Results 11 to 20 of about 1,475,907 (268)

Allicin and Digestive System Cancers: From Chemical Structure to Its Therapeutic Opportunities

open access: yesFrontiers in Oncology, 2021
Digestive system cancer tumors are one of the major causes of cancer-related fatalities; the vast majority of them are colorectal or gastric malignancies. Epidemiological evidence confirmed that allium-containing food, such as garlic, reduces the risk of
Mahshad Sarvizadeh   +13 more
doaj   +1 more source

Structure and Properties of Biodegradable Poly (Xylitol Sebacate-Co-Butylene Sebacate) Copolyester

open access: yesMolecules, 2020
In this work, a bio-based copolyester with good mechanical properties was synthesized and characterized in terms of structure, main properties and biodegradability Determining the chemical structure of such materials is important to understand their ...
Marta Piątek-Hnat   +2 more
doaj   +1 more source

Chemical composition of sea buckthorn (Hippophae rhamnoides L.) berry grown in the Chelyabinsk region

open access: yesVestnik MGTU, 2021
The most important phytonutrients of sea buckthorn (Hippophae rhamnoides L.) berry are carotenoids, flavonoids, anthocyanins, sugars, organic and amino acids, water and fat-soluble vitamins, tannins and pectin substances, phospholipids, macro- and ...
Naumova N. L.
doaj   +1 more source

Multiscale Understanding of Covalently Fixed Sulfur–Polyacrylonitrile Composite as Advanced Cathode for Metal–Sulfur Batteries

open access: yesAdvanced Science, 2021
Metal–sulfur batteries (MSBs) provide high specific capacity due to the reversible redox mechanism based on conversion reaction that makes this battery a more promising candidate for next‐generation energy storage systems.
Mohammad Shamsuddin Ahmed   +8 more
doaj   +1 more source

The chemical structure of pemptoporphyrin [PDF]

open access: yesBiochemical Journal, 1965
1. Pemptoporphyrin dimethyl ester was further purified on an alumina column and then crystallized from chloroform and methanol with melting point 215-218 degrees . The absorption spectra in the visible and ultraviolet with molar extinction coefficients are presented. 2.
S Sano, T Shingu, JM French, E Thonger
openaire   +3 more sources

CHEMICAL STRUCTURE OF STREPTOTHRICINS

open access: yesThe Journal of Antibiotics, 1972
The general formula, proposed earlier for the natural streptothricins E, D, C, B, A and for the biosynthetic streptothricin X was shown to be valid. 1. The presence of a common moiety in streptothricins F, E, D, C, B and A was demonstrated by isolation of N-guan-streptolidyl gulosaminide from preparations of all these antibiotics. 2.
A S, Khokhlov, K I, Shutova
openaire   +3 more sources

Prediction Model of Aryl Hydrocarbon Receptor Activation by a Novel QSAR Approach, DeepSnap–Deep Learning

open access: yesMolecules, 2020
The aryl hydrocarbon receptor (AhR) is a ligand-dependent transcription factor that senses environmental exogenous and endogenous ligands or xenobiotic chemicals.
Yasunari Matsuzaka   +4 more
doaj   +1 more source

A Comprehensive Review of the Structure Elucidation and Biological Activity of Triterpenoids from Ganoderma spp.

open access: yesMolecules, 2014
Ganoderma triterpenes (GTs) are the major secondary metabolites of Ganoderma lucidum, a traditional Chinese medicine, popularly used for complementary cancer therapy. GTs are lanostane-tetracyclic triterpenes.
Qing Xia   +11 more
doaj   +1 more source

NONEXPERIMENTAL SCREENING OF THE WATER SOLUBILITY, LIPOPHILICITY, BIOAVAILABILITY, MUTAGENICITY AND TOXICITY OF VARIOUS PESTICIDES WITH QSAR MODELS AID [PDF]

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2013
In our study the dataset containing 489 pesticides and their active substances of different classes of organic compounds was used for analysis. For compounds of analyzed dataset the values of lipophilicity, water solubility, toxicity, bioavailability and
O.G. Kolumbin   +7 more
doaj  

Structural Features of Lignin Fractionated From Industrial Furfural Residue Using Alkaline Cooking Technology and Its Antioxidant Performance

open access: yesFrontiers in Energy Research, 2020
Furfural, a versatile platform compound, is produced from the hydrolysis of pentose (hemicellulose) in lignocellulosic biomass. The manufacturing of furfural results in the production and accumulation of cellulose- and lignin-rich furfural residue ...
Rui Li   +6 more
doaj   +1 more source

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