Results 71 to 80 of about 13,491,833 (407)

Determination of water content using mass spectrometry [PDF]

open access: yes, 1975
Mass spectrometer is used to measure small quantities of water present in different materials. System has been applied in measuring water and gases desorbed from microcircuitry insulation, can also be used with foods, polymeric materials, and organic ...
Hughes, D. B.   +2 more
core   +1 more source

Elucidation of interface interactions between a dehydratase domain and an acyl carrier protein in cremimycin polyketide synthase

open access: yesFEBS Letters, EarlyView.
In modular polyketide synthases, the dehydratase (DH) domain catalyzes the dehydration reaction of the β‐hydroxyacyl unit attached to the cognate acyl carrier protein (ACP) domain. However, it is unclear how DH interacts with ACP during the reaction. In this study, we identified DH–ACP interface residues, providing the first detailed insights into DH ...
Kaede Kotagiri   +8 more
wiley   +1 more source

Functional variation among LPMOs revealed by the inhibitory effects of cyanide and buffer ions

open access: yesFEBS Letters, EarlyView.
This study addresses the inhibition of lytic polysaccharide monooxygenases (LPMOs) by cyanide and explains how and why the magnitude of observed inhibitory effects depends on the way LPMO reactions are setup and on the type of LPMO. Enzymes known as lytic polysaccharide monooxygenases (LPMOs) are mono‐copper polysaccharide‐degrading peroxygenases that ...
Ole Golten   +10 more
wiley   +1 more source

Asynchronous dynamics of grapevine ("Vitis vinifera") maturation: experimental study for a modelling approach

open access: yesOENO One, 2009
Aims: An analysis of the asynchrony and dynamics of dry matter accumulation and water content in the grape berries growth period (Vitis vinifera L.) was carried out on a macroscopic scale (berry population).
Iñaki García de Cortázar-Atauri   +4 more
doaj   +1 more source

Evolution of the Stomatal Regulation of Plant Water Content[OPEN]

open access: yesPlant Physiology, 2017
Changes in the function of stomata from the earliest bryophytes to derived angiosperms are examined.
T. Brodribb, S. McAdam
semanticscholar   +1 more source

Insertion of the FeB cofactor in cNORs lacking metal inserting chaperones

open access: yesFEBS Letters, EarlyView.
Nitric oxide reductase is an enzyme found in the bacterial denitrification pathway. The NOR active site contains a non‐heme iron, often, but not always inserted with the assistance of chaperones. Here, we study the insertion of FeB in the subfamily of cNORs lacking chaperones and found a putative channel, conserved in the family, perhaps enabling the ...
Sofia Appelgren, Pia Ädelroth
wiley   +1 more source

A calculation method of available soil water content : application to viticultural terroirs mapping of the Loire valley

open access: yesOENO One, 2004
Vine water supply is one of the most important elements in the determination of grape composition and wine quality. Water supply conditions are in relation with available soil water content, therefore this one has to be determined when vineyard terroir ...
Etienne Goulet   +3 more
doaj   +1 more source

OBSERVATIONS ON THE WATER CONTENT OF BONE [PDF]

open access: yesThe Journal of Bone and Joint Surgery. British volume, 1964
1. A method is described by which the relative water contents of adjacent microscopic regions of bone can be assessed. 2. The water content is correlated with the inorganic and organic contents in regions of different age. 3. The results suggest that the age increase in the mineralisation of bone occurs at the expense of both the organic and water ...
openaire   +3 more sources

The dynamics of embolism refilling in abscisic acid (ABA)-deficient tomato plants. [PDF]

open access: yes, 2012
Plants are in danger of embolism formation in xylem vessels when the balance between water transport capacity and transpirational demand is compromised.
Chitarra, Walter   +5 more
core   +2 more sources

Structural and mechanistic basis for the regulation of the chloroplast signal recognition particle by (p)ppGpp

open access: yesFEBS Letters, EarlyView.
LHCPs are transported to the thylakoid membrane via the (cp)SRP pathway. This process involves a transit complex of (cp)SRP43, (cp)SRP54 and LHCP, which interacts with (cp)FtsY and Alb3 at the membrane. GTP hydrolysis by (cp)SRP54 and (cp)FtsY triggers complex dissociation.
Victor Zegarra   +7 more
wiley   +1 more source

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