Charles J. W. Brooks
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Charles J. W. Brooksbiology Degrees
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Computational Biology
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Microbiology
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Biology
Charles J. W. Brooks's Degrees
- Bachelors Biology University of California, Berkeley
- PhD Microbiology Stanford University
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(Suggest an Edit or Addition)Charles J. W. Brooks's Published Works
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Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- Steroids and Squalene in Methylococcus capsulatus grown on Methane (1971) (264)
- Cholesterol oxidase: sources, physical properties and analytical applications (2000) (249)
- Rat liver acyl-coenzyme A:cholesterol acyltransferase: its regulation in vivo and some of its properties in vitro. (1980) (228)
- The isolation and partial characterization of the major glycoprotein (LGP-I) from the articular lubricating fraction from bovine synovial fluid. (1977) (129)
- Lipids of human atheroma. 4. Characterisation of a new group of polar sterol esters from human atherosclerotic plaques. (1971) (101)
- Lipids of human atheroma. 8. Oxidised derivatives of cholesteryl linoleate. (1973) (95)
- Lipids of human atheroma. 5. The occurrence of a new group of polar sterol esters in various stages of human atherosclerosis. (1971) (94)
- Squalene, 26-hydroxycholesterol and 7-ketocholesterol in human atheromatous plaques. (1966) (94)
- Cyclic n-Butylboronates as Derivatives of Polar Bifunctional Groups for Gas Chromatography and Mass Spectrometry (1971) (88)
- Cholesterol oxidases: properties and applications. (1976) (87)
- Characterization of sterols by gas chromatography-mass spectrometry of the trimethylsilyl ethers (1968) (87)
- Gas Chromatographic Studies of Catecholamines, Tryptamines, and Other Biological Amines. Part I. Catecholamines and Related Compounds. (1964) (83)
- Studies of Analytical Separations of Human Steroids and Steroid Glucuronides (1967) (79)
- The use of trimethylsilyl ethers in the characterization of natural sterols and steroid diols by gas chromatography-mass spectrometry. (1973) (68)
- The taxonomic distribution of some hydrocarbons in gymnosperms (1967) (67)
- The oxidation of corticosteroids with sodium bismuthate. (1953) (67)
- Cyclic Boronates as Derivatives for Gas Chromatography (1969) (67)
- Application of cholesterol oxidase in the analysis of steroids. (1974) (65)
- ‘Profile’ analysis of oxygenated sterols in plasma and serum (1983) (64)
- The mass spectrometer as a gaschromatographic detector. (1971) (51)
- Comparative gas chromatographic studies ot corticosteroid boronates (1971) (50)
- Studies of urinary metabolites of 2-(4-isobutylphenyl) propionic acid by gas-liquid chromatography-mass spectrometry. (1974) (48)
- The substrate specificity and stereochemistry, reversibility and inhibition of the 3-oxo steroid delta 4-delta 5-isomerase component of cholesterol oxidase. (1977) (48)
- Sterols of scallop. part II structure of unknown sterols by combination gas-liquid chromatography and mass spectrometry (1976) (47)
- Selective reactions in the analytical characterisation of steroids by gas chromatography-mass spectrometry. (1983) (47)
- The identification and measurement of a new steroid 16 beta-hydroxydehydroepiandrosterone in infant urine. (1968) (46)
- Lipids of human atheroma: isolation of hydroxyoctade cadienoic acids from advanced aortal lesions. (1970) (46)
- Elicitation of capsidiol accumulation in suspended callus cultures of capsicum annuum (1986) (46)
- Gas chromatographic and mass spectrometic studies of oximes derived from 20-oxosteroids. (1970) (43)
- Gas phase analytical methods for the study of steroids. (1968) (43)
- Some aspects of mass spectrometry in research on steroids (1979) (42)
- The correlation of gas-liquid chromatographic behaviour and structure of steroids. (1963) (42)
- Sesquiterpenoids of Warburgia species—II : Ugandensolide and ugandensidial (cinnamodial) (1969) (42)
- Characterization of Steroidal Drug Metabolites by Combined Gas Chromatography-Mass Spectrometry (1971) (41)
- Sesquiterpenoid phytoalexins from suspended callus cultures of Nicotiana tabacum (1985) (40)
- 673. The constitution and stereochemistry of drimenol, a novel bicyclic sesquiterpenoid (1959) (38)
- Gel filtration in lipophilic solvents using hydroxyalkoxypropyl derivatives of Sephadex. (1969) (38)
- Part II. Tryptamine-Related Amines and Catecholamines. (1964) (38)
- Characterization and estimation of urinary steroids of the newborn human by gas-phase analytical methods. (1969) (35)
- New derivatives for gas-phase analytical resolution of enantiomeric alcohols and amines (1973) (35)
- Cholesterol oxidase. Further studies of substrate specificity in relation to the analytical characterisation of steroids. (1975) (35)
- The characterisation of 24-ethylidene-sterols. (1972) (35)
- Biosynthesis of the sesquiterpenoid, capsidiol, in sweet pepper fruits inoculated with fungal spores (1976) (35)
- Isomers of 24-ethylidenecholesterol: Gas chromatographic and mass spectrometric characterization (1969) (33)
- t-Butyldimethylsilyl derivatives in the gas chromatography-mass spectrometry of steroids. (1976) (32)
- Mass spectra of trimethylsilyl ethers of some Δ5-3β-hydroxy C 19 steroids (1973) (32)
- The mass spectra of some corticosteroid boronates (1971) (32)
- Formation of capsidiol in Capsicum annuum fruits in response to non-specific elicitors (1984) (31)
- Gas-liquid chromatography-mass spectrometry of thromboxane B2 and its detection in semen and human aorta by selected ion monitoring. (1977) (31)
- Analysis of sponge sterols as the trimethylsilyl ethers and as the corresponding 5 alpha-and delta 4-3-ketosteroids using open-tubular gas chromatography-mass spectrometry. Application of selective enzymic oxidation. (1977) (30)
- Mass spectrometry in the analysis of steroid drugs and their metabolites: electron‐impact‐induced fragmentation of ring D (1973) (30)
- The use of boronate derivatives in the characterization of catecholamines and related β‐hydroxy‐amines by gas liquid chromatography‐mass spectrometry (1970) (28)
- Gas chromatography mass spectrometry of trimethylsilyl ethers of sidechain hydroxylated Δ4‐3‐ketosteroids. Long range trimethylsilyl group migration under electron impact (1975) (27)
- Studies of the substrate specificity of cholesterol oxidase from Nocardia erythropolis in the oxidation of 3-hydroxy steroids. (1975) (26)
- STUDIES OF ACETYLATED CORTICOSTEROIDS AND RELATED 20-OXOPREGNANE DERIVATIVES BY GAS LIQUID CHROMATOGRAPHY. (1965) (24)
- Cyclic Boronate Derivatives in Combined Gas Chromatography - Chemical Ionisation Mass Spectrometry (1976) (23)
- 60. Triterpenoids. Part I. Morolic acid, a new triterpenoid sapogenin (1951) (23)
- 22. Infrared spectra of aryl carboxylic acids and their esters (1961) (23)
- Cyclic ferroceneboronates as derivatives for the gas chromatographic separation and characterisation of diols and related compounds (1987) (21)
- Sesquiterpenoids of Warburgia species—I (1969) (21)
- Synthesis and accumulation of polygodial by tissue cultures of Polygonum hydropiper (1989) (21)
- Thin layer and column chromatographic group separations of steroids as trimethylsilyl ethers. Isolation for GLC analysis of pregnanediol and estriol in pregnancy urine. (1967) (21)
- Uses of Chloromethyldimethylsilyl Ethers as Derivatives for Combined Gas Chromatography-Mass Spectrometry of Steroids (1972) (21)
- Isolation and identification of cholesterol α-oxide and other minor sterols in human serum (1971) (20)
- Lipids of human atheroma. VII. Isolation of diesters of cholest-5-ene-3 ,26-diol from extracts of advanced atherosclerotic lesions of human aorta. (1972) (20)
- The determination of stereochemistry at C-5 of 3,6-dioxygenated steroids. (1969) (20)
- Gas chromatography chemical ionization mass spectrometry of prostaglandin Falpha cyclic boronate derivatives. (1977) (20)
- Gas-liquid chromatography-mass spectrometry of phospholipid mixtures after enzymic hydrolysis. (1977) (20)
- Preparation and evaluation of a chiral derivative of sephadex LH-20 (1973) (19)
- Studies of aldosterone 20,21-cyclic boronates by gas—liquid chromatography and mass spectrometry (1978) (19)
- Mass spectra of Δ4‐ and 5α‐3‐ketosteroids formed during the oxidation of some 3β‐hydroxysteroids by cholesterol oxidase (1976) (19)
- Urinary steroid pattern of the human newborn infant (1966) (18)
- Terpenoid phytoalexins. (1991) (18)
- The mass spectra of some 1,3,2‐oxazaborolidines (1969) (18)
- Applications of boronate derivatives in the study of ceramides by gas-liquid chromatography-mass spectrometry. (1976) (17)
- Trimethylsilyl group migration during electron impact and chemical ionization mass spectrometry of the trimethylsilyl ethers of 20-hydroxy-5alpha-pregnan-3-ones and 20-hydroxy-4-pregnen-3-ones. (1976) (17)
- Biochemical studies of toxic agents. 13. The metabolism of acenaphthylene. (1962) (17)
- Caparrapi oxide, a sesquiterpenoid from caparrapi oil (1969) (17)
- Quantitative thin-layer chromatography of trimethylsilyl ethers of hydroxylic steroids. (1967) (16)
- The isolation and identification of 5α-cholestan-3β-ol from the human atheromatous aorta (1969) (16)
- Biochemical studies of toxic agents. 9. The metabolic conversion of indene into cis- and trans- indane-1: 2-diol. (1956) (16)
- O-Butyloximes and O-Pentyloximes as Derivatives for the Study of Ketosteroids by Gas Chromatography (1972) (16)
- Preparation and evaluation of a hydroxycyclohexyl derivative of sephadex LH-20 (1973) (16)
- Absolute configurations of secondary alcohols. A gas chromatographic modification of Horeau's method (1973) (15)
- Lipophilic gel and gas-phase analysis of steroid hormones application to the human newborn. (1974) (14)
- 132. Infrared spectra of substituted salicylic acids and their esters (1961) (14)
- Biosynthesis of capsidiol in sweet peppers (Capsicum frutescens) infected with fungi: evidence for methyl group migration from 13C nuclear magnetic resonance spectroscopy (1975) (14)
- Oxidation of 3β-hydroxyandrostenes by the 3β-hydroxysteroid oxidase (cholesterol oxidase) from brevibacterium sterolicum prior to their analysis by gas—liquid chromatography—mass spectrometry (1978) (13)
- Comparison of various alkylboronic acids for the characterization of corticosteroids by gas-liquid chromatography-mass spectrometry. (1969) (13)
- Characterization of dihydroarenediols and related compounds by gas chromatography-mass spectrometry: Comparison of derivatives (1982) (13)
- Crustacean surface waxes. Part I. The hydrocarbons from the surface of Ligia oceanica (1975) (13)
- New derivatives for the analysis of sphingosine long-chain bases by gas-liquid chromatography-mass spectrometry. (1976) (13)
- Studies of cyclic di-tert.-butylsilylene derivatives of diols and hydroxy acids by gas chromatography—mass spectrometry (1984) (13)
- Studies of sterols from marine molluscs by gas chromatography and mass spectrometry (1978) (12)
- Analytical separation and characterisation of 1.2- and 1.3-diols as their cyclic ferroceneboronate derivatives (1986) (12)
- 658. Infrared spectra of substituted salicylaldehydes (1961) (12)
- Characterization of diastereomeric and enantiomeric ephedrines by gas chromatography combined with electron impact mass spectrometry and isobutane chemical ionization mass spectrometry. (1977) (12)
- Gas chromatography-mass spectrometry of some boroxines (1970) (12)
- Di-tert-butylsilylene derivatives for the characterisation of bifunctional compounds by gas chromatography-mass spectrometry (1985) (12)
- Characterization of 1,2- and 1,3-diols by gas chromatography–mass spectrometry of cyclic boronate esters (1967) (12)
- A sensitive method for the detection of metabolites of dianabol in urine in man. (1971) (12)
- MOROLIC ACID, A TRITERPENOID SAPOGENIN (1950) (11)
- Combined Gas Chromatography-Mass Spectrometry (1979) (11)
- Chromatographic and Mass-Spectrometric Studies of Cyclic 2-(N, N-Dimethylaminomethyl)ferroceneboronates and Related Esters (1994) (11)
- Steroidal alkaloids. Part II. Some observations on the constitution of cevine (1954) (11)
- Derivatives suitable for GC-MS (1978) (11)
- Biochemical Studies of Toxic Agents (2005) (11)
- CHAPTER 6 – Some Aspects of Mass Spectrometry in Steroid Analysis (1973) (11)
- Separation, Identification, and Estimation of Human Steroid Hormones and Their Metabolites: Applications to Adrenocortical Steroids (1966) (11)
- The isolation of cholest-5-ene-3β,26-diol from human brain (1974) (10)
- Separation and identification of unsaturated steroids by combined gas chromatography-mass spectrometry with Silanox-type glass open tubular columns. (1976) (10)
- Gas chromatographic and mass spectrometric characteristics of some bicyclic thioketones (1971) (10)
- Steroids in the human newborn; lipophilic gel separation and gas phase analysis. (1974) (10)
- Application of ion-exchange and lipophilic-gel chromatography to the purification and group fractionation of steroidal spirolactones, isolated from biological fluids. (1978) (10)
- Sesquiterpenoid stress metabolites of capsicums (1983) (10)
- Biosynthesis of petasin in Petasites hybridus (1972) (10)
- Stability and Reversed-Phase Liquid-Chromatographic Studies of Cyclic Boronates. (1993) (9)
- Caparrapidiol and caparrapitriol: Two new acyclic sesquiterpene alcohols. (1966) (9)
- The mechanism of the isomerization of Cholest-5-en-3-one to cholest-4-en-3-one by cholesterol oxidase [proceedings]. (1977) (9)
- Glutathione peroxidase in human and animal aortas. (1973) (9)
- Gas-Liquid Chromatography of Steroids (1963) (9)
- Gas phase analytical resolution of enantiomeric amines as diastereomeric amides. Gas chromatography‐mass spectrometry of α‐phenylbutyramides, α‐phenylpropionamides and α‐chlorophenylacetamides (1974) (8)
- Characterization of 5a-lanost-8(9)-en-3-ol in hyperlipaemic serum (1969) (8)
- Steroidal alkaloids. Part III. The constitution and stereochemistry of cevine (1954) (7)
- Absolute Configuration OP Secondary Alcohols: Refinement and Extension of a Gas-Chromatographic Modification of Horeau's Method (1973) (7)
- 5,6-Dihydrostigmasterol1 (1950) (7)
- Steroids: Sterols and Bile Acids (1964) (7)
- The identification of prostaglandin F2alpha in human aortal media. (1976) (7)
- Analytical separation of enantiomeric polygodials by gas chromatography of pyrrole derivatives (1985) (7)
- Studies of the selective derivatization of methyl hyocholate and related steroidal ring b diols by gas chromatography-mass spectrometry (1984) (7)
- Gas chromatography-mass spectrometry of cyclic boronate derivatives of some alkaloid and terpenoid diols (1989) (7)
- Mass spectra of the trimethylsilyl ethers of some 3β‐hydroxy‐Δ5‐C21 steroids (1982) (6)
- The biosynthesis of sesquiterpenoid phytoalexins in suspended callus cultures of Nicotiana tabacum (1987) (6)
- Acid cholesterol ester hydrolase in pig and human aortas. (1974) (6)
- Infra-red studies of solvent effects—I. Carbonyl absorptions of cyclohexanones, and of steroid and triterpenoid ketones (1966) (6)
- Highly regioselective reduction of ring B seco-5α-steroid anhydrides to afford the lactone grouping characteristic of brassinolide (1983) (6)
- Oxygenated Sterol Esters of Human Atherosclerotic Plaques (1972) (6)
- Incorporation of mevalonolactone into Petasites hybridus: Effect of synthetic inhibitors on sesquiterpenoid and sterol production (1969) (6)
- Reduction of 5α-androstane-3,16-dione by a crystalline 20β-hydroxy steroid-nicotinamide-adenine dinucleotide oxidoreductase preparation (1970) (5)
- Comparison of corticosteroid derivatives by gas chromatography-mass spectrometry. (1972) (5)
- Cyclic di-tert.-butylsilylene derivatives of substituted salicylic acids and related compounds (1988) (5)
- Gas chromatography-mass spectrometry (1971) (5)
- Gas chromatographic assay of methyltestosterone in tablets. (1991) (5)
- Analytical gas chromatographic separations of diastereomeric tert.-butylmethoxyphenylsilyl ethers (1990) (4)
- Analytical separations of enantiomeric primary amines as pyrrole derivatives formed by reaction with polygodial (1988) (4)
- Degradation of steroid derivatives at a gas chromatograph mass spectrometer interface (1982) (4)
- Lipids of human atheroma VI. Hydrocarbons of the atheromatous plaque (1970) (4)
- 55. The constitution of an oxidation product of β-ionone (1961) (3)
- More on substrate specificity of cholesterol oxidase. (1980) (3)
- Selective reactions in the analysis and characterization of steroids by gas chromatography-mass spectrometry (1980) (3)
- The Substrate Specificity and Stereochemistry, Reversibility and Inhibition of the 3-Oxo Steroid AM-A5-Isomerase Component of Cholesterol Oxidase (2005) (3)
- Hydroxyalicyclic derivatives of sephadex LH-20 for lipophilic gel chromatography (1973) (3)
- Characterisation of steroid ketones by mass spectrometry in conjunction with deuteriation by gas–liquid chromatography (1970) (3)
- Gas chromatography and mass spectrometry of dimethylethylsilyl ether derivatives of norethisterone metabolites in plasma. (1991) (3)
- Leaf extract purification by silver nitrate-silica gel thin-layer chromatography. (1968) (2)
- A revised structure for nordrimenone (1970) (2)
- Brachylaenalones A and B: tricyclic sesquiterpenoid keto-aldehydes from heartwood of Brachylaena hutchinsii Hutch. (compositae) (1969) (2)
- Mass spectra of delta 4- and 5 alpha-3-ketosteroids formed during the oxidation of some 3 beta-hydroxysteroids by cholesterol oxidase. (1976) (2)
- Development of a procedure for the assay of an experimental steroid drug in dog plasma. (1978) (2)
- Observations on taraxerol (skimmiol) (1955) (2)
- Application of deuteriation by GLC in the identification of fukinone in Petasites hybridus (1973) (2)
- The detection and quantification of an experimental steroid drug in dog plasma [proceedings]. (1977) (2)
- Acid Cholesterol Ester Hydrolase Activity in Aortal Tissue (1974) (2)
- Analysis of steroid hormone drugs (1979) (2)
- The origin of the (M-56) + ion in the mass spectra of trimethylsilyl ethers of dehydroepiandrosterone and related compounds. (1972) (2)
- Assay of certain oral contraceptive formulations by gas chromatography-mass spectrometry-selected ion monitoring. (1993) (1)
- The constitution of warburgiadione (1966) (1)
- Characterisation of products formed by condensations of primary amines with polygodial, and their scope for enantiomer analyses (1989) (1)
- 548. The application of the method of molecular-rotation differences to steroids. Part XIII. Some bile acid derivatives (1949) (1)
- Separation and characterisation of Δ3- and Δ4(15) -cyclopyrethrosin acetates via chromatography on a lipophilic dextran gel (1973) (1)
- 61. Triterpenoids. Part II. The partial synthesis of morolic acid (1951) (1)
- 52. Urinary steroid metabolites in the human newborn (1975) (1)
- Infra-red studies of solvent effects—II. Interaction of cyclohexanones and phenols in n-hexane (1966) (1)
- (20 S )-6-Methoxy-20-( p -toluenesulfonyloxymethyl)-3a,5-cyclo-5a-pregnane (1997) (1)
- The application of a lipophilic dextran derivative to analysis of plant terpenoids. (1969) (1)
- Warburgin, a new sesquiterpenoid of the eremophilane group (1966) (1)
- Gas chromatography mass spectrometry of some steroidal spirolactones (1979) (1)
- Gas chromatography-mass spectrometry in biology and medicine. (1972) (0)
- Chromatographic and Mass-Spectrometric Studies 2-( N , N-Dimethylaminomethyl ) ferroceneboronates Related Esters of Cyclic and (2006) (0)
- Reduction of 5-alpha-androstane-3,16-dione by a crystalline 20-beta-hydroxy steroid-nicotinamide-adenine dinucleotide oxidoreductase preparation. (1970) (0)
- Advances in mass spectrometry in biochemistry and medicine, Vol. 1 (1977) (0)
- Identification of 3alpha-hydroxy-5beta-pregnane-11, 20-dione (11-oxopregnanolone) in the urine of hirsute women using mass spectrometry and GLC. (1978) (0)
- Gas Chromatography-Mass Spectrometry in Steroid Analysis (1975) (0)
- The isolation and identification of 5 alpha-cholestan-3 beta-o1 from the human atheromatous aorta. (1969) (0)
- The isolation of cholest-5-ene-3beta,26-diol from human brain. (1974) (0)
- Advances in mass spectrometry in biochemistry and medicine, Vol. II (Proc. 3rd Int. Symp., June, 1975) : Edited by A. Frigerio, Spectrum Publications/Halsted (Wiley), New York, 1977, XXII + 609 pp., price £35.00, US$60.00, ISBN 0-470-99039-2 (1978) (0)
- Characterization of 5alpha-lanost-8(9)-en-3beta-ol in hyperlipaemic serum. (1969) (0)
- Chromatography of steroids : (Journal of Chromatography Library, Vol. 8), by E. Heftmann, Elsevier, Amsterdam, Oxford, New York, 1976, XIII + 203 pp., price Dfl. 90.00, US$ 34.75, ISBN 0-444-41441-X (1976) (0)
- Combined Gas Chromatography and Mass Spectrometry Applied to Biological Materials (1967) (0)
- Meeting report: Royal society of chemistry meeting on chromatography-mass spectrometry in the environmental and life sciences (1983) (0)
- Chemistry of Nonaqueous Titration of Chlorpromazine (1975) (0)
- Tissue reactions to lipids of human atheroma. (1973) (0)
- [Urinary steroids in the new-born: characterization by gas chromatography and mass spectrometry of four androstenetetrols]. (1969) (0)
- Oxidation of 3beta-hydroxyandrostenes by the 3beta-hydroxy-steroid oxidase (cholesterol oxidase) from Brevibacterium sterolicum prior to their analysis by gas-liquid chromatography-mass spectrometry. (1978) (0)
- Gas phase analytical resolution of enantiomeric amines as diastereomeric amides. Gas chromatography-mass spectrometry of alpha-phenylbutyramides, alpha-phenylpropionamides and alpha-chlorophenylacetamides. (1974) (0)
- Newer Physical Methods in Pathology (1972) (0)
- Identification of 3α-hydroxy-5β-pregnane-11, 20-dione (11-oxopregnanolone) in the urine of hirsute women using mass spectrometry and GLC (1978) (0)
- Relationship of a new group of lipids to the development of human atheroma. (1970) (0)
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