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Titer in Biological Technology

ForteBio Launches Two Revolutionary High-Throughput, Label-Free Instruments: The Octet(R) RED384 and the Octet QK384

... using ELISA or SPR-based methods," said Christopher Silva, ForteBio's vice president of marketing. "For example, using our new instrumentation, IgG titer determination can be completed in less than 20 minutes, as opposed to four to five hours using traditional ELISA methods. This fast time-to-result is ...

Savient's Pegloticase Data in Treatment-Failure Gout Patients Presented at 72nd Annual Meeting of the American College of Rheumatology Conference

... that for patients treated with pegloticase for up to 12 months showed that: - The overwhelming majority of subjects who develop a high titer of anti-pegloticase antibody, with subsequent loss of uric acid control, have done so by the fourth month of treatment in the double ...

Rentschler Biotechnologie Announces Cooperation with Boehringer Ingelheim

... strategic Production Alliance Network. Based on compatible process technologies and Boehringer Ingelheims proprietary know-how and expertise in high titer and high yield manufacturing process formats we will combine state-of-the-art development at Rentschler for accelerated time to clinic with a smooth ...

High-Titer Retroviral Vectors for Gene Delivery

... splice-site configuration that increases viral titer and gene expression from the viral promoter. 5 ... that a significant increase in viral titer is achieved by extending the 3 ... reports showing that a significant increase in titer is achieved by minimizing the amount of ...

Maximize Viral RNA Yield from Biological Fluid

... of sample sizeseven from high volume and/or low viral titer samples. Another important benefit of magnetic ... the sensitivity of diagnostic assays for low viral titer samples, since up to 400 l of sample can be used for ...

Versatile Reporter Vectors for Monitoring Viral Transduction

... marker genes eliminates a direct method for measuring the infectious titer of the resulting retroviral supernatants for a given target cell line, ... * titer = (fraction of cells fluorescing over background) x (supernatant ...

A New Lambda Vector for Mammalian Expression

... contained approximately 3 x 10 6 primary plaques. The phage titer of the amplified library was 2 x 10 10 plaque-forming units ... kb to 2.5 kb, with an average size of 1.4 kb ( Figure 3 ). The titer of the amplified library in the Lambda ZAP-CMV vector remained ...

Safe Production of High-Titer Retrovirus

... to be produced for most applications, providing that a high titer retroviral expression vector such as pFB is used, and very high ... Gene Ther. 10: 123-132. Yee, J.-K. (1994) Generation of High titer Pseudotyped Retroviral Vectors with Very Broad Host Range. In Meths. ...

The Genesis of Gendicine: The Story Behind the First Gene Therapy

... at URL:http://www.fda.gov/cber/gdlns/ptccell.pdf. Bauer S.Response to FDA Gene Therapy Letter:Adenovirus vector titer measurements and RCA levels. Presented at Biological Response Modifiers Advisory Committee meeting #30. 2000 April 5. Available ...

Electrotransformation of E. coli With M13 DNA

... Each batch of electroporation competent cells seems to vary somewhat in efficiency relative to field strength; we routinely titer each batch accordingly (Figure 1). We found a decrease in the number of M13 vector transformant plaques obtained from ...

Delivery of pCMV-S DNA Using the Helios Gene Gun System Is Superior to Intramuscular Injection in Balb/c Mice

... all assessed by ELISA for the presence of antibodies to HBsAg. At all time points there was a significantly higher antibody titer compared to unimmunized control sera at a dilution of 1:1,000 (Figure 4). Antibody titers for the week 12 antisera are shown in Figure ...

pFB-ERV: Retroviral Delivery of the Ecdysone Receptor Proteins

... pFB-ERV derivatives by endogenous retroviral structural proteins. titer Determination Vector titer was determined by G418-resistant colony formation. Amphotropic virus was ...

Functional Cloning Using ViraPort Retroviral cDNA Expression Libraries

... the viral structural proteins gag, pol, and env in trans. 10,11 We used the former method for this study and achieved a titer of approximately 10 7 cfu/ml, as determined by RT-PCR using the prostar HF RT-PCR system 12 and vector-specific primers. ...
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