5 research outputs found
Superhydrophobic Carbon Aerogel Derived from Edible-Sugar for Removal of Oils and Nitro Aromatics
Herein,
we report a single-step carbonization approach
for fabricating
high-performance three-dimensional (3D) porous and superhydrophobic
carbon-aerogel (S-CA) from edible sugar. S-CA has been used here to
remove many substances, including various solvents (polar protic and
aprotic, nonpolar, and oily), oils (crude, engine, waste cooking oil,
etc.), and nitroaromatics (p-nitrophenol, dinitrophenol, 3-nitroaniline,
and 4-nitroaniline) compounds based on their adsorption abilities.
The superhydrophobic nature of porous S-CA has been supported by a
static contact angle of âŒ155° and the formation of a silver
mirror-like surface when contacted with the surface of the water.
S-CA adsorption capabilities were used to separate crude petroleum
oil, waste engine oil, and a few other types of waste oil (waste cooking,
silicon oil, and mustard oil) from the aqueous medium. Moreover, absorption
analyses were extended to the adsorption and recovery of the toxic
nitroaromatic pollutants from the aqueous medium. The nitroaromatics
were recovered from the S-CA using ethyl acetate with a percentage
recovery of more than 95%. Kinetic and intraparticle diffusion studies
are being studied to understand the type and various stages of adsorption
Abstracts of AICTE Sponsored International Conference on Post-COVID Symptoms and Complications in Health
This book presents the selected abstracts of the International Conference on Post-COVID Symptoms and Complications in Health, hosted from the 28th to 29th of April 2022 in virtual mode by the LR Institute of Pharmacy, Solan (H.P.)-173223 in Collaboration with AICTE, New Delhi. This conference focuses on the implications of long-term symptoms on public health, ways to mitigate these complications, improve understanding of the disease process in COVID-19 patients, use of computational methods and artificial intelligence in predicting complications, and the role of various drug delivery systems in combating the complications.
Conference Title:Â International Conference on Post-COVID Symptoms and Complications in HealthConference Sponsor: AICTE, New Delhi.Conference Date: 28-29 April 2022Conference Location:Â OnlineConference Organizer: LR Institute of Pharmacy, Solan (H.P.)-173223
Abstracts of AICTE Sponsored International Conference on Post-COVID Symptoms and Complications in Health
This book presents the selected abstracts of the International Conference on Post-COVID Symptoms and Complications in Health, hosted from the 28th to 29th of April 2022 in virtual mode by the LR Institute of Pharmacy, Solan (H.P.)-173223 in Collaboration with AICTE, New Delhi. This conference focuses on the implications of long-term symptoms on public health, ways to mitigate these complications, improve understanding of the disease process in COVID-19 patients, use of computational methods and artificial intelligence in predicting complications, and the role of various drug delivery systems in combating the complications.
Conference Title:Â International Conference on Post-COVID Symptoms and Complications in HealthConference Sponsor: AICTE, New Delhi.Conference Date: 28-29 April 2022Conference Location:Â OnlineConference Organizer: LR Institute of Pharmacy, Solan (H.P.)-173223
Search for intermediate-mass black hole binaries in the third observing run of Advanced LIGO and Advanced Virgo
International audienceIntermediate-mass black holes (IMBHs) span the approximate mass range 100â105âMâ, between black holes (BHs) that formed by stellar collapse and the supermassive BHs at the centers of galaxies. Mergers of IMBH binaries are the most energetic gravitational-wave sources accessible by the terrestrial detector network. Searches of the first two observing runs of Advanced LIGO and Advanced Virgo did not yield any significant IMBH binary signals. In the third observing run (O3), the increased network sensitivity enabled the detection of GW190521, a signal consistent with a binary merger of mass âŒ150âMâ providing direct evidence of IMBH formation. Here, we report on a dedicated search of O3 data for further IMBH binary mergers, combining both modeled (matched filter) and model-independent search methods. We find some marginal candidates, but none are sufficiently significant to indicate detection of further IMBH mergers. We quantify the sensitivity of the individual search methods and of the combined search using a suite of IMBH binary signals obtained via numerical relativity, including the effects of spins misaligned with the binary orbital axis, and present the resulting upper limits on astrophysical merger rates. Our most stringent limit is for equal mass and aligned spin BH binary of total mass 200âMâ and effective aligned spin 0.8 at 0.056 Gpcâ3 yrâ1 (90% confidence), a factor of 3.5 more constraining than previous LIGO-Virgo limits. We also update the estimated rate of mergers similar to GW190521 to 0.08 Gpcâ3 yrâ1.Key words: gravitational waves / stars: black holes / black hole physicsCorresponding author: W. Del Pozzo, e-mail: [email protected]â Deceased, August 2020