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J. PHILIP RYAN
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Articles

Comparison of Plasma Zinc Levels in Sheep Following Supplementation with Zinc Sulphate and Bioplex Zinc

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J. Philip Ryan, Pat Kearns, Teresa Quinn
Journal: Biochemical Society Transactions
Biochem Soc Trans (2000) 28 (1): A26.
https://doi.org/10.1042/bst028a026c
Published: 01 February 2000
View articletitled, Comparison of Plasma Zinc Levels in Sheep Following Supplementation with Zinc Sulphate and Bioplex Zinc
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Articles

Elevation of volatile fatty acid levels and adjustment of acetate/propionate ratios during ruminal fermentation of various feedstuffs with the high strength yeast culture, Yea-Sacc 1026

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J. PHILIP RYAN, WILLIAM R. GRAY
Journal: Biochemical Society Transactions
Biochem Soc Trans (1991) 19 (1): 72S.
https://doi.org/10.1042/bst019072s
Published: 01 February 1991
View articletitled, Elevation of volatile fatty acid levels and adjustment of acetate/propionate ratios during ruminal fermentation of various feedstuffs with the high strength yeast culture, Yea-Sacc 1026
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Articles

Characteristics of the simplest type of bulk-incubation artificial rumen for the production of volatile fatty acids

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J. PHILIP RYAN
Journal: Biochemical Society Transactions
Biochem Soc Trans (1990) 18 (2): 347–349.
https://doi.org/10.1042/bst0180347
Published: 01 April 1990
View articletitled, Characteristics of the simplest type of bulk-incubation artificial rumen for the production of volatile fatty acids
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Articles

Two distinct modes of action, namely ab initio and ad finem , of the yeast culture Yea-Sacc on ruminal fermentation in sheep

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WILLIAM R. GRAY, J. PHILIP RYAN
Journal: Biochemical Society Transactions
Biochem Soc Trans (1990) 18 (2): 349–350.
https://doi.org/10.1042/bst0180349
Published: 01 April 1990
View articletitled, Two distinct modes of action, namely ab initio and ad finem , of the yeast culture Yea-Sacc on ruminal fermentation in sheep
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Articles

The suggestion that the yeast cell Saccharomyces cerevisiae may absorb sufficient hydrogen ions to increase ruminal fluid pH is untenable

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J. PHILIP RYAN
Journal: Biochemical Society Transactions
Biochem Soc Trans (1990) 18 (2): 350–351.
https://doi.org/10.1042/bst0180350
Published: 01 April 1990
View articletitled, The suggestion that the yeast cell Saccharomyces cerevisiae may absorb sufficient hydrogen ions to increase ruminal fluid pH is untenable
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Articles

On simplifying ruminal fermentation techniques in vitro

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J. PHILIP RYAN
Journal: Biochemical Society Transactions
Biochem Soc Trans (1989) 17 (2): 389–390.
https://doi.org/10.1042/bst0170389
Published: 01 April 1989
View articletitled, On simplifying ruminal fermentation techniques in vitro
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Articles

Effect of yeast culture on volatile fatty acid levels in ovine rumen fluid incubated with oats, barley and hay

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WILLIAM R. GRAY, J. PHILIP RYAN
Journal: Biochemical Society Transactions
Biochem Soc Trans (1989) 17 (2): 390–392.
https://doi.org/10.1042/bst0170390
Published: 01 April 1989
View articletitled, Effect of yeast culture on volatile fatty acid levels in ovine rumen fluid incubated with oats, barley and hay
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Articles

Effect of high strength yeast culture ab initio utilizes a residual source of volatile fatty acids in strained ruminal fluid from hay-fed sheep

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J. PHILIP RYAN, WILLIAM R. GRAY
Journal: Biochemical Society Transactions
Biochem Soc Trans (1989) 17 (2): 392–393.
https://doi.org/10.1042/bst0170392
Published: 01 April 1989
View articletitled, Effect of high strength yeast culture ab initio utilizes a residual source of volatile fatty acids in strained ruminal fluid from hay-fed sheep
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Articles

Inhibition of prostaglandin synthase by some low molecular mass fatty acids

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J. PHILIP RYAN, GORDON DAVIS
Journal: Biochemical Society Transactions
Biochem Soc Trans (1988) 16 (3): 398–399.
https://doi.org/10.1042/bst0160398a
Published: 01 June 1988
View articletitled, Inhibition of prostaglandin synthase by some low molecular mass fatty acids
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Articles

Crotonic acid: a major inhibitor of reticulo-ruminal motility in sheep

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J. PHILIP RYAN
Journal: Biochemical Society Transactions
Biochem Soc Trans (1981) 9 (4): 334–335.
https://doi.org/10.1042/bst0090334
Published: 01 August 1981
View articletitled, Crotonic acid: a major inhibitor of reticulo-ruminal motility in sheep
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Articles

The critical analysis of a method for estimating the mean overall intracellular pH value in yeast illustrating the effect of errors in assumed cellular parameters

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J. PHILIP RYAN
Journal: Biochemical Society Transactions
Biochem Soc Trans (1980) 8 (5): 580–581.
https://doi.org/10.1042/bst0080580
Published: 01 October 1980
View articletitled, The critical analysis of a method for estimating the mean overall intracellular pH value in yeast illustrating the effect of errors in assumed cellular parameters
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Articles

How Covariance of pH and the Concentration of Weak Acids in Biological Fluids Modifies the Variance of Calculated Amounts of the Respective Acidic and Conjugated Anionic Moieties

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J. PHILIP RYAN
Journal: Biochemical Society Transactions
Biochem Soc Trans (1979) 7 (3): 541–543.
https://doi.org/10.1042/bst0070541
Published: 01 June 1979
View articletitled, How Covariance of pH and the Concentration of Weak Acids in Biological Fluids Modifies the Variance of Calculated Amounts of the Respective Acidic and Conjugated Anionic Moieties
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Articles

A Method for Estimating Standard Errors of the Mean Concentrations of Dissociated and Undissociated Forms of a Weak Acid in Aqueous Solution from Experimentally Determined Values of pH and Total Acid

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J. PHILIP RYAN
Journal: Biochemical Society Transactions
Biochem Soc Trans (1979) 7 (1): 63–65.
https://doi.org/10.1042/bst0070063
Published: 01 February 1979
View articletitled, A Method for Estimating Standard Errors of the Mean Concentrations of Dissociated and Undissociated Forms of a Weak Acid in Aqueous Solution from Experimentally Determined Values of pH and Total Acid
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Articles

A Thin-Layer-Chromatographic Procedure for the Separation of Pethidine and its Metabolites in Urine

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S. E. FIDELMA O'DONOGHUE-RYAN, J. PHILIP RYAN
Journal: Biochemical Society Transactions
Biochem Soc Trans (1977) 5 (3): 715–717.
https://doi.org/10.1042/bst0050715
Published: 01 June 1977
View articletitled, A Thin-Layer-Chromatographic Procedure for the Separation of Pethidine and its Metabolites in Urine
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Articles

A Comprehensive System for the Identification and Quantitative Determination of Phenothiazines and their Metabolites

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S. E. FIDELMA O'DONOGHUE-RYAN, J. PHILIP RYAN
Journal: Biochemical Society Transactions
Biochem Soc Trans (1975) 3 (6): 1235–1237.
https://doi.org/10.1042/bst0031235
Published: 01 December 1975
View articletitled, A Comprehensive System for the Identification and Quantitative Determination of Phenothiazines and their Metabolites
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Articles

The Pattern of [ 99 Mo]Molybdenum Incorporation and Distribution in Various Animal Systems in Relation to Possible Cytosolic Enzyme Regulation

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J. PHILIP RYAN, MAUREEN J. SMYTH, DERMOT P. O'CALLAGHAN, EDWARD J. DUKE
Journal: Biochemical Society Transactions
Biochem Soc Trans (1974) 2 (5): 1017–1020.
https://doi.org/10.1042/bst0021017
Published: 01 October 1974
View articletitled, The Pattern of [ 99 Mo]Molybdenum Incorporation and Distribution in Various Animal Systems in Relation to Possible Cytosolic Enzyme Regulation
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Articles

Uric Acid: a Possible Regulator of Xanthine Oxidase Activity in Q-Strain Mice

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J. PHILIP RYAN, KAY McKENNA, EDWARD J. DUKE
Journal: Biochemical Society Transactions
Biochem Soc Trans (1973) 1 (3): 742–745.
https://doi.org/10.1042/bst0010742
Published: 01 May 1973
View articletitled, Uric Acid: a Possible Regulator of Xanthine Oxidase Activity in Q-Strain Mice
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Articles

Comparative Aspects of Xanthine—Oxygen Oxidoreductase Systems

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TOMMY J. HAYDEN, J. PHILIP RYAN, EDWARD J. DUKE
Journal: Biochemical Society Transactions
Biochem Soc Trans (1973) 1 (1): 247–250.
https://doi.org/10.1042/bst0010247
Published: 01 January 1973
View articletitled, Comparative Aspects of Xanthine—Oxygen Oxidoreductase Systems
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