Results 51 to 60 of about 13,992,929 (227)

Metal–Organic Frameworks–Based Surface–Enhanced Raman Scattering Substrates for Gas Sensing

open access: yesChemosensors, 2023
Gas sensing holds great significance in environment monitoring, real–time security alerts and clinical diagnosis, which require sensing technology to distinguish various target molecules with extreme sensitivity and selectivity.
Weiqing Xiong   +3 more
doaj   +1 more source

Life detection [PDF]

open access: yes, 1969
Compact automated laboratory unit has 60 independently treatable culture chamber assemblies for metabolic studies of cultured microorganisms on the surface of Mars or other ...
Martin, W. H.
core   +1 more source

Synergistic Tuning of Active Sites and π-Conjugation in 2D Conductive MOFs Boosts Uric Acid Electrosensing

open access: yesChemosensors
Uric acid (UA) detection is critical for human health monitoring, necessitating the development of electrochemical sensing electrodes suitable for physiological environments.
Yanli Liu   +5 more
doaj   +1 more source

In situ organic biosignature detection techniques for space applications

open access: yesFrontiers in Astronomy and Space Sciences, 2022
The search for life in Solar System bodies such as Mars and Ocean Worlds (e.g., Europa and Enceladus) is an ongoing and high-priority endeavor in space science, even ∼ five decades after the first life detection mission at Mars performed by the twin ...
Victor Abrahamsson   +2 more
doaj   +1 more source

Personal life event detection from social media [PDF]

open access: yes, 2014
Creating video clips out of personal content from social media is on the rise. MuseumOfMe, Facebook Lookback, and Google Awesome are some popular examples. One core challenge to the creation of such life summaries is the identification of personal events,
Alani, Harith, Choudhury, Smitashree
core   +1 more source

On-line transformer condition monitoring through diagnostics and anomaly detection [PDF]

open access: yes, 2009
This paper describes the end-to-end components of an on-line system for diagnostics and anomaly detection. The system provides condition monitoring capabilities for two in- service transmission transformers in the UK.
Catterson, V.M.   +3 more
core   +1 more source

Detecting nanoscale vibrations as signature of life [PDF]

open access: yesProceedings of the National Academy of Sciences, 2014
Significance The quest to find life in extreme and extraterrestrial environments is exciting and touches many research fields. One of the common signatures of life is movement: Even small microorganisms vibrate in response to their metabolic activity.
Kasas Sandor   +8 more
openaire   +3 more sources

Bi-Objective Community Detection (BOCD) in Networks using Genetic Algorithm

open access: yes, 2011
A lot of research effort has been put into community detection from all corners of academic interest such as physics, mathematics and computer science. In this paper I have proposed a Bi-Objective Genetic Algorithm for community detection which maximizes
A. Lancichinetti   +22 more
core   +1 more source

Quantification of over-speed risk in wind turbine fleets [PDF]

open access: yes, 2011
The effective life management of large and diverse fleets of wind turbines is a new problem facing power system utilities. More specifically, the minimization of over-speed risk is of high importance due to the related impacts of possible loss of life ...
Ault, Graham, Mcmillan, David
core   +1 more source

Snow Surface Microbial Diversity at the Detection Limit within the Vicinity of the Concordia Station, Antarctica

open access: yesLife, 2022
The Concordia Research Station provides a unique location for preparatory activities for future human journey to Mars, to explore microbial diversity at subzero temperatures, and monitor the dissemination of human-associated microorganisms within the ...
Alessandro Napoli   +5 more
doaj   +1 more source

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