2,271,376 results match your criteria Science & Medicine[Journal]


Advances in Delayed-Onset Muscle Soreness (DOMS): Part I: Pathogenesis and Diagnostics.

Sportverletz Sportschaden 2018 Dec 11;32(4):243-250. Epub 2018 Dec 11.

Muscle Research Center Erlangen, Interdisciplinary Center for Muscle Research, Friedrich-Alexander-University Erlangen-Nuremberg, Germany.

Delayed-onset muscle soreness (DOMS) is a type of ultrastructural muscle injury. The manifestation of DOMS is caused by eccentric or unfamiliar forms of exercise. Clinical signs include reduced force capacities, increased painful restriction of movement, stiffness, swelling, and dysfunction of adjacent joints. Read More

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December 2018

Characteristics of interactions at protein segments without non-local intramolecular contacts in the Protein Data Bank.

PLoS One 2018 11;13(12):e0205052. Epub 2018 Dec 11.

School of Life Science and Technology, Tokyo Institute of Technology, Nagatsuda-cho, Midori-ku, Yokohama, Kanagawa, Japan.

The principle of three-dimensional protein structure formation is a long-standing conundrum in structural biology. A globular domain of a soluble protein is formed by a network of atomic contacts among amino acid residues, but regions without intramolecular non-local contacts are often observed in the protein structure, especially in loop, linker, and peripheral segments with secondary structures. Although these regions can play key roles for protein function as interfaces for intermolecular interactions, their nature remains unclear. Read More

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December 2018

The Effectiveness of a Virtual Reality-Based Tai Chi Exercise on Cognitive and Physical Function in Older Adults with Cognitive Impairment.

Dement Geriatr Cogn Disord 2018 Dec 11;46(5-6):358-370. Epub 2018 Dec 11.

Department of Physical Therapy and Graduate Institute of Rehabilitation Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan.

Background: Tai Chi (TC) is a Chinese mind-body exercise with proven physical and psychological benefits. A modified TC via virtual reality (VR) may be suitable for the elderly owing to the immediate guidance and feedback regarding movement accuracy. This study explored the cognitive and physical effects of a VR-based TC (VRTC) exercise program on older adults with cognitive impairment (CI). Read More

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December 2018

Hypoxia Preconditioning of Human MSCs: a Direct Evidence of HIF-1α and Collagen Type XV Correlation.

Cell Physiol Biochem 2018 7;51(5):2237-2249. Epub 2018 Dec 7.

Department of Biomedical and Specialty Surgical Sciences, University of Ferrara, Ferrara,

Background/aims: Mesenchymal stromal cells (MSCs) hold considerable promise in bone tissue engineering, but their poor survival and potency when in vivo implanted limits their therapeutic potential. For this reason, the study on culture conditions and cellular signals that can influence the potential therapeutic outcomes of MSCs have received considerable attention in recent years. Cell maintenance under hypoxic conditions, in particular for a short period, is beneficial for MSCs, as low O2 tension is similar to that present in the physiologic niche, however the precise mechanism through which hypoxia preconditioning affects these cells remains unclear. Read More

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December 2018

RNA-Seq Analyses of the Role of miR-21 in Acute Pancreatitis.

Cell Physiol Biochem 2018 7;51(5):2198-2211. Epub 2018 Dec 7.

Institute for Brain Research and Rehabilitation, Guangdong Key Laboratory of Mental Health and Cognitive Science, Center for Studies of Psychological Application, South China Normal University, Guangzhou,

Background/aims: Our previous study demonstrated that a deficiency of microRNA 21 (miR-21) protects mice from acute pancreatitis, yet the underlying molecular networks associated with miR-21 in pancreatitis and pancreatitis-associated lung injury remain unexplored.

Methods: We used next generation sequencing to analyze gene expression profiles of pancreatic tissues from wild-type (WT) and miR-21 knockout (KO) mice treated with caerulein by using a 1-day treatment protocol. The Database for Annotation, Visualization, and Integrated Discovery gene annotation tool and Ingenuity Pathway Analysis were used to analyze the molecular pathways, while quantitative real-time PCR, western blotting, and immunohistochemistry were used to explore the molecular mechanisms. Read More

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December 2018
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Comparison of Pure-Tone Average Methods for Estimation of Hearing Loss Caused by Environmental Exposure to Lead and Cadmium: Does the Pure-Tone Average Method Which Uses Low-Frequency Ranges Underestimate the Actual Hearing Loss Caused by Environmental Lead and Cadmium Exposure?

Audiol Neurootol 2018 Dec 11;23(5):259-269. Epub 2018 Dec 11.

BK21 PLUS Program in Embodiment: Health-Society Interaction, Department of Public Health Sciences, Graduate School, Korea University, Seoul, Republic of Korea.

Previous studies have reported that exposure to lead and cadmium can damage the inner ear receptor, which perceives high-frequency sounds. However, few studies have used the pure-tone average (PTA), including high-frequency ranges, for the estimation of hearing loss caused by lead and cadmium exposure. We estimated hearing loss using the PTA test, in low-frequency, speech frequency, and high-frequency ranges and compared the differences in the results using 3 PTA calculation methods. Read More

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December 2018

Simultaneous optimization of isocenter locations and sector duration in radiosurgery.

Phys Med Biol 2018 Dec 11. Epub 2018 Dec 11.

Odette Cancer Centre, Sunnybrook Health Sciences Centre, Toronto, Ontario, CANADA.

Stereotactic radiosurgery is an effective technique to treat brain tumors for which several inverse planning methods may be appropriate. We propose an integer programming model to simultaneous sector duration and isocenter optimization (SDIO) problem for Leksell Gamma Knife{\textregistered} Icon{\texttrademark} (Elekta, Stockholm, Sweden) to tractably incorporate treatment time. We devise a Benders decomposition scheme to solve the SDIO problem to optimality. Read More

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December 2018

Stability and mean residence times for hybrid epithelial/mesenchymal phenotype.

Phys Biol 2018 Dec 11. Epub 2018 Dec 11.

Physics, Indian Institute of Science Education and Research (IISER) Kolkata, Kolkata, INDIA.

Cancer metastasis and drug resistance remain unsolved clinical challenges. A phenotypic transition that is often implicated in both these processes is Epithelial-Mesenchymal Transition (EMT) during which epithelial cells weaken their cell-cell adhesion and gain traits of migration and invasion, typical of mesenchymal cells. However, recent studies indicate that apart from these two states, cells can also exist in one or more hybrid E/M state(s) which plays an aggressive role in progression of the disease. Read More

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December 2018

Melting of bcc crystal Ta without Lindemann Criterion.

J Phys Condens Matter 2018 Dec 11. Epub 2018 Dec 11.

School of Materials Science and Engineering, Georgia Institute of Technology, 771 Ferst Drive, J. Erskine Love Jr. Manufacturing Building, Atlanta, GA 30332-0245, USA, Atlanta, Georgia, 30332, UNITED STATES.

Understanding of melting is deeply rooted in Lindemann criterion which predicts that the transition occurs when the mean vibrational atomic displacement reaches a universal value. The criterion also finds its way in atomic description of kinetics of various structural phase transitions involving liquid and amorphous phases. Here we show using atomistic modeling in bcc crystal Tantalum that neither the universal displacement exists nor melting occurs at the anticipated Lindemann criterion. Read More

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December 2018
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Failure mode in first-principles computational tensile tests of grain boundaries: effects of a bulk-region size, dominant factors, and local-energy and local-stress analysis.

J Phys Condens Matter 2018 Dec 11. Epub 2018 Dec 11.

Tohoku Daigaku Daigakuin Kogaku Kenkyuka Kogakubu, Sendai, Miyagi, JAPAN.

A first-principles computational tensile test (FPCTT) is a powerful tool to investigate intrinsic strength and failure processes of grain boundaries (GBs), according to atomic and electronic behaviors based on density-functional theory, while careful interpretation is required in comparison with experiments, because of ideal conditions used in FPCTTs. We observed serious effects of a bulk-region size in FPCTTs of the {001} Σ5 GB in Al. For a GB supercell with enough thick bulk regions, the energy-strain curve shows spontaneous failure with catastrophic energy release just after the maximum stress point, which we name Type-A failure. Read More

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December 2018

Coaxial-cable hierarchical tubular MnO2@Fe3O4@C heterostructures as advanced anode for lithium-ion batteries.

Nanotechnology 2018 Dec 11. Epub 2018 Dec 11.

Institute of Advanced Materials, Nanjing Tech University, Nanjing, CHINA.

Nanostructured manganese oxides have been regarded as promising anodes for lithium-ion batteries (LIBs) due to their high specific capacity, environmental friendliness and low cost. However, as conversion-type electrodes, their scalable utilization is hindered by intrinsically low reaction kinetics, large volume variation and high polarization. Herein, a coaxial-cable tubular heterostructures composed of hollow carbon skeleton, Fe3O4 nanoparticles and ultrathin MnO2 nanosheets from inside out, donated as MnO2@Fe3O4@C, is synthesized via facile two-step hydrothermal process. Read More

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December 2018

Synthesis and evaluation of HfO2 as a prospective filler in inorganic-organic hybrid membranes based on Nafion for PEM fuel cells.

Nanotechnology 2018 Dec 11. Epub 2018 Dec 11.

SCIENCE, Centro de Investigacion y Desarrollo Tecnologico en Electroquimica SC, Pedro Escobedo, 76703, MEXICO.

Hybrid inorganic-organic Nafion membranes modified with metal oxides (typically TiO<sub>2</sub>, ZrO<sub>2</sub>, WO<sub>3</sub>) are a good alternative for fuel cells applications. However, one of their main limitations is associated with their relative low proton conductivity at temperatures above 80°C. In this work, we overcome this issue using HfO<sub>2</sub> as a filler. Read More

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December 2018

Integration of sputter-deposited multiferroic CoFe2O4-BiFeO3 nanocomposites on conductive La0.7Sr0.3MnO3 electrodes.

Nanotechnology 2018 Dec 11. Epub 2018 Dec 11.

Myongji University - Natural Science Campus, Yongin, 449-728, Korea (the Republic of).

The structure, magnetic and ferroelectric properties of sputtered epitaxial CoFe2O4-BiFeO3 (CFO-BFO) nanocomposite thin films grown on La0.7Sr0.3MnO3 (LSMO) layers on (001) oriented SrTiO3 (STO) substrates and on STO-buffered Si are described. Read More

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December 2018

Plan-view transmission electron microscopy specimen preparation for atomic layer materials using a focused ion beam approach.

Ultramicroscopy 2018 Dec 5;197:95-99. Epub 2018 Dec 5.

Department of Materials Science and Engineering, National Taiwan University, Taipei 10617, Taiwan; Center of Atomic Initiative for New Materials, National Taiwan University, Taipei 10617, Taiwan. Electronic address:

Using the focused ion beam (FIB) to prepare plan-view transmission electron microscopy (TEM) specimens is beneficial for obtaining structural information of two-dimensional atomic layer materials, such as graphene and molybdenum disulfide (MoS) nanosheets supported on substrates. The scanning electron microscopy (SEM) image in a dual-beam FIB-SEM can accurately locate an area of interest for specimen preparation. Besides, FIB specimen preparation avoids damages and hydrocarbon contamination that are usually produced in other preparation methods, in which chemical etching and polymer adhesion layers are used. Read More

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December 2018

The association between diet and mood: A systematic review of current literature.

Psychiatry Res 2018 Dec 4;271:428-437. Epub 2018 Dec 4.

Students' Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran; Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran; Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran; Department of Clinical Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran. Electronic address:

A number of studies have examined the association between diet and mood state, but the findings have been inconclusive. Herein, we conducted a systematic review to assess the association between different diet and mood state. PubMed, Cochrane's library, Science direct, Scopus, Google scholar and ISI web of science databases were searched for all available literature until December 2017 for studies assessing the association between diet and mood state. Read More

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December 2018
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Conformational and solution dynamics of hemoglobin (Hb) in presence of a cleavable gemini surfactant: Insights from spectroscopy, atomic force microscopy, molecular docking and density functional theory.

J Colloid Interface Sci 2018 Dec 3;538:489-498. Epub 2018 Dec 3.

Department of Chemistry, Arba Minch University, Ethiopia.

Herein, we have explored the conformational alterations of hemoglobin (Hb) in presence of a cleavable gemini surfactant (C16-C4O2-C16). The concerned surfactant was found to induce significant structural perturbations in Hb. UV-vis spectroscopy, steady-state/time-resolved fluorescence, and other utilized techniques have authenticated the complexation of Hb with the gemini surfactant. Read More

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December 2018

Environmentally benign conversion of waste polyethylene terephthalate to fluorescent carbon dots for "on-off-on" sensing of ferric and pyrophosphate ions.

J Colloid Interface Sci 2018 Dec 4;538:481-488. Epub 2018 Dec 4.

School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China. Electronic address:

The increasing production of waste polyethylene terephthalate (PET) is a growing problem worldwide. Environmentally benign conversion of waste PET to valuable materials remains a substantial challenge. In this paper, we developed a green route to reuse waste PET for low-cost synthesis of fluorescent carbon dots (CDs) via air oxidation followed by hydrothermal treatment in aqueous HO solution. Read More

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December 2018

Cumulus-oocyte interactions and programmed cell death in bovine embryos produced in vitro.

Theriogenology 2018 Nov 26;126:81-87. Epub 2018 Nov 26.

Laboratory of Molecular Biology, Faculty of Animal Science, University of Sao Paulo, São Paulo, Brazil.

This study investigated the interactions between cumulus cells (CCs) and oocytes and programmed cell death in bovine cumulus-oocyte complexes (COCs) with different morphological characteristics. DNA fragmentation was assessed in CCs at 0 and 24 h of maturation, as well as parthenogenetic developmental competence on the 9th day post-activation, blastocyst quality and BCL-2 and BAX transcript levels in matured CCs. Most immature oocytes in the COC-A group (full cumulus and several compact layers) were in the initial germinal vesicle (iGV) stage, exhibiting minimal or no DNA damage. Read More

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November 2018

Evaluation of porcine circovirus type 2 infection in in vitro embryo production using naturally infected oocytes.

Theriogenology 2018 Dec 4;126:75-80. Epub 2018 Dec 4.

Key Laboratory of Animal Cellular and Genetics Engineering of Heilongjiang Province, College of Life Science, Northeast Agricultural University, Harbin, 150030, Heilongjiang, PR China. Electronic address:

In vitro fertilization (IVF) and somatic cell nuclear transfer (SCNT) are important breeding techniques for livestock. High-quality MII oocytes produced from in vitro maturation (IVM) are required for the two techniques listed above. The ovaries used for IVM operations are primarily acquired from commercial abattoirs, and the pathogen status of slaughtered animals becomes an unavoidable issue. Read More

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December 2018

Differences in perceptions of e-cigarettes across daily and non-daily users.

Addict Behav 2018 Dec 5;90:415-420. Epub 2018 Dec 5.

Department of Psychology, University of Houston, Houston, TX, United States; Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston, TX, United States; Health Institute, University of Houston, Houston, TX, United States. Electronic address:

Objective: E-cigarette use has increased significantly over the past decade. Among the growing population of e-cigarette users, several pattern-based subgroups have emerged, including daily and non-daily users. Daily users are at greater risk for experiencing negative health consequences from use. Read More

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December 2018
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Impact of disinfectant on bacterial antibiotic resistance transfer between biofilm and tap water in a simulated distribution network.

Environ Pollut 2018 Nov 24;246:131-140. Epub 2018 Nov 24.

College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China.

Bacterial antibiotic resistance (BAR) is profoundly important to human health, but the environmental reservoirs of resistance determinants are poorly understood. BAR of biofilm and tap water were analyzed by using a water distribution simulator where different doses of chlorine and chloramine were used in this study. The results revealed that the disinfectants (≥2 mg/L) suppressed antibiotic resistant bacteria (ARB) in tap water and biofilms, while disinfected water and biofilms had a high relative abundance of ARB. Read More

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November 2018

Prediction of organic contaminant uptake by plants: Modified partition-limited model based on a sequential ultrasonic extraction procedure.

Environ Pollut 2018 Nov 30;246:124-130. Epub 2018 Nov 30.

Department of Environmental Science, Zhejiang University, Hangzhou, Zhejiang 310058, China; Zhejiang Provincial Key Laboratory of Organic Pollution Process and Control, Hangzhou, Zhejiang 310058, China. Electronic address:

Predicting the translocation of organic contaminants to plants is crucial to ensure the quality of agricultural goods and assess the risk of human exposure through the food web. In this study, the performance of a modified plant uptake model was evaluated considering a number of chemicals, such as polycyclic aromatic hydrocarbons (PAHs), organochlorine pesticides (OCPs) and polybrominated diphenyl ethers (PBDEs), with a range of physicochemical properties; different plant species (Ipomoea aquatica Forsk (swamp morning glory), Chrysanthemum coronarium L. (crown daisy), Zea mays L. Read More

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November 2018
2 Reads

Phytotoxicity of individual and binary mixtures of rare earth elements (Y, La, and Ce) in relation to bioavailability.

Environ Pollut 2018 Dec 4;246:114-121. Epub 2018 Dec 4.

School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China.

Rare earth elements (REEs) are typically present as mixtures in the environment, but a quantitative understanding of mixture toxicity and interactions of REEs is still lacking. Here, we examined the toxicity to wheat (Triticum aestivum L.) of Y, La, and Ce when applied individually and in combination. Read More

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December 2018
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Molecular docking, molecular dynamics simulations and QSAR studies on some of 2-arylethenylquinoline derivatives for inhibition of Alzheimer's amyloid-beta aggregation: Insight into mechanism of interactions and parameters for design of new inhibitors.

J Mol Graph Model 2018 Dec 4;87:129-143. Epub 2018 Dec 4.

Chemistry Department, Faculty of Science, Shahid Bahonar University of Kerman, Kerman, Iran. Electronic address:

Alzheimer's disease is characterized using amyloid-beta (Aβ) aggregation. The present work was carried out to extend and design a novel quantitative structure-activity relationship (QSAR) model on inhibition efficiency of some of new 2-arylethenylquinoline derivatives against the Aβ peptide aggregation. The QSAR study, molecular docking and molecular dynamics (MD) simulations were performed to explore the influence of the structural features and investigate the molecular mechanism of ligands interactions with the Aβ peptide. Read More

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December 2018

Interacted mechanism of functional groups in ligand targeted with folate receptor via docking, molecular dynamic and MM/PBSA.

J Mol Graph Model 2018 Dec 5;87:121-128. Epub 2018 Dec 5.

School of Science, TianJin ChengJian University, Tianjin, China.

Twenty novel compounds with different functional groups (-COOH, -OH, -NH2 and -CH3) were designed to study the interaction mechanism of ligands with folate receptors (FRs). The optimized structure and the dipole moment of the novel compounds were calculated by a density functional tight-binding method (DFTB). The binding mechanism of the compounds with FRs was studied by molecular docking, molecular dynamic (MD) simulations and MM/PBSA free energy calculations. Read More

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December 2018

Daily oxytocin patterns in relation to psychopathy and childhood trauma in residential youth.

Psychoneuroendocrinology 2018 Dec 1;102:105-113. Epub 2018 Dec 1.

Behavioural Science Institute, Radboud University, Nijmegen, the Netherlands; Stichting Conrisq Groep, the Netherlands; Stichting Jeugdzorg Sint Joseph, the Netherlands; Maastricht University, the Netherlands.

Inconsistent findings have been found on the relation between oxytocin levels and psychopathy or callous-unemotional (CU) traits in humans, potentially because the role of trauma in oxytocin secretion and the distinction between primary and secondary psychopathy have been overlooked so far. Primary psychopathy has a stronger biological background, whereas secondary psychopathy mainly develops due to environmental adversity, such as childhood trauma. This study investigated the interaction effects of CU traits and childhood trauma on daily salivary oxytocin levels in 57 males living in residential youth care facilities. Read More

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December 2018

3‑Bromo‑5‑(ethoxymethyl)‑1,2‑benzenediol inhibits LPS-induced pro-inflammatory responses by preventing ROS production and downregulating NF-κB in vitro and in a zebrafish model.

Int Immunopharmacol 2018 Dec 8;67:98-105. Epub 2018 Dec 8.

Chuncheon Center, Korea Basic Science Institute (KBSI), Chuncheon 24341, Republic of Korea. Electronic address:

The anti-inflammatory effects of 3‑bromo‑5‑(ethoxymethyl)‑1,2‑benzenediol (BEMB) from Polysiphonia morrowii were evaluated in lipopolysaccharide (LPS)-induced RAW264.7 cells and zebrafish embryo. BEMB showed anti-inflammatory effects by inhibiting the production of nitric oxide (NO) and reactive oxygen species (ROS), and the expression of inducible NO synthase (iNOS) and cyclooxygenase-2 (COX-2) in the LPS-activated RAW264. Read More

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December 2018

The association between Parkinson's disease symptom side-of-onset and performance on the MDS-UPDRS scale part IV: Motor complications.

J Neurol Sci 2018 Dec 4;396:262-265. Epub 2018 Dec 4.

Division of General Medicine and Geriatrics, Department of Medicine, Emory School of Medicine, 1648 Pierce Dr. NE, Atlanta, GA 30307, USA; Atlanta VA Center for Visual and Neurocognitive Rehabilitation, 1670 Clairmont Rd., Decatur, GA 30033, USA; Department of Rehabilitation Medicine, Emory School of Medicine, 1648 Pierce Dr. NE, Atlanta, GA 30307, USA. Electronic address:

Introduction: Parkinson's disease (PD) is a neurodegenerative condition associated with aging characterized by loss of dopamine-producing neurons in the substantia nigra pars compacta and a reduction in dopamine levels in the striatum. PD is commonly treated using dopamine-replacement medication called levodopa. Levodopa has decreasing efficacy over time. Read More

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December 2018

Formation mechanisms of Caprolactam-tetraalkyl ammonium halide deep eutectic and its hydrate.

Spectrochim Acta A Mol Biomol Spectrosc 2018 Dec 5;211:189-194. Epub 2018 Dec 5.

School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, Hebei, 050018, China; Pollution prevention biotechnology laboratory of Hebei Province, 050018, China. Electronic address:

Deep eutectic solvents (DES) are generally composed of two or three cheap and safe components that are associated with each other via hydrogen bonds. The formation Caprolactam (CPL)-tetraalkyl ammonium halide (TAAX) DES and its hydrate were investigated using React IR. TAAX was introduced to CPL in the molten state at 353. Read More

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December 2018

Measurements and correlations in solution-state for charge transfer products caused from the 1:2 complexation of TCNE acceptor with several important drugs.

Spectrochim Acta A Mol Biomol Spectrosc 2018 Dec 5;211:166-177. Epub 2018 Dec 5.

Department of Chemistry, Faculty of Science, Taif University, Al-Haweiah, P.O. Box 888, 21974 Taif, Saudi Arabia; Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Egypt.

In our previous work, we highlighted the thermodynamic and spectroscopic characteristics of the 1:1 charge transfer (CT) complexation of TCNE acceptor with various medically important drugs. Continuing that work, we further examine drugs that react with the TCNE acceptor via a 1:2 interaction. The examined drugs are atenolol, quinidine, cimetidine, reserpine, and levofloxacin. Read More

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December 2018

The synthesis of Ag-coated tetrapod gold nanostars and the improvement of surface-enhanced Raman scattering.

Spectrochim Acta A Mol Biomol Spectrosc 2018 Dec 4;211:154-165. Epub 2018 Dec 4.

The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, China. Electronic address:

In this work, the novel tetrapod gold nanostars with four specific numbers of sharp tips were synthesized with good uniformity, high yield and chemical stability. The size of tetrapod gold nanostars has been increased effectively by increasing the amount of HAuCl or DEA added to the reaction solution, and the corresponding in-plane localized surface plasmon resonance (LSPR) band can shift from 700 to 1100 nm. In order to combine the advantages of different metals, the Ag-coated tetrapod gold nanostars were prepared with different Ag coating thicknesses by increasing the volume of AgNO. Read More

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December 2018

Childhood maltreatment and intimate partner violence victimization: A meta-analysis.

Child Abuse Negl 2018 Dec 8;88:212-224. Epub 2018 Dec 8.

Institute of Psychology, Renmin University of China, No. 59 Zhongguancun Street, Haidian District, Beijing, 100872, China. Electronic address:

Background: Intimate partner violence (IPV) victimization is a serious public health problem in the world. It is imperative to examine risk factors for IPV victimization.

Objective: This meta-analysis aimed to explore the relationship between childhood maltreatment (CM) and IPV victimization and investigate the moderating effects of gender and marital status. Read More

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December 2018

Synthesizing, characterizing, and toxicity evaluating of Phycocyanin-ZnO nanorod composites: A back to nature approaches.

Colloids Surf B Biointerfaces 2018 Dec 4;175:221-230. Epub 2018 Dec 4.

Division of Industrial & Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), P.O. Box 14155-6343, Tehran, Iran. Electronic address:

C-Phycocyanin pigment was purified from a native cyanobacterial strain using a novel consecutive multi-step procedure and utilized for the first time for the green synthesis of phycocyanin-zinc oxide nanorods (PHY-ZnO NRs) by a simple, low-cost and eco-friendly approach. The PHY-ZnO NRs were characterized using UV-vis spectroscopy, X-ray diffraction (XRD), zeta potential measurement, FTIR, SEM, TEM, differential scanning calorimetry (DSC), thermogravimetric (TGA), and EDX spectroscopy analysis. The UV-vis spectra showed an absorption band at 364 nm which is characteristic of ZnO nanoparticles (ZnONPs). Read More

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December 2018

Exogenous alpha lipoic acid can stimulate photosystem II activity and the gene expressions of carbon fixation and chlorophyll metabolism enzymes in maize seedlings under drought.

J Plant Physiol 2018 Nov 29;232:65-73. Epub 2018 Nov 29.

Department of Biology, Faculty of Science, Karadeniz Technical University, 61080, Trabzon, Turkey. Electronic address:

Protective compounds such as non-enzymatic antioxidants, osmolytes and signal molecules have been applied to plants exposed to various environmental stresses to increase their stress tolerance. However, there are not enough records about the response of plants to alpha lipoic acid (ALA) application with antioxidant properties. Therefore, this study was designed to evaluate the function of exogenous ALA on the photosynthetic performance of maize seedlings grown in hydroponic conditions under drought stress. Read More

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November 2018

Drought tolerance in alfalfa (Medicago sativa L.) varieties is associated with enhanced antioxidative protection and declined lipid peroxidation.

J Plant Physiol 2018 Oct 31;232:226-240. Epub 2018 Oct 31.

College of Grassland Science, Key Laboratory of Grassland Ecosystem (Ministry of Education), Pratacultural Engineering Laboratory of Gansu Province, Sino-U.S. Centers for Grazing Land Ecosystem Sustainability, Gansu Agricultural University, Lanzhou, 730070, China.

Drought stress is considered the most adverse factor restricting plant survival, growth, and productivity. The identification of the key adaptive mechanisms to drought stress is essential to enhance the drought resistance of plants. In this study, differential responses of three alfalfa varieties to drought, including Medicago sativa L. Read More

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October 2018
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Apple SUMO E3 ligase MdSIZ1 is involved in the response to phosphate deficiency.

J Plant Physiol 2018 Nov 22;232:216-225. Epub 2018 Nov 22.

MOA Key Laboratory of Horticultural Crop Biology and Germplasm Innovation, Shandong Agricultural University, Tai-An, Shandong, China; College of Horticulture Science and Engineering, Shandong Agricultural University, Tai-An, Shandong, China; State Key Laboratory of Crop Biology, Shandong Agricultural University, Tai-An, Shandong, China. Electronic address:

In plants, SIZ1 regulates abiotic and biotic stress responses by promoting the SUMOylation of proteins. The apple MdSIZ1 protein has conserved domains similar to those of Arabidopsis AtSIZ1. Real-time fluorescent quantitative analysis showed that MdSIZ1 gene expression was induced by phosphate-deficient conditions. Read More

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November 2018

Metabolic and biochemical responses of Potamogeton anguillanus Koidz. (Potamogetonaceae) to low oxygen conditions.

J Plant Physiol 2018 Nov 23;232:171-179. Epub 2018 Nov 23.

Graduate School of Science and Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku, Saitama 338-8570, Japan; Research Institute of Chuo University, Kasuga, Bunkyo, Tokyo 112-8551, Japan. Electronic address:

Oxygen availability in water is considered one of the most important factors for growth and productivity in aquatic submerged macrophytes. In the present study, the growth, stress responses, and metabolic changes in Potamogeton anguillanus Koidz. (Potamogetonaceae) were assessed after a 21-day exposure to low (hypoxia; dissolved oxygen, DO < 1 mg/L) or null (anoxia) oxygen concentrations in water. Read More

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November 2018

Cre-miR914-regulated RPL18 is involved with UV-B adaptation in Chlamydomonas reinhardtii.

J Plant Physiol 2018 Nov 22;232:151-159. Epub 2018 Nov 22.

Key Laboratory of Algal Biology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, 430072, China. Electronic address:

UV radiation is a serious threat to life, and algae have developed highly efficient adaptations to UV radiation through the course of evolution. To date, studies investigating the mechanisms of UV adaptation in algae have focused on physiological regulation and associated protein coding genes, with only a few reports on associated protein non-coding genes. In a previous study, we found that Cre-miR914 was significantly down-regulated in Chlamydomonas reinhardtii in response to heat shock. Read More

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November 2018

Comparison of changes in water status and photosynthetic parameters in wild type and abscisic acid-deficient sitiens mutant of tomato (Solanum lycopersicum cv. Rheinlands Ruhm) exposed to sublethal and lethal salt stress.

J Plant Physiol 2018 Dec 8;232:130-140. Epub 2018 Dec 8.

Department of Plant Biology, University of Szeged, Közép fasor 52, H-6726, Szeged, Hungary.

Abscisic acid (ABA) regulates many salt stress-related processes of plants such as water balance, osmotic stress tolerance and photosynthesis. In this study we investigated the responses of wild type (WT) and the ABA-deficient sitiens mutant of tomato (Solanum lycopersicum cv. Rheinlands Ruhm) to sublethal and lethal salt stress elicited by 100 mM and 250 mM NaCl, respectively. Read More

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December 2018

Immunotoxic effects of 4-nonylphenol on Clarias gariepinus: Cytopathological changes in hepatic melanomacrophages.

Aquat Toxicol 2018 Dec 3;207:83-90. Epub 2018 Dec 3.

Medical Physiology Department, Faculty of Medicine, Assiut University, Assiut, Egypt.

Melanomacrophage centres (MMCs) play a key role in the immune response in fish. They are considered sensitive bio-monitoring structures with roles in the assessment of toxicant impacts. The aim of this study was to examine the potential histopathological effect of 4-nonylphenol (4-NP) on hepatic MMCs in Clarias gariepinus. Read More

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December 2018

Adsorption and mechanistic study for phosphate removal by magnetic FeO-doped spent FCC catalysts adsorbent.

Chemosphere 2018 Nov 21;219:183-190. Epub 2018 Nov 21.

State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, East China University of Science and Technology, Shanghai, 200237, China.

The waste materials utilization has attained increasing attention due to the generation of a large number of spent materials. In the current study, a practical magnetic adsorbent (FeO-doped spent Fluid Catalytic Cracking catalysts, abbreviated as FCC@(Fe)-O) was prepared, liable to be separated. The batch experiments were employed to investigate the phosphate removal behavior. Read More

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November 2018

Cardiovascular toxicity and anxiety-like behavior induced by deltamethrin in zebrafish (Danio rerio) larvae.

Chemosphere 2018 Dec 5;219:155-164. Epub 2018 Dec 5.

State Key Laboratory of Medicinal Chemical Biology, The Key Laboratory of Bioactive Materials, Ministry of Education, College of Life Science, Nankai University, Tianjin, 300071, China. Electronic address:

Deltamethrin is widely used because of its low toxicity and high efficiency. Although its potential toxicity has been reported, its effects on cardiovascular system and motor behavior and its underlying mechanisms have remained unclear. In this study, the effects of deltamethrin on the development, cardiovascular system and motor behavior of zebrafish larvae and their possible mechanisms were evaluated using the transgenic zebrafish Tg (kdrl:mCherry) and Tg(myl7:GFP). Read More

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December 2018

Green synthesis of reduced graphene oxide using bagasse and its application in dye removal: A waste-to-resource supply chain.

Chemosphere 2018 Dec 3;219:148-154. Epub 2018 Dec 3.

School of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, Fujian Province, China. Electronic address:

Graphene is usually synthesized through deoxygenation of graphene oxide (GO) by hydrazine which functions as a reducing agent, but the production of graphene via this method suffers a high cost and is often regarded to be not environmental-friendly. In this work, we developed a simple and efficient method for the green reduction of GO to reduced graphene oxide (rGO) dispersed on sugarcane bagasse derived from rGO/bagasse material. The rGO/bagasse was characterized by Scanning electron microscopy, Fourier transform infrared spectroscopy, Raman spectroscopy, Thermogravimetric analysis, X-ray photoelectron spectroscopy and X-ray diffraction analysis. Read More

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December 2018

Linking organochlorine contaminants with demographic parameters in free-ranging common bottlenose dolphins from the northern Adriatic Sea.

Sci Total Environ 2018 Dec 4;657:200-212. Epub 2018 Dec 4.

Morigenos - Slovenian Marine Mammal Society, Kidričevo nabrežje 4, 6330 Piran, Slovenia.

Marine top predators, including marine mammals, are known to bio-accumulate persistent pollutants such as polychlorinated biphenyls (PCBs), a serious conservation concern for these species. Although PCBs declined in European seas since the 1970s-1980s ban, considerable levels still persist in European and Mediterranean waters. In cetaceans, stranded animals are a valuable source of samples for pollutant studies, but may introduce both known and unknown biases. Read More

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December 2018

Impact of upstream oil extraction and environmental public health: A review of the evidence.

Sci Total Environ 2018 Dec 4;657:187-199. Epub 2018 Dec 4.

Department of Preventive Medicine, Keck School of Medicine of University of Southern California, Los Angeles, CA, United States of America.

Upstream oil extraction, which includes exploration and operation to bring crude oil to the surface, frequently occurs near human populations. There are approximately 40,000 oil fields globally and 6 million people that live or work nearby. Oil extraction can impact local soil, water, and air, which in turn can influence community health. Read More

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December 2018
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Elevated ozone reduced leaf nitrogen allocation to photosynthesis in poplar.

Sci Total Environ 2018 Dec 3;657:169-178. Epub 2018 Dec 3.

State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing 100085, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China; Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, School of Environmental Science and Technology, Nanjing University of Information Science & Technology, Nanjing 210044, China. Electronic address:

We investigated the effects of elevated ozone (O) concentration on leaf nitrogen (N), a key determinant of plant photosynthesis, with two clones of poplar grown in open-top chambers. We focus on the difference between mass-based leaf N concentration (N) and area-based one (N) in their responses to elevated O, and the allocation of N to different leaf components: photosynthetic apparatus, cell walls, and others under elevated O level. Our results showed that elevated O significantly increased N, but reduced N and leaf mass per area (LMA). Read More

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December 2018

Understanding nitrate contamination based on the relationship between changes in groundwater levels and changes in water quality with precipitation fluctuations.

Sci Total Environ 2018 Dec 5;657:146-153. Epub 2018 Dec 5.

Center for Water Cycle, Marine Environment and Disaster Management, Kumamoto University, Japan.

There are growing concerns about nitrate contamination in Kumamoto City, where >700,000 people completely depend on groundwater as a source of drinking water. We found that some groundwater samples showed considerably different nitrate concentrations although their sampling locations were close to one another, and we speculated that this phenomenon was due to the differences in subsurface geological properties. In order to verify this hypothesis, we carried out temporally intensive long-term monitoring of the groundwater levels and water qualities at three of the closely related sampling wells, and the results revealed that the changes in water level and water quality were different at each well. Read More

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December 2018

Effectiveness assessment of risk reduction measures at coastal areas using a decision support system: Findings from Emma storm.

Sci Total Environ 2018 Dec 1;657:124-135. Epub 2018 Dec 1.

CIMA/FCT, University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal. Electronic address:

Storms impact coastal areas often causing damages and losses at occupied areas. On a scenario of increasing human occupation at coastal zones and under climate change conditions (including sea level rise and increasing frequency of extreme sea levels), the consequences of storms are expected to be amplified if no adaptation or further management actions are implemented. The selection of the best possible coastal management measures, considering both costs and effectiveness, will be mandatory in the future, in order to optimise resources. Read More

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December 2018

Micro(nano)plastics: An un-ignorable carbon source?

Sci Total Environ 2018 Dec 5;657:108-110. Epub 2018 Dec 5.

College of Environmental Science and Engineering, Hunan University, Changsha 410082, PR China; Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Changsha 410082, PR China.

Micro(nano)plastics, new emerging contaminants, are widely found in the environment due to continuous release. Massive and widespread presence of micro(nano)plastics may have a significant impact on the calculation of total organic carbon, and potentially result in misunderstanding of the overall environmental pollution level. Previous studies typically paid attention to the environmental distribution, source, analysis methods and technologies, as well as the environmental and ecological effects of micro(nano)plastics. Read More

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December 2018

Cadmium induces apoptotic program imbalance and cell cycle inhibitor expression in cultured human astrocytes.

Environ Toxicol Pharmacol 2018 Dec 3;65:53-59. Epub 2018 Dec 3.

Department of Pharmacology, Faculty of Science, Mahidol University, Bangkok, Thailand; Translational Medicine Graduate Program, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand. Electronic address:

Cadmium is a highly neurotoxic heavy metal impairing neurogenesis and induces neurodegenerative disorders. Toxic concentrations of cadmium induce astrocytic apoptosis by depleting intracellular glutathione levels, elevating intracellular calcium levels, altering mitochondria membrane potentials, and activating JNK and PI3K/Akt signaling pathways. Cadmium suppresses cell proliferation in kidney epithelial cells, lung fibroblasts, and primary myelocytes; however, cadmium's effects on proteins regulating oxidative stress, apoptosis, and cell proliferation in astrocytes are less known. Read More

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December 2018
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