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dGMP, 2′-Deoxyguanosine-5′-monophosphate disodium ntsev CAS: 33430-61-4
2′-Deoxyguanosine-5′-monophosphate disodium ntsev yog ib qho tshuaj lom neeg uas feem ntau siv rau hauv kev tshawb fawb txog biochemical thiab molecular biology. Nws yog ib daim ntawv ntsev ntawm monophosphate derivative ntawm nucleoside 2′-deoxyguanosine, uas yog ib qho tseem ceeb ntawm DNA. Cov tshuaj no yog siv rau hauv ntau yam txheej txheem hauv chav kuaj xws li DNA sequencing, kev tshawb fawb enzyme, thiab ua ib qho substrate hauv enzymatic reactions.
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2-|cis|,4-|trans|-Abscisic acid CAS: 14375-45-2
Abscisic acid (ABA) yog ib yam tshuaj hormones uas ua lub luag haujlwm tseem ceeb hauv ntau yam txheej txheem kev ua haujlwm ntawm lub cev, suav nrog kev pw tsaug zog ntawm noob, kev tawg noob, thiab kev teb rau cov kev ntxhov siab ntawm ib puag ncig xws li kev qhuav thiab kev ntsev ntau. Nws pab tswj kev loj hlob thiab kev txhim kho ntawm cov nroj tsuag los ntawm kev tswj kev kaw ntawm lub qhov muag, kev loj hlob ntawm noob, thiab kev teb rau kev hloov pauv ntawm ib puag ncig. ABA kuj tseem koom nrog hauv cov kev taw qhia uas cuam tshuam rau cov nroj tsuag teb rau kev ntxhov siab abiotic thiab yog ib qho tseem ceeb hauv cov txheej txheem kev ua siab ntev ntawm cov nroj tsuag.
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5′-O-Tritylthymidine CAS: 7791-71-1 Tus nqi tsim khoom
5′-O-Tritylthymidine yog ib qho derivative ntawm thymidine, uas yog ib qho nucleoside uas muaj pyrimidine base thymine txuas nrog deoxyribose qab zib. Pawg trityl yog ib pawg tiv thaiv uas feem ntau siv hauv kev tsim cov organic los npog ib ntus ib pawg ua haujlwm. Hauv qhov xwm txheej ntawm 5′-O-Tritylthymidine, pawg trityl txuas nrog 5′ hydroxyl pawg ntawm deoxyribose qab zib ntawm thymidine. Qhov kev hloov kho no feem ntau siv hauv kev tsim thiab kev hloov kho ntawm nucleic acids, tshwj xeeb tshaj yog nyob rau hauv cov ntsiab lus ntawm cov khoom siv DNA synthesis. Pawg trityl ua haujlwm los tiv thaiv pawg 5′ hydroxyl thaum lub sijhawm tshuaj lom neeg thiab tuaj yeem raug tshem tawm hauv qab cov xwm txheej me me los tsim cov pab pawg hydroxyl dawb rau kev tswj hwm tom qab. Cov tshuaj no pom cov ntawv thov hauv thaj chaw ntawm nucleic acid chemistry thiab oligonucleotide synthesis.
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Chloroiridic acid CAS: 110802-84-1 Tus nqi tsim khoom
Chloroiridic acid, tseem hu ua iridium tetrachloride, yog ib qho tshuaj lom neeg nrog cov mis H2IrCl6. Nws yog ib qho xim liab tsaus, hygroscopic khov uas yaj tau hauv dej. Cov tshuaj no yog ib qho precursor rau ntau yam iridium complexes siv hauv catalysis thiab cov ntaub ntawv science. Nws feem ntau siv rau hauv kev tsim cov organoiridium compounds thiab cov ntaub ntawv inorganic iridium. Chloroiridic acid muaj cov tshuaj lom neeg thiab lub cev zoo uas ua rau nws muaj txiaj ntsig zoo rau ntau yam kev siv, tshwj xeeb tshaj yog hauv kev sib xyaw ua ke ntawm cov tshuaj catalysis thiab cov ntaub ntawv chemistry.
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Trypan Xiav CAS: 72-57-1 Tus nqi tsim khoom
Trypan Blue yog ib hom xim diazo uas feem ntau siv hauv kev tshawb fawb txog tsiaj txhu thiab tshuaj. Nws feem ntau siv ua ib qho xim tseem ceeb rau kev xaiv xim rau cov hlwb tuag, ua rau muaj kev sib txawv ntawm cov hlwb ciaj thiab cov hlwb tuag hauv kev cog qoob loo ntawm cov hlwb. Trypan Blue feem ntau siv rau hauv kev ntsuam xyuas cov hlwb ciaj sia los ntsuas kev noj qab haus huv ntawm cov hlwb thiab kuj siv rau hauv kev tshawb fawb hauv chaw kuaj mob, xws li suav cov hlwb ciaj sia siv cov tshuab suav cov hlwb tsis siv neeg. Tsis tas li ntawd, nws muaj kev siv rau hauv kev phais qhov muag, qhov twg nws siv los pleev xim rau lub hau pem hauv ntej ntawm lub lens thaum phais cataract kom pab pom kev.
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xylenecyanol ff CAS: 2650-17-1 Tus nqi tsim khoom
Xylene cyanol FF yog ib qho xim zas uas siv rau hauv kev siv molecular biology, xws li agarose thiab polyacrylamide gel electrophoresis. Nws yog siv los saib xyuas kev nce qib ntawm cov qauv DNA lossis RNA los ntawm cov gel thaum lub sijhawm electrophoresis, nrog rau kev kwv yees qhov kev ncua deb ntawm cov nucleic acid. Xylene cyanol FF feem ntau tsiv teb tsaws chaw nrog ntau qhov loj ntawm cov DNA lossis RNA fragments uas muaj kwv yees li 4,000 - 6,000 base pairs.
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Coomassie xiav ci ntsa iab R-250 CAS: 6104-59-2
Coomassie Brilliant Blue R-250 yog ib hom xim siv ntau hauv kev tshawb fawb txog protein thiab electrophoresis. Nws yog ib qho tshwj xeeb tshaj yog rau nws siv rau hauv kev pleev xim rau cov protein hauv polyacrylamide gel electrophoresis (PAGE). Vim nws muaj zog rau cov protein, nws khi rau lawv, ua rau muaj xim xiav pom tseeb uas tso cai rau kev pom thiab kev ntsuas ntawm cov protein. Tsis tas li ntawd, nws feem ntau siv rau hauv cov txheej txheem purification protein ua ib hom xim rau kev ntsuas qhov concentration ntawm cov protein thiab kev ntsuas qhov ua tiav ntawm cov txheej txheem purification.
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Ponceau S CAS: 6226-79-5 Chaw tsim tshuaj paus Nqe
Ponceau S yog ib hom xim liab uas feem ntau siv rau hauv kev tshawb fawb txog protein los pleev xim rau cov protein ntawm nitrocellulose lossis PVDF daim nyias nyias tom qab hloov los ntawm polyacrylamide gels. Nws feem ntau siv ua xim uas thim rov qab tau vim nws tsis khi rau cov protein, uas tso cai rau kev tshuaj xyuas tom qab. Ponceau S staining yog ceev, rhiab heev, thiab muab qhov qhia tau pom tseeb ntawm kev ua haujlwm ntawm kev hloov pauv protein.
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Toluidine xiav O CAS: 92-31-9 Tus nqi tsim khoom
Toluidine Xiav O yog ib qho xim tseem ceeb uas siv rau hauv histology thiab cytology los pab pom cov qauv cellular. Nws muaj kev sib raug zoo rau cov khoom siv acidic xws li nucleic acids thiab cartilage. Thaum siv rau cov qauv ntaub so ntswg, Toluidine Xiav O tuaj yeem pab cais cov hom cell sib txawv thiab qhia txog cov qauv tshwj xeeb hauv qab lub tshuab microscope. Cov xim no muaj txiaj ntsig zoo hauv kev sib txawv ntawm cov ntaub so ntswg noj qab haus huv thiab cov ntaub so ntswg mob, ua rau nws yog ib qho cuab yeej tseem ceeb hauv kev kuaj mob thiab kev tshawb fawb.
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Hematoxylin CAS: 517-28-2 Tus nqi tsim khoom
Hematoxylin yog ib yam xim zas uas tau rho tawm los ntawm tsob ntoo logwood, feem ntau siv rau hauv kev kuaj mob thiab kev kuaj mob rau kev pleev xim rau cov cell nuclei xiav. Nws feem ntau siv ua ke nrog eosin los muab qhov sib piv hauv cov qauv ntaub so ntswg thiab yog ib txoj kev pleev xim siv dav hauv cov chaw kuaj mob thiab chaw kuaj mob txog kab mob.
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Bisbenzimide H33342 CAS: 23491-52-3 Tus nqi tsim khoom
Bisbenzimide H33342 yog ib qho xim fluorescent uas feem ntau siv rau hauv kev tshawb fawb txog molecular biology thiab cell biology. Nws paub txog nws lub peev xwm los khi rau DNA thiab feem ntau siv rau kev pom thiab pleev xim DNA hauv microscopy thiab flow cytometry daim ntawv thov. Tsis tas li ntawd, nws siv rau kev ntsuas DNA thiab kev tshuaj xyuas lub voj voog ntawm tes. Bisbenzimide H33342 yog siv dav ua cov tshuaj tiv thaiv hauv fluorescence microscopy los pom cov nuclei ntawm tes hauv ntau yam qauv tshuaj lom neeg.
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Hoechst 33258 CAS: 23491-45-4 Tus nqi tsim khoom
Hoechst 33258 yog ib hom xim fluorescent uas feem ntau siv rau hauv kev tshawb fawb txog tsiaj txhu rau kev pleev xim rau DNA. Nws khi tshwj xeeb rau cov cheeb tsam AT-nplua nuj ntawm DNA thiab tso tawm cov xim xiav fluorescence thaum raug lub teeb ultraviolet. Cov yam ntxwv no ua rau Hoechst 33258 muaj txiaj ntsig zoo rau kev pom thiab kawm DNA hauv cov hlwb thiab cov nqaij siv cov tshuab fluorescence microscopy thiab flow cytometry.
