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
Serum Th1 Cytokines in Alopecia Areata
It was suggested that T helper 1 (Th1) cells have an essential role in the development of alopecia areata. They produce IL-2, IFN-γ, IL-12, IL-18, and IL-23, which positively feed back to promote further Th1 cell differentiation.
  • 1.7K
  • 14 Dec 2021
Topic Review
Waste Rubber Particles
One of the environmental problems causing concern in the world today is the black pollution caused by the accumulation of waste rubber resources. Rubber concrete can help solve the black pollution problem caused by waste rubber tires, but it is undeniable that rubber particles will reduce the mechanical properties of concrete. Research on waste rubber particles, particle size and properties are needed for the modification of rubberized concrete.
  • 1.7K
  • 22 Jul 2022
Topic Review
Real-Time Water Quality Monitoring with Chemical Sensors
Water quality is one of the most critical indicators of environmental pollution and it affects all of us. Water contamination can be accidental or intentional and the consequences are drastic unless the appropriate measures are adopted on the spot. 
  • 1.7K
  • 09 Sep 2022
Topic Review
Cerebral Edema
Cerebral edema is excess accumulation of fluid (edema) in the intracellular or extracellular spaces of the brain. This typically causes impaired nerve function, increased pressure within the skull, and can eventually lead to direct compression of brain tissue and blood vessels. Symptoms vary based on the location and extent of edema and generally include headaches, nausea, vomiting, seizures, drowsiness, visual disturbances, dizziness, and in severe cases, coma and death. Cerebral edema is commonly seen in a variety of brain injuries including ischemic stroke, subarachnoid hemorrhage, traumatic brain injury, subdural, epidural, or intracerebral hematoma, hydrocephalus, brain cancer, brain infections, low blood sodium levels, high altitude, and acute liver failure. Diagnosis is based on symptoms and physical examination findings and confirmed by serial neuroimaging (computed tomography scans and magnetic resonance imaging). The treatment of cerebral edema depends on the cause and includes monitoring of the person's airway and intracranial pressure, proper positioning, controlled hyperventilation, medications, fluid management, steroids. Extensive cerebral edema can also be treated surgically with a decompressive craniectomy. Cerebral edema is a major cause of brain damage and contributes significantly to the mortality of ischemic strokes and traumatic brain injuries. As cerebral edema is present with many common cerebral pathologies, the epidemiology of the disease is not easily defined. The incidence of this disorder should be considered in terms of its potential causes and is present in most cases of traumatic brain injury, central nervous system tumors, brain ischemia, and intracerebral hemorrhage. For example, malignant brain edema was present in roughly 31% of people with ischemic strokes within 30 days after onset.
  • 1.7K
  • 07 Nov 2022
Topic Review
Wearable Devices to Characterize Animal Behavior
The information that can be deduced from animal behaviors is diverse. Unlike in the past, these behaviors can now be monitored for extended periods of time, thanks to the many advanced tools and sensors. The changes in behavioral patterns can provide many indications and clues about various aspects of the animals’ needs and status.
  • 1.7K
  • 13 Jan 2025
Topic Review
Zinc in Neurological Diseases
Zinc is a trace element essential for human survival, and its deficiency has been linked to various adverse effects, such as growth retardation, impaired functioning of the immune system, and cognitive dysfunction.
  • 1.7K
  • 13 Jan 2023
Topic Review
Piezoelectric MEMS Laterally Vibrating Resonators
Piezoelectric MEMS Laterally Vibrating Resonators (LVRs), which belong to one type of micromachined resonators that uses piezoelectric transduction, are characterized by dominant mechanical vibration in the lateral direction (within the plane of the device). In piezoelectric MEMS LVRs, the electric field is mainly applied across the thickness of the piezoelectric film to generate a lateral strain within the plane of the device with suspended free edges. Due to the lithographically definable resonant frequency, piezoelectric LVRs feature wide operation frequency coverage (from tens of MHz to several GHz) and provide a pathway towards realizing a multi-frequency integrated solution on a single chip. Depending on the structure of resonators, piezoelectric MEMS LVRs can be categorized into two types. The first type of LVRs consists of a piezoelectric film, both as the transducer and acoustic cavity. The second type of LVRs uses the thin piezoelectric film as a transducer only while having most of the acoustic energy propagating in the underlying thicker substrate. Such resonators are usually referred to as thin-film piezoelectric-on-substrate (TPoS) resonators. Typical applications of piezoelectric MEMS LVRs include resonant sensors, oscillators and RF filters.
  • 1.7K
  • 14 Sep 2020
Topic Review
MYC
Despite the advancements in cancer treatments, gastric cancer is still one of the leading causes of death worldwide. In this context, it is of great interest to discover new and more effective ways of treating this disease. Accumulated evidences have demonstrated the amplification of 8q24.21 region in gastric tumors. Furthermore, this is the region where the widely known MYC oncogene and different microRNAs are located. MYC deregulation is key in tumorigenesis in various types of tissues, once it is associated with cell proliferation, survival, and drug resistance. microRNAs are a class of noncoding RNAs that negatively regulate the protein translation, and which deregulation is related with gastric cancer development. However, little is understood about the interactions between microRNAs and MYC. Here, we overview the MYC role and its relationship with the microRNAs network in gastric cancer aiming to identify potential targets useful to be used in clinic, not only as biomarkers, but also as molecules for development of promising therapies.
  • 1.7K
  • 27 Oct 2020
Topic Review
Panic Buying
This entry reviews some of the social psychological factors that influence the spread of panic buying. They include social influence and social trust. For a more comprehensive review of the causes of panic buying, refer to creator's publication below [1].
  • 1.7K
  • 02 Nov 2020
Topic Review
SPE influence on GTEs coatings
Solid particles erosion (SPE) has and is still one of the main challenges that faces the gas turbine engines (GTE) industry, especially when such systems are utilized in harsh environments. This is because the impingement mechanism of the particles on the blades surface causes them to structurally deform, and hence the system performance gets degraded continuously with the operational lifetime. In order to reduce the impact caused by SPE on gas turbines, it is crucial to know before hands the surrounding environment in which the system will be operating, clearly understand how SPE mechanism behaves with different surface materials, select the appropriate blade material that can balance between the performance of the GTE and SPE resistance, and more advance cases use surface coatings.
  • 1.7K
  • 27 Oct 2020
Topic Review
Solar Mobility
As proposed by CEA-INES (namely the French National Institute for Solar Energy) [1], the concept of solar mobility seeks a synergy between the following three systems: EVs, PV systems and the electricity network. The basic idea is to combine a standard grid-connected PV system with standard EVs, also connected to the grid [2]. In the extended solar mobility scope, the energy prosumers are equipped with their own renewable energy systems, electrical storage, EVs and other electrical appliances. The buildings are connected into a renewable energy sharing microgrid, in which the surplus renewable production can be delivered from one building to another. Such energy sharing network provides a platform for the buildings in a micro grid to share their surplus renewable energy generations with other buildings, thus helping enhance the overall cluster-level performances. The energy sharing micro grid is also connected to the power grid, in case there is surplus/insufficient cluster-level renewable generations and electricity exchanges with the power grid is needed. The power exchange of the building cluster with the power grid will be metered by advanced metering facilities.
  • 1.7K
  • 28 Jan 2022
Topic Review
Targeting Tumor-Associated Macrophages
Immune checkpoint inhibitors (ICIs) represent a promising therapeutic intervention for a variety of advanced/metastatic solid tumors, including melanoma, but in a large number of cases, patients fail to establish a sustained anti-tumor immunity and to achieve a long-lasting clinical benefit. Cells of the tumor micro-environment such as tumor-associated M2 macrophages (M2-TAMs) have been reported to limit the efficacy of immunotherapy, promoting tumor immune evasion and progression. 
  • 1.7K
  • 06 May 2021
Topic Review
Polylactic Acid Composites
Sustainability is the prime focus nowadays; hence researchers are keen on developing sustainable materials. Green composites are the type of the materials that are derived from natural sources that do not have any impact on the environment since its inception to the end of its life. The main objective of this paper is to given a comprehensive review of polylactic acid compoistes reinforced with natural fibers focusing on jute and flax. This article has reported the recent progress that has happend in the area of polylactic acid focuing on the improvement of interfacial adhesion between fibers and matrix which leads to the improvement of mechanical properties.
  • 1.7K
  • 16 Apr 2021
Topic Review
AHR and NRF2 in Atopic Dermatitis
Skin is constantly exposed to environmental insults, including toxic chemicals and oxidative stress. These insults often provoke perturbation of epidermal homeostasis and lead to characteristic skin diseases. AHR (aryl hydrocarbon receptor) and NRF2 (nuclear factor erythroid 2-related factor 2) are transcription factors that induce a battery of cytoprotective genes encoding detoxication and antioxidant enzymes in response to environmental insults. In addition to their basic functions as key regulators of xenobiotic and oxidant detoxification, it has been revealed that AHR and NRF2 also play critical roles in the maintenance of skin homeostasis. In fact, specific disruption of AHR function in the skin has been found to be associated with the pathogenesis of various skin diseases, most prevalently atopic dermatitis (AD).
  • 1.7K
  • 19 Apr 2022
Topic Review
Storytelling as an Educational Tool in Sustainable Education
An increase in ecological illiteracy in society and lost contact with nature seem to occur within the now-growing generation. To transform both education and society, transformative learning must be adopted. The capacity of storytelling should be emphasized to make sustainability more easily accessible. Storytelling as a pedagogical tool for learning sustainability is still a bit overshadowed, but the idea of sustainability can be traced far back in aboriginal cultures, where storytelling has been used to transfer traditional knowledge from one generation to the next.
  • 1.7K
  • 15 Mar 2022
Topic Review
Implantation (Human Embryo)
In humans implantation is the stage in the development of the body in which the blastocyst hatches as the embryo, and adheres to the wall of the uterus, as the conceptus. Once this adhesion is successful, the female is considered to be pregnant and the embryo will receive oxygen and nutrients from the mother in order to grow. Implantation of a fertilized ovum usually takes place around nine days after ovulation but can range between six and twelve days.
  • 1.7K
  • 12 Oct 2022
Topic Review
Climate-Smart Agriculture in Democratic Republic of Congo
Climate-smart agriculture (CSA) is one of the innovative approaches for sustainably increasing the agricultural productivity, improving livelihoods and incomes of farmers, while at the same time improving resilience and contributing to climate change mitigation. In spite of the fact that there is neither explicit policy nor practices branded as CSA in Democratic Republic of Congo (DRC), farmers are utilizing an array of farming practices whose attributes meet the CSA criteria. 
  • 1.7K
  • 01 Nov 2022
Topic Review
Impact of ESG Performance on Firm Value
The integration of Environmental, Social and Governance (ESG) factors has attracted a great deal of attention from the business media. The reason for this is that ESG is regarded as a method of increasing firm value and improving financial performance. Companies are gradually recognizing the importance of ESG.
  • 1.7K
  • 28 Nov 2022
Topic Review
Spatial Energy Planning
Spatial Energy Planning seems to be an unexploited tool with the potential to provide significant insight into a planning process that could prevent conflicts when integrating renewable energy technologies into electric systems.
  • 1.7K
  • 16 Jun 2021
Topic Review
T Lymphocyte and CAR-T Cell-Derived Extracellular Vesicles
Extracellular vesicles (EV) are a very diverse group of cell-derived vesicles released by almost all kind of living cells. EV are involved in intercellular exchange, both nearby and systemically, since they induce signals and transmit their cargo (proteins, lipids, miRNAs) to other cells, which subsequently trigger a wide variety of biological responses in the target cells. However, cell surface receptor-induced EV release is limited to cells from the immune system, including T lymphocytes. T cell receptor activation of T lymphocytes induces secretion of EV containing T cell receptors for antigen and several bioactive molecules, including proapoptotic proteins. These EV are specific for antigen-bearing cells, which make them ideal candidates for a cell-free, EV-dependent cancer therapy.
  • 1.7K
  • 29 Mar 2022
  • Page
  • of
  • 2728
Featured Entry Collections
>>

Featured Reprints

>>
Encyclopedia of Digital Society, Industry 5.0 and Smart City
Encyclopedia of Engineering
Encyclopedia of Social Sciences
Encyclopedia of Medieval Royal Iconography
Academic Video Service
Feedback