Results 291 to 300 of about 223,239 (351)
Biomimetic Fibrinogen Nanofiber Scaffolds for Vascular Hematopoietic Stem Cell Niche Engineering
Advanced Healthcare Materials, EarlyView.This study presents an advanced in vitro model of the vascular hematopoietic stem cell niche using self‐assembled fibrinogen nanofibers, mimicking the basement membrane in bone marrow (BM) sinusoids. The model supports the coculture of microvascular endothelial cells, stromal cells, and hematopoietic stem and progenitor cells, providing insights into ...
Sophia Lena Meermeyer +4 more
wiley +1 more source
Advanced Healthcare Materials, EarlyView.Protein corona plays a critical role in the biological behavior of nanoparticles. This study investigates the distribution of complement proteins in soft corona and their impact on the macrophage uptake of polymer nanoparticles. It underlines the significance of soft corona investigation for understanding in vivo performance of nanomedicines.
Ying Qiu +8 more
wiley +1 more source
Advanced Healthcare Materials, EarlyView.We have developed a smart hair‐repair ingredient based on β‐carboxylic acid amide that undergoes negative‐to‐positive charge conversion under mildly acidic conditions. The initial negative charge facilitates deep penetration into the hair fiber, while the subsequent positive charge enables re‐bonding with sulfonate groups in damaged hair keratin.
Sunyoung Kang +8 more
wiley +1 more source
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Analytical Chemistry, 2002
Two derivatives of fluorescein, termed "xanthamides," were prepared from fluorescein, an inexpensive dye. Relative to fluorescein, which contains a 6-phenolic OH and a 2'-carboxyl, the first derivative (5) contains a carboxymethyl ether at the 6-position and a secondary amide of dimethylamine at the 2'-position.
Jianxin, Gao +2 more
openaire +2 more sources
Two derivatives of fluorescein, termed "xanthamides," were prepared from fluorescein, an inexpensive dye. Relative to fluorescein, which contains a 6-phenolic OH and a 2'-carboxyl, the first derivative (5) contains a carboxymethyl ether at the 6-position and a secondary amide of dimethylamine at the 2'-position.
Jianxin, Gao +2 more
openaire +2 more sources
Alkoxy-Substituted Quadrupolar Fluorescent Dyes
Journal of the American Chemical Society, 2022Polar and polarizable π-conjugated organic molecules containing push-pull chromophores have been investigated extensively in the past. Identifying unique backbones and building blocks for fluorescent dyes is a timely exercise. Here, we report the synthesis and characterization of a series of fluorescent dyes containing quadrupolar A-D-A constitutions ...
Yuanning Feng +9 more
openaire +2 more sources
Terrylenimides: New NIR Fluorescent Dyes
Chemistry – A European Journal, 1997AbstractTerrylenimides 3 and 4 represent a new class of blue colorants, exhibiting absorption maxima at 650 to 700 nm and fluorescence emissions in the NIR region (673 to 750 nm). The terrylenimides were synthesized by means of various organometallic coupling reactions, catalyzed by transition metal complexes (Nio, Pdo) and starting from the aromatic ...
Holtrup, F. +5 more
openaire +3 more sources
Axially Chiral Bichromophoric Fluorescent Dyes
The Journal of Organic Chemistry, 2011A new life for Kurt Mislow's authentic amines: Diaminobiphenyls were applied as the framework materials for the synthesis of axially chiral bichromophoric systems with strong CD and CPL effects.
Heinz, Langhals +4 more
openaire +2 more sources
Fluorescent Amino- and Thiopyronin Dyes
Organic Letters, 2008Highly fluorescent rhodamine/rosamine analogues 2 were prepared from ketone 1.
Liangxing, Wu, Kevin, Burgess
openaire +2 more sources