User profiles for Michael Hoffmann

Michael R. Hoffmann

Professor of Environmental Science & Chemistry, Engineering & Applied Science, Caltech …
Verified email at caltech.edu
Cited by 81748

The impact of conservation on the status of the world's vertebrates

M Hoffmann, C Hilton-Taylor, A Angulo, M Böhm… - science, 2010 - science.org
Using data for 25,780 species categorized on the International Union for Conservation of
Nature Red List, we present an assessment of the status of the world’s vertebrates. One-fifth of …

The Role of Metal Ion Dopants in Quantum-Sized TiO2: Correlation between Photoreactivity and Charge Carrier Recombination Dynamics

W Choi, A Termin, MR Hoffmann - The Journal of Physical …, 2002 - ACS Publications
A systematic study of metal ion doping in quantum (Q)-sized (2—4 nm) TiC> 2 colloids is
performedby measuring their photoreactivities and the transient charge carrier recombination …

Effectiveness of the global protected area network in representing species diversity

…, GAB Da Fonseca, KJ Gaston, M Hoffmann… - Nature, 2004 - nature.com
The Fifth World Parks Congress in Durban, South Africa, announced in September 2003 that
the global network of protected areas now covers 11.5% of the planet's land surface 1 . This …

Environmental applications of semiconductor photocatalysis

MR Hoffmann, ST Martin, W Choi… - Chemical …, 1995 - ACS Publications
Hoffmann has published more than 140 peer-received professional papers and is the
holder ol five patents in the subject areas of applied chemical kinetics, environmental …

Industry 4.0

…, P Fettke, HG Kemper, T Feld, M Hoffmann - Business & information …, 2014 - Springer
Industry is the part of an economy that produces material goods which are highly mechanized
and automatized. Ever since the beginning of industrialization, technological leaps have …

Global biodiversity conservation priorities

…, GAB Da Fonseca, J Gerlach, M Hoffmann… - science, 2006 - science.org
The location of and threats to biodiversity are distributed unevenly, so prioritization is
essential to minimize biodiversity loss. To address this need, biodiversity conservation …

The status of the world's land and marine mammals: diversity, threat, and knowledge

…, JS Chanson, F Chiozza, NA Cox, M Hoffmann… - Science, 2008 - science.org
Knowledge of mammalian diversity is still surprisingly disparate, both regionally and
taxonomically. Here, we present a comprehensive assessment of the conservation status and …

The conservation status of the world's reptiles

…, J Chanson, N Cox, G Hammerson, M Hoffmann… - Biological …, 2013 - Elsevier
Effective and targeted conservation action requires detailed information about species, their
distribution, systematics and ecology as well as the distribution of threat processes which …

[HTML][HTML] The value of the IUCN Red List for conservation

…, JD Pilgrim, JF Lamoreux, M Hoffmann… - Trends in ecology & …, 2006 - cell.com
The IUCN Red List of Threatened Species is the most comprehensive resource detailing the
global conservation status of plants and animals. The 2004 edition represents a milestone …

Preparation and characterization of quantum-size titanium dioxide

…, DW Bahnemann, MR Hoffmann - The Journal of Physical …, 1988 - ACS Publications
The syntheses of transparent colloidal solutions of extremely small titanium dioxide particles
(d< 3 nm) in water, ethanol, 2-propanol, and acetonitrile are presented. Quantum-size …