-
Phenyl2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside CAS:24404-53-3
Phenyl2,3,4,6-tetra-O-acetyl-1-thio-β-D-galactopyranoside waa ka kooban oo inta badan loo isticmaalo cilmi-baarista biochemical.Waa nooc wax laga beddelay oo ah galactose molecule sonkorta, waxayna leedahay codsiyo dhowr ah oo ku jira baaritaanka enzymes, falanqaynta muujinta hidda-wadaha, nidaamyada baadhista, iyo nadiifinta borotiinka.Qaab dhismeedkeeda waxaa ka mid ah kooxaha acetyl iyo koox thio ah, kuwaas oo gacan ka geysta ogaanshaha iyo faragelinta hawlaha enzymatic gaarka ah.Guud ahaan, xaruntani waxay muhiim u tahay daraasadda dhaqdhaqaaqa iyo shaqada enzyme β-galactosidase, iyo sidoo kale tijaabooyinka kala duwan ee bayoolaji iyo biochemistry.
-
Tris maleate CAS:72200-76-1
Tris maleate waa iskudhis kiimiko ah oo u adeegta sidii pH kaydiye iyo hagaajinta warshado kala duwan.Waxaa loo isticmaalaa ilaalinta heerarka pH ee deggan iyo iska caabinta isbeddelada ay sababaan ku-darka asiidhka ama saldhigyada.Tris maleate waxaa caadi ahaan looga shaqeeyaa cilmi baarista biochemical, nadiifinta borotiinka, hababka warshadaha, iyo kimistariga falanqaynta.Waxay si gaar ah wax ku ool u tahay ku-samaynta heerarka pH hoose waxayna caan ku tahay wax-ka-bedelkeeda ilaalinta xaaladaha pH ee ugu wanaagsan.
-
DAOS CAS: 83777-30-4 Qiimaha soo saaraha
N-Ethyl-N- (2-hydroxy-3-sulfopropyl) -3,5-dimethoxyaniline sodium cusbo waa iskudhis kiimiko ah oo ka tirsan fasalka anilines sulfonated.Waa qaab cusbo sodium ah, taasoo la macno ah inay ku jirto qaab adag oo crystalline ah oo ku milma biyaha.Xaruntani waxay leedahay qaacido molecular oo ah C13H21NO6Sna.
Waxay leedahay labada kooxood ee alkyl iyo sulfo, taas oo ka dhigaysa mid waxtar u leh codsiyo kala duwan.Waxaa caadi ahaan loo isticmaalaa sidii dhex dhexaad dheeh ah ee soo saarista midabada organic, gaar ahaan kuwa loo isticmaalo warshadaha dharka.Xaruntaani waxay siisaa midabka waxayna hagaajisaa xasiloonida dheeha, kor u qaadida waxqabadkooda iyo adkeysiga.
Intaa waxaa dheer, waxay sidoo kale u adeegi kartaa sidii surfactant sababtoo ah kooxdeeda hydrophilic sulfonate iyo kooxda alkyl hydrophobic.Hantidaani waxay u ogolaaneysaa in ay yareyso xiisadda dusha sare ee dareeraha, taas oo ka dhigaysa mid qiimo leh qaababka saabuunta, stabilizers emulsion, iyo hababka kale ee warshadaha ee ku lug leh kala firdhinta walxaha.
-
2-hydroxy-4-morpholinepropanesulphonic acid CAS:68399-77-9
2-hydroxy-4-morpholinepropanesulphonic acid (CAPS) waa wakiilka buffering zwitterionic sida caadiga ah loo isticmaalo tijaabo biochemical iyo molecular bayooloji.Waa xasiliye wax ku ool ah, isagoo ilaalinaya pH joogto ah inta u dhaxaysa 9.2-10.2.CAPS waxay si gaar ah caan ugu tahay codsigeeda sifaynta borotiinka, imtixaannada enzymatic, warbaahinta dhaqanka unugga, iyo electrophoresis.Waxay la jaan qaada enzymes waxaana badanaa loo isticmaalaa in lagu ilaaliyo pH-ga ugu fiican ee dhaqdhaqaaqa enzyme inta lagu jiro hababka shaybaarka ee kala duwan.CAPS sidoo kale waxaa loo isticmaalaa warbaahinta dhaqanka unugyada si loo abuuro jawi ugu wanaagsan koritaanka unugyada iyo jiritaanka.In electrophoresis, waxay ka caawisaa ilaalinta pH xasiloonida lagama maarmaanka u ah kala soocidda iyo falanqaynta ee acids nucleic ama borotiinada.
-
beta-d-glucose pentaacetate CAS: 604-69-3
Beta-D-glucose pentaacetate waa unug kiimiko ah oo ka soo jeeda gulukoos, sonkor fudud.Waxaa lagu sameeyay gulukoos acetylating leh shan kooxood oo acetyl ah, taasoo keentay in kooxahan lagu xidho kooxaha hydroxyl (OH) ee ku jira molecule gulukoosta.Beddelka gulukoosta waxa uu siinayaa xasilooni la xoojiyey oo ka dhigaysa mid ku milma dareerayaasha organic.
Beta-D-glucose pentaacetate waxay leedahay codsiyo kala duwan oo ku saabsan maadada kiimikada organic, gaar ahaan isku-dhafka iyo wax ka beddelka karbohaydraytyada.Waxay u adeegi kartaa horudhac ama dhexdhexaadin diyaarinta ka-soo-baxyada karbohaydraytyada kale ama xeryahooda dabiiciga ah ee adag.Intaa waxaa dheer, waxaa loo adeegsaday qaar ka mid ah codsiyada caafimaadka iyo daawooyinka sida hababka gudbinta daroogada iyo qaababka siideynta la kantaroolay.
-
3-NITROPHENYL-BETA-D-GALACTOPYRANOSIDE CAS:3150-25-2
3-Nitrophenyl-beta-D-galactopyranoside (ONPG) waa substrate caadi ahaan loo isticmaalo imtixaannada enzymatic si loo ogaado loona cabbiro dhaqdhaqaaqa beta-galactosidase.Marka beta-galactosidase ay jirto oo ay firfircoon tahay, waxay hydrolyzes ONPG, sii daayo badeeco midab huruud ah oo loo yaqaan 3-nitrophenol.Xoogga midabka jaalaha ah ee la soo saaray waxaa lagu qiyaasi karaa spectrophotometrically, taas oo u oggolaanaysa qiyaasidda dhaqdhaqaaqa beta-galactosidase.ONPG waxaa inta badan loo adeegsadaa bayooloojiyada molecular iyo cilmi-baarista microbiology, iyo sidoo kale baarista kiliinikada, si loo barto muujinta hidda-wadaha, shaqada borotiinka, aqoonsiga bakteeriyada, iyo jiritaanka unugyada.
-
TOOS CAS: 82692-93-1 Qiimaha soo saaraha
Sodium 3-(N-ethyl-3-methylanilino) -2-hydroxypropanesulfonate waa unug kiimiko oo caadi ahaan loo yaqaan MESna.Waxa ugu horrayn loo istcimaalaa sidii wakiil yaraynta bayolojiyada bayoloji iyo molecular.MESna waxay awood u leedahay inay jebiso curaarta disulfide ee borotiinnada, iyaga oo u beddelaya kooxo sulfhydryl ah.Habka dhimista ayaa muhiim u ah codsiyada kala duwan sida denaturation borotiinka, ka hortagga isku-ururinta borotiinka, calaamadaynta borotiinka, iyo borotiinka dib-u-laabashada.MESna waxay door muhiim ah ka ciyaartaa khalkhalgelinta borotiinka, falanqaynta, iyo wax ka beddelka cilmi baarista sayniska.
-
PIPES monosodium cusbo CAS: 10010-67-0
Sodium hydrogen piperazine-1,4-diethanesulphonate, oo sidoo kale loo yaqaan HEPES-Na, waa wakiilka kaydinta inta badan loo isticmaalo cilmi-baarista bayooloji iyo bayooloji.Waxay ka caawisaa in la ilaaliyo kala duwanaanta pH ee 6.8 ilaa 8.2 ee codsiyada kala duwan, oo ay ku jiraan dhaqanka unugyada, imtixaannada enzymes, iyo farsamooyinka bayoolaji molecular.HEPES-Na waxay la jaan qaadaysaa nidaamyada noole ee kala duwan waxayna ku xasilloon tahay heerkul ballaaran oo kala duwan.
-
PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE CAS:16758-34-2
PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE, oo sidoo kale loo yaqaan phenyl thio galactopyranoside, waa iskudhis kiimiko ah oo ka tirsan qoyska glycosides.Waa derivative galactose ah oo ka kooban unug sonkorta galactopyranose ah oo ku xidhan kooxda phenylthio ee carbon anomeric ah. Xaruntan waxaa caadi ahaan loo isticmaalaa in cilmi-biochemical sida substrate for enzymes in hydrolyze bonds glycosidic.Waxay u shaqeysaa sida substrate-ka macmal ah si loo barto dhaqdhaqaaqa enzymatic ee glycosidases iyo si loo go'aamiyo gaar ahaantooda, kinetics, iyo xannibaad. dhaqdhaqaaqa glycosidases kala duwan ee shaybaarka noolaha.Hydrolysis ee xaruntan by enzymes gaar ah waxay soo saartaa calaamad la ogaan karo oo la qiyaasi karo. Sababtoo ah kooxdeeda phenylthio deggan, PHENYL-1-THIO-β-D-GALACTOPYRANOSIDE si fudud ayaa loo maareyn karaa loona kaydin karaa iyada oo aan la burburin, taasoo ka dhigaysa doorasho ku habboon. imtixaannada enzyme iyo tijaabooyinka cilmi-baarista.
-
2- (tris (hydroxymethyl) methylamino) ethane-1-sulphonic acid CAS: 7365-44-8
2- (Tris (hydroxymethyl) methylamino) ethane-1-sulfonic acid, oo loo soo gaabiyo TES, waa unug kiimiko ah oo caadi ahaan loo isticmaalo sidii wakiilka kaydinta cilmi-baarista bayooloji iyo kiimikaad.Sida soosaarayaasha sulfonic acid ee tris(hydroxymethyl)aminomethane (Tris), TES waxay ilaalin kartaa kala duwanaanta pH ee 6.8 ilaa 8.2.Waxaa si joogta ah looga shaqeeyaa warbaahinta dhaqanka unugyada, falcelinta enzymatic, borotiinka electrophoresis, iyo cilmi baarista DNA/RNA.TES aad ayay u wanagsan tahay waxayna muhiim u tahay ilaalinta xaaladaha ugu fiican ee tijaabooyinka shaybaadhka iyo farsamooyinka kala duwan.
-
Dipso sodium CAS: 102783-62-0 Qiimaha soo saaraha
3-[N,N-Bis(hydroxyethyl)amino]-2-hydroxypropanesulphonic acid sodium cusbo, oo sidoo kale loo yaqaan BES sodium salt, waa kiimiko kiimiko ah oo caadi ahaan loo isticmaalo cilmi-baarista biochemical iyo codsiyada dawooyinka.Waa nooc ka mid ah asiidh sulfonic oo leh qaabka cusbada soodhiyamka, taasoo ka dhigaysa mid biyo-milmi kara oo deggan xalalka aqueous.
BES sodium cusbada waxay leedahay qaacido molecular oo ah C10H22NNaO6S iyo miisaan kelli ah oo qiyaastii ah 323.34 g/mol.Badanaa waxaa loo adeegsadaa sida wakiilka wax-ka-qabashada sababtoo ah awoodda ay u leedahay inay ilaaliso qiyaasta pH ee xalalka.
Xaruntan waxaa lagu yaqaanaa awoodeeda aadka u fiican si ay uga hortagto isbeddelada pH ee ay keento milanka ama ku darida asiidhka iyo saldhigyada.Waxaa caadi ahaan loo adeegsadaa falcelinta bayooloji iyo enzymatic, warbaahinta dhaqanka unugga, nadiifinta borotiinka, iyo codsiyada kale halkaasoo xakamaynta saxda ah ee pH ay muhiim u tahay.
-
D-(+)-Cellobiose CAS: 528-50-7
D-(+)-Cellobiose waa disaccharide ka samaysan laba unug oo gulukoos ah oo ay ku xidhan yihiin beta-1,4-glycosidic bond.Waxaa caadi ahaan laga helaa cellulose, oo ah qaybta ugu muhiimsan ee derbiyada unugyada dhirta.Cellobiose waa midab aan midab lahayn, adag oo crystalline ah oo ku milma biyaha.Ma dheefshiido inta badan noolaha, laakiin waxaa lagu nadiifin karaa enzymes qaarkood, sida cellobiases, si ay u soo saaraan gulukoos.Cellobiose waa dhexdhexaad muhiim ah oo ka mid ah hoos u dhaca microbial ee cellulose waxaana loo isticmaalaa codsiyada kala duwan ee bayoolojiga, oo ay ku jiraan soo saarida bayooloji.
