Bioprocess Contamination  
 
 
 
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Biopharmaceutical products from recombinant DNA can be contaminated with components of the host cell system used to manufacture the drug. Even after multiple purification steps, significant levels of those impurities can be present. Although low levels of most contaminants may be inconsequential, patient safety importance requires that they be eliminated or reduced to the lowest levels to avoid problems such as adverse immune reactions. Impurities can have significant cost implications in drug development and manufacture. Failure to identify and remove these impurities early in drug development may lead to reduced drug efficacy or adverse patient reactions that could delay release or kill a promising drug candidate. Reducing contaminates to very low levels necessitates multiple purification steps that reduce product yield.


Recombinant pharmaceutical products can be contaminated by residual host cell proteins (HCPs) or other carry over contaminants. It is essential part of manufacturing of biopharmaceuticals to monitor these contaminants.

 

Host cell proteins produced by the host cell during cell culturing or fermentation can cause an immune response in patients. Their composition is extremely heterogeneous and dependent on the protein product and down-stream purification procedure used. The level of contaminating host cell proteins in the biopharmaceutical product must be quantitatively measured.
 

KRIBIOLISA is an effort to provide these tools as aid to the biopharmaceutical industry after 2 years of in-house product development. These kits are manufactured by us using contaminants which are generic in nature.
 

“KRIBIOLISA” is the bioprocess contamination products range from KRISHGEN BIOSYSTEMS. These are ELISAs in 96 well format with convenience of break-apart strips.

Key Features
• Indian Manufactured – priced competitively; available with shorter lead times & good product support.
• ELISA with 8 x 12 break-apart strips
• Simple procedural steps for running the Assay.
• Results available within 3 hours hands-on time.

Our Validation Protocols followed are indicated separately. For individual kit validation details, please view the kit insert or ask us for further details.

 

 

All our kits now carry the Gold Quality Ring with 5 stars as a mark of our Quality Assurance.  An assurance from us on the quality of our kits and the vigorous validation and QC protocols they follow before they are released for sale.

 

       
Cat No Product Particulars  Insert MSDS 

Pack Size

       
KBBP01 E-coli HCP ELISA

 96 wells
KBBP02 Pichia Pastoris HCP ELISA

 96 wells
KBBP03 CHO HCP ELISA 

 96 wells
KBBP04 Protein A ELISA  96 wells
KBBP05 SP 2/0 HCP ELISA  96 wells
KBBP06 Ovalbumin ELISA  96 wells
KBBP07 HSA ELISA        96 wells
KBBP08 IgG ELISA  96 wells
KBBP09 IgA ELISA  96 wells
KBBP10 Bovine Serum Albumin ELISA  96 wells

 

  *** coming soon

 

 view Product Flyer                   view Immunocon, NIMHANS, Bengaluru 2009 Poster

 

We are pleased to announce our KRIBIOLISA ELISA kits are now exclusively available in India through our associate firm - KRISHTECH SOLUTIONS. KRISHTECH is a firm focused on the biopharmaceutical industry and represents leading US and European companies in India. KRISHTECH is a leading provider of Ultra Yield Flasks, downstream solutions and glycobiology tools to the Indian biopharmaceutical industry.

 

India's first monoclonal antibody manufactured and launched by a leading pharmaceutical company has been glycosylated using our tools. KRISHTECH works with a majority of India's biopharmaceutical companies.

>> know more

www.krishtech.in

 

Bioassays Kits

We offer kits for complete biological testing as per IP / BP / USP. From application development and technical system support to complex biological assays, we offer complete solutions. Biological assays are a need for compliance of monographs for IP / BP / USP. With our eight years of experience in biotechnology, we have the capabilities to provide you or support you with custom made solutions. For example, a majority of LMW Heparin / Enoxaparin Sodium manufacturers or formulators use our assay kits for their regular QC.

We provide assays for hormones, enzymes, cell-based assays for cancer drugs amongst others. With our offices in US and Europe we have the capabilities to develop the assays in-house or source them from companies worldwide. Our current product portfolio includes assays for -

 

Cat No Product Particulars  Insert MSDS 

Pack Size

         
KBBA01 Erythropoetin

48 tests
KBBA02 Granulocyte Colony Stimulating Factor (GCSF)

48 tests
KBBA03 Heparin Sodium

48 tests
KBBA04 LMW Heparin Sodium

100 tests
KBBA05 Enoxaparin Sodium

100 tests
KBBA06 Hyaluronidase **

 96 wells
KBBA07 Chymotrypsin **

 96 wells

*** coming soon

 

Immunogenicity Kits

 

Immunogenicity of Protein Therapeutics

Immunogenicity can have a number of effects on the therapeutic outcome of a biologic; for instance, reduce the efficacy of a biologic by lowering the molecule’s half-life in the circulatory system because of rapid clearance by immune cells or may even lead to generation of auto-antibodies to the patient’s natural version of that protein. Our assays can be used for the following purposes:

  • Characterize isotyping and subtyping of antibodies involved in the immunogenic response.

  • Generation of data for specific isotyping and subtyping of antibodies involved in the immunogenic response.

  • Study of immunogenic portion of the protein therapeutic

  • To establish baseline or pretherapy immune response.
    Post-launch surveillance of patient population to identify patients who may generate neutralizing antibodies

Cat No Product Particulars  Insert MSDS  Pack Size
         
KBI001 Human IgG quantitation ELISA 96 wells
KBI002 Human IgG Isotyping Kit : IgG1.IgG2,IgG3,IgG4 96 wells
KBI003 Mouse IgG quantitation ELISA 96 wells
KBI004 Mouse Isotyping ELISA 96 wells
KBI005 Rat IgG quantitation ELISA 96 wells
KBI006 Bovine IgG quantitation ELISA 96 wells

 

 
     
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