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Art. -Nr.: HY-P10565

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(RFR)4XB

(RFR)4XB is a cationic membrane-penetrating peptide. (RFR)4XB carries its cargo (the antisense oligomer) across the outer membrane of gram-negative bacteria.

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CAS. Nr.: 1139931-15-9
Formel: C₉₃H₁₅₀N₃₈O₁₅
Molecular Weight:2040.43

Speicherung:

Please store the product under the recommended conditions in the Certificate of Analysis.

(RFR)4XB Chemical Structure

CAS. Nr.: 1139931-15-9

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Use of MCE Products

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biologische Aktivität

Beschreibung

(RFR)4XB is a cationic membrane-penetrating peptide. (RFR)4XB carries its cargo (the antisense oligomer) across the outer membrane of gram-negative bacteria^[1].

Chemical Information

CAS. Nr. 1139931-15-9
Molecular Weight 2040.43
Formel C₉₃H₁₅₀N₃₈O₁₅
Sequence

Arg-Phe-Arg-Arg-Phe-Arg-Arg-Phe-Arg-Arg-Phe-Arg-{Ahx}-{βAla}
Sequence Shortening

RFRRFRRFRRFR-{Ahx}-{βAla}
Versand

Room temperature in continental US; may vary elsewhere.
Speicherung

Please store the product under the recommended conditions in the Certificate of Analysis.

Protokoll

All Histomorphology

Gram Staining of Tissue Sections
Gram staining of tissue sections is a histochemical technique used to differentiate Gram-positive and Gram-negative bacteria within histological specimens based on differences in bacterial cell wall structure and dye retention, adapted from classical bacteriological Gram staining into tissue-compatible “histological Gram stain” variants. In tissue applications, modifications of the Brown-Hopps and Brown-Brenn methods are commonly used to improve differentiation of microorganisms embedded within host connective tissue and to reduce overstaining or loss of Gram-negative signal, which are known limitations of earlier approaches. The principle relies on crystal violet-iodine complex retention in Gram-positive organisms and subsequent decolorization and counterstaining steps that allow contrast visualization of Gram-negative organisms against tissue background.

Reinheit & Dokumentation

Select Batch:

Reinheit: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (257 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

Verweise

[1]. Mellbye BL, et al. Variations in amino acid composition of antisense peptide-phosphorodiamidate morpholino oligomer affect potency against Escherichia coli in vitro and in vivo. Antimicrob Agents Chemother. 2009 Feb;53(2):525-30. [Content Brief]

Calculators

Molaritätsrechner

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Mass Mass

Konzentration Konzentration

Volumen Volumen

Molecular Weight Molecular Weight

Verdünnungsrechner

Konzentration _{(Stammlösung)} × Volumen _{(Stammlösung)} = Konzentration _{(Ziellösung)} × Volumen _{(Ziellösung)}

Konzentration _{(Stammlösung)} Konzentration _{(Stammlösung)}

Volumen _{(Stammlösung)} Volumen _{(Stammlösung)}

Konzentration _{(Ziellösung)} Konzentration _{(Ziellösung)}

Volumen _{(Ziellösung)} Volumen _{(Ziellösung)}

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Bioz

Keywords

MOQ

Minimum order quantity

100 mg

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