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popso disodium CAS: 108321-07-9
Nnu disodium Piperazine-N,N'-bis(2-hydroxypropanesulphonic acid) bụ ihe mejupụtara kemịkalụ nke mejupụtara piperazine, bis(2-hydroxypropanesulphonic acid), na ion sodium abụọ. A na-ejikarị ya eme ihe dị ka ihe na-egbochi ihe na ihe na-achịkwa pH n'ọtụtụ ọrụ ụlọ ọrụ mmepụta ihe na ụlọ nyocha. Ihe mejupụtara ya na-enyere aka ịnọgide na-enwe pH kpọmkwem na ngwọta, na-eme ka ọ baa uru na usoro dịka nhicha protein, bayoloji molekul, na nyocha ọgwụ. Na mgbakwunye, ọ nwekwara ike ịrụ ọrụ dị ka ihe na-eme ka ion metal sie ike ma mee ka ọrụ enzyme sie ike na ụfọdụ mmeghachi omume biochemical.
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3-Morpholino-2-hydroxypropanesulfonic acid sodium nnu CAS:79803-73-9
3-Morpholino-2-hydroxypropanesulfonic acid sodium salt, nke a makwaara dị ka MES sodium salt, bụ ihe kemịkalụ a na-ejikarị eme ihe dị ka ihe na-egbochi ihe n'ime nchọpụta ihe ndị dị ndụ na ihe ndị dị ndụ.
MES bụ ihe nchekwa zwitterionic nke na-arụ ọrụ dị ka ihe na-achịkwa pH, na-eme ka pH kwụsie ike n'ọtụtụ usoro nnwale. Ọ na-agbaze nke ukwuu na mmiri ma nwee uru pKa nke ihe dị ka 6.15, na-eme ka ọ dị mma maka nchekwa na oke pH nke 5.5 ruo 7.1.
A na-ejikarị nnu sodium MES eme ihe n'usoro bayoloji molekul dịka mwepụ DNA na RNA, nnwale enzyme, na nhicha protein. A na-ejikwa ya na mgbasa ozi ọdịbendị sel iji nọgide na-enwe gburugburu pH kwụsiri ike maka uto na mmụba nke sel.
Otu ihe a ma ama nke MES bụ nkwụsi ike ya n'okpuru ọnọdụ anụ ahụ na iguzogide mgbanwe okpomọkụ. Nke a na-eme ka ọ dị mma maka iji ya na nnwale ebe a na-atụ anya mgbanwe okpomọkụ.
Ndị nchọpụta na-ahọrọkarị nnu sodium MES dị ka ihe nchekwa n'ihi obere nnyonye anya ya na mmeghachi omume enzymatic na ikike nchekwa dị elu n'ime oke pH ya kacha mma.
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X-GAL CAS:7240-90-6 Ọnụahịa Onye Mmepụta
5-Bromo-4-chloro-3-indolyl-β-D-galactoside (X-Gal) bụ ihe a na-ejikarị eme ihe na bayoloji molekul na ojiji biochemistry. A na-ejikarị ya eme ihe maka ịchọpụta mkpụrụ ndụ ihe nketa lacZ, nke na-akọwapụta enzyme β-galactosidase.
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1,2,3,4,6-Penta-O-acetyl-D-mannopyranose CAS:25941-03-1
1,2,3,4,6-Penta-O-acetyl-D-mannopyranose bụ kemịkalụ sitere na D-mannose, shuga dị mfe. Ọ bụ ihe sitere na ya ebe a na-ejikọ otu acetyl na ise n'ime otu hydroxyl isii dị na molekul mannose. A na-ejikarị ụdị acetylated nke D-mannose a eme ihe na njikọ organic na nyocha kemịkalụ dị ka ihe owuwu ma ọ bụ ihe mmalite maka njikọta nke molekul ndị dị mgbagwoju anya. Otu acetyl na-enye nkwụsi ike ma nwee ike ịgbanwe mmeghachi omume na njirimara nke ihe mejupụtara ahụ.
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1,2,3,4-Di-O-Isopropylidene-alpha-D-galactopyranose CAS:4064-06-6
1,2:3,4-Di-O-isopropylidene-D-galactopyranose bụ kemịkalụ sitere na ezinụlọ nke ihe ndị sitere na galactopyranose. A na-ejikarị ya eme ihe na kemịkalụ organic dị ka ihe nchebe maka otu hydroxyl dị na shuga, ọkachasị galactose. A na-emepụta ngwakọta ahụ site na iji acetone meghachi omume na D-galactose iji mepụta ihe ndị sitere na diacetone, nke a na-ejikwa acid gwọọ iji mepụta ihe ndị sitere na di-O-isopropylidene. Ihe ndị sitere na ya na-echebe otu hydroxyl, na-egbochi mmeghachi omume na-achọghị n'oge mmepụta kemịkalụ, enwere ike iwepụ ya nke ọma iji mee ka ihe mejupụtara mbụ ahụ dịghachi ọhụrụ. Ọdịdị ya dị obere na nkwụsi ike ya na-eme ka ọ baa uru n'ọtụtụ ngwa n'ime ubi nke mmepụta organic.
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PNPG CAS:3150-24-1 Ọnụahịa Onye Mmepụta
PNPG, ma ọ bụ p-nitrophenyl β-D-glucopyranoside, bụ obere ihe mejupụtara molekul nke a na-ejikarị eme ihe na nyocha biochemical iji tụọ ọrụ nke enzymes glucosidase. Ọ nweghị agba ma ọ bụ na-anaghị enwu enwu, mana mgbe glucosidase gasịrị, a na-agbanwe ya ka ọ bụrụ p-nitrophenol, nke nwere agba odo odo ma a na-achọpụta ya ngwa ngwa site na spectrophotometric.
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ONPG CAS:369-07-3 Ọnụahịa Onye Mmepụta
O-nitrophenyl-β-D-galactopyranoside (ONPG) bụ ihe e ji emepụta ihe nke e ji eme nnyocha gbasara ihe ndị dị ndụ na ihe ndị dị ndụ iji tụọ ọrụ nke enzyme β-galactosidase. A na-ejikarị ya eme nnyocha iji chọpụta ngosipụta mkpụrụ ndụ ihe nketa na sistemụ nje bacteria, dịka Escherichia coli.ONPG bụ ihe na-enweghị agba nke β-galactosidase kewara, nke na-eme ka e wepụta ihe na-acha odo odo, o-nitrophenol. Enwere ike ịtụ agba odo e mepụtara site na spectrophotometric, na-enye nha na-apụtaghị ìhè nke ọrụ enzyme. A na-akpọkarị nnwale ahụ site na iji ONPG nnwale ONPG ma ọ bụ usoro a na-ejikarị eme nnyocha gbasara ihe ndị dị ndụ iji chọpụta ọkwa ngosipụta nke mkpụrụ ndụ ihe nketa nke lac operon na-achịkwa na mkpụrụ ndụ nje bacteria.
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Nitrotetrazolium Blue Chloride CAS:298-83-9
Nitrotetrazolium Blue Chloride (NBT) bụ ihe ngosi redox a na-ejikarị eme ihe na nyocha bayọlọji na biochemical. Ọ bụ ntụ ntụ odo odo na-acha ọbara ọbara mgbe ebelatara ya, nke na-eme ka ọ baa uru maka ịchọpụta ọnụnọ nke ụfọdụ enzymes na ọrụ metabolic.
NBT na-emeghachi omume na ndị na-ebu elektrọn na enzymes dịka dehydrogenases, nke na-etinye aka na usoro dị iche iche nke sel. Mgbe enzymes ndị a belatara NBT, ọ na-emepụta ihe na-acha anụnụ anụnụ nke na-eme ka a hụ anya ma ọ bụ spectrophotometric.
A na-ejikarị ihe a eme ihe n'ule dịka nnwale mbelata NBT, ebe a na-eji ya enyocha ọrụ mgbawa iku ume nke mkpụrụ ndụ na-alụso ọrịa ọgụ. A pụkwara iji ya mụọ ọrụ enzyme na ụzọ metabolic na nyocha metụtara nrụgide oxidative, ndụ sel, na ọdịiche mkpụrụ ndụ.
NBT achọtala ngwa dị iche iche n'ọtụtụ ngalaba, gụnyere microbiology, immunology, na cell bayọlọji. Ọ dị ọtụtụ ihe, kwụsiri ike, ma dịkwa mfe iji, nke na-eme ka ọ bụrụ nhọrọ a ma ama maka ọtụtụ usoro nnwale.
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HATU CAS:148893-10-1 Ọnụahịa Onye Mmepụta
HATU (1-[bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 3-oxid hexafluorophosphate) bụ ihe a na-ejikarị eme ihe na njikọ peptide na kemistri organic.
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D-fucose CAS:3615-37-0 Ọnụahịa Onye Mmepụta
D-fucose bụ monosaccharide, ọkachasị shuga carbon isii, nke so na otu shuga dị mfe a na-akpọ hexoses. Ọ bụ isomer nke glucose, nke dị iche na nhazi nke otu hydroxyl.
A na-ahụ D-fucose n'ọtụtụ ihe dị ndụ n'ụzọ ebumpụta ụwa, gụnyere nje bacteria, ero, osisi, na anụmanụ. Ọ na-arụ ọrụ dị mkpa n'ọtụtụ usoro ihe ndị dị ndụ, dịka ihe ngosi mkpụrụ ndụ, njikọta mkpụrụ ndụ, na njikọ glycoprotein. Ọ bụ akụkụ nke glycolipids, glycoproteins, na proteoglycans, nke na-etinye aka na nkwukọrịta na nnabata mkpụrụ ndụ site na sel ruo sel.
N'ime ụmụ mmadụ, D-fucose na-etinyekwa aka na biosynthesis nke usoro glycan dị mkpa, dịka Lewis antigens na antigens otu ọbara, nke nwere mmetụta na ndakọrịta mmịnye ọbara na nnabata ọrịa.
Enwere ike inweta D-fucose site na ọtụtụ ebe dị iche iche, gụnyere ahịhịa mmiri, osisi, na ịgbaze nje bacteria. A na-eji ya eme nnyocha na ojiji biomedical, yana imepụta ụfọdụ ọgwụ na ihe ndị na-agwọ ọrịa.
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DDT CAS:3483-12-3 Ọnụahịa Onye Mmepụta
DL-Dithiothreitol, nke a makwaara dị ka DTT, bụ ihe na-ebelata ihe a na-ejikarị eme nchọpụta bayoloji na molekul. Ọ bụ obere molekul nwere otu thiol (nwere sọlfọ) n'akụkụ ọ bụla.
A na-ejikarị DTT agbaji njikọ disulfide dị na protein, nke na-enyere aka ịgbasa ma ọ bụ wepụ ha. Mbelata a nke njikọ disulfide dị mkpa n'ọtụtụ usoro nyocha dịka nhicha protein, electrophoresis gel, na ọmụmụ nhazi protein. Enwere ike iji DTT chebe otu thiol ma gbochie oxidation n'oge usoro nnwale.
A na-etinyekarị DTT na ngwọta nnwale n'obere mkpokọta, ọrụ ya dabere na ọnụnọ oxygen. Ọ dị mkpa ijikwa DTT nke ọma n'ihi na ọ na-enwe mmetụta na ikuku, okpomọkụ, na mmiri, nke nwere ike ibelata irè ya.
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D-(+)-Galactose CAS:59-23-4 Ọnụahịa Onye Mmepụta
D-(+)-Galactose bụ shuga monosaccharide ma bụrụkwa ihe dị mkpa n'ọtụtụ usoro ihe ndị dị ndụ. Ọ bụ shuga sitere n'okike nke a na-ahụ n'ọtụtụ nri, dịka mkpụrụ osisi, ihe ndị e ji mmiri ara ehi mee, na akwụkwọ nri.
A na-agbanwekarị Galactose n'ime ahụ site na usoro mmeghachi omume enzymatic. Ọ na-arụ ọrụ dị mkpa na nkwukọrịta sel, mmepụta ike, na biosynthesis nke molekul dị mkpa dịka glycolipids, glycoproteins, na lactose.
Maka ojiji ya, a na-ejikarị D-(+)-Galactose eme ihe na microbiology na bayotechnoloji dị ka isi iyi carbon na mgbasa ozi omenala maka uto nke ọtụtụ nje bacteria dị iche iche. A na-ejikwa ya eme ihe na mmepụta nke ọtụtụ ihe ndị na-arụ ọrụ bioactive, ọgwụ, na ngwaahịa nri. Na mgbakwunye, a na-ejikarị ya eme ihe dị ka ihe na-achọpụta ọrịa, karịsịa na ule maka inyocha ọrụ imeju na ịchọpụta nsogbu mkpụrụ ndụ ihe nketa metụtara metabolism galactose.
