Results 141 to 150 of about 19,968 (307)

典型重金属离子印迹技术 [PDF]

open access: yes, 2015
分子印迹技术(molecular imprinting technology,MIT)是指制备对特定目标分子具有专一识别性能的聚合物技术。离子印迹技术(ion imprinting technology,IIT)作为分子印迹技术的重要分支,因存在金属离子配位作用而具有很多优势,近年来得到了快速的发展。本文介绍了离子印迹技术原理、制备方法及其在金属的痕量和超痕量分析时的应用,并针对海洋环境监测中非常受关注的典型重金属污染离子(铅、汞、铜、镉、铬、砷)的主要研究进展进行了综述 ...
傅骏青 王晓艳 陈令新, 陈令新
core  

Progress on the Application of Polymers of Intrinsic Microporosity for the Adsorption of Organic Contaminants

open access: yesChemistryOpen, EarlyView.
The pictorial illustration of the applications of polymers of intrinsic microporosity extraordinary porous organic polymers with high surface areas, pore radii, pore volumes, high permeability, high diffusivity, high selectivity, and high thermal stability, as suitable filters or purifiers for water contaminated with pharmaceutical and organic dyes ...
Martins O. Omorogie
wiley   +1 more source

Multiple‐Use Microplate Assay for Submicromolar Ultra High‐Throughput Separation of Amines Based on their Degree of Substitution

open access: yesChemistryOpen, EarlyView.
A reusable microplate platform for ultra‐high‐throughput, submicromolar separation of protonated amines – including alkyl‐, aryl‐, and aralkyl‐types – using a tris(pyridino)‐crown ether selector was introduced; the method enables rapid, zero‐energy, parallel purification fully compatible with automated synthesis workflows.
Panna Vezse   +3 more
wiley   +1 more source

Сенсорная система для определения сульфаметоксазола на основе молекулярно импринтированных полимерных мембран [PDF]

open access: yes, 2015
Проблематика. Розробка сенсорних систем на основі штучних аналогів біологічних макромолекул є актуальною для сучасної аналітичної біотехнології, оскільки забезпечує нові ефективні експрес-методи детекції малих органічних молекул, в тому числі ...
Brovko, O. O.   +17 more
core  

From 0D to 3D liquid crystal elastomers architectures: Fabrications and applications

open access: yesResponsive Materials, EarlyView.
This review presents a dimension‐oriented overview of liquid crystal elastomers (LCEs), highlighting their molecular alignment, fabrication strategies, and programmable deformations from 0D particles to 3D architectures. Emphasis is placed on how dimensionality guides design principles, enables diverse actuation modes, and bridges fundamental ...
Mingxuan Liu   +8 more
wiley   +1 more source

Formation of Molecularly Imprinted Polymer Matrices using [PDF]

open access: yes, 2012
This study serves as a proof of concept that a poly(acrylonitrile-co-acrylic acid) may be used to form an chiral selective polymer membrane for discrimination of L-tryptophan from racemic tryptophan.
Erwin, William
core   +1 more source

MXene 3D‐AJP: Three‐Dimensional Well‐Oriented Freeform Networks of 2D MXene Nanosheets via Aerosol‐Based 3D Printing

open access: yesSmall, EarlyView.
This study presents an additive‐free aerosol jet 3D printing technique for assembling 2D MXene nanosheets into complex, customizable, high‐aspect‐ratio 3D microarchitectures without binders. By leveraging real‐time ink thickening, the authors also fabricate 3D microsupercapacitors with interdigitated electrodes that holds breakthrough device areal ...
Chunshan Hu   +4 more
wiley   +1 more source

Precision Local Strain Engineering in 2D Semiconductors and Their van der Waals Heterostructures

open access: yesSmall, EarlyView.
This review highlights recent advances in experimental techniques for mapping and quantifying strain, strategies for imparting programmable local strain via substrate, stressor, and interlayer coupling, and strain‐engineered functionalities in electronics, photonics, and quantum devices.
Byeong Chan Kim   +2 more
wiley   +1 more source

From Millimeters to Microns: A Hybrid Strategy for Reconfigurable Liquid‐Crystal Patterning

open access: yesSmall Methods, EarlyView.
A hybrid approach combining wide‐field exposure and direct laser writing is used to sculpt responsive polymer architectures in nematic liquid crystals. This method enables voltage‐tunable textures, channeling of topological defects, and hierarchical resolution control.
Adithya Pradeep   +9 more
wiley   +1 more source

Illicit Drug‐Derived Volatile Organic Compounds as Markers for Application in Noncontact Detection Technology

open access: yesThe Chemical Record, EarlyView.
This review highlights the characteristic odor markers of illicit drugs, emphasizing volatile markers from both natural and synthetic sources, and explores the shift from canine‐based detection to emerging noncontact sensing technologies. Illicit drug use remains a global concern, requiring effective detection methods to counter evolving concealment ...
Minwoo Kim   +4 more
wiley   +1 more source

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