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Detection of Lithium in Scalp Hair by Time-of-Flight Secondary Ion Mass Spectrometry with High Energy (MeV) Primary Ions

7 hours 45 min ago
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01616F, CommunicationKaren Jacqueline Cloete, Bostjan Jencic, Ziga Smit, Mitja Kelemen, Kwezikazi Mkentane, Primoz Pelicon
An example of a low-Z element that has received increased attention in the material and medical sciences, is lithium. Lithium studies in biological systems may however present with numerous challenges...
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Surface-enhanced Raman spectroscopy (SERS) in cultural heritage

Wed, 07/26/2017 - 10:54

Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY90097J, AMC Technical Brief Analytical Methods Committee AMCTB No. 80 (Background paper)
Surface-enhanced Raman spectroscopy (SERS) has been increasingly used in the last decade for the identification of organic colourants in works of art. This technical brief focuses on the practical aspects of SERS in its application to the analysis of cultural heritage material.
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Screening and identification of natural ligands of tyrosinase from Pueraria lobata Ohwi by combination of ultrafiltration and LC-MS.

Tue, 07/25/2017 - 11:32
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00851A, PaperGe Zhang, Guo Xiuhan, Shisheng Wang, Yueqing Li, Li Guangzhe, Weijie Zhao
Ultrafiltration combined with liquid chromatography-mass spectrometer (UF-LC-MS) is an efficient affinity-based method to screen potential ligands of biomacromolecules from natural resources. In order to investigate the effects of constituents from...
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UV-visible spectroscopic detection of kanamycin based on target-induced growth of gold nanoparticles

Tue, 07/25/2017 - 05:23
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01685A, PaperChunshuai Wang, Jing Liu, Xuyan Han, Chang Liu, yaping tian, Nandi Zhou
A UV-visible spectroscopic detection of kanamycin was successfully developed based on target-induced growth of gold nanoparticles (AuNPs), using AuNPs as probe and kanamycin-specific aptamer as recognition element. Firstly, the aptamer...
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Cloud Point Extraction of Rare Earths and Zinc Using 1,10-Phenanthroline and Triton X-114 Coupled with Microwave Plasma-Atomic Emission Spectrometry

Tue, 07/25/2017 - 05:23
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00421D, PaperXuemei Li, Naizhong Song, Wei Feng, Qiong Jia
In the present work, cloud point extraction (CPE) of rare earths and zinc coupled with microwave plasma atomic emission spectrometry (MP-AES) was studied with 1,10-phenanthroline as the chelating agent and...
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Preparation of polyacrylic acid surface-crosslinked strong fluorescent polymer nanoparticles and their sensitive in vitro imaging of cancer cells and long-life in vivo imaging of in situ tumor

Tue, 07/25/2017 - 05:23
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01392B, PaperXueping Cai, Huan-Huan He, Hai-Yang Ding, Xiao-Bo Chen, Tong-Hong Wei, Tian-mei Song, Si-Jia You, Hong-Ping Xie, Chun-Yan Min
This paper prepared a fluorescent nanoparticle with a novel structure suitable for detecting cancer cells in vitro and in vivo. Firstly, a strong hydrophilic branch amino polymer was synthesized, and...
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Improved protocols for pre-processing Raman spectra of formalin fixed paraffin preserved tissue sections

Mon, 07/24/2017 - 13:14
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C6AY03308C, PaperOla Ibrahim, Adrian Maguire, Aidan D Meade, Stephen Flint, Mary Toner, Hugh Byrne, Fiona Lyng
Although formalin fixed paraffin preserved (FFPP) tissues are a major resource for retrospective studies of disease progression, their use in vibrational spectroscopy studies has been undermined by issues of contributions...
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Simultaneous determination of eleven estrogenic and odorant chloro- and bromo- phenolic compounds in surface water through an automated online headspace SPME followed by on-fiber derivatization coupled with GC-MS

Mon, 07/24/2017 - 10:12
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00641A, Papersufen Yuan, Zehua Liu, haixian lian, chuangtao Yang, qing Lin, Hua Yin, Zhi Dang
An effective method based on an automated online headspace solid-phase microextraction (HS-SPME) followed by on-fiber derivatization coupled with gas chromatography-mass spectrometry (GC-MS) for simultaneous determination of eleven estrogenic and odorant...
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Determination of herbicide pyraclonil residue in rice, soil and water using High-performance liquid chromatography/tandem mass spectrometry

Fri, 07/21/2017 - 09:34
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01483J, Papermingfu hu, wuying chen, Yong Liu, deyong zhang, ang chen, qingping yan, xiangwen luo, Jianyu Liu
A quick, reliable and sensitive analytical method for the confirmation and quantification of pyraclonil was developed using high-performance liquid chromatography/tandem mass spectrometry (HPLC-MS/MS) with an electrospray ionization source (ESI) in...
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Easily Fabricated Ion Source for Characterizing Complex Organic Mixtures by Direct Analysis in Real Time Mass Spectrometry

Fri, 07/21/2017 - 09:34
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY00971B, PaperKathleen Upton, Katherine Schilling, Jesse Beauchamp
The increasing use of atmospheric pressure mass spectrometry has led to the development of many ambient ionization sources, for which sampling versatility and low cost are desired features. One such...
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Direct Quantitative Analysis for Natural Moisturizing Factors (NMF) in Stratum Corneum by Direct Analysis in Real Time Mass Spectrometry (DART-MS)

Fri, 07/21/2017 - 09:34
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01177F, PaperKatsuyuki Maeno, Yasuo Shida, Haruo Shimada
Analyzing the natural moisturizing factor (NMF) in the stratum corneum (SC), such as the determination of amino acids, pyrrolidone carboxylic acid, and urocanic acid, is important in dermatology research. Here,...
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Monitoring Trace Levels of Hydroxy Aromatic Compounds in Urine Matrices by Bar Adsorptive Microextraction (BA[small mu ]E)

Fri, 07/21/2017 - 08:34
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01410D, PaperNuno Neng, Jose Manuel Florencio Nogueira
In this study, the enhancement for trace analysis of hydroxy aromatic compounds (HAC), such as phenol, hydroquinone, catechol and resorcinol, in urine matrices is proposed using bar adsorptive microextraction combined...
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Pentafluorophenyl bonded phase separation: The assay of Australian antioxidant formulation of ascorbic acid, rutin and hesperidin

Thu, 07/20/2017 - 06:09
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01505D, PaperAdel Michael, Andrew Shalliker
This work describes two novel validated HPLC methods for the separation and determination of potent antioxidant formulation. The compounds of interest are ascorbic acid, rutin and hesperidin. Two pentafluorophenyl bonded...
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Chiral pyrethroid insecticide fenpropathrin and its metabolite: enantiomeric separation and pharmacokinetic degradation in soils by reverse-phase high-performance liquid chromatography

Thu, 07/20/2017 - 06:09

Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY01124E, PaperPing Zhang, Qian Yu, Yuhan He, Wentao Zhu, Zhiqiang Zhou, Lin He
The enantiomeric separation of fenpropathrin enantiomers on Lux Cellulose-1, Lux Cellulose-3 and Chiralpak IC chiral columns as well as enantioselective degradation of fenpropathrin in soil were investigated by reverse-phase high-performance liquid chromatography (RP-HPLC).
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Development of a Certified Reference Material of Human Serum Albumin: Certification and Value Assignment via Amino Acid Analyses

Wed, 07/19/2017 - 09:52
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01415E, PaperTomoya Kinumi, Yohei Sakaguchi, Akiko Takatsu
Serum albumin is widely used as the standard material for various protein quantifications. Some commonly used methods to quantify albumin include the bromocresol green and bromocresol purple methods that use...
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UPLC-MS/MS method for determination of schisandrin in rat plasma and brain microdialysates: application to a comparative pharmacokinetic and brain distribution study in normal and Alzheimer's disease rats

Wed, 07/19/2017 - 09:52
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01546A, PaperBinbin Wei, Mingyan Liu, Zaixing chen, Minjie Wei
Abstract Schisandrin is the major active ingredient of S. chinensis, which provides an anti-AD activity. The objective of this study was to develop a method to study on the comparative...
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Direct electrochemistry and electrocatalysis of myoglobin immobilized in calcium alginate-graphene microspheres films

Wed, 07/19/2017 - 09:52
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01364G, PaperChong Yu, Hong Sun, Shifeng Hou
In the present work, calcium alginate-graphene (CA-graphene) microspheres have been prepared and used to immobilize myoglobin (Mb) for fabricating electroactive Mb-CA-graphene microspheres thin films on the electrode surface. The morphology...
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The seeded-synthesis of core-shell Au dumbbells with inbuilt Raman molecules and their SERS performance

Wed, 07/19/2017 - 05:49

Anal. Methods, 2017, Advance Article
DOI: 10.1039/C7AY01449J, PaperTao Jiang, Xiaolong Wang, Jing Tang, Jun Zhou, Chenjie Gu, Shiwei Tang
Core-shell Au dumbbells with inbuilt Raman molecules were synthesized by a seeded reduction method using core-shell Au nanorod (NR)@PSPAA nanoparticles as the seed.
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A sensitive colorimetric aptasensor with triple-helix molecular switch based on peroxidase-like activity of DNAzyme for ATP detection

Wed, 07/19/2017 - 05:49
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01381G, PaperKosar Shahsavar, Morteza Hosseini, Ehsan Shokri, Mohammad Reza Ganjali, Huangxian Ju
Abstract A DNAzyme-based colorimetric aptasensor has been fabricated for fast readout and facile detection of adenosine triphosphate (ATP). The sensor consists of ATP-specific aptamer flanked with cytosine-rich arms at both...
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Screening active anti-breast cancer compounds from Cortex Magnolia Officinalis by MCF-7 cell membrane chromatography coupled with UHPLC-ESI-MS/MS

Tue, 07/18/2017 - 11:34
Anal. Methods, 2017, Accepted Manuscript
DOI: 10.1039/C7AY01213F, PaperXiaoshuang He, Ping Zhang, Muhammad Saqib, Sicen Wang, Xiaofang Hou
Breast cancer is one of the most frequent female malignant tumors. Extracts from Cortex Magnolia Officinalis (CMO) have shown the ability to inhibit the growth of breast cancer cells. In...
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