Results 1 to 10 of about 41,665 (48)

The Event Horizon Telescope Image of the Quasar NRAO 530 [PDF]

open access: yesAstrophysical Journal, 2023
We report on the observations of the quasar NRAO 530 with the Event Horizon Telescope (EHT) on 2017 April 5−7, when NRAO 530 was used as a calibrator for the EHT observations of Sagittarius A*.
S. Jorstad   +269 more
semanticscholar   +1 more source

High Efficacy of ABT-493 and ABT-530 Treatment in Patients With HCV Genotype 1 or 3 Infection and Compensated Cirrhosis.

open access: yesGastroenterology, 2016
BACKGROUND & AIMS The combination of ABT-493 (NS3/4A protease inhibitor) plus ABT-530 (NS5A inhibitor) has shown high rates of sustained virologic response at post-treatment week 12 (SVR12) in noncirrhotic patients infected with hepatitis C virus (HCV ...
E. Gane   +14 more
semanticscholar   +1 more source

Increased leukotoxin production: Characterization of 100 base pairs within the 530 base pair leukotoxin promoter region of Aggregatibacter actinomycetemcomitans

open access: yesScientific Reports, 2017
Aggregatibacter actinomycetemcomitans leukotoxin (LtxA) is a major virulence factor that kills leukocytes permitting it’s escape from host immune surveillance. A. actinomycetemcomitans strains can produce high or low levels of toxin.
V. Sampathkumar   +3 more
semanticscholar   +1 more source

Chetracins E and F, cytotoxic epipolythiodioxopiperazines from the marine-derived fungus Acrostalagmus luteoalbus HDN13-530

open access: yes, 2018
Two new epipolythiodioxopiperazines, named chetracins E and F (1 and 2), along with the known chetracin C (3), were isolated from the fungus Acrostalagmus luteoalbus HDN13-530. Their structures were elucidated based on the NMR, MS and CD data, as well as
Guihong Yu   +9 more
semanticscholar   +1 more source

The SGLT2 inhibitor empagliflozin in patients hospitalized for acute heart failure: a multinational randomized trial

open access: yesNature Network Boston, 2022
The sodium–glucose cotransporter 2 inhibitor empagliflozin reduces the risk of cardiovascular death or heart failure hospitalization in patients with chronic heart failure, but whether empagliflozin also improves clinical outcomes when initiated in ...
A. Voors   +29 more
semanticscholar   +1 more source

Potent Antiviral Activities of the Direct-Acting Antivirals ABT-493 and ABT-530 with Three-Day Monotherapy for Hepatitis C Virus Genotype 1 Infection

open access: yesAntimicrobial Agents and Chemotherapy, 2015
ABT-493 is a hepatitis C virus (HCV) nonstructural (NS) protein 3/4A protease inhibitor, and ABT-530 is an HCV NS5A inhibitor. These direct-acting antivirals (DAAs) demonstrated potent antiviral activity against major HCV genotypes and high barriers to ...
E. Lawitz   +12 more
semanticscholar   +1 more source

High antiviral activity of NS5A inhibitor ABT‐530 with paritaprevir/ritonavir and ribavirin against hepatitis C virus genotype 3 infection

open access: yesLiver international (Print), 2016
ABT‐530 is a next‐generation hepatitis C virus (HCV) NS5A inhibitor with potent pangenotypic antiviral activity in vitro. Paritaprevir is an NS3/4A protease inhibitor codosed with ritonavir that displays in vitro activity against HCV genotypes 1–4 and 6.
F. Poordad   +8 more
semanticscholar   +1 more source

Hospital costs associated with surgical morbidity after elective colorectal procedures: a retrospective observational cohort study in 530 patients

open access: yesPatient Safety in Surgery, 2014
BackgroundPostoperative complications contribute to morbidity and mortality. This study assessed the impact of surgical complications on healthcare resource utilization for patients undergoing elective colorectal procedures.MethodData were obtained on ...
E. Zoucas, M. Lydrup
semanticscholar   +1 more source

Committee opinion no. 530: access to postpartum sterilization.

open access: yesObstetrics and Gynecology, 2012
Postpartum tubal sterilization is one of the safest and most effective methods of contraception. Women who desire this type of sterilization typically undergo thorough counseling and informed consent during prenatal care and reiterate their desire for ...

semanticscholar   +1 more source

Periodic radio variabilities in NRAO 530: a jet-disc connection?

open access: yes, 2013
Time series analysis techniques, Lomb-Scargle periodogram and weighted wavelet Z-transform, have been employed to search for year-time-scale periodicities from the radio light curves of a typical blazar NRAO 530.
T. An   +4 more
semanticscholar   +1 more source

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