Chemical types

Sarcosperma, which belongs to the Sapotaceae family, is composed of 11 species distributed in Asia, five of which are found in Viet Nam. As a result, in a recent paper, we reported on the isolation of two new compounds, sarcokontums A and B, from the stems and leaves of this plant.

10p viamancio 04-06-2024 1 0   Download

The book provides comprehensive overviews on the diversity of biosurfactant-producing microorganisms and types of biosurfactant molecules that are made. Also, the book includes a state-of-the-art discussion on the use of alternative substrates and fermentation approaches for biosurfactant production.

361p vimeyers 29-05-2024 3 2   Download

The GLP regulations have developed from rules on how to exactly document the planning, conduct and reporting of toxicity studies to a quality system for the management of a multitude of study types, from the simple determination of a physical/chemical parameter to the most complex field tests or ecotoxicology studies. At the same time the term "Good Laboratory Practice" has become somewhat of a slogan with the aim to characterise any reliably conducted laboratory work.

432p vimeyers 29-05-2024 5 2   Download

Among all types of DNA damage, DNA double-strand breaks (DSBs) are considered the most deleterious form induced by either endogenous factors (oxi-dative damages, mismatches, altered chromatin structures, and missing, or modified nucleotides) or exogenous factors, i.e., ultraviolet (UV) radiation, ionizing radiation (IR), and chemicals or drugs. This study aimed: To evaluate the effect of DNAPKi NU7441 on the HCT116 cell line.

11p vijaychest 16-05-2024 3 1   Download

Alternating copolymers (ACs) contain two distinct monomeric unit types dispersed in alternating order of hydrophilic block and hydrophobic block. ACs have extensive and versatile applications in both academia and industry, especially in drug delivery systems (DDS) due to their unique physical and chemical properties. In the present research, poly(β-benzyl l-aspartate) (PBLA) was prepared by ring-opening polymerization of BLA-NCA. The result obtained from GPC showed that PBLA was successfully synthesized with narrow weight distribution Mw/Mn = 1.055. T

7p dianmotminh02 03-05-2024 2 1   Download

The role of complex surface defect on the magnet at the (110) surface of bismuth sodium titanate (Bi0.5Na0.5TiO3) was discussed based on the first-principles calculation. The first-principle calculations for various types of surface defects exhibited the existence of magnetic moments for selected chemical and position defects.

15p dianmotminh02 03-05-2024 3 2   Download

Ebook "Gel chemistry: Interactions, structures and properties" covers various molecular, metal-organic, dynamic covalent, polymer and other gels, focusing on their driving interactions, structures and properties. It consists of six chapters demonstrating interesting examples of these gels, classified by the type of driving interaction, and also discusses the effect of these interactions on the gels’ structures and properties. The book offers an interesting and useful guide for a broad readership in various fields of chemical and materials science.

217p tracanhphuonghoa1007 22-04-2024 2 2   Download

Ebook "The chemical reactor from laboratory to industrial plant: A modern approach to chemical reaction engineering with different case histories and exercises" written by a former lecturer, addresses industrial chemical reaction topics, focusing on the commercial-scale exploitation of chemical reactions. It introduces students to the concepts behind the successful design and operation of chemical reactors, with an emphasis on qualitative arguments, simple design methods, graphical procedures, and frequent comparison of capabilities of the major reactor types.

574p tracanhphuonghoa1007 22-04-2024 5 2   Download

Ebook "Chemical evolution of nitrogen-based compounds in mozzarella cheeses" summarizes how the presence of amines is influenced by different factors such as cheese variety, seasoning and microflora. The authors compare typical profiles of different products, e.g. ripe vs. unripe cheeses, focusing also on the different types of mozzarella cheeses. The Brief also introduces several analytical methods and simulation techniques, which are being used to evaluate the evolutive profiles of different selected molecules, protein aggregation, or proteolysis.

48p tracanhphuonghoa1007 22-04-2024 3 2   Download

Ebook "Production management of chemical industries" covers all major areas of operation, pollution control, safety, modernization, diversification, and resource management for cost control in the industrial production of chemicals. The author details the importance of obtaining the right type of raw materials and equipment for maximum plant efficiency and discusses revival of plants that have been idle for long periods.

370p tracanhphuonghoa1007 22-04-2024 9 4   Download

This study aims to evaluate the effect of fire on soil properties at Zone A5, Tram Chim National Park, Tam Nong district, Dong Thap province. Findings indicated that soil type was acid sulfate, soil structures were clay, clay-silt and silt-clay. pH was low while moisture was high. Electrical conductivity and bulk density were in the tolerance range for the Eleocharis community.

9p viohoyo 25-04-2024 5 2   Download

Part 2 book "Chemical, biochemical, and engineering thermodynamics" by Stanley I.Sandler includes content: Vapor liquid equilibrium in mixtures; other types of phase equilibria in fluid mixtures; mixture phase equilibria involving solids; chemical equilibrium; the balance equations for chemical reactors, availability and electrochemistry; some additional biochemical applications of thermodynamics;... and other contents.

464p muasambanhan10 03-04-2024 3 0   Download

Ebook "Foodinformatics: Applications of chemical information to food chemistry" explosion in the generation of information parallels the explosion of computational resources. The use of computers to collect, store and manipulate chemical information is at the heart of chemoinformatics. These methodologies, whose main target thus far has been the pharmaceutical field, are general and can be applied to other types of chemical data sets, such as those containing food chemicals.

258p tudohanhtau1006 29-03-2024 5 1   Download

Ebook "Hydrolysis, oxidation and reduction (Catalysts for fine chemical synthesis, Volume 1)" to be a practical help for advanced undergraduate, graduate and postgraduate students, as well as experienced chemists in industry and academia working in organic and organometallic synthesis. The procedure section contains a wide variety of synthetic protocols, such as epoxidations of unsaturated ketones and esters, asymmetric reductions of carbon-oxygen double bonds, asymmetric hydrogenations of carbon-carbon double bonds and other types of reaction.

235p coduathanh1122 27-03-2024 5 1   Download

By analyzing some soil chemical properties such as: SOC content, macronutrients, ion mobilized Fe, this paper will focus on: (1) description of soil chemical properties at different soil horizons under two forest types; (2) analyzing differences of those soil properties and (3) analyzing the correlation between investigated soil parameters in Kon Ka Kinh National Park, Central Highlands, Vietnam.

10p visergey 14-03-2024 2 1   Download

Part 1 book "Chemical engineering of polymers - Production of functional and flexible materials" includes content: Copolymerization of aniline P-phenylenediamine in an acetic acid medium; free radical frontal polymerization of acrylamide in the presence of nano and micro additives; influence of ph on the structuring of zetag 9014® type of cationic polymers; aromatic azides and pentazenes in multistep radical polymerization; synthesis and adsorption properties of 4 aminostyrene and methacrylic acid copolymer, immobilized in situ on silica surface;... and other contents.

237p muasambanhan09 16-03-2024 4 1   Download

Part 2 book "Chemical engineering of polymers - Production of functional and flexible materials" includes content: Study of temperature dependence of specific resistance of nickel tungsten coating on copper; topology of formation of latexes in heterogeneous static monomer water systems; synthesis and research of some phtalocyaninic dyes with Cu, Zn for testing in the systems of solar cells type; polymeric recording media based on carbazole containing copolymers and benzoxyphthalocyanines of transition metalsnment,... and other contents.

246p muasambanhan09 16-03-2024 1 1   Download

Part 2 book "Computational flow modeling for chemical reactor engineering" includes content: Computational tools for simulating flow processes, flow modeling for reactor engineering, stirred reactors, bubble column reactors, epilogue, fixed bed and other types of reactors, fluidized bed reactors.

224p muasambanhan09 16-03-2024 10 2   Download

Ebook "The chemistry of zirconacycles and 2,6-diazasemibullvalenes: Synthesis, structures, reactions, and applications in the synthesis of novel N-heterocycles" introduces two strategies used to construct various types of N-heterocycles, based on the chemistry of zirconacycles and 2,6-diazasemibullvalenes. In the first part, the author presents the development of multi-component cyclization of a zirconacyclobutene-silacyclobutene fused compound, nitriles and unsaturated compounds.

182p manmanthanhla0201 26-02-2024 11 1   Download

Ebook "Green solvents I: Properties and applications in chemistry" provides a throughout overview of the different types of solvents and discusses their extensive applications in fields such as extraction, organic synthesis, biocatalytic processes, production of fine chemicals, removal of hydrogen sulphide, biochemical transformations, composite material, energy storage devices and polymers.

440p nhanphanguyet 28-01-2024 4 2   Download