User profiles for Angela Harper

Angela F. Harper

Alexander von Humboldt Fellow, Fritz Haber Institute of the Max Planck Society
Verified email at fhi-berlin.mpg.de
Cited by 277

Atkins and other low-carbohydrate diets: hoax or an effective tool for weight loss?

A Astrup, TM Larsen, A Harper - The Lancet, 2004 - thelancet.com
Context The Atkins diet books have sold more than 45 million copies over 40 years, and in
the obesity epidemic this diet and accompanying Atkins food products are popular. The diet …

The respiratory burst of phagocytic cells is associated with a rise in vacuolar pH

AW Segal, M Geisow, R Garcia, A Harper, R Miller - Nature, 1981 - nature.com
Neutrophil leukocytes are the body's major defence against bacteria, which they phagocytose
and kill. It has been found that phagocytosis and killing are accompanied by a dramatic …

Controlling nucleation, growth, and orientation of metal halide perovskite thin films with rationally selected additives

…, JS Niezgoda, MR Alpert, AF Harper… - Journal of materials …, 2017 - pubs.rsc.org
Accelerating the progress toward realizing metal halide perovskite solar cells with improved
efficiency, stability and reliability requires a deeper understanding of the thin film formation …

Low-nutrient induction of abnormal chlamydial development: a novel component of chlamydial pathogenesis?

AM Coles, DJ Reynolds, A Harper… - FEMS microbiology …, 1993 - academic.oup.com
The intracellular development of chlamydiae in McCoy cells incubated in Eagle's minimal
essential medium lacking all 13 amino acids was examined both by fluorescence and electron …

Chlamydial development is adversely affected by minor changes in amino acid supply, blood plasma amino acid levels, and glucose deprivation

A Harper, CI Pogson, ML Jones… - Infection and …, 2000 - Am Soc Microbiol
This study has demonstrated the extreme sensitivity ofChlamydia trachomatis growing in
McCoy cells to small changes in external amino acid supply. In the absence of cycloheximide, a …

Oxidation-reduction properties of the cytochrome b found in the plasma-membrane fraction of human neutrophils. A possible oxidase in the respiratory burst

AR Cross, OT Jones, AM Harper… - Biochemical …, 1981 - portlandpress.com
The oxidation-reduction midpoint potential of the cytochrome b found in the plasma membrane
of human neutrophils has been determined at pH 7.0 (Em,7.0) from measurements of …

Increased satiety after intake of a chocolate milk drink compared with a carbonated beverage, but no difference in subsequent ad libitum lunch intake

A Harper, A James, A Flint, A Astrup - British Journal of Nutrition, 2007 - cambridge.org
The rising rate of obesity has been blamed on increased consumption of sugar-sweetened
soft drinks, such as carbonated sodas, which fail to satisfy hunger. The objective of the …

Computational investigation of copper phosphides as conversion anodes for lithium-ion batteries

AF Harper, ML Evans, AJ Morris - Chemistry of Materials, 2020 - ACS Publications
Using first-principles structure searching with density-functional theory (DFT), we identify a
novel Fm3̅m phase of Cu 2 P and two low-lying metastable structures, an I4̅3d–Cu 3 P …

[HTML][HTML] Modelling amorphous materials via a joint solid-state NMR and X-ray absorption spectroscopy and DFT approach: application to alumina

AF Harper, SP Emge, PCMM Magusin, CP Grey… - Chemical …, 2023 - pubs.rsc.org
Understanding a material's electronic structure is crucial to the development of many functional
devices from semiconductors to solar cells and Li-ion batteries. A material's properties, …

Antioxidant effects of isoflavonoids and lignans, and protection against DNA oxidation

A Harper, DJ Kerr, A Gescher… - Free Radical …, 1999 - Taylor & Francis
The antioxidant capability of a series of isoflavonoid and lignan compounds in both cellular
and cell-free systems has been investigated, and related to structure. Nordihydroguaiaretic …