Results 31 to 40 of about 480,674 (254)

Response surface methodology to optimize the degradation of 17β-estradiol by iron nanoparticles activated peroxydisulfate

open access: yes能源环境保护, 2023
17β-estradiol (E2) is a typical endocrine disrupting compounds (EDCs) commonly found in wastewater and surface water, and is considered to cause potential environmental risks.
LIN Qiang, GONG Kaisheng, JIN Xiaoying*
doaj   +1 more source

Correlations between experimental and theoretical adiabatic ionization energies for organic compounds and rate constants for atmospheric reactions with hydroxyl radicals [PDF]

open access: yes, 2010
Adiabatic ionization energy (AIE) calculations were performed at the AM1, PM3, PM6, PDDG, HF/QZVP, and B3LYP/QZVP levels of theory on 722 atmospherically relevant organic compounds with available experimental rate constants for atmospheric reactions with
Sierra Rayne, Kaya Forest
core   +1 more source

Exploring Short and Efficient Synthetic Routes Using Titanocene(III)-Catalyzed Reactions: Total Synthesis of Natural Meroterpenes with Trisubstituted Unsaturations

open access: yesMolecules, 2022
The stereo- and regioselective total syntheses of OMe derivatives of the scarce bioactive meroterpenoids makassaric acid (1) and fascioquinol B (2) have been accomplished.
Jennifer Rosales   +2 more
doaj   +1 more source

Extremism(s) and Their Fight against Modernity: The Case of Islamists and Eco-Radicals

open access: yes, 2022
Extremism in both its vocal and violent forms is a core topic of research, as well as a priority issue standing at the top of national and international security agendas.
Elisa Orofino (16660401)
core   +5 more sources

Populations and Dynamics of Guanine Radicals in DNA strands—Direct versus Indirect Generation

open access: yesMolecules, 2019
Guanine radicals, known to be involved in the damage of the genetic code and aging, are studied by nanosecond transient absorption spectroscopy. They are generated in single, double and four-stranded structures (G-quadruplexes) by one and two-photon ...
Evangelos Balanikas   +3 more
doaj   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

Mechanism and Energetics of Intramolecular Hydrogen Transfer in Amide and Peptide Radicals and Cation-Radicals

open access: yes, 2016
Intramolecular hydrogen transfer in five model amide and peptide radicals and cation-radicals was investigated by combined B3LYP-MP2 calculations. Hypervalent ammonium radicals produced by electron capture in protonated peptides undergo competitive ...
František Tureček (2446060)   +1 more
core   +1 more source

A Hierarchy of Ligands Controls Formation of Aryl Radicals in Pd-Catalyzed Ground State Reactions [PDF]

open access: yes, 2023
Palladium salts and complexes were tested separately and in the presence of added ligands, as potential sources of aryl radicals in ground state coupling reactions of aryl halide with arenes under basic conditions (KOtBu).
John, Murphy   +2 more
core   +2 more sources

Solid Pseudopapillary Neoplasm of the Pancreas in Children and Adolescents: Expert Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Solid pseudopapillary neoplasm of the pancreas (SPN) is a rare low‐grade malignant exocrine pancreatic tumor, mostly discovered during the second decade of life in females, with a very good prognosis, provided microscopically complete surgical excision is achieved.
Sabine Irtan   +18 more
wiley   +1 more source

Facile Synthesis of Spiro[cyclohexane-1,3’-indoline]-2,2’-diones

open access: yesHeterocyclic Communications, 2019
Spiro[cyclohexane-1,3’-indoline]-2,2’-diones were easily prepared in good to high yields by the oxidation of N-aryl-N-methyl-2-oxocyclohexane-1-carboxamides in one pot with a short reaction time.
Katayama Shin-taro, Nishino Hiroshi
doaj   +1 more source

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