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How Long Is Covid Contagious?
The CDC advised 5 days of isolation after a positive Covid test, followed by 5 days of masking when out in public is still a good guide.
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https://www.nytimes.com/2024/07/18/well/covid-contagious-period.html?smid=nytcore-ios-share&referringSource=articleShare
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HPV awareness and education is the key for preventing various HPV-related cancers. One of them is cervical cancer, a disease that kills thousands of women every year. Being a virus-borne infection, HPV infections are communicable that can travel among people through skin-to-skin contact (sexual intercourse). There are over 100 strains of HPV, more than 40 of which are passed through sexual contact and can affect your genitals, mouth, or throat. Genes2Me HPV-Q Comprehensive Real-Time PCR kit screens for the presence/absence of HPV in genotypes. Take the test today to determine your risk of HPV.
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Simplest explanation of Reverse transcription PCR (RT-PCR)
Reverse transcription PCR (RT-PCR) is used when the starting material is RNA. In this method, RNA is first transcribed into complementary DNA (cDNA) by reverse transcriptase from total RNA or messenger RNA (mRNA). The cDNA is then used as the template for the PCR reaction.
10/31/19 Daaaaamn! Look at this qRT-PCR! Now THIS is sexy! This should be my Sexy Halloween Costume!
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Polymerase Chain Reaction (PCR) is a revolutionary method developed by Kary Mullis in the 1980s. PCR is based on using the ability of DNA polymerase to synthesize a new strand of DNA complementary to the offered template strand. Because DNA polymerase can add a nucleotide only onto a preexisting 3'-OH group, it needs a primer to which it can add the first nucleotide. This requirement makes it possible to delineate a specific region of template sequence that the researcher wants to amplify. At the end of the PCR reaction, the specific sequence will be accumulated in billions of copies (amplicons)
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RT-PCR can be performed in a one-step or a two-step assay.
๐ข๐ป๐ฒ-๐ฆ๐๐ฒ๐ฝ ๐ฅ๐ง-๐ฃ๐๐ฅ: This assay combines reverse transcription and PCR in a single tube and buffer, using a reverse transcriptase along with a DNA polymerase. One-step RT-PCR only utilizes sequence-specific primers.
๐ง๐๐ผ-๐๐๐ฒ๐ฝ ๐ฅ๐ง-๐ฃ๐๐ฅ: This assay requires the reverse transcription and PCR steps are performed in separate tubes, with different optimized buffers, reaction conditions, and priming strategies.
"One of the amazing story of Science"
๐๐ก๐ ๐ข๐ง๐ฏ๐๐ง๐ญ๐ข๐จ๐ง ๐จ๐ ๐๐๐ Kary Mullis invented PCR while working as a scientist for the Cetus Corporation. He conceived the idea while cruising in a Honda Civic on Highway 128 from San Francisco to Mendocino in April 1983. Mullis recalls seeing a polymerase chain reaction as clear as if it were up on a blackboard in his head, in lurid pink and blue images. He pulled over and started scribbling. One basic ingredient of PCR is that it amplifies DNA by constant repetitionโrather like the computer programs Mullis was then involved in writing. Kary Mullis was given a $10,000 bonus by Cetus, who at first failed to realize the significance of the discovery. Later, they sold the technology to Roche for $300,000,000.
๐๐๐ ๐๐๐๐ก๐ข๐ง๐ ๐จ๐ซ ๐๐ก๐๐ซ๐ฆ๐จ๐๐ฒ๐๐ฅ๐๐ซ .
Know more about ๐๐ฎ๐ฟ๐ ๐ ๐๐น๐น๐ถ๐' ๐๐ถ๐๐ถ๐ผ๐ป ๐ฎ๐ฏ๐ผ๐๐ ๐ฃ๐๐ฅ, go to this link: https://everythingaboutbiotech.tumblr.com/image/623463475676610560 . Know more about ๐ ๐ฎ๐ท๐ผ๐ฟ ๐๐๐ฒ๐ฝ๐ ๐ถ๐ป ๐ฃ๐๐ฅ, go to this link: https://everythingaboutbiotech.tumblr.com/image/623432323092889600 . Know more about ๐ฅ๐ง-๐ฃ๐๐ฅ, go to this link: https://everythingaboutbiotech.tumblr.com/image/623376760978948096 ย
