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https://www.readbyqxmd.com/read/25899883/silica-microcapsules-for-long-term-robust-and-reliable-room-temperature-rna-preservation
#1
Michela Puddu, Wendelin J Stark, Robert N Grass
As a consequence of the latest revolutionary discoveries on its functions, RNA is certainly the hottest topic at the moment, being an exceptional tool in biology as well as in medicine. For the various applications, a proper RNA storage is required to prevent the degradation of this extremely unstable molecule. Here a novel freezing-free RNA storage strategy is presented, based on its encapsulation in silica spheres. The silica microcapsules protect the RNA by providing a water-free environment. In this way RNA can be safely stored for prolonged periods of time at ambient and elevated temperatures, maintaining its original integrity, as proved by gel-electrophoresis, capillary electrophoresis, and real-time reverse transcription-polymerase chain reaction (RT-qPCR)...
June 24, 2015: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/25826008/long-term-stability-of-total-rna-in-rnastable%C3%A2-as-evaluated-by-expression-microarray
#2
Holly S Stevenson, Yonghong Wang, Rolf Muller, Daniel C Edelman
Storage of labile RNA in laboratories is accomplished through ultra-low freezing of the nucleic acids. This however requires expensive freezers, convenient storage, reliable electrical power, and increased shipping costs, thereby making it a less viable option. Biomatrica (San Diego, CA) has created RNAstable(®), a stabilization reagent that is used to store RNA in a dehydrated state at room temperature (RT) and protects the RNA from degradation. Our objective was to investigate the sequence integrity and suitability of RNA when stored in RNAstable at extended time periods and at varying temperatures through use of Illumina and Agilent RNA expression microarrays...
April 2015: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/25380187/long-term-storage-of-dry-versus-frozen-rna-for-next-generation-molecular-studies
#3
COMPARATIVE STUDY
Eric Seelenfreund, William A Robinson, Carol M Amato, Aik-Choon Tan, Jihye Kim, Steven E Robinson
The standard method for the storage and preservation of RNA has been at ultra-low temperatures. However, reliance on liquid nitrogen and freezers for storage of RNA has multiple downsides. Recently new techniques have been developed for storing RNA at room temperature utilizing desiccation and are reported to be an effective alternative for preserving RNA integrity. In this study we compared frozen RNA samples stored for up to one year to those which had been desiccated using RNAstable (Biomatrica, Inc., San Diego, CA) and stored at room temperature...
2014: PloS One
https://www.readbyqxmd.com/read/24845140/short-term-stability-study-of-rna-at-room-temperature
#4
MULTICENTER STUDY
Conny Mathay, Wusheng Yan, Rodrigo Chuaqui, Amy P N Skubitz, Jae-Pil Jeon, Ndate Fall, Fay Betsou, Michael Barnes
The quality of RNA preserved in different stabilization matrices was investigated after 2 weeks of storage at room temperature. RNA samples in RNAstable (Biomatrica), GenTegra (IntegenX), and RNAshell (Imagene) were compared to RNA stored at -80°C (the current gold standard for RNA preservation) and with liquid or dried RNA stored at room temperature without additives in this multi-center study. One center prepared all of the RNA samples, and five participating laboratories applied the samples to the matrices and stored them for 2 weeks at room temperature...
December 2012: Biopreservation and Biobanking
https://www.readbyqxmd.com/read/24742968/stabilization-of-biothreat-diagnostic-samples-through-vitrification-matrices
#5
Timothy Devin Minogue, Warren Vincent Kalina, Susan Rajnik Coyne
Diagnostics for biothreat agents require sample shipment to reference labs for diagnosis of disease; however high/fluctuating temperatures during sample transport negatively affect sample quality and results. Vitrification additives preserve sample integrity for molecular-based assay diagnostics in the absence of refrigeration by imparting whole molecule stability to a plethora of environmental insults. Therefore, we have evaluated commercially available vitrification matrices' (Biomatrica's CloneStable® and RNAStable®) ability to stabilize samples of Yersinia pestis and Venezuelan Equine Encephalitis Virus...
June 2014: Journal of Microbiological Methods
https://www.readbyqxmd.com/read/22433512/post-extraction-stabilization-of-hiv-viral-rna-for-quantitative-molecular-tests
#6
COMPARATIVE STUDY
Daniel S Stevens, Christopher H Crudder, Gonzalo J Domingo
Two approaches to stabilize viral nucleic acid in processed clinical specimens were evaluated. HIV-1 RNA extracted from clinical specimens was stabilized in a dry matrix in a commercial product (RNAstable, Biomatrica, San Diego, CA, USA) and in a reverse-transcription reaction mixture in liquid form as cDNA. As few as 145 HIV-1 genome copies of viral RNA are reliably stabilized by RNAstable at 45°C for 92 days and in the cDNA format at 45°C for 7 days as determined by real-time PCR. With RNAstable the R(2) at days 1, 7, and 92 were 0...
June 2012: Journal of Virological Methods
https://www.readbyqxmd.com/read/19801719/green-technologies-for-room-temperature-nucleic-acid-storage
#7
Eunice Wan, Matthew Akana, Jennifer Pons, Justin Chen, Stacy Musone, Pui-Yan Kwok, Wilson Liao
Maintaining the long-term integrity of nucleic acids in the laboratory has traditionally required the use of freezers. However, novel nucleic acid stabilization technologies may allow for the storage of DNA and RNA at room temperature in a cost-effective, environmentally friendly manner. In this study, we evaluated two novel products for room temperature DNA storage: Biomatrica's DNA SampleMatrix technology and GenVault's GenTegra DNA technology. We compared the integrity and quality of DNA stored using these products against DNA stored in a -20 C freezer by performing downstream testing with short range PCR, long range PCR, DNA sequencing, and SNP microarrays...
2010: Current Issues in Molecular Biology
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