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An innovative method of extraction of coffee oil using an advanced microwave system: in comparison with conventional Soxhlet extraction method (2019)
Journal Article
Hibbert, S., Welham, K., & Zein, S. (2019). An innovative method of extraction of coffee oil using an advanced microwave system: in comparison with conventional Soxhlet extraction method. SN applied sciences, 1(11), https://doi.org/10.1007/s42452-019-1457-5

The production of energy and chemicals from waste biomass is an attractive alternative by comparison with first generation biofuels and fossil feedstocks. This paper investigates oil extraction from spent coffee grounds (SCG) by means of an advanced... Read More about An innovative method of extraction of coffee oil using an advanced microwave system: in comparison with conventional Soxhlet extraction method.

The inhibitory subunit of cardiac troponin (cTnI) is modified by arginine methylation in the human heart (2019)
Journal Article
Onwuli, D. O., Samuel, S., Sfyri, P., Welham, K., Goddard, M., Abu-Omar, Y., …Beltran-Alvarez, P. (2019). The inhibitory subunit of cardiac troponin (cTnI) is modified by arginine methylation in the human heart. International journal of cardiology, 282, 76-80. https://doi.org/10.1016/j.ijcard.2019.01.102

Background The inhibitory subunit of cardiac troponin (cTnI) is a gold standard cardiac biomarker and also an essential protein in cardiomyocyte excitation-contraction coupling. The interactions of cTnI with other proteins are fine-tuned by post-tra... Read More about The inhibitory subunit of cardiac troponin (cTnI) is modified by arginine methylation in the human heart.

A disposable microfluidic device with a screen printed electrode for mimicking phase II metabolism (2016)
Journal Article
Vasiliadou, R., Esfahani, M. M. N., Brown, N. J., & Welham, K. J. (2016). A disposable microfluidic device with a screen printed electrode for mimicking phase II metabolism. Sensors, 16(9), doi:10.3390/s16091418

Human metabolism is investigated using several in vitro methods. However, the current methodologies are often expensive, tedious and complicated. Over the last decade, the combination of electrochemistry (EC) with mass spectrometry (MS) has a simpler... Read More about A disposable microfluidic device with a screen printed electrode for mimicking phase II metabolism.

Optimization preparation of the biosynthesis of silver nanoparticles using watermelon and study of its antibacterial activity (2014)
Journal Article
Alzahrani, E., & Welham, K. (in press). Optimization preparation of the biosynthesis of silver nanoparticles using watermelon and study of its antibacterial activity. International Journal of Basic and Applied Sciences, 3(4), 392. https://doi.org/10.14419/ijbas.v3i4.3358

The field of nanotechnology is the most active area of research in modern materials science. There is increased demand on nanoparticles because of their wide applicability in various areas; for example, electronics, catalysis, chemistry, energy and m... Read More about Optimization preparation of the biosynthesis of silver nanoparticles using watermelon and study of its antibacterial activity.

Fabrication of a TCEP-immobilised monolithic silica microchip for reduction of disulphide bonds in proteins (2013)
Journal Article
Alzahrani, E., & Welham, K. (2014). Fabrication of a TCEP-immobilised monolithic silica microchip for reduction of disulphide bonds in proteins. Analytical Methods, 6(2), 558-568. https://doi.org/10.1039/c3ay41442f

Protein identification by mass spectrometry forms the cornerstone of proteomics. Commonly, the identification of proteins is based on digestion of proteins into peptides using proteolytic enzymes. Cleavage of the disulphide bonds in proteins before e... Read More about Fabrication of a TCEP-immobilised monolithic silica microchip for reduction of disulphide bonds in proteins.

Preconcentration of milk proteins using octadecylated monolithic silica microchip (2013)
Journal Article
Alzahrani, E., & Welham, K. (2013). Preconcentration of milk proteins using octadecylated monolithic silica microchip. Analytica Chimica Acta, 798, (40-47). doi:10.1016/j.aca.2013.08.035. ISSN 0003-2670

Sample preparation is a bottleneck in systems for chemical analysis and it is a required step in order to remove interference and preconcentrate the target analytes. Much research in recent years has focused on porous monolithic materials since they... Read More about Preconcentration of milk proteins using octadecylated monolithic silica microchip.

Proteomic analysis of B-cell receptor signaling in chronic lymphocytic leukaemia reveals a possible role for kininogen (2013)
Journal Article
Kashuba, E., Eagle, G. L., Bailey, J., Evans, P., Welham, K. J., Allsup, D., & Cawkwell, L. (2013). Proteomic analysis of B-cell receptor signaling in chronic lymphocytic leukaemia reveals a possible role for kininogen. Journal of Proteomics, 91, (478-485). doi:10.1016/j.jprot.2013.08.002. ISSN 1874-3919

CLL is an incurable disease with variable prognosis. The hyper reactivity of the B-cell receptor (BCR) to unknown antigen ligation plays a pivotal role in CLL-cell survival. We aimed to investigate the BCR signalling pathway using proteomics to ident... Read More about Proteomic analysis of B-cell receptor signaling in chronic lymphocytic leukaemia reveals a possible role for kininogen.

Reply to “Analysis of NO and its metabolites by mass spectrometry. Comment on ‘Detection of nitric oxide in tissue samples by ESI-MS’” (2011)
Journal Article
Zheng, S., Webster, A., Zheng, S., Welham, K. J., Dyer, C. E., Greenman, J., …Haswell, S. J. (2011). Reply to “Analysis of NO and its metabolites by mass spectrometry. Comment on ‘Detection of nitric oxide in tissue samples by ESI-MS’”. The Analyst, 136(2), 411-411. doi:10.1039/c0an00729c

Comment by Tsikas et al. (Analyst, 2011, DOI: 10.1039/c0an00411a) on the preliminary work by Shen and colleagues (Analyst, 2010, 135, 302) describing the use of ESI-MS/MS for the detection of methylpiperazinobenzenediamine, as a probe for NO in tissu... Read More about Reply to “Analysis of NO and its metabolites by mass spectrometry. Comment on ‘Detection of nitric oxide in tissue samples by ESI-MS’”.

Identification of a female sex pheromone in Carcinus maenas (2011)
Journal Article
Hardege, J. D., Bartels-Hardege, H. D., Fletcher, N., Terschak, J. A., Harley, M., Smith, M. A., …Bublitz, R. (2011). Identification of a female sex pheromone in Carcinus maenas. Marine ecology progress series, 436, 177-189. https://doi.org/10.3354/meps09226

Despite major progress in our understanding of animal signaling systems, the identification of chemical signals in aquatic organisms is still in its infancy. Exemplary for this is the lack of structural knowledge of crustacean sex pheromones despite... Read More about Identification of a female sex pheromone in Carcinus maenas.

Design and evaluation of synthetic silica-based monolithic materials in shrinkable tube for efficient protein extraction (2011)
Journal Article
Alzahrani, E., & Welham, K. (2011). Design and evaluation of synthetic silica-based monolithic materials in shrinkable tube for efficient protein extraction. The Analyst, 136(20), 4321-4327. https://doi.org/10.1039/c1an15447h

Sample pretreatment is a required step in proteomics in order to remove interferences and preconcentrate the samples. Much research in recent years has focused on porous monolithic materials since they are highly permeable to liquid flow and show hig... Read More about Design and evaluation of synthetic silica-based monolithic materials in shrinkable tube for efficient protein extraction.

Evidence that 1-methyl-L-tryptophan is a food-related odorant for the Senegalese sole (Solea senegalensis) (2011)
Journal Article
Velez, Z., Hubbard, P. C., Hardege, J. D., Welham, K. J., Barata, E. N., & Canário, A. V. M. (2011). Evidence that 1-methyl-L-tryptophan is a food-related odorant for the Senegalese sole (Solea senegalensis). Aquaculture, 314(1-4), (153-158). doi:10.1016/j.aquaculture.2011.01.025. ISSN 0044-8486

Nocturnal animals often rely heavily on olfactory cues to locate their food. This is especially true for fish whose prey live buried in the substrate. The aim of the current study was to identify non-polar odorants released by the ragworm (Hediste di... Read More about Evidence that 1-methyl-L-tryptophan is a food-related odorant for the Senegalese sole (Solea senegalensis).

Proteomic identification of putative biomarkers of radiotherapy resistance: a possible role for the 26S proteasome? (2009)
Journal Article
Smith, L., Qutob, O., Watson, M. B., Beavis, A. W., Potts, D., Welham, K. J., …Cawkwell, L. (2009). Proteomic identification of putative biomarkers of radiotherapy resistance: a possible role for the 26S proteasome?. Neoplasia, 11(11), (1194-1207). doi:10.1593/neo.09902. ISSN 1522-8002

PURPOSE: We aimed to identify putative predictive protein biomarkers of radioresistance. EXPERIMENTAL DESIGN: Three breast cancer cell lines (MCF7, MDA-MB-231, and T47D) were used as in vitro models to study radioresistance. Inherent radiosensitiviti... Read More about Proteomic identification of putative biomarkers of radiotherapy resistance: a possible role for the 26S proteasome?.

Detection of nitric oxide in tissue samples by ESI-MS (2009)
Journal Article
Shen, Z., Webster, A., Welham, K. J., Dyer, C. E., Greenman, J., & Haswell, S. J. (2010). Detection of nitric oxide in tissue samples by ESI-MS. The Analyst, 135(2), 302-305. doi:10.1039/b917643h

A novel method to determine nitric oxide (NO) in biological tissue samples with minimal interference from the cellular detritus is described. Methylpiperazinobenzenediamine, consisting of an o-phenylenediamine and a methyl piperazine group, was chose... Read More about Detection of nitric oxide in tissue samples by ESI-MS.

Identification, release and olfactory detection of bile salts in the intestinal fluid of the Senegalese sole (Solea senegalensis) (2009)
Journal Article
Velez, Z., Hubbard, P. C., Welham, K., Hardege, J., Barata, E. N., & Canário, A. V. M. (2009). Identification, release and olfactory detection of bile salts in the intestinal fluid of the Senegalese sole (Solea senegalensis). Journal of comparative physiology. A, Sensory, neural, and behavioral physiology, 195(7), (691-698). doi:10.1007/s00359-009-0444-5. ISSN 0340-7594

Olfactory sensitivity to bile salts is wide-spread in teleosts; however, which bile salts are released in sufficient quantities to be detected is unclear. The current study identified bile salts in the intestinal and bile fluids of Solea senegalensis... Read More about Identification, release and olfactory detection of bile salts in the intestinal fluid of the Senegalese sole (Solea senegalensis).