing calcium in
Adachi, R. R.   +2 more
core   +1 more source

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