Results 91 to 100 of about 5,016,109 (334)

Fat metabolism in higher plants: XIII. phosphatidic acid synthesis and diglyceride phosphokinase activity in mitochondria from peanut cotyledons*

open access: yesJournal of Lipid Research, 1960
A phosphatidic acid is the major lipid to become labeled when Pi32 (inorganic orthophosphate labeled with P32), under conditions of oxidative phosphorylation, or ATP32 is fed to mito-choline and phosphatidylethanolamine in the mitochondria obtained a ...
Clive Bradbeer, P.K. Stumpf
doaj  

Geometric-algebraic approach to aqueous solutions of diprotic acids and its buffer mixtures [PDF]

open access: yesarXiv, 2023
A closed-form analytical expression for $\ce{[H3O+]}$ has been obtained for aqueous solutions of diprotic acids and its soluble salts. This formula allows to calculate the pH of aqueous solutions of diprotic acids, their buffer solutions, and the titrations of these two by a strong base, from the values of p$K_1$, p$K_2$, and the effective ...
arxiv  

A Role for Phosphatidic Acid in the Formation of “Supersized” Lipid Droplets

open access: yesPLoS Genetics, 2011
Lipid droplets (LDs) are important cellular organelles that govern the storage and turnover of lipids. Little is known about how the size of LDs is controlled, although LDs of diverse sizes have been observed in different tissues and under different ...
Weihua Fei   +14 more
semanticscholar   +1 more source

Phosphatidic acid, phospholipase D and tumorigenesis

open access: yesAdvances in Biological Regulation, 2014
Phospholipase D (PLD) is a membrane protein with a double role: maintenance of the structural integrity of cellular or intracellular membranes and involvement in cell signaling through the product of the catalytic reaction, PA, and through protein-protein interaction with a variety of partners.
openaire   +3 more sources

Chinese herbal medicine‐derived extracellular vesicle‐like particles: Therapeutic potential and future research approaches

open access: yesInterdisciplinary Medicine, EarlyView.
This article evaluates the therapeutic potential of extracellular vesicle‐like particles derived from Chinese herbal medicine (CHM‐EVLP) for a range of diseases. It underscores the significance of traditional Chinese medicine in the development of innovative formulations.
Ying‐qi Cao   +6 more
wiley   +1 more source

Large presence of carbonic acid in CO$_2$-rich aqueous fluids under Earth's mantle conditions [PDF]

open access: yesJournal of Physical Chemistry Letters 10, 5135-5141 (2019), 2019
The chemistry of carbon in aqueous fluids at extreme pressure and temperature conditions is of great importance to Earth's deep carbon cycle, which substantially affects the carbon budget at Earth's surface and global climate change. At ambient conditions, the concentration of carbonic acid in water is negligible, so aqueous carbonic acid was simply ...
arxiv   +1 more source

The Phosphatidic Acid Binding Site of the Arabidopsis Trigalactosyldiacylglycerol 4 (TGD4) Protein Required for Lipid Import into Chloroplasts*

open access: yesJournal of Biological Chemistry, 2013
Background: The phosphatidic acid (PtdOH) binding site of TGD4 is not yet known. Results: Amino acids 1–80 and 110–145 of TGD4 represent two PtdOH interacting sequences and TGD4 forms a homodimer in vitro and in vivo.
Zhen Wang   +2 more
semanticscholar   +1 more source

Preferential affinity of calcium ions to charged phosphatidic-acid surface from a mixed calcium/barium solution: X-ray reflectivity and fluorescence studies [PDF]

open access: yesLangmuir 25, 1068-1073 (2009), 2009
X-ray reflectivity and fluorescence near total reflection experiments were performed to examine the affinities of divalent ions ($\mathrm{Ca^{2+}}$ and $\mathrm{Ba^{2+}}$) from aqueous solution to a charged phosphatidic-acid (PA) surface. A phospholipid (1,2-Dimyristoyl-sn-Glycero-3-Phosphate, DMPA), spread as a monolayer at the air/water interface ...
arxiv  

Carbon Doping of MgB2 by Toluene and Malic-Acid-in-Toluene [PDF]

open access: yes, 2010
The decomposition of malic acid in the presence of Mg and B was studied using Differential Scanning Calorimetry (DSC) and Thermogravimetric Analysis (TGA) which revealed that malic acid reacted with Mg but not B. Also, the addition of toluene to dissolve malic acid followed by subsequent drying resulted in no reaction with Mg, indicating that the malic
arxiv   +1 more source

Lipid signalling in plant responses to abiotic stress.

open access: yesPlant, Cell and Environment, 2016
Lipids are one of the major components of biological membranes including the plasma membrane, which is the interface between the cell and the environment.
Quancan Hou, Guido Ufer, D. Bartels
semanticscholar   +1 more source

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