Results 11 to 20 of about 2,085,685 (309)

A Policy Search Method For Temporal Logic Specified Reinforcement Learning Tasks [PDF]

open access: yes, 2017
Reward engineering is an important aspect of reinforcement learning. Whether or not the user's intentions can be correctly encapsulated in the reward function can significantly impact the learning outcome.
amodei   +7 more
core   +1 more source

Twisted Alexander polynomials detect the unknot [PDF]

open access: yes, 2006
The group of a nontrivial knot admits a finite permutation representation such that the corresponding twisted Alexander polynomial is not a unit.Comment: This is the version published by Algebraic & Geometric Topology on 14 November ...
Crowell   +6 more
core   +3 more sources

Oxidation of the borohydride Ion at silver nanoparticles on a glassy carbon electrode (GCE) using pulsed potential techniques [PDF]

open access: yes, 2019
Direct oxidation borohydride fuel cells are very attractive energy conversion devices. Silver has been reported as one of the few materials which can catalyze an 8-electron oxidation.
Alatorre-Ordaz, A   +5 more
core   +1 more source

An environmentally benign antimicrobial nanoparticle based on a silver-infused lignin core [PDF]

open access: yes, 2015
Silver nanoparticles have antibacterial properties, but their use has been a cause for concern because they persist in the environment. Here, we show that lignin nanoparticles infused with silver ions and coated with a cationic polyelectrolyte layer form
A Duval   +58 more
core   +2 more sources

Effects of Altering Freshwater Chemistry on Physiological Responses of Rainbow Trout to Silver Exposure [PDF]

open access: yes, 1999
The influence of different water Cl- (50–600 μM), Ca2+ (50–1,500 μM), Na+ (50–1,500 μM), or dissolved organic carbon (DOC, 0.31–5 mg/L) levels on silver-induced physiological and biochemical perturbations of rainbow trout were investigated.
Bergman   +33 more
core   +2 more sources

Sleep extension reduces fatigue in healthy, normally-sleeping young adults [PDF]

open access: yesSleep Science, 2019
Objective: To assess the effects of one week of sleep extension on mood, fatigue and subjective sleepiness in normal-sleeping young adults. Methods: Twenty-seven adults (age 24.4±5.4 years, 11 female) participated.
Janna Mantua   +8 more
doaj   +1 more source

Landscape of Congenital Adrenal Hyperplasia Newborn Screening in the United States

open access: yesInternational Journal of Neonatal Screening, 2020
Newborn screening (NBS) is a state-based public health program that aims to identify newborns at risk of certain disorders in the first days after birth to prevent permanent disability or death. Disorders on the Health and Human Services Federal Advisory
Sari Edelman   +4 more
doaj   +1 more source

Perspectives on Development of Measures to Estimate Career Blast Exposure History in Service Members and Veterans

open access: yesFrontiers in Neurology, 2022
The Department of Defense (DOD) has recently prioritized the investigation of the acute and chronic adverse brain health and performance effects of low-level blast (LLB) generated by the use of weapons systems.
Stephanie M. Turner   +10 more
doaj   +1 more source

A cross-sectional study of the relationship between reported human papillomavirus vaccine exposure and the incidence of reported asthma in the United States

open access: yesSAGE Open Medicine, 2019
Objectives: Asthma is a chronic disorder that affects persons of all ages impacting the quality of their lives. This cross-sectional hypothesis-testing study evaluated the relationship between human papillomavirus vaccine and the risk of an incident ...
David A Geier   +2 more
doaj   +1 more source

From Concept to Clinical Product: A Brief History of the Novel Shigella Invaplex Vaccine’s Refinement and Evolution

open access: yesVaccines, 2022
The Shigella invasin complex or Invaplex vaccine is a unique subunit approach to generate a protective immune response. Invaplex is a large, macromolecular complex consisting of the major Shigella antigens: lipopolysaccharide (LPS) and the invasion ...
K. Ross Turbyfill   +3 more
doaj   +1 more source

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