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Quantification of Anthracene after dermal absorption test via APCI-Tandem Mass Spectrometry

By feeds.rsc.org
Published On ::

Anal. Methods, 2020, Accepted Manuscript
DOI: 10.1039/D0AY00486C, Paper
Xinyi Sui, Julio E Teran, Chengcheng Feng, Killian Wustrow, Caroline J. Smith , Nelson R Vinueza
An analytical method for the detection and quantification of anthracene from dermal samples was developed by using Atmospheric Pressure Chemical Ionization-Tandem Mass Spectrometry (APCI-MS/MS). The anthracene samples were obtained from...
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A high-throughput plasmonic tongue using an aggregation assay and nonspecific interactions: classification of taste profiles in maple syrup

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Published On ::

Anal. Methods, 2020, Advance Article
DOI: 10.1039/C9AY01942A, Paper
Simon Forest, Trevor Théorêt, Julien Coutu, Jean-Francois Masson
A simple colorimetric test detects off-flavour profiles of maple syrups in minutes, which are detectable by the naked eye.
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Sample treatment based on molecularly imprinted polymers for the analysis of veterinary drugs in food samples: a review

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Published On ::

Anal. Methods, 2020, Accepted Manuscript
DOI: 10.1039/D0AY00533A, Critical Review
Israel Samuel Ibarra, J. M. Miranda, Irma Perez, Aldo C Jardinez, Gabriela Islas
The use of veterinary drugs in medical treatments and in the livestock industry is a recurrent practice. In subtherapeutic doses during prolonged times act to growth promoters. Residues of these...
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Effects of harvesting and extraction methods on metabolite recovery from adherently growing mammalian cells

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Anal. Methods, 2020, Advance Article
DOI: 10.1039/C9AY02753J, Paper
Yun Luo, Ningbo Geng, Baoqin Zhang, Jiping Chen, Haijun Zhang
We compare the efficiencies of different cell harvesting methods and metabolite extraction methods in sample preparation procedures and provide a cell sample processing protocol which focuses on maximizing metabolite recovery ranging from polar to lipidic ones.
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Multivariate optimization of an ultrasound-assisted extraction procedure for the determination of Cu, Fe, Mn, and Zn in plant samples by flame atomic absorption spectrometry

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Anal. Methods, 2020, Advance Article
DOI: 10.1039/D0AY00554A, Paper
Floriatan Santos Costa, Raquel Viana Pinto Leal, Clissiane Soares Viana Pacheco, Fábio Alan Carqueija Amorim, Raildo Mota de Jesus, Luana Novaes Santos, Erik Galvão Paranhos da Silva
A new ultrasound-assisted extraction method simple and fast was developed employing multivariate optimization.
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Colorimetric indicators for volatile amines based on succinic anhydride (SAh)-grafted poly (lactic acid) (PLA)

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Anal. Methods, 2020, Advance Article
DOI: 10.1039/D0AY00550A, Paper
Adrian Lopera-Valle, Anastasia Elias
Smart materials that can undergo changes in color upon the detection of amines have the potential to provide information on the freshness of fish and meat.
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Miniaturized QuEChERS method for determination of 97 pesticide residues in wine by ultra-high performance liquid chromatography coupled to tandem mass spectrometry

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Anal. Methods, 2020, Accepted Manuscript
DOI: 10.1039/D0AY00744G, Paper
Gabrieli Bernardi, Magali Kemmerich, Martha B Adaime, Osmar Damian Prestes, Renato Zanella
A miniaturized sample preparation method was developed and validated for the multiresidue determination of 97 pesticide residues in wine samples. The proposed extraction procedure is based on QuEChERS acetate method...
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A rapid and colorimetric biosensor based on GR-5 DNAzyme and self-replicating catalyzed hairpin assembly for lead detection

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Published On ::

Anal. Methods, 2020, 12,2215-2220
DOI: 10.1039/D0AY00091D, Paper
Fang Wang, Jianyuan Dai, Hongli Shi, Xiaoqian Luo, Lan Xiao, Cuisong Zhou, Yong Guo, Dan Xiao
A rapid and colorimetric biosensor for Pb2+ detection has been constructed on the basis of Pb2+-dependent GR-5 DNAzyme and the self-replicating catalyzed hairpin assembly (SRCHA) reaction.
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Droplet image analysis with user-friendly freeware CellProfiler

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Anal. Methods, 2020, 12,2287-2294
DOI: 10.1039/D0AY00031K, Technical Note
Simona Bartkova, Marko Vendelin, Immanuel Sanka, Pille Pata, Ott Scheler
We show how to use free open-source CellProfiler for droplet microfluidic image analysis.
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Detection of organophosphorus compounds using a surface acoustic wave array sensor based on supramolecular self-assembling imprinted films

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Anal. Methods, 2020, 12,2206-2214
DOI: 10.1039/D0AY00211A, Paper
Yong Pan, Tengxiao Guo, Genwei Zhang, Junchao Yang, Liu Yang, Bingqing Cao
In this study, diisopropyl methylphosphonate (DIMP), tributyl phosphate (TBP), and dimethyl methylphosphonate (DMMP) were selected as organophosphorus chemical warfare agent (CWA) simulants.
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Hydrothermal synthesis of Auricularia auricula derived nitrogen, phosphorus-doped carbon dots and application in Ag(I) and 4-nitrophenol detection and bioimaging

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Published On ::

Anal. Methods, 2020, 12,2237-2243
DOI: 10.1039/D0AY00316F, Paper
Yujiao Tu, Suping Wang, Xiaotian Yuan, Pengfei Song, Yunlin Wei, Kunhao Qin, Qi Zhang, Xiuling Ji
Schematic of the synthetic route for fluorescent Aa N,P-CDs and their application in the detection of 4-NP and Ag(I) and bioimaging.
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Adsorptive removal of Hg2+ from environmental water samples using thioglycerol-intercalated magnetic layered double hydroxides

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Anal. Methods, 2020, 12,2279-2286
DOI: 10.1039/D0AY00448K, Paper
Ali Esrafili, Mahnaz Ghambarian, Mohammad Tajik, Mahroo Baharfar
Herein, the removal of Hg2+ from environmental water samples was carried out using a novel nanoadsorbent based on magnetite nanoparticles coated by a thioglycerol-intercalated layered double hydroxide.
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LC-MS in combination with DMBA derivatization for sialic acid speciation and distribution analysis in fish tissues

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Anal. Methods, 2020, 12,2221-2227
DOI: 10.1039/D0AY00100G, Paper
Junjie Du, Qiwei Zhang, Jianjun Li, Qi Zheng
For sialic acid speciation analysis, DMBA provides superior chromatographic separation efficiency and comparable MS/MS spectra with DMB.
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Selection and optimization of protein and carbohydrate assays for the characterization of marine biofouling

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Anal. Methods, 2020, 12,2228-2236
DOI: 10.1039/D0AY00272K, Paper
Chloe Richards, Nicole O'Connor, Diveena Jose, Alan Barrett, Fiona Regan
Biofilms comprise a set of microorganisms attached to a surface through extracellular polymeric substances (EPS). Development of reliable analytical assays are valuable in determining the rate of biofilm attachment on surfaces.
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Simultaneous aptasensor assay of ochratoxin A and adenosine triphosphate in beer based on Fe3O4 and SiO2 nanoparticle as carriers

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Published On ::

Anal. Methods, 2020, 12,2253-2259
DOI: 10.1039/D0AY00311E, Paper
Xiluan Yan, Mengmeng Jiang, Yuting Jian, Jing Luo, Xinxin Xue, Xin Chen, Xiangjuan Zheng, Fanrong Ai
In this work, a chemiluminescence (CL) method based on dual aptasensors using Fe3O4 and SiO2 nanoparticles (NPs) as carriers is developed for the simultaneous detection of ochratoxin A (OTA) and adenosine triphosphate (ATP) in beer.
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Ion chromatography for monitoring [NTf2]− anion contaminants in pure and saline water

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Anal. Methods, 2020, 12,2244-2252
DOI: 10.1039/D0AY00337A, Paper
Coby J. Clarke, Liem Bui-Le, Jason Hallett
An optimized ion chromatography method for quantifying highly polarizable [NTf2]− anions in high salinity wastewater is presented.
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Detection of radium at the attogram per gram level in copper by inductively coupled plasma mass spectrometry after cation-exchange chromatography

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Anal. Methods, 2020, 12,2272-2278
DOI: 10.1039/D0AY00512F, Paper
Mélodie Bonin, Dominic Larivière, Pavel P. Povinec
In this study, a new method was developed for the separation and isolation of radium from metallic copper.
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What’s novel in the new Eurachem guide on uncertainty from sampling?

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Published On ::

Anal. Methods, 2020, 12,2295-2297
DOI: 10.1039/D0AY90051F, AMC Technical Brief
Analytical Methods Committee, AMCTB No. 96
This Technical Brief aims to explain how the new second edition of the Eurachem guide, Measurement uncertainty arising from sampling, differs significantly from the first edition that was published in 2007.
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Development and validation of a real-time microelectrochemical sensor for clinical monitoring of tissue oxygenation/perfusion

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Published On ::

Anal. Methods, 2020, Advance Article
DOI: 10.1039/D0AY00206B, Paper
Gama Theophile Gnahoré, Jack L. Kelly, Saidhbhe L. O'Riordan, Fiachra B. Bolger, Michelle M. Doran, Michelle Sands, John P. Lowry
Oxygen is critically important to tissue viability and there is increasing demand for its reliable real-time clinical monitoring in order to prevent, diagnose and treat several pathological disorders, including hypoxia, stroke and reperfusion injury.
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A sensitive and selective fluorescent probe for the detection of endogenous peroxynitrite (ONOO-) in live cells

By feeds.rsc.org
Published On ::

Anal. Methods, 2020, Accepted Manuscript
DOI: 10.1039/D0AY00012D, Paper
Yaru Sun, Baoli Dong, Yaru Lu, Wenhui Song, Abdul Hadi Mehmood, Weiying Lin
Peroxynitrite (ONOO−) is one of reactive oxygen species, and plays a vital role in many physiological and pathological processes. Given that the ONOO− level is closely related with many serious...
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A simple paper-based approach for arsenic determination in water using hydride generation coupled with mercaptosuccinic-acid capped CdTe quantum dots

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Anal. Methods, 2020, Accepted Manuscript
DOI: 10.1039/D0AY00273A, Paper
Oraphan Thepmanee, Kanlaya Prapainop Katewongsa, Obnithi Nooppha, Nuanlaor Ratanawimarnwong, Weena Siangproh, Orawon Chailapakul, Kriangsak Songsrirote
This research aims to develop a simple paper-based device for arsenic detection in water samples where a hydride generation technique coupled with mercaptosuccinic acid-capped CdTe quantum dots (MSA-CdTe QDs) as...
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Dispersive micro-solid phase extraction based on graphene/polydopamine composite for the extraction of pyrethroids in water samples

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Published On ::

Anal. Methods, 2020, Accepted Manuscript
DOI: 10.1039/D0AY00562B, Paper
Qinqin Xu, Kexin Qiao, Chen Yan, Zikai Liu, Runhua Lu, Wenfeng Zhou
In this study, a simple, rapid, precise, and environmentally friendly microextraction named dispersive micro-solid phase extraction based on graphene/polydopamine composite as sorbent was investigated for the analysis of four pyrethroids...
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The application of antibody – aptamer hybrid biosensors in the clinical diagnostics and environmental analysis

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Anal. Methods, 2020, Accepted Manuscript
DOI: 10.1039/D0AY00678E, Critical Review
Marta Jarczewska, Elzbieta Malinowska
The growing number of various diseases and the increase of environmental contamination are the causes for elaboration of novel methods for their detection. The possibility of application of affinity-based biosensors...
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A flower-like Ag coated with molecularly imprinted polymers as surface-enhanced Raman scattering substrate for sensitive and selective detection of glibenclamide

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Anal. Methods, 2020, Accepted Manuscript
DOI: 10.1039/D0AY00575D, Paper
Xiaohui Ren, Xin Li
The flower-like Ag, was formed by nanosheets self-assembly, as SERS active substrate was utilized for preparation of flower-like Ag@molecularly imprinted polymers (MIPs) surface-enhanced Raman scattering (SERS) sensor. Based on the...
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Rapid and colorimetric detection of nucleic acids based on entropy-driven circuit and DNAzyme mediated autocatalytic reaction

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Anal. Methods, 2020, Accepted Manuscript
DOI: 10.1039/D0AY00341G, Paper
Hongli Shi, Jianyuan Dai, fang Wang, Yushun Xia, Dan Xiao, Cuisong Zhou
In this work, a novel, rapid and enzyme-free colorimetric biosensor for nucleic acids detection has been developed based on entropy-driven circuit (EDC) and DNAzyme mediated autocatalytic reaction. Upon sensing of...
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Fabrication of an electrochemical sensor based on metal-organic framework ZIF-8 for quantitation of silver ion: optimizing experimental conditions by central composite design (CCD)

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Published On ::

Anal. Methods, 2020, Accepted Manuscript
DOI: 10.1039/D0AY00843E, Paper
Farzaneh Hashemi , Ali Reza Zanganeh, Farid Naeimi , Maryam Tayebani
The ZIF-8 was synthesized and carbon paste electrode (CPE) modified with this metal-organic framework utilized for quantitation of silver(Ι) by differential pulse anodic stripping voltammetry (DPASV) technique. The prepared ZIF-8...
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Digital Reference Section (DRS) Virtual Programs: New blog post invites readers to "Sample a Taste of History This Thanksgiving"

By blogs.loc.gov
Published On :: Wed, 21 Nov 2018 10:00:27 -0600

Find a new and historic recipe for a dish to put on your Thanksgiving table in What Mrs. Fisher Knows About Old Southern Cooking. This cookbook, published in 1881, is highlighted in a recent post on the Library of Congress Blog. Abby Fisher perfected her culinary skills as an enslaved cook on a South Carolina plantation but went on to establish a successful catering business in San Francisco and publish a compilation of her recipes—one of the first by an African-American. Learn more about this remarkable woman and, this Thanksgiving, sample a taste of history!

Click here to go to the Library of Congress Blog post, "Sample a Taste of History This Thanksgiving!"


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January 15 Intro to loc.gov

By www.loc.gov
Published On :: Wed, 02 Jan 2019 10:00:22 -0600

Make the most of the Library's online collections: photographs, maps, sound recordings, films, legal and historical documents, and more. Join the Digital Reference Section's next free one-hour webinar for an interactive orientation to loc.gov.

Title: Introducing loc.gov: Orientation and Research Strategies
Date: Tuesday, January 15
Time: 11:00 am - 12:00 noon EST

Registration (required): Please register via Eventbrite.

Orientations are held in real time via webinar software, which allows participants from around the country and the world to join us. Confirmation and log-on instructions will be sent via email. Please read the Library of Congress Comment and Posting Policy.

ADA: Request ADA accommodations five days in advance at (202) 707-6362 or ada@loc.gov. Registration for the program is also required.

Questions? Ask A Librarian!


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May 30 Webinar: Happy Birthday Walt!: Digitized Walt Whitman Collections from the Manuscript Division

By www.loc.gov
Published On :: Wed, 22 May 2019 10:54:59 -0500

Reminder!!

Please join us for our May topical webinar:

Happy Birthday Walt!: Digitized Walt Whitman Collections from the Manuscript Division

May 2019 marks the 200th anniversary of the birth of poet Walt Whitman, who revolutionized the style and content of American poetry with his 1855 publication of Leaves of Grass. Whitman was also a journalist, printer, publisher, orator, and prose writer.

The Library of Congress holds the largest group of Whitman-related special collection materials in the world, including printed materials, rare books, photographs, and manuscripts. In this webinar program, Manuscript Division historian Barbara Bair highlights the content and research use of three digitized Whitman manuscript collections as well as programs celebrating Whitman’s birthday at the Library of Congress.

Date: Thursday, May 30
Time: 1:00 pm – 2:00 pm EDT
Registration (required): Please register via Eventbrite.

This program will be held in real time via webinar software, which allows participants from around the country and the world to join us. Confirmation and log-on instructions will be sent via email. Please read the Library of Congress Comment and Posting Policy.

ADA: Request ADA accommodations five days in advance at (202) 707-6362 or ada@loc.gov. Registration for the program is also required.

Questions? Ask A Librarian!

 


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Perils of Perestroika : viewpoints from the Soviet press, 1989-1991 / edited by Isaac J. Tarasulo.

By darius.uleth.ca
Published On ::

Wilmington, Del. : SR Books, 1992


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The Canada-US border in the 21st century [electronic resource] : trade, immigration and security in the age of Trump / John B. Sutcliffe and William P. Anderson.

By darius.uleth.ca
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Abingdon, Oxon : Routledge, 2019.


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North American borders in comparative perspective [electronic resource] / edited by Guadalupe Correa-Cabrera and Victor Konrad.

By darius.uleth.ca
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Tucson : University of Arizona Press, 2020.


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A history of ancient Moab from the Ninth to First centuries BCE [electronic resource] / by Burton MacDonald.

By darius.uleth.ca
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Atlanta : SBL Press, [2020]


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Between Rome and Persia [electronic resource] : the middle Euphrates, Mesopotamia, and Palmyra under Roman control / Peter M. Edwell

By darius.uleth.ca
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London ; New York : Routledge, 2008


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The Oxford handbook of ancient Anatolia, 10,000-323 B.C.E. [electronic resource] / edited by Sharon R. Steadman and Gregory McMahon.

By darius.uleth.ca
Published On ::

New York ; Oxford : Oxford University Press, 2011.


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The Oxford handbook of Anglo-Saxon archaeology [electronic resource] / edited by Helena Hamerow, David A. Hinton and Sally Crawford.

By darius.uleth.ca
Published On ::

Oxford : Oxford University Press, 2011.


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The Oxford handbook of Roman Egypt [electronic resource] / edited by Christina Riggs.

By darius.uleth.ca
Published On ::

Oxford : Oxford University Press, 2012.


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A Faustian foreign policy from Woodrow Wilson to George W. Bush [electronic resource]: dreams of perfectibility / Joan Hoff

By darius.uleth.ca
Published On ::

Cambridge ; New York : Cambridge University Press, 2008


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Egyptian mummies and modern science [electronic resource] / edited by Rosalie David

By darius.uleth.ca
Published On ::

Cambridge ; New York : Cambridge University Press, 2008


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Recharting the Black Atlantic [electronic resource] : modern cultures, local communities, global connections / edited by Annalisa Oboe and Anna Scacchi

By darius.uleth.ca
Published On ::

New York : Routledge, 2008


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Asian-European relations [electronic resource] : building blocks for global governance? / edited by Jürgen Rüland [and others]

By darius.uleth.ca
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London ; New York : Routledge, 2008


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The United States and Iran [electronic resource] : sanctions, wars and the policy of dual containment / Sasan Fayazmanesh

By darius.uleth.ca
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London ; New York : Routledge, 2008


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Covid-19 Factoid: France and Iran face similar fight, Germany stands out

By www.business-standard.com
Published On :: Tue, 31 Mar 2020 06:35:00 +0530

Around 20 cases are being registered and at least two people are losing their lives almost every minute due to coronavirus across the globe.


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Covid-19 Factoid: Over 3,000 dying daily, and three other data trends

By www.business-standard.com
Published On :: Thu, 02 Apr 2020 06:47:00 +0530

The US, Italy and Spain together share almost half the total Covid-19 cases across the globe


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Covid-19 Factoid: Gap between daily new cases and recoveries widening

By www.business-standard.com
Published On :: Fri, 03 Apr 2020 07:02:00 +0530

The world is adding over 70,000 cases everyday while the daily recoveries are still sub-15,000 on an average in the last three days.


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Covid-19 Factoid: Pain and recovery as cases set to cross 1.5 mn mark

By www.business-standard.com
Published On :: Fri, 10 Apr 2020 07:12:00 +0530

Germany, where 40 per cent of all infected persons are recovering, is doing the best by that metric among the five worst-affected nations


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Covid-19 factoid: Alarm bells ring as India adds 1,500 cases in a day

By www.business-standard.com
Published On :: Sun, 12 Apr 2020 06:34:00 +0530

Country's death toll consistently rising too, taking just two days to add the last 50 fatalities to the total.


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Business activities significantly hit; recovery may take over a year: Survey

By economictimes.indiatimes.com
Published On :: 2020-05-03T13:31:22+05:30

A CII survey indicates that the country may experience a protracted slowdown in economic activity.


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GSTN Helpdesk handles over 56,000 taxpayer issues in one month of lockdown

By economictimes.indiatimes.com
Published On :: 2020-05-03T15:30:02+05:30

GST Network Helpdesk on Sunday said it has handled over 56,000 taxpayer issues in one month since the nationwide lockdown was imposed on March 25.


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India looks to save Rs 25,000 crore by stocking cheap oil

By economictimes.indiatimes.com
Published On :: 2020-05-05T10:39:14+05:30

India is looking to shave Rs 25,000 crore off its crude import bill by storing cheap oil in ships for future use, allowing the government fiscal headroom for spending on more public welfare measures needed in its fight against the coronavirus pandemic.


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