Deputy Vice-Chancellor (Research)

Research Output 1969 2019

1969

ESTIMATION OF STEROIDS BY USING GAS-LIQUID CHROMATOGRAPHY WITH AN ELECTRON-CAPTURE DETECTOR - PREPARATION OF HEPTAFLUOROBUTYRATE ESTERS AND THEIR PURIFICATION ON SEPHADEX LH-20

Challis, J. & Heap, RB., 1969, BIOCHEMICAL JOURNAL. Vol. 112. p. P36-&

Research output: Chapter in Book/Conference paperConference paper

133 Downloads (Pure)

Investigations in the field of electron energy loss

Hartley, B. M., 1969, (Unpublished)

Research output: ThesisDoctoral Thesis

File
1970

IDENTIFICATION OF PROGESTERONE IN FLUSHINGS FROM REPRODUCTIVE TRACT OF NON-PREGNANT GUINEA-PIGS

Challis, J. & Illingwo, DV., 1970, In : Journal of Reproduction and Fertility. 22, 3, p. 583-&

Research output: Contribution to journalLetter

METABOLIC CLEARANCE RATES AND CONVERSIONS OF OESTRADIOL-17BETA IN SHEEP

Challis, J., Harrison, FA. & Heap, RB., 1970, BIOCHEMICAL JOURNAL. Vol. 118. p. P11-&

Research output: Chapter in Book/Conference paperConference paper

10 Citations (Scopus)

STEROID MONO-HEPTAFLUOROBUTYRATES AND DIHEPTAFLUOROBUTYRATES - PREPARATION, PURIFICATION AND ESTIMATION

Challis, J. & Heap, RB., 1970, In : Journal of Chromatography A. 50, 2, p. 228-&

Research output: Contribution to journalArticle

1971

CONCENTRATION OF TOTAL UNCONJUGATED OESTROGENS IN PLASMA OF PREGNANT GOATS

Challis, J. & Linzell, JL., 1971, In : Journal of Reproduction and Fertility. 26, 3, p. 401-&

Research output: Contribution to journalLetter

132 Citations (Scopus)

CONCENTRATIONS OF OESTROGEN AND PROGESTERONE IN PLASMA OF NONPREGNANT, PREGNANT AND LACTATING GUINEA-PIGS

Challis, J., Heap, RB. & Illingwo, DV., 1971, In : Journal of Endocrinology. 51, 2, p. 333-&

Research output: Contribution to journalArticle

PLASMA LEVELS OF PROGESTERONE AND OESTROGEN IN PREGNANT GUINEA-PIG

Illingwo, DV., Challis, J. & Henville, A., 1971, JOURNAL OF REPRODUCTION AND FERTILITY. Vol. 25. p. 305-&

Research output: Chapter in Book/Conference paperConference paper

168 Citations (Scopus)

SHARP INCREASE IN FREE CIRCULATING OESTROGENS IMMEDIATELY BEFORE PARTURITION IN SHEEP

Challis, J., 1971, In : Nature. 229, 5281, p. 208-&

Research output: Contribution to journalArticle

UTERINE PRODUCTION OF OESTROGENS AND PROGESTERONE AT PARTURITION IN SHEEP

Challis, J., Harrison, FA. & Heap, RB., 1971, JOURNAL OF REPRODUCTION AND FERTILITY. Vol. 25. p. 306-&

Research output: Chapter in Book/Conference paperConference paper

1972

COMPUTER ANALYSIS OF MULTIPLE HORMONE ASSAYS (CORTISOL, ESTROGENS, PROGESTERONE AND LH)

Broad, S., Challis, J., Walters, DE., Jenkin, G. & Heap, RB., 1972, JOURNAL OF PHYSIOLOGY-LONDON. Vol. 226. p. P23-&

Research output: Chapter in Book/Conference paperConference paper

ESTROGENS IN PREGNANT GUINEA-PIG

Challis, J. & Illingwo, DV., 1972, JOURNAL OF REPRODUCTION AND FERTILITY. Vol. 31. p. 504-505

Research output: Chapter in Book/Conference paperConference paper

OXYTOCIN IN PLASMA OF CONSCIOUS GUINEA-PIGS DURING PARTURITION

Burton, AM., Challis, J., Mcneilly, AS. & Illingwo, DV., 1972, JOURNAL OF PHYSIOLOGY-LONDON. Vol. 226. p. P94-&

Research output: Chapter in Book/Conference paperConference paper

POSSIBLE ROLE OF ESTROGENS IN STIMULATION OF PROSTAGLANDIN F 2ALPHA OUTPUT AT TIME OF PARTURITION IN A SHEEP

Challis, J., Harrison, FA., Poyser, NL., Heap, RB. & Horton, EW., 1972, In : Journal of Reproduction and Fertility. 30, 3, p. 485-&

Research output: Contribution to journalLetter

1973

BINDING OF ESTROGENS TO OVINE SERUM-ALBUMIN

Challis, J., 1973, In : Journal of Endocrinology. 56, 2, p. 319-320

Research output: Contribution to journalLetter

CONCENTRATIONS OF ESTROGENS AND PROGESTERONE IN PLASMA OF OVARIECTOMIZED AND OVARIECTOMIZED NORGESTREL-TREATED PREGNANT GUINEA-PIGS

Illingwo, DV. & Challis, J., 1973, In : Reproduction. 34, 2, p. 289-296

Research output: Contribution to journalArticle

163 Citations (Scopus)

CONCENTRATIONS OF PROGESTERONE, ESTRONE AND ESTRADIOL-17-BETA IN PLASMA OF PREGNANT RABBITS

Challis, J., Davies, IJ. & Ryan, KJ., 1973, In : Endocrinology. 93, 4, p. 971-976

Research output: Contribution to journalArticle

17 Citations (Scopus)

ESTRONE METABOLISM IN PREGNANT AND LACTATING GOATS

Challis, J. & Linzell, JL., 1973, In : Journal of Endocrinology. 57, 3, p. 451-457

Research output: Contribution to journalArticle

18 Citations (Scopus)

KINETICS OF ESTRADIOL-17BETA METABOLISM IN SHEEP

Challis, J., Harrison, FA. & Heap, RB., 1973, In : Journal of Endocrinology. 57, 1, p. 97-110

Research output: Contribution to journalArticle

11 Citations (Scopus)

METABOLIC CLEARANCE RATE PRODUCTION RATE AND CONVERSION RATIOS OF ESTRONE IN SHEEP

Challis, J., Harrison, FA. & Heap, RB., 1973, In : Journal of Endocrinology. 58, 3, p. 435-446

Research output: Contribution to journalArticle

15 Citations (Scopus)

RELATIONSHIP BETWEEN PROGESTERONE AND PROSTAGLANDIN-F CONCENTRATIONS IN PLASMA OF PREGNANT RABBITS

Challis, J., Davies, IJ. & Ryan, KJ., 1973, In : PROSTAGLANDINS. 4, 4, p. 509-516

Research output: Contribution to journalArticle

STUDIES ON ENDOCRINOLOGY OF PARTURITION IN GUINEA-PIG

Illingwo, DV., Ackland, N., Burton, AM., Challis, J., Heap, RB. & Perry, JS., 1973, JOURNAL OF REPRODUCTION AND FERTILITY. Vol. 33. p. 361-362

Research output: Chapter in Book/Conference paperConference paper

1974
1 Citation (Scopus)
10 Citations (Scopus)

COMPARISON BETWEEN CONCENTRATION OF PROSTAGLANDIN-F IN HUMAN PLASMA AND SERUM

Challis, J. & Tulchins, D., 1974, In : PROSTAGLANDINS. 5, 1, p. 27-31

Research output: Contribution to journalArticle

32 Citations (Scopus)

CONCENTRATIONS OF ANDROGENS, ESTROGENS, PROGESTERONE AND LUTEINIZING-HORMONE IN SERUM OF FORTAL CALVES THROUGHOUT COURSE OF GESTATION

Challis, J., Kim, CK., Naftolin, F., Judd, HL., Yen, SSC. & Benirsch, K., 1974, In : Journal of Endocrinology. 60, 1, p. 107-115

Research output: Contribution to journalArticle

21 Citations (Scopus)

CONCENTRATIONS OF PROGESTERONE, ESTRONE AND ESTRADIOL-17-BETA IN MYOMETRIUM OF PREGNANT RABBIT AND THEIR RELATIONSHIP TO PERIPHERAL PLASMA STEROID CONCENTRATIONS

Challis, J., Davies, IJ. & Ryan, KJ., 1974, In : Endocrinology. 95, 1, p. 160-164

Research output: Contribution to journalArticle

17 Citations (Scopus)

CONCENTRATIONS OF PROGESTERONE, ESTRONE AND ESTRADIOL-17 BETA IN PERIPHERAL PLASMA OF RHESUS-MONKEY DURING FINAL THIRD OF GESTATION, AND AFTER INDUCTION OF ABORTION WITH PGF2 ALPHA

Challis, J., Davies, IJ., Benirsch, K., Hendrick, AG. & Ryan, KJ., 1974, In : Endocrinology. 95, 2, p. 547-553

Research output: Contribution to journalArticle

CONTROL OF DIFFERENTIATION OF RABBIT GRANULOSA-CELLS

Erickson, GF. & Challis, J., 1974, JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY. Vol. 5. p. 385-385

Research output: Chapter in Book/Conference paperConference paper

40 Citations (Scopus)

DEVELOPMENTAL-STUDY ON CAPACITY OF RABBIT GRANULOSA-CELLS TO RESPOND TO TROPHIC HORMONES AND SECRETE PROGESTERONE INVITRO

Erickson, GF., Challis, J. & Ryan, KJ., 1974, In : Developmental Biology. 40, 2, p. 208-224

Research output: Contribution to journalArticle

46 Citations (Scopus)

EFFECTS OF DEXAMETHASONE ON PLASMA STEROID LEVELS AND FETAL ADRENAL HISTOLOGY IN PREGNANT RHESUS-MONKEY

Challis, J., Davies, IJ., Benirsch, K., Hendrick, AG. & Ryan, KJ., 1974, In : Endocrinology. 95, 5, p. 1300-1305

Research output: Contribution to journalArticle

7 Citations (Scopus)

EFFECTS OF PROSTAGLANDIN-F2ALPHA AND OVARIECTOMY ON PERIPHERAL PLASMA STEROID CONCENTRATIONS AND EVOLUTION OF MYOMETRIAL ACTIVITY IN PREGNANT RABBIT

Challis, J., Porter, DG. & Ryan, KJ., 1974, In : Endocrinology. 95, 3, p. 783-792

Research output: Contribution to journalArticle

4 Citations (Scopus)

EXTRACTION OF ESTROGENS, AND RATE OF SECRETION OF ESTRONE AND ESTRADIOL-17BETA BY UTERUS IN PREGNANT SHEEP

Challis, J., Harrison, FA. & Heap, RB., 1974, In : Journal of Endocrinology. 61, 2, p. 277-284

Research output: Contribution to journalArticle

7 Citations (Scopus)

FAILURE OF HIGH UTERINE CONCENTRATIONS OF PROGESTERONE TO INHIBIT MYOMETRIAL ACTIVITY INVIVO IN POSTPARTUM RAT

Porter, DG. & Challis, J., 1974, In : Journal of Reproduction and Fertility. 39, 1, p. 157-162

Research output: Contribution to journalLetter

24 Citations (Scopus)

MATERNAL AND FETAL PLASMA PROSTAGLANDIN LEVELS AT VAGINAL DELIVERY AND CESAREAN-SECTION

Challis, J., Osathano, R., Ryan, KJ. & Tulchins, D., 1974, In : PROSTAGLANDINS. 6, 4, p. 281-288

Research output: Contribution to journalArticle

27 Citations (Scopus)

PARTURITION IN GUINEA-PIG - PLASMA-LEVELS OF STEROID-HORMONES, STEROID-BINDING PROTEINS, AND OXYTOCIN, AND EFFECT OF CORTICOSTEROIDS, PROSTAGLANDINS AND ADRENOCORTICOTROPIN

Illingworth, DV., Challis, J., Ackland, N., Burton, AM., Heap, RB. & Perry, JS., 1974, In : Journal of Endocrinology. 63, 3, p. 557-570

Research output: Contribution to journalArticle

13 Citations (Scopus)

PLACENTAL-TRANSFER OF OXYTOCIN IN GUINEA-PIG AND ITS RELEASE DURING PARTURITION

Burton, AM., Illingwo, DV., Challis, J. & Mcneilly, AS., 1974, In : Journal of Endocrinology. 60, 3, p. 499-506

Research output: Contribution to journalArticle

11 Citations (Scopus)

PROGESTERONE RECEPTORS IN MYOMETRIUM OF PREGNANT RABBITS

Davies, IJ., Challis, J. & Ryan, KJ., 1974, In : Endocrinology. 95, 1, p. 165-173

Research output: Contribution to journalArticle

2 Citations (Scopus)

PROSTAGLANDIN-F IN PERIPHERAL PLASMA OF RHESUS-MONKEY IN NORMAL-PREGNANCY AND AFTER ADMINISTRATION OF DEXAMETHASONE AND PGF2ALPHA

Challis, J., Davies, IJ., Hendrick, AG. & Ryan, KJ., 1974, In : PROSTAGLANDINS. 6, 5, p. 389-396

Research output: Contribution to journalArticle

17 Citations (Scopus)

PROSTAGLANDIN-F PRODUCTION INVITRO BY GRANULOSA-CELLS FROM RABBIT PRE-OVULATORY FOLLICLES

Challis, J., Erickson, GF. & Ryan, KJ., 1974, In : PROSTAGLANDINS. 7, 3, p. 183-193

Research output: Contribution to journalArticle

1975
18 Citations (Scopus)

DEVELOPMENT OF ENDOCRINE FUNCTION IN HUMAN FETUS

Challis, J., Robinson, JS., Rurak, DW. & Thorburn, GD., 1975, ANNALS OF HUMAN BIOLOGY. Vol. 2. p. 87-87

Research output: Chapter in Book/Conference paperConference paper

EFFECT OF REMOVAL OF UTERINE CARUNCLES ON CONCENTRATION OF PROGESTERONE IN PERIPHERAL PLASMA OF NON-PREGNANT SHEEP

Robinson, JS., Challis, J., Forster, CS., Furr, BJA. & Thorburn, GD., 1975, ACTA ENDOCRINOLOGICA. Vol. 80. p. 157-157

Research output: Chapter in Book/Conference paperConference paper

14 Citations (Scopus)

EFFECTS OF DEXAMETHASONE AND INDOMETHACIN ON OUTCOME OF PREGNANCY IN RABBIT

Challis, J., Davies, IJ. & Ryan, KJ., 1975, In : Journal of Endocrinology. 64, 2, p. 363-370

Research output: Contribution to journalArticle

52 Citations (Scopus)

EFFECTS OF DEXAMETHASONE ON PERIPHERAL PLASMA CONCENTRATIONS OF ANDROSTENEDIONE, TESTOSTERONE AND CORTISOL IN PREGNANT RHESUS-MONKEY

Challis, J., Davies, IJ., Benirschke, K., Hendrickx, AG. & Ryan, KJ., 1975, In : Endocrinology. 96, 1, p. 185-192

Research output: Contribution to journalArticle

EFFECTS OF DEXAMETHASONE ON PLASMA STEROID CONCENTRATIONS AND FETAL ADRENAL HISTOLOGY IN PREGNANT RHESUS-MONKEY

Challis, J., Davies, IJ., Benirschke, K., Hendrickx, AG. & Ryan, KJ., 1975, JOURNAL OF ENDOCRINOLOGY. Vol. 65. p. P40-P41

Research output: Chapter in Book/Conference paperConference paper

3 Citations (Scopus)

PLASMA UNCONJUGATED 15ALPHA-HYDROXYOESTRIOL (OESTETROL) LEVELS IN NORMAL HUMAN PREGNANCY

Korda, AR., Challis, J., Anderson, ABM. & Turnbull, AC., 1975, In : BJOG: an International Journal of Obstetrics and Gynecology. 82, 11, p. 882-886

Research output: Contribution to journalArticle

20 Citations (Scopus)

PRENATAL ENDOCRINE FUNCTION AND INITIATION OF PARTURITION

Challis, J. & Thorburn, GD., 1975, In : British Medical Bulletin. 31, 1, p. 57-62

Research output: Contribution to journalArticle

PROSTAGLANDIN-F AND STEROID PRODUCTION IN SHEEP AFTER LUTEAL REGRESSION INDUCED WITH A SYNTHETIC PROSTAGLANDIN ANALOGUE, ICI, CLOPROSTENOL

Challis, J., Forster, CS., Furr, BJA., Robinson, JS. & Thorburn, GD., 1975, ACTA ENDOCRINOLOGICA. Vol. 80. p. 247-247

Research output: Chapter in Book/Conference paperConference paper

STEROID CHANGES ASSOCIATED WITH INDUCTION OF PREMATURE PARTURITION IN INTACT AND HYPOPHYSECTOMIZED FETAL LAMBS

Kendall, JZ., Challis, J., Jones, CT., Ritchie, JWK. & Thorburn, GD., 1975, ACTA ENDOCRINOLOGICA. Vol. 80. p. 96-96

Research output: Chapter in Book/Conference paperConference paper

1976
10 Citations (Scopus)

CORTISOL IN AMNOTIC FLUID OF RHESUS-MONKEYS

Patrick, JE., Challis, J., Johnson, P., Robinson, JS. & Thorburn, GD., 1976, In : Journal of Endocrinology. 68, 1, p. 161-162

Research output: Contribution to journalLetter