{"title":"Centri-Spin Columns","description":"\u003cp\u003e\u003cspan\u003eCentri-Spin Columns are used for the fast and efficient purification of large molecules (peptides, proteins, nucleic acids, complex carbohydrates) from small molecules (nucleotides, labels, and buffer salts).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMain advantages of the Centri-Spin Columns include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003eProcessed faster than ultrafiltration columns\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRapid and efficient separations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eBuffer is not preselected\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConvenient 20–50 µL sample size\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDry gel format\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRoom Temperature Storage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMicrocentrifuge format\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe columns come in three sizes (\u003ca href=\"https:\/\/afsbio.com\/collections\/dna-purification-extraction\/products\/centri-spin-10-cs-100-cs-101\" target=\"_blank\" title=\"Centri-Spin 10\" rel=\"noopener\"\u003e10\u003c\/a\u003e, \u003ca href=\"https:\/\/afsbio.com\/collections\/dna-purification-extraction\/products\/centri-spin-20-cs-200-cs-201\" target=\"_blank\" title=\"Centri-Spin 20\" rel=\"noopener\"\u003e20 \u003c\/a\u003eand \u003ca href=\"https:\/\/afsbio.com\/collections\/dna-purification-extraction\/products\/centri-spin-40-cs-400-cs-401\" target=\"_blank\" title=\"Centri Spin 40\" rel=\"noopener\"\u003e40\u003c\/a\u003e), depending on the size of molecules that need to be purified.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe columns’ ease of use, speed, and non-toxicity means they perform better than commonly used techniques such as phenol\/chloroform extraction, ethanol precipitation, dialysis, and ultrafiltration.\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","products":[{"product_id":"centri-spin-10-cs-100-cs-101","title":"Centri-Spin 10 - CS-100\/CS-101","description":"\u003ch1 data-mce-fragment=\"1\" class=\"page-title\"\u003eCENTRI-SPIN 10\u003c\/h1\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"region region-content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"block block-block\" id=\"block-block-9\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e\n\u003cstrong\u003eCatalogue Numbers:\u003c\/strong\u003e CS-100 (Box of 20 Columns), CS-101 (Box of 50 Columns)\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e Box of 20 Columns (CS-100), Box of 50 Columns (CS-101)\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003eProtocol Available \u003ca title=\"CentriSpin10-Product-Instructions\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0305\/9482\/6376\/files\/CentriSpin10-Product-Instructions_vs.pdf?v=1706022372\" target=\"_blank\"\u003eHere\u003c\/a\u003e.\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e \u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"block block-system\" id=\"block-system-main\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"content node-product\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"field field-name-body field-type-text-with-summary field-label-hidden\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"field-items\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"field-item even\" property=\"content:encoded\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eCentri-Spin 10 spin columns are used for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eelectroporation nick translation binding applications\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFISH transfection probe labeling gene products\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003esignal transduction differential display antibody labeling transformation studies\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eprotein labeling receptor analysis\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003esolid phase array desalting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003eCentri-Spin 10 spin columns are used for the fast and efficient purification of larger molecules (proteins, nucleic acids, complex carbohydrates, etc.), from small molecules (nucleotides, buffer salts, etc.)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Centri-Spin 10 gel will provide excellent recovery of DNA fragments with sizes greater than 10 base pairs or 10-mer, while removing \u0026gt; 98 % of salts, NTP's and other unwanted low-molecular-weight impurities. Proteins, peptides, and protein conjugates \u0026gt; 5 kD can also be efficiently separated\/desalted from unwanted low-molecular-weight impurities.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe column design is based on the description of gel filtration for the purification of DNA from nick translation reactions by Sambrook, et.al. Each Centri-Spin 10 unit consists of a specially fritted microfuge tube, dry gel, a wash tube and a sample collection tube, all specifically designed for this purpose.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe column gel is hydrated with either reagent-grade water or a suitable buffer, and spun in a microcentrifuge or swinging-bucket centrifuge to remove the interstitial fluid. After your sample is applied, the column is spun again to remove the low-molecular-weight components, leaving you not only with a purified sample, but one exchanged into the buffer of your choice.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eCENTRI-SPIN 10 COLUMNS ALSO CAN BE USED FOR THE FOLLOWING APPLICATIONS:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePurification of primers or probes \u0026gt; 10 bases\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePurification of biotinylation reactions\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePurification of protein conjugates in:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col data-mce-fragment=\"1\" class=\"rteindent1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eiodination\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ecross-linking\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003efluorescence labeling\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ehaptenation\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDesalting \/ purification \/ buffer exchange of peptides or proteins \u0026gt; 5 kD prior to mass spectroscopy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThese columns are far superior – in their ease of use, speed, and non-toxicity – to such common techniques as phenol\/chloroform extraction, ethanol precipitation, dialysis and ultrafiltration.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eADVANTAGES OF CENTRI-SPIN 10:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eProcessed faster than ultrafiltration columns\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRapid and efficient separations\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBuffer is not preselected\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eConvenient 20–50 µL sample size\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDry gel format\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRoom Temperature Storage\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMicrocentrifuge format\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eBENEFITS OF CENTRI-SPIN 10:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReliable and consistent\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTime-saving and convenient\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEnhanced stability\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtended shelf-life\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNo special equipment required\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtremely versatile\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Princeton Separations","offers":[{"title":"Box of 20 Columns","offer_id":42985534390451,"sku":"CS100","price":62.0,"currency_code":"USD","in_stock":true},{"title":"Box of 50 Columns","offer_id":42985534423219,"sku":"CS101","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9482\/6376\/files\/Centri-Spin10.jpg?v=1706022523"},{"product_id":"centri-spin-20-cs-200-cs-201","title":"Centri-Spin 20 - CS-200\/CS-201","description":"\u003ch1 data-mce-fragment=\"1\" class=\"page-title\"\u003eCENTRI-SPIN 20\u003c\/h1\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"region region-content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" id=\"block-block-9\" class=\"block block-block\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e\n\u003cstrong\u003eCatalogue Numbers:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCS-200 (Box of 20 Columns), CS-201 (Box of 50 Columns)\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBox of 20 Columns (CS-200), Box of 50 Columns (CS-201)\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003eProtocol Available\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"CentriSpin20-Product-Instructions\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0305\/9482\/6376\/files\/CentriSpin20-Product-Instructions_vs.pdf?v=1706022608\" target=\"_blank\"\u003eHere\u003c\/a\u003e.\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" id=\"block-system-main\" class=\"block block-system\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"content node-product\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"field field-name-body field-type-text-with-summary field-label-hidden\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"field-items\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"field-item even\" property=\"content:encoded\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eCentri-Spin 20 spin columns are used for: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eelectroporation nick translation binding applications\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFISH transfection probe labeling\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003egene products signal transduction differential display\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eantibody labeling transformation studies\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eprotein labeling receptor analysis\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003esolid phase array desalting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003eCentri-Spin 20 spin columns are used for the fast and efficient purification of larger molecules (proteins, nucleic acids, complex carbohydrates, etc.), from small molecules (nucleotides, buffer salts, etc.)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Centri-Spin 20 gel will provide excellent recovery of DNA fragments with sizes greater than 20 base pairs or 20-mer, while removing \u0026gt; 98 % of salts, NTP's and other unwanted low-molecular-weight impurities. Proteins, peptides, and protein conjugates \u0026gt; 25 kD can also be efficiently separated \/ desalted from unwanted low-molecular-weight impurities.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe column design is based on the description of gel filtration for the purification of DNA from nick translation reactions by Sambrook, et.al. 1 Each Centri-Spin 20 unit consists of a specially fritted microfuge tube, dry gel, a wash tube and a sample collection tube, all specifically designed for this purpose.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe column gel is hydrated with either reagent-grade water or a suitable buffer, and spun in a microcentrifuge or swinging-bucket Centrifuge to remove the intersititial fluid. After your sample is applied, the column is spun again to remove the low-molecular-weight components, leaving you not only with a purified sample, but one exchanged into the buffer of your choice.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eCENTRI-SPIN 20 COLUMNS CAN ALSO BE USED FOR THE FOLLOWING APPLICATIONS:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRemoval of free and labeled dNTP's from DNA\/RNA as in:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col data-mce-fragment=\"1\" class=\"rteindent1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003enick translation\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eend-labeling reactions\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ePCR reactions\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eImproving Electroporation Transformation Efficiencies\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRemoval of hexamers and octamers from primer-walking and random primer labeling\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDesalting, removal of traces of phenol or exchange of buffer salts, as in multiple restriction digestions\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDesalting \/ purification \/ buffer exchange of peptides or proteins \u0026gt; 25 kD.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThese columns are far superior – in their ease of use, speed, and non-toxicity – to such common techniques as phenol\/chloroform extraction, ethanol precipitation, dialysis and ultrafiltration.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eADVANTAGES OF CENTRI-SPIN 20:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eProcessed faster than ultrafiltration columns\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRapid and efficient separations\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBuffer is not preselected\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eConvenient 20–50 µL sample size\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDry gel format\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRoom Temperature Storage\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMicrocentrifuge format\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eBENEFITS OF CENTRI-SPIN 20:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReliable and consistent\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTime-saving and convenient\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEnhanced stability\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtended shelf-life\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNo special equipment required\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtremely versatile\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Princeton Separations","offers":[{"title":"Box of 20 Columns","offer_id":42985534783667,"sku":"CS200","price":62.0,"currency_code":"USD","in_stock":true},{"title":"Box of 50 Columns","offer_id":42985534816435,"sku":"CS201","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9482\/6376\/files\/Centri-Spin_2020_0.jpg?v=1706022669"},{"product_id":"centri-spin-40-cs-400-cs-401","title":"Centri-Spin 40 - CS-400\/CS-401","description":"\u003ch1 data-mce-fragment=\"1\" class=\"page-title\"\u003eCENTRI-SPIN 40\u003c\/h1\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"region region-content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"block block-block\" id=\"block-block-9\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e\n\u003cstrong\u003eCatalogue Numbers:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCS-400 (Box of 20 Columns), CS-401 (Box of 50 Columns)\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBox of 20 Columns (CS-400), Box of 50 Columns (CS-401)\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003eProtocol Available\u003cspan\u003e \u003c\/span\u003e\u003ca title=\"CentriSpin40-Product-Instructions\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0305\/9482\/6376\/files\/CentriSpin40-Product-Instructions_vs.pdf?v=1706022774\" target=\"_blank\"\u003eHere\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"flag\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"block block-system\" id=\"block-system-main\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"content\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"content node-product\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"field field-name-body field-type-text-with-summary field-label-hidden\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"field-items\"\u003e\n\u003cdiv data-mce-fragment=\"1\" class=\"field-item even\" property=\"content:encoded\"\u003e\n\u003cp data-mce-fragment=\"1\"\u003eCentri-Spin 40 spin columns are used for:\u003c\/p\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eelectroporation nick translation binding applications\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFISH transfection probe labeling gene products\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003esignal transduction differential display\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eantibody labeling transformation studies\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eprotein labeling receptor analysis\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003esolid phase array desalting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong data-mce-fragment=\"1\"\u003eCentri-Spin 40\u003c\/strong\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003espin columns are used for the fast and efficient purification of larger molecules (proteins, nucleic acids, complex carbohydrates, etc.), from small molecules (nucleotides, buffer salts, etc.)\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eCentri-Spin 40 gel will retain up to 80 % of short oligonucleotides (\u0026lt; 25-mer) while providing excellent recovery of up to 70 % of large DNA fragments with sizes greater than 135 base pairs. Proteins, peptides, and protein conjugates \u0026gt; 100 kD can also be efficiently separated from unwanted lower molecular-weight impurities.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe column design is based on the description of gel filtration for the purification of DNA from nick translation reactions by Sambrook, et.al. 1 Each Centri-Spin 40 unit consists of a specially fritted microfuge tube, dry gel, a wash tube and a sample collection tube, all specifically designed for this purpose.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe column gel is hydrated with either reagent-grade water or a suitable buffer, and spun in a microcentrifuge or swinging-bucket Centrifuge to remove the interstitial fluid. After your sample is applied, the column is spun again to remove the low-molecular-weight components, leaving you not only with a purified sample, but one exchanged into the buffer of your choice.\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eCENTRI-SPIN 40 COLUMNS ALSO CAN BE USED FOR THE FOLLOWING APPLICATIONS:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eCentri-Spin 40 columns have been designed specifically for the following applications:\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRemoval of primers or primer-dimers from PCR extension products \u0026gt; 150 base pairs\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDesalting and purification of proteins \u0026gt; 100 kD\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRemoval of the following impurities from solution:\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003col data-mce-fragment=\"1\" class=\"rteindent1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003etransferrin\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBSA\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ehemoglobin\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003ealbumin\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eADVANTAGES OF CENTRI-SPIN 40:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eProcessed faster than ultrafiltration columns\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRapid and efficient separations\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eBuffer is not preselected\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eConvenient 20–50 µL sample size\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eDry gel format\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eRoom Temperature Storage\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eMicrocentrifuge format\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eBENEFITS OF CENTRI-SPIN 40:\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eReliable and consistent\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTime-saving and convenient\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEnhanced stability\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtended shelf-life\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eNo special equipment required\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eExtremely versatile\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Princeton Separations","offers":[{"title":"Box of 20 Columns","offer_id":42985549529267,"sku":"CS400","price":62.0,"currency_code":"USD","in_stock":true},{"title":"Box of 50 Columns","offer_id":42985549562035,"sku":"CS401","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9482\/6376\/files\/Centri-Spin_2040_0.jpg?v=1706022812"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0305\/9482\/6376\/collections\/LOGO_Clipped_for_website_07be3f32-e2ea-49ea-99ac-072a43aa9741.png?v=1716386667","url":"https:\/\/afsbio.com\/collections\/centri-spin-columns.oembed","provider":"AFSBio Inc.","version":"1.0","type":"link"}