On the Nonlinear Matrix Equation X&lt;sup&gt;s&lt;/sup&gt; + A&lt;sup&gt;*&lt;/sup&gt;F(X)A = Q with S≥ 1

Zhou, Duo; Chen, Guoliang; Wu, Guoxing; Zhang, Xiangyun

doi:10.4208/jcm.1210-m4082

Cited by 31 publications

(37 citation statements)

References 32 publications

(43 reference statements)

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“…Recently, high-resolution structures of the 20S complex have been obtained by taking advantage of the remarkable advances in cryo electron microscopy ( Figure 2H). 20,57 The resolution of these structures range between 7 and 10 Å , i.e., sufficient to build detailed structural models in conjunction with crystallographic data. As discussed above, NSF has a three-layered structure with the bottom layer (the most distal layer from the SNARE complex) consisting of the D2 domain hexamer.…”

Section: Mechanistic Insights Into the Disassembly Reactionmentioning

confidence: 99%

Review: Progresses in understanding N‐ethylmaleimide sensitive factor (NSF) mediated disassembly of SNARE complexes

2016

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N-ethylmaleimide sensitive factor (NSF) is a key protein of intracellular membrane traffic. NSF is a highly conserved protein belonging to the ATPases associated with other activities (AAA+ proteins). AAA+ share common domains and all transduce ATP hydrolysis into major conformational movements that are used to carry out conformational work on client proteins. Together with its cofactor SNAP, NSF is specialized on disassembling highly stable SNARE complexes that form after each membrane fusion event. Although essential for all eukaryotic cells, however, the details of this reaction have long been enigmatic. Recently, major progress has been made in both elucidating the structure of NSF/SNARE complexes and in understanding the reaction mechanism. Advances in both cryo EM and single molecule measurements suggest that NSF, together with its cofactor SNAP, imposes a tight grip on the SNARE complex. After ATP hydrolysis and phosphate release, it then builds up mechanical tension that is ultimately used to rip apart the SNAREs in a single burst. Because the AAA domains are extremely well-conserved, the molecular mechanism elucidated for NSF is presumably shared by many other AAA+ ATPases. © 2016 Wiley Periodicals, Inc. Biopolymers 105: 518-531, 2016.

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Section: Mechanistic Insights Into the Disassembly Reactionmentioning

confidence: 99%

Review: Progresses in understanding N‐ethylmaleimide sensitive factor (NSF) mediated disassembly of SNARE complexes

2016

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“…[11] Within 2D materials, MXenes are unique because they are both hydrophilic and typically synthesized from a top-down selective etching procedure. [12] MXenes are a class of 2D transition metal carbides, nitrides, and carbonitrides that are primarily synthesized from M n þ 1 AX n (MAX) precursor materials, [13] although different precursors, including Mo 2 Ga 2 C [14] and M n þ 1 A x X n þ x [15] have also been used. For MAX phase materials, M is an early transition metal (V, Ti, Mo, Ta, etc.…”

Section: Introductionmentioning

confidence: 99%

Scalable Synthesis of Ti₃C₂T_x MXene

et al. 2020

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Scaling the production of synthetic 2D materials to industrial quantities has faced significant challenges due to synthesis bottlenecks whereby few have been produced in large volumes. These challenges typically stem from bottom‐up approaches limiting the production to the substrate size or precursor availability for chemical synthesis and/or exfoliation. In contrast, MXenes, a large class of 2D transition metal carbides and/or nitrides, are produced via a top‐down synthesis approach. The selective wet etching process does not have similar synthesis constraints as some other 2D materials. The reaction occurs in the whole volume; therefore, the process can be readily scaled with reactor volume. Herein, the synthesis of 2D titanium carbide MXene (Ti3C2Tx) is studied in two batch sizes, 1 and 50 g, to determine if large‐volume synthesis affects the resultant structure or composition of MXene flakes. Characterization of the morphology and properties of the produced MXene using scanning electron microscopy, X‐ray diffraction, dynamic light scattering, Raman spectroscopy, X‐ray photoelectron spectroscopy, UV–visible spectroscopy, and conductivity measurements show that the materials produced in both batch sizes are essentially identical. This illustrates that MXenes experience no change in structure or properties when scaling synthesis, making them viable for further scale‐up and commercialization.

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“…The supramolecular columns formed by disc shaped molecules not only act as model system for the study of energy and charge migration in self-organized systems but also as functional materials in organic electronic and optoelectronic devices such as light emitting diodes (LEDs) (215,216), field effect transistors (FETs) (217)(218)(219)(220), and photovoltaic (PV) solar cells (221)(222)(223)(224)(225). Furthermore, the columnar phases are remarkably well-defined nanostructures with fascinating 1D semiconducting characteristics.…”

Section: Applications Of Liquid Crystalsmentioning

confidence: 99%

Liquid Crystals

Bisoyi

2014

Kirk-Othmer Encyclopedia of Chemical Technology

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Liquid crystals (LCs) represent a state of matter which is characterized by a unique combination of order and mobility on molecular, supramolecular and macroscopic levels. This is a true thermodynamic stable state of matter and has been recognized and accepted as the fourth state of matter after solid, liquid, and gas (1-18). They have developed from a mere scientific curiosity in the beginning to one of the foundations of mobile information technology devices today (19)(20)(21)(22)(23)(24)(25). LCs are presently common topics in academic books and also in our daily life. Terms such as LCD, ie, LC display, and Kevlar have become familiar consumer products. The unusual feature which makes this state of matter unique among the others is the combination of orientational (and, sometimes, positional) order and dynamics, giving rise to materials with anisotropic physical properties that are switchable under the influence of small external stimuli. LCs have been regarded as unique functional soft materials from both scientific and technological point of view. The unique combination of counterintuitive properties, ie, order and fluidity, is not only an essential requirement for living matter, but also it is the foundation of the numerous technological applications of LC materials. Simultaneous exhibition of order and dynamics is the basic principle for self-organization and structure formation in living systems. Accordingly, LCs play a crucial role in living systems and in biology (18). For example, no life would be possible without the ordered and dynamic self-assembly of lipids into bilayers within the cell membrane. Several biological molecules such as lipids, carbohydrates, proteins, and nucleic acids have been found to exist in various liquid crystalline phases (26-34). The appearance of mesomorphism in DNAs has been related to the significant role that LCs would have played in the evolution of biological information in the pre-biotic world (35-38). LCs self-assemble into various structures with the help of many different types of molecular interactions such as van der Waals, dipolar and quadrupolar interaction, charge transfer, p-p interaction, metal coordination, and hydrogen bonding. Thus, LCs can be considered as prototype supramolecular systems which furnish well-defined self-assembled architectures using noncovalent secondary interactions (39). Scientifically, the LC field is a fertile ground to study supramolecular self-assembly of matter and soft materials. Moreover, LCs persuasively demonstrate the powerful organization principle of matter by maximizing the interaction energy and minimizing the excluded volume.Overall, LCs have developed into a fascinating and prosperous field, reaching out into different areas of science by providing basic knowledge of the fundamental rules governing self-assembly from simple to complex modes. The domains of LCs span across multiple disciplines of pure and applied science including optics, materials science, bioscience, nanoscience etc. Their science and technology are tru...

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On the Nonlinear Matrix Equation X<sup>s</sup> + A<sup>*</sup>F(X)A = Q with S≥ 1

Cited by 31 publications

References 32 publications

Review: Progresses in understanding N‐ethylmaleimide sensitive factor (NSF) mediated disassembly of SNARE complexes

Review: Progresses in understanding N‐ethylmaleimide sensitive factor (NSF) mediated disassembly of SNARE complexes

Scalable Synthesis of Ti₃C₂T_x MXene

Liquid Crystals

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On the Nonlinear Matrix Equation X<sup>s</sup> + A<sup>*</sup>F(X)A = Q with S≥ 1

Cited by 31 publications

References 32 publications

Review: Progresses in understanding N‐ethylmaleimide sensitive factor (NSF) mediated disassembly of SNARE complexes

Review: Progresses in understanding N‐ethylmaleimide sensitive factor (NSF) mediated disassembly of SNARE complexes

Scalable Synthesis of Ti3C2Tx MXene

Liquid Crystals

Contact Info

Product

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Scalable Synthesis of Ti₃C₂T_x MXene