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Surface Functionality in Nanocellulose Processing and Composite Formulations (2019)
Thesis
Onyianta, A. (2019). Surface Functionality in Nanocellulose Processing and Composite Formulations [Doctoral thesis, Edinburgh Napier University]. http://researchrepository.napier.ac.uk/Output/2025207

Cellulose nanofibrils (CNF) are cellulose nanomaterials with desirable properties and offer great potentials to be applied in diverse fields. While various pre-treatments have been studied with the aim of reducing the intensity of mechanical fibrilla... Read More about Surface Functionality in Nanocellulose Processing and Composite Formulations.

Land use driven change in soil pH affects microbial carbon cycling processes (2018)
Journal Article
Malik, A. A., Puissant, J., Buckeridge, K. M., Goodall, T., Jehmlich, N., Chowdhury, S., Gweon, H. S., Peyton, J. M., Mason, K. E., van Agtmaal, M., Blaud, A., Clark, I. M., Whitaker, J., Pywell, R. F., Ostle, N., Gleixner, G., & Griffiths, R. I. (2018). Land use driven change in soil pH affects microbial carbon cycling processes. Nature Communications, 9(1), 3591. https://doi.org/10.1038/s41467-018-05980-1

Soil microorganisms act as gatekeepers for soil–atmosphere carbon exchange by balancing the accumulation and release of soil organic matter. However, poor understanding of the mechanisms responsible hinders the development of effective land managemen... Read More about Land use driven change in soil pH affects microbial carbon cycling processes.

Aqueous morpholine pre-treatment in cellulose nanofibril (CNF) production: comparison with carboxymethylation and TEMPO oxidisation pre-treatment methods (2017)
Journal Article
Onyianta, A. J., Dorris, M., & Williams, R. (2017). Aqueous morpholine pre-treatment in cellulose nanofibril (CNF) production: comparison with carboxymethylation and TEMPO oxidisation pre-treatment methods. Cellulose. https://doi.org/10.1007/s10570-017-1631-0

In this study, pulped cellulose fibres were pre-treated with aqueous morpholine prior to mechanical disruption in the production of cellulose nanofibrils (CNF). The properties of the morpholine pre-treated CNF (MCNF) were closely compared with CNF ob... Read More about Aqueous morpholine pre-treatment in cellulose nanofibril (CNF) production: comparison with carboxymethylation and TEMPO oxidisation pre-treatment methods.

The emerging role of E2F-1 in the DNA damage response and checkpoint control. (2004)
Journal Article
Stevens, C., & La Thangue, N. B. (2004). The emerging role of E2F-1 in the DNA damage response and checkpoint control. DNA Repair, 3(8-9), 1071-1079. https://doi.org/10.1016/j.dnarep.2004.03.034

Genotoxic stress triggers a myriad of cellular responses including cell cycle arrest, stimulation of {DNA} repair and apoptosis. A central role for the E2F-1 transcription factor in the {DNA} damage response pathway is gaining support. E2F-1 is phosp... Read More about The emerging role of E2F-1 in the DNA damage response and checkpoint control..

Persistence and effects of fenamiphos on native algal populations and enzymatic activities in soil (1999)
Journal Article
Megharaj, M., Singleton, I., Kookana, R., & Naidu, R. (1999). Persistence and effects of fenamiphos on native algal populations and enzymatic activities in soil. Soil Biology and Biochemistry, 31(11), 1549-1553. https://doi.org/10.1016/s0038-0717%2899%2900078-4

Fenamiphos is a commonly and widely used nematicide and insecticide in agriculture but information on its effects on microorganisms in soil is scarce. The microbial role in the persistence of fenamiphos in soil was determined by comparing the relativ... Read More about Persistence and effects of fenamiphos on native algal populations and enzymatic activities in soil.

Reliable and accurate sequencing of lambda, cosmid and P1 DNAs using modified dye terminator reaction parameters (1998)
Journal Article
Harvey, R. J., Harder, S., & Darlison, M. G. (1998). Reliable and accurate sequencing of lambda, cosmid and P1 DNAs using modified dye terminator reaction parameters. Technical tips online, 3(1), 150-152. https://doi.org/10.1016/S1366-2120%2808%2970126-0

Many laboratories still find the direct sequencing of large DNA templates (i.e. lambda, cosmid and bacteriophage P1 clones) problematic. To date, only limited amounts of sequence information, which in many cases is of poor quality, can be generated f... Read More about Reliable and accurate sequencing of lambda, cosmid and P1 DNAs using modified dye terminator reaction parameters.

In Situ Hybridization and Reverse Transcription-Polymerase Chain Reaction Studies on the Expression of the GABAc Receptor ρ1- and ρ2-subunit Genes in Avian and Rat Brain (1997)
Journal Article
Albrecht, B. E., Breitenbach, U., Stühmer, T., Harvey, R. J., & Darlison, M. G. (1997). In Situ Hybridization and Reverse Transcription-Polymerase Chain Reaction Studies on the Expression of the GABAc Receptor ρ1- and ρ2-subunit Genes in Avian and Rat Brain. European Journal of Neuroscience, 9(11), 2414-2422. https://doi.org/10.1111/j.1460-9568.1997.tb01658.x

The pharmacological properties of homo-oligomeric channels formed by the GABA type A receptor-like ρl and ρ2 polypeptides are very reminiscent of those of the GABA type C receptors that have been extensively characterized in the retina. Similar recep... Read More about In Situ Hybridization and Reverse Transcription-Polymerase Chain Reaction Studies on the Expression of the GABAc Receptor ρ1- and ρ2-subunit Genes in Avian and Rat Brain.

Differential patterns of expression of two novel invertebrate (Lymnaea stagnalis) ionotropic glutamate receptor genes (1997)
Journal Article
Harvey, R. J., Stühmer, T., van Minnen, J., & Darlison, M. G. (1997). Differential patterns of expression of two novel invertebrate (Lymnaea stagnalis) ionotropic glutamate receptor genes. Neuroscience Research Communications, 20(1), 31-40. https://doi.org/10.1002/%28SICI%291520-6769%28199701%2920%3A13.0.CO%3B2-6

We report the isolation of molluscan (Lymnaea stagnalis) partial complementary DNAs (cDNAs) that encode two new putative glutamate-gated cation-channel polypeptides. These proteins, which we have named Lym-eGluR4 and Lym-eGluR5, exhibit 56% identity... Read More about Differential patterns of expression of two novel invertebrate (Lymnaea stagnalis) ionotropic glutamate receptor genes.

GABA-, Glycine-, and Glutamate-Gated Channels and Their Possible Involvement in Neurological and Psychiatric Illness (1996)
Book Chapter
Darlison, M. G., & Harvey, R. J. (1996). GABA-, Glycine-, and Glutamate-Gated Channels and Their Possible Involvement in Neurological and Psychiatric Illness. Molecular Biology of Membrane Transport Disorders (pp. 169-180). Springer Science + Business Media. https://doi.org/10.1007/978-1-4613-1143-0_9

Rapid chemical communication between cells in the vertebrate central nervous system is mediated by ligand-gated ion-channel receptors (also called ionotropic receptors), which are multisubunit complexes, that each contain an ion-selective channel. In... Read More about GABA-, Glycine-, and Glutamate-Gated Channels and Their Possible Involvement in Neurological and Psychiatric Illness.

Factors affecting silver biosorption by an industrial strain of Saccharomyces cerevisiae (1996)
Journal Article
Singleton, I., & Simmons, P. (1996). Factors affecting silver biosorption by an industrial strain of Saccharomyces cerevisiae. Journal of Chemical Technology and Biotechnology, 65(1), 21-28. https://doi.org/10.1002/%28SICI%291097-4660%28199601%2965%3A13.0.CO%3B2-E

Factors affecting silver biosorption by Saccharomyces cerevisiae biomass, obtained as a waste product from industry, were examined. Maximum removal of silver from solution was achieved within 5 min. Increasing the concentration of biomass in experime... Read More about Factors affecting silver biosorption by an industrial strain of Saccharomyces cerevisiae.

Biosynthesis of the glycolipid anchor of lipophosphoglycan and the structurally related glycoinositolphospholipids from Leishmania major (1995)
Journal Article
Proudfoot, L., Schneider, P., Ferguson, M. A. J., & McConville, M. J. (1995). Biosynthesis of the glycolipid anchor of lipophosphoglycan and the structurally related glycoinositolphospholipids from Leishmania major. The biochemical journal, 308(1), 45-55. https://doi.org/10.1042/bj3080045

The major macromolecule on the surface of the protozoan parasite Leishmania major is a lipophosphoglycan (LPG) which contains a glycosylphosphatidylinositol glycolipid anchor. This parasite also synthesizes a complex family of abundant low-molecular-... Read More about Biosynthesis of the glycolipid anchor of lipophosphoglycan and the structurally related glycoinositolphospholipids from Leishmania major.

Further Evidence for Clustering of Human GABAA Receptor Subunit Genes: Localization of the α6-Subunit Gene (GABRA6) to Distal Chromosome 5q by Linkage Analysis (1994)
Journal Article
Hicks, A. A., Bailey, M. E. S., Riley, B. P., Kamphuis, W., Siciliano, M. J., Johnson, K. J., & Darlison, M. G. (1994). Further Evidence for Clustering of Human GABAA Receptor Subunit Genes: Localization of the α6-Subunit Gene (GABRA6) to Distal Chromosome 5q by Linkage Analysis. Genomics, 20(2), 285-288. https://doi.org/10.1006/geno.1994.1167

GABAA receptors are hetero-oligomeric ion-channel complexes that are composed of combinations of α, β, γ, and δ subunits and play a major role in inhibitory neurotransmission in the mammalian brain. We report here a microsatellite polymorphism within... Read More about Further Evidence for Clustering of Human GABAA Receptor Subunit Genes: Localization of the α6-Subunit Gene (GABRA6) to Distal Chromosome 5q by Linkage Analysis.

Sequence and Novel Distribution of the Chicken Homologue of the Mammalianγ-Aminobutyric AcidAReceptorγ1 Subunit (1993)
Journal Article
Glencorse, T. A., Darlison, M. G., Barnard, E. A., & Bateson, A. N. (1993). Sequence and Novel Distribution of the Chicken Homologue of the Mammalianγ-Aminobutyric AcidAReceptorγ1 Subunit. Journal of Neurochemistry, 61(6), 2294-2302. https://doi.org/10.1111/j.1471-4159.1993.tb07473.x

cDNAs have been cloned that encode the chicken (Gallus domesticus) γ-aminobutyric acidA receptor γ1 subunit, the mature sequence of which shares 90, 79, and 69% identity with those of the rat γ1, γ2., and γ3 subunits, respectively. In situ hybridizat... Read More about Sequence and Novel Distribution of the Chicken Homologue of the Mammalianγ-Aminobutyric AcidAReceptorγ1 Subunit.

Rheological spectroscopy of concentrated colloidal dispersions (1993)
Journal Article
Williams, P. R., Williams, D. J. A., & Williams, R. L. (1993). Rheological spectroscopy of concentrated colloidal dispersions. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 77(1), 75-79. https://doi.org/10.1016/0927-7757%2893%2980101-j

A new instrument, the virtual gap rheometer (VGR) for the determination of dynamic shear moduli (and mechanical relaxation spectra therefrom) at frequencies above 100 Hz is described. Several features of the VGR which make it particularly suited to t... Read More about Rheological spectroscopy of concentrated colloidal dispersions.

Rapid changes in the surface of parasitic nematodes during transition from pre- to post-parasitic forms (1993)
Journal Article
Proudfoot, L., Kusel, J. R., Smith, H. V., Harnett, W., Worms, M. J., & Kennedy, M. W. (1993). Rapid changes in the surface of parasitic nematodes during transition from pre- to post-parasitic forms. Parasitology, 107(01), 107. https://doi.org/10.1017/s0031182000079464

All mammalian-parasitic stages of a range of nematode species investigated (Brugia pahangi, Acanthocheilonema viteae, Strongyloides ratti, Nippostrongylus brasiliensis, Trichinella spiralis and Ostertagia ostertagi) labelled in a surface-restricted m... Read More about Rapid changes in the surface of parasitic nematodes during transition from pre- to post-parasitic forms.

Amino acid receptors from insect muscle: electrophysiological characterization in Xenopus oocytes following expression by injection of mRNA (1990)
Journal Article
Fraser, S. P., Djamgoz, M. B. A., Usherwood, P. N. R., O'Brien, J., Darlison, M. G., & Barnard, E. A. (1990). Amino acid receptors from insect muscle: electrophysiological characterization in Xenopus oocytes following expression by injection of mRNA. Molecular Brain Research, 8(4), 331-341. https://doi.org/10.1016/0169-328x%2890%2990047-h

Poly(A)+ messenger ribonucleic acid (mRNA) was extracted from leg muscles of the locust Schistocerca gregaria and injected into oocytes of Xenopus laevis. After 5–10 days incubation, receptors for l-glutamate, l-quisqualate, dl-ibotenate and γ-aminob... Read More about Amino acid receptors from insect muscle: electrophysiological characterization in Xenopus oocytes following expression by injection of mRNA.

Distinct regional expression of nicotinic acetylcholine receptor genes in chick brain (1990)
Journal Article
Morris, B. J., Hicks, A. A., Wisden, W., Darlison, M. G., Hunt, S. P., & Barnard, E. A. (1990). Distinct regional expression of nicotinic acetylcholine receptor genes in chick brain. Molecular Brain Research, 7(4), 305-315. https://doi.org/10.1016/0169-328x%2890%2990081-n

Four genes (α2, α3, α4 and β2) have been reported as encoding subunits of the nicotinic acetylcholine receptor (nAChR) in chicken brain. The mRNAs transcribed from these genes have here been localised to particular regions using in situ hybridisation... Read More about Distinct regional expression of nicotinic acetylcholine receptor genes in chick brain.