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  • temperature
  • DNA-binding by ESR1 and ESR2 is rapidly lost at 37 degrees Celsius in the absence of ligand while in the presence of 17 beta-estradiol and 4-hydroxy-tamoxifen loss in DNA-binding at elevated temperature is more gradual. (abcam.cn)
  • The present study was carried out to determine, first, the cardiac beta -adrenergic receptor characteristics of normal chickens and chickens with heart failure and, second, the characteristics of myocardial beta -adrenergic receptors in non-hypertrophied hearts in broilers exposed to two different altitude and temperature programmes. (kuleuven.be)
  • At both altitudes, beta -adrenergic receptor binding capacity was not significantly different in low temperature compared with normal temperature birds. (kuleuven.be)
  • cells
  • The density of beta -adrenergic receptors was significantly lower in myocardial cells in right ventricular failure birds compared with healthy birds. (kuleuven.be)
  • citation needed
  • citation needed] In statistics, beta may represent type II error, or regression slope. (wikipedia.org)
  • The cytogenetic location of the gene is 4q24, furthermore the condition is inherited in an autosomal recessive manner The pathophysiology of this condition, is better comprehended, if one first looks at the normal function of beta-mannosidase such as its function of breaking down disaccharides[medical citation needed] Beta-mannosidase function is consistent with: A diagnosis of beta-mannosidosis is suspected based on the persons clinical presentation. (wikipedia.org)
  • The classic beta phenomenon experiment[citation needed] involved a viewer watching a screen, upon which the experimenter projected two images in succession. (wikipedia.org)
  • enzyme
  • An enzyme called beta-lactamase is present in many different types of bacteria, which serves to 'break' the beta lactam ring, which effectively nullifies the antibiotic's effectiveness. (princeton.edu)
  • As a response to bacterial resistance to beta-lactam drugs, there are drugs, such as Augmentin / CLA , that are designed to disable the beta-lactamase enzyme. (princeton.edu)
  • Beta-mannosidosis, also called lysosomal beta-mannosidase deficiency, is a disorder of oligosaccharide metabolism caused by decreased activity of the enzyme beta-mannosidase. (wikipedia.org)
  • Beta-secretase 1 ( BACE1 ), also known as beta-site amyloid precursor protein cleaving enzyme 1 , beta-site APP cleaving enzyme 1 , membrane-associated aspartic protease 2 , memapsin-2 , aspartyl protease 2 , and ASP2 , is an enzyme that in humans is encoded by the BACE1 gene . (wikipedia.org)
  • Drugs to block this enzyme (BACE inhibitors) in theory would prevent the buildup of beta-amyloid and (per the Amyloid hypothesis ) may help slow or stop Alzheimers disease. (wikipedia.org)
  • gene
  • Beta thalassemia happens when the gene that controls the production of beta globin is defective. (kidshealth.org)
  • Depending on your family history, if your parents or grandparents suffered from beta thalassemia there is a high probability of the mutated gene being inherited by an offspring. (wikipedia.org)
  • Mosimann C, Hausmann G, Basler K. Beta-catenin hits chromatin: regulation of Wnt target gene activation. (springer.com)
  • decay
  • For example, beta decay of a neutron transforms it into a proton by the emission of an electron, or conversely a proton is converted into a neutron by the emission of a positron (positron emission), thus changing the nuclide type. (wikipedia.org)
  • Neither the beta particle nor its associated neutrino exist within the nucleus prior to beta decay, but are created in the decay process. (wikipedia.org)
  • The probability of a nuclide decaying due to beta and other forms of decay is determined by its nuclear binding energy. (wikipedia.org)
  • Beta decay is a consequence of the weak force, which is characterized by relatively lengthy decay times. (wikipedia.org)
  • Decay times for many nuclides that are subject to beta decay can be thousands of years. (wikipedia.org)
  • Electron capture is sometimes included as a type of beta decay, because the basic nuclear process, mediated by the weak force, is the same. (wikipedia.org)
  • The two types of beta decay are known as beta minus and beta plus. (wikipedia.org)
  • Beta decay conserves a quantum number known as the lepton number, or the number of electrons and their associated neutrinos (other leptons are the muon and tau particles). (wikipedia.org)
  • In the figure to the right, an example of an electron with 0.40 MeV energy from the beta decay of 210Bi is shown. (wikipedia.org)
  • As in single beta decay , this process allows the atom to move closer to the optimal ratio of protons and neutrons. (wikipedia.org)
  • ordinary double beta decay and neutrinoless double beta decay. (wikipedia.org)
  • In ordinary double beta decay, which has been observed in several isotopes, two electrons and two electron antineutrinos are emitted from the decaying nucleus. (wikipedia.org)
  • In neutrinoless double beta decay, a hypothesized process that has never been observed, only electrons would be emitted. (wikipedia.org)
  • The idea of double beta decay was first proposed by Maria Goeppert-Mayer in 1935. (wikipedia.org)
  • In 1937, Ettore Majorana demonstrated that all results of beta decay theory remain unchanged if the neutrino were its own antiparticle, now known as a Majorana particle . (wikipedia.org)
  • In 1939, Wendell H. Furry proposed that if neutrinos are Majorana particles, then double beta decay can proceed without the emission of any neutrinos, via the process now called neutrinoless double beta decay. (wikipedia.org)
  • In 1930-40s, parity violation in weak interactions was not known, and consequently calculations showed that neutrinoless double beta decay should be much more likely to occur than ordinary double beta decay, if neutrinos were Majorana particles. (wikipedia.org)
  • In 1956, after the V-A nature of weak interactions was established, it became clear that the half-life of neutrinoless double beta decay would significantly exceed that of ordinary double beta decay. (wikipedia.org)
  • Despite significant progress in experimental techniques in 1960-70s, double beta decay was not observed in a laboratory until the 1980s. (wikipedia.org)
  • Since then, many experiments have observed ordinary double beta decay in other isotopes. (wikipedia.org)
  • In a typical double beta decay, two neutrons in the nucleus are converted to protons, and two electrons and two electron antineutrinos are emitted. (wikipedia.org)
  • In order for (double) beta decay to be possible, the final nucleus must have a larger binding energy than the original nucleus. (wikipedia.org)
  • For some nuclei, such as germanium-76 , the isobar one atomic number higher ( arsenic-76 ) has a smaller binding energy, preventing single beta decay. (wikipedia.org)
  • However, the isobar with atomic number two higher, selenium-76 , has a larger binding energy, so double beta decay is allowed. (wikipedia.org)
  • Leeuwen
  • List of nearest bright stars Beta Hydri in fiction van Leeuwen, F. (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics, 474 (2): 653-664, arXiv:0708.1752 , Bibcode:2007A&A...474. (wikipedia.org)
  • 2017
  • Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=599245 on 2017-12-06 Photograph of Cuthona beta - Kurasaki Beach, Amami Ōshima. (wikipedia.org)
  • glucose
  • There are a host of benefits of beta hydroxybutyrate, but it is primarily known as a fuel source in the absence of glucose. (nootropedia.com)
  • Within 24 - 72 hours without food, the body no longer uses glucose as the main fuel support system, which is when ketones like beta hydroxybutyrate kick into production. (nootropedia.com)
  • Many of the long-term and neuroprotective benefits of beta hydroxybutyrate are closely linked to reduced carbohydrate and glucose consumption as well . (nootropedia.com)
  • Beta-glucosidase catalyzes the hydrolysis of the glycosidic bonds to terminal non-reducing residues in beta-D-glucosides and oligosaccharides, with release of glucose. (wikipedia.org)
  • minus
  • In 1899, Ernest Rutherford separated radioactive emissions into two types: alpha and beta (now beta minus), based on penetration of objects and ability to cause ionization. (wikipedia.org)
  • The process can be thought as two simultaneous beta minus decays . (wikipedia.org)
  • enzymes
  • The clavulanic acid is designed to overwhelm all beta-lactamase enzymes, bind irreversibly to them, and effectively serve as an antagonist so that the amoxicillin is not affected by the beta-lactamase enzymes. (princeton.edu)
  • synthesis
  • They are forms of thalassemia caused by reduced or absent synthesis of the beta chains of hemoglobin that result in variable outcomes ranging from severe anemia to clinically asymptomatic individuals. (wikipedia.org)
  • HBB blockage over time leads to decreased beta-chain synthesis. (wikipedia.org)
  • The Breckpot synthesis The synthesis of substituted β-lactams from the cyclization of beta amino acid esters using the Grignard reagent Due to ring strain, β-lactams are more readily hydrolyzed than linear amides or larger lactams. (wikipedia.org)
  • protein
  • Plaques form when protein pieces called beta-amyloid (BAY-tuh AM-uh-loyd) clump together. (alz.org)
  • Beta-amyloid comes from a larger protein found in the fatty membrane surrounding nerve cells. (alz.org)
  • Because all the coding sections may still be present, normal hemoglobin may be produced and the added material, if it produces pathology, instead disrupts regulatory functions enough to produce anemia.Hemoblogin's normal alpha and beta subunits each have an iron-containing central portion (heme) that allows the protein chain of a subunit to fold around it. (wikipedia.org)
  • Epoetin beta (rINN) /ɛˈpoʊ.ɪtɪn/ is a synthetic, recombinant form of erythropoietin, a protein that promotes the production of red blood cells. (wikipedia.org)
  • Regulation of Wnt/beta-catenin signaling by protein kinases. (springer.com)
  • Zhurinsky J, Shtutman M. Ben-Ze'ev A. Plakoglobin and beta-catenin: protein interactions, regulation and biological roles. (springer.com)
  • Clinical
  • Because of its rarity, and non-specific clinical findings, beta-mannosidosis can go undiagnosed until adulthood, where it can present with intellectual disability and behavioral problems, including aggression. (wikipedia.org)
  • whereas
  • The phi phenomenon can be considered to be an apparent movement caused by luminous impulses in sequence, (that is to say, it is lights going on and off at regular intervals), whereas the beta movement is an apparent movement caused by lights that do not move, but seem to. (wikipedia.org)
  • companion
  • inferred the possible presence of an unseen companion orbiting Beta Hydri as hinted by radial velocity linear trend with a periodicity exceeding 20 years. (wikipedia.org)
  • It has a 12th magnitude optical companion, Beta Aquilae B, which is 13 arcseconds away in the sky. (wikipedia.org)
  • 1992
  • Beta (Hindi: बेटा, translation: Son) is a 1992 Indian Hindi drama film, directed by Indra Kumar, and written by Naushir Khatau and Kamlesh Pandey. (wikipedia.org)
  • Beta was the highest-grossing Bollywood film of 1992. (wikipedia.org)
  • neutrino
  • It is not yet known whether the neutrino is a Majorana particle and, relatedly, whether neutrinoless double beta exists in nature. (wikipedia.org)
  • known
  • There are few known side effects of beta hydroxybutyrate when consumed in the recommended dosage ranges. (nootropedia.com)
  • Beta Regio is a region of the planet Venus known as a volcanic rise. (wikipedia.org)
  • However, because the October event occurs at night, it is far more visible and better known than the Beta Taurids, which peak the during daylight hours. (wikipedia.org)
  • acid
  • Augmentin / CLA (FGP) is made of amoxicillin , a beta-lactam antibiotic, and clavulanic acid , a beta-lactamase inhibitor. (princeton.edu)
  • refers
  • The term "beta" refers to advice on how to successfully complete a particular climbing route, boulder problem, or crux sequence. (wikipedia.org)
  • In Chinese, 河鼓 (Hé Gŭ), meaning River Drum, refers to an asterism consisting of Beta Aquilae, Altair and Gamma Aquilae. (wikipedia.org)
  • electrons
  • The emission spectrum of the two electrons can be computed in a similar way to beta emission spectrum using Fermi's Golden Rule . (wikipedia.org)
  • form
  • The most damaging form of beta-amyloid may be groups of a few pieces rather than the plaques themselves. (alz.org)
  • This is the most severe form of beta thalassemia. (kidshealth.org)
  • In nature, β-carotene is a precursor (inactive form) to vitamin A via the action of beta-carotene 15,15'-monooxygenase . (wikipedia.org)
  • Epoetin beta is a recombinant form of human erythropoietin which is produced in Chinese hamster ovary cells. (wikipedia.org)
  • These Beta Taurids are the same meteoroid stream as the Taurids (which form a meteor shower in late October). (wikipedia.org)
  • despite
  • Such experiments interestingly show an unusual but important intermediate composed purely of alpha helices, despite the fact that the native structure is beta sheet. (wikipedia.org)
  • individuals
  • Individuals with beta thalassemia major usually present within the first two years of life with severe anemia, poor growth, and skeletal abnormalities during infancy. (wikipedia.org)
  • bacteria
  • Cellulases ( endoglucanases ), cellobiosidases ( exoglucanases ), and beta-glucosidases are required by organisms (some fungi , bacteria ) that can consume it. (wikipedia.org)
  • Bacteria can, however, become resistant against beta-lactam antibiotics by expressing beta-lactamase . (princeton.edu)
  • often
  • Beta is often used to denote a variable in mathematics and physics, where it often has specific meanings for certain applications. (wikipedia.org)
  • Babies with beta thalassemia major often seem healthy immediately after birth but start to develop symptoms within the first 2 years of life. (kidshealth.org)
  • The beta phenomenon is often confused with the phi phenomenon but they are quite different physiologically. (wikipedia.org)
  • several
  • This is some of the only published literature about the performance enhancing effects of beta hydroxybutyrate, though there are several self-experiments. (nootropedia.com)
  • Beta" can be used to refer to several consumer and professional videotape formats developed by Japan's Sony Corporation. (wikipedia.org)
  • The beta-lactam ring is part of the structure of several antibiotic families, the principal ones being the penicillins , cephalosporins , carbapenems , and monobactams , which are, therefore, also called beta-lactam antibiotics . (princeton.edu)
  • release
  • Notung-DM is a beta release and may be buggy. (cmu.edu)
  • Changes between 3.7.beta.RC5 and 3.7.RC6 ---------------------------------------- - This release candidate features continued refinements to the Windows installer, VS10 code (and other) cleanup and a few bug fixes. (povray.org)
  • review
  • 2004. Invited review: beta-lactoglobulin: binding properties, structure, and function. (wikipedia.org)
  • Review the beta design for Hashbabble and provide feedback here for a free list of all your Twitter followers (any account, even if you've already checked out the potential new Instagram design). (google.com)
  • names
  • The names beta and phi are simply the letters "β" and "ϕ" from the Greek alphabet, and have no particular significance beyond separating the two phenomena. (wikipedia.org)
  • people
  • Diets that are low in carbohydrates and high in fatty acids can either prompt the body to produce ketone bodies, such as beta hydroxybutyrate, or allow people to consume them exogenously (outside the body) instead. (nootropedia.com)
  • The benefits of beta hydroxybutyrate are not only for people who are currently experiencing nutritional ketosis. (nootropedia.com)
  • Beta thalassemia can cause anemia ranging from mild to severe and is more common in people of Mediterranean, African, and Southeast Asian descent. (kidshealth.org)
  • human
  • Thymosin β15 : Levels of human thymosin β15 in urine have shown promise as a diagnostic marker for prostate cancer which is sensitive to potential aggressiveness of the tumour Thymosin beta-4 was allegedly used by some players in various Australian football codes. (wikipedia.org)
  • name
  • The name Beta was used as a name during the 2005 Atlantic hurricane season as Hurricane Beta. (wikipedia.org)
  • Beta Breuil was the professional name and nom de plume of Elizabeth Donner Vanderveer. (wikipedia.org)
  • Epoetin beta is marketed under the trade name NeoRecormon, among others. (wikipedia.org)
  • structure
  • The structure of beta-glucosidase A from bacterium Clostridium cellulovorans . (wikipedia.org)
  • A beta-lactam ring ( β -lactam) is a lactam with a heteroatomic ring structure , consisting of three carbon atoms and one nitrogen atom . (princeton.edu)
  • production
  • Betacam, including Beta SP and DigiBeta, is a family of professional videotape formats launched in 1982 that was the de facto standard for professional video, advertising, and television production through the 2000s. (wikipedia.org)
  • found
  • The initial affected individual described in 1986 had a complex phenotype, and was later found to have both beta-mannosidosis and Sanfilippo syndrome. (wikipedia.org)