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Topic: Polysaccharide


In the News (Sat 14 Nov 09)

  
  Polysaccharide structure
Regular ordered polysaccharides, in general, are capable of assuming only a limited number of conformations due to severe steric restrictions on the freedom of rotation of sugar units about the interunit glycosidic bonds.
The degree of stiffness and regularity of polysaccharide chains is likely to affect the rate and extent of their fermentation.
Polysaccharides are more hydrophobic if they have a greater number of internal hydrogen bonds, and as their hydrophobicity increases there is less direct interaction with water.
www.lsbu.ac.uk /water/hypol.html   (877 words)

  
 Polysaccharide - Wikipedia, the free encyclopedia
Polysaccharides (sometimes called glycans) are relatively complex carbohydrates.
Acidic polysaccharides are polysaccharides that contain carboxyl groups, phosphate groups and/or sulfuric ester groups.
Mixtures of capsular polysaccharides, either conjugated or native are used as vaccines.
en.wikipedia.org /wiki/Polysaccharide   (515 words)

  
 Antibody Responses to Polysaccharide and Polysaccharide-Conjugate Vaccines after Treatment of Hodgkin Disease -- ...
Antibody Responses to Unconjugated Pneumococcal and Meningococcal Polysaccharide Vaccines
Antibody Responses to 23-Valent Pneumococcal and 4-Valent Meningococcal Polysaccharide Vaccines
Antibody Responses to 23-Valent Polysaccharide Vaccine and 7-Valent Pneumococcal-Conjugate Vaccine
www.annals.org /cgi/content/full/123/11/828   (4063 words)

  
 Polysaccharide from Sucrose Test - Gonorrhea - STD information from CDC
Although the traditional method for detection of polysaccharide recommends incubation for 48 h., polysaccharide may be detected after incubation for 24 h.
Polysaccharide may be metabolized by the organism and may not be detectable after incubation for 3 to 5 days.
Inoculate polysaccharide medium for isolated colonies or confluent growth with a sterile swab or inoculating loop and incubate medium at 35C-36.5C in a carbon dioxide-enriched atmosphere for 18h.
www.cdc.gov /std/Gonorrhea/lab/tests/polysac.htm   (1163 words)

  
 Polysaccharide Conformations
These recommendation are made to allow polysaccharide conformation to be specified; the nomenclature of carbohydrates is published elsewhere [1], as are symbols for specifying ring forms of monosaccharides [3] and recommendations for the symbolic representation of oligosaccharides [4].
For these polysaccharides the residue forming this glycosidic linkage is regarded as the first member of the chain.
With complicated polysaccharides the primary structure should be given as described in 'Abbreviated terminology of oligosaccharide chains' [4].
www.chem.qmul.ac.uk /iupac/misc/psac.html   (1735 words)

  
 Polysaccharide hydration
Using a simplistic approach to polysaccharide hydration, water can be divided into 'bound water', subcategorized as being capable of freezing or not, and 'unbound water', subcategorized as being trapped or not.
In practical experience, the effects of water on polysaccharide and polysaccharide on water are complex and become even more complex in the presence of other materials, such as salts.
Ions in polysaccharide solutions may behave differently from when in solution by themselves, as the polysaccharides are capable of producing relatively stable low-density or high-density aqueous microenvironments.
www.lsbu.ac.uk /water/hydrat.html   (2211 words)

  
 Ask the Experts: Pneumococcal polysaccharide vaccine (PPV23)
Revaccination with pneumococcal polysaccharide vaccine is not routinely recommended for all healthy persons 65 years of age and older.
Pneumococcal polysaccharide vaccine should be given as a single intramuscular or subcutaneous injection.
Pneumococcal polysaccharide vaccine is recommended for children 2 years or older with chronic illnesses specifically associated with increased risk of pneumococcal disease or its complications (e.g., anatomic or functional asplenia [including sickle cell disease], nephrotic syndrome, cerebrospinal fluid leaks and conditions associated with immunosuppression).
www.immunize.org /catg.d/p2021o.htm   (2043 words)

  
 Polysaccharide Storage Myopathy in Morgan, Arabian, and Standardbred Related Horses and Welsh-cross Ponies -- Valentine ...
Polysaccharide Storage Myopathy in Morgan, Arabian, and Standardbred Related Horses and Welsh-cross Ponies -- Valentine et al.
Valberg SJ, MacLeay JM, Mickelson JR: Exertional rhabdomyolysis and polysaccharide storage myopathy in horses.
Valentine BA: Polysaccharide storage myopathy in draft and draft-related horses and ponies.
www.vetpathology.org /cgi/content/full/37/2/193   (1683 words)

  
 iron polysaccharide - [Medication]
Iron polysaccharide is used as a dietary supplement, and to prevent and to treat iron deficiencies and iron deficiency anemia.
Mix the liquid forms of iron polysaccharide with water, juice, or another beverage as directed and drink the mixture through a straw to prevent staining of the teeth.
Symptoms of a iron polysaccharide overdose include decreased energy; nausea; vomiting; abdominal pain; tarry stools; a weak, rapid pulse; fever; coma; seizures; and death.
www.peacehealth.org /kbase/multum/d03823a1.htm   (1068 words)

  
 Polysaccharide Biobased Materials Center - Home
Polysaccharides are biologically produced (bio-based) materials that have a unique combination of functional properties and environmentally friendly features.
Polysaccharides are also polymers and their long chain structures, as in man-made polymers, provide good mechanical properties for applications such as fibers, films, adhesives, melt processable plastics, thickeners, rheology modifiers, hydrogels, drug delivery agents, emulsifiers, etc. They are renewable materials, produced from other biological compounds, and generally are non-toxic and biodegradable.
Neutral polysaccharides are not as powerful thickeners however they are not greatly affected by salts.
www.polysaccharidecenter.com /index.html   (2152 words)

  
 meningococcal polysaccharide vaccine - [Medication]
Meningococcal polysaccharide vaccine is not usually recommended for children under 2 years of age.
An overdose of meningococcal polysaccharide vaccine is unlikely to occur.
The risk of meningococcal polysaccharide vaccine causing serious harm, or death, is extremely small.
www.peacehealth.org /kbase/multum/d01153a1.htm   (1218 words)

  
 Recommendations of the ACIP: Pneumococcal Polysaccharide Vaccine
Other patients at greater risk because of decreased responsiveness to polysaccharide antigens or more rapid decline in serum antibody include those with functional or anatomic asplenia (e.g., sickle cell disease or splenectomy), Hodgkin's disease, lymphoma, multiple myeloma, chronic renal failure, nephrotic syndrome, and organ transplantation.
Long-term follow-up and booster immunization with polyvalent pneumococcal polysaccharide in patients with sickle cell anemia.
Vaccination and revaccination with polyvalent pneumococcal polysaccharide vaccines in adults and infants.
aepo-xdv-www.epo.cdc.gov /wonder/prevguid/m0042325/m0042325.asp   (3050 words)

  
 Polysaccharide pneumococcal vaccines
Pneumococcal polysaccharide vaccine is recommended in the United States for use in all people aged 65 years or more and in
polysaccharide vaccines in children and adults with asthma.
The economic profile of pneumococcal polysaccharide vaccines is affected by the uncertainties underlying the epidemiology
www.vaccinationnews.com /DailyNews/August2002/Polysaccharide9.htm   (871 words)

  
 Radiological Studies Reveal Radial Differences in the Architecture of the Polysaccharide Capsule of Cryptococcus ...
was a consequence of radiation-mediated stripping of the polysaccharide
Structural studies of the capsular polysaccharide of a non-neoformans Cryptococcus species identified as C. laurentii, which was reclassified as Cryptococcus flavescens, from a patient with AIDS.
The efficacy of complement-mediated phagocytosis of Cryptococcus neoformans is dependent on the location of C3 in the polysaccharide capsule and involves both direct and indirect C3-mediated interactions.
ec.asm.org /cgi/content/full/4/2/465   (5664 words)

  
 Antibodies to Keyhole Limpet Hemocyanin Cross-React with an Epitope on the Polysaccharide Capsule of Cryptococcus ...
Pirofski, L. Polysaccharides, mimotopes and vaccines for fungal and encapsulated pathogens.
A cryptococcal capsular polysaccharide mimotope prolongs the survival of mice with Cryptococcus neoformans infection.
Molecular mimetics of polysaccharide epitopes as vaccine candidates for prevention of Neisseria meningitidis serogroup B disease.
www.jimmunol.org /cgi/content/full/171/9/4905   (5575 words)

  
 Clinical Trial: Fractional Dose Tetravalent A, C, Y, W135 Meningococcal Polysaccharide Vaccine
Lower doses of each A/C/Y/W135 component of the meningococcal polysaccharide vaccine could confer a similar functional immunogenic response as the dose of 50 μg currently being used, and subsequently be equally protective.
To measure the immunogenicity of a dose corresponding to one tenth of the licensed meningococcal A/C/Y/W135 polysaccharide vaccine, i.e.
However, availability and affordability of the tetravalent A/C/Y/W135 polysaccharide vaccine and of the trivalent A/C/W135 polysaccharide vaccine are still under discussion between the WHO and the producers.
www.clinicaltrials.gov /ct/show/NCT00271479   (1118 words)

  
 Evaluation of lipopolysaccharide and capsular polysaccharide as subunit vaccines against experimental melioidosis -- ...
Evaluation of lipopolysaccharide and capsular polysaccharide as subunit vaccines against experimental melioidosis -- Nelson et al.
capsular polysaccharide, or mAbs to LPS and capsular polysaccharide.
DeShazer, D., Brett, P. and Woods, D. The type II O-antigenic polysaccharide moiety of Burkholderia pseudomallei lipopolysaccharide is required for serum resistance and virulence.
jmm.sgmjournals.org /cgi/content/full/53/12/1177   (2885 words)

  
 Menomune Online, Description, Chemistry, Ingredients - Meningococcal Polysaccharide Vaccine - RxList Monographs
— A/C/Y/W-135, Meningococcal Polysaccharide Vaccine, Groups A, C, Y and W-135 Combined, for subcutaneous use, is a freeze-dried preparation of the group-specific polysaccharide antigens from Neisseria meningitidis, Group A, Group C, Group Y and Group W-135.
The purified polysaccharide is extracted from the Neisseria meningitidis cells and separated from the media by procedures which include centrifugation, detergent precipitation, alcohol precipitation, solvent or organic extraction and diafiltration.No preservative is added during manufacture.
Enhanced stability of meningococcal polysaccharide vaccines by using lactose as a menstruum for lyophilization.
www.rxlist.com /cgi/generic2/menomune.htm   (335 words)

  
 Improving Influenza, Pneumococcal Polysaccharide, and Hepatitis B Vaccination Coverage Among Adults Aged <65 Years ...
This report provides additional information about population-based interventions to improve the coverage of influenza, pneumococcal polysaccharide, and hepatitis B vaccines among populations at risk, briefly describes how the reviews were conducted, and provides information that can help in applying the interventions locally.
Coverage rates for pneumococcal polysaccharide vaccine among adults aged <65 years with one or more risk conditions ranged from 11.8% (aged 18--49 years) to 20.1% (aged 50--64 years) in 1995 (10) and remained low (19.1%) among persons aged 18--64 years in 2002 (NHIS, unpublished data, 2002).
5) measured differences or changes in vaccination coverage; 6) were studies of influenza, pneumococcal polysaccharide, or hepatitis B vaccines; and 7) were studies of populations that either focused on or included persons aged <65 years and at high risk for infection, morbidity, or mortality.
www.cdc.gov /mmwr/preview/mmwrhtml/rr5405a1.htm   (4548 words)

  
 Fine Chem Trading (ChemFinder - UK) - Supplier of Agaricus Blazei Muril Polysaccharide, Grifola Frondosa (Maitake) ...
Agaricus blazei polysaccharide mainly contains polysaccharide and ergosterol.The Agaricus blazei polysaccharide which is extracted using hot water has the strong effect to anti-tumor.
The main active ingredient of Grifola frondosa is preteoglucan, mainly in the form of dextran with basic structure of -(16) and-(13) dextran, and small amount of xylose and mannose.
Normally, the polysaccharides found in fungus only affect solid cancers, however the polysaccharide in Agaricus Blazei is effective against Ehrich's ascites carcinoma, sigmoid colonic cancer, ovarian cancer, breast cancer, lung cancer, prostate, and liver cancer as well as against solid cancers.
www.chemfinder.co.uk /supplier_agaricus_maitake.html   (819 words)

  
 Haemophilus b Polysaccharide Vaccine (Systemic) - MayoClinic.com   (Site not responding. Last check: 2007-10-02)
Haemophilus b polysaccharide (hem-OFF-fil-us BEE pol-i-SAK-ka-ryd) vaccine is an active immunizing agent used to prevent infection byHaemophilus influenzaetype b (Hib) bacteria.
Infection byHaemophilus influenzaetype b (Hib) bacteria can cause life-threatening illnesses, such as meningitis, which affects the brain; epiglottitis, which can cause death by suffocation; pericarditis, which affects the heart; pneumonia, which affects the lungs; and septic arthritis, which affects the bones and joints.
The dose of haemophilus b polysaccharide vaccine will be different for different patients.
www.mayoclinic.com /health/drug-information/DR202277   (973 words)

  
 PolySaccharides.net | Discount PolySaccharide Products Call Toll-Free 1-866-280-5389
One of world's foremost experts in polysaccharides, Dr. Schlacter, is a Clinical Instructor at the University of Nevada Medical School and Internal Medicine Specialist at a hospital in Las Vegas.
In trials, the polysaccharides powder has been proven to be safe, and non-toxic, with no known side effects (up to at least 60 scoops per day).
Yes, the polysaccharide powder can be mixed in hot liquids, such as soups or teas.
www.polysaccharides.net   (739 words)

  
 Haemophilus B Polysaccharide Vaccine Drug Information
Allergies-Tell your doctor if you have ever had any unusual or allergic reaction to haemophilus b polysaccharide vaccine or haemophilus b conjugate vaccine.
Also tell your health care professional if you are allergic to any other substances, such as preservatives.
Dosing-The dose of haemophilus b polysaccharide vaccine will be different for different patients.
www.drugs.com /cons/Haemophilus_B_Polysaccharide_Vaccine.html   (1242 words)

  
 CancerGuide: PSK: A Non-Toxic Polysaccharide Drug
Of all of the so called alternative therapies, this is one I can positively endorse - because of the great depth of published medical research supporting its use in cancer treatment.
Like many of the more interesting non-toxic anti-cancer agents, such as Lentinan, and Bovine Cartilage, PSK is a polysaccharide complex with immune stimulating effects.
Polysaccharides are large molecules made up of chains of linked sugar molecules.
cancerguide.org /psk.html   (848 words)

  
 MedlinePlus Drug Information: Haemophilus b Polysaccharide Vaccine (Systemic)   (Site not responding. Last check: 2007-10-02)
Haemophilus b polysaccharide (hem-OFF-fil-us BEE pol-i-SAK-ka-ryd) vaccine is an active immunizing agent used to prevent infection by Haemophilus influenzae type b (Hib) bacteria.
Infection by Haemophilus influenzae type b (Hib) bacteria can cause life-threatening illnesses, such as meningitis, which affects the brain; epiglottitis, which can cause death by suffocation; pericarditis, which affects the heart; pneumonia, which affects the lungs; and septic arthritis, which affects the bones and joints.
Allergies—Tell your doctor if you have ever had any unusual or allergic reaction to haemophilus b polysaccharide vaccine or haemophilus b conjugate vaccine.
www.nlm.nih.gov /medlineplus/druginfo/uspdi/202277.html   (994 words)

  
 MI Application Notes: Polysaccharide
Our preliminary studies here have demonstrated that both linear and circular polysaccharide molecules can be clearly visualized in-situ upon adsorption on mica in n-propanol using MAC Mode AFM PicoSPM.
With its high spatial resolution, MAC Mode AFM offers a great opportunity of identifying local structural differences at the surface of the linear and circular species.
Future studies using both the MAC Mode AFM and the heating stage may reveal other interesting aspects of polysaccharide structure.
www.molec.com /media/appnotes/html/lifescience/Polysaccharide/page3.html   (425 words)

  
 Meningococcal Polysaccharide Vaccine (Systemic) - MayoClinic.com   (Site not responding. Last check: 2007-10-02)
Meningococcal polysaccharide (ma-nin-ja-KOK-kal pol-i-SAK-ka-ryd) vaccine is an active immunizing agent used to prevent infection by certain groups of meningococcal bacteria.
However, additional injections may be needed for young children who remain at high risk for meningococcal disease.
Meningococcal polysaccharide vaccine is to be administered only by or under the supervision of your doctor or other health care professional.
www.mayoclinic.com /health/drug-information/DR202346   (910 words)

  
 polysaccharide - OneLook Dictionary Search
Tip: Click on the first link on a line below to go directly to a page where "polysaccharide" is defined.
polysaccharide : The American Heritage® Dictionary of the English Language [home, info]
Phrases that include polysaccharide: polysaccharide sulfate esters, specific soluble polysaccharide, core polysaccharide, polysaccharide conjugated vaccine, polysaccharide deacetylase, more...
www.onelook.com /?w=polysaccharide   (206 words)

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