Determination of naphthodianthrones in plant extracts from Hypericum perforatum L. by liquid chromatography–electrospray mass spectrometry

G Piperopoulos, R Lotz, A Wixforth, T Schmierer… - … of Chromatography B …, 1997 - Elsevier
… The 0.1 M triethylammonium acetate buffer was prepared by dissolving 10.1 g
triethylamine and 6 g acetic acid in 1 l water. The pH was adjusted to 7 with triethylamine. …

[BOOK][B] Entrepreneurship, innovation and business clusters

PG Piperopoulos - 2016 - taylorfrancis.com
In Entrepreneurship, Innovation and Business Clusters, Panos Piperopoulos provides a
comprehensive introduction to what entrepreneurship is all about, how and why entrepreneurs …

Is Greece finally on the right path toward entrepreneurship, innovation, and business clusters?

P Piperopoulos, G Piperopoulos - International Journal of Public …, 2009 - Taylor & Francis
The article presents and appraises the innovative performance of Greece from the 1990s to
the present and argues that Greece's economic strategy up to now has had little if anything to …

The characteristics of environmental organisations in Greece in relation to employment of a public relations officer

GP Piperopoulos, GE Tsantopoulos - Environmental Politics, 2006 - Taylor & Francis
One of the most serious problems of our times is the protection of the environment. Within
this framework, a significant contribution is made by environmental organisations in raising …

The oxidative biotransformation of losoxantrone (CI-941)

…, G Piperopoulos, R Gebhardt, G Ehninger… - Drug metabolism and …, 2002 - ASPET
… By incubating 1 ml of different CI-941 concentrations in the same cell density throughout,
we assumed a specific gravity of 1 g/ml for each solution at the beginning of incubation. …

[PDF][PDF] Control your Stress & Manage your time!

GP Piperopoulos - London: bookboon, 2016 - feagraduate.org
… Professor Piperopoulos has published several textbooks and many popular books in Greek
and English and authored hundreds of articles and editorials in leading Greek Newspapers …

On the role of psychology in Greece: Comment on Bouhoutsos and Roe.

G Piperopoulos - 1985 - psycnet.apa.org
The present author agrees for the most part with JC Bouhoutsos and KV Roe's (see record
1984-26827-001) article concerning the current state of Greek psychology but clarifies the …

[PDF][PDF] Fundamentals of communication, PR and leadership

GP Piperopoulos - 2013 - otcbahrain.com
2.1 The scheme of human communication 21 2.2 Defining human communication 22 2.3
Language in human communication 23 2.4 Words in a language 24 2.5 Signs and Symbols 24 …

[Methyl-D3]2hypericin as internal standard for quantification in human plasma

G Piperopoulos, A Kiehne, A Ingendoh… - Analytical and …, 2003 - Springer
The multistep synthesis and negative ion-ESI fragmentation pattern of [methyl-D 3 ] 2 hypericin
(1-d 6 ) is described. The application of 1-d 6 as internal standard for the quantification of …

Assessment of sorption kinetics of carbon nanotube‐based composite foams for oil recovery application

E Piperopoulos, L Calabrese… - Journal of Applied …, 2019 - Wiley Online Library
… The solvents, water (0.5 g) and ethanol (0.2 g), were used to reduce the composite slurry
viscosity.28, 29 Finally, the tin catalyst (0.5 g) was added under vigorous stirring for about 15 s. …