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Documenti

P9386

Sigma-Aldrich

Poly-L-histidine

mol wt 5,000-25,000

Sinonimo/i:

L-Histidine homopolymer

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About This Item

Numero CAS:
26062-48-6
Numero MDL:
MFCD00166382
Codice UNSPSC:
12352209
ID PubChem:
24899031
NACRES:
NA.26

Forma fisica

powder or solid

PM

5,000-25,000

Colore

white to light yellow

applicazioni

cell analysis

Temperatura di conservazione

−20°C

InChI

1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/t5-/m0/s1
HNDVDQJCIGZPNO-YFKPBYRVSA-N

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Categorie correlate

Descrizione generale

Poly-L-histidine is an amphoteric compound. The imidazole ring in its structure enables protonation−deprotonation.

Applicazioni

Poly-L-histidine has been used:
  • as a polycation for the dispersion of multi-wall carbon nanotubes (MWCNTs)
  • as a polyionic compound to investigate its ability to rupture extracellular enveloped virus membrane
  • in screening its anti-prion activity in cell based and in vivo anti-prion assay

Azioni biochim/fisiol

Poly-L-histidine (Phis) copolymers are biocompatible, pH responsive and are less toxic. It exhibits endolysosomal escape funcationality. The copolymer of Phis with poly(ethylene glycol)−poly(d,l-lactide) (PEG-PLA) is effective in delivering doxorubicin. pH sensitive poly(l-histidine) copolymer micelles have application in delivering anticancer drugs in acidic microenvironment.

Risultati analitici

Molecular weight by MALLS.

Altre note

For additional technical information on polyamino acids please visit the Polyamino acid FAQ resource.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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L-Istidina European Pharmacopoeia (EP) Reference Standard

H0750000

L-Istidina

Boc-His(Trt)-OH ≥98.0% (TLC)

Sigma-Aldrich

15449

Boc-His(Trt)-OH

Anti-polyHistidine−Alkaline Phosphatase antibody, Mouse monoclonal clone HIS-1, purified from hybridoma cell culture

Sigma-Aldrich

A5588

Anti-polyHistidine−Alkaline Phosphatase antibody, Mouse monoclonal

Lys-Lys-Lys-Lys ≥95% (TLC)

Sigma-Aldrich

L9026

Lys-Lys-Lys-Lys

Yi-Fang Zeng et al.
Biomaterials, 33(36), 9239-9245 (2012-10-03)
Loading of viral vectors in synthetic polymers is a promising strategy for overcoming hurdles associated with viral gene delivery. For enhanced gene expression at a specific site, gene transfer by using hydrogels represents a versatile approach. In this study, adeno-associated
Yuehua Cong et al.
Bioconjugate chemistry, 23(2), 248-263 (2012-01-17)
The efficacy of protein-based medicines can be compromised by their rapid clearance from the blood circulatory system. Achieving optimal pharmacokinetics is a key requirement for the successful development of safe protein-based medicines. Protein PEGylation is a clinically proven strategy to
Hongbo Zhang et al.
Drug metabolism and disposition: the biological fate of chemicals, 40(10), 1935-1944 (2012-07-12)
Many laboratories use recombinant UDP-glucuronosyltransferases (UGTs), expressed in baculovirus-infected insect cells, for drug glucuronidation studies. We have infected Sf9 insect cells with increasing amounts of recombinant baculovirus, encoding either UGT1A9 or UGT2B7, and measured both glucuronidation activity and immunodetectable UGT
Electrochemical determination of ascorbic acid and paracetamol in pharmaceutical formulations using a glassy carbon electrode modified with multi-wall carbon nanotubes dispersed in polyhistidine
Dalmasso PR, et al.
Sensors and Actuators B, Chemical, 173(5), 732-736 (2012)
Masaharu Kondo et al.
Biomacromolecules, 13(2), 432-438 (2012-01-14)
A polyhistidine (His) tag was fused to the C- or N-terminus of the light-harvesting (LH1)-α chain of the photosynthetic antenna core complex (LH1-RC) from Rhodobacter sphaeroides to allow immobilization of the complex on a solid substrate with defined orientation. His-tagged
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