-
Diethylene triamine pentaacetic acid CAS: 67-43-6
Diethylene triamine pentaacetic acid (DTPA) ke motsoako oa lik'hemik'hale o sebelisoang hangata e le moemeli oa chelating. E na le bokhoni ba ho kopana le li-ion tsa tšepe e boima, haholo-holo tse kang loto, mercury le cadmium, ho theha metsoako e tsitsitseng. DTPA e sebelisoa lits'ebetsong tse fapaneng, ho kenyeletsoa le tokiso ea tikoloho, kalafo ea bongaka, lits'ebetso tsa indasteri le meriana ea radiopharmaceuticals. Matla a eona a chelating ea tšepe a etsa hore e sebetse hantle ho tloseng litšepe tse boima metsing a litšila, ho phekola chefo ea tšepe e boima, ho thibela tšitiso liketsong tsa lik'hemik'hale, le ho nolofatsa ho fanoa ha meriana ea phekolo e reretsoeng. Ka kakaretso, DTPA ke motsoako o feto-fetohang o nang le lits'ebetso tsa bohlokoa liindastering tse fapaneng.
-
2,2'-Oxybis(ethylamine) dihydrochloride CAS:60792-79-2
2,2′-Oxybis(ethylamine) dihydrochloride, e tsejoang hape e le diethylenetriamine, ke motsoako oa lik'hemik'hale o nang le foromo ea limolek'hule C6H16N2Cl2. Ke mokelikeli o hlakileng, o se nang 'mala o nang le monko o ikhethang.
Diethylenetriamine e sebelisoa haholo-holo e le lejoe la moaho ho kopanyeng metsoako e fapaneng ea lintho tse phelang. E sebelisoa hangata e le moemeli oa ho hokahanya tlhahiso ea thepa ea polymeric, joalo ka li-resin, likhomaretsi le lipente. E ka boela ea sebetsa e le moemeli oa chelating bakeng sa li-ion tsa tšepe, e leng se etsang hore e be molemo lits'ebetsong tse kang ho penta tšepe le kalafo ea metsi.
Ho phaella moo, diethylenetriamine e sebediswa indastering ya meriana e le sesebediswa sa ho qala ho kopanya meriana e itseng le di-intermediate tsa meriana. E ka fetolwa ho hlahisa mesebetsi e itseng le ho ntlafatsa katleho ya meriana.
-
Ethidium Bromide CAS:1239-45-8
Ethidium bromide (EtBr) ke dae e tloaelehileng ea fluorescent e sebelisoang baelojing ea limolek'hule le biochemistry bakeng sa ho bona li-nucleic acid, haholo-holo DNA, ho agarose gel electrophoresis. E na le kamano e phahameng le DNA 'me, ha e pepesehetse khanya ea ultraviolet (UV), ea phatsima 'me e ntša' mala o mofubelu-lamunu. Sena se lumella bafuputsi ho lemoha le ho sekaseka likaroloana tsa DNA tse arotsoeng ka boholo ka har'a matrix ea gel.
EtBr e kopana pakeng tsa dipara tsa motheo tsa DNA le RNA, e leng se bakang phetoho matleng a yona a ho bonesa. Hangata e eketsoa ho dijel tsa agarose kapa e kopantswe le disampole tsa DNA pele ho electrophoresis. Ha jel e pepesetswa kganya ya UV, dihlopha tsa DNA tse nang le EtBr di hlaha e le dihlopha tse kganyang tsa lamunu kgahlanong le semelo se lefifi, e leng se etsang hore ho be bonolo ho bona le ho sekaseka dikotwana tsa DNA.
-
3,3′-Diaminobenzidine CAS:91-95-2
3,3′-Diaminobenzidine (DAB) ke motsoako oa lik'hemik'hale o sebelisoang haholo ho biochemistry le histology bakeng sa ho taka liprotheine, nucleic acid, le macromolecules tse ling. Ha e oxidized, e etsa precipitate e 'mala o sootho e bonoang habonolo tlas'a microscope. Hangata ho taka DAB ho sebelisoa ho lemoha boteng le sebaka sa limolek'hule tse itseng, joalo ka li-antigen kapa li-enzyme, liseleng le liseleng. Ke khetho e tsebahalang bakeng sa mekhoa ea immunohistochemistry le immunocytochemistry ka lebaka la kutloisiso ea eona e phahameng le botsitso. Ho taka DAB ho ka fana ka temohisiso ea bohlokoa mabapi le meaho ea sele le likamano tsa limolek'hule, ho thusa lipatlisisong le tlhahlobong mafapheng a kang bongaka, baeloji le pathology.
-
Glycine CAS: 56-40-6 Theko ea moetsi
Glycine ke e 'ngoe ea li-amino acid tse bonolo ka ho fetisisa 'me e nkoa e se ea bohlokoa, ho bolelang hore' mele o ka e hlahisa o le mong. E bapala karolo ea bohlokoa tlhahisong ea liprotheine, e sebetsa e le motheo oa ho theha protheine.
Glycine e boetse e ameha lits'ebetsong tse fapaneng tsa metabolism 'meleng. E sebetsa e le selelekela sa metsoako e 'maloa ea bohlokoa, ho kenyeletsoa heme (karolo ea hemoglobin) le creatine (ea bohlokoa bakeng sa metabolism ea matla mesifa).
Ho phaella moo, glycine e sebetsa e le neurotransmitter tsamaisong ya methapo e bohareng, e bapala karolo ho fetoleng thabo ya disele tsa methapo. E amana le ho kgothaletsa phomolo, kgotso le boleng bo ntlafetseng ba boroko.
Glycine e fumaneha ka tlhaho mehloling e mengata ea lijo, ho kenyeletsoa nama, likhoho, tlhapi, lihlahisoa tsa lebese, linaoa le litholoana le meroho e itseng. Tlatsetso ea eona e ka sebelisoa ho tšehetsa kholo ea mesifa, ho ntlafatsa boleng ba boroko le ho khothaletsa boiketlo ka kakaretso.
-
4-METHOXYBENZENEDIAZONIUM TETRAFLUOROBORATE CAS:459-64-3
4-Methoxybenzenediazonium tetrafluoroborate ke motsoako oa lik'hemik'hale o leng oa sehlopha sa letsoai la diazonium. E na le sehlopha sa diazonium (N≡N⁺) se hoketsoeng lesale la 4-methoxybenzene, 'me khanyetso ea eona ke tetrafluoroborate (BF4⁻).
Matswai a diazonium a tsebahala ka ho sebetsa ha ona mme a sebediswa hangata e le di-intermediate diphetohong tse fapaneng tsa tlhahiso ya tlhaho. A ka feta diphetohong tse fapaneng, ho kenyeletswa le phetoho ya monko o monate wa electrophilic, diphetoho tsa ho kopanya, le tlhahiso ya dae ya azo.
4-Methoxybenzenediazonium tetrafluoroborate e sebelisitsoe ka ho khetheha k'hemistring ea lintho tse phelang ho hlahisa sehlopha sa 4-methoxybenzene ho limolek'hule tse ling ka liketso tsa ho kopanya diazonium. Ke sesebelisoa se thusang ho kopanya li-derivative tsa aryl 'me se ka sebelisoa ho lokiseng meriana, lik'hemik'hale tsa temo le metsoako e meng ea lintho tse phelang.
-
Iodonitrotetrazolium chloride CAS:146-68-9
Iodonitrotetrazolium chloride ke motsoako o sebediswang haholo-holo ditekong tsa baeloji le tsa biochemical ho lemoha boteng ba dienzyme tsa dehydrogenase. Hangata e sebediswa e le dae ya redox ho bona tshebetso ya metabolism ya sele. Motswako hangata ha o na mmala empa o etsa sehlahiswa sa formazan e kgubedu ha e arabela le dienzyme tse ikgethang tse teng diseleng tse phelang. Karabelo ena e dumella bafuputsi ho bona ka mahlo mosebetsi le ho phela ha disele ditekong kapa ditekong tsa tlhahlobo.
-
4-Nitrophenyl phosphate disodium letsoai hexahydrate CAS:4264-83-9
4-Nitrophenyl phosphate disodium salt hexahydrate ke motsoako oa lik'hemik'hale o sebelisoang hangata e le substrate bakeng sa ho lemoha ts'ebetso ea li-enzyme tsa phosphatase. O hlaha e le phofo e tšoeu ho isa ho e tšoeu 'me o qhibiliha haholo ka metsing. Ha o sebelisoa ke li-enzyme tsa phosphatase, o feta karabelong e fellang ka tlhahiso ea 'mala o mosehla, o ka lekanyetsoang ka spectrophotometric. Motsoako ona o fumana lits'ebetso litekong tse fapaneng tsa biochemical le lisebelisoa tsa tlhahlobo bakeng sa ho lemoha le ho lekanya ts'ebetso ea phosphatase lisampoleng..
-
Methylphenazinium methosulfate CAS:299-11-6
Methylphenazinium methosulfate (MPMS) ke motsoako o sebetsang ka redox o atisang ho sebelisoa e le mojari oa lielektrone lithutong tse fapaneng tsa biochemical le biophysical. Ke letsoai le nang le methylphenazinium cation (motsoako oa heterocyclic) le methosulfate anion.
Hangata MPMS e sebelisoa e le mokhoa o mong oa ho jara lielektrone tsa setso, joalo ka ferricyanide kapa phenazine ethosulfate, ka lebaka la botsitso ba eona le ho qhibiliha ho hoholo metsing. E na le thepa e ntle ea redox, e e lumellang ho amohela le ho fetisetsa lielektrone nakong ea liketso tsa enzymatic.
E 'ngoe ea lits'ebetso tsa bohlokoa tsa MPMS ke litekong tse kenyeletsang ho lekanya phetiso ea lielektrone kapa ts'ebetso ea enzymatic. E sebelisoa khafetsa hammoho le sistimi ea enzyme ho beha leihlo phetiso ea lielektrone lipakeng tsa likarolo tse fapaneng. Phokotso ea MPMS e ka bonoa ka spectrophotometric, moo monya oa eona o fetohang ka lebaka la lits'ebetso tsa phetiso ea lielektrone.
MPMS e boetse e sebelisoa lithutong tse amanang le ho hema ha mitochondrial le phosphorylation ea oxidative. E ka sebetsa e le moamoheli oa elektronike oa maiketsetso, e lumellang bafuputsi ho batlisisa ts'ebetso le taolo ea lits'ebetso tsena litsamaisong tse fapaneng tsa baeloji.
-
4-Nitrophenyl-alpha-L-fucopyranoside CAS:10231-84-2
4-Nitrophenyl-alpha-L-fucopyranoside ke motsoako oa lik'hemik'hale o leng oa lelapa la li-glycoside. E entsoe ka molek'hule ea tsoekere ea fucose e hoketsoeng sehlopheng sa 4-nitrophenyl. Motsoako ona o sebelisoa hangata e le substrate litekong tsa enzymatic ho ithuta ts'ebetso ea li-fucosidase, e leng li-enzyme tse amehang ho heleheng ha limolek'hule tse nang le fucose. Ha e sebetsoa ke enzyme ea fucosidase, 4-nitrophenyl-alpha-L-fucopyranoside ea petsoha, e leng se fellang ka ho lokolloa ha 4-nitrophenol, e ka lekanngoang ka bongata ho sebelisoa spectrophotometry. Substrate ena e na le thuso haholo lithutong tse amanang le ts'ebetso ea enzymatic, ho khetheha ha substrate, tlhahlobo ea li-inhibitor, le kinetics ea li-enzyme tsa fucosidase.
-
N-Ethylmaleimide CAS:128-53-0 Theko ea moetsi
N-Ethylmaleimide (NEM) ke motsoako o monyane wa tlhaho o sebediswang haholo dipatlisisong tsa biochemistry le baeloji ya dimolek'hule. E sebetsa e le thibelo e ikgethang ya dihlopha tsa protheine sulfhydryl (thiol) ka ho fetola le ho thibela tshebetso ya tsona ka tsela e ke keng ya fetolwa. NEM e arabela haholo dihlopheng tsa sulfhydryl, tse kang tse fumanwang ho amino acid cysteine, mme e ka arabela ka dihlopha tsa free sulfhydryl le tse ka hara diprotheine. Sena se etsa hore NEM e be sesebediswa se molemo bakeng sa ho ithuta tshebetso ya protheine, dikamano tsa protheine le protheine, le mosebetsi wa enzyme. Dithoto tsa yona tsa thibelo di sebedisitswe dikopong tse fapaneng, ho kenyeletswa proteomics, enzymology, biology ya sebopeho, le ho sibolla dithethefatsi.
-
4-Fluoro-7-nitrobenzofurazan CAS:29270-56-2
4-Fluoro-7-nitrobenzofurazan ke motsoako oa lik'hemik'hale o nang le foromo ea limolek'hule C6H2FN3O3. Ke kristale e mosehla e tiileng e sebelisoang haholo-holo e le reagent liketsong tse fapaneng tsa lik'hemik'hale. 4-Fluoro-7-nitrobenzofurazan e tsebahala ka bokhoni ba eona ba ho arabela le li-amine tsa mantlha, e leng se etsang li-derivatives tsa fluorescent tse ka bang molemo lits'ebetsong tsa tlhahlobo tse kang ho ngola liprotheine le tlhahlobo ea amino acid. E boetse e sebelisoa lithutong tse amanang le kinetics ea enzyme le ho fumana tatellano ea li-nucleic acid.
