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TAPSO CAS: 68399-81-5 Tus nqi tsim khoom
TAPSO (3-[N-tris(hydroxymethyl)methyl]amino]-2-hydroxypropanesulfonic acid) yog ib qho zwitterionic buffer uas feem ntau siv rau hauv kev tshawb fawb txog kab mob thiab biochemical. Nws yog ib qho tshuaj buffering zoo nrog pKa ze rau physiological pH, ua rau nws tsim nyog rau kev tswj hwm pH ruaj khov hauv kev sim kab mob. TAPSO feem ntau siv rau hauv kev ntxuav protein, kev ntsuam xyuas enzyme, kev cog qoob loo ntawm tes, thiab kev siv electrophoresis. Nws cov dej solubility siab thiab kev cuam tshuam tsawg nrog cov txheej txheem kab mob ua rau nws yog ib qho kev xaiv nrov hauv zej zog kev tshawb fawb. TAPSO paub txog nws qhov cuam tshuam tsawg kawg nkaus rau kev ua haujlwm enzyme thiab feem ntau siv ua lwm txoj hauv kev rau lwm cov neeg sawv cev buffering xws li Tris lossis phosphate buffers.
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6-Methyl-2-pyridinyl2-(acetylamino)-2-deoxy-1-thio-beta-D-glucopyranoside CAS: 149263-94-5
6-Methyl-2-pyridinyl 2-(acetylamino)-2-deoxy-1-thio-beta-D-glucopyranoside, tseem hu ua N-acetylglucosamine thiolactone, yog ib qho tshuaj lom neeg uas muaj cov qauv tshwj xeeb uas muaj lub nplhaib pyridine, ib pawg acetylamino, thiab ib qho thiolactone moiety.
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Sodium Glycocholate CAS: 863-57-0
Sodium glycocholate yog ib qho tshuaj ntsev uas pab zom thiab nqus cov rog hauv cov khoom noj. Nws yog tsim los ntawm glycine thiab cholic acid thiab ua lub luag haujlwm tseem ceeb hauv kev rhuav cov rog ua cov tee me me, ua rau lawv thaj chaw zom zaub mov zoo dua. Sodium glycocholate yaj tau zoo heev hauv dej thiab siv rau hauv cov tshuaj pleev kom txhim kho kev yaj thiab kev siv tau ntawm cov tshuaj yaj tsis zoo. Tsis tas li ntawd, nws yog siv rau hauv kev tshawb fawb thiab chaw kuaj mob kom txhawb kev loj hlob ntawm qee cov kab mob thiab cov hom cell..
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TAPS Sodium ntsev CAS: 70331-82-7
TAPS sodium ntsev, tseem hu ua N-(Tris(hydroxymethyl)methyl)-2-aminoethanesulfonic acid sodium ntsev, yog ib yam khoom siv uas siv tau ntau yam thiab yog ib yam khoom uas tswj tau pH. Nws feem ntau siv rau hauv kev tshawb fawb txog kab mob thiab tshuaj lom neeg, tshuaj, thiab kev kuaj mob. TAPS-Na yog ib yam khoom sib xyaw zwitterionic uas pab tswj kom pH ruaj khov hauv cov tshuaj, ua rau nws haum rau ntau yam kev sim. Nws cov ntawv thov suav nrog kev cog qoob loo ntawm tes, kev tshawb fawb txog protein, electrophoresis, kev tsim tshuaj lom neeg, thiab cov tshuaj tsim. TAPS-Na yog ib hom TAPS uas yaj tau thiab ruaj khov uas yooj yim rau kev tuav thiab siv hauv cov tshuaj aqueous.
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NBD chloride CAS: 10199-89-0
NBD chloride, tseem hu ua 7-chloro-4-nitrobenzo-2-oxa-1,3-diazole, yog ib hom xim fluorescent uas feem ntau siv rau hauv kev siv tshuaj lom neeg thiab kev siv tshuaj lom neeg. Nws yog ib feem ntawm cov chav kawm ntawm nitrobenzoxadiazole (NBD) derivatives, uas muaj cov yam ntxwv fluorescence muaj zog.
NBD chloride yog tus cwj pwm los ntawm nws lub peev xwm los tsim cov kev sib txuas nrog cov nucleophiles, xws li cov amines thawj, thiols, thiab hydroxyl pawg. Cov yam ntxwv no tso cai rau nws siv ua tus neeg sawv cev rau biomolecules, suav nrog cov protein, peptides, nucleic acids, thiab lwm yam molecules me me.
Thaum NBD chloride ua rau muaj kev cuam tshuam nrog cov nucleophile, nws dhau los ua qhov kev hloov pauv, ua rau muaj cov khoom ruaj khov uas muaj daim ntawv lo NBD. Cov khoom uas muaj daim ntawv lo no qhia txog kev tso tawm fluorescence ntau heev, ua rau nws muaj txiaj ntsig zoo rau ntau yam kev kuaj pom thiab kev thaij duab.
Cov teeb ci ntsa iab ntawm cov molecules uas muaj daim ntawv lo NBD tuaj yeem raug txhawb nqa nrog lub teeb ultraviolet (UV) ntawm kwv yees li 470 nm, thiab lub teeb uas tawm los feem ntau pom ntawm kwv yees li 530 nm. Qhov wavelength ntawm cov teeb ci no poob rau hauv thaj chaw ntsuab ntawm cov spectrum pom, qhov twg kev cuam tshuam ntawm kev kuaj pom los ntawm cov qauv tshuaj lom neeg tsawg heev.
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Proteinase K CAS: 39450-01-6 Tus nqi tsim khoom
Proteinase K yog ib qho enzyme serine protease uas muaj zog heev uas tuaj yeem ua rau cov hydrolysis ntawm cov peptide bonds hauv cov protein. Nws yog los ntawm cov pwm Engyodontium album thiab paub txog nws ntau yam ntawm cov substrate specificity. Proteinase K tuaj yeem ua kom cov peptide bonds ntawm C-terminal sab ntawm hydrophobic, aliphatic, lossis aromatic amino acids zoo, ua rau nws muaj txiaj ntsig zoo hauv ntau yam kev siv molecular biology thiab biochemistry..
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N,N-Dimethyl-p-phenylenediamine dihydrochloride CAS: 536-46-9
N,N-Dimethyl-p-phenylenediamine dihydrochloride yog ib hom tshuaj uas siv ntau hauv ntau yam kev tshawb fawb thiab kev lag luam. Nws yog ib hom hmoov crystalline dawb mus rau dawb nrog cov mis molecular ntawm C8H14N2·2HCl.
Cov tshuaj no muaj ntau yam kev siv vim nws cov khoom thiab kev ua haujlwm. Nws feem ntau siv ua cov tshuaj reagent rau kev txiav txim siab ntawm peroxides thiab ua cov xim nruab nrab hauv kev tsim ntau yam xim thiab cov xim.
Hauv kev tshuaj xyuas tshuaj, N,N-Dimethyl-p-phenylenediamine dihydrochloride feem ntau siv los ua qhov ntsuas xim rau kev txiav txim siab ntawm cov hom oxidative, xws li hydrogen peroxide lossis peroxides hauv cov qauv. Cov tshuaj no hloov xim thaum muaj kev cuam tshuam nrog cov neeg sawv cev oxidizing no, uas ua rau lawv muaj peev xwm ntsuas tau.
Tsis tas li ntawd xwb, cov tshuaj no kuj tseem pom muaj nyob rau hauv cov tshuaj zas plaub hau, qhov chaw uas nws ua haujlwm ua tus tsim xim. Nws lub peev xwm los tsim cov xim ci ntsa iab thiab kav ntev ua rau nws nrov hauv kev lag luam pleev kom zoo nkauj.
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Creatine phosphate disodium ntsev CAS: 922-32-7
Creatine phosphate disodium ntsev yog ib qho tshuaj uas muaj creatine, ib qho amino acid derivative uas muaj nyob hauv ntuj, khi rau cov pawg phosphate thiab sodium ions. Nws ua lub luag haujlwm tseem ceeb hauv kev muab lub zog rau cov leeg nqaij thiab feem ntau yog siv los ua cov khoom noj khoom haus ntxiv los ntawm cov neeg ncaws pob thiab cov neeg ua kom lub cev muaj zog.
Thaum noj, creatine phosphate disodium ntsev yuav hloov mus ua creatine phosphate hauv lub cev, uas tom qab ntawd khaws cia rau hauv cov leeg. Thaum lub sijhawm ua ub ua no hnyav, xws li kev nqa hnyav lossis kev khiav ceev, creatine phosphate ua haujlwm ua qhov chaw muaj cov phosphate bonds muaj zog heev, uas ua rau muaj kev rov ua dua sai ntawm adenosine triphosphate (ATP).
ATP yog lub zog tseem ceeb uas cov leeg siv, thiab nws cov qib yuav txo qis sai sai thaum lub sijhawm ua si hnyav. Los ntawm kev ntxiv creatine phosphate, cov neeg ncaws pob tuaj yeem ua rau muaj ATP ntau ntxiv, ua rau cov leeg ua haujlwm tau zoo dua, muaj zog dua, thiab txo qhov qaug zog.
Tsis tas li ntawd xwb, creatine phosphate disodium ntsev kuj muaj lwm yam txiaj ntsig zoo, suav nrog kev ua kom cov leeg nqaij loj hlob, rov zoo dua, thiab ua haujlwm ntawm lub hlwb zoo dua. Feem ntau nws noj hauv daim ntawv hmoov lossis ntsiav tshuaj, ua ib qho tshuaj ntxiv lossis ua ib feem ntawm kev noj tshuaj ua ntej kev tawm dag zog lossis tom qab kev tawm dag zog.
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2′,6′-DiMethylcarbonylphenyl-10-sulfopropylacridiniuM-9-carboxylate 4′-NHS Ester CAS: 194357-64-7
2′,6′-DiMethylcarbonylphenyl-10-sulfopropylacridinium-9-carboxylate 4′-NHS ester yog ib qho tshuaj lom neeg uas muaj cov qauv molecular nyuaj. Nws muaj ib pawg sulfopropylacridinium thiab ib pawg carboxylate ester functional. Qhov muaj cov ester moiety qhia tau tias nws muaj reactive thiab siv tau ua ib qho labeling lossis modifying agent rau biomolecules.
Cov tshuaj sulfopropylacridinium pawg qhia tias nws yuav muaj peev xwm siv rau hauv kev ntsuam xyuas fluorescence, qhov twg nws tuaj yeem siv ua lub tshuaj fluorescent lossis zas xim rau kev ntes thiab tshuaj xyuas cov biomolecules. Nws kuj tseem yuav muaj qhov tseem ceeb hauv kev tshawb fawb txog cov txheej txheem cellular, xws li kev xa cov calcium hauv cov hlwb.
Qhov kev suav nrog ntawm NHS ester pawg qhia tau hais tias nws tuaj yeem ua rau muaj kev cuam tshuam nrog cov amines thawj zaug, xws li cov uas pom muaj nyob rau hauv cov protein lossis peptides, los tsim cov amide bonds ruaj khov. Qhov kev ua haujlwm no ua rau nws muaj txiaj ntsig zoo rau cov ntawv thov bioconjugation, qhov twg nws tuaj yeem siv los sau npe lossis hloov kho biomolecules nrog lwm cov molecules ua haujlwm, xws li fluorophores lossis tags.
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ABEI CAS: 66612-29-1 Chaw tsim tshuaj paus Nqe
N-(4-Aminobutyl)-N-ethylisoluminol, tseem hu ua ABEI, yog ib qho tshuaj luminescent uas feem ntau siv los ua chemiluminescent probe hauv kev siv bioanalytical. Nws yog ib feem ntawm cov isoluminol derivatives thiab siv dav hauv immunoassays thiab DNA/RNA nrhiav cov txheej txheem.
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Z-GLY-PRO-PNA CAS: 65022-15-3
Z-GLY-PRO-PNA yog ib qho peptide nucleic acid (PNA) derivative nrog cov kab lus Z-Gly-Pro. Cov tshuaj no feem ntau siv rau hauv kev tshawb fawb thiab kev kuaj mob rau nws lub peev xwm los khi tshwj xeeb rau cov kab lus nucleic acid sib txuas. Kev ntxiv ntawm Z-pawg ntawm N-terminus tso cai rau kev tsom mus rau thiab xa mus rau cov hom phiaj molecular xav tau. Nrog nws cov kev sib xyaw ua ke ntawm peptide thiab nucleic acid, Z-GLY-PRO-PNA muaj peev xwm zoo hauv ntau yam kev siv, suav nrog kev kho mob gene, kev kuaj mob molecular, thiab kev tsim tshuaj..
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TRIS-Acetate CAS: 6850-28-8 Tus nqi tsim khoom
TRIS-Acetate, yog ib qho buffer uas feem ntau siv rau hauv kev sim tshuaj lom neeg thiab biochemical. Nws yog kev sib xyaw ua ke ntawm Tris base thiab acetic acid, ua rau muaj pH-ruaj khov uas siv los tswj thiab tswj qhov pH xav tau rau ntau yam kev siv. TRIS-Acetate muaj txiaj ntsig zoo hauv kev tshawb fawb DNA thiab RNA, vim nws muab ib puag ncig zoo rau kev ua haujlwm enzyme, electrophoresis, thiab gel electrophoresis. Nws pab tswj kev ruaj khov thiab kev ncaj ncees ntawm nucleic acids thaum lub sijhawm ntau yam txheej txheem, xws li DNA sequencing, polymerase chain reaction (PCR), thiab agarose gel electrophoresis. Ntxiv rau kev tshawb fawb nucleic acid, TRIS-Acetate kuj tseem siv rau hauv kev rho tawm protein thiab cov txheej txheem purification, membrane protein extraction, thiab kev sim kab lis kev cai cell. Nws lub peev xwm buffering ntau yam ua rau nws yog ib qho cuab yeej muaj txiaj ntsig hauv ntau qhov chaw ntawm kev tshawb fawb, ua kom muaj kev mob zoo tshaj plaws rau kev ua haujlwm ntawm cov tshuaj lom neeg thiab tswj kev ruaj khov ntawm enzymes thiab protein.
