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Microplastic identification and quantification from ...

The overall process of microplastic extraction, identification and quantification from sediments can be divided in three stages: 1) pre-processing, 2) separation of microplastics from sediments and 3) the identification and quantification of concentrated microplastics ().A large effort has been directed towards methodological improvements within each of these stages such as comparing different ...

Author: P. Vermeiren, P. Vermeiren, C. Muñoz, C. Muñoz, K. Ikejima

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Comparison of Various Chromatographic Systems for …

The stock standard solution of cytisine was prepared in methanol at a concentration of 0.2 mg/mL by dissolving 10 mg of the drug in 50 mL of methanol, and stored at −20 °C, protected from light. The working standard solutions of cytisine were prepared by diluting of the above mentioned stock solution in methanol before analysis.

Cited by: 1

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Occurrence and AhR activity of brominated parabens in the ...

Water (0.5 L) was spiked with acetonitrile solution containing 1 μg of propylparaben-d 4 as a surrogate standard. The samples were then adjusted to pH 4 with acetic acid and passed through a vacuum manifold to a conditioned C18 cartridge (InertSep SlimJ C18/1000 mg, GL Science Inc., Tokyo, Japan).

Author: Yoshikazu Gouukon, Michiko T. Yasuda, Hiro Yasukawa, Masanori Terasaki

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Physicochemical, radical scavenging activity and sensory ...

Apr 03, 2020 · Arbutus unedo L. fruit is known for its high phenolic content, dietary fibers, and antioxidant capacity. This study evaluated the effect of adding A. …

Evaluation of 2,6-diacetylpyridinebis-4-phenyl-3 ...

An evaluation of analytical reagent, 2,6-diacetylpyridine-bis-4-phenyl-3-thiosemicarbazone (2,6-DAPBPTSC) for traces of Zn(II) in foods and environmental samples by the development of a simple, sensitive and selective extractive spectrophotometric method was undertaken.

Author: S. Adi Narayana Reddy, K. Janardhan Reddy, Lee Kap Duk, A. Varada Reddy

Urinary 1-Hydroxypyrene as a Biomarker of PAH Exposure in ...

Urinary 1-hydroxypyrene (1-OHP) is a biomarker of polycyclic aromatic hydrocarbon (PAH) exposure. We measured urinary 1-OHP in 48 children 3 years of age in Mariupol, Ukraine, who lived near a steel mill and coking facility and compared these with 1-OHP concentrations measured in 42 children of the same age living in the capital city of Kiev, Ukraine.

Cited by: 96

Fluorine in the environment in an endemic fluorosis area ...

Soils in large areas of China are enriched in fluorine (F). The present study analyzed F concentrations in cultivated soil, water, chemical fertilizer, and human hair, and metal concentrations in soils from an endemic fluorosis area in Southwest, China.

Author: Jin-yan Yang, Jin-yan Yang, Mei Wang, Mei Wang, Juan Lu, Kai Yang, Kun-peng Wang, Meng Liu, Hou-qiao...

Free Access to Scientific Journals - Open Access Journals

Open Access journals are the major source of knowledge for young and aspiring generations who are keen in pursuing a career in sciences. This system provides easy access to networks of scientific journals.Authors that contribute their scholarly works to Open Access journals gain remarkable reputation as the research scholarly explore these works extensively.

Enhancement of collagen deposition in swim bladder of Chu ...

Besides, swim bladder is an ideal alternative collagen source for its lack of potential bovine spongiform encephalopathy (BSE), foot-and-mouth disease (FMD) threaten and religion restrictions, compared with those from skin and bone of livestock and poultry (Ahmed et al., 2018; Kumar et al., 2017).

Author: Fan Lin, Hua Rong, Hua Rong, Jiali Lin, Yuying Yuan, Jun Yu, Chuanqi Yu, Cuihong You, Shuqi Wang, Zh...

Green Tea Quality Evaluation Based on Its Catechins and ...

Jul 11, 2018 · Green tea infusions are one of the most popular beverages consumed across the world, especially is Asian countries. Green tea quality is primarily based on catechin content, however, the concentration of elements could also significantly influence …

Cited by: 12

Anticancer and Antioxidant Activity of Bread Enriched with ...

Jun 24, 2014 · Bread enriched with broccoli sprouts is a valuable source of potentially bioaccessible and bioavailable low-molecular antioxidants and enzyme effectors. In this work, we showed that a partial replacement of wheat flour in bread with up to 2% ground BS …

Cited by: 20

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Green Tea Quality Evaluation Based on Its Catechins and ...

Jul 11, 2018 · Green tea infusions are one of the most popular beverages consumed across the world, especially is Asian countries. Green tea quality is primarily based on catechin content, however, the concentration of elements could also significantly influence …

Evaluation of 2,6-diacetylpyridinebis-4-phenyl-3 ...

An evaluation of analytical reagent, 2,6-diacetylpyridine-bis-4-phenyl-3-thiosemicarbazone (2,6-DAPBPTSC) for traces of Zn(II) in foods and environmental samples by the development of a simple, sensitive and selective extractive spectrophotometric method was undertaken.

Crowd-Sourced Verification of Computational Methods and ...

Systems toxicology intends to quantify the effect of toxic molecules in biological systems and unravel their mechanisms of toxicity. The development of advanced computational methods is required for analyzing and integrating high throughput data generated for this purpose as well as for extrapolating predictive toxicological outcomes and risk estimates. To ensure the performance and ...

Tayoshi Iizuka's research works | ASAHI BREWERIES, Tokyo ...

Tayoshi Iizuka's 7 research works with 94 citations and 301 reads, including: Development of an analytical method for copper chlorophyll and sodium copper chlorophyllin in processed foods

Enhancement of collagen deposition in swim bladder of Chu ...

Besides, swim bladder is an ideal alternative collagen source for its lack of potential bovine spongiform encephalopathy (BSE), foot-and-mouth disease (FMD) threaten and religion restrictions, compared with those from skin and bone of livestock and poultry (Ahmed et al., 2018; Kumar et al., 2017).

A taxonomic review and revisions of Microstomidae ...

Apr 24, 2019 · Introduction. Macrostomorpha Doe, 1986 is a group of free-living Platyhelminthes found worldwide in aquatic and semi-aquatic habitats [].They are very small in size, typically only 1–2 mm, but are nevertheless important and often abundant members of their communities, feeding on diatoms and other microorganisms or even other small invertebrates [2–4].

Comparative study of toxicological assessment of yttrium ...

The animals had access to unlimited standard laboratory pellets for food and tap water for drinking. They were maintained under standard conditions of automated light cycles (12 h light/12 h dark), humidity (55–65%) and temperature (22 ± 3 °C). Experiments were planned, and animals were cared for according to standard guidelines.

Lymnaea schirazensis, an Overlooked Snail Distorting ...

Methodology/Principal Findings. A ten-year study in Iran, Egypt, Spain, the Dominican Republic, Mexico, Venezuela, Ecuador and Peru, demonstrated that such heterogeneity is not due to susceptibility differences, but to a hitherto overlooked cryptic species, Lymnaea schirazensis, confused with the main vector Galba truncatula and/or other Galba/Fossaria vectors.

Fluorine in the environment in an endemic fluorosis area ...

Soils in large areas of China are enriched in fluorine (F). The present study analyzed F concentrations in cultivated soil, water, chemical fertilizer, and human hair, and metal concentrations in soils from an endemic fluorosis area in Southwest, China.

Preparation and photocatalytic performance of ZrO2 ...

Fig. 1 shows the current density–time relationship (I–t curve) recorded during the anodizing process in electrolyte containing 1 M (NH 4) 2 SO 4 and 0.25 wt% NH 4 F. The data can be divided into three stages according to the changing slope of the curve. During the first stage of oxidation, current density decreased sharply from 37 mA to 12 mA, in approximately 10 min.

Randomized Clinical Trial investigating Self-Assembling ...

The present study was designed as a randomized, gold-standard controlled, single blinded clinical trial comparing the combined treatment of a single application of SAP P 11-4 and fluoride varnish ...

Determination of arsenic and antimony in milk by hydride ...

Jul 04, 2003 · The variation of the atomic fluorescence of As and Sb with HCl concentration was studied in the range between 1 and 5 mol l −1 using a constant NaBH 4 concentration of 0.7% (w/v). NaBH 4 flow was maintained at 4.5 ml min −1 and samples, in acidic medium, were fed at 9 ml min −1.Both elements have a similar behaviour as a function of HCl concentration (see Fig. 2).

Impact of the Degree of Maturity of Walnuts (Juglans regia ...

The chromatography system consisted of a SYKAM chromatograph (Eresing, Landsberg am Lech, Germany), using a 5C18-MS-II column (200 mm × 4.6 mm i.d., 5µm Cosmosil), 100% methanol as a mobile phase at a flow rate of 0.8 mL/min and a fluorescence detector (Shimadzu RF 353, Kyoto, Japan)) with the excitation wavelength set at 290 nm and the ...

Molecular epidemiology and clinical features of hand, foot ...

Hand, foot and mouth disease (HFMD) is a major communicable disease in children ≤6 years old, particularly in several countries in the Asia-Pacific Region, including Thailand. HFMD impacts public health and the economy, especially in northern Thailand. A prospective cohort study was conducted to estimate the incidence rate and to identify the serotype and clinical features of HFMD among ...

Genome wide analysis for mouth ulcers identifies ...

Oral ulceration is the most common ulcerative condition in humans, affecting up to 25% of young adults 1 and a higher proportion of children 2.Depending on context, ulcers in the mouth are ...

Memorandum of Understanding (MOU) Definition

Sep 25, 2019 · Memorandum of Understanding - MOU: A memorandum of understanding (MOU) is a nonbinding agreement between two or more parties …

Free Access to Scientific Journals - Open Access Journals

Open Access journals are the major source of knowledge for young and aspiring generations who are keen in pursuing a career in sciences. This system provides easy access to networks of scientific journals.Authors that contribute their scholarly works to Open Access journals gain remarkable reputation as the research scholarly explore these works extensively.

Identification of a Multicomponent Traditional Herbal ...

The stained light microscopy photographs of all of the pharmaceutical products showed added starch and raw herbal powder as extenders. Conclusion: The developed chemical and physical methods provide a standard operating procedure for the quantity control of the herbal pharmaceutical products of XSLJZT.

Integrin beta-3 Antibody 18309-1-AP | Proteintech

Integrin beta-3 antibody Rabbit Polyclonal from Proteintech validated in Western Blot (WB), Immunoprecipitation (IP), Immunohistochemistry (IHC), Immunofluorescence (IF), Enzyme-linked Immunosorbent Assay (ELISA) applications. This antibody reacts with human,mouse,rat samples. Cat.No. 18309-1-AP.

Benazepril | Excipients | Inactive | Suppliers ...

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Bauxite Residue Issues: I. Current Management, Disposal ...

Red mud-reducing agent mixes were reduced in a muffle furnace at 1200, 1300, and 1500 °C for 15 min. Pure graphite and blast furnace sludges were used as reducing agents with different equivalent ...

Pramipexole Dihydrochloride Monohydrate | Drug …

Know about technical details of Pramipexole Dihydrochloride Monohydrate like: chemical name, chemistry structure, formulation, uses, toxicity, action, side effects and more at Pharmacompass.

3TNV70 - 20.8hp | Industrial Engines | Power Equipment

Stricter emissions standards are cleared by a wide margin. By investigating flow characteristics using experimental and numerical analysis methods, Yanmar research has achieved improved flow mixing in both the main chamber and the special mouth surrounding the injector.

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Heptane | C7H16 - PubChem

Heptane is metabolized to its parent alcohols (mainly 2-heptanol and 3 heptanol, and to a minor extent 1-heptanol and 4- heptanol).The heptanol metabolites are conjugated by glucuronates or sulfates, and subsequently excreted in urine. Heptane is further metabolized at relatively high rates by hydroxylation before being converted to the corresponding keto forms.

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