Search Results - "Kee, Terence P"
-
1
Archean phosphorus liberation induced by iron redox geochemistry
Published in Nature communications (09-04-2018)“…The element phosphorus (P) is central to ecosystem growth and is proposed to be a limiting nutrient for life. The Archean ocean may have been strongly…”
Get full text
Journal Article -
2
Phosphorus: a Case for Mineral-Organic Reactions in Prebiotic Chemistry
Published in Origins of life and evolution of biospheres (01-06-2015)“…The ubiquity of phosphorus (P) in modern biochemistry suggests that P may have participated in prebiotic chemistry prior to the emergence of life. Of the major…”
Get full text
Journal Article -
3
Production of Potentially Prebiotic Condensed Phosphates by Phosphorus Redox Chemistry
Published in Angewandte Chemie (International ed.) (29-09-2008)“…Bringing phosphorus to life: The prebiotic origin of key biomolecules such as RNA and ATP is contingent on a source of condensed phosphates, such as…”
Get full text
Journal Article -
4
Direct evidence for the availability of reactive, water soluble phosphorus on the early Earth. H-phosphinic acid from the Nantan meteorite
Published in Chemical communications (Cambridge, England) (01-01-2006)“…Anoxic irradiation of a type IIICD iron meteorite known to contain the phosphide mineral schreibersite (Fe,Ni)3P in the presence of ethanol/water affords the…”
Get more information
Journal Article -
5
Hydrothermal modification of the Sikhote-Alin iron meteorite under low pH geothermal environments. A plausibly prebiotic route to activated phosphorus on the early Earth
Published in Geochimica et cosmochimica acta (15-05-2013)“…The Sikhote-Alin (SA) meteorite is an example of a type IIAB octahedrite iron meteorite with ca. 0.5wt% phosphorus (P) content principally in the form of the…”
Get full text
Journal Article -
6
Potential Role of Inorganic Confined Environments in Prebiotic Phosphorylation
Published in Life (Basel, Switzerland) (05-03-2018)“…A concise outlook on the potential role of confinement in phosphorylation and phosphate condensation pertaining to prebiotic chemistry is presented. Inorganic…”
Get full text
Journal Article -
7
Selective Phosphonylation of 5′-Adenosine Monophosphate (5′-AMP) via Pyrophosphite [PPi(III)]
Published in Origins of life and evolution of biospheres (01-11-2016)“…We describe here experiments which demonstrate the selective phospho-transfer from a plausibly prebiotic condensed phosphorus (P) salt, pyrophosphite [H 2 P 2…”
Get full text
Journal Article -
8
Chemical Transformations in Proto-Cytoplasmic Media. Phosphorus Coupling in the Silica Hydrogel Phase
Published in Life (Basel, Switzerland) (19-11-2017)“…It has been proposed that prebiotic chemical studies on the emergence of primitive life would be most relevant when performed in a hydrogel, rather than an…”
Get full text
Journal Article -
9
On the prebiotic potential of reduced oxidation state phosphorus: the H-phosphinate-pyruvate system
Published in Chemical communications (Cambridge, England) (01-01-2010)“…H-Phosphinic acid and pyruvic acid, both plausible prebiotic chemicals, react selectively in water to build structural complexity including amide bond…”
Get more information
Journal Article -
10
Geochemical Sources and Availability of Amidophosphates on the Early Earth
Published in Angewandte Chemie International Edition (11-06-2019)“…Phosphorylation of (pre)biotically relevant molecules in aqueous medium has recently been demonstrated using water‐soluble diamidophosphate (DAP). Questions…”
Get full text
Journal Article -
11
Phosphate Activation via Reduced Oxidation State Phosphorus (P). Mild Routes to Condensed-P Energy Currency Molecules
Published in Life (Basel, Switzerland) (19-07-2013)“…The emergence of mechanisms for phosphorylating organic and inorganic molecules is a key step en route to the earliest living systems. At the heart of all…”
Get full text
Journal Article -
12
Multiplication of microbes below 0.690 water activity: implications for terrestrial and extraterrestrial life
Published in Applied and environmental microbiology (01-02-2015)“…Summary Since a key requirement of known life forms is available water (water activity; aw), recent searches for signatures of past life in terrestrial and…”
Get full text
Journal Article -
13
Laboratory experiments on the weathering of iron meteorites and carbonaceous chondrites by iron-oxidizing bacteria
Published in Meteoritics & planetary science (01-02-2009)“…— Batch culture experiments were performed to investigate the weathering of meteoritic material by iron‐oxidizing bacteria. The aerobic, acidophilic iron…”
Get full text
Journal Article -
14
Phospho-Aldol Catalysis via Chiral Schiff Base Complexes of Aluminum
Published in Organometallics (30-10-2000)“…Chiral complexes of aluminum containing the salcyen ligand framework, [(R,R)-salcyen]AlX (X = Me, OSiMe2 tBu), catalyze the asymmetric addition of…”
Get full text
Journal Article -
15
Incorporation of the V-ATPase inhibitors concanamycin and indole pentadiene in lipid membranes. Spin-label EPR studies
Published in Biochimica et biophysica acta (27-05-2004)“…The incorporation of concanamycin A, a potent inhibitor of vacuolar ATPases, into membranes of dimyristoyl phosphatidylcholine has been studied by using EPR of…”
Get full text
Journal Article -
16
The fuel cell model of abiogenesis: a new approach to origin-of-life simulations
Published in Astrobiology (01-03-2014)“…In this paper, we discuss how prebiotic geo-electrochemical systems can be modeled as a fuel cell and how laboratory simulations of the origin of life in…”
Get more information
Journal Article -
17
Geochemical Sources and Availability of Amidophosphates on the Early Earth
Published in Angewandte Chemie (11-06-2019)“…Phosphorylation of (pre)biotically relevant molecules in aqueous medium has recently been demonstrated using water‐soluble diamidophosphate (DAP). Questions…”
Get full text
Journal Article -
18
Rapid Raman mapping of a fulgurite
Published in Analytical and bioanalytical chemistry (01-08-2010)“…A fulgurite is a naturally occurring glass formed when lightning hits sand, rock, or soil. The formation of fulgurites is accompanied by mineralogical and…”
Get full text
Journal Article -
19
On the para-selective chlorination of ortho-cresol
Published in Tetrahedron (30-09-2002)“…Merrifield-bound o-cresol undergoes electrophilic aromatic chlorination using SO 2Cl 2 leading to para/ ortho ratios in excess of 50, the highest such ratio…”
Get full text
Journal Article -
20
A Raman spectroscopic study of a fulgurite
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (13-07-2010)“…A Raman microspectroscopic study of several fulgurites has been undertaken. A fulgurite is an amorphous mineraloid, a superheated glassy solid that is formed…”
Get full text
Journal Article