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Dissertations / Theses on the topic 'Synthesis and Herbicidal Activity'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Piunova, Victoria. "Photopolymerizable "Roundup" synthesis, herbicidal activity and coating formulation." Connect to this title online, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=bgsu1151340117.

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2

Piunova, Victoria A. "Photopolymerizable “Roundup” Synthesis, Herbicidal Activity and Coating Formulation." Bowling Green State University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1151340117.

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3

Murai, Shigeo. "Synthesis and Herbicidal Activity of Nicosulfuron, A New Herbicide for Corn, and Its Related Compounds." Kyoto University, 1998. http://hdl.handle.net/2433/182414.

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4

CHAKOR, JYOTSNA NARAYAN. "SYNTHESIS AND BIOLOGICAL ACTIVITY EVALUATION OF NATURAL PRODUCTS AND THEIR ANALOGUES." Doctoral thesis, Università degli Studi di Milano, 2010. http://hdl.handle.net/2434/150172.

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The aim of the thesis entitled “Synthesis and biological activity evaluation of natural products and their analogues” is to synthesize some natural products and their analogues in order to study SAR and evaluate their biological activity as fungicides or herbicides. The thesis reports the first enantioselective synthesis of crassinervic acid in 12 steps and 11.8% overall yield. Crassinervic acid, recently isolated from leaves of Piper crassinervium by Kato and co-workers, shows high antifungal activity mainly against Cladosporium cladosporioides and Cladosporium sphaerospermum (minimum amoun

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5

Coquin, Laurence. "Synthesis and biological activity of heterocycles and heptapeptide derivatives related to microcin B17 : potential leads for new herbicides and antibiotics." Thesis, University of East Anglia, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.426422.

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6

Eleftherohorinds, I. G. "Studies on the herbicidal activity of chlorsulfuron." Thesis, University of Reading, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.354962.

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7

Osabe, Hirokazu. "Quantitative Structure-Activity Studies of Light-dependent Herbicidal Pyridone-Carboxanilides." Kyoto University, 1992. http://hdl.handle.net/2433/85053.

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8

McFadden, Helen Georgina, and n/a. "Synthesis and herbicidal properties of some pyrazole and pyrimidine heteocycles." University of Canberra. Biomedical Sciences, 1992. http://erl.canberra.edu.au./public/adt-AUC20060918.160845.

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Four main series of novel heterocyclic compounds were successfully syniliesised. Two of these series were found to be post-emergence herbicides with the activities of each being based on a different mode of action. The (pyrazole-4-yl)alkanones are inhibitors of protoporphyrinogen oxidase, an enzyme in chlorophyll biosynthesis, whereas alkyl 3-arylsulfonylamino- 3-methyllhio-2-(pyrimidin-2-ylcarbamoyl)acrylates and pyrimidin-2-yl 3-(2- chlorophenyl)sulfonyl-amino-3-methylthio-2-cyanoacrylamides (collectively termed "vinylogous sulfonylureas") are inhibitors of acetohydroxy acid synthase (AHAS).

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9

Jouini, Amira. "Herbicidal activity of Mediterranean essential oils and their effects on soil bioindicators." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/159914.

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[ES] Las preocupaciones ambientales y de salud han estimulado el interés en estrategias alternativas para el manejo de las malas hierbas. En todo el mundo se están haciendo esfuerzos para reducir la gran dependencia de los herbicidas sintéticos que se utilizan como principal método para el control de las plantas arvenses. Los herbicidas naturales basados en sustancias alelopáticas, como los aceites esenciales (AEs) extraídos de plantas, se han sugerido como una de las posibles alternativas para lograr un manejo sostenible de las arvenses. Por un lado, los AEs han mostrado capacidad para inhibi

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10

JOUINI, AMIRA. "Herbicidal activity of Mediterranean essential oils and their effects on soil bioindicators." Doctoral thesis, Università degli Studi di Palermo, 2020. http://hdl.handle.net/10447/434529.

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Environmental and health concerns caused for traditional crop protection systems have stimulated interest in alternative weed management strategies. Worldwide, efforts are being made to reduce the heavy reliance on synthetic herbicides that are used to control weeds. Natural herbicides based on allelopathic substances, such as volatile essential oils (EOs) extracted from plants, has been suggested to be one of the possible alternatives for achieving sustainable weed management. From one hand, EOs have shown ability to inhibit weeds seed germination and growth, on the other hand there is a lack

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11

Karadogan, Burhan. "Studies towards the synthesis of the herbicidins and brevioxime." Thesis, University of Sussex, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324184.

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12

Taylor, David Charles Carleton University Dissertation Biology. "Synthesis and metabolism of a series of chloro-phenylalanines in relation to their potential herbicidal action." Ottawa, 1986.

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13

Kutlesa, Nicole J. "The insecticidal activity of a herbicidal inhibitor of glutamine synthetase tested on larvae of Calpodes ethlius (Lepidoptera: hersperiidae)." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ42166.pdf.

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14

Siraki, Takuma. "Endothelin; Synthesis and Activity." Kyoto University, 1997. http://hdl.handle.net/2433/202372.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(人間・環境学)<br>甲第6925号<br>人博第15号<br>8||110(吉田南総合図書館)<br>新制||人||4(附属図書館)<br>15986<br>UT51-97-H309<br>京都大学大学院人間・環境学研究科人間・環境学専攻<br>(主査)教授小林茂夫, 教授竹安邦夫, 教授津田謹輔<br>学位規則第4条第1項該当

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15

Visconti, Andrea. "Synthesis of quinones with anticancer activity." Thesis, University of Nottingham, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.574662.

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Quinones attract the attention of chemists and biologists because of their unique structure and biological properties. Cancer is a leading cause of death worldwide, killing millions of people every year. Several antitumour agents, frequently employed in the treatment of different forms of cancer, contain in their structure the quinone motif, discovered to have marked cytotoxic effects. Chapter 1 presents an overview of the unique properties of quinones, with particular emphasis on their anticancer activity. Bioactivation of quinones by cellular reductive enzymes generates reactive oxygen speci

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16

Cox, Kaleb Woodrow. "Synthesis and Biological Activity of Indolinones." Wright State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=wright1421165680.

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17

Fleitz, Nicholas J. "COMPARISON OF SOIL-APPLIED AND POSTEMERGENCE HERBICIDES WITH MULTIPLE SITES OF HERBICIDAL ACTIVITY ON TWO POPULATIONS OF HERBICIDE-RESISTANT PALMER AMARANTH IN KENTUCKY." UKnowledge, 2018. https://uknowledge.uky.edu/pss_etds/99.

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With the introduction of herbicide resistant Palmer amaranth into Kentucky during the past 10 years there has been an increasing concern for effective control measures in grain production. Field trials were performed in 2016 and 2017 near Barlow and Paris, KY to determine efficacy of chemical control programs targeting herbicide resistant Palmer amaranth. Percent visual control, effects on plant density and plant height were measured in 2016 to determine treatment effectiveness. Treatments containing four different sites of herbicide activity achieved an average of 98% control. Treatments cont

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18

Matondo, Hubert. "Synthese de n-4 pyridylcarbamates a activite herbicide potentielle : etude cinetique de l'influence des solutions micellaires sur leur hydrolyse." Toulouse 3, 1987. http://www.theses.fr/1987TOU30026.

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19

Torres, Costa Eva. "Synthesis of polycyclic compounds with antiviral activity." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/124040.

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Research for new antivirals to treat Influenza A virus infections has gained importance during this last decade due to the imminent danger of an Influenza pandemic. For some years, several new strains of this virus have appeared worldwide causing small outbreaks with a notable relevance, for example the ‘avian flu’ (H5N1 in 2007; H7N9 in 2012) and ‘swine flu’ (H1N1 in 2009), that have triggered the assumption that a new pandemic is coming. There are several strategies to treat an Influenza A virus infection targeting some of its surface proteins. In this Thesis, several compounds inhibitin

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20

Just, Baringo Xavier. "Thiopeptides: Synthesis and Structure-Activity Relationship Studies." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/128268.

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The present doctoral thesis has been devoted to the development of a new synthetic strategy to obtain a new member of the thiopeptide, or thiazolyl peptide, family of antibiotics. This new member, baringolin, was isolated and characterized by the Spanish pharmaceutical company Instituto Biomar S.A. Although a structure was proposed, no stereochemical information was provided. Thus, this thesis has several objectives; first, a novel modular and straightforward strategy must be developed to achieve its total synthesis, but also to facilitate the preparation of analogues. The achievement of the t

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21

Nguyen-Ba, Nghe. "Synthesis of acyclonucleosides with potential antviral activity." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74005.

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22

Juby, Carl D. "Synthesis of acyclonucleotides with potential antiviral activity." Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=66199.

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23

Johnson, Karen Amanda. "Synthesis of 1,2,4-trioxanes with antimalarial activity." Thesis, University College London (University of London), 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309172.

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24

Pereira, Joana Brás. "Synthesis and antibacterial activity of cationic phthalocyanines." Master's thesis, Universidade de Aveiro, 2012. http://hdl.handle.net/10773/8999.

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Mestrado em Biologia Molecular e Celular<br>Antimicrobial photodynamic therapy (aPDT) was described more than 100 years ago, but its potential as an alternative to combating microorganisms, was only recognized when antibiotic resistance became an important public health issue. aPDT refers to the action of 3 non-toxic elements: a photosensitizer, light and molecular oxygen that, when combined, results in the production of singlet oxygen (1O2) and/or free radicals which are cytotoxic to target cells. The aim of this work was to synthetize, evaluate and compare the photoinactivation effici

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25

Silva, Raquel Sofia de Oliveira Nunes da. "Phthalocyanine-sulfonamide conjugates-synthesis and biological activity." Doctoral thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/22842.

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Doutoramento em Química<br>O uso inapropriado de antibióticos no tratamento de doenças infeciosas tem levado a um aumento da resistência de diversos microrganismos patogénicos, o que apresenta atualmente um problema de saúde pública e tem motivado a procura de estratégias alternativas para o controlo destes microrganismos. Por outro lado, a procura de novas moléculas ou novas combinações de moléculas para o combate ao cancro é um assunto em constante desenvolvimento. Na presente dissertação descreve-se o trabalho desenvolvido para a obtenção de conjugados de ftalocianina–sulfonamida e a

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26

Lu, Di. "Arsenicin A : synthesis, derivatisation and biological activity." Phd thesis, Canberra, ACT : The Australian National University, 2012. http://hdl.handle.net/1885/109791.

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The improved synthesis and resolution of the first naturally occurring polyarsenical, Arsenicin A [As₄0₃(CH₂)₃] has been achieved. The putative structure of Arsenicin A resembled that of arsenic(III) oxide (As40 6) , but where three of the oxygen atoms in the inorganic oxide had been replaced by methylene groups in a chiral C2 arrangement. The five-step synthesis involves reduction of methylenebis(phenylarsinic acid) to the bis( secondary arsine) (RAs * ,RAs *)-( ± )/(RAs * ,S As *)-CH2[ AsHPh h followed by deprotonation and reaction of the resulting diarsenide with ( chloromethyl)diphen

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27

GABRIELLI, LUCA. "Glycomimetics: design, synthesis and biological activity studies." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2013. http://hdl.handle.net/10281/41953.

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My PhD project has been focused on the design, synthesis and biological activity studies of glicomimetics. During these three years I have been mainly interested in three different arguments (three proteins: API, Akt, CIM6Pr) that I will elucidate in detail in this thesis. Even if the target proteins (enzymes and receptors) are very different, these three arguments have a common element. In all cases, starting from the known mechanistic, structural and biological information of the single protein, I have designed glycomimetics that are potentially able to interact with the target protein. Al

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28

Tegazzini, Diana. "Design, synthesis and activity evaluation of antioxidant peptides." Thesis, Queen's University Belfast, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.603073.

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Reactive Oxygen Species (ROS) produced during normal aerobic metabolism, if not promptly removed by the detoxification mechanisms of the cells, can easily react with cell components, especially lipids, producing secondary cytotoxic molecules called reactive carbonyl species (RCSs). RCSs exhibit significant chemical reactivity and can cause protein modification and dysfunction. One of the most important ReSs is 4-hydroxinonenal (HNE), an unsaturated aldehyde that has been strongly linked to Alzheimer'S disease (AD). A new series of dipeptide histidyl hydrazide analogues of carnosine was prepare

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29

Howerton, Brock S. "Design, Synthesis, and Anticancer Activity of Ruthenium Complexes." UKnowledge, 2012. http://uknowledge.uky.edu/chemistry_etds/10.

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Ruthenium complexes show promise as light activated photodynamic therapy (PDT) prodrugs. Strained octahedral complexes were synthesized that produce a cytotoxic species upon light activation. pUC19 DNA damage in vitro experiments were carried out to determine the type of damage observed. In vivo cell experiments were carried out on the non-small lung cancer A549 cell line to determine the phototherapeutic window of the synthesized complexes. One mechanism of drug resistance via elevated levels of glutathione was addressed through in vitro binding studies carried out with UV-Vis spectroscopy an

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30

Gurnham, Joanna. "Synthesis, Characterization and Catalytic Activity of Chromium Complexes." Thèse, Université d'Ottawa / University of Ottawa, 2014. http://hdl.handle.net/10393/30694.

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There has been a growing demand for specific linear alpha olefins in the polyethylene industry in order to control polymer rheology. This growing demand thereby increases the need for highly active and selective ethylene oligomerization catalysts. Chromium-based catalysts continue to be of high interest for this application due to this metal’s versatility in both selective and non selective ethylene oligomerization. Ligand design is an important consideration in oligomerization chemistry: the ability of the ligand to stabilize low valent chromium and to support a two-electron redox process

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31

McDonald, Russell Walker. "Synthesis and anticancer activity of NDGA and analogues." Thesis, University of Glasgow, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274867.

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32

Kuroda, Toru. "Synthesis and Hypolipidemic Activity of 1-Arylnaphthalene Lignans." Kyoto University, 1997. http://hdl.handle.net/2433/202360.

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33

Giltrap, Andrew M. "Total Synthesis of Natural Products with Antimicrobial Activity." Thesis, The University of Sydney, 2017. http://hdl.handle.net/2123/17195.

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Natural products are an essential source of many modern medicines. Examples of important natural products include the antibiotic penicillin and the antimalarial quinine. One significant class of bioactive natural products are non-ribosomal peptides (NRPs) and two prototypical members of this class are the extremely important antibiotics, penicillin and vancomycin. Currently, bacterial resistance to antibiotics is one of the most pressing global health issues. The need for new antibiotics with novel mechanisms of action is paramount. This thesis describes the total synthesis of the recently iso

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34

Perin, Danilo. "Biomaterials for biotechnological applications: synthesis and activity evaluations." Doctoral thesis, Università degli studi di Trieste, 2010. http://hdl.handle.net/10077/3518.

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2008/2009<br>A biomaterial was defined as any non-living material used in a medical device that interacts with biological systems. Many different applications involve the use of biomaterials: pharmacology, controlled drug release, extracorporeal devices (contact lens, emodialysis devices, cardiopulmonary bypass oxygenators), artificial prostheses. One of the most interesting biomaterials application regards the release of nucleic acids and their derivatives as therapeutic agents. These molecules, defined as “nucleic acid base drugs” (NABDs), allows highly targeted cellular metabolism modificat

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35

Di, Sarno Veronica. "Design and synthesis of modulators of apoptotic activity." Doctoral thesis, Universita degli studi di Salerno, 2016. http://hdl.handle.net/10556/2229.

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2014 - 2015<br>p53 is a transcription factor with tumour suppressor properties, which is able to induce mitochondrial apoptosis independently of its transcriptional activity. Analogues of the spiro[imidazo[1,5-c] thiazole-3,3′-indoline] -2′,5,7(6H,7aH) -trione, previously synthesized from my research group, as p53 modulators were synthesized during my PhD, aiming to explore new structural requirements at the thiazolidine domain to increase the antiproliferative activity and improve p53 modulation. Derivative 5-bromo-3′- (cyclohexane carbonyl) -1-methyl-2oxospiro[indoline-3,2′-thiazolidine] (SM

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36

Skytte, Dorthe. "Antimalarial norneolignans, synthesis and SAR & synthesis of beta-lactams /." Cph. : Danish University of Pharmaceutical Sciences, Department of Medicinal Chemistry, 2005. http://www.dfuni.dk/index.php/Dorthe_Mondrup_Skytte/2238/0/.

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37

Hurgobin, Sooviraj. "The effect of synthesis and post-synthesis modifications on the activity of zeolite beta for cumene synthesis." Master's thesis, University of Cape Town, 1998. http://hdl.handle.net/11427/17951.

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Bibliography: pages 128-140.<br>The isopropylation of benzene to produce cumene is an important petrochemical process since cumene is used as a chemical intermediate for the production of phenol and acetone. In recent years, the good performance of zeolite Beta for this particular reaction has often been reported in the literature (Reddy et al., 1993, Bellussi et al., 1995 and Perego et al., 1996). It is known, from the numerous studies that have been carried out on other zeolite types, that post synthesis modifications such as dealumination of the zeolite framework tend to enhance the activit

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38

Ho, Colin. "Synthesis of sphingosine analogues and evaluation of anticancer activity." Thesis, University of Glasgow, 1997. http://theses.gla.ac.uk/1372/.

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39

Abbott, Belinda Maree 1976. "Synthesis and structure-activity studies of antiplatelet 2-morpholinochromones." Monash University, Dept. of Medicine, 2003. http://arrow.monash.edu.au/hdl/1959.1/7606.

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40

Lange, Mark W. "Design semiosis : synthesis of products in the design activity /." Stockholm, 2001. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3243.

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41

Tudor, Jonathan Simon. "Synthesis and catalytic activity of organometallic-inorganic composite materials." Thesis, University of Oxford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.339188.

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42

Owen, A. E. "Synthesis, characterisation and catalytic activity of polymerisable cobalt clusters." Thesis, Swansea University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.638384.

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The aim of this work is to synthesise and characterise a range of phosphane-substituted polymerisable cobalt clusters and to investigate their utility as hydroformylation catalysts. Chapter one can be thought of as being split into two halves; the first half provides a general introduction to the field of transition metal cluster chemistry, whilst the second focuses on a particular type of cluster, namely alkylidyne tricobalt clusters i.e. clusters containing a Co<sub>3</sub>C core. Chapters two and three describe the reaction of the [Co<sub>3</sub>(m<sub>3</sub>-CR)(CO)<sub>9</sub>] cluster w

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43

Chisholm, Grieg. "Synthesis and biological activity of Pyrrolizidine alkaloids and analogues." Thesis, University of Glasgow, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296045.

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44

賴鍵賢. "Herbicidal activity of the fermentation liquid Streptomyces isolate S4、S7、S9." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/40886856327664483809.

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碩士<br>國立嘉義大學<br>農藝學系研究所<br>101<br>Abstract Weeds are often the major harassment when it comes to a farming production management. Chemical-herbicides are the main management tool for the weed control. However, the serious impact to the environment and the drug resistance problems are gradually appears. To maintain the safety for human-beings and animals, as well as farming ecosystem, it is an important issue to develop bioherbicides. In this study, surface soil were collected from Kaohsiung, Taichung, Chiayi and Nantou city in Taiwan and screened for herbicidal activities of Streptomyces

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45

Alvarado, Renan A. "Some physiological and biochemical aspects of haloxyfop herbicidal activity alone or mixed with dicamba." Thesis, 1990. http://hdl.handle.net/1957/37226.

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46

Baltazar, Maria Teresa Pires. "New Formulation of Paraquat with Lysine Acetylsalicylate. Safety improvement for mammalian and algae species with maintenance of the herbicidal activity." Doctoral thesis, 2014. https://repositorio-aberto.up.pt/handle/10216/71854.

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47

Baltazar, Maria Teresa Pires. "New Formulation of Paraquat with Lysine Acetylsalicylate. Safety improvement for mammalian and algae species with maintenance of the herbicidal activity." Tese, 2014. https://repositorio-aberto.up.pt/handle/10216/71854.

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48

Chang, Eddie, and 張志邦. "Synthesis and antibacterial activity evaluation." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/57780715785751511630.

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碩士<br>臺北醫學大學<br>藥學系<br>92<br>Coumarins are widely distributed in nature and have reported to exhibit various interesting biological activities. Coumarins could be extracted from Tonka Bean and also synthesized by organic process. Coumarin derivatives are lactone compounds that are used as additives to food and cosmetics, laser dyes and some medicines. In medical field, coumarin derivatives have also been used as anticoagulants and antibacterial agents (e.g Novobiocin、Coumermycin A1). However, some bioactivity compounds with 4-hydroxycoumarin structure aroused our interest in 4-hydroxycoumari

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49

Lin, Zih-You, and 林姿佑. "Synthesis and Cytotoxic Activity of Triterpenoids." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/56566613170843429200.

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碩士<br>高雄醫學大學<br>藥學研究所<br>96<br>Previously the cytotoxic activity of triterpenoids lantanolic acid (1) and lantabetulic acid (2) isolated from the CHCl3 extract of leaves of Rhus javanica L. var. roxburghiana (DC.) Rehd. & Wilson, showed cytotoxic activity in the human lung carcinoma cell line (A549), human breast carcinoma cell line (MCF-7), human rectum carcinoma cell line (HT-29), and human liver carcinoma cell line (Hep3B). Therefore, we isolated lantanolic acid (1) and lantabetulic acid (2), synthesized derivatives of lantabetulic acid (2) and tested the cytotoxic activity aganist two canc

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50

JUI, YANG FEI, and 楊飛瑞. "Synthesis and Biological Activity Evaluation of." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/85559906856711705056.

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碩士<br>國立高雄醫學大學<br>藥學研究所碩士在職專班<br>90<br>Abstract 4-[(2,4-dichloropheny)amino]-6,7-dimethoxy-3-quinolinecarbonitrile is a novel heterocycle possessing a wide variety of biological effects, including the inhibition of Src kinase activity (IC50=30 nM). Src inhibition could be efficacious for the treatment of various diseases, including cancer osteoporosis and the brain damage that often follows stroke. Src inhibitor proved effectively in the treatment of osteoporosis. In order to explore structure-activity relationships, a number of difluoro and trifluoro substituted anilinoquinolines w

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