نتایج جستجو برای: polymer conjugation

تعداد نتایج: 106040  

Journal: :Archives of disease in childhood 1972
A P Cole T Hargreaves

Cole, A. P., and Hargreaves, T. (1972). Archives of Disease in Childhood, 47, 415. Conjugation inhibitors and early neonatal hyperbilirubinaemia. Milk and serum were obtained from 50 mothers on the 6th day post partum and examined for inhibitory activity against bilirubin conjugation in rat liver slices. Neonatal serum bilirubin levels were also analysed at this time. There was no relation betw...

Journal: :International Journal of Polymer Science 2021

This work is based on the effect of different gamma doses with pre- and post-alpha-irradiated PM-355 polymer (polycarbonate allyl diglycol). The phase crystallinity structural analysis reference irradiated were analyzed using an X-ray diffraction (XRD) study. It revealed that irradiation etching reduce %crystallinity but increase crystallite size polymer. in after supported by scanning electron...

Journal: :Nanomaterials 2021

Carbon dots (C-dots) represent an emerging class of nontoxic nanoemitters that show excitation wavelength-dependent photoluminescence (PL) with high quantum yield (QY) and minimal photobleaching. The vast majority studies focus on C-dots exhibit the strongest PL emissions in blue/green region spectrum, while longer wavelength are ideal for applications such as bioimaging, photothermal photodyna...

Journal: :Nanotechnology 2021

Abstract Several different methods are established for the analysis of gases, including optical spectroscopy, photoacoustic spectroscopy as well colorimetric and resistive sensing, measurements systems either too complex or have limited sensitivity. In particular, when goal is to apply a large number sensors in networks, it highly desirable devices that simple, low cost energy consumption, yet ...

Journal: :Nanoscale 2015
P S Pramod Ruchira Shah Manickam Jayakannan

The present work reports the development of pH and enzyme dual responsive polysaccharide vesicular nano-scaffolds for the administration of doxorubicin via physical loading and polymer-drug conjugation to breast cancer cells. Dextran was suitably modified with a renewable resource 3-pentadecyl phenol unit through imine and aliphatic ester chemical linkages that acted as pH and esterase enzyme s...

Journal: :Metal-Based Drugs 2008
Eberhard W. Neuse

Cancerous diseases present a formidable health problem worldwide. While the chemotherapy of cancer, in conjunction with other treatment modalities, has reached a significant level of maturity, efficacious use of such agents is still restricted by numerous pharmacological deficiencies, such as poor water solubility, short serum circulation lifetimes, and low bioavailability resulting from lack o...

Journal: :ACS nano 2012
Matthew C Traub Jan Vogelsang Kyle N Plunkett Colin Nuckolls Paul F Barbara David A Vanden Bout

For conjugated polymer materials, there is currently a major gap in understanding between the fundamental properties observed in single molecule measurements and the bulk electronic properties extracted from measurements of highly heterogeneous thin films. New materials and methodologies are needed to follow the evolution from single chain to bulk film properties as multiple chains begin to int...

Yousefi Gh A Shafaati Afshin Zarghi, SM Foroutan

Conjugation of methotrexate (MTX) (MW 454) with different molecular weights of polyethylene glycol (PEG) including methoxy-peg (mpeg) 750 D and 5000 D and diol-peg 35000 D led to compounds that are physicochemically highly different from the parent compound, MTX. In this study, an HPLC system consisting of C8 column and UV detector (?=342 nm), using a mixture of 30:70 v/v phosphate-citrate buff...

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