Encyclopedia
Scanning electron micrograph of a schistosome parasite, which enters the body through the skin of persons coming in contact with infested waters. The adult worm lives in the veins of its host. This parasite has been associated with some cancers. The parasite is magnified x256 in this photograph.
National Cancer Institute
11 Aug 2023
This microscopic image reveals the intricate structure of plant cells, showcasing the distinct components that constitute the fundamental units of plant life. Visible are the rigid cell walls, which provide structural support, and the central vacuole, a key feature in maintaining cell turgor and storing nutrients. Chloroplasts, essential for photosynthesis, are dispersed within the cytoplasm, while the nucleus, containing the cell's genetic material, is centrally located. The plasmodesmata, channels between cells, facilitate communication and transport. This detailed view highlights the complexity and efficiency of plant cellular organization, vital for growth, development, and overall plant health.
08 Jul 2024
Flash radiotherapy delivers radiation at ultra-high dose rates, sparing healthy tissues while targeting tumors. Its theory suggests reduced side effects and improved treatment efficacy. [1]The future prospects of Flash radiotherapy include expanded treatment possibilities, higher tumor control rates, and improved patient outcomes.
29 Jun 2023
Did you know the ocean is full of plastic confetti? These microplastics are sneaky—they’re in our water, seafood, even the air we breathe!
Encyclopedia Editorial Office
24 Sep 2024
The lion (Panthera leo) is a majestic carnivorous mammal renowned for its strength, beauty, and social structure. Found primarily in savannas, grasslands, and open woodlands across sub-Saharan Africa and a small population in the Gir Forest of India, lions are iconic symbols of power and pride. With their distinctive golden coats, impressive manes (in males), and formidable hunting prowess, lions hold a prominent place in the collective imagination and ecological balance of their habitats.
24 Jul 2024
Dr. Gomaa A. M. Ali is an Associate Professor at the Chemistry Department, Faculty of Science, Al-Azhar University, Egypt. He has 15 years of experience working in the research areas of materials science, humidity sensing, graphene, supercapacitors, water treatment, and drug delivery. He was awarded his Ph.D. in Advanced Nanomaterials for Energy Storage from UMP, Malaysia. He is the recipient of some national and international prizes and awards such as ARSCO Award 2022, TWAS-AREP (2018), Obada International Prize (2021), Arab Water Council Award 2022, Individuals Award from ASRT, 2021, Gold Medal (Archimedes, Russia, 2014), Green Technology Award (CITREX, Malaysia, 2015), Gold Medal (British Invention Show, UK, 2015). Dr Gomaa has been included in Stanford University’s List of World’s Top 2% of Scientists, Egypt. Dr. Gomaa has published over 143 journal articles and 22 book chapters on a broad range of cross-disciplinary research fields, including multifunctional materials, nanotechnology, supercapacitor, water treatment, humidity sensing, biosensing, corrosion, and drug delivery. So far, he has more than 5090 citations and an h-index of 43. Dr. Gomaa is an Editor of many international journals and a reviewer for more than 80 WoS journals. Dr. Gomaa is a member of national and international scientific societies, such as TWAS Affiliate, AAS Affiliate, the American Chemical Society, the Royal Society of Chemistry, the National Committee of Pure and Applied Chemistry, and the Egyptian Young Academy of Sciences, ASRT. He is an Editor of many handbooks such as “Waste recycling technologies for nanomaterials manufacturing” Springer, 2021, and “Handbook of Biodegradable Materials” Springer, 2022. Research Interests: Materials Science - Nanoparticles - Graphene - Supercapacitors - Water Treatment.
04 Aug 2023
The four photos include a photo of the concealed weapon and a millimeter wave image of a concealed weapon in false colors.
It also includes the radiation source and the radiating antenna.
11 Aug 2023
Plant cells, unlike animal cells, have rigid cell walls made of cellulose, providing support and protection. They contain a nucleus containing DNA, chloroplasts for photosynthesis, a central vacuole for storage and turgor pressure, mitochondria for energy production, and various organelles like the endoplasmic reticulum and Golgi apparatus for cellular processes. Plasmodesmata facilitate communication between cells.
05 Jun 2024
Dr. Gomaa A. M. Ali is an Associate Professor at the Chemistry Department, Faculty of Science, Al-Azhar University, Egypt. He has 15 years of experience working in the research areas of materials science, humidity sensing, graphene, supercapacitors, water treatment, and drug delivery. He was awarded his Ph.D. in Advanced Nanomaterials for Energy Storage from UMP, Malaysia. He is the recipient of some national and international prizes and awards such as ARSCO Award 2022, TWAS-AREP (2018), Obada International Prize (2021), Arab Water Council Award 2022, Individuals Award from ASRT, 2021, Gold Medal (Archimedes, Russia, 2014), Green Technology Award (CITREX, Malaysia, 2015), Gold Medal (British Invention Show, UK, 2015). Dr Gomaa has been included in Stanford University’s List of World’s Top 2% of Scientists, Egypt. Dr. Gomaa has published over 143 journal articles and 22 book chapters on a broad range of cross-disciplinary research fields, including multifunctional materials, nanotechnology, supercapacitor, water treatment, humidity sensing, biosensing, corrosion, and drug delivery. So far, he has more than 5090 citations and an h-index of 43. Dr. Gomaa is an Editor of many international journals and a reviewer for more than 80 WoS journals. Dr. Gomaa is a member of national and international scientific societies, such as TWAS Affiliate, AAS Affiliate, the American Chemical Society, the Royal Society of Chemistry, the National Committee of Pure and Applied Chemistry, and the Egyptian Young Academy of Sciences, ASRT. He is an Editor of many handbooks such as “Waste recycling technologies for nanomaterials manufacturing” Springer, 2021, and “Handbook of Biodegradable Materials” Springer, 2022. Research Interests: Materials Science - Nanoparticles - Graphene - Supercapacitors - Water Treatment.
03 Aug 2023
SEM micrograph of diatomite
19 Jul 2023
Queensland Bottle Tree (Brachychiton rupestris) is a tree in the family Malvaceae native to Queensland, Australia. They are evergreen trees growing up to 10–25 metres. At first, they grow fast, but later, growing slows down. This tree is drought tolerant but likes plenty of water which it stores between the inner bark and the trunk. This gives it its unique bottle shape.
Jessie Wu
31 Aug 2023
This picture illustrates the main pathways of nociception and the descending pathways of pain modulation, as well as the main mechanisms of action of drugs used in patients at the end of life. It also illustrates the 10 basic rules of pain management for this type of patient [1].
12 Jul 2023
A system for measuring the spectroscopy of various explosives, a laser is shined on the material creating a plasma and irradiating the said plasma with high power millimeter waves and measuring the transmission spectrum.
11 Aug 2023
Examples of duckweed species (Lemnaceae) that could be found around the place where St. Hildegard worked, Bingen at the river Rhine, Germany. A: Spirodela polyrhiza B: Lemna minor
15 Aug 2023
Dr. Gomaa A. M. Ali is an Associate Professor at the Chemistry Department, Faculty of Science, Al-Azhar University, Egypt. He has 15 years of experience working in the research areas of materials science, humidity sensing, graphene, supercapacitors, water treatment, and drug delivery. He was awarded his Ph.D. in Advanced Nanomaterials for Energy Storage from UMP, Malaysia. He is the recipient of some national and international prizes and awards such as ARSCO Award 2022, TWAS-AREP (2018), Obada International Prize (2021), Arab Water Council Award 2022, Individuals Award from ASRT, 2021, Gold Medal (Archimedes, Russia, 2014), Green Technology Award (CITREX, Malaysia, 2015), Gold Medal (British Invention Show, UK, 2015). Dr Gomaa has been included in Stanford University’s List of World’s Top 2% of Scientists, Egypt. Dr. Gomaa has published over 143 journal articles and 22 book chapters on a broad range of cross-disciplinary research fields, including multifunctional materials, nanotechnology, supercapacitor, water treatment, humidity sensing, biosensing, corrosion, and drug delivery. So far, he has more than 5090 citations and an h-index of 43. Dr. Gomaa is an Editor of many international journals and a reviewer for more than 80 WoS journals. Dr. Gomaa is a member of national and international scientific societies, such as TWAS Affiliate, AAS Affiliate, the American Chemical Society, the Royal Society of Chemistry, the National Committee of Pure and Applied Chemistry, and the Egyptian Young Academy of Sciences, ASRT. He is an Editor of many handbooks such as “Waste recycling technologies for nanomaterials manufacturing” Springer, 2021, and “Handbook of Biodegradable Materials” Springer, 2022. Research Interests: Materials Science - Nanoparticles - Graphene - Supercapacitors - Water Treatment.
03 Aug 2023
In 2017, our group won a gold medal in the Invention, Innovation, and Design Exhibition (IIDEX) in Malaysia for our novel treatment system designed to treat kenaf wastewater.
28 Jun 2023
TEM images (a,c) and electron diffraction patterns (b,d) of hybrid NiFe2O4@Au NPs after methionine-directed gold deposition under conditions in Figure: (a,b) Single-stage coating; (c,d) three-stage coating.
04 Jul 2023
Endometrioma of the left ovary. Endometrioma typically contain brown viscous content resembling to melted chocolate, reason why they are sometimes also called “chocolate cysts”. The surgical treatment of choice consists in the laparoscopic excision or fenestration and laser therapy of the cyst with preservation of the ovary.
07 Oct 2023
The system adapted to study human skin properties in the THz.
11 Aug 2023
The photos describe a system to measure the dielectric constant of materials in the THz regime it consists of a backward wave oscillator tube a mirror and lenses and a power measuring device.
11 Aug 2023
