N-Acetylneuraminic acid CAS 131-48-6

Believe Chemical ke moetsi ea ka sehloohong oa China N-Acetylneuraminic acid CAS 131-48-6 moetsi, mofani oa thepa le kantle ho naha. Ho khomarela ho lelekisa boleng bo phethahetseng ba lihlahisoa, e le hore N-Acetylneuraminic acid CAS 131-48-6 ea rona e khotsofatsoe ke bareki ba bangata. Shandong Dumela

Re hantle melemo ea lihlahisoa tsa lik'hemik'hale tšimong. Lihlahisoa tsa rona li romeloa linaheng tse ling ho ea Europe, United States, Japane, Korea Boroa, Asia Boroa-bochabela le linaheng tse ling le libaka. Ka saense le thekenoloji e le tataiso, botšepehi e le motheo, boleng e le bophelo, le ho itšetleha ka khopolo ea khoebo ea ho nchafatsa le nts'etsopele, re tšepa ka tieo ho theha phapanyetsano le tšebelisano e pharaletseng le bareki ba malapeng le ba tsoang linaheng tse ling ho theha nala!

N-Acetylneuraminic acid CAS 131-48-6 Tlhaloso ea Lik'hemik'hale

N-Acetylneuraminic acid CAS 131-48-6 Lintho tsa Lik'hemik'hale

Sebaka sa ho qhibiliha 184-186 â
Lebelo le khethehileng -32 º (c=2, metsi)
Ntho e belang 449.56 â (khakanyo e boima)
Density 1.3580 (khakanyo e boima)
Refractive index -32 ° (c=1, H2O
Maemo a polokelo -20 ° C
Sollubility 50g/l (20 â)
Acidity coefficient (PKA) 2.41 ± 0.54 (boleng bo boletsoeng esale pele)
Morphology, crystallization
'Mala: bosoeu

N-Acetylneuraminic acid CAS 131-48-6 Kopo

N-acetylneuraminic acid sialic acid (N-acyl neuraminic acid) ke tsoekere e ajoang ka ho fetisisa ka tlhaho, eo haholo-holo e entsoeng ka li-glycoprotein, glycolipids kapa lintho tsa baktheria tsa capsule tse ka har'a lisele tsa liphoofolo kapa li-secretions. Ho li-glycoprotein kapa glycolipids, sehlopha sa ketone se boemong ba 2 se theha tlamo ea glycosidic, e etsang hore e be pheletsong e sa fokotseng ea ketane ea lehlakore la tsoekere. Tefiso ea eona e mpe kapa sebopeho se ikhethileng sa lik'hemik'hale se etsa hore e be le litšobotsi tse fapaneng tsa 'mele. Enzyme e etsang hydrolyzes le ho tlosa terminal n-acetylneuraminidase (neuraminidase) e ajoa haholo tlhahong, ho tloha ho livaerase ho ea ho liphoofolo. Ka liphetoho tsa tšebetso ea 'mele ea buka ena ea lik'hemik'hale ea enzyme, karolo ea masalla a tsoekere e nang le asiti e se e hlakisitsoe. Ka mohlala, masala ana a tsoekere a etsa sebaka se tlamang sa kokoana-hloko ea ntaramane ka har'a lera la erythrocyte 'me se phetha karolo e kholo tabeng ea ho hlokomelana pakeng tsa plasma glycoprotein le hepatocyte kapa mokhoa oa ho lemoha ha lymphocyte tseleng ea ho potoloha. Leha tsela ea biosynthetic e batla e fapane ho liphoofolo le libaktheria, kaofela e feta N-acetylmannosamine kapa 6-phosphate ea eona, e hlahisoang ke pyrophosphatase e itseng mme e sebetsana le CTP ho hlahisa CMP-N-acetylneuraminic acid, e kenyellelitsoeng tsoekere. ketane ka karabelo ea phetisetso ea glycosyl.