PubRank

C W Gehrke

Author PubWeight™ 98.32‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Comparison of bisulfite modification of 5-methyldeoxycytidine and deoxycytidine residues. Nucleic Acids Res 1980 5.03
2 The 5-methylcytosine content of DNA from human tumors. Nucleic Acids Res 1983 3.51
3 Reduced genomic 5-methylcytosine content in human colonic neoplasia. Cancer Res 1988 3.22
4 Quantitative enzymatic hydrolysis of tRNAs: reversed-phase high-performance liquid chromatography of tRNA nucleosides. J Chromatogr 1982 2.78
5 DNA methylation in thermophilic bacteria: N4-methylcytosine, 5-methylcytosine, and N6-methyladenine. Nucleic Acids Res 1985 2.63
6 Tissue-specific differences in DNA methylation in various mammals. Biochim Biophys Acta 1983 2.40
7 Quantitative reversed-phase high performance liquid chromatographic determination of major and modified deoxyribonucleosides in DNA. Nucleic Acids Res 1980 1.98
8 In vitro synthesis of 16S ribosomal RNA containing single base changes and assembly into a functional 30S ribosome. Biochemistry 1987 1.94
9 The complete gas-liquid chromatographic separation of the twenty protein amino acids. J Chromatogr 1971 1.88
10 DNA cytosine methylation and heat-induced deamination. Biosci Rep 1986 1.84
11 N4-methylcytosine as a minor base in bacterial DNA. J Bacteriol 1987 1.82
12 The 5-methylcytosine content of highly repeated sequences in human DNA. Nucleic Acids Res 1983 1.76
13 Quantitative reversed-phase high-performance liquid chromatography of major and modified nucleosides in DNA. J Chromatogr 1984 1.70
14 Heat- and alkali-induced deamination of 5-methylcytosine and cytosine residues in DNA. Biochim Biophys Acta 1982 1.63
15 Presence of phosphorylated O-ribosyl-adenosine in T-psi-stem of yeast methionine initiator tRNA. Nucleic Acids Res 1989 1.49
16 Quantitative high-performance liquid chromatography of nucleosides in biological materials. J Chromatogr 1978 1.48
17 In vitro binding of lithium using the cation exchange resin sodium polystyrene sulfonate. Am J Emerg Med 1995 1.39
18 High turnover rate of transfer RNA in tumor tissue. Cancer Res 1977 1.37
19 Biological markers in breast carcinoma. I. Incidence of abnormalities of CEA, HCG, three polyamines, and three minor nucleosides. Cancer 1975 1.30
20 Trimethylsilylation of amino acids derivatization and chromatography. J Chromatogr 1971 1.23
21 Major and modified nucleosides in tRNA hydrolysates by high-performance liquid chromatography. J Chromatogr 1979 1.14
22 Chromatography of nucleosides. J Chromatogr 1980 1.13
23 Polyamines--an improved automated ion-exchange method. J Chromatogr 1977 1.13
24 O-ribosyl-phosphate purine as a constant modified nucleotide located at position 64 in cytoplasmic initiator tRNAs(Met) of yeasts. Nucleic Acids Res 1991 1.12
25 A new silylation reagent for amino acids bis(trimethylsilyl)trifluoroacetamide (BSTFA). Biochem Biophys Res Commun 1968 1.12
26 Automated trinitrobenzene sulfonic acid method for protein analysis in forages and grain. J Assoc Off Anal Chem 1971 1.12
27 tRNA breakdown products as markers for cancer. Cancer 1979 1.09
28 Complete mass spectra of N-trifluoroacetyl-n-butyl esters of amino acids. J Chromatogr 1977 1.09
29 Eukaryotic tRNAs(Pro): primary structure of the anticodon loop; presence of 5-carbamoylmethyluridine or inosine as the first nucleoside of the anticodon. Biochim Biophys Acta 1990 1.08
30 Preparation and isolation of immunologically active glycopeptides from carcinoembryonic antigen (CEA). Int J Cancer 1974 1.03
31 Amino acid analysis. Hydrolysis, ion-exchange cleanup, derivatization, and quantitation by gas-liquid chromatography. J Chromatogr 1974 1.02
32 Patterns of urinary excretion of modified nucleosides. Cancer Res 1979 1.01
33 Hydrolysis by restriction endonucleases at their DNA recognition sequences substituted with mismatched base pairs. Nucleic Acids Res 1986 0.99
34 The nucleotide sequence of a major glutamine tRNA from rat liver. Nucleic Acids Res 1983 0.98
35 High-performance liquid chromatographic separation and quantitation of nucleosides in urine and some other biological fluids. Clin Chem 1977 0.97
36 Hypermethylation of human DNA sequences in embryonal carcinoma cells and somatic tissues but not in sperm. Nucleic Acids Res 1987 0.96
37 Large-scale methylation patterns in the nuclear genomes of plants. Gene 1992 0.96
38 Identification and structural characterization of O-beta-ribosyl-(1"----2')-adenosine-5"-phosphate in yeast methionine initiator tRNA. Nucleic Acids Res 1990 0.95
39 The urinary excretion of nucleosides of ribonucleic acid by patients with advanced cancer. Cancer 1975 0.94
40 Quantitative determination of N-acetylneuraminic acid by gas-liquid chromatography. J Chromatogr 1968 0.92
41 Quantitative analysis of amino acids by gas chromatography: acylation of arginine. Biochem Biophys Res Commun 1966 0.91
42 5-[[(carboxymethyl)amino]methyl]uridine is found in the anticodon of yeast mitochondrial tRNAs recognizing two-codon families ending in a purine. Biochemistry 1990 0.90
43 Codon discrimination and anticodon structural context. Proc Natl Acad Sci U S A 1989 0.88
44 Pattern of undermethylation of the major satellite DNA of mouse sperm. Nucleic Acids Res 1985 0.88
45 Characterization of a unique enzyme complex composed of S-adenosyl-L-methionine-tRNA-methyltransferase and aminoacyl-tRNA synthetase activities. Nucleic Acids Res 1977 0.87
46 Undiscriminating codon reading with adenosine in the wobble position. J Mol Biol 1993 0.86
47 A quantitative approach to determining disease response during therapy using multiple biologic markers: application to carcinoma of the breast. Cancer 1978 0.86
48 Classification of lung cancer patients and controls by chromatography of modified nucleosides in serum. Cancer Res 1989 0.85
49 Applications of urinary nucleosides in cancer diagnosis and cancer management. Cancer Detect Prev 1983 0.85
50 Quantitative gas-liquid chromatography of neutral sugars in human serum glycoproteins. Fucose, mannose, and galactose as predictors in ovarian and small cell lung carcinoma. J Chromatogr 1979 0.85
51 Screening for metastases in breast cancer: an assessment of biochemical and physical methods. Cancer 1981 0.84
52 Gas-liquid chromatographic analysis of nucleic acid components. J Chromatogr 1968 0.84
53 Rapid, quantitative high-performance liquid column chromatography of pseudouridine. J Chromatogr 1978 0.83
54 Urinary polyamines for evaluating the course of disease for patients with small cell carcinoma of the lung. Cancer 1983 0.83
55 The hydrolysis of proteins. J Chromatogr 1970 0.83
56 Biologic markers in breast carcinoma. IV. Serum fucose-protein ratio. Comparisons with carcinoembryonic antigen and human chorionic gonadotrophin. Cancer 1978 0.83
57 Gas-liquid chromatography of amino acids in biological substances. J Chromatogr 1970 0.83
58 Quantitative high-performance liquid chromatography analysis of modified nucleosides in physiological fluids, tRNA, and DNA. Recent Results Cancer Res 1983 0.83
59 Multiple biologic markers in the monitoring of treatment for patients with small cell carcinoma of the lung: the use of serial levels of plasma CEA and serum carbohydrates. Cancer 1981 0.82
60 Gas-liquid chromatography of nucleosides. Effect of silylating reagents and solvents. J Chromatogr 1977 0.82
61 Composition, associated tissue methyltransferase activity, and catabolic end products of transfer RNA from carcinogen-induced hepatoma and normal monkey livers. Cancer Res 1977 0.82
62 Biological markers and small cell carcinoma of the lung: a clinical evaluation of urinary ribonucleosides. Cancer 1982 0.82
63 Gas-liquid chromatography of nucleosides. Derivatization and chromatography. J Chromatogr 1976 0.82
64 Mouse mammary tumor virus DNA methylation: tissue-specific variation. Virology 1984 0.81
65 Modified ribonucleosides as biological markers for patients with small cell carcinoma of the lung. Eur J Cancer Clin Oncol 1982 0.81
66 Trimethylsilylation of amino acids. Effect of solvents on derivatization using bis(trimethylsilyl)trifluoroacetamide. J Chromatogr 1970 0.81
67 Biologic markers in breast carcinoma: clinical correlations with urinary polyamines. Cancer 1980 0.80
68 Biological markers in breast carcinoma--clinical correlations with pseudouridine, N2,N2-dimethylguanosine, and 1-methylinosine. J Surg Oncol 1980 0.80
69 Urinary excretion of polyamines by patients with advanced malignancy. Cancer Chemother Rep 1976 0.80
70 A nanogram and picogram method for amino acid analysis by gas-liquid chromatography. J Chromatogr 1971 0.79
71 Chromatographic separation of n-butyl N-trifluoroacetyl esters of amino acids. Anal Biochem 1966 0.78
72 Quantitative amino acid analysis by gas-liquid chromatography. J Agric Food Chem 1974 0.78
73 Modified nucleosides in human serum. J Chromatogr 1992 0.78
74 Rapid microdetermination of fatty acids in biological materials by gas-liquid chromatography. J Chromatogr 1977 0.77
75 Gas-liquid chromatography of fecal neutral steriods. J Chromatogr 1977 0.77
76 High-performance liquid-chromatographic separation and fluorescence measurement of biogenic amines in plasma, urine, and tissue. Clin Chem 1978 0.77
77 Beta-aminoaciduria in patients with Burkitt's lymphoma. J Natl Cancer Inst 1976 0.77
78 Plasma levels of norepinephrine and epinephrine during malignant hyperthermia in susceptible pigs. J Chromatogr 1985 0.77
79 Accumulation of 2'-O-methylguanosine deficient tRNATrp in tryptophan limited Saccharomyces cerevisiae. J Gen Microbiol 1982 0.76
80 Potential biologic markers in Burkitt's lymphoma. Cancer Chemother Rep 1975 0.76
81 Dual-column cation-exchange chromatographic method for beta-aminoisobutyric acid and beta-alanine in biological samples. Clin Chem 1978 0.76
82 Reference intervals for eight modified nucleosides in serum in a healthy population from Italy and the United States. Clin Chem 1992 0.76
83 In-vivo binding of lithium using the cation exchange resin sodium polystyrene sulfonate. Am J Emerg Med 1996 0.75
84 Quantitative gas-liquid chromatography of iodine-containing amino acids. Anal Biochem 1968 0.75
85 Search for amino acids in Apollo returned lunar soil. Orig Life 1975 0.75
86 Serum protein-bound carbohydrates and small cell carcinoma of the lung. Correlations with extent of disease, tumor burden, survival, and clinical response categories. Cancer 1983 0.75
87 Amino acid analysis by capillary gas chromatography. J Assoc Off Anal Chem 1987 0.75
88 Polyamines in some tarantula venoms. Toxicon 1980 0.75
89 Research for amino acids in lunar samples. Space Life Sci 1972 0.75
90 Automated chemical determination of methionine. J Assoc Off Anal Chem 1974 0.75
91 High-performance liquid chromatographic analysis of biogenic amines in biological materials as o-phthalaldehyde derivatives. J Chromatogr 1979 0.75
92 A feasibility study in the development of biological markers for ovarian cancer. J Surg Oncol 1982 0.75
93 Gas-liquid chromatography of protein amino acids separation factors. J Chromatogr 1968 0.75
94 Tumor markers derived from nucleic acid components. Cancer Detect Prev 1983 0.75
95 The effect of salts on the derivatization and chromatography of amino acids. J Chromatogr 1970 0.75
96 IBM-Fortran computer calculations for analytical ultracentrifuge data. Anal Biochem 1966 0.75
97 Letter: Biochemical markers in Burkitt's lymphoma. Lancet 1976 0.75
98 Gas-liquid chromatographic analysis of tryptophan in proteins. J Chromatogr 1973 0.75
99 In vitro binding of iron with the cation-exchange resin sodium polystyrene sulfonate. Ann Emerg Med 1996 0.75
100 GLC of amino acids: a survey of contamination. J Chromatogr Sci 1972 0.75
101 Quantitative gas-liquid chromatography of TMS nucleic acid constituents. Biochem Biophys Res Commun 1967 0.75
102 Circadian rhythms in polyamine excretion by rats bearing an immunocytoma. Chronobiologia 1977 0.75
103 Acid hydrolysis of proteins for chromatographic analysis of amino acids. J Assoc Off Anal Chem 1987 0.75
104 Pre-column derivatization and high-performance liquid chromatography of biogenic amines in blood of normal and malignant hyperthermic pigs. J Chromatogr 1982 0.75
105 Effect of temperature stress on circulating biogenic amines in bovine. Comp Biochem Physiol C 1984 0.75
106 Analysis of base composition of RNA and DNA hydrolysates by gas-liquid chromatography. J Chromatogr 1971 0.75
107 Quantitative determination of methylated nucleosides and pseudouridine in urine by gas-liquid chromatography. J Lab Clin Med 1974 0.75
108 Gas-liquid chromatographic analysis for purine and pyrimidine bases in hydrolysates of nucleic acid. Clin Chem 1972 0.75
109 Automated enzymatic determination of L-lysine in grain. J Assoc Off Anal Chem 1974 0.75
110 Comarsion of potassium and other chemical constituents as indices of pork carcass composition. J Anim Sci 1969 0.75
111 Ion-exchange chromatography of egg yolk. 1. Separation methods. Poult Sci 1969 0.75
112 DNA methylation is not increased in mouse-human somatic cell hybrids. Biochim Biophys Acta 1985 0.75
113 The value of sequential marker estimations following mastectomy for breast cancer. Eur J Cancer 1980 0.75
114 Fatty acid profile and cholesterol in skeletal muscle of trained and untrained men. J Appl Physiol Respir Environ Exerc Physiol 1977 0.75
115 Gas-liquid chromatography in lunar organic analysis. Space Life Sci 1972 0.75
116 Fatty acid pattern and cholesterol in skeletal muscle of men aged 22 to 73. Mech Ageing Dev 1978 0.75
117 High-performance liquid chromatographic analysis of glycoamines in serum. J Chromatogr B Biomed Appl 1994 0.75
118 Quantitative gas-liquid chromatography of sulfur containing amino acids. J Chromatogr 1968 0.75
119 Applications of a gas-liquid chromatographic method for amino acid analysis. A system for analysis of nanogram amounts. J Chromatogr 1971 0.75
120 Automated determination of urea and ammoniacal nitrogen (NPN) in animal feeds. J Assoc Off Anal Chem 1981 0.75
121 High-performance liquid chromatographic-radioimmunoassay method for the measurement of angiotensin II peptides in human plasma. J Chromatogr 1987 0.75
122 Analysis of amino acids by gas chromatography as the N-trifluoroacetyl n-butyl esters. J Assoc Off Anal Chem 1987 0.75
123 Nucleoside excretion in breast cancer: comparison with other biochemical tumour-index-substances. Invest Cell Pathol 1980 0.75
124 Biochemical markers of cultured human prostatic epithelium. J Urol 1978 0.75
125 Gas-liquid chromatographic studies on the twenty protein amino acids: a single-column separation. J Chromatogr 1973 0.75
126 Total parenteral nutrition in miniature swine: essential fatty acid deficiency. JPEN J Parenter Enteral Nutr 1978 0.75
127 Quantitative measurement of mRNA cap 0 and cap 1 structures by high-performance liquid chromatography. J Chromatogr 1986 0.75
128 Quantitative analysis of cystine, methionine, lysine, and nine other amino acids by a single oxidation--4 hour hydrolysis method. J Assoc Off Anal Chem 1987 0.75
129 Quantitative-micro gas-liquid chromatography. J Assoc Off Anal Chem 1972 0.75
130 Immunocytoma effect upon circadian variation in murine urinary excretion of beta-aminoisobutyric acid, beta-alanine, phenylalanine and tyrosine. Chronobiologia 1979 0.75
131 Multiple biological markers and breast carcinoma: a preliminary study in the detection of recurrent disease after primary therapy. J Surg Oncol 1981 0.75
132 Determination of trimethylsilyl methylated nucleic acid bases in urine by gas-liquid chromatography. J Chromatogr 1976 0.75