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Glyoxalbis (2-hydroxyanil) CAS: 1149-16-2
Glyoxalbis (2-hydroxyanil) yog ib qho tshuaj sib xyaw ua los ntawm glyoxal thiab 2-hydroxyaniline. Nws feem ntau siv ua tus neeg sawv cev sib txuas hauv kev tsim cov resins thiab cov nplaum. Cov tshuaj no muaj peev xwm tsim cov kev sib txuas ruaj khov thiab ruaj khov ntawm cov polymers, ua rau nws muaj txiaj ntsig zoo rau ntau yam kev siv hauv kev lag luam xws li cov tshuaj pleev xim, cov ntaub, thiab cov yas.
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L-Ascorbic acid CAS: 50-81-7 Tus nqi tsim khoom
L-Ascorbic acid, tseem hu ua vitamin C, yog ib qho khoom noj khoom haus tseem ceeb uas muaj cov khoom ua antioxidant. Nws ua lub luag haujlwm tseem ceeb hauv kev tswj kev noj qab haus huv ntawm daim tawv nqaij, pob txha, thiab cov hlab ntsha. Nws feem ntau pom muaj nyob rau hauv cov txiv hmab txiv ntoo thiab zaub thiab kuj muaj nyob rau hauv kev noj haus ntxiv. L-ascorbic acid yog qhov tseem ceeb rau lub cev tiv thaiv kab mob, vim nws pab lub cev tawm tsam cov kab mob thiab txhawb nqa kev noj qab haus huv tag nrho. Tsis tas li ntawd, nws txhawb nqa kev nqus hlau los ntawm cov khoom noj cog thiab pab txhawb kev tsim cov collagen, ib qho protein tseem ceeb rau daim tawv nqaij thiab cov ntaub so ntswg sib txuas.
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Adenine CAS: 73-24-5 Tus nqi tsim khoom
Adenine yog ib qho ntawm plaub lub nucleobases pom muaj nyob rau hauv DNA thiab RNA. Nws yog ib qho purine derivative thiab khub nrog thymine hauv DNA thiab nrog uracil hauv RNA. Adenine ua lub luag haujlwm tseem ceeb hauv kev sau cov noob caj noob ces thiab kev tsim cov protein. Nws cov qauv tshuaj lom neeg muaj ib lub fused double-ring system thiab nws yog sawv cev los ntawm tsab ntawv "A" hauv cov kab ke noob caj noob ces.
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Bismarck Brown Y (CI 21000) CAS: 10114-58-6
Bismarck Brown Y, tseem hu ua CI 21000, yog ib qho tshuaj organic uas yog ib feem ntawm cov xim azo. Nws feem ntau siv los ua xim pleev rau cov kab mob hauv histology thiab cytology. Bismarck Brown Y paub txog nws lub peev xwm los xaiv cov xim pleev rau cov nqaij thiab cov qauv ntawm lub hlwb, ua rau nws muaj txiaj ntsig zoo rau kev kuaj mob me me thiab kev tshawb fawb. Nws muaj xim liab-xim av thiab feem ntau siv ua ke nrog lwm cov xim pleev kom paub qhov txawv ntawm ntau yam khoom ntawm lub hlwb. Tsis tas li ntawd, Bismarck Brown Y tau siv rau hauv kev tshawb fawb biomedical thiab ua xim pleev rau hauv kev lag luam textile.
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Calcein CAS: 1461-15-0 Tus nqi tsim khoom
Calcein yog ib hom xim fluorescent uas feem ntau siv rau hauv kev tshawb fawb txog lub hlwb thiab kev tshawb fawb txog kev tshawb fawb. Nws siv tau los sau npe thiab taug qab cov hlwb uas muaj sia nyob, ntsuas qhov muaj sia nyob ntawm cov hlwb, thiab pom cov qauv ntawm cov hlwb thiab cov organelles. Calcein nrov vim nws muaj peev xwm tso tawm cov xim ntsuab ci ntsa iab, ua rau nws muaj txiaj ntsig zoo rau ntau yam kev kuaj thiab kev siv duab.
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RNase A los ntawm bovine pancreas CAS: 9001-99-4
RNase A, tseem hu ua ribonuclease A, yog ib qho enzyme uas tau los ntawm lub qog ntawm cov tsiaj nyuj (nyuj). Nws yog ib qho protein me me uas tsom mus rau thiab rhuav tshem cov RNA molecules uas muaj nyob hauv cov cell. RNase A feem ntau siv rau hauv kev tshawb fawb txog molecular biology kom tshem tawm lossis rhuav tshem RNA ntawm cov qauv DNA kom kawm thiab tswj DNA yam tsis muaj kev cuam tshuam los ntawm RNA. Nws kuj tseem siv rau hauv cov txheej txheem purification RNA, xws li RNA extraction thiab RNA sequencing, kom tshem tawm cov RNA contaminants thiab tau txais cov qauv RNA ntshiab. RNase A muaj qhov tshwj xeeb siab rau ib txoj hlua RNA thiab ua haujlwm zoo tshaj plaws nyob rau hauv cov xwm txheej acidic me me. Nws yog siv dav hauv ntau yam kev siv hauv chaw kuaj mob thiab kev siv uas muaj nucleic acids.
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superoxide dismutase CAS: 9054-89-1
Superoxide dismutase (SOD) yog ib qho enzyme uas ua lub luag haujlwm tseem ceeb hauv lub cev tiv thaiv antioxidant ntawm cov cell. Nws lub luag haujlwm tseem ceeb yog ua kom cov superoxide radicals hloov pauv mus ua hydrogen peroxide thiab molecular oxygen. Cov tshuaj tiv thaiv no pab tiv thaiv cov cell ntawm cov tshuaj dawb uas ua rau muaj kev cuam tshuam thiab ua rau puas tsuaj thaum lub sijhawm ntau yam txheej txheem metabolic.
Cov superoxide radicals yog tsim los ua cov khoom seem ntawm cov txheej txheem xws li kev ua pa thiab kev o, thiab lawv tuaj yeem ua rau lub hlwb puas tsuaj los ntawm kev txhawb nqa kev ntxhov siab oxidative. SOD pab txo qhov kev puas tsuaj no los ntawm kev hloov pauv sai sai superoxide radicals mus rau hauv hydrogen peroxide uas tsis muaj kev phom sij, uas tuaj yeem raug rhuav tshem ntxiv los ntawm lwm cov enzymes.
Muaj ntau hom SOD sib txawv, suav nrog tooj liab/zinc SOD (Cu/Zn SOD), manganese SOD (Mn SOD), thiab extracellular SOD (EC SOD), txhua tus pom muaj nyob rau hauv cov cellular compartments sib txawv. Qhov muaj SOD nyob rau hauv cell yog qhov tseem ceeb rau kev tswj hwm qhov sib npaug ntawm oxidative thiab tiv thaiv kev puas tsuaj oxidative rau cov khoom tseem ceeb ntawm cellular, xws li DNA, proteins, thiab lipids.
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Triphosphopyridine nucleotide disodium ntsev CAS: 24292-60-2
Triphosphopyridine nucleotide disodium ntsev, tseem hu ua NADP+, yog ib lub molecule uas ua haujlwm ua coenzyme koom nrog ntau yam txheej txheem tseem ceeb ntawm lub cev. Nws ua haujlwm feem ntau hauv cov tshuaj redox, qhov twg nws ua haujlwm ua tus nqa khoom ntawm kev txo cov khoom sib npaug thaum lub sijhawm ua haujlwm metabolic. NADP+ yog ib qho derivative ntawm niacin (vitamin B3) thiab yog qhov tseem ceeb rau ntau txoj hauv kev biochemical, suav nrog kev tsim hluav taws xob thiab kev tiv thaiv antioxidant. Nws cov ntsev sodium, triphosphopyridine nucleotide disodium ntsev, feem ntau siv rau hauv kev tshawb fawb thiab chaw kuaj mob los tswj cov txheej txheem ntawm lub cev.
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Trypsin inhibitor CAS: 9035-81-8 Tus nqi tsim khoom
Ib yam tshuaj uas ua rau trypsin inhibitor yog ib hom protein lossis peptide molecule uas inhibit lossis thaiv qhov ua haujlwm ntawm cov enzyme trypsin. Trypsin yog ib yam enzyme zom zaub mov uas muaj lub luag haujlwm rau kev rhuav cov protein hauv lub cev zom zaub mov. Trypsin inhibitors yog cov tshuaj uas tshwm sim ntuj uas pom muaj nyob rau hauv ntau yam nroj tsuag thiab tsiaj txhu, xws li taum pauv, qos yaj ywm, thiab qe. Lawv ua lub luag haujlwm hauv kev tswj hwm qhov ua haujlwm ntawm trypsin thiab tuaj yeem muaj peev xwm siv rau hauv kev tshawb fawb, nrog rau hauv kev lag luam xws li kev ua zaub mov, kev ua liaj ua teb, thiab tshuaj.
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3-Hydroxy-4,5-bis(hydroxymethyl)-2-methylpyridine CAS:65-23-6
3-Hydroxy-4,5-bis(hydroxymethyl)-2-methylpyridine yog ib qho tshuaj sib xyaw nrog cov mis molecular C8H11NO3. Nws yog ib qho derivative ntawm pyridine thiab muaj hydroxyl thiab methyl pawg. Cov tshuaj no yuav muaj peev xwm siv rau hauv cov tshuaj lossis cov organic synthesis vim nws cov qauv tshwj xeeb thiab cov pab pawg ua haujlwm.
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Papain CAS: 9001-73-4 Tus nqi tsim khoom
Papain yog ib qho enzyme proteolytic uas tau los ntawm txiv papaya (Carica papaya). Nws yog ib feem ntawm tsev neeg ntawm cysteine proteases thiab muaj peev xwm rhuav cov protein ua cov peptides me me thiab amino acids. Papain siv dav hauv ntau yam lag luam, suav nrog zaub mov, tshuaj, thiab tshuaj pleev ib ce, vim nws cov khoom zom zaub mov, tiv thaiv kev o, thiab exfoliating. Nws feem ntau siv ua cov nqaij mos, pab zom zaub mov, kho qhov txhab, thiab cov khoom xyaw hauv cov khoom siv tawv nqaij.
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4,4-bis(Dimethylamino)thiobenzophenone CAS:1226-46-6
4,4′-Bis(dimethylamino)thiobenzophenone yog ib yam tshuaj uas feem ntau siv los ua ib yam khoom siv rau kev kho mob photodynamic, uas yog ib yam kev kho mob uas siv cov tshuaj uas ua rau lub teeb pom kev zoo los kho cov mob xws li mob qog noj ntshav thiab qee yam mob ntawm daim tawv nqaij. Cov tshuaj no paub txog nws lub peev xwm los tsim cov pa oxygen thaum raug lub teeb, uas tuaj yeem ua rau lub hlwb puas tsuaj rau thaj chaw uas raug tsom.
