Doctoral thesis summary of Chemistry

The objectives of the thesis: Isolation and determination of chemical structures of the isolated compounds from the leaves of Excoecaria agallocha L. and Excoecaria cochinchinensis Lour.; studied the cytotoxic, anti-inflammatory, and antimicrobial activities of the isolated compounds to find the bioactive compounds.

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Study on main chemical constituents of two Gymnema species including Gymnema sylvestre and Gymnema latifolium growing in Vietnam and evaluate the inhibitory effect of α-glucosidase and α-amylase enzymes of isolated compounds.

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The purpose of the thesis research: Synthesis of new complexes of platinum and rare-earth elements containing quinoline's derivatives that are resistant to cancer cells, high antimicrobial activity or good fluorescence.

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The purpose of the research: Research on designing and implementing teaching topic-based integrated subjects accordance with Kolb‟s experience models on non-metallic chemistry with topics to develop the students‟ collaborative problem solving competence, thereby contributing to innovating teaching methods and improving the quality of teaching chemistry in high schools according to the orientation of developing students' capacity.

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Study objectives: Study and propose the measures to develop the competence in teaching the experimental for pedagogical chemistry student to increasing the teaching competence and increasing the quality of training chemistry teachers of universities.

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Objectives of the dissertation: Research on the degradation process of PE films containing prooxidant additives and recycled polyethylene. After that, preparing plant polybags with different time of degradation.

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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).

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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.

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Objectives of the dissertation: Research and synthesize and determine the hybrid compound structure containing Quinazoline frame. Research on carcinogenic activity and inhibition of acetylcholinesterase enzyme of synthetic compounds..

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The aim of the thesis: Study on chemical constituents of two Knema species including Knema pachycarpa and Knema saxatilis growing in Vietnam. Evaluate cytotoxic and cetylcholinesterase enzyme inhibitory activitiesof isolates to find out bioactive compounds.

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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.

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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

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Thesis aims: Isolation and screening for Vietnam antimicrobial marine-derived actinobacteria strains. Isolation and structure elucidation of compounds from 2 promising isolated actinobacteria strains. Determination the antimicrobial activities of isolated compounds.

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Research objectives of the thesis: The thesis was conducted to research and develop a new type of electrode: glass charcoal electrodes modified by flower platinum nano (PtNFs/GC) and to evaluate the properties of fabricated electrodes: electrode structure, morphology, physical and chemical properties.

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Aim of the thesis: Synthesis of several derivatives and tubulysin analogues with the replacement of the amino acid methylpipecolic (Mep) at the N-terminal, replacing N,O-acetyl group by methyl group, and researching the role of tubuphenylalanine (Tup) group at the C-terminal.

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The objectives of the thesis: Research in the toxin/protein having bioactive isolated from Heterometrus laoticus (H. laoticus) scorpion and krait Bungarus fasciatus (B. fasciatus) snake venom.

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The objectives of the thesis: Research in the toxin/protein having bioactive isolated from Heterometrus laoticus (H. laoticus) scorpion and krait Bungarus fasciatus (B. fasciatus) snake venom.

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Purpose of research: Construction and use of the system of chemical exercises used in teaching organic chemistry to develop the creative capacity for students in gifted high school, contribute to renovating teaching and learning methods Chemistry in gifted high schools oriented towards capacity development.

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Study objectives: Study on theoretical and application basis of Microsoft (MS) Access and Visual Basic for Application (VBA) in creating programs that have applications in general teaching and learning and teaching and learning chemistry in particular.

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Goals of the study: Synthesis of new organic compounds (target) containing imidazole-5-one heterocycle; thiazolidine-2,4-dione heterocycle or 1,3,4-oxadiazoline heterocycle with different substituents in experimental conditions of Vietnam. Study on the properties, structures and biological activities of these compounds to contribute to the studies of both theory and application of heterocyclic compounds.

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