Robertha C. Howell

A New Type of Heteropolyoxometalates formed from Lacunary Polyoxotungstate Ions and Europium or Yttrium Cations We gratefully acknowledge Dr. Gerard Parkin and Dr. Brian Bridgewater for the use of the diffractometer at Columbia University and helpful discussions. Supported by NSF-CHE9502213, NIH-GM60654-01 (LCF), NIH-MARC (FGP), NSF-CHE-9705788 (W.D.H), and NSF Grant PCM8111745 for the purchase of the 400 MHz Spectrometer. Infrastructure at Hunter College is supported in part by NIH-Research Centers in Minority Institutions Grant RR03037-08S2.

Robertha C. Howell, Frances G. Perez, Sanhya Jain et al. · Angewandte Chemie International Edition · 2001 · 208 citations

Natural Sciences, Chemistry, Materials Science +7

The radioprotective properties of fungal melanin are a function of its chemical composition, stable radical presence and spatial arrangement

Ekaterina Dadachova, Ruth Bryan, Robertha C. Howell et al. · Pigment Cell & Melanoma Research · 2008 · 179 citations

Medicine, Microbiology, Mycology +16

Aqueous Speciation Studies of Europium(III) Phosphotungstate

Cheng Zhang, Robertha C. Howell, Kymora B. Scotland et al. · Inorganic Chemistry · 2004 · 128 citations

Natural Sciences, Chemistry, Materials Science +12

Coordination of Rare-Earth Elements in Complexes with Monovacant Wells−Dawson Polyoxoanions

Qunhui Luo, Robertha C. Howell, Michaela Dankova et al. · Inorganic Chemistry · 2001 · 109 citations

Natural Sciences, Chemistry, Crystal Structure +15

Physico-Chemical Evaluation of Rationally Designed Melanins as Novel Nature-Inspired Radioprotectors

Andrew D. Schweitzer, Robertha C. Howell, Zewei Jiang et al. · PLoS ONE · 2009 · 90 citations · Full text

Medicine, Biophysics, Chemical Biology +17