Results 51 to 60 of about 7,473,734 (378)

دراسة تعیین درجة حرارة حرق بعض الأوانی الفخاریة کأساس علمی لتشخیص مظاهرتلفها ( تل آثارالسمارة – عصرماقبل الأسرات - دراسة حالة ) [PDF]

open access: yesJournal of General Union of Arab Archaeologists, 2016
Firing temperature degree of some pottery has been determined from Tel al-samara in Dakahlia through their examination and analysis by polarized microscope "PLM", scanning electron microscope SEM,X-ray diffraction XRD and thermal analysis TGA where the ...
Dr.Walid Kamel Ali Elghareb
doaj   +1 more source

Oxidation and Reduction of tert-Butylnitrosoacetylene

open access: yesCHIMIA, 1975
Tert-butylnitrosoacetylene [I] can be oxidized to the corresponding nitroacetylene [II] in spite of the low temperature rearrangement of [I] to the isomeric pivaloylcyanide [III].
Jean-Claude Motte, H.G. Viehe
doaj   +1 more source

The epithelial barrier theory proposes a comprehensive explanation for the origins of allergic and other chronic noncommunicable diseases

open access: yesFEBS Letters, EarlyView.
Exposure to common noxious agents (1), including allergens, pollutants, and micro‐nanoplastics, can cause epithelial barrier damage (2) in our body's protective linings. This may trigger an immune response to our microbiome (3). The epithelial barrier theory explains how this process can lead to chronic noncommunicable diseases (4) affecting organs ...
Can Zeyneloglu   +17 more
wiley   +1 more source

The oxidation of ascorbic acid and its reduction in vitro and in vivo [PDF]

open access: yes, 1937
The outstanding chemical property of ascorbic acid (vitamin C) is that it is a reducing agent. The suggestion is obvious that its physiological function may be associated with this property, and, if it is oxidized reversibly, with its behavior in an ...
Borsook, Henry   +3 more
core  

The effect of hydrogen sulphide on ammonium bisulphite when used as an oxygen scavenger in aqueous solutions [PDF]

open access: yes, 2011
Peer ...
Akisanya, Alfred Rotimi   +3 more
core   +1 more source

From omics to AI—mapping the pathogenic pathways in type 2 diabetes

open access: yesFEBS Letters, EarlyView.
Integrating multi‐omics data with AI‐based modelling (unsupervised and supervised machine learning) identify optimal patient clusters, informing AI‐driven accurate risk stratification. Digital twins simulate individual trajectories in real time, guiding precision medicine by matching patients to targeted therapies.
Siobhán O'Sullivan   +2 more
wiley   +1 more source

Some of the oxidation-reduction properties of the chorionic gonadotropic hormone [PDF]

open access: yes, 1941
Gurin, Bachman, and Wilson (1-3) have recently made important contributions to our knowledge of the chemical nature of the gonadotropic hormone of pregnancy urine.
Bowman, Donald E.
core  

Redox transformations of iron at extremely low pH: fundamental and applied aspects

open access: yesFrontiers in Microbiology, 2012
Many different species of acidophilic prokaryotes, widely distributed within the domains Bacteria and Archaea, can catalyze the dissimilatory oxidation of ferrous iron or reduction of ferric iron, or can do both.
D. Barrie eJohnson   +2 more
doaj   +1 more source

Indirect Spectrophotometric Determination of Niclosamide in Pharmaceutical Preparations [PDF]

open access: yesمجلة التربية والعلم, 2018
A simple and sensitive indirect spectrophotometric method is developed for the determination of niclosamide in pharmaceutical preparations. The method is based on the oxidation of reduced form of niclosamide with iron ( III ) in acidic medium, then the ...
Nabeel S. Othman, Saad H. Sultan
doaj   +1 more source

Thermostable neutral metalloprotease from Geobacillus sp. EA1 does not share thermolysin's preference for substrates with leucine at the P1′ position

open access: yesFEBS Letters, EarlyView.
Knowing how proteases recognise preferred substrates facilitates matching proteases to applications. The S1′ pocket of protease EA1 directs cleavage to the N‐terminal side of hydrophobic residues, particularly leucine. The S1′ pocket of thermolysin differs from EA's at only one position (leucine in place of phenylalanine), which decreases cleavage ...
Grant R. Broomfield   +3 more
wiley   +1 more source

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