Dipeptide-6/18684-24-7/GT Peptide/Onye na-eweta Peptide

Nkọwa

Dipeptide-6na-apụta dị ka ọcha na-acha ọcha ntụ ntụ ma na-agbaze na mmiri.Ezigbo ndakọrịta na akpụkpọ ahụ.Ọ dị mfe itinye.Ezigbo mgbochi ịka nká, mmetụta nchebe akpụkpọ ahụ.

Nkọwapụta

Apperance: White na-acha ọcha ntụ ntụ

Ịdị ọcha (HPLC):≥98.0%

Otu adịghị ọcha:≤2.0%

Ọdịnaya Acetate (HPLC): 5.0%～12.0%

Ọdịnaya Mmiri (Karl Fischer):≤10.0%

Ọdịnaya Peptide:≥80.0%

Mbupu na mbupu: Okpomọkụ dị ala, nkwakọ ngwaahịa agụụ, ziri ezi na mg dị ka achọrọ.

Kedu ka esi ịtụ ahịa?

1. Contact us directly by phone or email: +86-13735575465, sales1@gotopbio.com.

2. Nye iwu online.Biko dejupụta akwụkwọ a chọrọ n'ịntanetị.

3. Nye aha peptide, CAS No. ma ọ bụ usoro, ịdị ọcha na mgbanwe ma ọ bụrụ na achọrọ, ọnụ ọgụgụ, wdg anyị ga-enye nkwupụta n'ime awa 2.

4. Nye iwu nkwekọrịta site n'aka nkwekọrịta ire ahịa nke ọma na NDA(nkwekọrịta enweghị nkwupụta) ma ọ bụ nkwekọrịta nzuzo.

5. Anyị ga-anọgide na-emelite ọganihu usoro n'oge.

6. A ga-enyefe Peptide site na DHL, Fedex ma ọ bụ ndị ọzọ, na HPLC, MS, COA na ibu.

7. A ga-agbaso iwu nkwụghachi ma ọ bụrụ na enwere ọdịiche nke àgwà ma ọ bụ ọrụ anyị.

8. Mgbe-sale ọrụ: Ọ bụrụ na anyị ahịa nwere ajụjụ ọ bụla banyere anyị peptide n'oge nnwale, biko na-eche free ịkpọtụrụ anyị na anyị ga-aza ya na a obere oge.

A na-eji ngwaahịa niile nke ụlọ ọrụ ahụ naanị maka ebumnuche nyocha sayensị, ya'Amachibidoro ka onye ọ bụla jiri ya mee ihe n'ahụ mmadụ.

FAQ

Kedu ihe mgbochi na ogologo peptides sịntetik?

The polypeptide synthesized anyị ụlọ ọrụ bụ 6 ~ 50 amino asịd n'ogologo.Usoro nhazi usoro siri ike na-emepụtakarị peptides nke amino acid 6 ruo 50.

Otu esi akọwa ọnụ ọgụgụ P+Na na P+K na MALDI(MS)?

A na-ahụkarị ọnụ ọnụ Na na K na MALDI, sodium na potassium na-esite na mmiri mgbaze.Ọbụna mmiri a kpụkọrọ akpụkọ na deionized nwere ike ịnwe ion sodium na potassium nke enweghị ike iwepụ kpamkpam.Ha na-etinyekwa ionize ma jikọta na otu carboxyl efu nke peptide n'oge spectrometry mass.N'ihi na enweghị usoro nchacha iji wepụ sodium na potassium ion na mmiri, ọ bụ ihe a na-apụghị izere ezere mgbe ụfọdụ na ọnụ ọgụgụ sodium na potassium na-apụta na map MALDI MS.

Biko kọwaa atụmatụ ịsacha ọcha gị

A na-asachapụ peptides nke ụlọ ọrụ anyị rụpụtara site na nkwadebe ntụgharị-phase HPLC na TFA na pH 2 agbakwunyere na usoro mkpanaka abụọ ahụ.Usoro A bụ 0.1% TFA na mmiri ultra-dị ọcha, na akụkụ B bụ 0.1% TFA na ACN, pH 2. Enwere ike ịgbaze ihe nlele ahụ ozugbo na oge A, ma ọ bụ gbazee na obere ego nke B ma tinye ya na A nkeji.Mgbe ụfọdụ, ọ nwere ike ịdị mkpa igbari hydrophobic peptides na ihe mgbaze siri ike dị ka formic acid ma ọ bụ acetic acid, dabere na usoro nke peptide.Na pH 6.8, ọ na-esiri ike igbari na sachaa peptide ahụ, yabụ anyị na-agbari peptide mbụ wee jiri usoro mkpanaka abụọ maka gradient elution.Ngwọta nchekwa na pH 6.8 bụ 10 mM ammonium acetate na mmiri ultra-dị ọcha (usoro mkpanaka A), ACN dị ọcha (usoro mkpanaka B).MADLI-TOF MS chịkọtara ma chọpụta akụrụngwa dị iche iche.Atụlela ịdị ọcha site na mgbagha HPLC.Mgbe ahụ, a na-eme ka peptides lekwasịrị anya lyophilized, na-ejikọta peptides lyophilized n'ime obere vial.

Kedu otu esi enyocha ngwaahịa gị?

HPLC na MS nyochara peptides niile sịntetik, ewezuga MALDIMS.Ebe ọ bụ na peptides bụ ionized n'usoro nke ha na spectrometers dị iche iche, HPLC-MS usoro nwere ike iji nyochaa ọnụ ọgụgụ kasị elu nke ionization na HPLC.Ngwá ọrụ teknụzụ anyị [MALDI-MS, HPLC- (ESI) MS (ion trap na tetrode array)] na-enye mmesi obi ike maka nyocha.

Solubility nke peptide nwere njikọ na ogo nke peptide?

Ihe peptides sịntetik anaghị agbaze nke ọma, peptides nwere nsogbu, nri?

A: O siri ike ịkọ kpọmkwem otú peptide siri ike na ihe mgbaze kwesịrị ekwesị bụ.Ọ bụghị eziokwu na enwere nsogbu na peptide synthesis ma ọ bụrụ na ọ siri ike igbari.

Kedu ka esi echekwa peptides na ngwọta?

Ọ bụrụ na ị ga-echekwarịrị peptides gị n'ime mmiri mmiri, jiri ihe nchekwa igba ogwu na PH 5-6 wee chekwaa na -20.℃ịgbatị ndụ nke peptides gị na ngwọta.

Ogologo oge ole ka peptides na-adịru na ngwọta?

Ọ kacha mma ka ị ghara ịchekwa peptides fọdụrụnụ na ngwọta.Ndụ nchekwa nke polypeptides na ngwọta dị oke oke, ọkachasị ndị nwere cysteine, methionine, tryptophan, asparagic acid, glutamic acid na N-terminal glutamic acid n'usoro.N'ozuzu, wepụ mkpa ego nke ojiji, ndị fọdụrụ n'ime ifriizi Fikiere maka ogologo oge nchekwa.