Toplam 50 içerik listeleniyor
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Böcek Koleksiyonu - Insect Collection
Exhibit 3: The flight of insects: specimen collection with ten orders of Insecta "The flight of birds has always arisen the curiosity of researchers. For the physiologist, this type of locomotion is one of the most interesting phenomena, but also one of the most mysterious that Nature presents for studying; for the mechanic, the explanation of aerial locomotion is one of the most beautiful problems that one could investigate. But the subject presents special difficulties. The movements...
https://www.biyologlar.com/bocek-koleksiyonu-insect-collection -
Ascaris lumbricoides
Ascaris lumbricoides is otherwise known as the large intestinal roundworm of humans. It looks a lot like a large earthworm, but the two are not related. The earthworm is an annelid; it lives in the soil, feeding on organic debris. A. lumbricoides is a parasitic nematode, or roundworm; adults are found only in the intestines of humans, feeding on intestinal contents as they flow past. If you were to compare the two very carefully, you would note that the earthworm has little tufts of bristles...
https://www.biyologlar.com/ascaris-lumbricoides -
Snake venom helps hydrogels stop the bleeding
A nanofiber hydrogel infused with snake venom may be the best material to stop bleeding quickly, according to Rice University scientists. The hydrogel called SB50 incorporates batroxobin, a venom produced by two species of South American pit viper. It can be injected as a liquid and quickly turns into a gel that conforms to the site of a wound, keeping it closed, and promotes clotting within seconds. Rice chemist Jeffrey Hartgerink, lead author Vivek Kumar and their colleagues reported their...
https://www.biyologlar.com/snake-venom-helps-hydrogels-stop-the-bleeding -
Unpacking embryonic pluripotency
Researchers at EMBL's European Bioinformatics Institute (EMBL-EBI) and the Wellcome Trust- Medical Research Council Cambridge Stem Cell Institute at the University of Cambridge have identified factors that spark the formation of pluripotent cells.
https://www.biyologlar.com/unpacking-embryonic-pluripotency -
DNA damage by ultrashort pulses of intense laser light
DNA damage caused by very low-energy electrons and OH-radicals formed upon irradiation of water by ultrashort pulses of very intense laser light.
https://www.biyologlar.com/dna-damage-by-ultrashort-pulses-of-intense-laser-light -
DNA damage by ultrashort pulses of intense laser light
DNA damage caused by very low-energy electrons and OH-radicals formed upon irradiation of water by ultrashort pulses of very intense laser light.
https://www.biyologlar.com/dna-damage-by-ultrashort-pulses-of-intense-laser-light -
Hybrid cells cause chaos around cancers
Rice University researchers have built a simulation to show how cancerous tumors manipulate blood-vessel growth for their own benefit. Like all cells, those in tumors need access to the body's fine network of blood vessels to bring them oxygen and carry away waste. Tumors have learned to game the process called angiogenesis in which new vessels sprout from existing ones, like branches from a tree. But some details have been hidden until now. The ability to stop tumors through...
https://www.biyologlar.com/hybrid-cells-cause-chaos-around-cancers -
Quantum dots with impermeable shell: A powerful tool for nanoengineering
Images of ZnO quantum dots prepared by the Institute of Physical Chemistry of the Polish Academy of Sciences in Warsaw, taken by transmission electron microscopy. False colors.
https://www.biyologlar.com/quantum-dots-with-impermeable-shell-a-powerful-tool-for-nanoengineering -
Quantum dots with impermeable shell: A powerful tool for nanoengineering
Images of ZnO quantum dots prepared by the Institute of Physical Chemistry of the Polish Academy of Sciences in Warsaw, taken by transmission electron microscopy. False colors.
https://www.biyologlar.com/quantum-dots-with-impermeable-shell-a-powerful-tool-for-nanoengineering -
A 'supergene' underlies genetic differences sexual behaviour in male ruff
The ruff is a Eurasian shorebird that has a spectacular lekking behaviour where highly ornamented males compete for females. Now two groups report that males with alternative reproductive strategies carry a chromosomal rearrangement that has been maintained as a balanced genetic polymorphism for about 4 million years. The two studies, one led by scientists at Uppsala university, are published today in Nature Genetics. Three different types of ruff males occur at the leks of this species....
https://www.biyologlar.com/a-supergene-underlies-genetic-differences-sexual-behaviour-in-male-ruff -
X-rays reveal the photonic crystals in butterfly wings that create color
When you look very close up at a butterfly wing, you can see this patchwork map of lattices with slightly different orientations (colors added to illustrate the domains).
https://www.biyologlar.com/x-rays-reveal-the-photonic-crystals-in-butterfly-wings-that-create-color -
X-rays reveal the photonic crystals in butterfly wings that create color
When you look very close up at a butterfly wing, you can see this patchwork map of lattices with slightly different orientations (colors added to illustrate the domains).
https://www.biyologlar.com/x-rays-reveal-the-photonic-crystals-in-butterfly-wings-that-create-color -
Lizards camouflage themselves by choosing rocks that best match the color of their backs
Resting out in the open on rocks can be a risky business for Aegean wall lizards. Out in these habitats they have nowhere to hide and their backs, which show varying shades of green and brown between individuals, are dangerously exposed to birds hunting in the skies above. New research by Kate Marshall from the University of Cambridge's Department of Zoology and Dr Martin Stevens from the University of Exeter's Centre for Ecology and Conservation, published today in Scientific Reports, shows...
https://www.biyologlar.com/lizards-camouflage-themselves-by-choosing-rocks-that-best-match-the-color-of-their-backs -
5th Congress of European Microbiologists FEMS 2013
The 5th Congress of European Microbiologists (FEMS) will be held in the interesting city of Leipzig from July 21-25, 2013. FEMS brings together 46 member societies from 36 European countries, including over thirty thousand microbiologists. This important microbiology Congress will provide an interesting forum for thousands of European and other international colleagues to appreciate the current state of the art in microbiology during numerous symposia and workshops led by prominent scientists...
https://www.biyologlar.com/5th-congress-of-european-microbiologists-fems-2013 -
The importance of keeping silent...in breast cancer cells
Immunofluorescent breast cancer cells used in this study.
https://www.biyologlar.com/the-importance-of-keeping-silent-in-breast-cancer-cells -
The importance of keeping silent...in breast cancer cells
Immunofluorescent breast cancer cells used in this study.
https://www.biyologlar.com/the-importance-of-keeping-silent-in-breast-cancer-cells -
Ancient algae found deep in tropical glacier
The remains of tiny creatures found deep inside a mountaintop glacier in Peru are clues to the local landscape more than a millennium ago, according to a new study by Rice University, the University of Nebraska-Lincoln and Ohio State University. The unexpected discovery of diatoms, a type of algae, in ice cores pulled from the Quelccaya Summit Dome Glacier demonstrate that freshwater lakes or wetlands that currently exist at high elevations on or near the mountain were also there in earlier...
https://www.biyologlar.com/ancient-algae-found-deep-in-tropical-glacier -
Research reveals trend in bird-shape evolution on islands
In groundbreaking new work, Natalie Wright, a postdoctoral fellow at the University of Montana, has discovered a predictable trend in the evolution of bird shape.
https://www.biyologlar.com/research-reveals-trend-in-bird-shape-evolution-on-islands -
TSRI researchers find 'lead actors' in immune cell development
Authors of the new paper include (left to right) Changchun Xiao, David Nemazee, Alicia Gonzalez Martin and Maoyi Lai of The Scripps Research Institute
https://www.biyologlar.com/tsri-researchers-find-lead-actors-in-immune-cell-development -
Bearded dragons show REM and slow wave sleep
Behavioural sleep is ubiquitous among animals, from insects to man. In humans, sleep is also characterized by brain activity:
https://www.biyologlar.com/bearded-dragons-show-rem-and-slow-wave-sleep -
Bearded dragons show REM and slow wave sleep
Behavioural sleep is ubiquitous among animals, from insects to man. In humans, sleep is also characterized by brain activity:
https://www.biyologlar.com/bearded-dragons-show-rem-and-slow-wave-sleep -
Hepatitis A-like virus identified in seals
Scientists in the Center for Infection and Immunity at Columbia University's Mailman School of Public Health have discovered a new virus in seals that is the closest known relative of the human hepatitis A virus. The finding provides new clues on the emergence of hepatitis A. The research appears in the July/August issue of mBio, the online open-access journal of the American Society for Microbiology. "Until now, we didn't know that hepatitis A had any close relatives, and we thought that only...
https://www.biyologlar.com/hepatitis-a-like-virus-identified-in-seals -
Neuron unites 2 theoretical models on motion detection
As indicated by their name, photoreceptor cells in the eye respond to light: is an image point bright or dark? They do not indicate the direction of a movement.
https://www.biyologlar.com/neuron-unites-2-theoretical-models-on-motion-detection -
A molecular alarm clock awakens resting ovules
Ovarian follicle of fruit fly, with chromosomes stained in green and dKDM5 protein stained in red.
https://www.biyologlar.com/a-molecular-alarm-clock-awakens-resting-ovules -
A molecular alarm clock awakens resting ovules
Ovarian follicle of fruit fly, with chromosomes stained in green and dKDM5 protein stained in red.
https://www.biyologlar.com/a-molecular-alarm-clock-awakens-resting-ovules -
Calcium channel blockers caught in the act at atomic level
Atomic resolution studies of two common calcium channel blockers, one that treats irregular heart beats, and another that controls high blood pressure and angina
https://www.biyologlar.com/calcium-channel-blockers-caught-in-the-act-at-atomic-level -
Calcium channel blockers caught in the act at atomic level
Atomic resolution studies of two common calcium channel blockers, one that treats irregular heart beats, and another that controls high blood pressure and angina
https://www.biyologlar.com/calcium-channel-blockers-caught-in-the-act-at-atomic-level -
Bumblebee genomes create a buzz in the field of pollination
Bees play a key role in our ecosystem and in the world's food supply.
https://www.biyologlar.com/bumblebee-genomes-create-a-buzz-in-the-field-of-pollination -
First fossil facial tumor discovered in a dwarf duck-billed dinosaur from Transylvania
The first-ever record of a tumourous facial swelling found in a fossil has been discovered in the jaw of the dwarf dinosaur Telmatosaurus transsylvanicus, a type of primitive duck-billed dinosaur known as a hadrosaur.
https://www.biyologlar.com/first-fossil-facial-tumor-discovered-in-a-dwarf-duck-billed-dinosaur-from-transylvania -
First evidence of sleep in flight
Frigatebirds reaches a wingspan of over two metres. They are excellent gliders and can cover several hundred kilometers a day.
https://www.biyologlar.com/first-evidence-of-sleep-in-flight -
First evidence of sleep in flight
Frigatebirds reaches a wingspan of over two metres. They are excellent gliders and can cover several hundred kilometers a day.
https://www.biyologlar.com/first-evidence-of-sleep-in-flight -
'Big Data' used to identify new cancer driver genes
This is a structure showing EGFR -- a cancer driver -- in it's active dimer conformation. Red indicates mutations that destroy the protein-protein interface
https://www.biyologlar.com/big-data-used-to-identify-new-cancer-driver-genes -
'Big data' drills down into metabolic details
The same metabolic pathway can produce different results in different bodily tissues. A Rice University algorithm is designed to find those differences.
https://www.biyologlar.com/big-data-drills-down-into-metabolic-details -
'Big data' drills down into metabolic details
The same metabolic pathway can produce different results in different bodily tissues. A Rice University algorithm is designed to find those differences.
https://www.biyologlar.com/big-data-drills-down-into-metabolic-details -
Tracing the evolution of bird reproduction
Birds' reproductive strategies have gone through a series of stages, from dinosaurs to today.
https://www.biyologlar.com/tracing-the-evolution-of-bird-reproduction -
Tracing the evolution of bird reproduction
Birds' reproductive strategies have gone through a series of stages, from dinosaurs to today.
https://www.biyologlar.com/tracing-the-evolution-of-bird-reproduction -
Acorn worm genome reveals gill origins of human pharynx
The acorn worm Saccoglossus kowalevskii is common in brackish, shallow water on the Atlantic coast. Its newly sequenced genome is telling biologists about the genes responsible for pharyngeal gills
https://www.biyologlar.com/acorn-worm-genome-reveals-gill-origins-of-human-pharynx -
Acorn worm genome reveals gill origins of human pharynx
The acorn worm Saccoglossus kowalevskii is common in brackish, shallow water on the Atlantic coast. Its newly sequenced genome is telling biologists about the genes responsible for pharyngeal gills
https://www.biyologlar.com/acorn-worm-genome-reveals-gill-origins-of-human-pharynx -
How do you turn a mosquito's genes on and off?
A microscope image shows a four-segment section of the nervous system of an Aedes aegypti mosquito embryo. The dark purple indicates areas where a gene called "short gastrulation " is being...
https://www.biyologlar.com/how-do-you-turn-a-mosquitos-genes-on-and-off -
How do you turn a mosquito's genes on and off?
A microscope image shows a four-segment section of the nervous system of an Aedes aegypti mosquito embryo. The dark purple indicates areas where a gene called "short gastrulation " is being...
https://www.biyologlar.com/how-do-you-turn-a-mosquitos-genes-on-and-off -
Duguetia Türleri
Duguetia aberrans Duguetia adiscandra Duguetia amazonica Duguetia amplexifolia Duguetia antioquensis Duguetia arenicola Duguetia aripuanae Duguetia asterotricha Duguetia bahiensis Duguetia barteri Duguetia bracteosa Duguetia brevipedunculata Duguetia cadaverica Duguetia calycina Duguetia candollei Duguetia caniflora Duguetia caudata Duguetia cauliflora Duguetia chrysea Duguetia chrysocarpa Duguetia colombiana Duguetia confinis Duguetia confusa Duguetia coriacea Duguetia cuspidata Duguetia...
https://www.biyologlar.com/duguetia-turleri -
Albino Hayvanlar Hakkında İlginç Gerçekler
Tamamen beyaz renkli bir gövde, pembe veya açık mavi gözleri olan bir canlı gördünüz mü? Böyle bir canlı ile karşılaştıysanız o zaman bu canlı albino olabilir.
https://www.biyologlar.com/albino-hayvanlar-hakkinda-ilginc-gercekler -
Rus kıyılarına vuran tuhaf deniz canlısı şaşkınlık yarattı
Chukotka kıyılarında dev "deniz yılanı" benzeri bir canlı görüntülendi.
https://www.biyologlar.com/rus-kiyilarina-vuran-tuhaf-deniz-canlisi-saskinlik-yaratti -
Mayoz Bölünme ve Cinsiyetin Kökeni
Gezegenimizdeki canlılara baktığımızda çok sayıda farklı üreme yöntemi görüyoruz. Fakat hepsini temel olarak iki ana başlık altında inceleyebiliriz: Görsel Telif: Petrovich9 / iStockPhoto
https://www.biyologlar.com/mayoz-bolunme-ve-cinsiyetin-kokeni -
Mayoz Bölünme ve Cinsiyetin Kökeni
Gezegenimizdeki canlılara baktığımızda çok sayıda farklı üreme yöntemi görüyoruz. Fakat hepsini temel olarak iki ana başlık altında inceleyebiliriz: Görsel Telif: Petrovich9 / iStockPhoto
https://www.biyologlar.com/mayoz-bolunme-ve-cinsiyetin-kokeni -
EMB Conference "EMBCON ’19"
Merhabalar, 11-12 Mayıs 2019 tarihlerinde Medipol Üniversitesi’nde gerçekleşecek kendi alanlarında uzmanlanmış bilim insanlarını, mühendisleri ve girişimcileri ağırlayacağımız, ingilizce sunumlardan ve eğitimlerden oluşacak "EMBCON’19" etkinliğimiz
https://www.biyologlar.com/emb-conference-embcon-19 -
Kılıç Dişli Otçul: Su Geyiği
Su geyiği, Çin ve Kore’de yaşayan iki alt-türü olan bir türdür: Çin su geyiği (Hydropotes inermis inermis) ve Kore su geyiği (Hydropotes inermis argyropus).
https://www.biyologlar.com/kilic-disli-otcul-su-geyigi -
Tazmanya canavarı olarak bilinen Sarcophilus harrisii'de biyofloresan özellik gözlemlendi.
Tasmanya canavarı olarak bilinen Sarcophilus harrisii yırtıcı keseli familyası olan keseli sansargiller'den bir hayvan türüdür. Bu familyanın şu an yaşayan en büyük temsilcisidir ve Sarcophilus cinsinin tek üyesidir.
https://www.biyologlar.com/tazmanya-canavari-olarak-bilinen-sarcophilus-harrisii-de-biyofloresan-gozlemlendi- -
Arştırmacılar, İnsanlardan Saklanabilmek İçin Evrimleşmiş Bir Bitki Keşfetti.
Doğadaki renkler, türler arası ve tür içi etkileşimlere aracılık eder. Vahşi hayvanların renk evrimi üzerinde insanların önemli derecede etkileri olmuştur. Yeterince araştırılmamış alan ise ticari bitki hasadının bitkiler üzerindeki etkileridir.
https://www.biyologlar.com/arstirmacilar-insanlardan-saklanabilmek-icin-evrimlesmis-bir-bitki-kesfetti- -
5. International Turkish Congress on Molecular Spectroscopy
We cordially invite you to 5th TURCMOS which will be held online (via ZOOM) between 29-30 January 2022 (Saturday & Sunday). The scope of the congress is to encourage the exchange of ideas and future collaborations all around the world, introduce new techniques and instruments, and present recent developments in this field of research. In TURCMOS 2022, all aspects of spectroscopic methods as well as related computational and theoretical approaches will be considered. Our participants will...
https://www.biyologlar.com/5-international-turkish-congress-on-molecular-spectroscopy