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Topic: Biochip


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In the News (Fri 25 Dec 09)

  
  Biochip
Biochips are a platform that require, in addition to microarray technology, transduction and signal processing technologies to output the results of sensing experiments.
The biochip is used to simultaneously analyze a panel of related tests in a single sample, producing a patient profile.
Biochip Array Technology is a novel application of a familiar methodology, using sandwich, competitive and antibody-capture immunoassays.
www.ibpassociation.org /encyclopedia/Chemistry/Biochip.php   (2056 words)

  
 Biochip technology redefines drug discovery
Biochip technology has redefined the process of drug discovery with partnerships central to accelerating adoption levels and expanding revenues in a market that is reinforced by strong bioinformatics infrastructure and standardisation of array platforms.
Biochips identify and prioritise drug targets based on their ability to corroborate a multitude of gene expressions in parallel.
While biochip technology is undoubtedly innovative and adds real value to the drug development chain, their cost continues to pose a major deterrent to more widespread uptake.
www.drugresearcher.com /news/ng.asp?n=63775-frost-and-sullivan-biochips-bioinformatics   (884 words)

  
  Biochip - Wikipedia, the free encyclopedia
Biochips are a platform that require, in addition to microarray technology, transduction and signal processing technologies to output the results of sensing experiments.
The biochip is used to simultaneously analyze a panel of related tests in a single sample, producing a patient profile.
Biochip Array Technology is a novel application of a familiar methodology, using sandwich, competitive and antibody-capture immunoassays.
en.wikipedia.org /wiki/Biochip   (2013 words)

  
 biochip - a definition from Whatis.com
A biochip is a collection of miniaturized test sites (microarrays) arranged on a solid substrate that permits many tests to be performed at the same time in order to achieve higher throughput and speed.
A genetic biochip is designed to "freeze" into place the structures of many short strands of DNA (deoxyribonucleic acid), the basic chemical instruction that determines the characteristics of an organism.
Biochips helped to dramatically accelerate the identification of the estimated 80,000 genes in human DNA, an ongoing world-wide research collaboration known as the Human Genome Project.
whatis.techtarget.com /definition/0,,sid9_gci211664,00.html   (309 words)

  
 Willson Research Group - Research - Biochip Research   (Site not responding. Last check: 2007-10-21)
Biochips are devices that can contain anywhere from tens to tens of millions of individual sensor elements (or biosensors).
Biochips are often made using the same microfabrication technology used to make microchips.
We are developing a biochip that indexes sensor function to its shape, instead of its position on the chip.
willson.cm.utexas.edu /Research/Sub_Files/Biochip   (397 words)

  
 biochip - a Whatis.com definition   (Site not responding. Last check: 2007-10-21)
A biochip is a collection of miniaturized test sites (microarrays) arranged on a solid substrate that permits many tests to be performed at the same time in order to achieve higher throughput and speed.
A genetic biochip is designed to "freeze" into place the structures of many short strands of DNA (deoxyribonucleic acid), the basic chemical instruction that determines the characteristics of an organism.
Biochips helped to dramatically accelerate the identification of the estimated 80,000 genes in human DNA, an ongoing world-wide research collaboration known as the Human Genome Project.
searchwebservices.techtarget.com /sDefinition/0,,sid26_gci211664,00.html?track=NL-34&ad=501835&offer=114   (305 words)

  
 General Scanning Launches DNA Microarray Biochip Scanner
Microarray biochips are small substrates containing thousands of DNA sequences that represent the genetic codes of a variety of living organisms including human, plant, animal and pathogenic.
Biochip technology is used for genetic expression, DNA sequencing of genes, food and water testing for harmful pathogens, and diagnostic screening.
Biochips may be used in pharmacogenomics and proteomics research aimed at high throughput screening for drug discovery.
www.prnewswire.com /cgi-bin/stories.pl?ACCT=104&STORY=/www/story/2-9-98/412038&EDATE=   (993 words)

  
 [No title]   (Site not responding. Last check: 2007-10-21)
A novel feature of the biochip scanner device 100 is that the objective lens 121 used for both focusing the excitation beam and collecting the fluorescent signal is located in a miniature remote scanning head 118 linked to the rest of the optical path elements by the optical fiber 112.
A biochip scanner device comprising: a laser for emitting a laser beam; a modulator for modulating said laser beam; a scanning head for receiving said modulated laser beam; and a scanning mechanics coupled to said scanning head for moving said scanning head relative to the biochip.
A biochip scanner device as recited in claim 1 wherein said laser includes one of a red or infrared diode laser and wherein said modulator includes a current driver providing a periodic train of current pulses with a period corresponding to a desired modulation frequency.
www.wipo.int /cgi-pct/guest/getbykey5?KEY=01/65241.010907&ELEMENT_SET=DECL   (3242 words)

  
 Biochip detection system - US Patent 6271042   (Site not responding. Last check: 2007-10-21)
Preferably by having the CCD sensor 140 as a two dimensional sensor, the biochip detection system 100 is capable of simultaneously imaging either an entire area or a portion of the biochip 170 (depending on the size of the biochip 170) for light waves emitted by the samples 110.
The configuration of the biochip detection system 100 which includes the light source 150, the lens 120, the sensor filters 130 and 130', the light source filters 160 and 160', and the CCD sensor 140 is similar to the biochip detection system 100 in FIG.
After the biochip detection system 100 is finished detecting and locating the plurality of samples 710 that are labeled with the first fluorescent tag 720, the system 100 is configured to detect and locate the plurality of samples 710 that are labeled with the second fluorescent tag 730.
www.patentstorm.us /patents/6271042.html   (6375 words)

  
 Biochip sets scene for pocket-sized lab - Next - Technology - theage.com.au
Electric biochips enabling fast, low-cost analysis are set to take on the role of traditional laboratories.
Biochips have been around for quite a while but the current systems operate with optical detection techniques - an elaborate and expensive process.
Three companies are already marketing the electric biochip and its measuring technique, while 15 universities and companies are using the technology in research, development and service applications.
www.theage.com.au /news/next/biochip-sets-scene-for-pocketsized-lab/2005/09/26/1127586780082.html?from=moreStories   (626 words)

  
 Biochip: A help in Gene Therapy   (Site not responding. Last check: 2007-10-21)
By integrating state-of-the-art technologies such as biochips, cell-based assays and bioinformatics have established a functional genomics platform for disease gene identification and drug discovery.Technology platform performs comprehensive biochip-based gene expression profiling and cell function profiling to identify disease pathways and genes that are targeted by effective drugs.
Application of these biochips for detection of human polymorphism and mutations, identification of microorganisms and their drug resistant and toxin-bearing strains, and in different fields of biotechnology and medicine will be described.
The performance of the biochip device is illustrated with fluorescence detection of both DNA probes specific to gene fragments of the Mycobacterium Tuberculosis (TB) and the human immuno-deficiency virus (HIV) systems, and of antibody probes targeted to the cancer suppressor gene.
www.pharmainfo.net /exclusive/reviews/biochip:_a_help_in_gene_therapy   (6542 words)

  
 biochip, NYT
Biochips, or microarrays, as they are also known, will bring genomics, the study of all the genes in a living organism, out of the research laboratory and into the daily practice of medicine.
The biochip companies are one of three new industries that piggybacked on the human genome project, the multinational decade-old effort to identify the 100,000 or more genes -- made from the three billion letters or base pairs of nucleotides -- that inform every aspect of human biology.
If biochips are also to aid in quick diagnosis of disease, they need the ability to follow the trail from a gene, which instructs a cell to make a given protein, to the actual proteins produced within the body.
linkage.rockefeller.edu /wli/reading/biochip_nyt99.html   (1686 words)

  
 Biochips and Privacy
A biochip, also called a gene microarray, is a square of glass smaller than a postage stamp, covered with millions of strands of DNA like blades of grass.
Biochips were invented nine years ago by gene scientist Stephen Fodor.
A computer, by varying the wavelength of the scanning beam, determines which of four possible units, called nucleotides, is added to the growing DNA strand anchored to each spot.
www.txtwriter.com /Onscience/Articles/biochips.html   (851 words)

  
 Biochemical Engineering Project
Nucleic acid biochips are used to identify unknown DNA or RNA (nucleic acid strand) via the process of hybridization—or bonding—between an unknown nucleic acid strand and a known nucleic acid strand.
Using biochips as highly sensitive detectors for microbial or organic pollution, they can enable the identification of natural enzymes to be used to detoxify chemical digest pollutants and to clean up contaminated soil and water.
Biochips could be used to precisely match donors and recipients to alleviate the rejection of transplanted organs.
www.rpi.edu /dept/chem-eng/Biotech-Environ/Projects00/biochip/biochip.html   (1138 words)

  
 Biochip and biochip kit, and method of producing the same and method of using the same patent invention
Biochip and biochip kit, and method of producing the same and method of using the same patent invention
Biochip and biochip kit, and method of producing the same and method of using the same
The biochip according to the present invention comprises a well(s) provided with a filter comprising straight pores, with a uniform pore diameter, provided at uniform pore spacings.
www.freshpatents.com /Biochip-and-biochip-kit-and-method-of-producing-the-same-and-method-of-using-the-same-dt20061109ptan20060252044.php   (3007 words)

  
 Invention of the Biochip: True Semiconductor-to-Life Symbioses
This new class of biomaterials ("biochips") can be adapted to many uses, but at present has the sophistication of only the rude crystal detector, as used in early radios and in an improved form in radar sets.
Viability of the living cells is favored since the "biochip" transistor does not need to heat up, as a vacuum tube does, and it responds instantly.
It is anticipated that "biochip" semiconducting materials, based on germanium and silicon, can be made into functional transistors in an integrated process involving many of the steps now employed for integrated circuits.
wings.buffalo.edu /faculty/research/iucb/Biochip.htm   (1190 words)

  
 Biochip technology   (Site not responding. Last check: 2007-10-21)
Biochip is an emerging technology with rapidly increasing impact on genetic diagnostics, drug discovery, and basic research applications.
The biochip format is compatible with many advanced fabrication technologies and is thus amenable to automated manufacture.
Though the first application of biochips was in gene expression monitoring, the strategy of using an ordered array of biomolecules on a chip to examine a biochemical sample is generally applicable.
shasta.mpi-stuttgart.mpg.de /research/Bio/biochip.html   (2104 words)

  
 Biochip technology could become standard diagnositc tool for human, veterinary medicine
Each biochip has hundreds to thousands of gel drops, each about 100 microns in diameter — 100 microns is about the width of an average human hair.
Easy sample preparation, standard operating protocols and a portable biochip reader that is smaller than a lunchbox make the system suitable for use in the field by first responders, military personnel and medical technicians.
Proteome chips, which are biochips displaying all the proteins expressed by an organism at a specific time, provide the ability to screen for new cancer biomarkers, vaccine targets and therapeutic targets, as well as provide a means of characterizing disease states.
www.anl.gov /Media_Center/News/2006/ES061117.html   (850 words)

  
 America's Identity Crisis and the coming of a National ID chip - Christian news by Worthy News
Biochip transponders come in various sizes, the smallest of which is about the size of a grain of rice (about 11 mm---note the enlarged photo of an actual biochip).
The electronic components in the biochip transponder are encapsulated in a small glass tube made of soda lime glass which is known for tissue biocompatibility.
The third component in the biochip tube is a capacitor which stores energy and tunes or facilitates the signal to and from the microchip.
www.worthynews.com /Government/chip.html   (4840 words)

  
 Biochip makes droplet test tubes TRN 022504
Researchers who are developing biochips are taking two distinct approaches in devising ways to shunt tiny amounts of liquids around.
The biochip and its computer controller could eventually be miniaturized and incorporated into portable medical, biological and chemical diagnostic devices, said Jon Schwartz, a research scientist at the University of Texas.
Biochips that manipulate droplets on surfaces have several advantages over those that control fluids in channels, according to Schwartz.
www.trnmag.com /Stories/2004/022504/Biochip_makes_droplet_test_tubes_022504.html   (871 words)

  
 Biochip Technology
Biochip technology is characterised by the miniaturisation of biochemical and molecular analytical techniques.
A biochip the size of a stamp or fingernail can be used to carry out thousands of biological reactions in just a few seconds.
As a result, biochip technology is an interdisciplinary field of research combining biology, chemistry, physics, process engineering, microsystems technology as well as medical technology and biochemistry.
www.bio-pro.de /en/life/thema/00619/index.html   (379 words)

  
 This Biochip Makes Nanoliter Droplet Test Tubes
In this article, Technology Research News says that this biochip "uses an array of electrodes to place water droplets on a surface, insert substances into the droplets, and move and merge the droplets." The device, which has no moving parts, could help to identify pathogen agents in the field.
The biochip and its computer controller could eventually be miniaturized and incorporated into portable medical, biological and chemical diagnostic devices, according to the researchers.
Here is a picture of this biochip, shown as it is loaded with fluorescent dye, moves and mixes droplets to perform biological and medical tests (Credit: M. Anderson Cancer Center).
radio.weblogs.com /0105910/2004/03/07.html   (428 words)

  
 Biochips :: Medical Electronics :: MDMR.net
US demand for biochip products and services is projected to increase 20 percent annually to $2.1 billion in 2008.
Biochips (or microarrays) will account for $875 million of this amount, with the remaining $1.2 billion divided among related instruments, reagents and other consumables, software, and services.
Demand for biochip instruments is projected to exceed $260 million in 2008, up over 13 percent annually from 2003.
mdmr.net /onesource/catalog/Biochips-p-494.html   (718 words)

  
 Fool.com: Biochips Ahoy! [Rule Breaker] October 9, 2000
Biochip making satisfies the first criterion for a Rule Breaker investment: An important and emerging industry.
Affymetrix asserts very broad patent coverage over biochips, and this is a major cause of uncertainty for investors.
Break out the biochips and soda, because tomorrow we'll answer whether there is a top dog and first mover.
www.fool.com /portfolios/rulebreaker/2000/rulebreaker001009.htm   (1059 words)

  
 Disease diagnosis, drug development focus of UH prof's biochip research   (Site not responding. Last check: 2007-10-21)
Leading the way to disease diagnosis and drug development, biochip research at the University of Houston will be presented to an international audience of top nanoscientists next week.
"The biochip industry is a new and nearly billion-dollar industry and is ready to grow 10- to 100-fold very shortly," Pettitt said.
DNA chips, a type of biochip, have DNA molecules attached to a high-tech chip surface and have applications in genetic screening, disease diagnosis and drug development.
www.medicalnewstoday.com /medicalnews.php?newsid=12766   (590 words)

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