Helix

This is Why DNA Has Its Famous Helix Shape

Researchers at Duke University's Pratt School of Engineering have uncovered a missing link in scientists' understanding of the physical forces that give DNA its famous double helix shape . The study conducted by Piotr Marszalek, a professor of mechanical engineering at Duke said that the f...

Pharmacomechanical Thrombectomy Procedure Adoption to Accelerate Due to More Aggressive Treatment of Deep Vein Thrombosis, According to Millennium Research Group

...e Spray , Bacchus Vascular/Covidien's Trellis-8 Peripheral Infusion System, EKOS Corporation's EKOS EndoWave Peripheral Infusion System and ev3's helix Clot Buster Thrombectomy Device. In order to address the clinical controversy regarding whether PMT should be routinely used as a first-line treatmen...

Helix Biopharma Corp. Begins Trading on the OTCQX International Market Listing as HXBPF

...AURORA, Ontario, June 23 /PRNewswire-FirstCall/ -- helix BioPharma Corp. (TSX, FSE: HBP; OTCQX: HXBPF) anno... www.otcqx.com . "Our OTCQX listing provides helix with enhanced local access to the largest capital ...ervices. "Merriman is very pleased to sponsor helix and to serve as their PAL," said Stephen Nash, man...

ThromCat(R) XT(TM) Thrombectomy Catheter System Receives CE Mark

...ciples as the original ThromCat product, which utilizes a high-speed rotary helix within a flexible atraumatic 7F extraction catheter to safely and effective... first generation disposable device by incorporating an advanced extraction helix technology that improves the product's performance, particularly when used ...

New antibiotics could come from a DNA binding compound that kills bacteria in 2 minutes

...tant bacteria such as MRSA." The compound [Fe2L3]4+ is an iron triple helicate with three organic strands wrapped around two iron centres to give a helix which looks cylindrical in shape and neatly fits within the major groove of a DNA helix. It is about the same size as the parts of a protein that reco...

ASHG hosts fourth annual DNA Day essay contest, supports genetics education efforts

...ting the fourth annual National DNA Day Essay Contest. Celebrated annually on April 25, National DNA Day commemorates the discovery of DNA's double helix and the completion of the Human Genome Project in April 2003. The essay contest is just one of the many DNA Day activities designed to excite students...

Helix in Medical Technology

J. Craig Venter, Ph.D. Receives Double Helix Medal from Cold Spring Harbor Laboratory

Venter Shares Award with James D. Watson, Marilyn & James Simons and Sherry Lansing at Gala New York City Event ROCKVILLE, Md., Nov. 12 /PRNewswire-USNewswire/ -- J. Craig Venter, Ph.D., Founder and President of the J. Craig Venter Institute (JCVI), was awarded the Double Helix Medal from Co...

Helix Receives Approval to Open Sites in Germany for its Ongoing Clinical Trial With Topical Interferon Alpha-2b in Patients With Ano-Genital Warts

... AURORA, Ontario, Sept. 22 /PRNewswire/ -- helix BioPharma announced today that it has received the... clinical sites," said John Docherty, President of helix BioPharma. "The opening of sites in Germany will g...ly applied across the entire affected tissue area. helix anticipates that this will prove highly advantageo...

Join NPR's David Ewing Duncan, Author Jessica Queller and a Panel of Medical and Legal Experts in a 90-Minute Webcast on Genetic Testing, Genomic Medicine and Breast & Ovarian Cancer

... GREENWICH, Conn., May 19 /PRNewswire/ -- helix Health, the first U.S. stand-alone genomic medicin... Genetics Fellow at Yale School of Medicine, and helix Health's Managing Partner will moderate the panel....dcast of the session will soon be available on the helix Health website. http://www.helixhealth.org/ Ab...

Helix Biopharma to Present L-DOS47 Lung Cancer Research Findings at the Fourth International Conference on Tumor Microenvironment in Florence, Italy

... - helix BioPharma Corp. (TSX: HBP /Frankfurt: WKN 918864) .../CNW/Dr. Heman Chao, Vice President of Research at helix BioPharma Corp., a developer of novel cancer thera...g with their critical metabolic functions. About helix BioPharma Corp. ...

Helix BioPharma Corp. Announces Positive Phase II Clinical Results with its Topical Interferon Alpha-2b

... helix BioPharma Corp. AURORA, ON, March 30, 2007 /PRNewswire-FirstCall/ - helix today announced positive results from its phase II...adly applied across a wide treatment surface area. helix anticipates that this will prove highly advantageo...

Helix BioMedix to Discuss Potential of Its Proprietary Peptides at the BIO International Convention

...n both bacterial and fungal infection models. helix BioMedix's peptides are also currently bringing va...f products through various licensing agreements. helix BioMedix will be participating in the BIO Business Forum Partnering Program. In 2007, helix BioMedix has plans to accelerate its entry into th...

Helix in Medical Products

Bio-Rad Helix EIA ENA Screen Bulk Kit

Description: The ANA and ENA assays can be used to screen out patients negative for antinuclear antibodies, which are associated with various systemic rheumatic diseases such as Systemic lupus erythematosus (Lupus), Sjgren's syndrome, mixed connective tissue disease, progressive systemic sclerosis, scleroderma,...
Company:Bio-Rad Laboratories

Bio-Rad Helix EIA Lupus Screening Kit

Description: The ANA and ENA assays can be used to screen out patients negative for antinuclear antibodies, which are associated with various systemic rheumatic diseases such as Systemic lupus erythematosus (Lupus), Sjgren's syndrome, mixed connective tissue disease, progressive systemic sclerosis, scleroderma,...
Company:Bio-Rad Laboratories

Bio-Rad Helix EIA ENA Screen Kit

Description: The ANA and ENA assays can be used to screen out patients negative for antinuclear antibodies, which are associated with various systemic rheumatic diseases such as Systemic lupus erythematosus (Lupus), Sjgren's syndrome, mixed connective tissue disease, progressive systemic sclerosis, scleroderma,...
Company:Bio-Rad Laboratories

Bio-Rad Helix EIA ENA + Screen Bulk Kit

Description: The ANA and ENA assays can be used to screen out patients negative for antinuclear antibodies, which are associated with various systemic rheumatic diseases such as Systemic lupus erythematosus (Lupus), Sjgren's syndrome, mixed connective tissue disease, progressive systemic sclerosis, scleroderma,...
Company:Bio-Rad Laboratories

Bio-Rad Helix EIA ENA + Screen Kit

Description: The ANA and ENA assays can be used to screen out patients negative for antinuclear antibodies, which are associated with various systemic rheumatic diseases such as Systemic lupus erythematosus (Lupus), Sjgren's syndrome, mixed connective tissue disease, progressive systemic sclerosis, scleroderma,...
Company:Bio-Rad Laboratories

Bio-Rad Helix EIA ANA Screen Bulk Kit

Description: The ANA and ENA assays can be used to screen out patients negative for antinuclear antibodies, which are associated with various systemic rheumatic diseases such as Systemic lupus erythematosus (Lupus), Sjgren's syndrome, mixed connective tissue disease, progressive systemic sclerosis, scleroderma,...
Company:Bio-Rad Laboratories

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Helix in Medical Definition

Personalized medicine

...ized medicine; this is a project of Arizona State University and a company called TGen. Aside from academic universities, private programs such as helix Health LLP in New York City provide genetics consultation to accomplish personalized medical care. Their mission is to educate and empower patients an...

Helix in Biological News

55th anniversary of Nobel honoring double helix continues to overlook the late Rosalind Franklin

May 7, 2008, New Rochelle, NY -- As the Nobel Foundation recognizes the 55th anniversary of the discovery of the structure of DNA, the newly formed Rosalind Franklin Society celebrates the contribution of the late Rosalind Franklin, whose crystallographic data made this breakthrough possible. ...

Climbing to new heights in the forest canopy

...orly-understood and is a topic of much ongoing research involving biophysics. After contacting a support, the stem of twining plants winds and forms a helix around the supporting structure. In leaf-climbers, the leaves bend and clasp the supporting structure; while in tendril-bearing plants, the tendrils c...

UC San Diego engineer provides insights to decades-old DNA squabble

...," Arya said. "The scientific community is quite fascinated by DNA and they tend to forget that DNA is rarely present in its naked double-stranded helix form in higher organisms like humans, but that it is always associated with proteins in this complex aggregate we call chromatin," he added. "Undoubte...

What scientists know about jewel beetle shimmer

...crystal in that its straight cells sit on or are used to form the curved structure of its external skeleton. Research shows that when the pitch of the helix of cholesteric liquid crystals is close to the wavelength of visible light, they reflect light with specific wavelengths, leading to brilliant metalli...

Baylor researchers unravel mystery of DNA conformation

...such as replication, transcription and recombination and allows the code to be read. And back to the idea of the "perfect spring" behavior of the DNA helix - "This notion is entirely wrong," said Zechiedrich. "Underwinding is not equal and opposite to overwinding, as predicted, not by a long shot, that's ...

Lithium may help radiation target cancer, spare healthy tissue

... DNA of healthy cells. One of the most serious types of DNA damage is the chromosomal double-stranded break (DSB), in which both strands of the double helix are severed. Even a single unrepaired DSB can be lethal to a cell. Fortunately, the body has several different ways to repair DNA damage. Xia, whos...

Helix in Biological Technology

Double Helix Strengthens its Strategic Pricing and Reimbursement Practice with Hire of Caryn Zieses

NEW YORK, July 20 /PRNewswire/ -- Double Helix Consulting US, a division of London-based Double Helix Development group, today announced the appointment of Caryn Zieses to the position of Senior Consultant. Zieses joins a multidisciplinary team of highly experienced strategic pricing, reimbu...

Double Helix Appoints Ann Stuchiner Vice President of US Consulting Division

SCARSDALE, N.Y., March 30 /PRNewswire/ -- Double Helix Consulting US, a division of London-based Double Helix Development group, today announced the appointment of Ann Stuchiner to the position of Vice President. Stuchiner joins a multidisciplinary team of highly experienced strategic pricing, re...

London-Based Double Helix Consulting Launches US Division for Strategic Pricing, Reimbursement and Market Access Solutions

LONDON, Jan. 26 /PRNewswire/ -- Double Helix Consulting US (DHC US), headed by Andrew M. Baker, President, joins a multidisciplinary team of highly experienced strategic pricing, reimbursement and market access consultants with extensive experience across the healthcare industry as well as strong ...

W. Thomas Hodgson appointed to board of Helix BioPharma Corp.

AURORA, ON, April 7 /PRNewswire-FirstCall/ - Helix BioPharma Corp. (TSX: HBP / Frankfurt: WKN 918864) Helix BioPharma Corp. today announced that the board of directors has increased the authorized number of directors from six to seven and has appointed Mr. W. Thomas Hodgson as director to fi...

Researchers enlist DNA to bring carbon nanotubes' promise closer to reality

...cognize and sort types of CNTs? The DuPont-Lehigh team says this could be related to DNA's ability to form a structure different from its usual double helix by wrapping around the CNTs. An alpha helix, like scotch tape wrapped around a pencil to form a tube, is a common shape seen in proteins, one of t...

Helix BioPharma to Present L-DOS47 Analytical Method Development Findings at 2009 AAPS National Biotechnology Conference

...AURORA, Ontario, June 19 /PRNewswire-FirstCall/ -- helix BioPharma Corp. (TSX, FSE: HBP) today announced that Dr. Heman Chao, chief scientific officer at helix BioPharma Corp., will be presenting a scientific p...ent stability testing of GMP batches of L-DOS47 as helix progresses towards initiating clinical testing wit...

Helix in Biological Products

Human Topoisomerase II, Alpha from USB Corp.

Description:...e II alters the topological state of nucleic acids by passing an intact DNA helix through a transient break which generates a separate DNA helix (1,2) . As a result of its double-stranded DNA passage mechanism, the enzym...
Company:USB Corp.

Human Topoisomerase II, Alpha from USB Corp.

Description:...e II alters the topological state of nucleic acids by passing an intact DNA helix through a transient break which generates a separate DNA helix (1,2) . As a result of its double-stranded DNA passage mechanism, the enzym...
Company:USB Corp.

Helix in Biological Definition

Alpha helix

In proteins , the α helix is a major structural motif in secondary structure . It was first postulated by Linus Pauling , Robert Corey , and Herman Branson in 1951 based on the known crystal structures of amino acids and peptides and Pauling's prediction of planar peptide bond...

Double helix

The term Double helix ( plural helices) describes the structure of DNA as first published by James Watson and Francis Crick in 1953. They showed that DNA is made up of two complementary, antiparallel strands of the bases Guanine , Adenine , Thymine , and Cytosine , covalent...

Actin

...g proteins dictate the formation of either structure since they cross-link actin filaments. Actin filaments have the appearance of a double-stranded helix . Bundles There are two types of actin bundles: parallel and contractile bundles. In parallel bundles, the filaments are spaced 14 nm apart b...

Amino acid

... 8.72 P Pro Proline hydrophobic 115.13 6.30 1.95 10.64 Can disrupt protein folding structures like α helix or β sheet . Q Gln Glutamine hydrophilic 146.15 5.65 2.17 9.13 R Arg Arginine basic 17...

Beta sheet

... one or more prolines . See also : tertiary structure -- α helix -- collagen helix ...

Collagen

...re left-handed triple helices where each strand is, further, a right-handed helix itself. Thus, tropocollagen may be considered to be a coiled coil. Anothe... by forming covalent bonds. The resulting structure is called a collagen helix . Types of collagen Collagen occurs in many places throughout the bo...

Helix in Biological Dictionary

Double helix

In geometry a double helix typically consists of two congruent helices with the same axis, differing by a translation along the axis, which may or may not be half-way. The structure of part of a DNA double helix ... In a double helix the direction of the nucleotides in one s...

Alpha helix

A common motif in the secondary structure of proteins, the alpha helix (α- helix ) is a right- or left-handed coiled conformation, resembling a spring, in which every backbone N-H group donates a hydrogen bond to the backbone... The alpha helix in biology as well as the A and B...

Z-DNA

... Z - DNA is one of the many possible double helical structures of DNA . It is a left-handed double helical structure in which the double helix winds to the left in a zig-zag pattern . Z - DNA is thought to be one of three... left-handed Z - DNA binding. • RNA binding. • double-stran...

Tertiary Structure

...per ... Tertiary structure is basically how the whole thing packs itself; it explains ... CSA of RNA Tertiary Structure . lone basepairs - a helix with a length of 1 ... Pseudoknots are tertiary structure , but the helices that make them up are both ... ...

Sticky ends

...d ... sticky end - an end of DNA in which one strand of the double helix extends a few ... Information about sticky ends in the free online ...h ... sticky end - an end of DNA in which one strand of the double helix extends a few ... DNA end This article relies largely or entirely upo...

Sticky end

... end of DNA in which one strand of the double helix extends a few ... Information about sticky ... end of DNA in which one strand of the double helix extends a few ... sticky end an end of DNA in which one strand of the double helix extends a few units beyond the ... What is the s...