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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Enzymatic In-Situ Transesterification Of Neutral Lipids From Simulated Wastewater Cultured Chlorella Emersonii And Pseudokirchneriella Subcapitata To Sustainably Produce Fatty Acid Methyl Esters, Priyanka Priyanka, Gemma K. Kinsella, Gary Henehan, Barry J. Ryan
Enzymatic In-Situ Transesterification Of Neutral Lipids From Simulated Wastewater Cultured Chlorella Emersonii And Pseudokirchneriella Subcapitata To Sustainably Produce Fatty Acid Methyl Esters, Priyanka Priyanka, Gemma K. Kinsella, Gary Henehan, Barry J. Ryan
Articles
Alternative, more sustainable and environmentally positive, sources of energy are one of the current global challenges. One approach to achieving more sustainable sources of energy is to use waste from one system as a raw material for energy production, following the circular biosystem philosophy. This study successfully adopted this approach whereby microalgae strains Chlorella emersonii and Pseudokirchneriella subcapitata were bioprospected and metabolically engineered in simulated wastewater supplemented with glucose to produce neutral lipids. Using a two-step cultivation approach neutral lipid content was enhanced in Chlorella emersonii and Pseudokirchneriella subcapitata biomass. Via in-situ transesterification, these neutral lipids were subsequently bioconverted to …
Bioavailability And Modes Of Action Of Novel Metal Based Phenanthroline Drugs, Tadhg O’Leary
Bioavailability And Modes Of Action Of Novel Metal Based Phenanthroline Drugs, Tadhg O’Leary
Doctoral
Metal-basedcompounds have been utilised as chemotherapeutic agents for the last four decades due to their well-documented and clinically relevant anti-tumour properties.Acquired resistance is a challenge for the clinical use of these compounds and there is a continuing need to search for potential new therapeutic agents. Herein, the potential of two metal-basedcompounds containing chelated1,10-phenanthroline (1,10-Phen), one manganese-based (CMPD 73)andonecopper-based (CMPD 74), to act as novel therapeutic agents is explored.CMPD 73 displayed high micromolar (IC50>100μM) cytotoxic properties againstvarious cell systems but interestingly displayed increased cytotoxicity against ovarian (A2780), lung (A549) and cisplatin resistant mesothelioma cells(IC5040-50μM). CMPD 74 was equally cytotoxic against …
Bioprocessing Of Brewers' Spent Grain For Production Of Xylanopectinolytic Enzymes By Mucor Sp., Shady S. Hassan, Brijesh K. Tiwari, Gwilym A. Williams, Amit K. Jaiswal
Bioprocessing Of Brewers' Spent Grain For Production Of Xylanopectinolytic Enzymes By Mucor Sp., Shady S. Hassan, Brijesh K. Tiwari, Gwilym A. Williams, Amit K. Jaiswal
Articles
The potential of microwave and ultrasound was evaluated for the pretreatment of brewer's spent grain (BSG). Under optimal conditions of microwave and ultrasound pretreatments, reducing sugar yields per 1 g of pretreated BSG were 64.4 ± 7 mg and 39.9 ± 6 mg, respectively. Subsequently, the pretreated BSG was evaluated as a substrate for production of Xylanopectinolytic enzymes using fungi isolated from spoiled fruits. Out of twenty-nine (29) isolates recovered, Mucor sp. (AB1) isolated from Bramley apple (Malus domestica) produced xylanopectinolytic enzymes with higher specific activity, and was selected for further studies. The highest enzyme activity (137 U/g, …
Advancing Knowledge Management (Km) As An Ich Q10 Enabler In The Biopharmaceutical Industry, Paige Kane, Martin Lipa, Anne Greene (Editor), Nuala Calnan (Editor), Anne Murphy (Editor)
Advancing Knowledge Management (Km) As An Ich Q10 Enabler In The Biopharmaceutical Industry, Paige Kane, Martin Lipa, Anne Greene (Editor), Nuala Calnan (Editor), Anne Murphy (Editor)
Books
A monograph based on doctoral research by the authors through the School of Chemistry & Pharmaceutical Science, Technological University Dublin, Ireland
Cu(Ii) Phenanthroline-Phenazine Complexes Dysregulate Mitochondrial Function And Stimulate Apoptosis, Garret Rochford, Zara Molphy, Kevin Kavanagh, Malachy Mccann, Michael Devereux, Andrew Kellett, Orla L. Howe
Cu(Ii) Phenanthroline-Phenazine Complexes Dysregulate Mitochondrial Function And Stimulate Apoptosis, Garret Rochford, Zara Molphy, Kevin Kavanagh, Malachy Mccann, Michael Devereux, Andrew Kellett, Orla L. Howe
Articles
Herein we report an in-depth study on the cytotoxic mechanism of action of four developmental cytotoxic copper(II) complexes: [Cu(phen)2]2+ (Cu-Phen); [Cu(DPQ)(Phen)]2+ (Cu-DPQ-Phen); [Cu(DPPZ)(Phen)]2+; and [Cu(DPPN)(Phen)]2+ (where Phen = 1,10-phenanthroline, DPQ = dipyrido[3,2-f:20,30-h]quinoxaline, DPPZ = dipyrido[3,2-a:20,30-c]phenazine, and DPPN = benzo[i]dipyrido[3,2-a:20,30-c]phenazine). This complex class is known for its DNA intercalative properties and recent evidence—derived from an in vivo proteomic study—supports the potential targeting of mitochondrial function. Therefore, we focused on mitochondrial-mediated apoptosis related to cytotoxic activity and the potential impact these agents have on mitochondrial function. The Cu(II) complexes demonstrated superior activity regardless of aromatic extension within the phenazine ligand to the …