Technique in Biological Definition
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Technique in Biological Definition
... recordings:
1. Intracellular recording. This technique entails impaling a cell, usually a neuron , with ... voltage (current-clamp) across the membrane. This technique is widely used when recording from brain slices ... animals.
2. Extracellular recording. In this technique an electrode is placed on the extracellular ...
... , DNA testing and DNA profiling is a technique to distinguish between individuals of the same ... . Next, the bands of DNA are transferred via a technique called Southern blotting from the agarose gel ... DNA fingerprinting. Recently, an additional technique for genetic fingerprinting has been introduced: ...
... molecular biology as: ... not so much a technique as an approach, an approach from the viewpoint of ... using viruses as a carrier. In such cases, the technique is called viral transduction, and the cells are ... chain reaction is an extremely versatile technique for copying DNA. In brief, PCR allows a single ...
... 1 Background 1.1 Nomenclature 1.2 technique 2 Application 2.1 Safety 2.2 ... devices operating on the same principles. technique Medical MRI most frequently relies on ... contrast agent (such as gadolinium) or using a technique known as "flow-related enhancement" (e.g. 2D and ...
... Chain Reaction (PCR) is a molecular biological technique for amplifying (creating multiple copies of) ... of DNA. Patent wars The PCR technique was patented by Cetus Corporation , where Mullis ... Genetic fingerprinting is a forensic technique used to identify a person by comparing his or her ...
... through study of many disciplines. The Alexander technique and related methods use the study of mannerisms ... can move to another concern. Alexander technique addresses these issues. People who have a limb ... of Dancing A comprehensive Alexander technique site ...
... made disrupting gene expression an accessable technique for many more investigators. So phenotype, rather ... in the yeast genome. Another reverse genetics technique is the application of RNA interference . RNAi ... to humans. Finally, a more difficult genetics technique is the creation of transgenic organisms that ...
... to as non-coding RNA . Exon trapping is a molecular biology technique that exploits the existence of the intron-exon architecture to find new ... pre-mRNA using Morpholino antisense oligos. This has become a standard technique in developmental biology . See also Peptide External ...
... descendants for the life of the transplanted individual. This technique is best used for diseases where the desired cells can be extracted easily, ... patient. The missing gene is now replaced and the disease is cured. This technique is called gene therapy . Three types of viruses are currently used as ...
... led by James Thomson at the University of Wisconsin first developed a technique to isolate and grow the cells. Embryonic stem cell researchers are ... . The Paris University team, lead by Professor Luc Douay, devised a technique which involves three steps: 1. Take haematopoietic stem cells, which are ...
... by following the template on the homologous chromosome . This repair technique is called recombination, and repairs a great many errors. Errors not caught by this technique are weeded out over time through natural selection. Until recently such ...
... decades later. The experimental measurements on which the pair based their action potential theory represent one of the earliest applications of a technique of electrophysiology known as the "voltage clamp". The second critical element of their research was the so-called giant axon of Atlantic squid ( ...
... applications In biochemistry , antibodies are used for immunological identification of proteins, using the Western blot method. A similar technique is used in ELISPOT and ELISA assays, in which detection antibodies are used to detect cell secretions such as cytokines or antibodies. Antibodies ...
... homology is used to determine which parts of the protein are important in structure formation and interaction with other proteins. In a technique called homology modelling, this information is used to predict the structure of a protein once the structure of a homologous protein is known. This ...
... allows scientists to record the electrical activity of individual neurons or fields of neurons, but since it requires invasive surgery, this is a technique usually reserved for lab animals. By placing electrodes on the scalp, electroencephalography (EEG) measures brainwaves, which are the mass changes ...
... Links History It was the Russian botanist Mikhail Tsvet (Mikhail Semyonovich Tsvet) who invented the first chromatography technique in 1901 during his research on chlorophyll . He used liquid-adsorption columns to separate plant pigments . The method was described on December ...
... does not allow long DNA strands to be sequenced, this method works by dividing the long sequence into several consecutive short ones. The basic technique is as follows: A primer that matches the beginning of the DNA to sequence is used to synthesize a short DNA strand complementary to the ...
... homology is used to determine which parts of the protein are important in structure formation and interaction with other proteins. In a technique called homology modelling, this information is used to predict the structure of a protein once the structure of a homologous protein is known. This ...
... such as size, shape, or isoelectric point . Gel Electrophoresis is usually performed for analytical purposes, but may be used as a preparative technique to partially purify molecules to use other methods such as mass spectrometry , PCR , cloning , DNA sequencing , or immuno-blotting for further ...
... term is also sometimes used to refer to any chemical mixing process. Brewing has a very long history, and archeological evidence tells us that this technique was used in ancient Egypt . Descriptions of various beer recipes can be found in Sumerian writings, some of the oldest known writing of any ....
... proposed by Dr Henry Faulds in 1880. In a Royal Institution paper in 1888 and three books ( 1892 , 1893 and 1895 ) Galton wrote about the technique (inadvertently sparking a controversy between Herschel and Faulds that was to last until 1917 ), identifying common pattern in fingerprints and ...
... such as size, shape, or isoelectric point . Gel Electrophoresis is usually performed for analytical purposes, but may be used as a preparative technique to partially purify molecules to use other methods such as mass spectrometry , PCR , cloning , DNA sequencing , or immuno-blotting for further ...
... by a company called Celera Genomics (founded by Craig Venter ) while the HGP was still being pursued. Celera Genomics used a newer, albeit riskier technique called shotgun sequencing and proceeded at a faster pace and at a fraction of the cost of the taxpayer-funded project (approximately $3 billion ...
... use, much reducing impurity reaction problems. Eli Lilly marketed the first such synthetic insulin, Humulin, in 1982 . Genentech Inc developed the technique Lilly used. Modes of administration Unlike many medicines, insulin cannot be taken orally. It is treated in the gastrointestinal tract ...
... Nobel Prize -winning theory of the nerve impulse, published in 1952. Channel's existence was confirmed in the 1970s with an electrical recording technique known as the "patch clamp," which led to a Nobel Prize to Erwin Neher and Bert Sakmann, the technique's inventors. Hundreds if not thousands of ...
... Kary Banks Mullis (born December 28 , 1944 ) is a biochemist . In the 1980s , he invented the polymerase chain reaction (PCR), a central technique in molecular biology which allows the amplification of specified DNA sequences. He was awarded the Nobel Prize in Chemistry and the Japan ...
... different probes specific of one chromosome pair, carrying different amounts of a set of fluorescent dyes, are hybridized to the chromosomes in a technique known as fluorescent in situ hybridization (FISH). This gives each chromosome pair unique spectral characteristics due to the relative amount of ...
... allografts for transplant usually come from non-living donors who have died from fatal brain injury. Living donor liver transplantation is a technique in which a portion of a living person's liver is removed and used to replace the entire liver of the recipient. This was first performed in 1989 for ...
... and southern Europe , but the draining of wetland breeding grounds and better sanitation eliminated it from affluent regions. Sterile insect technique is emerging as a potential method to control malaria-carrying mosquitos. Progress towards transgenic, or genetically modified insects suggests ...
... technique, which researchers use to date when two species diverged by comparing their DNA, deduces elapsed time from the number of differences. The technique was inspired by the once common assumption that the DNA error rate is constant--not just over time, but across all species and every part of a ...
... links Forward genetics One of the first tools available to molecular geneticists is the forward genetic screen . The aim of this technique is to identify mutations that produce a certain phenotype . A mutagen is very often used to accelerate this process. Once mutants have been ...
... high solute concentration to a region of low solute concentration by applying a pressure in excess of the osmotic pressure. This reverse osmosis technique is commonly applied to purify water. Sometimes the term " forward osmosis " is used for osmosis, particularly when used for rehydrating dried food ...
... and increasingly sets these species in a genealogical framework, showing their degrees of interrelatedness using the still somewhat controversial technique of " cladistics ". The primary economic importance of paleontology lies in the use of fossils to determine the age and nature of the rocks that ...
... about their relationship with the host (eg. influences on mortality rate) and relationships between different populations of host species. This technique is commonly applied in fisheries biology , where parasites are used to identify different populations of the same fish. This forms an interesting ...
... of a DNA or RNA strand. Currently, all sequencing is performed using the chain termination method , created by Frederick Sanger . This technique can only be used to identify fairly short sequences at a time (around 300-1000 base pairs on ABI machine), and therefore strategies to have been ...
... X-ray crystallography is a technique in crystallography in which the pattern produced by the diffraction of x-rays through the closely spaced lattice of atoms in a crystal is ...
... , DNA testing and DNA profiling is a technique to distinguish between individuals of the same ... . Next, the bands of DNA are transferred via a technique called Southern blotting from the agarose gel ... DNA fingerprinting. Recently, an additional technique for genetic fingerprinting has been introduced: ...
... molecular biology as: ... not so much a technique as an approach, an approach from the viewpoint of ... using viruses as a carrier. In such cases, the technique is called viral transduction, and the cells are ... chain reaction is an extremely versatile technique for copying DNA. In brief, PCR allows a single ...
... 1 Background 1.1 Nomenclature 1.2 technique 2 Application 2.1 Safety 2.2 ... devices operating on the same principles. technique Medical MRI most frequently relies on ... contrast agent (such as gadolinium) or using a technique known as "flow-related enhancement" (e.g. 2D and ...
... Chain Reaction (PCR) is a molecular biological technique for amplifying (creating multiple copies of) ... of DNA. Patent wars The PCR technique was patented by Cetus Corporation , where Mullis ... Genetic fingerprinting is a forensic technique used to identify a person by comparing his or her ...
... through study of many disciplines. The Alexander technique and related methods use the study of mannerisms ... can move to another concern. Alexander technique addresses these issues. People who have a limb ... of Dancing A comprehensive Alexander technique site ...
... made disrupting gene expression an accessable technique for many more investigators. So phenotype, rather ... in the yeast genome. Another reverse genetics technique is the application of RNA interference . RNAi ... to humans. Finally, a more difficult genetics technique is the creation of transgenic organisms that ...
Aseptic technique in microbiology
... Microbiologists and students of microbiology may use an aseptic technique to attempt to keep specimens of microorganisms free of microbial contamination. People may commonly use the aseptic technique when transferring bacteria from one test tube or flask to another. ...... to as non-coding RNA . Exon trapping is a molecular biology technique that exploits the existence of the intron-exon architecture to find new ... pre-mRNA using Morpholino antisense oligos. This has become a standard technique in developmental biology . See also Peptide External ...
... descendants for the life of the transplanted individual. This technique is best used for diseases where the desired cells can be extracted easily, ... patient. The missing gene is now replaced and the disease is cured. This technique is called gene therapy . Three types of viruses are currently used as ...
Restriction fragment length polymorphism
... sequences) by which they may be distinguished, and as the laboratory technique which uses this characteristic to compare DNA molecules. The technique is utilized in genetic fingerprinting and paternity testing . ...... led by James Thomson at the University of Wisconsin first developed a technique to isolate and grow the cells. Embryonic stem cell researchers are ... . The Paris University team, lead by Professor Luc Douay, devised a technique which involves three steps: 1. Take haematopoietic stem cells, which are ...
... by following the template on the homologous chromosome . This repair technique is called recombination, and repairs a great many errors. Errors not caught by this technique are weeded out over time through natural selection. Until recently such ...
... decades later. The experimental measurements on which the pair based their action potential theory represent one of the earliest applications of a technique of electrophysiology known as the "voltage clamp". The second critical element of their research was the so-called giant axon of Atlantic squid ( ...
... applications In biochemistry , antibodies are used for immunological identification of proteins, using the Western blot method. A similar technique is used in ELISPOT and ELISA assays, in which detection antibodies are used to detect cell secretions such as cytokines or antibodies. Antibodies ...
... homology is used to determine which parts of the protein are important in structure formation and interaction with other proteins. In a technique called homology modelling, this information is used to predict the structure of a protein once the structure of a homologous protein is known. This ...
... allows scientists to record the electrical activity of individual neurons or fields of neurons, but since it requires invasive surgery, this is a technique usually reserved for lab animals. By placing electrodes on the scalp, electroencephalography (EEG) measures brainwaves, which are the mass changes ...
... Links History It was the Russian botanist Mikhail Tsvet (Mikhail Semyonovich Tsvet) who invented the first chromatography technique in 1901 during his research on chlorophyll . He used liquid-adsorption columns to separate plant pigments . The method was described on December ...
... does not allow long DNA strands to be sequenced, this method works by dividing the long sequence into several consecutive short ones. The basic technique is as follows: A primer that matches the beginning of the DNA to sequence is used to synthesize a short DNA strand complementary to the ...
... homology is used to determine which parts of the protein are important in structure formation and interaction with other proteins. In a technique called homology modelling, this information is used to predict the structure of a protein once the structure of a homologous protein is known. This ...
... such as size, shape, or isoelectric point . Gel Electrophoresis is usually performed for analytical purposes, but may be used as a preparative technique to partially purify molecules to use other methods such as mass spectrometry , PCR , cloning , DNA sequencing , or immuno-blotting for further ...
... term is also sometimes used to refer to any chemical mixing process. Brewing has a very long history, and archeological evidence tells us that this technique was used in ancient Egypt . Descriptions of various beer recipes can be found in Sumerian writings, some of the oldest known writing of any ....
... proposed by Dr Henry Faulds in 1880. In a Royal Institution paper in 1888 and three books ( 1892 , 1893 and 1895 ) Galton wrote about the technique (inadvertently sparking a controversy between Herschel and Faulds that was to last until 1917 ), identifying common pattern in fingerprints and ...
... such as size, shape, or isoelectric point . Gel Electrophoresis is usually performed for analytical purposes, but may be used as a preparative technique to partially purify molecules to use other methods such as mass spectrometry , PCR , cloning , DNA sequencing , or immuno-blotting for further ...
... by a company called Celera Genomics (founded by Craig Venter ) while the HGP was still being pursued. Celera Genomics used a newer, albeit riskier technique called shotgun sequencing and proceeded at a faster pace and at a fraction of the cost of the taxpayer-funded project (approximately $3 billion ...
... use, much reducing impurity reaction problems. Eli Lilly marketed the first such synthetic insulin, Humulin, in 1982 . Genentech Inc developed the technique Lilly used. Modes of administration Unlike many medicines, insulin cannot be taken orally. It is treated in the gastrointestinal tract ...
... Nobel Prize -winning theory of the nerve impulse, published in 1952. Channel's existence was confirmed in the 1970s with an electrical recording technique known as the "patch clamp," which led to a Nobel Prize to Erwin Neher and Bert Sakmann, the technique's inventors. Hundreds if not thousands of ...
... Kary Banks Mullis (born December 28 , 1944 ) is a biochemist . In the 1980s , he invented the polymerase chain reaction (PCR), a central technique in molecular biology which allows the amplification of specified DNA sequences. He was awarded the Nobel Prize in Chemistry and the Japan ...
... different probes specific of one chromosome pair, carrying different amounts of a set of fluorescent dyes, are hybridized to the chromosomes in a technique known as fluorescent in situ hybridization (FISH). This gives each chromosome pair unique spectral characteristics due to the relative amount of ...
... allografts for transplant usually come from non-living donors who have died from fatal brain injury. Living donor liver transplantation is a technique in which a portion of a living person's liver is removed and used to replace the entire liver of the recipient. This was first performed in 1989 for ...
... and southern Europe , but the draining of wetland breeding grounds and better sanitation eliminated it from affluent regions. Sterile insect technique is emerging as a potential method to control malaria-carrying mosquitos. Progress towards transgenic, or genetically modified insects suggests ...
... technique, which researchers use to date when two species diverged by comparing their DNA, deduces elapsed time from the number of differences. The technique was inspired by the once common assumption that the DNA error rate is constant--not just over time, but across all species and every part of a ...
... links Forward genetics One of the first tools available to molecular geneticists is the forward genetic screen . The aim of this technique is to identify mutations that produce a certain phenotype . A mutagen is very often used to accelerate this process. Once mutants have been ...
... high solute concentration to a region of low solute concentration by applying a pressure in excess of the osmotic pressure. This reverse osmosis technique is commonly applied to purify water. Sometimes the term " forward osmosis " is used for osmosis, particularly when used for rehydrating dried food ...
... and increasingly sets these species in a genealogical framework, showing their degrees of interrelatedness using the still somewhat controversial technique of " cladistics ". The primary economic importance of paleontology lies in the use of fossils to determine the age and nature of the rocks that ...
... about their relationship with the host (eg. influences on mortality rate) and relationships between different populations of host species. This technique is commonly applied in fisheries biology , where parasites are used to identify different populations of the same fish. This forms an interesting ...
... of a DNA or RNA strand. Currently, all sequencing is performed using the chain termination method , created by Frederick Sanger . This technique can only be used to identify fairly short sequences at a time (around 300-1000 base pairs on ABI machine), and therefore strategies to have been ...
... X-ray crystallography is a technique in crystallography in which the pattern produced by the diffraction of x-rays through the closely spaced lattice of atoms in a crystal is ...
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(Date:11/24/2009)...vailable in Spanish . , The presence of inc...flammatory substances in the blood, hinders the lo...esearch project of the University of Navarra condu...he School of Pharmacy. , The project, entitled "...to the control of body weight and inflammation," e...
(Date:11/23/2009)...r 23, 2009 - The time of day matters to forest tre...produced by a research team led by Professor Malco...ice-principal for research and colleagues in the d...eorge campus. , Capitalizing on their previous... research team examined how poplar trees use their...
(Date:11/23/2009)... A new study provides "incontrovertible evidence" ...land of Sumatra about 73,000 years ago deforested ...picenter, researchers report. , The volcano ejec...the atmosphere, leaving a crater (now the world,s ... and 35 kilometers wide. Ash from the event has be...
Breaking Biology News(10 mins):It can be predicted the reaction obese patients will have to a diet 2Time of day matters to thirsty trees, U of T researcher discovers 2Supervolcano eruption -- in Sumatra -- deforested India 73,000 years ago 2New Online Service Uses Video Instruction to Simplify Physical Therapy Exercises 59185 1New Online Service Uses Video Instruction to Simplify Physical Therapy Exercises 59185 2New Online Service Uses Video Instruction to Simplify Physical Therapy Exercises 59185 3New Online Service Uses Video Instruction to Simplify Physical Therapy Exercises 59185 4Chews 4 Health Dietary Supplements to be Featured on 26apos 3BBeauty Spaces 26apos 3B 59181 1Chews 4 Health Dietary Supplements to be Featured on 26apos 3BBeauty Spaces 26apos 3B 59181 2Chews 4 Health Dietary Supplements to be Featured on 26apos 3BBeauty Spaces 26apos 3B 59181 3National Nutrient Database Updated to Include Vitamin D Values 59177 1National Nutrient Database Updated to Include Vitamin D Values 59177 2National Nutrient Database Updated to Include Vitamin D Values 59177 3National Nutrient Database Updated to Include Vitamin D Values 59177 4(Date:11/26/2009)...sequestering drug tetrathiomolybdate (TM) has been... of Wilson disease, a disease caused by an overloa...much is known. Very little, however, is known abou... new study led by Northwestern University research...-dimensional structure of TM bound to copper-loade...
(Date:11/26/2009)... No more letters from the North Pole, ...d text messages from Santa , ...ease operational efficiencies at the North Pole Sa...p children all over the globe informed of his Chri...ta’s research department have identified a l...
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(Date:11/25/2009)...SCITY,Mo.,Nov.25/PRNewswire/--TheBartleHallConvent...dicalcliniconDec.9-10,whenKansasCityhoststhelatest..., "Thisfreecliniceventhasthepotentialtobethebig...justoneandbeheldonweekdaysinsteadofoveraweekend,"S...hClinicandpresidentoftheNationalAssociationofFreeC...
(Date:11/25/2009)...TO,Nov.25/PRNewswire/-SentinelleMedicalInc.,aleadi...tionsoftwarelaunchesasuiteofnewleadingedgeclinical...atformatthisyear,sRadiologicalSocietyofNorthAmeric...oth5800,HallA).Theapplicationsleveragetheuniquehig...Iimagingcoilsandsupportmultipleimagingmodalitiesfo...
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