B. C. Challis

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Chemistry of nitroso-compounds. Part 16. Formation of N-nitrosamines from dissolved NOCI in the presence of alkanolamines and related compounds.

D. Shuker, B. C. Challis, 1980, Food and cosmetics toxicology.

Rapid formation of N-nitrosamines from nitrogen oxides under neutral and alkaline conditions.

B. C. Challis, A. Edwards, R. Hunma, 1978, IARC scientific publications.

The chemistry of nitroso-compounds. Part 11. Nitrosation of amines by the two-phase interaction of amines in solution with gaseous oxides of nitrogen

S. Kyrtopoulos, B. C. Challis, 1979 .

Oxidation of N-nitrosopiperidine in the Udenfriend model system and its metabolism by rat-liver microsomes.

M. Rayman, B. C. Challis, 1975, Biochemical pharmacology.

Rapid formation of carcinogenic N-nitrosamines in aqueous alkaline solutions.

S. Kyrtopoulos, B. C. Challis, 1977, British Journal of Cancer.

Decomposition of N-nitrosopeptides in strong acids

R. Mitchell, J. Milligan, B. C. Challis, 1991 .

Synthesis and characterisation of some new N-nitrosodipeptides

R. Mitchell, J. Milligan, B. C. Challis, 1990 .

Mutagenic properties of N-nitrosopeptides in mammalian cell culture assays.

A. R. Hopkins, D. Anderson, R. Massey, 1986, Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association.

Environmental exposures to N-nitroso compounds and precursors: general review of methods and current status

B. C. Challis, 1996, European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation.

1000. Nitrosation, diazotisation, and deamination. Part XI. The acid-catalysed diazotisation of the anilinium and related ions in aqueous perchloric acid (up to 3·0M)

J. Ridd, B. C. Challis, 1962 .

The chemistry of nitroso-compounds. Part V. Encounter control for the nitrosation of indoles in dilute acid

B. C. Challis, A. Lawson, 1973 .

The donor specificity and kinetics of the hydrolysis reaction of γ-glutamyltransferase

T. Peters, N. Cook, B. C. Challis, 1987 .

The regiospecific alkylation of amides. MNDO SCF-MO calculations

H. Rzepa, J. Iley, B. C. Challis, 1983 .

Rapid nitrosation of amines in aqueous alkaline solutions by β-substituted alkyl nitrites

D. Shuker, B. C. Challis, 1979 .

Substitution at an amino nitrogen

A. Butler, B. C. Challis, 2010 .

The imidate–amide rearrangement: an explanation for the ambident nucleophilic properties of neutral amides

B. C. Challis, A. Frenkel, 1972 .

The chemistry of nitroso compounds. Part 12. The mechanism of nitrosation and nitration of aqueous piperidine by gaseous dinitrogen tetraoxide and dinitrogen trioxide in aqueous alkaline solutions. Evidence for the existence of molecular isomers of dinitrogen tetraoxide and dinitrogen trioxide

S. Kyrtopoulos, B. C. Challis, 1978 .

The reaction of geminal bromonitroalkanes with nucleophiles. Part 1. The decomposition of 2-bromo-2-nitropropane-1,3-diol (‘Bronopol’) in aqueous base

T. Yousaf, B. C. Challis, 1991 .

The chemistry of nitroso compounds. Part 13. Decomposition of N-nitroso-2-pyrrolidone under basic conditions, an unusual example of nucleophilic catalysed hydrolysis of an amide derivative

B. C. Challis, S. P. Jones, 1979 .

A comparative electron microscope study of early changes in rat liver induced by N-nitrosopiperidine and 2,2',6,6'-tetramethyl-N-nitrosopiperidine.

B. Flaks, B. C. Challis, 1981, Carcinogenesis.

Fine structure of rat liver during chronic intoxication with two heterocyclic N-nitrosamines: N-nitrosopiperidine and the non-carcinogen, 2,2',6,6'-tetramethyl-N-nitrosopiperidine.

B. Flaks, B. C. Challis, 1980, Carcinogenesis.

Synthesis, characterization, and immunochemical detection of O6-(carboxymethyl)-2'-deoxyguanosine: a DNA adduct formed by nitrosated glycine derivatives.

D. Shuker, B. C. Challis, K. Harrison, 1997, Chemical research in toxicology.

The chemistry of nitroso-compounds. Part VII. The first ‘fast’ proton transfer for an aromatic nitrosation

B. C. Challis, R. Higgins, 1973 .

Nutrition and nitrosamine formation

B. C. Challis, 1985, Proceedings of the Nutrition Society.

A screening procedure for total N‐nitroso contaminants in personal care products: results of collaborative studies undertaken by a CTPA Working Group

W. G. Guthrie, J. Pollock, B. C. Challis, 1995, International Journal of Cosmetic Science.

Formation of diazopeptides by nitrogen oxides.

M. Fernandes, B. C. Challis, F. Latif, 1987, IARC scientific publications.

Possible cocarcinogenic effects of coffee constituents

C. Bartlett, B. C. Challis, B. C. Challis, 1975, Nature.

Rapid Nitrosation of Phenols and its Implications for Health Hazards from Dietary Nitrites

B. C. Challis, 1973, Nature.

Reduction of nitrosamines in cosmetic products

W. G. Guthrie, B. C. Challis, D. Trew, 1995, International journal of cosmetic science.

Protective effect of a new antioxidant on acute hepatotoxicity caused by morpholine plus nitrite in rats.

A. Surján, B. C. Challis, M. Börzsönyi, 1981, Toxicology letters.

The chemistry of nitroso-compounds. Part 15. Formation of N-nitrosamines in solution from gaseous nitric oxide in the presence of iodine

B. C. Challis, J. R. Outram, 1979 .

Rapid formation of N-nitrosamines from nitric oxide in the presence of silver(I) salts

B. C. Challis, J. R. Outram, 1978 .

Bacterially mediated N-nitrosation reactions and endogenous formation of N-nitroso compounds.

M. Hill, A. Cook, S. Leach, 1987, IARC scientific publications.

New pathways for the rapid formation of N-nitrosamines under neutral and alkaline conditions.

D. Shuker, B. C. Challis, J. R. Outram, 1980, IARC scientific publications.

Rhizobium issues affecting the contribution of caucasian clover to New Zealand pastoral agriculture

C. Ronson, W. Lowther, R. Elliot, 1998 .

Potential alkylating agents from the oxidation of carcinogenic cyclic n-nitrosamines.

M. Rayman, B. C. Challis, 1973, British Journal of Cancer.

Hydrolysis of oxaziridines. Part 3. Evidence for both O- and N-conjugate acid formation with 2,3,3-triethyloxaziridine

A. Butler, A. M. Lobo, B. C. Challis, 1979 .

Trace determination of amines and other nitrogen containing compounds with a modiefied thermal energy analyzer (TEATM)

E. A. Walker, D. Fine, B. C. Challis, 1982 .

The reaction of phenylethenes with NO2

J. Iley, D. Bryant, B. C. Challis, 1989 .

The Reaction of Phenylethenes with NO2.

J. Iley, D. Bryant, B. C. Challis, 1990 .

Chemistry and biology of nitrosated peptides.

B. C. Challis, 1989, Cancer surveys.

THE CHEMISTRY OF NITROSO COMPOUNDS. PART

S. Kyrtopoulos, B. C. Challis, 1979 .

The chemistry of nitroso-compounds. Part VI. Direct and indirect transnitrosation reactions of N-nitrosodiphenylamine

M. Osborne, B. C. Challis, 1973 .

Mechanism of diazo-coupling to indoles and effect of steric hindrance on rate-limiting step

H. Rzepa, B. C. Challis, 1975 .

The chemistry of nitroso-compounds. Part III. The nitrosation of substituted benzenes in concentrated acids

B. C. Challis, R. Higgins, A. Lawson, 1972 .