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Antibacterial Activity of Nanomaterials

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ISBN: 9783038970491 9783038970507 Year: Pages: 328 DOI: 10.3390/books978-3-03897-050-7 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Chemistry (General)
Added to DOAB on : 2018-09-14 10:27:20
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Abstract

Bacterial proliferation is a severe and increasing concern in everyday life, which accounts for important damage in a number of industries, from textile and marine transport to medicine and food packaging. Despite the huge efforts by academic and industry researchers, a universal solution for controlling bacterial colonization has not been established yet. In this regard, nanomaterials are more and more used to target bacteria as an alternative to antibiotics. Examples include the use of nanomaterials in antibacterial coatings for implantable devices and other materials to prevent infection and promote wound healing and in antibiotic delivery systems to treat diseases. By exploiting the excellent antibacterial properties of some materials at the nanoscale, namely ZnO, TiO2, Ag, Au, nanodiamond and graphene, effective strategies for the prevention of infections can be developed.The main focus of this book is, therefore, to present selected examples of the most recent advances in the synthesis, characterization, and applications of nanomaterials with antibacterial activity. The book is addressed to scientists and industry researchers, as well as to master and degree students in chemistry, pharmacy, bioengineering, biology and materials science. The Editor would like to thank the staff of Nanomaterials Editorial Office for the constant help and support.

Food Packaging. Materials and Technologies

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ISBN: 9783038977667 9783038977674 Year: Pages: 216 DOI: 10.3390/books978-3-03897-767-4 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering --- Materials
Added to DOAB on : 2019-04-25 16:37:17
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Because of the increasing pressure on both food safety and packaging/food waste, the topic is important both for academics, applied research, industry and also for environment protection. Different materials, such as glass, metals, paper and paperboards, and non-degradable and degradable polymers, with versatile properties, are attractive for potential uses in food packaging. Food packaging is the largest area of application within the food sector. Only the nanotechnology-enabled products in the food sector account for ~50% of the market value, with and the annual growth rate is 11.65%. Technological developments are also of great interest. In the food sector, nanotechnology is involved in packaging materials with extremely high gas barriers, antimicrobial properties, and also in nanoencapsulants for the delivery of nutrients, flavors, or aromas, antimicrobial, and antioxidant compounds. Applications of materials, including nanomaterials in packaging and food safety, are in forms of: edible films, polymer nanocomposites, as high barrier packaging materials, nanocoatings, surface biocides, silver nanoparticles as potent antimicrobial agents, nutrition and neutraceuticals, active/bioactive packaging, intelligent packaging, nanosensors and nanomaterial-based assays for the detection of food relevant analytes (gasses, small organic molecules and food-borne pathogens) and bioplastics.

Bioactive Compounds from Marine-Derived Aspergillus, Penicillium, Talaromyces and Trichoderma Species

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ISBN: 9783038979807 / 9783038979814 Year: Pages: 134 DOI: 10.3390/books978-3-03897-981-4 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Biology --- Microbiology
Added to DOAB on : 2019-06-26 08:44:06
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The importance of bioactive natural compounds in pharmacology and other biotechnological fields has stimulated the scientific community to explore new environmental contexts and their associated microbial diversity. As the largest frontier in biological discovery, the sea represents a significant source of organisms producing novel secondary metabolites with interesting bioactivities. Of the available biological material, fungi have received increasing consideration, both due to their pervasive occurrence in varying habitats as well as their aptitude to develop symbiotic associations with higher organisms in numerous contexts. In many cases, fungal strains have been reported as the real producers of drugs originally extracted from marine plants and animals. Due to the constantly increasing number of marine-derived fungi yielding valuable bioactive products, it is now appropriate to present these findings to a recipient audience in a more organized form. This Special Issue of Marine Drugs, entitled “Bioactive Compounds from Marine-Derived Aspergillus, Penicillium, Talaromyces, and Trichoderma Species"" is specifically focused on a few genera of ascomycetous fungi which are widespread regarding marine contexts and are particularly inclined to establishing symbiotic relationships. For this project, we welcome submissions of full research papers, short notes, and review articles reporting the discovery and characterization of products showing antibiotic, antitumor, antiviral, insecticidal, antimalarial, antifouling, antioxidant, plant growth-promoting and/or resistance-inducing, as well as other less-exploited activities.

Lignans

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ISBN: 9783038979081 / 9783038979098 Year: Pages: 384 DOI: 10.3390/books978-3-03897-909-8 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Chemistry (General) --- Organic Chemistry
Added to DOAB on : 2019-06-26 10:09:00
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Lignans are a class of natural products found mainly in plants. They have a wide variety of structures and exhibit a range of potent biological activities. Lignans are also well-known components of a number of widely eaten foods and are frequently studied for their dietary impact. Owing to these factors, lignans have been extensively studied by scientists from a large number of disciplines. This collection of research and review articles describes topics ranging in scope from the recent isolation and structural elucidation of new lignans, strategies towards the chemical synthesis of lignans, assessment of their biological activities and potential for further therapeutic development. Research showing the impact of lignans in the food and agricultural industries is also presented.

Keywords

lignans --- chemometrics --- neolignans --- flavonolignans --- chemical space --- drug-like --- Lespedeza cuneata --- lignan glycoside --- flavonoid glycoside --- cytotoxicity --- adipocyte and osteoblast differentiation --- Bursera --- Burseraceae --- lignans --- lignan --- molecular dynamics --- intermolecular interactions --- graph theory --- lignans --- heilaohu --- tujia ethnomedicine --- chemical characterization --- cytotoxicity --- antioxidant --- cultivar --- environment --- flax --- flavonol --- genetic --- hydroxycinnamic acid --- lignan --- seed --- aryldihydronaphthalene lignan --- arylnaphthalene lignan --- oxidation --- synthesis --- lignans --- dibenzyl butyrolactones --- anti-proliferative --- acyl-Claisen --- stereoselective synthesis --- Schisandra rubriflora --- Schisandra chinensis --- red-flowered Chinese magnolia vine --- Chinese magnolia vine --- lignans --- phytochemical analysis --- UHPLC-MS/MS --- anti-inflammatory activity --- LOX --- COX --- sPLA2 --- lignans --- neolignans --- Lauraceae --- chemical components --- chemical structures --- dietary lignans --- national databases --- food groups --- dietary intake --- harmonized databases --- lignans --- in silico studies --- podophyllotoxin --- antibacterial activity --- acetylcholinesterase inhibitors --- antioxidant activity --- cytotoxicity --- natural products --- total synthesis --- lignan --- Bursera fagaroides --- podophyllotoxin-type lignans --- cell cycle --- cell migration --- epiboly --- microtubules --- F-actin --- cancer --- lignans --- animal health --- cattle --- enterolignan --- human health --- pharmacokinetic --- ruminant --- secoisolariciresinol diglucoside --- Lignan --- bitterness --- taste-active compound --- quantification --- oak ageing --- lignans --- norlignans --- 9-norlignans --- semisynthesis --- hydroxymatairesinol --- bioactivity --- lignans --- oxidation --- lignans --- diet --- antioxidants --- health promotion --- chronic diseases --- Schisandrae Chinensis Fructus --- wild --- cultivated --- multiple bioactive components --- simultaneous quantitation

Qualitative and Quantitative Analysis of Bioactive Natural Products 2018

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ISBN: 9783038977889 Year: Pages: 374 DOI: 10.3390/books978-3-03897-789-6 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Biology --- Science (General)
Added to DOAB on : 2019-04-05 10:34:31
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Throughout most of history, medicinal plants and their active metabolites have represented a valuable source of compounds used to prevent and to cure several diseases. Interest in natural compounds is still high as they represent a source of novel biologically/pharmacologically active compounds. Due to their high structural diversity and complexity, they are interesting structural scaffolds that can offer promising candidates for the study of new drugs, functional foods, and food additives.Plant extracts are a highly complex mixture of compounds and qualitative and quantitative analyses are necessary to ensure their quality. Furthermore, greener methods of extraction and analysis are needed today.This book is based on articles submitted for publication in the Special Issue entitled “Qualitative and Quantitative Analysis of Bioactive Natural Products” that collected original research and reviews on these topics.

Keywords

Talaromyces pinophilus --- talarodiolide --- macrodiolides --- GC/MS --- secondary metabolites --- anthocyanins --- red cabbage --- recycling preparative high performance liquid chromatography --- stability --- UHPLC-MS/MS --- decursin --- decursinol angelate --- nodakenin --- decursinol --- Ginkgo biloba Extract (GBE) --- chromatogram-bioactivity correlation --- bioactive compounds --- endothelial function --- wine --- volatile compounds --- terrain conditions --- odor-activity values --- SPME-GC/MS --- Bolbostemma paniculatum --- identification --- LTQ-Orbitrap --- UPLC --- multivariate statistical analysis --- cannabidiol --- CBD oil --- terpenes --- hemp seed oil --- GC-MS --- HPLC-Q-Exactive-Orbitrap-MS --- Rossa da inverno sel. Rojo Duro onion cultivar --- geographical origin --- amino acids content --- HPLC analysis --- statistical evaluations --- food traceability --- aleuritolic acid --- autophagy --- apoptosis --- HPLC --- Curcuma longa --- turmeric --- curcuminoids --- turmerone --- quantification --- Quercus acuta leaf --- antioxidant --- antibacterial activity --- Staphylococcus aureus --- Erigeron breviscapus extract --- UPLC-ESI-MS/MS --- cerebral ischemia reperfusion injury --- scutellarin --- scutellarein --- HPLC --- Podospermum --- Scorzonera --- triterpenes --- ginseng berry extract --- ginsenosides --- stereoselective and simultaneous analysis --- pharmacokinetics --- oral administration --- saffron --- crocins --- UHPLC analysis --- separation optimisation --- artificial neural network --- response surface methodology --- bioactive natural compounds --- secondary metabolites --- Alzheimer’s disease --- Olea europaea L. --- liquid chromatography --- gas chromatography --- mass spectrometry --- secondary metabolites --- olive leaves --- Moroccan region --- phenolic compounds --- liquid chromatography-mass spectrometry --- chemometrics --- metabolic profiling --- Sorbus --- fruit powders --- phenolic compounds --- carotenoids --- sugars --- organic acids --- chili --- capsaicinoids --- phenolics --- free radical-scavenging --- geographical variation --- 1-triacontanol --- HPLC-ELSD --- biostimulant --- method validation --- Myristica fragrans --- nutmeg --- essential oil --- ionic liquids --- hydrodistillation --- MODDE experimental design --- rice --- phenolic compounds --- phenolic acids --- flavonoids --- anthocyanins --- proanthocyanidins --- antioxidant activity --- extraction --- HPLC methods --- phenolic compounds --- Spondias spp. --- UPLC-MS --- antioxidant capacity --- Iris lactea Pall. var. chinensis (Fisch.) Koidz. --- HPLC-Q-TOF-MS/MS --- qualitative analysis --- quantitative analysis --- C-glycosylflavone --- traditional Chinese medicine decoction --- quality evaluation --- UPLC-QTOF-MS --- UFLC-QQQ-MS --- ShenFu prescription decoction

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