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Wash complex

Shao-Li Hong, Ya-Nan Zhang, Ya-Hua Liu, Man Tang, Dai-Wen Pang, Gary Wong, Jianjun Chen, Xiangguo Qiu, George F Gao, Wenjun Liu, Yuhai Bi, Zhi-Ling Zhang
Ebola virus (EBOV) disease is a complex zoonosis that is highly virulent in humans, and has caused many deaths. Highly sensitive detection of EBOV is of great importance to early-stage diagnosis for increasing the probability of survival. Herein, we established a cellular beacon-mediated counting strategy for ultrasensitive EBOV assay on a micromagnetic platform. The detection platform that was assisted by on-demand magnetic field manipulation showed high integration, and enhanced complex sample pretreatment ability by magnetophoretic separation and continuous flow washing...
May 24, 2018: Analytical Chemistry
A Tazrart, M A Bolzinger, S Lamart, S Coudert, J F Angulo, V Jandard, S Briançon, N M Griffiths
Skin contamination by alpha-emitting actinides is a risk to workers during nuclear fuel production and reactor decommissioning. Also, the list of items for potential use in radiological dispersal devices includes plutonium and americium. The actinide chemical form is important and solvents such as tributyl phosphate, used to extract plutonium, can influence plutonium behavior. This study investigated skin fixation and efficacy of decontamination products for these actinide forms using viable pig skin in the Franz cell diffusion system...
July 2018: Health Physics
Lucía Ferreiro, José M Porcel, Silvia Bielsa, María Elena Toubes, José Manuel Álvarez-Dobaño, Luis Valdés
The management of infected pleural effusion is complex. Therapeutic resolution requires determining the following: appropriate antibiotic regimen, the need for pleural drainage, the optimal drainage tube size, and the need for intrapleural therapy or surgery. Areas covered: An updating of the latest advances in the management of parapneumonic pleural effusion based on the best evidence available is provided. Expert commentary: The correct management of parapneumonic pleural effusion is based on selecting an antibiotic regimen according to the origin of the pleural infection (community-acquired or nosocomial)...
May 20, 2018: Expert Review of Respiratory Medicine
Karlhans Fru Che, Ellen Tufvesson, Sara Tengvall, Elisa Lappi-Blanco, Riitta Kaarteenaho, Bettina Levänen, Marie Ekberg, Annelie Brauner, Åsa M Wheelock, Leif Bjermer, C Magnus Sköld, Anders Lindén
Long-term tobacco smokers with chronic obstructive pulmonary disease (COPD) or chronic bronchitis display an excessive accumulation of neutrophils in the airways; an inflammation that responds poorly to established therapy. Thus, there is a need to identify new molecular targets for the development of effective therapy. Here, we hypothesized that the neutrophil-mobilizing cytokine interleukin (IL)-26 (IL-26) is involved in airway inflammation amongst long-term tobacco smokers with or without COPD, chronic bronchitis or colonization by pathogenic bacteria...
May 23, 2018: Clinical Science (1979-)
Shishu Zhu, Xiaochen Huang, Dawei Wang, Li Wang, Fang Ma
The superiority of the nanoscale zero valent iron (nZVI) assisted biochar (BC) composites compared to traditional nZVI and its application feasibility are still unclear. This study aimed to provide valuable information for practical application. Firstly, the Fe/BC mass ratio of 2:1 during the preparation of nZVI-BC was proved obtaining the complete Cr6+ removal. Then, results revealed that the initial pH value tuned Cr6+ removal performance via varying existing Cr6+ species, surface charge, and chemical states of iron nanoparticles (NPs)...
May 9, 2018: Chemosphere
Maha Bouzid, Oliver Cumming, Paul R Hunter
Patient satisfaction with healthcare has clear implications on service use and health outcomes. Barriers to care seeking are complex and multiple and delays in seeking care are associated with significant morbidity and mortality. We sought to assess the relationship between water, sanitation and hygiene (WASH) provision in healthcare facilities (HCF) and patient satisfaction/care seeking behaviour in low-income and middle-income countries. Pubmed and Medline Ovid were searched using a combination of search terms...
2018: BMJ Global Health
Luiz Fernando Ribeiro, Jorge Cesar Masini
A monolithic column affording complexing groups was synthesized for automated solid-phase extraction of potentially toxic metal ions in a low-pressure sequential injection analyzer. Poly(glycidyl methacrylate-co-ethylene dimethacrylate) monoliths were synthesized by free-radical polymerization in the coffins of fused silica-lined stainless-steel tubes (2.10 mm i.d. × 5-6 cm length). High permeability (4.33 × 10-13 m2 ) was achieved for monoliths polymerized for 24 h at 60 °C from a mixture of 30 wt% glycidyl methacrylate, 10 wt% ethylene glycol dimethacrylate, 35 wt% n-propanol, 20 wt% 1,4 butanediol and 5 wt% water...
August 1, 2018: Talanta
Christiane Reitz
In recent years, genomic, animal and cell biology studies have implicated deficiencies in retromer-mediated trafficking of proteins in an increasing number of neurodegenerative diseases including Alzheimer's Disease (AD), Parkinson's Disease (PD) and Frontotemporal Lobar Degener-ation (FTLD). The retromer complex, which is highly conserved across all eukaryotes, regulates the sorting of transmembrane proteins out of endo-somes to the cell surface or to the trans-Golgi network. Within retromer, cargo selection and binding are performed by a trimer of the Vps26, Vps29 and Vps35 proteins, named the "Cargo-Selective Complex (CSC)"...
May 2018: Current Genomics
Sinéad Knight, Helen Plant, Lisa McWilliams, Mark Wigglesworth
Adaptation of phenotypic cell assays to 1536-well format brings major challenges in liquid handling for high-content assays requiring washing steps and coating of plates. In addition, problematic edge effects and reduced assay quality are frequently encountered. In this chapter, we describe the novel application of a centrifugal plate washer to facilitate miniaturization of 1536-well cell assays and a combination of techniques to reduce edge effects, all of which improved throughput and data quality. Cell assays currently limited in throughput because of cost and complex protocols may be enabled by the techniques presented in this chapter...
2018: Methods in Molecular Biology
Yanxue Cai, Keren Kang, Qianru Li, Yu Wang, Xiaowei He
A reliable lateral flow immunoassay (LFIA) based on a facile one-step synthesis of single microspheres in combining with immunochromatography technique was developed to establish a new point-of-care test (POCT) for the rapid and early detection of cardiac troponin I (cTnI), a kind of cardiac specific biomarker for acute myocardial infarction (AMI). The double layered microspheres with clear core-shell structures were produced using soap-free emulsion polymerization method with inexpensive compounds (styrene and acrylic acid)...
May 7, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Dan Wang, Yong Sun, Lili Chang, Zheng Tong, Quanliang Xie, Xiang Jin, Liping Zhu, Peng He, Hongbin Li, Xuchu Wang
Rubber particle (RP) is a specific organelle for natural rubber biosynthesis (NRB) and storage in rubber tree Hevea brasiliensis. NRB is processed by RP membrane-localized proteins, which were traditionally purified by repeated washing. However, we noticed many proteins in the discarded washing solutions (WS) from RP. Here, we compared the proteome profiles of WS, C-serum (CS) and RP by 2-DE, and identified 233 abundant proteins from WS by mass spectrometry. Many spots on 2-DE gels were identified as different protein species...
May 3, 2018: Journal of Proteomics
Himanshi Rohra, Rahul Tiwari, Puja Khare, Ajay Taneja
Attempts have been made to comprehend size distribution pattern of Particulate Matter (PM) and associated elemental concentration within coarse (2.5-10μm), quasi-accumulation (q-Acc) (0.25-2.5μm) and quasi-ultrafine (q-UF) (<0.25μm) ranges at indoors and outdoors of residential homes of Agra. Overall, the average mass concentrations of PM10 and PM2.5 in indoors were found to be 263.24±59.24 and 212.01±38.06μgm-3 while in outdoors the concentrations accounted to 194.28±15.25 and 152.88±16.31μgm-3 respectively; exceeding WHO standards...
August 1, 2018: Science of the Total Environment
Frances C Tilley, Matthew Gallon, Chong Luo, Chris M Danson, Jing Zhou, Peter J Cullen
Autosomal dominant polycystic kidney disease (ADPKD) is the most common monogenic human disease, with around 12.5 million people affected worldwide. ADPKD results from mutations in either PKD1 or PKD2 , which encode the atypical G-protein coupled receptor polycystin-1 (PC1) and the transient receptor potential channel polycystin-2 (PC2) respectively. Although altered intracellular trafficking of PC1 and PC2 appear as an underlying feature of ADPKD, the mechanisms which govern vesicular transport of the polycystins through the biosynthetic and endosomal membrane networks remain to be fully elucidated...
May 3, 2018: Journal of Cell Science
Jeffrey M Verboon, Jacob R Decker, Mitsutoshi Nakamura, Susan M Parkhurst
No abstract text is available yet for this article.
May 1, 2018: Journal of Cell Science
Julia C Webb, Harriet A Brown, Hannah Toms, Anne E Goodenough
Forensic palynology has been important in criminal investigation since the 1950s and often provides evidence that is vital in identifying suspects and securing convictions. However, for such evidence to be used appropriately, it is necessary to understand the factors affecting taphonomic variability (i.e. the variability in the fate of pollen grains before they are found during forensic examination). Here, we test the relative amount of pollen retained on clothing after a period of simulated light or heavy wear based on pollen and fabric characteristics...
April 15, 2018: Forensic Science International
Aniela Wozniak, Natalia Scioscia, Patricia C García, James B Dale, Braulio A Paillavil, Paulette Legarraga, Francisco J Salazar-Echegarai, Susan M Bueno, Alexis M Kalergis
Streptococcus pyogenes (group A Streptococcus) causes diseases ranging from mild pharyngitis to severe invasive infections. The N-terminal fragment of Streptococcal M protein elicits protective antibodies and is an attractive vaccine target. However, this N- terminal fragment is hypervariable and there are more than 200 different M types. We are developing an intranasal live bacterial vaccine comprised of 10 strains of Lactococcus lactis, each expressing one N-terminal fagment of M protein. Live bacterial-vectored vaccines have lower associated costs because of its less complex manufacturing processes compared to protein subunit vaccines...
April 28, 2018: Microbiology and Immunology
Jingzi Beiyuan, Daniel C W Tsang, Marjorie Valix, Kitae Baek, Yong Sik Ok, Weihua Zhang, Nanthi S Bolan, Jörg Rinklebe, Xiang-Dong Li
Chelant-enhanced soil washing, such as EDTA (ethylenediaminetetraacetic acid) and biodegradable EDDS ([S,S]-ethylene-diamine-disuccinic acid), has been widely studied, however, EDTA is persistent under natural conditions while EDDS has a low efficiency for Pb extraction. Therefore, we investigated the efficacy of mixed chelants (EDDS and EDTA mixture at 1:1 M ratio) for the removal of Cu, Zn, and Pb from a field-contaminated soil using various washing schemes (multi-pulse, step-gradient chelant, and continuous washing schemes)...
April 17, 2018: Chemosphere
Pin-Chao Liao, Istvan R Boldogh, Stephanie E Siegmund, Zachary Freyberg, Liza A Pon
Isolated mitochondria are widely used to study the function of the organelle. Typically, mitochondria are prepared using differential centrifugation alone or in conjunction with density gradient ultracentrifugation. However, mitochondria isolated using differential centrifugation contain membrane or organelle contaminants, and further purification of crude mitochondria by density gradient ultracentrifugation requires large amounts of starting material, and is time-consuming. Mitochondria have also been isolated by irreversible binding to antibody-coated magnetic beads...
2018: PloS One
Kanchan Sinha Roy, Ajay Kumar Purohit, Buddhadeb Chandra, D Raghavender Goud, Deepak Kumar Pardasani, Devendra K Dubey
Extraction and identification of lethal nerve agents and their markers in complex organic background have prime im-portance from the forensic & verification view point of the Chemical Weapons Convention (CWC). Liquid-liquid extraction with acetonitrile and commercially available solid phase silica cartridges are extensively used for this purpose. Silica car-tridges exhibit limited applicability for relatively polar analytes and acetonitrile extraction shows limited efficacy towards relatively nonpolar analytes...
April 26, 2018: Analytical Chemistry
Cai-Ping Ye, Gan Xu, Zheng Wang, Jie Han, Lian Xue, Fu-Yu Cao, Qi Zhang, Lin-Feng Yang, Li-Zhou Lin, Xu-Dong Chen
The functionalized ligand 9,10-anthraquinone-1,4-dicarboxylate acid (H2AQDC) was designed and synthesized in order to develop metal-organic coordination polymers as heterogeneous catalysts with a photosensitizing feature. Two major considerations of the ligand design are anthraquinone moieties for photosensitizing to harvest light and carboxylate groups for polymeric coordination toward less solubility. A series of transition metal complexes based on this ligand were synthesized subsequently, namely {Co(AQDC)(H2O)3·2H2O}n (Co-AQDC), {Ni(AQDC)(H2O)3·2H2O}n (Ni-AQDC), {[Cu(AQDC)(H2O)3][Cu(AQDC)(H2O)2(DMF)]·(H2O)4}n (Cu-AQDC), {Zn1...
April 25, 2018: Dalton Transactions: An International Journal of Inorganic Chemistry
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