Results 11 to 20 of about 5,670,099 (298)

The EVN view of the highly variable TeV active galaxy IC 310 [PDF]

open access: yes, 2015
Very-high-energy $\gamma$-ray observations of the active galaxy IC 310 with the MAGIC telescopes have revealed fast variability with doubling time scales of less than 4.8min.
Bach, U.   +11 more
core   +1 more source

The preparation of ketene dithioacetals and thiophenes from chloropyridines containing an active methylene group [PDF]

open access: yes, 2010
The base catalysed reaction of carbon disulphide with the active methylene groups of chloropyridines 4 and 7, followed by alkylation with reagents which also contain active methylene groups, lead to ketene dithioacetals.
Bremner, David H.   +2 more
core   +3 more sources

Tandem ring-closing metathesis reaction with a ruthenium catalyst containing a N-heterocyclic ligand [PDF]

open access: yes, 2001
The highly active catalyst 2 was used in tandem RCM to make molecules with various ring systems containing α,β-unsaturated carbonyl ...
Choi, Tae-Lim, Grubbs, Robert H.
core   +1 more source

Diquat Derivatives: Highly Active, Two-Dimensional Nonlinear Optical Chromophores with Potential Redox Switchability [PDF]

open access: yes, 2010
In this article, we present a detailed study of structure−activity relationships in diquaternized 2,2′-bipyridyl (diquat) derivatives. Sixteen new chromophores have been synthesized, with variations in the amino electron donor substituents, π-conjugated ...
Abbotto A.   +131 more
core   +2 more sources

Risk Factors for Suboptimal Adherence Identified by Patient-Reported Outcomes Assessments in Routine HIV Care at 2 North American Clinics

open access: yesPatient Preference and Adherence, 2022
Duncan Short,1 Xueqi Wang,2 Shivali Suri,3 Thomas K Hsu,2 Bryn Jones,1 Rob J Fredericksen,4 Heidi M Crane,4 Alexandra Musten,5 Jean Bacon,5 Yongwei Wang,2 Kevin A Gough,3 Moti Ramgopal,6 Jeff Berry,7 William B Lober4 1ViiV Healthcare, Brentford, UK ...
Short D   +13 more
doaj  

Organoaluminium complexes of ortho-, meta-, para-anisidines: synthesis, structural studies and ROP of ε-caprolactone (and rac-lactide) [PDF]

open access: yes, 2014
Reaction of Me₃Al (two equivalents) with ortho-, meta- or para-anisidine, (OMe)(NH₂)C₆H₄, affords the complexes {[1,2-(OMe),NC₆H₄(μ-Me₂Al)](μ-Me₂Al)}₂ (1), [1,3-(Me₃AlOMe),NHC₆H₄(μ-Me₂Al)]2 (2) or [1,4-(Me₃AlOMe),NHC₆H₄(μ-Me₂Al)]₂ (3), respectively.
Elsegood, Mark R J   +12 more
core   +2 more sources

Health functional literacy and adherence to antiretroviral therapy in people living with HIV

open access: yesRevista Gaúcha de Enfermagem, 2021
Objective: To verify the relationship between adherence to antiretroviral therapy and Functional Health Literacy. Methods: Cross-sectional study, carried out in the Specialized Care Service in 2019, using questionnaires about adherence to treatment and ...
Taciane Alvarenga Perez   +2 more
doaj   +2 more sources

Delftia acidovorans: A Rare Pathogen Isolated from Pleural Fluid in an Immunocompromised Host [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2022
Delftia acidovorans is an aerobic, non fermentative gram negative rod that belongs to the Pseudomonas ribosomal Ribonucleic Acid (rRNA) homology Group III. The sources of isolation are sludge, biological waste water treatment plants.
P Ganesh Perumal   +2 more
doaj   +1 more source

Bidentate N,O-prolinate ruthenium benzylidene catalyst highly active in RCM of disubstituted dienes [PDF]

open access: yes, 2007
The synthesis of a bidentate N,O-prolinate ruthenium benzylidene from commercially available starting materials and its activity in ring-closing metathesis of functionalized disubstituted dienes at 30 °C is ...
Grubbs, Robert H., Samec, Joseph S. M.
core   +3 more sources

Health outcomes among HIV‐positive Latinos initiating antiretroviral therapy in North America versus Central and South America

open access: yesJournal of the International AIDS Society, 2016
Introduction Latinos living with HIV in the Americas share a common ethnic and cultural heritage. In North America, Latinos have a relatively high rate of new HIV infections but lower rates of engagement at all stages of the care continuum, whereas in ...
Carina Cesar   +21 more
doaj   +1 more source

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