April 2015 – Analyst Blog

Archive for April, 2015

Photoacoustic nanoparticles highlight uranium in the body

23 Apr 2015

Graphical Abstract

Nanoparticles that can be detected with photoacoustic imaging when they complex with uranium ions could open the door to new plans of action after radiological incidents, like Chernobyl or Fukushima, US researchers claim.

Ultrasound imaging is a well-known technique – it’s used during pregnancy and to assess joint injuries, amongst other things. The basics are simple: sound comes in and sound comes out; the difference in backscattered sound is turned into an image. Analogously, in photoacoustic procedures a pulse of light goes in and some of its energy is absorbed. This energy heats the local area and produces a pressure wave as it expands, which is measured acoustically.

Read the full article in Chemistry World >>

Parts per billion detection of uranium with a porphyrinoid-containing nanoparticle and in vivo photoacoustic imaging
I-Ting Ho, Jonathan L. Sessler, Sanjiv Sam Gambhir and Jesse V. Jokerst
Analyst, 2015, Advance Article
DOI: 10.1039/C5AN00207A

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Camera turned wine connoisseur

21 Apr 2015

Graphical Abstract

Seeing is smelling for a camera system developed by scientists in Japan that images ethanol vapour escaping from a wine glass. And, perhaps most importantly, no wine is wasted in the process.

Kohji Mitsubayashi, at the Tokyo Medical and Dental University, and colleagues impregnated a mesh with the enzyme alcohol oxidase, which converts low molecular weight alcohols and oxygen into aldehydes and hydrogen peroxide. Horseradish peroxide and luminol were also immobilised on the mesh and together initiate a colour change in response to hydrogen peroxide. When this mesh is placed on top of a wine glass, colour images from a camera watching over the mesh on top of a glass of wine can be interpreted to map the concentration distribution of ethanol leaving the glass.

Read the full article in Chemistry World >>

Correction: A sniffer-camera for imaging of ethanol vaporization from wine: the effect of wine glass shape
Takahiro Arakawa, Kenta Iitani, Xin Wang, Takumi Kajiro, Koji Toma, Kazuyoshi Yano and Kohji Mitsubayashi
Analyst, 2015, 140, 2887-2888
DOI: 10.1039/C5AN90029H

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HOT articles in Analyst

16 Apr 2015

Take a look at our most recent HOT Analyst articles, these are now free to access for the next few weeks!

Graphical Abstract

Label-free Raman imaging of the macrophage response to the malaria pigment hemozoin
Alison J. Hobro, Nicolas Pavillon, Katsumasa Fujita, Muge Ozkan, Cevayir Coban and Nicholas I. Smith
Analyst, 2015, 140, 2350-2359
DOI: 10.1039/C4AN01850H

Calculation of Raman Optical Activity Spectra for Vibrational Analysis
Shaun T. Mutter, François Zielinski, Paul L. A. Popelier and Ewan W. Blanch
Analyst, 2015, Advance Article
DOI: 10.1039/C4AN02357A

Rapid identification of goblet cells in unstained colon thin sections by means of quantum cascade laser-based infrared microspectroscopy
N. Kröger-Lui, N. Gretz, K. Haase, B. Kränzlin, S. Neudecker, A. Pucci, A. Regenscheit, A. Schönhals and W. Petrich
Analyst, 2015, 140, 2086-2092
DOI: 10.1039/C4AN02001D

Striatal dopamine release in a schizophrenia mouse model measured by electrochemical amperometry in vivo
Huadong Xu, Panli Zuo, Shirong Wang, Li Zhou, Xiaoxuan Sun, Meiqin Hu, Bin Liu, Qihui Wu, Haiqiang Dou, Bing Liu, Feipeng Zhu, Sasa Teng, Xiaoyu Zhang, Li Wang, Qing Li, Mu Jin, Xinjiang Kang, Wei Xiong, Changhe Wang and Zhuan Zhou
Analyst, 2015, Advance Article
DOI: 10.1039/C4AN02074J

Universal Enantioselective Discrimination by Raman Spectroscopy
Johannes Kiefer and Kristina Noack
Analyst, 2015, 140, 1787-1790
DOI: 10.1039/C4AN02218A
Graphical Abstract
Sensitive Assay of Trypsin Using Poly(thymine)-Templated Copper Nanoparticles as Fluorescent Probes
Li-Juan Ou, Xiao-Yan Li, Li-Juan Li, Hong-Wei Liu, Ai-Ming Sun and Kai-Jian Liu
Analyst, 2015, 140, 1871-1875
DOI: 10.1039/C4AN01994F

Testing and validating electroanalytical simulations
Enno Kätelhön and Richard G. Compton
Analyst, 2015, 140, 2592-2598
DOI: 10.1039/C4AN02276A

Fast IR laser mapping ellipsometry for the study of functional organic thin films
Andreas Furchner, Guoguang Sun, Helge Ketelsen, Jörg Rappich and Karsten Hinrichs
Analyst, 2015, 140, 1791-1797
DOI: 10.1039/C4AN01853B

A new method for wavelength interval selection that optimizes locations, widths and combinations of the intervals intelligently
Bai-Chuan Deng, Yong-Huan Yun, Pan Ma, Chen-Chen Lin, Da-Bing Ren and Yi-Zeng Liang
Analyst, 2015, 140, 1876-1885
DOI: 10.1039/C4AN02123A

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Archive for April, 2015

Photoacoustic nanoparticles highlight uranium in the body

Camera turned wine connoisseur

HOT articles in Analyst

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