Pre-nucleation dynamics of organic molecule self-assembly investigated by PEEM

2011 ◽  
Vol 13 (10) ◽  
pp. 4693 ◽  
Author(s):  
Alexander J. Fleming ◽  
Stephen Berkebile ◽  
Thomas Ules ◽  
Michael G. Ramsey
Keyword(s):  
Self Assembly ◽  
Organic Molecule

scholarly journals Organic Nanoparticles Based on D-A-D Small Molecule: Self-Assembly, Photophysical Properties, and Synergistic Photodynamic/Photothermal Effects

Materials ◽  
2022 ◽  
Vol 15 (2) ◽  
pp. 502
Author(s):  
Liangliang Yue ◽  
Haolan Li ◽  
Qi Sun ◽  
Xiaogang Luo ◽  
Fengshou Wu ◽  
...  
Keyword(s):  
Self Assembly ◽  
Organic Molecule ◽  
High Efficiency ◽  
Photophysical Properties ◽  
Coupling Reaction ◽  
Ros Generation ◽  
Dead Cell ◽  
Minimal Invasiveness ◽  
Sonogashira Coupling Reaction ◽  
Potential Strategy

Cancer is one of the major diseases threatening human health. Traditional cancer treatments have notable side-effects as they can damage the immune system. Recently, phototherapy, as a potential strategy for clinical cancer therapy, has received wide attention due to its minimal invasiveness and high efficiency. Herein, a small organic molecule (PTA) with a D-A-D structure was prepared via a Sonogashira coupling reaction between the electron-withdrawing dibromo-perylenediimide and electron-donating 4-ethynyl-N,N-diphenylaniline. The amphiphilic organic molecule was then transformed into nanoparticles (PTA-NPs) through the self-assembling method. Upon laser irradiation at 635 nm, PTA-NPs displayed a high photothermal conversion efficiency (PCE = 43%) together with efficient reactive oxygen species (ROS) generation. The fluorescence images also indicated the production of ROS in cancer cells with PTA-NPs. In addition, the biocompatibility and photocytotoxicity of PTA-NPs were evaluated by 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay and live/dead cell co-staining test. Therefore, the as-prepared organic nanomaterials were demonstrated as promising nanomaterials for cancer phototherapy in the clinic.

Directed self-assembly of peptide–diketopyrrolopyrrole conjugates – a platform for bio-organic thin film preparation

Soft Matter ◽  
2020 ◽  
Vol 16 (28) ◽  
pp. 6563-6571
Author(s):  
Aakanksha Rani ◽  
Iman Kavianinia ◽  
Paul Hume ◽  
Luis M. De Leon-Rodriguez ◽  
Shinji Kihara ◽  
...  
Keyword(s):  
Thin Film ◽  
Long Range ◽  
Self Assembly ◽  
Organic Molecule ◽  
Water Solubility ◽  
Organic Thin Film ◽  
Thin Film Preparation ◽  
Film Preparation

Increased water solubility and long-range intermolecular ordering have been introduced into the fluorescent organic molecule thiophene-diketopyrrolopyrrole via its conjugation to the octapeptide HEFISTAH, derived from a protein–protein β-interface.

Guided Self-Assembly of Metal Atoms on Silicon Using Organic-Molecule Templating

2012 ◽  
Vol 134 (37) ◽  
pp. 15312-15317 ◽  
Author(s):  
Daniel R. Belcher ◽  
Marian W. Radny ◽  
Steven R. Schofield ◽  
Phillip V. Smith ◽  
Oliver Warschkow
Keyword(s):  
Self Assembly ◽  
Organic Molecule ◽  
Metal Atoms

An unsymmetrical non-fullerene acceptor: synthesis via direct heteroarylation, self-assembly, and utility as a low energy absorber in organic photovoltaic cells

2017 ◽  
Vol 53 (73) ◽  
pp. 10168-10171 ◽  
Author(s):  
Abby-Jo Payne ◽  
Shi Li ◽  
Sergey V. Dayneko ◽  
Chad Risko ◽  
Gregory C. Welch
Keyword(s):  
Self Assembly ◽  
Organic Molecule ◽  
Photovoltaic Cells ◽  
Low Energy ◽  
Perylene Diimide ◽  
Organic Photovoltaic ◽  
Organic Photovoltaic Cells ◽  
Energy Absorber ◽  
Design And Synthesis

This study reports on the design and synthesis of an unsymmetrical π-conjugated organic molecule composed of perylene diimide, thienyl diketopyrrolopyrrole, and indoloquinoxaline pieced together using direct heteroarylation.

Fluorescent nanoparticles from self-assembly of β-cyclodextrin-functionalized fluorene copolymers for organic molecule sensing and cell labeling

2012 ◽  
Vol 3 (9) ◽  
pp. 2444 ◽  
Author(s):  
Li Qun Xu ◽  
Bin Zhang ◽  
Rong Wang ◽  
Yu Chen ◽  
Koon-Gee Neoh ◽  
...  
Keyword(s):  
Self Assembly ◽  
Organic Molecule ◽  
Cell Labeling ◽  
Fluorescent Nanoparticles

A novel three-dimensional framework constructed by 2-[(1H-imidazol-1-yl)methyl]-1H-benzimidazole and infinite chains of hydrogen-bonded water molecules

2009 ◽  
Vol 65 (3) ◽  
pp. o85-o87 ◽  
Author(s):  
De-Qiang Qi ◽  
Gui-Ge Hou ◽  
Jian-Ping Ma ◽  
Ru-Qi Huang ◽  
Yu-Bin Dong
Keyword(s):  
Self Assembly ◽  
Organic Molecule ◽  
Three Dimensional ◽  
Water Molecules ◽  
Biological Processes ◽  
Stability Function ◽  
Hydrogen Bond Acceptor ◽  
One Dimensional ◽  
Conformation Stability ◽  
Hydrogen Bonded

A novel three-dimensional framework of 2-[(1H-imidazol-1-yl)methyl]-1H-benzimidazole dihydrate, C11H10N4·2H2O orL·2H2O, (I), in whichLacts as both hydrogen-bond acceptor and donor in the supramolecular construction with water, has been obtained by self-assembly reaction ofLwith H2O. The two independent water molecules are hydrogen bonded alternately with each other to form a one-dimensional infinite zigzag water chain. These water chains are linked by the benzimidazole molecules into a three-dimensional framework, in which each organic molecule is hydrogen bonded by three water molecules. This study shows that the diversity of hydrogen-bonded patterns plays a crucial role in the formation of the three-dimensional framework. More significantly, as water molecules are important in contributing to the conformation, stability, function and dynamics of biomacromolecules, the infinite chains of hydrogen-bonded water molecules seen in (I) may be a useful model for water in other chemical and biological processes.

scholarly journals A supramolecular self-assembly host–guest system from cyclodextrin as an absolute water-soluble fluorescence sensor for aluminium ions: synthesis, characterization and sensing activity

RSC Advances ◽  
2017 ◽  
Vol 7 (61) ◽  
pp. 38160-38165 ◽  
Author(s):  
Zengchen Liu ◽  
Kai Ren ◽  
Yahong Chen ◽  
Yanxia Li ◽  
Jianping Xie ◽  
...  
Keyword(s):  
Schiff Base ◽  
Self Assembly ◽  
Organic Molecule ◽  
Fluorescence Sensor ◽  
Water Soluble ◽  
Guest System

In the study, an organic molecule derived from paeonol and anthraniloyl hydrazine (L) was synthesized via a Schiff-base reaction.

A tuneable hierarchical self-assembly of a C3-symmetric triaminoguanidinium-derivative into a rhombic dodecahedral morphology

CrystEngComm ◽  
2020 ◽  
Vol 22 (31) ◽  
pp. 5117-5121 ◽  
Author(s):  
Ananta Dey ◽  
Arunava Maity ◽  
Tufan Singha Mahapatra ◽  
Eingathodi Suresh ◽  
Amal Kumar Mandal ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Structure Analysis ◽  
Growth Mechanism ◽  
Self Assembly ◽  
Organic Molecule ◽  
Crystal Structure Analysis ◽  
Small Organic Molecule

A controllable self-assembly of a small organic molecule produces a crystalline ordered rhombic dodecahedral shape with a size up to 23.7 μm. Crystal structure analysis expounds the growth mechanism for this particular shape evaluation.

Single-step fabrication of large-scale patterned honeycomb structures via self-assembly of a small organic molecule

RSC Advances ◽  
2015 ◽  
Vol 5 (74) ◽  
pp. 60518-60523 ◽  
Author(s):  
Xia Ran ◽  
Kun Zhang ◽  
Lili Shi ◽  
Zhen Chi ◽  
Weihong Qiu ◽  
...  
Keyword(s):  
Structure Formation ◽  
Self Assembly ◽  
Large Scale ◽  
Organic Molecule ◽  
Honeycomb Structure ◽  
Single Step ◽  
Schematic Diagram ◽  
Small Organic Molecule ◽  
Honeycomb Structures

A schematic diagram of honeycomb structure formation from AOB-t8.

Organic Molecule-Assisted Hydrothermal Self-Assembly of Size-Controlled Tubular ZnO Nanostructures

2007 ◽  
Vol 111 (20) ◽  
pp. 7280-7287 ◽  
Author(s):  
Liming Shen ◽  
Ningzhong Bao ◽  
Kazumichi Yanagisawa ◽  
Kazunari Domen ◽  
Craig A. Grimes ◽  
...  
Keyword(s):  
Self Assembly ◽  
Organic Molecule ◽  
Zno Nanostructures ◽  
Size Controlled
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