science and technology

Using Data to Improve Employment Outcomes for People with Disabilities

Mathematica disability policy expert Purvi Sevak joined a panel of experts at the Bureau of Labor Statistics (BLS) to discuss how the agency is facilitating the collection and sharing of data that might help improve employment outcomes for people with disabilities.




science and technology

Mathematica Partners with the Food and Nutrition Service and Boston Children’s Hospital at the APHA Annual Meeting and Expo

Mathematica researchers partnered with key clients and contributed to a number of projects that will be presented at the American Public Health Association’s Annual Meeting and Expo in Philadelphia from November 2 to 6.




science and technology

ACF Seeks Comments on Performance Measures Used in a Mathematica-Conducted Study

The Administration for Children and Families (ACF) seeks comments on performance measures used for the Healthy Marriage and Responsible Fatherhood (HMRF) grant program.




science and technology

Mathematica Supports the Centers for Medicare & Medicaid Services’s State Medicaid and Children’s Health Insurance Program Transformation and Innovation Milestones

Mathematica will showcase state Medicaid services and support for CMS projects to modernize data analytics for Medicaid and the Children’s Health Insurance Program at the National Association of Medicaid Directors fall conference.




science and technology

Mathematica Team Named Finalist in Stage 1 of CMS Artificial Intelligence Health Outcomes Challenge

Mathematica is partnering with The Health Collaborative, the Patient Advocate Foundation, and MediaAgility on a solution leveraging artificial intelligence and other industry-leading methods to achieve a number of goals to drive primary care transformation.




science and technology

NextGen Seeks Programs that Help People with Complex Challenges Find Work

Despite recent improvements in the overall job market, many individuals – including many individuals with disabilities – continue to face obstacles to gainful employment and economic independence.




science and technology

LaVerne H. Council Appointed to Mathematica’s Board of Directors

Mathematica announced the appointment of LaVerne H. Council to serve as a member of the organization’s Board of Directors.




science and technology

Mathematica Marks National Rural Health Day: Pennsylvania Rural Health Model Drives Payment Innovation

The National Organization of State Offices of Rural Health sets aside the third Thursday of every November—this year, it’s November 21—to celebrate National Rural Health Day.




science and technology

New Release of Agency for Healthcare Research and Quality’s 2018 Compendium of U.S. Health Systems

The Compendium of U.S. Health Systems for 2018 has been released today by the Agency for Healthcare Research and Quality’s (AHRQ) Comparative Health System Performance Initiative.




science and technology

New Tools for Improving Attendance in Pre-Kindergarten and Kindergarten

Chronic absenteeism is particularly high for students in pre-kindergarten and kindergarten compared with those in elementary and middle school. Check out new resources to help identify and reduce it.




science and technology

New Toolkit Highlights How Medicare Accountable Care Organizations Engage Beneficiaries

Under a contract with the Centers for Medicare & Medicaid Services (CMS), Mathematica’s health experts worked with 24 Medicare Accountable Care Organizations (ACOs) and End-Stage Renal Disease (ESRD) Seamless Care Organizations participating in the Shared Savings Program, Next Generation ACO Model, and the Comprehensive ESRD Care Model to identify the strategies that ACOs use to engage beneficiaries in their care.




science and technology

More Nutritious School Meals Reach Millions of Children Since Passage of the Healthy, Hunger-Free Kids Act

Updated nutrition standards called for in the Healthy, Hunger-Free Kids Act of 2010 (HHFKA) have made school meals significantly healthier, according to a recent article.




science and technology

New Year, New Insights: Working Together to Make a Difference for Students

As we step into the new year, Mathematica is proud to announce new partnerships with the U.S. Department of Education. On these projects, we will work together to evaluate education programs and produce insights that strengthen teaching and learning.




science and technology

Howard University and Mathematica to Host Computational Social Science Summer Institute

Mathematica and Howard University have partnered to host the Summer Institute in Computational Social Science (SICSS), which will give social and data scientists opportunities to explore how they can use real-world data to address ethics and equity in artificial intelligence.




science and technology

Mathematica Named a Best Place to Work for LGBTQ Equality

Mathematica received a score of 100 percent on the Human Rights Campaign Foundation’s recently released 2020 Corporate Equality Index (CEI), earning the designation as a Best Place to Work for LGBTQ Equality.




science and technology

Web Directions Code ’20 session spotlight–The Magical World of Web Animation

The Magical World of Web Animation Milly Rowett, Senior Developer REA Group Back when we were kids, we used to have fun browsing the web, it was a magical playground full of colours, moving parts and games. Now we see browsing as a reluctant job to be done; finding a house, searching a recipe. Utilising […]

The post Web Directions Code ’20 session spotlight–The Magical World of Web Animation appeared first on Web Directions.




science and technology

Web Directions Code ’20 session spotlight–JavaScript debugging the hard way

JavaScript debugging the hard way Marcin Szczepanski, Principal Developer Atlassian Error on line 1, column 6532112 of bundle.js? Out of memory error trying to load a CPU profile into the Chrome debugger? Two minutes to see wait and see if a change you made fixed a bug? While upgrading our complex web application from Webpack […]

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science and technology

Web Directions Code ’20 session spotlight–Making Single Page Apps Accessible

Making Single Page Apps Accessible Jess Budd, Front End Developer HBF Javascript frameworks get a bad rap when it comes to accessibility. But is it the frameworks creating the barriers, or us as the developers? Follow me on a journey through div soup, past the lost focus and under the unchanged titles. Find out: is […]

The post Web Directions Code ’20 session spotlight–Making Single Page Apps Accessible appeared first on Web Directions.




science and technology

Web Directions Code ’20 session spotlight–Know Your HTML

Know Your HTML Chris Lienert, Front End Technical Lead Iress HTML didn’t stop at version 5 and it continues to evolve. Chris Lienert will review a number of HTML elements and attributes that are new and (somewhat!) ready to be used. About Chris Lienert Chris started out as a web developer when Netscape ruled the […]

The post Web Directions Code ’20 session spotlight–Know Your HTML appeared first on Web Directions.




science and technology

We’re re-imagining what a conference looks like when it’s remote-only

As you can imagine for folks in the business of producing conferences the last few weeks have resulted in a great deal of thinking…. and rethinking of our plans for our upcoming events, particularly Code and Code Leaders in light of the COVID-19 pandemic. As the meme goes–”life comes at you fast”.  Just 7 days ago we wrote to […]

The post We’re re-imagining what a conference looks like when it’s remote-only appeared first on Web Directions.




science and technology

Web Directions Code ’20 session spotlight–The State of the DOM

The State of the DOM Marcos Caceres, Standards Engineer Mozilla The DOM, while not quite as old as the Web itself, has been with us for the entire professional lifetime of almost every web developer. But its far from fixed in stone. Now the responsibility of the WHATWG it continues to evolve in response to […]

The post Web Directions Code ’20 session spotlight–The State of the DOM appeared first on Web Directions.




science and technology

Web Directions Code ’20 session spotlight–Evolving Web APIs for everyday developers

Evolving Web APIs for everyday developers Michael Mifsud, Senior platforms engineer Redbubble JavaScript is evolving quickly, and with it so the Web APIs. In just a few years it’s grown from humble callbacks to include generators, async iterations, and async functions. With this growth has come fragmentation not just in the availability of APIs but […]

The post Web Directions Code ’20 session spotlight–Evolving Web APIs for everyday developers appeared first on Web Directions.




science and technology

Web Directions Code ’20 session spotlight–Tuning web performance with just browser APIs

Tuning web performance with just browser APIs Yaser Adel Mehraban, Lead Consultant Telstra Purple As web applications become more complex, with a corresponding increase in required bandwidth and bundle sizes, to meet users’ expectations the need to consider web performance has never been more important. Yes, there are third-party tools that can help with performance […]

The post Web Directions Code ’20 session spotlight–Tuning web performance with just browser APIs appeared first on Web Directions.




science and technology

Web Directions Code ’20 session spotlight–Web Assembly at the Edge

Web Assembly at the Edge Mark Nottingham, Principal Engineer Fastly Full session details coming soon About Mark Nottingham Mark Nottingham has helped develop the Web and the Internet since the late 90’s. He has written, edited or substantially contributed to more than twenty IETF RFCs and W3C Recommendations about topics like HTTP, caching, linking, Web […]

The post Web Directions Code ’20 session spotlight–Web Assembly at the Edge appeared first on Web Directions.




science and technology

It was 20 years ago today…

When I was younger the opening lines of the Beatle’s seminal Sgt. Pepper’s Lonely Hearts Club Band resonated with a sense of genuine antiquity, which no doubt the band intended–20 years seemed an aeon in the eyes of someone young. Especially the years 1947, from the early post war days of genuine privation for people […]

The post It was 20 years ago today… appeared first on Web Directions.




science and technology

Characterization of aerosolized particles from nanoclay-enabled composites during manipulation processes

Environ. Sci.: Nano, 2020, Advance Article
DOI: 10.1039/C9EN01211G, Paper
Eun Gyung Lee, Lorenzo Cena, Jiwoon Kwon, Ali Afshari, HaeDong Park, Gary Casuccio, Kristin Bunker, Traci Lersch, Ashley Gall, Huy Pham, Alixandra Wagner, Sushant Agarwal, Cerasela Zoica Dinu, Rakesh Gupta, Sherri A. Friend, Todd A. Stueckle
Manufacturing, processing, use, and disposal of nanoclay-enabled composites potentially lead to the release of nanoclay particles from the polymer matrix in which they are embedded; however, exposures to airborne particles are poorly understood.
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Nuclear translocation of silver ions and hepatocyte nuclear receptor impairment upon exposure to silver nanoparticles

Environ. Sci.: Nano, 2020, Advance Article
DOI: 10.1039/C9EN01348B, Paper
Open Access
Vanessa Tardillo Suárez, Elizaveta Karepina, Mireille Chevallet, Benoit Gallet, Cécile Cottet-Rousselle, Peggy Charbonnier, Christine Moriscot, Isabelle Michaud-Soret, Wojciech Bal, Alexandra Fuchs, Rémi Tucoulou, Pierre-Henri Jouneau, Giulia Veronesi, Aurélien Deniaud
Upon exposure to non-toxic concentration of silver nanoparticles, only the ionic form of silver is found in the nucleus leading to an endocrine disruptor-like effect.
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science and technology

Outstanding Reviewers for Environmental Science: Nano in 2019

Environ. Sci.: Nano, 2020, Advance Article
DOI: 10.1039/D0EN90015J, Editorial

We would like to take this opportunity to highlight the Outstanding Reviewers for Environmental Science: Nano in 2019, as selected by the editorial team for their significant contribution to the journal.
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science and technology

Release of silver from nanoparticle-based filter paper and the impacts to mouse gut microbiota

Environ. Sci.: Nano, 2020, Advance Article
DOI: 10.1039/C9EN01387C, Paper
Jingtao Wu, Cui Li, Jie Zhang, Neal W. Menzies, Paul M. Bertsch, Peng Wang, Peter M. Kopittke
The high antibacterial properties of the filter paper containing silver nanoparticles (Ag-NPs) and subsequent impacts on mice.
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science and technology

Critical role of water stability in metal–organic frameworks and advanced modification strategies for the extension of their applicability

Environ. Sci.: Nano, 2020, Advance Article
DOI: 10.1039/C9EN01321K, Critical Review
Botao Liu, Kumar Vikrant, Ki-Hyun Kim, Vanish Kumar, Suresh Kumar Kailasa
Metal–organic frameworks (MOFs) are well known for their versatile applications in diverse fields (e.g., gas adsorption, water purification, sensing, drug delivery, and catalysis).
To cite this article before page numbers are assigned, use the DOI form of citation above.
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science and technology

Rapid organic solvent extraction coupled with surface enhanced Raman spectroscopic mapping for ultrasensitive quantification of foliarly applied silver nanoparticles in plant leaves

Environ. Sci.: Nano, 2020, 7,1061-1067
DOI: 10.1039/C9EN01246J, Communication
Zhiyun Zhang, Ming Xia, Chuanxin Ma, Huiyuan Guo, Wenhao Wu, Jason C. White, Baoshan Xing, Lili He
An organic solvent-based extraction approach coupled with surface enhanced Raman spectroscopic mapping technique to quantify silver nanoparticles in spinach leaf.
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science and technology

The adsorption and oxidation of SO2 on MgO surface: experimental and DFT calculation studies

Environ. Sci.: Nano, 2020, 7,1092-1101
DOI: 10.1039/C9EN01474H, Paper
Honghong Wang, Cheng Zhong, Qingxin Ma, Jinzhu Ma, Hong He
The reaction mechanisms and synergistic effects of NO2/O2 on the heterogeneous oxidation of SO2 to sulfate on a MgO surface.
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science and technology

Mass cytometric study on the heterogeneity in cellular association and cytotoxicity of silver nanoparticles in primary human immune cells

Environ. Sci.: Nano, 2020, 7,1102-1114
DOI: 10.1039/C9EN01104H, Paper
My Kieu Ha, Jang-Sik Choi, Sook Jin Kwon, Jaewoo Song, Yangsoon Lee, Young-Eun Kim, Tae Hyun Yoon
Between-population and within-population heterogeneity in the uptake and toxicity of silver nanoparticles in primary human immune cells revealed by mass cytometry.
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science and technology

Surface coating and particle size are main factors explaining the transcriptome-wide responses of the earthworm Lumbricus rubellus to silver nanoparticles

Environ. Sci.: Nano, 2020, 7,1179-1193
DOI: 10.1039/C9EN01144G, Paper
Dick Roelofs, Sunday Makama, Tjalf E. de Boer, Riet Vooijs, Cornelis A. M. van Gestel, Nico W. van den Brink
We present transcriptome responses of earthworms exposed to differently sized and coated silver nanoparticles (AgNPs), which are used in important industrial and biomedical applications.
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science and technology

Emerging investigator series: ion diffusivities in nanoconfined interfacial water films contribute to mineral carbonation thresholds

Environ. Sci.: Nano, 2020, 7,1068-1081
DOI: 10.1039/C9EN01382B, Paper
Quin R. S. Miller, John P. Kaszuba, Sebastien N. Kerisit, H. Todd Schaef, Mark E. Bowden, B. Peter McGrail, Kevin M. Rosso
Mineral carbonation reactivity trends and thresholds in nanoconfined water films delineated with in situ X-ray diffraction and molecular simulations.
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science and technology

Emerging investigator series: synthesis of magnesium oxide nanoparticles fabricated on a graphene oxide nanocomposite for CO2 sequestration at elevated temperatures

Environ. Sci.: Nano, 2020, 7,1225-1239
DOI: 10.1039/C9EN01442J, Paper
C. A. Gunathilake, G. G. T. A. Ranathunge, R. S. Dassanayake, S. D. Illesinghe, Amanpreet S. Manchanda, C. S. Kalpage, R. M. G. Rajapakse, D. G. G. P. Karunaratne
MONP and MONP–GO sorbents exhibited relatively high CO2 sorption capacity (2.79–3.34 mmol g−1) under elevated temperature conditions.
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science and technology

The rise of the nanomaterial metabolite corona, and emergence of the complete corona

Environ. Sci.: Nano, 2020, 7,1041-1060
DOI: 10.1039/C9EN00938H, Critical Review
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Andrew J. Chetwynd, Iseult Lynch
Metabolites present in the corona may play a key role in biological recognition of nanomaterials yet remain a much-overlooked aspect of the corona.
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science and technology

Nanomaterials for radioactive wastewater decontamination

Environ. Sci.: Nano, 2020, 7,1008-1040
DOI: 10.1039/C9EN01341E, Critical Review
Xiaoyuan Zhang, Yu Liu
Nanomaterials have been demonstrated to be an effective adsorbent or an ion exchanger for selectively removing various radioactive species present in contaminated water while preventing radionuclides from entering and interacting with the biosphere.
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science and technology

Impact of nano-TiO2 on horizontal transfer of resistance genes mediated by filamentous phage transduction

Environ. Sci.: Nano, 2020, 7,1214-1224
DOI: 10.1039/C9EN01279F, Paper
Xue Han, Peng Lv, Lu-Guang Wang, Fei Long, Xiao-Lin Ma, Chang Liu, Yu-Jie Feng, Ming-Feng Yang, Xiang Xiao
The spread of antibiotic resistance genes (ARGs) in the environment has aroused growing concern for human health and ecological safety.
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science and technology

The fate of CdS quantum dots in plants as revealed by extended X-ray absorption fine structure (EXAFS) analysis

Environ. Sci.: Nano, 2020, 7,1150-1162
DOI: 10.1039/C9EN01433K, Paper
Marta Marmiroli, Giovanni Orazio Lepore, Luca Pagano, Francesco d'Acapito, Alessandra Gianoncelli, Marco Villani, Laura Lazzarini, Jason C. White, Nelson Marmiroli
The use of quantum dots (QDs) is widespread and as such, the potential risk associated with their dispersion in the environment has stimulated research on their interaction with potential sensitive receptors.
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science and technology

Trophic transfer and biomagnification of fullerenol nanoparticles in an aquatic food chain

Environ. Sci.: Nano, 2020, 7,1240-1251
DOI: 10.1039/C9EN01277J, Paper
Qiuyue Shi, Cheng Long Wang, Han Zhang, Chunying Chen, Xian Zhang, Xue-Ling Chang
Understanding the trophic transfer and biomagnification potential of nanomaterials in aquatic food chains is crucial for assessing the environmental risks of such materials.
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science and technology

Molten NaCl-induced MOF-derived carbon-polyhedron decorated carbon-nanosheet with high defects and high N-doping for boosting the removal of carbamazepine from water

Environ. Sci.: Nano, 2020, 7,1205-1213
DOI: 10.1039/C9EN01408J, Paper
Dezhi Chen, Shoujun Wang, Zhiming Zhang, Hongying Quan, Yachao Wang, Yijie Jiang, Matthew J. Hurlock, Qiang Zhang
The efficient removal of endocrine-disrupting pollutants (EDCs) from water is a crucial issue for improving the quality of drinking water.
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science and technology

Insights into the uptake, distribution, and efflux of arsenite associated with nano-TiO2 in determining its toxicity on Daphnia magna

Environ. Sci.: Nano, 2020, 7,1194-1204
DOI: 10.1039/C9EN01453E, Paper
Zhuanxi Luo, Zhenhong Wang, Baoshan Xing
This study provides new insights into the “Trojan horse” effects of nano-TiO2 on arsenite (As(III)) bioaccumulation in Daphnia magna.
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science and technology

Immobilization of mercury by nano-elemental selenium and the underlying mechanisms in hydroponic-cultured garlic plant

Environ. Sci.: Nano, 2020, 7,1115-1125
DOI: 10.1039/C9EN01294J, Paper
Jiating Zhao, Xujun Liang, Nali Zhu, Liming Wang, Yunyun Li, Yu-Feng Li, Lirong Zheng, Zhiyong Zhang, Yuxi Gao, Zhifang Chai
Naturally and anthropogenic selenium nanoparticles highly work on mercury immobilization and inactivation in aquatic-plant systems.
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science and technology

Enhanced uptake of glyoxal at the acidic nanoparticle interface: implications for secondary organic aerosol formation

Environ. Sci.: Nano, 2020, 7,1126-1135
DOI: 10.1039/D0EN00016G, Paper
Qiuju Shi, Weina Zhang, Yuemeng Ji, Jiaxin Wang, Dandan Qin, Jiangyao Chen, Yanpeng Gao, Guiying Li, Taicheng An
Glyoxal (GL) exhibits a preferential tendency to the acidic nanoparticle interface, and sulfuric acid (SA) has a catalytic effect on hydration reaction of glyoxal in the aqueous phase.
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science and technology

Amorphous phosphated titanium oxide with amino and hydroxyl bifunctional groups for highly efficient heavy metal removal

Environ. Sci.: Nano, 2020, 7,1266-1274
DOI: 10.1039/C9EN01466G, Paper
Peng Wang, Du Sun, Mingxia Deng, Shaoning Zhang, Qingyuan Bi, Wei Zhao, Fuqiang Huang
FAPTO exhibits a low pHzpc value along with abundant amino and hydroxyl bifunctional groups for efficient heavy metal removal from sewage.
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science and technology

Co-exposure to foodborne and waterborne ZnO nanoparticles in aquatic sediment environments enhances DNA damage and stress gene expression in freshwater Asian clam Corbicula fluminea

Environ. Sci.: Nano, 2020, 7,1252-1265
DOI: 10.1039/C9EN01270B, Paper
Chi-Wei Huang, Chun-Han Chang, Shang-Wei Li, Pei-Ling Yen, Vivian Hsiu-Chuan Liao
Co-exposure to foodborne and waterborne ZnO nanoparticles in aquatic sediment environments increases mortality, Zn bioaccumulation, stress genes expression, and DNA damage in freshwater Asian clam Corbicula fluminea.
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science and technology

Efficient extraction of slowly-released Cr(VI) from nano-sized ion channels in Cr(VI)–ettringite from reduced chromite ore processing residue

Environ. Sci.: Nano, 2020, 7,1082-1091
DOI: 10.1039/D0EN00074D, Paper
Weizhen Liu, Yao Song, Jing Li, Lan Ling, Chen Tian, Xueming Liu, Zhang Lin
Complete extraction of Cr(VI) from rCOPR which involved ion exchange in ion channels of Cr(VI)–ettringite, formation and growth of nano-CaCO3.
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science and technology

Exposure medium and particle ageing moderate the toxicological effects of nanomaterials to Daphnia magna over multiple generations: a case for standard test review?

Environ. Sci.: Nano, 2020, 7,1136-1149
DOI: 10.1039/D0EN00049C, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Laura-Jayne A. Ellis, Eugenia Valsami-Jones, Iseult Lynch
Pristine engineered nanomaterials (NMs) entering the aquatic environment become ‘aged’ during their lifetime via chemical, physical and/or biological process.
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science and technology

Effect of NOM on copper sulfide nanoparticle growth, stability, and oxidative dissolution

Environ. Sci.: Nano, 2020, 7,1163-1178
DOI: 10.1039/C9EN01448A, Paper
Open Access
  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Kevin Hoffmann, Sylvain Bouchet, Iso Christl, Ralf Kaegi, Ruben Kretzschmar
Natural organic matter (NOM) impedes the growth of colloidally stable CuxS nanoparticles and slows down their morphological development, but also drives their oxidative dissolution.
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