Results 1 to 10 of about 581,535 (297)

Active Sugar Accumulation and Water Status of Watermelon Fruit Grown under Different Nutrient Concentrations in Hydroponic Culture

open access: yesHortScience, 2023
We investigated sugar (solute) accumulation in watermelon [Citrullus lanatus (Thunb.) Matsum. et Nakai] fruits at the immature stage. Watermelon plants were grown hydroponically in a nutrient solution with an electric conductivity (EC) of 1.2 S⋅m−1 (EC 1.
Sentaro Tomiyama   +6 more
doaj   +1 more source

Regioselective synthesis of methyl 5-(N-Boc-cycloaminyl)-1,2-oxazole-4-carboxylates as new amino acid-like building blocks

open access: yesBeilstein Journal of Organic Chemistry, 2022
A convenient and efficient synthesis of novel achiral and chiral heterocyclic amino acid-like building blocks was developed. Regioisomeric methyl 5-(N-Boc-cycloaminyl)-1,2-oxazole-4-carboxylates were prepared by the reaction of β-enamino ketoesters ...
Jolita Bruzgulienė   +9 more
doaj   +1 more source

Updating the occurrence of crassulacean acid metabolism (CAM) in the genus Clusia through carbon isotope analysis of species from Colombia

open access: yesPhotosynthetica, 2022
Clusia is a widely distributed neotropical genus with 321 currently described species. This remarkable genus is the only one known to contain trees sensu stricto with CAM photosynthesis. To survey the occurrence of CAM in Clusia species from Colombia, we
P. PACHON, K. WINTER, E. LASSO
doaj   +1 more source

Elevated Tumor Lactate and Efflux in High-grade Prostate Cancer demonstrated by Hyperpolarized 13C Magnetic Resonance Spectroscopy of Prostate Tissue Slice Cultures. [PDF]

open access: yes, 2020
Non-invasive assessment of the biological aggressiveness of prostate cancer (PCa) is needed for men with localized disease. Hyperpolarized (HP) 13C magnetic resonance (MR) spectroscopy is a powerful approach to image metabolism, specifically the ...
Ahamed, Fayyaz   +12 more
core   +1 more source

HDL as Bidirectional Lipid Vectors: Time for New Paradigms

open access: yesBiomedicines, 2022
The anti-atherogenic properties of high-density lipoproteins (HDL) have been explained mainly by reverse cholesterol transport (RCT) from peripheral tissues to the liver.
María Luna-Luna   +2 more
doaj   +1 more source

Low 13C-13C abundances in abiotic ethane

open access: yesNature Communications, 2022
Distinguishing biotic compounds from abiotic ones is critical to the search for life in the universe. Here, the authors demonstrate that the abiotic ethane has distinctively low 13C-13C abundances compared to biotic ethane.
Koudai Taguchi   +7 more
doaj   +1 more source

Multi-parametric hyperpolarized 13C/1H imaging reveals Warburg-related metabolic dysfunction and associated regional heterogeneity in high-grade human gliomas

open access: yesNeuroImage: Clinical, 2023
Background: Dynamic hyperpolarized (HP)-13C MRI has enabled real-time, non-invasive assessment of Warburg-related metabolic dysregulation in glioma using a [1-13C]pyruvate tracer that undergoes conversion to [1-13C]lactate and [13C]bicarbonate.
Adam W. Autry   +15 more
doaj   +1 more source

Systemic availability and metabolism of colonic-derived short-chain fatty acids in healthy subjects: a stable isotope study [PDF]

open access: yes, 2016
The short-chain fatty acids (SCFAs), acetate, propionate and butyrate, are bacterial metabolites that mediate the interaction between the diet, the microbiota and the host.
Annaert, Pieter   +12 more
core   +1 more source

Can 13C stable isotope record of Norway spruce tree rings display the effect of environmental conditions?

open access: yesJournal of Forest Science, 2008
The Bohemian Forest Mts. (Šumava) were exposed to heavy atmospheric pollution in the last century. A possible negative effect of atmospheric pollution on tree physiology has been studied using the isotopic composition, Δ13C, of tree rings.
L. Píšová   +3 more
doaj   +1 more source

Carbon nutrition of mature green orchid Serapias strictiflora and its mycorrhizal fungus Epulorhiza sp.

open access: yesBiologia Plantarum, 2010
We studied the nutritional modes of the orchid Serapias strictiflora and its mycorrhizal fungus Epulorhiza sp. using the differences in carbon isotopic composition (δ13C) of C3 orchid and C4 maize tissues. We found that if cultivated in substrate lacking
K. Látalová, M. Baláž
doaj   +1 more source

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