L.L. Bieber

12.5k total citations · 4 hit papers
117 papers, 11.1k citations indexed

About

L.L. Bieber is a scholar working on Molecular Biology, Clinical Biochemistry and Physiology. According to data from OpenAlex, L.L. Bieber has authored 117 papers receiving a total of 11.1k indexed citations (citations by other indexed papers that have themselves been cited), including 78 papers in Molecular Biology, 78 papers in Clinical Biochemistry and 20 papers in Physiology. Recurrent topics in L.L. Bieber's work include Metabolism and Genetic Disorders (78 papers), Mitochondrial Function and Pathology (35 papers) and Metabolomics and Mass Spectrometry Studies (30 papers). L.L. Bieber is often cited by papers focused on Metabolism and Genetic Disorders (78 papers), Mitochondrial Function and Pathology (35 papers) and Metabolomics and Mass Spectrometry Studies (30 papers). L.L. Bieber collaborates with scholars based in United States, Hungary and Netherlands. L.L. Bieber's co-authors include Mary Ann K. Markwell, N. E. Tolbert, János Kerner, Thomas A. Helmrath, Trent L. Abraham, Estelle J. McGroarty, Carol J. Fiol, Shawn O. Farrell, Patrick J. Sabourin and Pippa Clarke and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Journal of Biological Chemistry.

In The Last Decade

L.L. Bieber

117 papers receiving 10.4k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

A modification of the Lowry procedure to simplify protein determination in membrane and lipoprotein samples

1978 6.1k citations Mary Ann K. Markwell, L.L. Bieber et al. Analytical Biochemistry profile →
[16] Protein determination in membrane and lipoprotein samples: Manual and automated procedures

1981 730 citations Mary Ann K. Markwell, N. E. Tolbert et al. Methods in enzymology on CD-ROM/Methods in enzymology profile →
CARNITINE

1988 562 citations L.L. Bieber profile →
The Subcellular Distribution of Carnitine Acyltransferases in Mammalian Liver and Kidney

1973 373 citations Mary Ann K. Markwell, L.L. Bieber et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
L.L. Bieber United States	38	6.0k	2.7k	1.7k	1.0k	897	117	11.1k
H. A. Krebs United Kingdom	61	5.5k 0.9×	2.7k 1.0×	4.4k 2.5×	937 0.9×	755 0.8×	142	12.3k
R. M. C. Dawson Slovakia	58	7.4k 1.2×	1.2k 0.4×	1.6k 0.9×	1.3k 1.3×	1.3k 1.4×	219	13.5k
Paul A. Watkins United States	58	7.7k 1.3×	2.5k 0.9×	2.3k 1.3×	740 0.7×	488 0.5×	181	10.7k
C. De Duve Belgium	43	8.0k 1.3×	2.1k 0.8×	3.0k 1.7×	1.1k 1.1×	963 1.1×	64	13.8k
John M. Lowenstein United States	54	4.3k 0.7×	1.1k 0.4×	2.0k 1.1×	850 0.8×	473 0.5×	131	8.1k
Giorgio Lenaz Italy	70	11.6k 1.9×	1.9k 0.7×	2.5k 1.4×	530 0.5×	873 1.0×	328	15.8k
Robert Wattiaux Belgium	31	5.6k 0.9×	1.0k 0.4×	2.6k 1.5×	924 0.9×	572 0.6×	113	11.1k
Mary Ann K. Markwell United States	20	4.7k 0.8×	647 0.2×	1.0k 0.6×	1.0k 1.0×	797 0.9×	21	9.9k
Akira Yoshida Japan	57	5.4k 0.9×	808 0.3×	2.0k 1.2×	1.3k 1.2×	929 1.0×	507	12.6k
John T. Brosnan Canada	53	3.1k 0.5×	2.1k 0.8×	2.4k 1.4×	792 0.8×	827 0.9×	166	9.3k

Countries citing papers authored by L.L. Bieber

Since Specialization

Citations

This map shows the geographic impact of L.L. Bieber's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by L.L. Bieber with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites L.L. Bieber more than expected).

Fields of papers citing papers by L.L. Bieber

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by L.L. Bieber. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by L.L. Bieber. The network helps show where L.L. Bieber may publish in the future.

Co-authorship network of co-authors of L.L. Bieber

This figure shows the co-authorship network connecting the top 25 collaborators of L.L. Bieber. A scholar is included among the top collaborators of L.L. Bieber based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with L.L. Bieber. L.L. Bieber is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Bieber, L.L., et al.. (1999). Cefetamet pivoxil treatment causes loss of carnitine reserves that can be prevented by exogenous carnitine administration. The Journal of Nutritional Biochemistry. 10(11). 670–673. 3 indexed citations

Kerner, János, et al.. (1992). Effect of etomoxiryl-CoA on different carnitine acyltransferases. Biochemical Pharmacology. 43(2). 353–361. 39 indexed citations

Bieber, L.L.. (1992). Quantitation of CoASH and Acyl-CoA. Analytical Biochemistry. 204(2). 228–230. 8 indexed citations

Chung, Chang Ho, et al.. (1992). Conferral of malonyl coenzyme A sensitivity to purified rat heart mitochondrial carnitine palmitoyltransferase. Biochemistry. 31(40). 9777–9783. 13 indexed citations

Bieber, L.L., et al.. (1991). Purification of heart and liver mitochondrial carnitine acetvltransferase. Protein Expression and Purification. 2(5-6). 426–431. 9 indexed citations

Bieber, L.L., et al.. (1990). The medium-chain carnitine acyltransferase activity associated with rat liver microsomes is malonyl-CoA sensitive. Archives of Biochemistry and Biophysics. 280(1). 167–174. 43 indexed citations

Schmidt‐Sommerfeld, Eberhard, Duna Penn, L.L. Bieber, et al.. (1990). Carnitine Ester Excretion in Pediatric Patients Receiving Parenteral Nutrition. Pediatric Research. 28(2). 158–165. 10 indexed citations

Kerner, János & L.L. Bieber. (1990). Isolation of a malonyl-CoA-sensitive CPT/.beta.-oxidation enzyme complex from heart mitochondria. Biochemistry. 29(18). 4326–4334. 48 indexed citations

Schmidt‐Sommerfeld, Eberhard, Duna Penn, János Kerner, & L.L. Bieber. (1990). Acylcarnitines in the urine of a patient with medium chain acyl-CoA dehydrogenase (MCAD) deficiency and in normal children.. PubMed. 321. 403–9. 1 indexed citations

10.

Schmidt‐Sommerfeld, Eberhard, Duna Penn, János Kerner, & L.L. Bieber. (1989). Analysis of acylcarnitines in normal human urine with the radioisotopic exchange-high performance liquid chromatography (HPLC) method. Clinica Chimica Acta. 181(2). 231–238. 28 indexed citations

11.

Fraker, Pamela J., et al.. (1989). Carnitine and acylcarnitine levels of human peripheral blood lymphocytes and mononuclear phagocytes. Biochimica et Biophysica Acta (BBA) - General Subjects. 992(2). 135–139. 14 indexed citations

12.

Schmidt‐Sommerfeld, Eberhard, et al.. (1989). Quantitation of urinary carnitine esters in a patient with medium-chain acyl-coenzyme A dehydrogenase deficiency: Effect of metabolic state and l-carnitine therapy. The Journal of Pediatrics. 115(4). 577–582. 22 indexed citations

13.

Melegh, Béla, János Kerner, & L.L. Bieber. (1987). Pivampicillin-promoted excretion of pivaloylcarnitine in humans. Biochemical Pharmacology. 36(20). 3405–3409. 82 indexed citations

14.

Kerner, János, J. A. Froseth, E. R. Miller, & L.L. Bieber. (1984). A Study of the Acylcarnitine Content of Sows' Colostrum, Milk and Newborn Piglet Tissues: Demonstration of High Amounts of Isovalerylcarnitine in Colostrum and Milk. Journal of Nutrition. 114(5). 854–861. 29 indexed citations

15.

Bieber, L.L., et al.. (1982). The sidedness of carnitine acetyltransferase and carnitine octanoyltransferase of rat liver endoplasmic reticulum. Biochimica et Biophysica Acta (BBA) - Biomembranes. 689(1). 73–79. 13 indexed citations

16.

Bieber, L.L. & Mary Ann K. Markwell. (1981). [42] Peroxisomal and microsomal carnitine acetyltransferases. Methods in enzymology on CD-ROM/Methods in enzymology. 71 Pt C. 351–358. 26 indexed citations

17.

Markwell, Mary Ann K., et al.. (1981). [16] Protein determination in membrane and lipoprotein samples: Manual and automated procedures. Methods in enzymology on CD-ROM/Methods in enzymology. 72. 296–303. 730 indexed citations breakdown →

18.

Bieber, L.L. & L. Lewin. (1981). [13] Measurement of carnitine and O-acylcarnitines. Methods in enzymology on CD-ROM/Methods in enzymology. 72. 276–287. 39 indexed citations

19.

Lewin, Lawrence M. & L.L. Bieber. (1979). Paper chromatography and bioautography of l-carnitine and its acyl esters. Analytical Biochemistry. 96(2). 322–325. 16 indexed citations

20.

Rottman, Fritz, et al.. (1970). Utilization of methionine, choline, and β-methylcholine by Musca domestica larvae. Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism. 210(1). 182–185. 4 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact