Chemical composition

The present study was aimed at the determination of microscopic characteristics and chemical compositions as well as evaluating the antioxidant and acetylcholinesterase inhibitory activities of A. vietnamica.

8p viharuno 03-01-2025 2 2   Download

INTRODUCTION Contrary to popular belief, pharmacy is not limited to counting and dispensing pills. Pharmacy is a rewarding profession in the health care system that involves working closely with doctors and patients. No matter what health field you step into, there will always be a need for pharmacists. They provide their expertise on the composition, use, and manufacturing of a drug, as well as its physiological and chemical interactions. Pharmacy offers flexible work schedules, a broad spectrum of opportunities, direct patient contact, and top salaries right out of college!...

30p mailan1977 29-03-2013 141 18   Download

The current study first describes the chemical composition of the leaf essential oil of Cinnamomum subpenninervium Kosterm. ex H.H. Pham collected from Nghe An province, Central Vietnam.

7p vibenya 31-12-2024 2 2   Download

Is a branch of polymer science dealing with analysis and characterisation of polymers. üThe complication of macromolecular chains, the dispersion in molecular weight, tacticity, crystallinity, orientation, composition of polymers etc. and complex morphological systems ⇒ analysis of polymer ≠ the small organic materials ⇒ Focus on viscoelastic properties, dynamic mechanical testing.

114p buitiendung87 06-01-2011 343 154   Download

The present study aimed to determine the chemical compositions and anti-acetylcholinesterase, nitric oxide suppressing activities of Piper longum fruits oil collected from Binh Dinh, Vietnam.

8p viprimi 16-12-2024 2 1   Download

"Standard Specification for Ferromanganese" covers ten grades of ferromanganese, designated as follows: Standard ferromanganese, Medium-carbon ferromanganese, Low-carbon ferromanganese. The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

3p hth_hn_vn 10-12-2023 5 3   Download

The objectives of the thesis: Determine the chemical composition of three soft coral species S. nanolobata, S. conferta, S. leptoclados collected in the central sea of Vietnam; đetecting active substances with cytotoxic activity in soft corals studied, orienting their application for biomedical and pharmacological studies.

26p closefriend09 16-11-2021 15 4   Download

Researching objectives: Describing some biological characteristics and distribution of Zingiber and Hedychium species from north-central Vietnam; determining the essential oil chemical composition; antimicrobial and antimosquito larvae activities of essential oils of some Zingiber and Hedychium species from north-central Vietnam.

27p beloveinhouse01 15-08-2021 33 5   Download

The objectives of the thesis: Study on chemical composition of Paramignya trimera and Morinda longissima species. Evaluation of hepatoprotective and anti-HBV activities of extracts and pure compounds from stems and roots of Xao tam phan (Paramignya trimera (Oliv.) Guill.) and Nho dong (Morinda longissima Y.Z. Ruan).

22p extraenglish 24-05-2021 36 3   Download

The objectives of the thesis: The objectives of this study are to investigate the main chemical compositions of Euphorbia hirta L. to search for chemical constituents in relation to biological activities, contributing to further studies to create products for application in the aquarculture industry in particular and for life in general.

31p extraenglish 24-05-2021 36 3   Download

The aim of the thesis: Study on chemical composition of starfish Acanthaster planci of Vietnam, synthesizing hydroxyl and oxime derivatives from a steroid isolated from this starfish and assessing biological activity of isolated and synthesized compounds.

26p extraenglish 24-05-2021 24 4   Download

The research objectives of the thesis: Isolate and determine the chemical structure of compounds from C. candicans and C. macrophylla species collected in Vietnam. Assessment of toxic activity on some cancer cell lines: liver (Hep-G2), lung (Lu-1) and breast (MCF-7) of isolated clean compounds. Researching the chemical composition of C. candicans and C. macrophylla essential oils

29p extraenglish 24-05-2021 19 4   Download

The research objectives of the thesis: Research to isolate, determine chemical structure and probe the biological activity of chemical components in apple and Docynia indica fruits; Research to optimize the extraction technology process to create products from Docynia indica fruits

27p extraenglish 24-05-2021 29 4   Download

The study clarified the main chemical composition of the roots of F. multiflora. Studying and developing a process of qualitative and quantitative analysis of several active ingredients at the same time. Application of analytical procedure has established and evaluated the content of active ingredients in some F. multiflora medicinal samples. The research results are obtained as a scientific basis for further studies.

23p extraenglish 24-05-2021 28 2   Download

Objectives: Assess the diversity of essential oil-bearing plants and the chemical composition of essential oils extracted from some oil-bearing species in Vu Quang National Park, Ha Tinh province

28p prisonbreak123 21-05-2021 26 3   Download

The objective of the research is to evaluate combination ability of nano additive with carbon black reinforced for rubber and rubber blend; create rubber nanocomposite materials with a high quality, solvent durability and sustainability in the naturally humid environment.

27p capheviahe27 23-02-2021 27 3   Download

The objectives of this study are to investigate the main chemical compositions of Euphorbia hirta L. to search for chemical constituents in relation to biological activities, contributing to further studies to create products for application in the aquarculture industry in particular and for life in general.

31p capheviahe27 23-02-2021 28 4   Download

Research to isolate, determine chemical structure and probe the biological activity of chemical components in apple and Docynia indica fruits; Research to optimize the extraction technology process to create products from Docynia indica fruits.

27p capheviahe27 23-02-2021 47 4   Download

Research purposes of the dissertation: Studying on Dalbergia tonkinensis Prain systematicly and fully about: plants (microsurgery, gene sequences), chemical compositions and biological activity.

27p capheviahe27 23-02-2021 18 3   Download

The meaning of the dissertation topic: This research contributes to complete the list and evaluate the diversity of medicinal plants in the coastal districts of Thai Binh province to serve local medical needs.

30p capheviahe27 23-02-2021 36 3   Download