Find Research Outputs

1989

Molecular and stratification effects on the evolution of concentration fluctuations in decaying homogeneous turbulence with transverse mean-concentration gradient

Oduyemi, K. & Britter, R. E., 1989, Advances in turbulence 2: Proceedings of the second European turbulence conference Berlin, August 30 – September 2, 1988. Fernholz, H-H. & Fiedler, H. E. (eds.). Berlin: Springer-Verlag, p. 186-191 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

homogeneous turbulence
stratification
scalars
gradients
contaminants
5 Citations (Scopus)
Model Reduction
Approximation
Padé Approximation
Preservation
Relationships
25 Citations (Scopus)

Nucleotide sequence and replication characteristics of RepFIB, a basic replicon of IncF plasmids

Saul, D., Spiers, A. J., McAnulty, J., Gibbs, M. G., Bergquist, P. L. & Hill, D. F., May 1989, In : Journal of Bacteriology. 171, 5, p. 2697-2707 11 p.

Research output: Contribution to journalArticle

Replicon
Plasmids
Open Reading Frames
DNA Polymerase I
Sequence Deletion

Physical and sensory interactions of maltol with sucrose

Bingham, A. F., Grigor, J. M. & Birch, G. G., 1 Oct 1989, In : Chemical Senses. 14, 5, p. 685 1 p.

Research output: Contribution to journalMeeting Abstract

Turbulence measurements of suspended solids concentration in estuaries

Oduyemi, K. O. K. & West, J. R., Apr 1989, In : Journal of Hydraulic Engineering. 115, 4, p. 457-474 18 p.

Research output: Contribution to journalArticle

Estuaries
Turbulence
turbulence
estuary
Richardson number
23 Citations (Scopus)

Vasopressin-stimulated Ca2+ influx in rat hepatocytes is inhibited in high-K+ medium

Savage, A. L., Biffen, M. & Martin, B. R., 15 Jun 1989, In : Biochemical Journal. 260, 3, p. 821-827 7 p.

Research output: Contribution to journalArticle

Vasopressins
Cell membranes
Rats
Hepatocytes
Cell Membrane
2 Citations (Scopus)

X chromosome restriction fragment length polymorphisms in five racial groups: rare variant detected with the RC8 (DXS9) probe in the Marathi population, India

Wadhwa, R., Papiha, S., Lester, D., Ray, V., Saha, N. & Bhattacharya, S., 1989, In : Human Heredity. 39, 6, p. 309-12 4 p.

Research output: Contribution to journalArticle

X Chromosome
Restriction Fragment Length Polymorphisms
India
Alleles
Population
1988
10 Citations (Scopus)

Changes in a nuclear matrix antigen during the cell cycle: interphase and mitotic cells

Todorov, I. T., Philipova, P. N., Zhelev, N. Z. & Hadjiolov, A. A., 1988, In : Biology of the Cell. 62, 2, p. 105-110 6 p.

Research output: Contribution to journalArticle

Nuclear Matrix
Nuclear Antigens
Interphase
Cell Cycle
Antigens
17 Citations (Scopus)

Differentiation reduction method as a multipoint Padé approximant

Lucas, T. N., 7 Jan 1988, In : Electronics Letters. 24, 1, p. 60-61 2 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Evaluation of scalar products of repeated integrals by Routh algorithm

Lucas, T. N., 29 Sep 1988, In : Electronics Letters. 24, 20, p. 1290-1291 2 p.

Research output: Contribution to journalArticle

Isolation of U5 snRNP particles

Pironcheva, G., Zhelev, N. & Russev, G., Dec 1988, In : Cytobios. 56, 224, p. 39-44 6 p.

Research output: Contribution to journalArticle

U5 Small Nuclear Ribonucleoproteins
Small Nuclear Ribonucleoproteins
Ammonium Chloride
DEAE-Cellulose
Connective Tissue Diseases
15 Citations (Scopus)

Scaled impulse energy approximation for model reduction

Lucas, T. N., Aug 1988, In : IEEE Transactions on Automatic Control. 33, 8, p. 791-793 3 p.

Research output: Contribution to journalArticle

1987
10 Citations (Scopus)

Further discussion on impulse energy approximation

Lucas, T. N., Feb 1987, In : IEEE Transactions on Automatic Control. 32, 2, p. 189-190 2 p.

Research output: Contribution to journalArticle

HLA class III and non-HLA blood genetic markers in Chinese

Serjeantson, S. W., Spiers, A., Ranford, P. & Hawkins, B. R., 1987, Human leucocyte antigens in Chinese. Hawkins, B. R. (ed.). Hong Kong: Hong Kong University Press, p. 107-115 9 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

18 Citations (Scopus)

Monoclonal antibody against a nuclear matrix antigen in proliferating human cells

Philipova, R. N., Zhelev, N. Z., Todorov, I. T. & Hadjiolov, A. A., 1987, In : Biology of the Cell. 60, 1, p. 1-8 8 p.

Research output: Contribution to journalArticle

Nuclear Matrix
Nuclear Antigens
Nuclear Matrix-Associated Proteins
Monoclonal Antibodies
Lymphocytes
5 Citations (Scopus)

Monoclonal antibody to a nucleolar antigen of human B-lymphoblastoid cells

Todorov, I. T., Philipova, R. N., Zhelev, N. Z. & Hadjiolov, A. A., Mar 1987, In : Cell Biology International Reports. 11, 3, p. 181-187 7 p.

Research output: Contribution to journalArticle

Monoclonal Antibodies
Antigens
Dactinomycin
Lymphocytes
Antibodies

Stable reduced-order models for discrete-time systems

Lucas, T. N., Jan 1987, In : IEE Proceedings D: Control Theory and Applications. 134, 1, p. 51 1 p.

Research output: Contribution to journalLetter

Taylor series approach to functional approximation for inversion of Laplace transforms

Lucas, T. N., 26 Feb 1987, In : Electronics Letters. 23, 5, p. 230 1 p.

Research output: Contribution to journalComment/debate

1986

Accumulation of magnesium ions during the cell cycle

Walker, G. M., 1 Feb 1986, Cell membranes and cancer: proceedings of the second international workshop on membranes in tumour growth, Rome, Italy, June 17-20, 1985. Galeotti, T., Cittadini, A., Neri, G., Papa, S. & Smets, L. A. (eds.). Elsevier, p. 161-167 7 p.

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

19 Citations (Scopus)

Continued-fraction expansion about two or more points: a flexible approach to linear system reduction

Lucas, T. N., Jan 1986, In : Journal of the Franklin Institute. 321, 1, p. 49-60 12 p.

Research output: Contribution to journalArticle

Continued Fraction Expansion
Linear systems
Linear Systems
Poles
Reduced Model
9 Citations (Scopus)

Linear system reduction by the modified factor division method

Lucas, T. N., Nov 1986, In : IEE Proceedings D: Control Theory and Applications. 133, 6, p. 293-296 4 p.

Research output: Contribution to journalArticle

Linear systems
Transfer functions
68 Citations (Scopus)

Magnesium and cell cycle control: an update

Walker, G. M., 1986, In : Magnesium. 5, 1, p. 9-23 15 p.

Research output: Contribution to journalArticle

Cell Cycle Checkpoints
Magnesium
Cell Cycle
Cell Division
Bacteria

Solute dispersion and sediment transport in estuaries

West, J. R., Guymer, I., Sangodoyin, Y. & Oduyemi, K. O. K., 1 Apr 1986, In : Water Science & Technology. 18, 4-5, p. 93-100 8 p.

Research output: Contribution to journalArticle

Sediment transport
Estuaries
sediment transport
solute
estuary
1985
21 Citations (Scopus)

Linear system reduction by impulse energy approximation

Lucas, T. N., Aug 1985, In : IEEE Transactions on Automatic Control. 30, 8, p. 784-786 3 p.

Research output: Contribution to journalArticle

Impulse response
Linear systems

Magnesium in mitosis and the cell cycle

Duffus, J. H. & Walker, G. M., Jul 1985, In : Journal of the American College of Nutrition. 4, 3, p. 341-342 2 p.

Research output: Contribution to journalMeeting Abstract

Model reduction by condensed continued-fraction method

Lucas, T. N., 1 Aug 1985, In : Electronics Letters. 21, 16, p. 680-681 2 p.

Research output: Contribution to journalArticle

Transfer functions
1984
11 Citations (Scopus)

Biased model reduction by factor division

Lucas, T. N., 5 Jul 1984, In : Electronics Letters. 20, 14, p. 582–583 2 p.

Research output: Contribution to journalArticle

Transfer functions

Differential gene expression in rapidly-dividing cells of Schizosaccharomyces pombe

Walker, G. M. & Kramhøft, B., 1 Jun 1984, In : Biochemical Society Transactions. 12, 3, p. 438-439 2 p.

Research output: Contribution to journalMeeting Abstract

7 Citations (Scopus)

Linear system reduction by continued-fraction expansion about three points

Lucas, T. N., 5 Jan 1984, In : Electronics Letters. 20, 1, p. 50-51 2 p.

Research output: Contribution to journalArticle

Linear systems

Magnesium and control of mitochondrial morphology in fission yeast

Walker, G. M. & Birch-Andersen, A., 1 Jun 1984, In : Biochemical Society Transactions. 12, 3, p. 439-440 2 p.

Research output: Contribution to journalMeeting Abstract

12 Citations (Scopus)

Magnesium and the regulation of germ-tube formation in Candida albicans

Walker, G. M., Sullivan, P. A. & Shepherd, M. G., 1 Aug 1984, In : Journal of General Microbiology. 130, 8, p. 1941-1945 5 p.

Research output: Contribution to journalArticle

Candida albicans
Magnesium
Yeasts
Acetylglucosamine
Ionophores

System reduction by Cauer continued-fraction expansion about s = a and s = ∞ alternately

Lucas, T. N., 12 Apr 1984, In : Electronics Letters. 20, 8, p. 335-336 2 p.

Research output: Contribution to journalComment/debate

1983

Central regulatory role for magnesium in cell growth and metabolism?

Walker, G. M., 1983, Progress in cell cycle controls: 6th European cell cycle workshop. Chaloupka, J., Kotyk, A. & Streiblová, E. (eds.). Prague: Czechoslovak Academy of Sciences, p. 213-214 2 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

15 Citations (Scopus)

Continued-fraction algorithm for biased model reduction

Lucas, T. N., 9 Jun 1983, In : Electronics Letters. 19, 12, p. 444-445 2 p.

Research output: Contribution to journalArticle

Linear systems
12 Citations (Scopus)

Efficient algorithm for reduction by continued-fraction expansion about s = 0 and s = a

Lucas, T. N., 10 Nov 1983, In : Electronics Letters. 19, 23, p. 991–993 3 p.

Research output: Contribution to journalArticle

59 Citations (Scopus)

Factor division: a useful algorithm in model reduction

Lucas, T. N., Nov 1983, In : IEE Proceedings D: Control Theory and Applications. 130, 6, p. 362-364 3 p.

Research output: Contribution to journalArticle

Bearing pads
Linear systems
Poles
19 Citations (Scopus)

Frequency-domain reduction of linear systems using Schwarz approximation

Lucas, T. N. & Davidson, A. M., 1983, In : International Journal of Control. 37, 5, p. 1167-1178 12 p.

Research output: Contribution to journalArticle

Linear systems
Polynomials
17 Citations (Scopus)

Linear system reduction by continued-fraction expansion about s = 0 and s = a alternately

Lucas, T. N., 31 Mar 1983, In : Electronics Letters. 19, 7, p. 244-246 3 p.

Research output: Contribution to journalArticle

Transfer functions
Linear systems

Magnesium as the fundamental regulator of the cell cycle

Walker, G. M. & Duffus, J. H., 1983, In : Magnesium. 2, p. 1-16 16 p.

Research output: Contribution to journalArticle

cell cycle
magnesium
Schizosaccharomyces pombe
mitosis
chromosomes
1982
30 Citations (Scopus)

Cell cycle specificity of certain antimicrotubular drugs in Schizosaccharomyces pombe

Walker, G. M., 1 Jan 1982, In : Journal of General Microbiology. 128, 1, p. 61-71 11 p.

Research output: Contribution to journalArticle

Schizosaccharomyces
Thiabendazole
Cell Cycle
Pharmaceutical Preparations
Microtubules
7 Citations (Scopus)

Magnesium-induced mitochondrial polymorphism and changes in respiratory metabolism in the fission yeast, Schizosaccharomyces pombe

Walker, G. M., Birch-Andersen, A., Hamburger, K. & Kramhøft, B., Jul 1982, In : Carlsberg Research Communications. 47, 4, p. 205-214 10 p.

Research output: Contribution to journalArticle

Schizosaccharomyces
Polymorphism
Metabolism
Yeast
Magnesium
1981

The regulation of cell division in yeast by magnesium

Walker, G. M. & Duffus, J. H., 1981, Current developments in yeast research . Stewart, G. G. & Russell, I. (eds.). PERGAMON-ELSEVIER SCIENCE LTD, p. 561-567 7 p. (Advances in Biotechnology; vol. 4).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cell Division
Magnesium
Yeasts
Schizosaccharomyces
Cell Cycle Checkpoints
1980
7 Citations (Scopus)

Changes in calcium and magnesium levels during heat-shock synchronized cell division in Tetrahymena

Walker, G. M. & Zeuthen, E., Jun 1980, In : Experimental Cell Research. 127, 2, p. 487-490 4 p.

Research output: Contribution to journalArticle

Tetrahymena
Cell Division
Magnesium
Shock
Hot Temperature

Correlation of glutamine synthetase activity with cell magnesium concentration during cell division in yeast synchronized by induction

Walker, G. M., Thomson, J. C., Slaughter, C. & Duffus, J. H., 1 Oct 1980, In : Journal of General Microbiology. 120, 2, p. 535-537 3 p.

Research output: Contribution to journalArticle

Glutamate-Ammonia Ligase
Cell Division
Magnesium
Yeasts
Schizosaccharomyces
32 Citations (Scopus)

Magnesium ions and the control of the cell cycle in yeast

Walker, G. M. & Duffus, J. H., 1 Apr 1980, In : Journal of Cell Science. 42, 1, p. 329-356 28 p.

Research output: Contribution to journalArticle

Cell Cycle Checkpoints
Magnesium
Yeasts
Ions
Schizosaccharomyces

Perturbation of enzyme activity in cells of the fission yeast Schizosaccharomyces pombe subjected to continuous-flow centrifugation

Walker, G. M., Thomson, J. C., Slaughter, J. C. & Duffus, J. H., 1 Aug 1980, In : Journal of General Microbiology. 119, 2, p. 543-546 4 p.

Research output: Contribution to journalArticle

Schizosaccharomyces
Centrifugation
Glutamate-Ammonia Ligase
Enzymes
Cell Cycle
1979
6 Citations (Scopus)
Schizosaccharomyces pombe
chelating agents
cell division
antibiotics
cations
1978
3 Citations (Scopus)

Synchronization of cell division in the fission yeast Schizosaccharomyces pombe by ethylenediaminetetra-acetic acid

Ahluwalia, B., Duffus, J. H., Paterson, L. J. & Walker, G. M., 1 Jun 1978, In : Journal of General Microbiology. 106, 2, p. 261-264 4 p.

Research output: Contribution to journalArticle

Schizosaccharomyces
Edetic Acid
Acetic Acid
Cell Division
Nucleic Acids
1976
5 Citations (Scopus)

Linear system reduction using Schwarz canonical form

Davidson, A. M. & Lucas, T. N., 24 Jun 1976, In : Electronics Letters. 12, 13, p. 324 1 p.

Research output: Contribution to journalArticle

Linear systems