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J F Knowles

Explore the profile of J F Knowles including associated specialties, affiliations and a list of published articles. Areas
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Articles 28
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Recent Articles
1.
Real A, Sundell-Bergman S, Knowles J, Woodhead D, Zinger I
J Radiol Prot . 2005 Feb; 24(4A):A123-37. PMID: 15700702
In order to develop a framework for the assessment of the environmental impact of radiation, it is necessary to establish the relationship between exposure (dose rate, accumulated dose) and the...
2.
Jarvis R, Knowles J
Mutat Res . 2003 Oct; 541(1-2):63-9. PMID: 14568295
This study has determined the sensitivity of the alkaline comet assay for the detection of strand breaks in the DNA of cells taken from a whole organism rather than a...
3.
Knowles J
Int J Radiat Biol . 2001 Feb; 75(6):773-82. PMID: 10405008
Purpose: Previous investigation showed the very significant effects of chronic gamma-radiation on plaice testes at mean absorbed dose rates as low as 1.3 mGy h(-1) given over a period of...
4.
Greenwood L, Knowles J
Int J Radiat Biol . 1995 Jan; 67(1):71-7. PMID: 7852820
Eelpout (Zoarces viviparus), a marine fish, were exposed to gamma-radiation at a dose-rate of 2.0 mGy h-1. They were injected with the antigen trinitrophenyl-keyhole limpet haemocyanin (TNP-KLH) and their specific...
5.
Robbins M, Barnes D, Hopewell J, Knowles J, Rezvani M, SANSOM J
Br J Radiol . 1992 Oct; 65(778):910-7. PMID: 1422666
The right kidney of female Large White pigs, approximately 14 weeks old, was irradiated with fractionated doses of fast neutrons (42 MeVd-->Be). The total doses used were 6.6-9.2 Gy. Changes...
6.
Knowles J
Int J Radiat Biol . 1992 Aug; 62(2):239-48. PMID: 1355518
Two separate experiments have examined the effect of exposing rainbow trout to chronic gamma-radiation, commencing immediately after fertilization. In experiment 1 the period of exposure extended for 20 days with...
7.
Robbins M, Barnes D, Campling D, Hopewell J, Knowles J, SANSOM J, et al.
Br J Radiol . 1991 Sep; 64(765):823-30. PMID: 1913046
The effects of fractionated doses of fast neutrons (42 MeVd----Be) on the radiation response of the pig kidney have been assessed and compared with those observed after X irradiation. Following...
8.
Knowles J, Nimmon C
Br J Radiol . 1989 Jan; 62(733):87-90. PMID: 2914200
No abstract available.
9.
Hopewell J, Barnes D, Robbins M, SANSOM J, Knowles J, VAN DEN AARDWEG G
Br J Radiol . 1988 Oct; 61(730):928-38. PMID: 3191318
The effects of fractionated doses of fast neutrons (42 MeVd----Be) on the early epithelial and later dermal response of pig skin have been assessed and compared with those after X...
10.
Knowles J, Trott K
Radiother Oncol . 1987 Sep; 10(1):59-66. PMID: 3671773
Following X-irradiation of a 1.5 cm length of rat ureter, hydronephrosis developed after doses down to 10 Gy. The estimated ED50 was 11.8 Gy. In the dose range 37.4 Gy...