User profiles for "author:C M Collins"

CM (Tilly) Collins

Imperial College London
Verified email at imperial.ac.uk
Cited by 1600

Molecular basis of group A streptococcal virulence

AL Bisno, MO Brito, CM Collins - The Lancet infectious diseases, 2003 - thelancet.com
The group A streptococcus (GAS)(Streptococcus pyogenes) is among the most common and
versatile of human pathogens. It is responsible for a wide spectrum of human diseases …

Safe for generations to come: Considerations of safety for millimeter waves in wireless communications

T Wu, TS Rappaport, CM Collins - IEEE microwave magazine, 2015 - ieeexplore.ieee.org
With the increasing demand for higher data rates and more reliable service capabilities for
wireless devices, wireless service providers are facing an unprecedented challenge to …

Bacterial ureases: structure, regulation of expression and role in pathogenesis

CM Collins, SEF D'Orazio - Molecular microbiology, 1993 - Wiley Online Library
The nickel metalloenzyme urease catalyses the hydrolysis of urea to ammonia and
carbamate, and thus generates the preferred nitrogen source of many organisms. When …

7T vs. 4T: RF power, homogeneity, and signal‐to‐noise comparison in head images

JT Vaughan, M Garwood, CM Collins… - … in Medicine: An …, 2001 - Wiley Online Library
Signal‐to‐noise ratio (SNR), RF field (B1), and RF power requirement for human head
imaging were examined at 7T and 4T magnetic field strengths. The variation in B1 …

B1 destructive interferences and spatial phase patterns at 7 T with a head transceiver array coil

PF Van de Moortele, C Akgun, G Adriany… - Magnetic resonance …, 2005 - Wiley Online Library
RF behavior in the human head becomes complex at ultrahigh magnetic fields. A bright
center and a weak periphery are observed in images obtained with volume coils, while …

Spatial variation in cartilage T2 of the knee

HE Smith, TJ Mosher, BJ Dardzinski… - Journal of Magnetic …, 2001 - Wiley Online Library
Technical limitations imposed by resolution and B1 homogeneity have thus far limited
quantitative in vivo T2 mapping of cartilage to the patella. The purpose of this study is to …

Interpreting insect declines: seven challenges and a way forward

RK Didham, Y Basset, CM Collins… - Insect Conservation …, 2020 - Wiley Online Library
Many insect species are under threat from the anthropogenic drivers of global change.
There have been numerous well‐documented examples of insect population declines and …

Temperature and SAR calculations for a human head within volume and surface coils at 64 and 300 MHz

CM Collins, W Liu, J Wang, R Gruetter… - Journal of Magnetic …, 2004 - Wiley Online Library
Purpose To examine relationships between specific energy absorption rate (SAR) and
temperature distributions in the human head during radio frequency energy deposition in …

SAR and B1 field distributions in a heterogeneous human head model within a birdcage coil

CM Collins, S Li, MB Smith - Magnetic Resonance in Medicine, 1998 - Wiley Online Library
Calculations of radiofrequency magnetic (B1) field and specific energy absorption rate
(SAR) distributions in a sphere of tissue and a multi‐tissue human head model in a 12 …

Customers' values, beliefs on sustainable corporate performance, and buying behavior

CM Collins, L Steg, MAS Koning - Psychology & Marketing, 2007 - Wiley Online Library
Sustainable corporate performance (SCP) requires balancing a corporation's economic,
social, and environmental performance. This research explores values, beliefs about the …