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1. Impact of effective microorganisms on weed infestation and yield of peppermint cultivated on muck-peat soil

Author:
Borowy, Andrzej; Kapłan, Magdalena; Krawiec, Marcela
Source:
Acta agrobotanica 2018 v.71 no.4 pp. aa.1755
ISSN:
2300-357X
Subject:
Conyza canadensis; Galinsoga quadriradiata; Mentha piperita nothosubsp. piperita; Poa annua; Poa pratensis; Rorippa sylvestris; Senecio vulgaris; Stellaria media; Urtica urens; acetates; beneficial microorganisms; branching; crop yield; essential oils; germacrene; grasses; internodes; lipid content; meadows; menthol; menthone; oils; organic matter; pH; peat soils; planting; rootstocks; viridiflorol; weeds
Abstract:
... Peppermint (Mentha ×piperita L.) rootstock cuttings with 9–11 internodes were planted on April 10, 2014 in rows 50 cm apart and with 25-cm distance in the row, on well fertilized muck-peat soil containing 82.1% of organic matter with a pH of 5.9. Peppermint plants were sprayed once with an activated EM-1 preparation, then on two or three further occasions as follows: at 10 cm height (May 10), at b ...
DOI:
10.5586/aa.1755

2. Induced Proton Perturbation for Sensitive and Selective Detection of Tight Junction Breakdown

Author:
Hatano, Hiroaki; Goda, Tatsuro; Matsumoto, Akira; Miyahara, Yuji
Source:
Analytical chemistry 2018 v.91 no.5 pp. 3525-3532
ISSN:
1520-6882
Subject:
Clostridium perfringens; bioengineering; dogs; electrical resistance; enterotoxins; epithelial cells; ethylene glycol tetraacetic acid; in vitro studies; kidneys; nutrient uptake; pH; permeability; tight junctions; transistors
Abstract:
... Tight junctions (TJs) in the epithelial cell gap play primary roles in body defense and nutrient absorption in multicellular organisms. Standard in vitro assays lack sensitivity, selectivity, temporal resolution, and throughput for bioengineering applications. Prompted by the rigorous barrier functions of TJ, we developed a TJ assay that senses proton leaks in the cell gap using ion-sensitive fiel ...
DOI:
10.1021/acs.analchem.8b05237

3. Injectable, Self-Healing, and Multi-Responsive Hydrogels via Dynamic Covalent Bond Formation between Benzoxaborole and Hydroxyl Groups

Author:
Chen, Yangjun; Tan, Zhengzhong; Wang, Wenda; Peng, Yi-Yang; Narain, Ravin
Source:
Biomacromolecules 2018 v.20 no.2 pp. 1028-1035
ISSN:
1526-4602
Subject:
chemical bonding; composite polymers; esters; galactose; hydrogels; hydrophilicity; mechanical properties; mixing; moieties; pH; polymerization; temperature
Abstract:
... Hydrogels that are injectable, self-healing, and multiresponsive are becoming increasingly relevant for a wide range of applications. In this work, we have successfully developed a novel approach in the fabrication of smart hydrogels with all the above properties. A symmetrical ABA triblock copolymer was first synthesized via atom transfer radical polymerization with a temperature responsive middl ...
DOI:
10.1021/acs.biomac.8b01652

4. Isolation and Characterization of a Phage to Control Vancomycin Resistant Enterococcus faecium

Author:
Raza, Taskeen; Andleeb, Saadia; Ullah, Sidra Rahmat; Jamal, Muhsin; Mehmood, Khalid; Ali, Muhammad
Source:
Open life sciences 2018 v.13 no.1 pp. 553-560
ISSN:
2391-5412
Subject:
Enterococcus faecium; adsorption; bacterial growth; bacteriophages; calcium; cross infection; hospitals; humans; intestines; ions; latent period; magnesium; milk; multiple drug resistance; municipal wastewater; pH; pathogens; phage therapy; sewage; temperature; vancomycin; virion; Pakistan
Abstract:
... Enterococcus faecium, is an important nosocomial pathogen with increased incidence of multidrug resistance (MDR) – specifically Vancomycin resistance. E. faecium constitutes the normal microbiota of the human intestine as well as exists in the hospitals and sewage, thus making the microorganism difficult to eliminate. Phage therapy has gained attention for controlling bacterial MDR infections and ...
DOI:
10.1515/biol-2018-0066

5. Organic Field-Effect Transistor-Based Ultrafast, Flexible, Physiological-Temperature Sensors with Hexagonal Barium Titanate Nanocrystals in Amorphous Matrix as Sensing Material

Author:
Mandal, Suman; Banerjee, Madhuchanda; Roy, Satyajit; Mandal, Ajoy; Ghosh, Arnab; Satpati, Biswarup; Goswami, Dipak K.
Source:
ACS applied materials & interfaces 2018 v.11 no.4 pp. 4193-4202
ISSN:
1944-8252
Subject:
barium titanate; body temperature; electric potential difference; health services; nanocrystals; pH; polyethylene terephthalates; transistors
Abstract:
... Organic field-effect transistors (OFETs) with hexagonal barium titanate nanocrystals (h-BTNCs) in amorphous matrix as one of the bilayer dielectric systems have been fabricated on a highly flexible 10 μm thick poly(ethylene terephthalate) substrate. The device current and mobility remain constant up to a bending radius of 4 mm, which makes the substrate suitable for wearable e-skin applications. h ...
DOI:
10.1021/acsami.8b19051

6. The metabolic and genetic diversity of soil bacterial communities depends on the soil management system and C/N dynamics: The case of sustainable and conventional olive groves

Author:
Sofo, Adriano; Ricciuti, Patrizia; Fausto, Catia; Mininni, Alba N.; Crecchio, Carmine; Scagliola, Marina; Malerba, Anna Daniela; Xiloyannis, Cristos; Dichio, Bartolomeo
Source:
Applied soil ecology 2018
ISSN:
0929-1393
Subject:
Olea europaea; biochemical pathways; crop yield; functional diversity; genetic variation; groves; management systems; metagenomics; nutrient transport; olives; orchards; pH; soil bacteria; soil management; soil organic carbon; soil profiles; soil sampling; topsoil
Abstract:
... Under Mediterranean type climates, a sustainable soil management aimed at increasing soil organic carbon and microbiological diversity is of key importance. The aim of this study was to characterize and compare soils from a mature Mediterranean olive (Olea europaea L.) orchard subjected to two different soil management systems (sustainable, Smng, and conventional, Cmng) for 18 years. Composite soi ...
DOI:
10.1016/j.apsoil.2018.12.022

7. Use of Acorn Leaves as a Natural Coagulant in a Drinking Water Treatment Plant

Author:
Benalia, Abderrezzaq; Derbal, Kerroum; Panico, Antonio; Pirozzi, Francesco
Source:
Water 2018 v.11 no.1
ISSN:
2073-4441
Subject:
acorns; alkalinity; coagulants; drinking water treatment; electrical conductivity; hydrochloric acid; pH; sodium hydroxide; solvents; tap water; turbidity; water hardness; Algeria
Abstract:
... In this study, the use of acorn leaves as a natural coagulant to reduce raw water turbidity and globally improve drinking water quality was investigated. The raw water was collected from a drinking water treatment plant located in Mila (Algeria) with an initial turbidity of 13.0 ± 0.1 NTU. To obtain acorn leaf powder as a coagulant, the acorn leaves were previously cleaned, washed with tap ...
DOI:
10.3390/w11010057

8. Construction and application of amperometric sarcosine biosensor based on SOxNPs/AuE for determination of prostate cancer

Author:
Kumar, Parveen; Narwal, Vinay; Jaiwal, Ranjana; Pundir, C.S.
Source:
Biosensors & bioelectronics 2018 v.122 pp. 140-146
ISSN:
0956-5663
Subject:
Fourier transform infrared spectroscopy; biosensors; blood serum; dielectric spectroscopy; electrodes; gold; nanogold; nanoparticles; pH; patients; prostatic neoplasms; sarcosines; scanning electron microscopy; silver; silver chloride; storage quality
Abstract:
... An improved amperometric sarcosine biosensor was constructed based on covalent immobilization of sarcosine oxidase nanoparticles (SOxNPs) onto gold electrode (AuE). The SOxNPs/AuE was characterized by scanning electron microscopy (SEM), fourier transform infrared (FTIR) spectroscopy and electrochemical impedance spectroscopy (EIS) at different stages of its construction. The biosensor worked optim ...
DOI:
10.1016/j.bios.2018.09.003

9. Melanin-based electronics: From proton conductors to photovoltaics and beyond

Author:
Vahidzadeh, Ehsan; Kalra, Aarat P.; Shankar, Karthik
Source:
Biosensors & bioelectronics 2018 v.122 pp. 127-139
ISSN:
0956-5663
Subject:
biosensors; electronics; humidity; melanin; nanotechnology; pH; polymers; semiconductors; solar energy
Abstract:
... The successful interfacing of electronics with biology is the next frontier for microelectronics and nanotechnology. Melanin, a naturally occurring conjugated polymer composed of different structural subunits, may be an ideal candidate for such interfacing. In the solid-state, the large broadband molar attenuation coefficient of melanin over the visible spectrum implicates potential applications a ...
DOI:
10.1016/j.bios.2018.09.026

10. Treatment of Organics Contaminated Wastewater by Ozone Micro-Nano-Bubbles

Author:
Xia, Zhiran; Hu, Liming
Source:
Water 2018 v.11 no.1
ISSN:
2073-4441
Subject:
groundwater; industrial wastewater; ozone; pH; salinity; wastewater treatment; water pollution
Abstract:
... The efficiency of ozone for the treatment of organics contaminated wastewater is limited by its slow dissolution rate and rapid decomposition in the aqueous phase. Micro-nano-bubbles (MNBs) are a novel method to prolong the reactivity of the ozone in the aqueous phase, thereby accelerating the treatment of the contaminant. In this study, the effects of pH and salinity on the treatment efficiency o ...
DOI:
10.3390/w11010055

11. Rational Design of Cu@Cu₂O Nanospheres Anchored B, N Co-doped Mesoporous Carbon: A Sustainable Electrocatalyst To Assay Eminent Neurotransmitters Acetylcholine and Dopamine

Author:
Balasubramanian, Paramasivam; Balamurugan, T. S. T.; Chen, Shen-Ming; Chen, Tse-Wei; Sathesh, Tamilarasan
Source:
ACS sustainable chemistry & engineering 2018 v.7 no.6 pp. 5669-5680
ISSN:
2168-0485
Subject:
acetylcholine; blood serum; carbon; carbonization; catalysts; cobalt; cost effectiveness; dopamine; electrochemistry; humans; nanoparticles; nanospheres; neurotransmitters; pH; polymerization; porosity; porous media; sodium hydroxide; surface area; transmission electron microscopy
Abstract:
... Exploring rapid, highly sensitive, cost-effective assay platforms to diagnose neurotransmitters is crucial in clinical biology. We propose a Cu@Cu₂O nanospheres embedded B and N co-doped mesoporous carbon (BNDC) nanoelectrocatalyst to assay dopamine (DA) and acetylcholine (ACh). The Cu@Cu₂O-BNDC catalyst has been prepared through a single step polymerization, followed by a carbonization. TEM resul ...
DOI:
10.1021/acssuschemeng.8b04473

12. Antagonism or synergism? Combined effects of enhanced UV-B radiation and acid rain on photosynthesis in seedlings of two C4 plants

Author:
Liu, Jinchun; Zhao, Yajie; Song, Haiyan; Chen, Jinyi; Long, Yun
Source:
Acta ecologica Sinica 2018
ISSN:
1872-2032
Subject:
Amaranthus tricolor; C4 photosynthesis; C4 plants; Zea mays; abiotic stress; acid deposition; antagonism; chlorophyll; enzyme activity; enzymes; irradiation; pH; plant ecology; seedlings; synergism; ultraviolet radiation; waxy corn
Abstract:
... Enhanced ultraviolet-B (UV-B) radiation and acid precipitation (AP), abiotic stress factors that may have a strong impact on plants because of their detrimental effects on photosynthetic components. Therefore, understanding the mechanisms of UV-B radiation and acid rain on plant photosynthesis is a crucial question in plant ecology. However, research regarding their combined effects on photosynthe ...
DOI:
10.1016/j.chnaes.2018.12.009

13. Biogenic Cyanide Production Promotes Dissolution of Gold Nanoparticles in Soil

Author:
McGivney, Eric; Gao, Xiaoyu; Liu, Yijing; Lowry, Gregory V.; Casman, Elizabeth; Gregory, Kelvin B.; VanBriesen, Jeanne M.; Avellan, Astrid
Source:
Environmental science & technology 2018 v.53 no.3 pp. 1287-1295
ISSN:
1520-5851
Subject:
Chromobacterium violaceum; cyanides; environmental factors; gold; liquids; mass spectrometry; mutants; nanogold; nanoparticles; pH; soil; soil bacteria; soil inoculation
Abstract:
... Gold nanoparticles (Au NPs) are often used to study the physiochemical behavior and distribution of nanomaterials in natural systems because they are assumed to be inert under environmental conditions, even though Au can be oxidized and dissolved by a common environmental compound: cyanide. We used the cyanogenic soil bacterium, Chromobacterium violaceum, to demonstrate that quorum-sensing-regulat ...
DOI:
10.1021/acs.est.8b05884

14. Chicken Feather Derived Novel Support Material for Immobilization of Laccase and Its Application in Oxidation of Veratryl Alcohol

Author:
Suman, Sunil Kumar; Patnam, Padma Lata; Ghosh, Sanjoy; Jain, Suman Lata
Source:
ACS sustainable chemistry & engineering 2018 v.7 no.3 pp. 3464-3474
ISSN:
2168-0485
Subject:
Gibbs free energy; Trametes; activation energy; alcohols; biocatalysts; biotransformation; chickens; derivatization; enthalpy; half life; heat inactivation; immobilized enzymes; laccase; lignin; models; oxidation; pH; poultry manure; temperature; thermal properties
Abstract:
... Application of a biocatalyst at an industrial scale primarily depends on its intrinsic properties, the nature of the support materials, and the scalability of the catalyst. Support materials play an important role in the biocatalytic performance with their mechanical and thermal properties, accessibility, nontoxicity, and ease of derivatization for immobilizion of enzyme. Chicken feather, a readil ...
DOI:
10.1021/acssuschemeng.8b05679

15. Effect of fructo-oligosaccharide supplementation in soya beverage on the intestinal absorption of calcium and iron in newly weaned rats

Author:
de Lima Correia Silva, Maisa; da Graça Leite Speridião, Patrícia; Oyama, Lila Missae; de Morais, Mauro Batista
Source:
The British journal of nutrition 2018 v.120 no.12 pp. 1338-1348
ISSN:
1475-2662
Subject:
beverages; calcium; cecum; divalent metals; duodenum; fructooligosaccharides; intestinal absorption; iron; laboratory animals; lactose free diet; males; milk; pH; prebiotics; protein synthesis; rats; tissue weight
Abstract:
... Studies have shown the positive effects of prebiotics on the intestinal absorption of Ca and Fe. The present study evaluated the effect of fructo-oligosaccharide (FOS) supplementation in soya beverage (SB) on absorption mechanisms of Ca and Fe in recently weaned rats. Male Wistar rats were divided into four groups: lactose-free cows’ milk (CM), lactose-free CM with FOS (0·8 g/100 ml) (CMF), SB and ...
DOI:
10.1017/S0007114518002714

16. In Silico Design of New Inhibitors Against Hemagglutinin of Influenza

Author:
Perrier, Aurélie; Eluard, Matthias; Petitjean, Michel; Vanet, Anne
Source:
TheJournal of physical chemistry 2018 v.123 no.3 pp. 582-592
ISSN:
1520-5207
Subject:
RNA viruses; disease outbreaks; endocytosis; hemagglutinins; influenza; ligands; mechanism of action; membrane fusion; molecular dynamics; pH; peptides; protonation; public health; therapeutics; viruses
Abstract:
... The RNA virus influenza A is a serious public health problem, with epidemics resulting in more than 250 000 deaths every year. A protein cavity was identified on the HA2 subunit of the hemagglutinin responsible for the entry of the virus into the host cell by endocytosis. The binding of a ligand in this zone rich in invariant residues and synthetic lethal couples could prevent therapeutic escape a ...
DOI:
10.1021/acs.jpcb.8b10767

17. Photothermal-Induced Self-Healable and Reconfigurable Shape Memory Bio-Based Elastomer with Recyclable Ability

Author:
Feng, Zhanbin; Hu, Jing; Zuo, Hongli; Ning, Nanying; Zhang, Liqun; Yu, Bing; Tian, Ming
Source:
ACS applied materials & interfaces 2018 v.11 no.1 pp. 1469-1479
ISSN:
1944-8252
Subject:
acids; actuators; air; aniline; catalysts; chemical bonding; crosslinking; epoxides; esterification; irradiation; mechanical properties; near infrared radiation; pH; polymers; pressing; rubber; temperature; transesterification; weather
Abstract:
... Photothermal-induced self-healable and shape memory materials have drawn much attention due to the rapidly growing technical applications and environmental requirements. As epoxy natural rubber (ENR) is a kind of bio-based elastomer with good mechanical properties, weather resistance, and air impermeability, it is of great significance to incorporate ENR with recyclable, photothermal-induced self- ...
DOI:
10.1021/acsami.8b18002

18. Unprecedented Enzymatic Synthesis of Perfectly Structured Alternating Copolymers via “Green” Reaction Cocatalyzed by Laccase and Lipase Compartmentalized within Supramolecular Complexes

Author:
Scheibel, Dieter M.; Gitsov, Ivan
Source:
Biomacromolecules 2018 v.20 no.2 pp. 927-936
ISSN:
1526-4602
Subject:
Burkholderia cepacia; Candida rugosa; Penicillium; catalytic activity; catechol; composite polymers; copolymerization; enzymatic reactions; fluorescence; image analysis; laccase; micelles; molecular weight; oxidation; pH; quinones; triacylglycerol lipase
Abstract:
... This study describes the first use of laccase–lipase enzymatic reaction for the synthesis of novel perfectly structured alternating copolymers. Initially, six types of complexing agents, linear₍A₎–linear₍B₎, linear₍A₎–linear₍B₎–linear₍A₎, linear–dendritic, dendritic–linear–dendritic, linear–hyperbranched, and hyperbranched–linear–hyperbranched amphiphilic block copolymers, are proven to significan ...
DOI:
10.1021/acs.biomac.8b01567

19. Defect-Induced Method for Preparing Hierarchical Porous Zr–MOF Materials for Ultrafast and Large-Scale Extraction of Uranium from Modified Artificial Seawater

Author:
Yin, Chunyue; Liu, Qi; Chen, Rongrong; Liu, Jingyuan; Yu, Jing; Song, Dalei; Wang, Jun
Source:
Industrial & engineering chemistry process design and development 2018 v.58 no.3 pp. 1159-1166
ISSN:
1520-5045
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; active sites; adsorbents; adsorption; chemical bonding; coordination polymers; equations; models; pH; process design; seawater; sorption isotherms; surface area; uranium
Abstract:
... Metal–organic framework materials (MOFs) have attracted the attention of researchers as a new type of adsorbent material with large specific surface area and high adsorption capacity. In order to obtain a larger surface area and more adsorption active sites for MOF, we synthesized a hierarchical porous UIO-66 (HP-UIO-66) MOF material by the defect induction method. X-ray diffraction (XRD) and Four ...
DOI:
10.1021/acs.iecr.8b04034

20. Enhanced Photoreduction of Chromium(VI) Intercalated Ion Exchange in BiOBr₀.₇₅I₀.₂₅ Layers Structure by Bulk Charge Transfer

Author:
Li, Tong; Zhang, Gong; Lan, Huachun; Liu, Huijuan; Qu, Jiuhui
Source:
ACS sustainable chemistry & engineering 2018 v.7 no.2 pp. 2429-2436
ISSN:
2168-0485
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; chromates; chromium; electron paramagnetic resonance spectroscopy; electron transfer; ion exchange; irradiation; pH; photocatalysis; vanadium
Abstract:
... Because of its low separating and utilizing efficiency of photogenerated charges in the bulk, the application of photocatalytic technique has been restricted for decades. In this paper, based on interlayer ion-exchange between BiOBr₀.₇₅I₀.₂₅ layers, we demonstrated a specific interfacial process of photocatalytic Cr(VI) reduction by a direct bulk-charge transfer. The results showed that Cr(VI) was ...
DOI:
10.1021/acssuschemeng.8b05297