Search Results - "David, K J"
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Cryo-EM Structure of the Rhodobacter sphaeroides Light-Harvesting 2 Complex at 2.1 Å
Published in Biochemistry (Easton) (09-11-2021)“…Light-harvesting 2 (LH2) antenna complexes augment the collection of solar energy in many phototrophic bacteria. Despite its frequent role as a model for such…”
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Young children’s developing ability to integrate gestural and emotional cues
Published in Journal of experimental child psychology (01-01-2021)“…•22-month-olds succeed choosing an item pointed at with a positive facial expression.•46-month-olds succeed avoiding an item pointed at with a negative facial…”
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A photosynthetic antenna complex foregoes unity carotenoid-to-bacteriochlorophyll energy transfer efficiency to ensure photoprotection
Published in Proceedings of the National Academy of Sciences - PNAS (24-03-2020)“…Carotenoids play a number of important roles in photosynthesis, primarily providing light-harvesting and photoprotective energy dissipation functions within…”
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Enhanced Output from Biohybrid Photoelectrochemical Transparent Tandem Cells Integrating Photosynthetic Proteins Genetically Modified for Expanded Solar Energy Harvesting
Published in Advanced energy materials (01-04-2017)“…A transparent biohybrid photoelectrochemical tandem cell is developed by employing optically‐complementary variants of a photosynthetic protein in a stacked…”
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Metabotropic glutamate receptor 5 as a potential target for smoking cessation
Published in Psychopharmacology (01-05-2017)“…Rationale Most habitual smokers find it difficult to quit smoking because they are dependent upon the nicotine present in tobacco smoke. Tobacco dependence is…”
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Cytochrome c Provides an Electron-Funneling Antenna for Efficient Photocurrent Generation in a Reaction Center Biophotocathode
Published in ACS applied materials & interfaces (19-07-2017)“…The high quantum efficiency of photosynthetic reaction centers (RCs) makes them attractive for bioelectronic and biophotovoltaic applications. However, much of…”
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Anti-Inflammatory Effects of Metformin Irrespective of Diabetes Status
Published in Circulation research (19-08-2016)“…RATIONALE:The diabetes mellitus drug metformin is under investigation in cardiovascular disease, but the molecular mechanisms underlying possible benefits are…”
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Evaluation of a biohybrid photoelectrochemical cell employing the purple bacterial reaction centre as a biosensor for herbicides
Published in Biosensors & bioelectronics (15-08-2014)“…The Rhodobacter sphaeroides reaction centre is a relatively robust and tractable membrane protein that has potential for exploitation in technological…”
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Excitation energy transfer in proteoliposomes reconstituted with LH2 and RC-LH1 complexes from Rhodobacter sphaeroides
Published in Bioscience reports (01-02-2024)“…Light-harvesting 2 (LH2) and reaction-centre light-harvesting 1 (RC-LH1) complexes purified from the photosynthetic bacterium Rhodobacter (Rba.) sphaeroides…”
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High fat feeding promotes simultaneous decline in insulin sensitivity and cognitive performance in a delayed matching and non-matching to position task
Published in Behavioural brain research (02-02-2011)“…▶ High fat feeding (HFF) reduces peripheral insulin sensitivity in out-bred rats. ▶ HFF impairs an operant, but not a watermaze, delayed matching to position…”
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Bacterial Reaction Centers Purified with Styrene Maleic Acid Copolymer Retain Native Membrane Functional Properties and Display Enhanced Stability
Published in Angewandte Chemie International Edition (27-10-2014)“…Integral membrane proteins often present daunting challenges for biophysical characterization, a fundamental issue being how to select a surfactant that will…”
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Carotenoid-to-(bacterio)chlorophyll energy transfer in LH2 antenna complexes from Rba. sphaeroides reconstituted with non-native (bacterio)chlorophylls
Published in Photosynthesis research (01-05-2020)“…Six variants of the LH2 antenna complex from Rba. sphaeroides , comprising the native B800-B850, B800-free LH2 (B850) and four LH2s with various…”
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13
A Thermostable Protein Matrix for Spectroscopic Analysis of Organic Semiconductors
Published in Journal of the American Chemical Society (12-08-2020)“…Advances in protein design and engineering have yielded peptide assemblies with enhanced and non-native functionalities. Here, various molecular organic…”
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Historical and current perspective on tobacco use and nicotine addiction
Published in Trends in neurosciences (Regular ed.) (01-07-2011)“…Although the addictive influence of tobacco was recognized very early, the modern concepts of nicotine addiction have relied on knowledge of cholinergic…”
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Extrasynaptic Glycine Receptors of Rodent Dorsal Raphe Serotonergic Neurons: A Sensitive Target for Ethanol
Published in Neuropsychopharmacology (New York, N.Y.) (01-04-2014)“…Alcohol abuse is a significant medical and social problem. Several neurotransmitter systems are implicated in ethanol's actions, with certain receptors and ion…”
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Cryo-EM structure of the four-subunit Rhodobacter sphaeroides cytochrome bc1 complex in styrene maleic acid nanodiscs
Published in Proceedings of the National Academy of Sciences - PNAS (21-03-2023)“…Cytochrome bc1 complexes are ubiquinol:cytochrome c oxidoreductases, and as such, they are centrally important components of respiratory and photosynthetic…”
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Sulking behavior and the emergence of hurt feelings in young children
Published in Social development (Oxford, England) (01-05-2022)“…When do hurt feelings develop? The emotion of feeling hurt is vital for close relationships because it signals that one has been devalued illegitimately,…”
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Modelling of the cathodic and anodic photocurrents from Rhodobacter sphaeroides reaction centres immobilized on titanium dioxide
Published in Photosynthesis research (01-10-2018)“…As one of a number of new technologies for the harnessing of solar energy, there is interest in the development of photoelectrochemical cells based on reaction…”
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Plasmon-Enhanced Photocurrent of Photosynthetic Pigment Proteins on Nanoporous Silver
Published in Advanced functional materials (01-01-2016)“…In a quest to fabricate novel solar energy materials, the high quantum efficiency and long charge separated states of photosynthetic pigment‐proteins are being…”
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Cryo-EM structure of the spinach cytochrome b6 f complex at 3.6 Å resolution
Published in Nature (London) (21-11-2019)“…The cytochrome b 6 f (cyt b 6 f ) complex has a central role in oxygenic photosynthesis, linking electron transfer between photosystems I and II and…”
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