Your browser does not fully support modern features. Please upgrade for a smoother experience.
Subject:
All Disciplines Arts & Humanities Biology & Life Sciences Business & Economics Chemistry & Materials Science Computer Science & Mathematics Engineering Environmental & Earth Sciences Medicine & Pharmacology Physical Sciences Public Health & Healthcare Social Sciences
Sort by:
Most Viewed Latest Alphabetical (A-Z) Alphabetical (Z-A)
Filter:
All Topic Review Biography Peer Reviewed Entry Video Entry
Topic Review
Media Coverage of Global Warming
Media coverage of global warming has had effects on public opinion on climate change, as it mediates the scientific opinion on climate change that the global temperature has increased in recent decades and that the trend is mainly caused by human-induced emissions of greenhouse gases. Almost all scientific bodies of national or international standing agree with this view, although a few organisations hold non-committal positions. Climate change communication research frequently studies the effectiveness of that media. Some researchers and journalists believe that media coverage of political issues is adequate and fair, while a few feel that it is biased. However, most studies on media coverage of the topic are neither recent nor concerned with coverage of environmental issues. Moreover, they are only rarely concerned specifically with the question of bias. Despite recent trends in increased coverage on climate change, media coverage is not constant, and researchers wonder if the current increase in attention will be sustained.
  • 2.4K
  • 11 Nov 2022
Topic Review
Asian Black Bear
The Asian Black Bear (Ursus thibetanus) is a formidable and iconic species native to various habitats across Asia, from dense forests to mountainous regions. Recognizable by its sleek black fur and distinctive white V-shaped chest marking, this bear species is renowned for its omnivorous diet and remarkable climbing abilities. Despite facing threats such as habitat loss and poaching, conservation efforts aim to protect the Asian Black Bear and its critical role in maintaining the ecological balance of Asian ecosystems.
  • 2.4K
  • 08 Mar 2024
Topic Review
Employee’s MOB and Firm’s IMM
A successful organization depends primarily on employees' effort, attitude, behavior, and interaction. All these factors are employee-related and play a critical role in accomplishing the organization’s strategy. Scholars have confirmed that employees’ attitudes and behaviors positively influence a firm’s accounting measures and stock returns. Therefore, it is crucial for a firm to entice employees to engage in market orientation behavior (MOB) to attain sustainable competitive advantages and excel at business performance. In the early 1970s, Kotler introduced internal marketing and suggested that a firm should market to its employees before marketing to its customers. Soon after the emergence of this concept, firms began to view jobs as products and employees as internal customers. To be successful, a business must retain talented and competent employees; internal marketing can help businesses resolve this issue. Internal marketing is regarded as a model component of service marketing management and a measurable scale for empirical research.
  • 2.4K
  • 29 Jun 2021
Topic Review
Hedonic Price Model-Based Real Estate Appraisal
Hedonic price model-based real estate appraisal is used for evaluating the value of real estate by using multiple regression function models based on the hedonic price theory.
  • 2.4K
  • 20 Apr 2022
Topic Review
Targeted Delivery of Exosomes to the Brain
Delivering therapeutics to the central nervous system (CNS) is difficult because of the blood–brain barrier (BBB). Therapeutic delivery across the tight junctions of the BBB can be achieved through various endogenous transportation mechanisms. Receptor-mediated transcytosis (RMT) is one of the most widely investigated and used methods. Drugs can hijack RMT by expressing specific ligands that bind to receptors mediating transcytosis, such as the transferrin receptor (TfR), low-density lipoprotein receptor (LDLR), and insulin receptor (INSR). Cell-penetrating peptides and viral components originating from neurotropic viruses can also be utilized for the efficient BBB crossing of therapeutics. Exosomes, or small extracellular vesicles, have gained attention as natural nanoparticles for treating CNS diseases, owing to their potential for natural BBB crossing and broad surface engineering capability. RMT-mediated transport of exosomes expressing ligands such as LDLR-targeting apolipoprotein B has shown promising results.
  • 2.4K
  • 13 May 2022
Topic Review
Gold Nanoparticles and Their Biomedical Applications
Gold nanoparticles (AuNPs) have the ability to absorb and scatter light, and can convert optical energy into heat using nonradiative electron relaxation dynamics and surface chemistry. Moreover, gold nanoparticles can be used as drug carriers, making them very attractive and versatile nanoparticles. The features of AuNPs that make them particularly attractive in biomedicine are their excellent stability and biocompatibility, ease to functionalize their surfaces, their low toxicity, and their drug transferability. Other features, such as shape and size adaptation, have certainly drawn attention for the use of gold nanoparticles in many fields.
  • 2.4K
  • 19 May 2022
Topic Review
Structure and Fabrication of MXene-Based Heterostructures
MXene, as an emerging family of 2D nanomaterials, exhibits excellent electrochemical, electronic, optical, and mechanical properties. MXene-based heterostructures have already been demonstrated in applications such as supercapacitors, sensors, batteries, and photocatalysts. Nowadays, increasing research attention is attracted onto MXene-based heterostructures, while there is less effort spent to summarize the current research status.
  • 2.4K
  • 08 Jun 2022
Topic Review
Associations of Linoleic Acid Intake and Chronic Disease
The intake of linoleic acid (LA) has increased dramatically in the standard American diet. LA is generally promoted as supporting human health, but there exists controversy regarding whether the amount of LA currently consumed in the standard American diet supports human health. While LA is considered to be an essential fatty acid and support health when consumed in modest amounts, an excessive intake of LA leads to the formation of oxidized linoleic acid metabolites (OXLAMs), impairments in mitochondrial function through suboptimal cardiolipin composition, and likely contributes to many chronic diseases that became an epidemic in the 20th century, and whose prevalence continues to increase. As LA consumption increases, the potential for OXLAM formation also increases. OXLAMs have been associated with various illnesses, including cardiovascular disease, cancer, and Alzheimer’s disease, among others. Lowering dietary LA intake can help reduce the production and accumulation of OXLAMs implicated in chronic diseases. 
  • 2.4K
  • 25 Jul 2023
Topic Review
Communication Architectures
Communication architecture plays an important role in the intelligent control and autonomous collaboration of UAV (Unmanned Air Vehicle) swarms. And we know that UAV swarm communication architecture technology has already made great progress. When faced with different mission scenarios, there are different communication architectures to choose from. Centralized communication architecture is suitable for scenarios where the UAV swarm is small, and the task is relatively simple. Each individual UAV requires a long-range communication link with the infrastructure. The decentralized communication architecture expands communication coverage through a multi-hop network. The dedicated gateway UAV is responsible for U-T-I (UAV to Infrastructure) communication. The “single-group swarm Ad hoc network” architecture is appropriate for a swarm of the same type UAVs, while “multi-group swarm Ad hoc network” and “multi-layer swarm Ad hoc network” architectures can be deployed using different types of UAVs. In a “multi-group swarm Ad hoc network”, communication between two different groups can also suffer from delays. In addition, in terms of robustness, "multi-layer swarm Ad hoc network" architecture is a relatively reliable system because it overcomes SPOF (Single Point of Failure).
  • 2.4K
  • 12 Apr 2021
Topic Review
Phycobiliproteins
Phycobiliproteins are gaining popularity as long term, high value natural products which can be alternative to synthetic products. This study analyzed research trends of phycobiliproteins from 1909 to 2020 using a bibliometric approach based on the Scopus database. 
  • 2.4K
  • 19 Nov 2021
Topic Review
Prenatal Hypoxia
Prenatal hypoxia is a common complication in pregnancy, developing from various causes. Prenatal hypoxia during the prenatal period can interfere with the developmental trajectory and lead to developing hypertension in adulthood. Prenatal hypoxia is often associated with intrauterine growth restriction that interferes with metabolism and can lead to multilevel changes. 
  • 2.4K
  • 23 Mar 2022
Topic Review
Hybrid Convolutional Neural Network–Bidirectional Long Short-Term Memory
Recognition of lying is a more complex cognitive process than truth-telling because of the presence of involuntary cognitive cues that are useful to lie recognition. Researchers have proposed different approaches in the literature to solve the problem of lie recognition from either handcrafted and/or automatic lie features during court trials and police interrogations.
  • 2.4K
  • 04 Dec 2025
Topic Review
Artemisia (Genus)
Artemisia /ˌɑːrtɪˈmiːziə/ is a large, diverse genus of plants with between 200 and 400 species belonging to the daisy family Asteraceae. Common names for various species in the genus include mugwort, wormwood, and sagebrush. Artemisia comprises hardy herbaceous plants and shrubs, which are known for the powerful chemical constituents in their essential oils. Artemisia species grow in temperate climates of both hemispheres, usually in dry or semiarid habitats. Notable species include A. vulgaris (common mugwort), A. tridentata (big sagebrush), A. annua (sagewort), A. absinthium (wormwood), A. dracunculus (tarragon), and A. abrotanum (southernwood). The leaves of many species are covered with white hairs. Most species have strong aromas and bitter tastes from terpenoids and sesquiterpene lactones, which discourage herbivory, and may have had a selective advantage. The small flowers are wind-pollinated. Artemisia species are used as food plants by the larvae of a number of Lepidoptera species. Some botanists split the genus into several genera, but DNA analysis does not support the maintenance of the genera Crossostephium, Filifolium, Neopallasia, Seriphidium, and Sphaeromeria; three other segregate genera -- Stilnolepis, Elachanthemum, and Kaschgaria -- are maintained by this evidence. Occasionally, some of the species are called sages, causing confusion with the Salvia sages in the family Lamiaceae.
  • 2.4K
  • 03 Nov 2022
Topic Review
Metacognition
Metacognition is an awareness of one's thought processes and an understanding of the patterns behind them. The term comes from the root word meta, meaning "beyond", or "on top of". Metacognition can take many forms, such as reflecting on one's ways of thinking and knowing when and how to use particular strategies for problem-solving. There are generally two components of metacognition: (1) knowledge about cognition and (2) regulation of cognition. Metamemory, defined as knowing about memory and mnemonic strategies, is an especially important form of metacognition. Academic research on metacognitive processing across cultures is in the early stages, but there are indications that further work may provide better outcomes in cross-cultural learning between teachers and students. Writings on metacognition date back at least as far as two works by the Greek philosopher Aristotle (384–322 BC): On the Soul and the Parva Naturalia.
  • 2.4K
  • 14 Nov 2022
Topic Review
Autonomous Sensory Meridian Response
Autonomous sensory meridian response (ASMR), sometimes auto sensory meridian response, is a tingling sensation that typically begins on the scalp and moves down the back of the neck and upper spine. A pleasant form of paresthesia, it has been compared with auditory-tactile synesthesia and may overlap with frisson. ASMR signifies the subjective experience of "low-grade euphoria" characterized by "a combination of positive feelings and a distinct static-like tingling sensation on the skin". It is most commonly triggered by specific auditory or visual stimuli, and less commonly by intentional attention control. A genre of videos which intend to stimulate ASMR has emerged, of which over 13 million are published on YouTube.
  • 2.4K
  • 24 Nov 2022
Topic Review Peer Reviewed
State-of-the-Art Power Factor Correction: An Industry Perspective
On 1 January 2001, the IEC 61000-3-2 regulation became effective. Since then, mitigating current harmonics has been essential to ensure that electronic equipment connected to single-phase power distribution lines conforms to electromagnetic compatibility directives. Today, high-quality rectification, commonly known as power factor correction (PFC), is a well-established technique widely adopted by the industry for powering various devices from the ac line. The topic has been studied by academia and industry since the mid-1980s; thus, an enormous amount of research has been published and countless solutions have been proposed since then. However, only a few of those solutions have encountered wide industrial usage. So, it is not the authors’ intention to provide a comprehensive review, but to take stock of the most used PFC techniques from an industry perspective. This paper will review the power factor theory with non-sinusoidal currents, the practical and regulatory aspects of using PFC, and the most common industry solutions for power factor correction in equipment operated from the single-phase, public, low-voltage supply system, with a special focus on boost PFC pre-regulators, their control methods, design procedures, and issues.
  • 2.4K
  • 25 Sep 2024
Topic Review
Apis mellifera
The current knowledge about viruses of the Western honey bee, Apis mellifera.
  • 2.4K
  • 02 Nov 2020
Topic Review
Hydrogen Production through Heterojunction Semiconductors for Environmental Remediation
Today, as a result of the advancement of technology and increasing environmental problems, the need for clean energy has considerably increased. In this regard, hydrogen, which is a clean and sustainable energy carrier with high energy density, is among the well-regarded and effective means to deliver and store energy, and can also be used for environmental remediation purposes. Renewable hydrogen energy carriers can successfully substitute fossil fuels and decrease carbon dioxide (CO2) emissions and reduce the rate of global warming. Hydrogen generation from sustainable solar energy and water sources is an environmentally friendly resolution for growing global energy demands. Among various solar hydrogen production routes, semiconductor-based photocatalysis seems a promising scheme that is mainly performed using two kinds of homogeneous and heterogeneous methods, of which the latter is more advantageous. During semiconductor-based heterogeneous photocatalysis, a solid material is stimulated by exposure to light and generates an electron–hole pair that subsequently takes part in redox reactions leading to hydrogen production.
  • 2.4K
  • 07 May 2022
Topic Review
Denture Stomatitis Pathogenesis and Presentation
Chronic atrophic candidiasis, commonly referred to as denture stomatitis (DS), is the most prevalent multifactorial, chronic inflammatory oral condition amongst denture wearers. It affects edentulous people who wear complete or partial dentures, as well as those who use intraoral removable orthodontic appliances and obturators. DS most commonly involves the palate and is more likely to be observed in patients with acrylic dentures than prostheses fabricated using other materials.
  • 2.4K
  • 20 Feb 2023
Topic Review
Flexible Wearable Sensor
Sensors are the core of wearable monitoring equipment. In wearable devices (such as wrist strap or chest strap), the sensor will inevitably contact with the skin.
  • 2.4K
  • 27 Oct 2020
  • Page
  • of
  • 2799
Academic Video Service