Tetrapeptide-21/960608-17-7/GT Peptide/Mai Sayar da Peptide

Bayani

Tetrapeptide-21tetrapeptide ne da aka samu daga fata kanta.Yana da tsari na musamman kuma yana iya inganta haɓakar matrix na extracellular, don haka rage wrinkles da inganta tsufa na fata.Tetrapeptide-21 ya fi tasiri fiye da Matrixyl, wanda shine sanannen tushe peptide akan kasuwa.

Ƙayyadaddun bayanai

Apperance: Fari zuwa kashe-fari foda

Tsarki (HPLC):≥98.0%

Tsaftace Guda Daya:≤2.0%

Abun cikin Acetate (HPLC): 5.0%～12.0%

Abubuwan Ruwa (Karl Fischer):≤10.0%

Abun cikin Peptide:≥80.0%

Shiryawa da jigilar kaya: Ƙananan zafin jiki, shiryawar injin, daidai zuwa MG kamar yadda ake buƙata.

Yadda Ake Oda?

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

2. Yi oda akan layi.Da fatan za a cika tsari na kan layi.

3. Samar da sunan peptide, CAS No. ko jerin, tsabta da gyare-gyare idan an buƙata, yawa, da dai sauransu za mu samar da zance a cikin 2 hours.

4. oda conformation ta duly sa hannu tallace-tallace kwangila da kuma NDA(ba bayyana yarjejeniya) ko sirri yarjejeniya.

5. Za mu ci gaba da sabunta tsarin ci gaba a cikin lokaci.

6. Bayar da Peptide ta DHL, Fedex ko wasu, da HPLC, MS, COA za a ba su tare da kaya.

7. Za a bi manufar mayar da kuɗi idan wani rashin daidaituwa na ingancinmu ko sabis ɗinmu.

8. Bayan-sale sabis: Idan mu abokan ciniki suna da wasu tambayoyi game da mu peptide a lokacin gwaji, don Allah ji free tuntube mu kuma za mu amsa da shi a cikin wani gajeren lokaci.

Duk samfuran kamfanin ana amfani da su ne kawai don dalilai na bincike na kimiyya, shi's an haramta yin amfani da shi kai tsaye da kowane mutum a jikin ɗan adam.

FAQ

Menene iyakance akan tsawon peptides na roba?

The polypeptide hada da mu kamfanin ne 6 ~ 50 amino acid a tsawon.Madaidaitan hanyoyin haɗin lokaci mai ƙarfi yawanci suna samar da peptides na amino acid 6 zuwa 50.

Yadda ake bayyana kololuwar P+Na da P+K a cikin MALDI(MS)?

Ana yawan ganin kololuwar Na da K a MALDI, kuma sodium da potassium suna fitowa ne daga ruwan kaushi.Ko da distilled da deionized ruwa iya ƙunsar alama adadin sodium da potassium ions da ba za a iya cire gaba daya.Hakanan suna yin ionize kuma suna ɗaure ga rukunin carboxyl na peptide kyauta yayin kallon kallon taro.Domin babu tsarin tsarkakewa don cire sodium da potassium ions daga cikin ruwa, wani lokacin babu makawa a sami kololuwar sodium da potassium a cikin taswirar MALDI MS.

Da fatan za a kwatanta dabarun tsarkakewa

Abubuwan peptides ɗin da kamfaninmu ya haɗa an tsarkake su ta hanyar shirye-shiryen juyawa-lokaci na HPLC tare da TFA da pH 2 waɗanda aka ƙara zuwa bangarorin wayar hannu biyu.Mataki na A shine 0.1% TFA a cikin ruwa mai tsabta, kuma lokaci B shine 0.1% TFA a cikin ACN, pH 2. Za'a iya narkar da samfurin kai tsaye a cikin A lokaci, ko kuma narkar da shi a cikin ƙaramin adadin B kuma an diluted tare da A lokaci.Wani lokaci yana iya zama dole don narkar da peptides hydrophobic tare da kaushi mai ƙarfi irin su formic acid ko acetic acid, dangane da jerin peptide.A pH 6.8, yana da wahala gabaɗaya don narkewa da tsarkake peptide, don haka gabaɗaya muna narkar da peptide da farko sannan mu yi amfani da matakan wayar hannu guda biyu don gradient elution.Maganin buffer a pH 6.8 shine 10 mM ammonium acetate a cikin ruwa mai tsabta (lokacin wayar hannu A), ACN mai tsabta (fasalin wayar hannu B).An tattara abubuwa daban-daban kuma an gano su ta MADLI-TOF MS.An tantance tsafta ta hanyar juyawa-lokaci HPLC.Sa'an nan kuma, peptides da aka yi niyya sun kasance lyophilized, kuma an haɗa su da peptides na lyophilized a cikin ƙananan vials.

Yaya kuke saka idanu akan samfuran ku?

HPLC da MS sun yi nazarin duk peptides na roba, ban da MALDIMS.Tun da peptides an ionized a cikin nasu jerin a daban-daban taro spectrometers, HPLC-MS dabaru za a iya amfani da su bincika wadanda kololuwa na ionization a HPLC.Kayan aikin mu na fasaha [MALDI-MS, HPLC- (ESI) MS (ion trap da tetrode array)] yana ba da tabbacin abin dogara don bincike.

Shin solubility na peptide yana da alaƙa da ingancin peptide?

peptides na roba ba sa narke da kyau, peptides suna da matsala, daidai?

A: Yana da wuya a iya hango ko hasashen daidai yadda mai narkewa peptide yake da abin da ya dace da sauran ƙarfi.Ba gaskiya ba ne cewa akwai matsala tare da peptide kira idan yana da wuya a narke.

Yaya ake adana peptides a cikin bayani?

Idan dole ne a adana peptides ɗinku a cikin ruwa, yi amfani da buffer da aka haifuwa a PH 5-6 kuma adana a -20℃don tsawaita rayuwar peptides a cikin bayani.

Yaya tsawon lokacin peptides ke ɗorewa a cikin bayani?

Zai fi kyau kada a adana ragowar peptides a cikin bayani.Rayuwar shiryayye na polypeptides a cikin bayani yana da iyaka sosai, musamman waɗanda ke da cysteine, methionine, tryptophan, asparagic acid, glutamic acid, da N-terminal glutamic acid a cikin jerin.Gabaɗaya, fitar da adadin da ake buƙata na amfani, sauran daskare sun bushe don adana dogon lokaci.