Navigation Links
Bleach found to neutralize mold allergens

First-ever human studies show bleach solution reduces allergenic properties of moldResearchers at National Jewish Medical and Research Center have demonstrated that dilute bleach not only kills common household mold, but may also neutralize the mold allergens that cause most mold-related health complaints. The study, published in the September issue of The Journal of Allergy and Clinical Immunology, is the first to test the effect on allergic individuals of mold spores treated with common household bleach.

"It has long been known that bleach can kill mold. However, dead mold may remain allergenic," said lead author John Martyny, Ph.D., associate professor of medicine at National Jewish. "We found that, under laboratory conditions, treating mold with bleach lowered allergic reactions to the mold in allergic patients."

The need for denaturing or neutralizing mold allergens is a critical step in mold treatment that has not been fully understood. Currently, most recommendations for mold remediation call for removal since dead mold retains its ability to trigger allergic reactions, according to Dr. Martyny.

The researchers grew the common fungus Aspergillus fumigatus on building materials for two weeks, and then sprayed some with a dilute household bleach solution (1:16 bleach to water), some with Tilex?Mold & Mildew Remover, a cleaning product containing both bleach and detergent, and others only with distilled water as a control. They then compared the viability and the allergenicity of the treated and untreated mold.

The researchers found that the use of the dilute bleach solution killed the A. fumigatus spores. When viewed using an electron microscope, the treated fungal spores appeared smaller, and lacked the surface structures present on healthy spores. In addition, surface allergens were no longer detected by ELISA antibody-binding assays, suggesting that the spores were no longer allergenic.

The National Jewish r esearchers then allergy-tested eight Aspergillus-allergic individuals with solutions from the bleach and Tilex?treated building materials. Seven of the eight allergic individuals did not react to the bleach-treated building materials, and six did not react to the Tilex?treated building materials. This evidence suggests that, under laboratory conditions, fungal-contaminated building materials treated with dilute bleach or Tilex Mold & Mildew Remover?may have significantly reduced allergic health effects.

"This study was conducted under controlled laboratory conditions. In order to assure that the bleach solutions will function similarly under actual field conditions, additional experiments will need to be conducted," said Dr. Martyny. "We do believe, however, that there is good evidence that bleach does have the ability to significantly reduce the allergenic properties of common household mold under some conditions."


'"/>

Source:National Jewish Medical and Research Center


Related biology news :

1. New component of the brakes on nerve regeneration found
2. Strongest proof yet found for prion hypothesis
3. A puzzle piece found in unraveling the wiring of the brain
4. New World founders small in number
5. Norovirus found to cause travelers diarrhea
6. Pair of cancer genes found to drive both cell migration and division
7. Alien woodwasp, threat to US pine trees, found in N.Y.
8. Achilles heel of the herpes virus possibly found
9. Purdue scientists may have found key to halting spinal cord damage
10. Unexpected lock and key mechanism found for the assembly of tumor blood vessels
11. New protein vital for immune response is found in surprise location
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:4/11/2017)... 2017 NXT-ID, Inc. (NASDAQ:   NXTD ... the appointment of independent Directors Mr. Robin D. Richards ... of Directors, furthering the company,s corporate governance and expertise. ... Gino Pereira , Chief ... to their guidance and benefiting from their considerable expertise as ...
(Date:4/5/2017)... 2017 KEY FINDINGS The global ... a CAGR of 25.76% during the forecast period of ... factor for the growth of the stem cell market. ... MARKET INSIGHTS The global stem cell market is ... geography. The stem cell market of the product is ...
(Date:3/30/2017)... The research team of The Hong Kong Polytechnic University ... adopting ground breaking 3D fingerprint minutiae recovery and matching technology, pushing ... for use in identification, crime investigation, immigration control, security of access ... ... A research team led by Dr Ajay ...
Breaking Biology News(10 mins):
(Date:6/27/2017)... ... June 27, 2017 , ... According to a recent report ... do not have negative short- or long-term effects on benthic communities. , ... (PCBs) located at the Puget Sound Naval Shipyard & Intermediate Maintenance Facility in ...
(Date:6/26/2017)... ... 26, 2017 , ... Third Wave Bioactives, LLC announces the addition of Brett ... new business development and ensuring quality customer experience. , Brett brings to ... in technical, marketing and sales roles. “Brett’s background working with customers and eye for ...
(Date:6/23/2017)... (PRWEB) , ... June 23, 2017 , ... ... solutions provider, announced the latest version of LimitLIS®, its rapidly growing Laboratory Information ... speed up user adoption, ensure installation integrity, and provide more customization options. Each ...
(Date:6/22/2017)... NC (PRWEB) , ... June 21, 2017 , ... ... for attracting and hiring top executive talent in the life sciences industry, today ... and Manufacturing company. The partnership takes full advantage of Beaker’s expertise in ...
Breaking Biology Technology: