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  • Bücher  (12)
  • MDPI - Multidisciplinary Digital Publishing Institute  (8)
  • InTechOpen  (4)
  • 1
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    Chapter Valorization of Microalgae and Energy Resources (2021)
    InTechOpen
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    Publikationsdatum: 2024-04-11
    Beschreibung: Microalgae biotechnology has grown very rapidly in the last few decades due to the multiple applications that these microorganisms have from pharmaceuticals and cosmetics to foods/feeds and biofuels. One of the main challenges in expanding this industry is to enlarge the single use of the biomass produced in addition to reducing the high biomass production cost of the current technologies. To overcome this bottleneck, the development of microalgae-based biorefineries has been proposed. The issue is to obtain as many bioproducts as possible from the cultivated biomass, including biofuels. Consequently, biodiesel production (from the lipid fraction), bioethanol (from carbohydrate fraction), and biogas or bio-oil (from the whole biomass) have been posited. In this book chapter, we review the current state of the art in the production of sustainable biofuels from microalgae and analyze the potential of microalgae to contribute to the biofuel sector.
    Schlagwort(e): microalgae, biodiesel, bioethanol, biogas, biorefinery ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBC Engineering: general
    Sprache: Englisch
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  • 2
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    Chapter 8 Signalling DNA Damage (2021)
    InTechOpen | Protein Phosphorylation in Human Health | Protein Phosphorylation in Human Health
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    Publikationsdatum: 2024-04-04
    Beschreibung: During our lifetime, the genome is constantly being exposed to different types of damage caused either by exogenous sources (radiations and/or genotoxic compound) but also as byproducts of endogenous processes (reactive oxigen species during respiration, stalled forks during replication, eroded telomeres, etc). From a structural point of view, there are many types of DNA damage including single or double strand breaks, base modifications and losses or base-pair mismatches. The amount of lesions that we face is enormous with estimates suggesting that each of our 1013 cells has to deal with around 10.000 lesions per day [1]. While the majority of these events are properly resolved by specialized mechanisms, a deficient response to DNA damage, and particularly to DSB, harbors a serious threat to human health [2]. DSB can be formed [1] following an exposure to ionizing radiation (X- or γ-rays) or clastogenic drugs; [2] endogenously, during DNA replication, or [3], as a consequence of reactive oxygen species (ROS) generated during oxidative metabolism. In addition, programmed DSB are used as repair intermediates during V(D)J and Class-Switch recombination (CSR) in lymphocytes [3], or during meiotic recombination [4]. Because of this, immunodeficiency and/or sterility problems are frequently associated with DDR-related pathologies.
    Schlagwort(e): dna damage ; dna damage ; Apoptosis ; Ataxia telangiectasia and Rad3 related ; ATM serine/threonine kinase ; DNA repair ; DNA-PKcs ; Phosphorylation ; Protein ; Ubiquitin ; thema EDItEUR::P Mathematics and Science::PD Science: general issues
    Sprache: Englisch
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  • 3
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    Chapter Microalgae: The Basis of Mankind Sustainability (2021)
    InTechOpen
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    Publikationsdatum: 2024-03-30
    Beschreibung: Microalgae were the basis of life into the planet, but only recently these microorganisms are exploited at a commercial scale. Thus, the production of pharmaceuticals, cosmetics, feed, and foods from microalgae is today a commercial reality increasing year by year. Additionally, microalgae have been proposed to be used to enhance the sustainability of existing industrial activities, as wastewater treatment and biofuel production. In this way, the utilization of microalgae at a large scale is considered a green revolution in the sustainability of mankind. This chapter is focused on reviewing the real contribution of microalgae to human activities. The last improvements of technologies and its uses, in addition to still existing bottlenecks for the massive exploitation of these microorganisms, are reviewed.
    Schlagwort(e): microalgae, sustainability, food production, biomass, bioenergy ; thema EDItEUR::K Economics, Finance, Business and Management::KJ Business and Management::KJD Business innovation
    Sprache: Englisch
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  • 4
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    Internet and Mobile Phone Addiction. Health and Educational Effects (2021)
    MDPI - Multidisciplinary Digital Publishing Institute
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    Publikationsdatum: 2024-03-29
    Beschreibung: Internet use-related addiction problems (e.g., Internet addiction, problem mobile phone use, problem gaming, and social networking) have been defined according to the same core element: the addictive symptomatology presented by individuals who excessively and problematically behave using the technology. Online activity is the most important factor in their lives, causing them the loss of control by stress and difficulties in managing at least one aspect of their daily life, affecting users’ wellbeing and health. In 2018, Gaming Disorder was included as a mental disease in the 11th Revision of the International Classification of Diseases by the World Health Organization. In 2013, the American Psychiatric Association requested additional research on Internet Gaming Disorder. The papers contained in this e-Book provide unique and original perspectives on the concept, development, and early detection of the prevention of these health problems. They are diverse in the nature of the problems they deal with, methodologies, populations, cultures, and contain insights and a clear indication of the impact of individual, social, and environmental factors on Internet use-related addiction problems. The e-Book illustrates recent progress in the evolution of research, with great emphasis on gaming and smartphone problems, signaling areas in which research would be useful, even cross-culturally.
    Schlagwort(e): BF1-990 ; phubbing ; CERM ; smartphone ; technological addictions ; CERI ; mobile phone use ; gambling ; teenagers ; behavioural addictions ; video-game addiction ; review ; suppression ; gaming disorder ; generalised versus specific problem Internet uses ; young children ; Internet Use Disorder ; measurement invariance ; immersion ; latent profile analysis ; adolescents ; emotional regulation ; deep approach to learning ; Behavioral Inhibition System/Behavioral Activation System (BIS/BAS) ; comorbid psychopathology ; adolescence ; smartphone use ; gender ; self-control ; internet gaming disorder ; personality traits ; expectancies ; prevalence ; screen addiction ; surface approach to learning ; Internet-use disorder ; expectations ; early childhood education ; stress ; smartphone addiction ; convergent design ; mobile phone addiction ; Symptom Checklist-90-Revised (SCL-90-R) ; mobile phone (or smartphone) use ; comorbidity ; Diagnostic and Statistical Manual for Mental Disorders (DSM-5) ; focus group ; emergent bilinguals ; psychometric testing ; approaches to learning ; problematic Internet use ; social networking ; commuting ; mixed methods research ; interpersonal relationships ; Internet gaming disorder ; self-efficacy ; Brief Self-Control Scale (BSCS) ; Internet literacy ; parenting ; Dickman Impulsivity Inventory-Short Version (DII) ; well-being ; problematic smartphone use ; coping strategies ; addiction ; anxiety ; cognitive distortion ; fear of missing out (FOMO) ; impulsivity ; survey ; propensity score ; game device usage pattern ; hostility ; young people ; cognitive reappraisal ; Internet addiction ; university students ; epidemiology ; problematic social media use (PSMU) ; personality ; behavioral addictions ; China ; cultural differences ; problematic mobile phone use ; mobile phone dependence ; interpersonal relations ; social media ; online social network ; Problematic Mobile Phone Use Questionnaire ; Internet Gaming Disorder ; IGD ; intergenerational language transmission ; internet addiction ; Problematic Mobile Phone Use ; pathological video-game use ; serial mediation ; depression ; time ; bic Book Industry Communication::J Society & social sciences::JM Psychology ; thema EDItEUR::J Society and Social Sciences::JM Psychology
    Sprache: Englisch
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  • 5
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    Surfaces and Interfaces for Renewable Energy (2021)
    MDPI - Multidisciplinary Digital Publishing Institute
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    Publikationsdatum: 2024-04-11
    Beschreibung: Environmental problems derived from the massive use of conventional energy resources are one of the main issues that our society has been facing in recent decades. Renewable energies (and particularly solar energy) have become a highly competitive means to meet the world’s increasing energy demands in a sustainable and clean manner. One of the key research challenges for the commercial deployment of several solar energy technologies is focused on the development of feasible and durable coatings that withstand appropriate optical and thermal performance over the lifetime of the solar facilities. This book addresses a number of relevant aspects related to coatings for renewable energies, including a deep survey of coatings used in photovoltaic solar energy, the development of a superhydrophobic and thermal stable silica coating that is potentially suitable for various industrial applications related to renewable technologies, the development of coatings to improve the resistance of structural materials used in concentrating solar thermal technologies with molten salts, and several research works related to solar reflectors for concentrating solar thermal technologies (such us the advanced analysis of the corrosion, the suitability of anti-soiling coatings, and the development of top protective coatings for high-temperature secondary concentrators).
    Schlagwort(e): TA1-2040 ; T1-995 ; concentrated solar power ; corrosion product ; X-ray diffraction ; third element effect ; corroded solar reflector ; light trapping ; concentrating solar thermal energy ; soiling rate ; optical design ; silica coating ; Raman spectroscopy ; pack cementation ; solar reflector ; solar hemispherical reflectance ; outdoor test ; cleaning method ; thin film ; monochromatic specular reflectance ; secondary reflector ; sputtering ; temperature stability ; anti-soiling coating ; molten nitrate corrosion ; improved measurement method ; solar energy ; thin film a-Si: H ; superhydrophobic surface ; HiPIMS ; reflectance corrosion ; sol-gel ; polycrystalline ; organic solar cell ; concentrated solar thermal power ; GIXRD ; scopus ; material solar cell ; protected silver ; grade 91 steel ; Cr-diffusion coating ; corrosion rate ; coatings ; reflector ; water saving ; Al-diffusion coating ; reflectance measurement ; thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TB Technology: general issues::TBX History of engineering and technology
    Sprache: Englisch
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  • 6
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    Benefits of Resveratrol Supplementation (2021)
    MDPI - Multidisciplinary Digital Publishing Institute
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    Publikationsdatum: 2024-04-05
    Beschreibung: In recent years, great attention has been paid to polyphenols due to their positive effects on health. One of the most widely-studied phenolic compounds is resveratrol. This molecule, which is naturally present in some foods, shows beneficial effects on various physiological and biochemical processes, thus representing a potential tool for the prevention or the treatment of diseases highly prevalent in our society. Several of these beneficial effects have been observed in human beings, but others only in pre-clinical studies so far, and therefore, it is mandatory to continue with the scientific research in this field. Indeed, new knowledge concerning these issues could enable the development of novel functional foods or nutraceuticals, incorporating resveratrol, suitable for preventing or treating diseases such as cancer, cardiovascular diseases, obesity, dislipemia, insulin resistance and diabetes, liver diseases, etc.
    Schlagwort(e): QH301-705.5 ; Q1-390 ; TX341-641 ; polyphenols ; ?-viniferin ; leptin resistance ; p53 ; kidney ; energy restriction ; grape powder extract ; cytokines ; phosphorylation ; obesity ; energy metabolism ; metabolic pathways ; endothelial function ; polyol pathway ; antioxidant ; caloric restriction ; rat ; adipose tissue ; microparticles ; pathways ; angiotensin converting enzyme 2 ; resistance ; esRAGE ; interleukins ; metabolic syndrome ; dissolution rate ; thermogenesis ; streptozotocin ; bioavailability ; solubility ; metabolism ; renin-angiotensin system ; microbiota ; Sirt-1 ; magnesium dihydroxide ; hypertrophy ; metabolic diseases ; physiological adaption ; red wine extract ; lens ; distribution ; MTA1 ; sirtuin ; inflammation ; cardiac function ; rats ; cisplatin ; resveratrol ; mitochondria ; breast cancer ; ischemia-reperfusion ; cardiovascular ; metabolites ; gut microbiota ; prostate cancer ; performance ; type 2 diabetes ; cafeteria diet ; high-fat high-sucrose diet ; resistance exercise ; aging ; diabetes ; oxidative stress ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences
    Sprache: Englisch
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  • 7
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    Socio-Cognitive and Affective Computing (2021)
    MDPI - Multidisciplinary Digital Publishing Institute
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    Publikationsdatum: 2023-12-20
    Beschreibung: Social cognition focuses on how people process, store, and apply information about other people and social situations. It focuses on the role that cognitive processes play in social interactions. On the other hand, the term cognitive computing is generally used to refer to new hardware and/or software that mimics the functioning of the human brain and helps to improve human decision-making. In this sense, it is a type of computing with the goal of discovering more accurate models of how the human brain/mind senses, reasons, and responds to stimuli. Socio-Cognitive Computing should be understood as a set of theoretical interdisciplinary frameworks, methodologies, methods and hardware/software tools to model how the human brain mediates social interactions. In addition, Affective Computing is the study and development of systems and devices that can recognize, interpret, process, and simulate human affects, a fundamental aspect of socio-cognitive neuroscience. It is an interdisciplinary field spanning computer science, electrical engineering, psychology, and cognitive science. Physiological Computing is a category of technology in which electrophysiological data recorded directly from human activity are used to interface with a computing device. This technology becomes even more relevant when computing can be integrated pervasively in everyday life environments. Thus, Socio-Cognitive and Affective Computing systems should be able to adapt their behavior according to the Physiological Computing paradigm. This book integrates proposals from researchers who use signals from the brain and/or body to infer people's intentions and psychological state in smart computing systems. The design of this kind of systems combines knowledge and methods of ubiquitous and pervasive computing, as well as physiological data measurement and processing, with those of socio-cognitive and affective computing.
    Schlagwort(e): QA75.5-76.95 ; BF1-990 ; Social Interaction ; Socio-Cognitive Computing ; Physiological Computing ; Affective Computing ; bic Book Industry Communication::U Computing & information technology::UY Computer science
    Sprache: Englisch
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  • 8
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    New Trends in Fuzzy Set Theory and Related Items (2021)
    MDPI - Multidisciplinary Digital Publishing Institute
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    Publikationsdatum: 2023-12-20
    Beschreibung: Since the launch, in 1965, of the key notion of a fuzzy subset by Lotfi A. Zadeh, this concept has succeeded in growing interest and development. Nowadays, it is undoubtedly one of the most powerful and appealing branches of mathematics. Its range of applications is wide and multidisciplinary, starting from computer sciences and artificial intelligence, but also touching on a vast set of scientific disciplines (physics, engineering, medicine, economics, social choice, etc.). The present Special Issue is devoted to introducing new trends on this theory, from an interdisciplinary point of view, and looking for a wide coverage of topics related to fuzzy set and systems.
    Schlagwort(e): QA1-939 ; QC1-999 ; Copulas ; Image processing ; Decision making ; Fuzzy relations ; Labels ; Type-2 fuzzy sets ; Fuzzy logic ; Aggregation operators ; Social choice ; Fuzzy sets ; Extensions of fuzzy sets ; Functional equations ; Numerical representability ; Ordered structures ; General topology ; bic Book Industry Communication::P Mathematics & science
    Sprache: Englisch
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  • 9
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    Polymeric Materials: Surfaces, Interfaces and Bioapplications (2021)
    MDPI - Multidisciplinary Digital Publishing Institute
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    Publikationsdatum: 2023-12-20
    Beschreibung: This book collects the articles published in the Special Issue “Polymeric Materials: Surfaces, Interfaces and Bioapplications”. It shows the advances in polymeric materials, which have tremendous applications in agricultural films, food packaging, dental restoration, antimicrobial systems, and tissue engineering. These polymeric materials are presented as films, coatings, particles, fibers, hydrogels, or networks. The potential to modify and modulate their surfaces or their content by different techniques, such as click chemistry, ozonation, breath figures, wrinkle formation, or electrospray, are also explained, taking into account the relationship between the structure and properties in the final application. Moreover, new trends in the development of such materials are presented, using more environmental friendly and safe methods, which, at the same time, have a high impact on our society.
    Schlagwort(e): Q1-390 ; QC1-999 ; Artificial muscle ; chitosan ; graphene oxide ; antifouling coatings ; tissue engineering ; biodegradable ; polymer cross-linking ; UV/ozone ; inmiscibility ; bioapplications ; antibacterial ; polypropylene ; degradation ; protein-repellent polymer ; micro- and nanopatterned films ; oral biofilms ; bio-based ; composite films ; stimuli-responsive materials/smart surfaces ; surface modification/functionalization ; caries inhibition ; superhydrophobic ; blends ; nanosecond laser surface modification ; biofouling ; degenerative disc disease ; surface-attached polymer network ; total disc replacement ; surface wettability ; bonding agents ; polydimethylsiloxane ; natural biofilms ; Electrical stimulation ; microparticles ; hemicelluloses ; superhydrophilic ; fossil ; surface segregation ; honeycomb ; prolonged drug release ; hydrogel ; conformational entropy ; Electroactive biomaterials ; antimicrobial ; ABS (Acrylonitrile-Butadiene-Styrene) ; intervertebral disc ; calcium chloride ; sustainable ; biodegradable polymers ; friction and wear ; Drug delivery ; alginate modification ; breath figures ; spinal fusion ; blends and (nano)composites ; composites ; antimicrobial polymer ; periodontal pathogens ; polymeric composites ; scaffolds ; corn stalk fiber ; worn surface morphology ; irradiance ; friction composite ; antimicrobial coatings ; gradient wrinkles ; porous surfaces ; Electrically conductive polymers ; oxygen barrier property ; food packaging ; spinal anatomy ; Smart composites ; recycling ; packaging ; hybrids ; bio-based polymers ; coatings ; poly(x-chlorostyrene) ; eco-friendly ; multidimensional scale analysis ; single-stranded conformation polymorphism ; Bioelectric effect ; spray drying ; herniated disc ; bic Book Industry Communication::G Reference, information & interdisciplinary subjects::GP Research & information: general
    Sprache: Englisch
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  • 10
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     Egg Consumption and Human Health (2021)
    MDPI - Multidisciplinary Digital Publishing Institute
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    Publikationsdatum: 2024-04-05
    Beschreibung: The purpose of this Special Issue, “Egg Consumption and Human Health,” is two-fold: 1) to address the lack of effect of eggs in increasing heart disease risk (this discussion will be based on what is known from epidemiological analysis and clinical interventions) and 2) to focus on the role of eggs in protecting against chronic disease. Eggs are more than just a cholesterol-containing food. They possess numerous nutritional benefits. This Special Issue will discuss eggs as a source of high-quality protein for individuals across the life spectrum, as a substantial source of choline (a known neurotransmitter involved in cognitive function), and as a source of highly bioavailable lutein and zeaxanthin (two carotenoids well-recognized for their major role in protecting against age-related macular degeneration and cataracts, as well as for their antioxidant and anti-inflammatory properties). Finally, the potential of incorporating eggs for weight loss interventions, due to their low glycemic index and their satiety effects, will also be discussed.
    Schlagwort(e): QH301-705.5 ; high quality protein ; antioxidant ; Dietary cholesterol ; anti-inflammatory ; Eggs ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences
    Sprache: Englisch
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