PERSISTENT POTENTIAL OF PROTOZOA BLASTOCYSTIS SPP.

In recent years, the parasitic protozoan Blastocystis spp., inhabiting in the human gastrointestinal tract, has begun to attract more and more attention on the site of parasitologists. A high incidence of blastocyst contamination was revealed in individuals of various population groups. In this paper, the results of the study showing high rates of invasiveness of foundry workers by the above-mentioned protozoan, characterized by hazardous working conditions of both physical and chemical nature. The ability of protozoa to inhabit a particular ecological niche depends on their biological properties; thus, persistence factors are of particular interest. The article describes the persistent potential of Blastocystis spp., inhabiting the human intestines. Persistent properties in prokaryotes is a significant physiological factor for their existence and determine the mechanism of interaction of microorganisms that form the intestinal microflora. The complex of persistence factors (ALA, ALFA, and AHA) of Blastocystis spp. was studied. A direct correlation between the persistent activity of the blastocysts and the severity of intestinal microbiocenosis disorders was found. The effect of destabilizing production factors leading to the restructuring of the intestinal biome has been established, contributing to a decrease in the indigenous group of microorganisms and an increase of opportunistic flora. The received data allow using the most important biological properties of the survival of

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Nanobiotechnology: Nature-inspired silver nanoparticles towards green synthesis

Energy & Environment ◽

10.1177/0958305x21989883 ◽

2021 ◽

pp. 0958305X2198988

Author(s):

Nur Syakirah Rabiha Rosman ◽

Noor Aniza Harun ◽

Izwandy Idris ◽

Wan Iryani Wan Ismail

Keyword(s):

Electrical Conductivity ◽

Silver Nanoparticles ◽

Green Synthesis ◽

Metal Nanoparticles ◽

Current Trend ◽

Biological Properties ◽

Noble Metal Nanoparticles ◽

Current Application ◽

Physical Chemical ◽

Physical And Chemical

The emergence of technology to produce nanoparticles (1 nm – 100 nm in size) has drawn significant researchers’ interests. Nanoparticles can boost the antimicrobial, catalytic, optical, and electrical conductivity properties, which cannot be achieved by their corresponding bulk. Among other noble metal nanoparticles, silver nanoparticles (AgNPs) have attained a special emphasis in the industry due to their superior physical, chemical, and biological properties, closely linked to their shapes, sizes, and morphologies. Proper knowledge of these NPs is essential to maximise the potential of biosynthesised AgNPs in various applications while mitigating risks to humans and the environment. This paper aims to critically review the global consumption of AgNPs and compare the AgNPs synthesis between conventional methods (physical and chemical) and current trend method (biological). Related work, advantages, and drawbacks are also highlighted. Pertinently, this review extensively discusses the current application of AgNPs in various fields. Lastly, the challenges and prospects of biosynthesised AgNPs, including application safety, oxidation, and stability, commercialisation, and sustainability of resources towards a green environment, were discussed.

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ROLE OF NANOTECHNOLOGY IN DENTAL SCIENCES: A REVIEW

International Journal of Medical and Biomedical Studies ◽

10.32553/ijmbs.v4i3.1055 ◽

2020 ◽

Vol 4 (3) ◽

Author(s):

Ramakoteswara Rao N ◽

Kranthi kiran Reddy E ◽

Leena Gahane ◽

SV Ranganayakulu

Keyword(s):

Materials Science ◽

Biological Properties ◽

Synthesis Methods ◽

Nano Technology ◽

New Science ◽

Physical Chemical ◽

Health Related ◽

Nano Science ◽

Physical And Chemical

Nano technology is the multi disciplinary science and technology, which has emerged as new science exploiting specific phenomena and direct manipulation of materials on nanoscale. Nanotechnology deals with the physical, chemical, and biological properties of structures and their parts at nanoscale dimensions. It's established on the concept by creating functional structures by controlling corpuscles and molecules on a one-by-one basis by different physical and chemical synthesis methods. Developments in materials science and, nano biotechnology is especially forestalled to provide elevates in dental sciences and initiations in oral health-related diagnostic and therapeutical methods. Keywords: Nano Science, dentistry, Nanocomposite, Nanorobots, Nanomaterials.

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Structure Determination of C23H19N4OBr from Synchrotron Data

Acta Crystallographica Section A Foundations and Advances ◽

10.1107/s2053273314098581 ◽

2014 ◽

Vol 70 (a1) ◽

pp. C141-C141

Author(s):

Ozen Ozgen ◽

Engin Kendi ◽

Semra Koyunoglu ◽

Akgul Yesilada ◽

Hwo-Shuenn Sheu

Keyword(s):

Powder Diffraction ◽

Structural Information ◽

Chemical Properties ◽

Biological Properties ◽

Cell Parameters ◽

Fundamental Understanding ◽

Physical And Chemical ◽

Radiation Research ◽

And Chemical Properties

A significant part of medicine is based on the discovery and development of drugs. It is very important to know the crystal structure of pharmaceutical compounds for fundamental understanding of structure, physical and chemical properties. Many of these materials are available only as powders. So any structural information must be obtained from powder diffraction. I am going to present following the stages while solving the structure of C23H19N4OBr, 2-[3-phenyl-4(m-bromophenyl)-2-pyrazolin-1-yl]-3-methyl-4(3H)-quinazolinone, from 2-pyrazolines derivatives. The compounds are known to display various biological properties such as fungicidal insecticidal, anti bacterial, anti viral activities, pharmacological properties such as antiinflammatory agents and have industral properties(1). The powder diffraction data was collected with Debye Scherrer camera at the BL01C2 beamline at room temperature in National Synchrotron Radiation Research Center(NSRRC), Taiwan. X-ray of wavelength was 1.0333Å. This compound crystallizes in orthorhombic system space group P bca, Z=8, unit cell parameters of a=25.83(1)Å, b=15.55(5)Å, c=10.63(3)Å, and V=4266.0(10)Å3. Reliability factors were reached Rwp=0.075, Rp=0.053, RB=0.086 ve S=1.31 after Rietveld refinement.

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Strategies for inclusion of growth factors into 3D printed bone grafts

Essays in Biochemistry ◽

10.1042/ebc20200130 ◽

2021 ◽

Author(s):

Alessia Longoni ◽

Jun Li ◽

Gabriella C.J. Lindberg ◽

Jelena Rnjak-Kovacina ◽

Lyn M. Wise ◽

...

Keyword(s):

Growth Factors ◽

Bone Regeneration ◽

New Technologies ◽

Healing Process ◽

Bone Grafts ◽

Biological Properties ◽

3 Dimensional ◽

3D Printed ◽

Physical And Chemical ◽

Large Bone

Abstract There remains a critical need to develop new technologies and materials that can meet the demands of treating large bone defects. The advancement of 3-dimensional (3D) printing technologies has allowed the creation of personalized and customized bone grafts, with specific control in both macro- and micro-architecture, and desired mechanical properties. Nevertheless, the biomaterials used for the production of these bone grafts often possess poor biological properties. The incorporation of growth factors (GFs), which are the natural orchestrators of the physiological healing process, into 3D printed bone grafts, represents a promising strategy to achieve the bioactivity required to enhance bone regeneration. In this review, the possible strategies used to incorporate GFs to 3D printed constructs are presented with a specific focus on bone regeneration. In particular, the strengths and limitations of different methods, such as physical and chemical cross-linking, which are currently used to incorporate GFs to the engineered constructs are critically reviewed. Different strategies used to present one or more GFs to achieve simultaneous angiogenesis and vasculogenesis for enhanced bone regeneration are also covered in this review. In addition, the possibility of combining several manufacturing approaches to fabricate hybrid constructs, which better mimic the complexity of biological niches, is presented. Finally, the clinical relevance of these approaches and the future steps that should be taken are discussed.

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Biological Synthesis of Silver Nanoparticles and their Biomedical Activity: A Review

Current Green Chemistry ◽

10.2174/2213346109666211217091042 ◽

2021 ◽

Vol 09 ◽

Author(s):

Sarvat Zafar ◽

Aiman Zafar ◽

Fakhra Jabeen ◽

Miad Ali Siddiq

Keyword(s):

Silver Nanoparticles ◽

Large Scale ◽

Scale Up ◽

Cost Effective ◽

Biological Properties ◽

Single Step ◽

Biological Synthesis ◽

Nanosized Particles ◽

Environment Friendly ◽

Physical And Chemical

: Nanotechnology studies the various phenomena of physio-chemical procedures and biological properties for the generation of nanosized particles, and their rising challenges in the various sectors, like medicine, engineering, agriculture, electronic, and environmental studies. The nanosized particles exhibit good anti-microbial, anti-inflammatory, cytotoxic, drug delivery, anti-parasitic, anti-coagulant and catalytic properties because of their unique dimensions with large surface area, chemical stability and higher binding density for the accumulation of various bio-constituents on their surfaces. Biological approaches for the synthesis of silver nanoparticles (AgNPs) have been reviewed because it is an easy and single-step protocol and a viable substitute for the synthetic chemical-based procedures. Physical and chemical approaches for the production of AgNPs are also mentioned herein. Biological synthesis has drawn attention because it is cost-effective, faster, non-pathogenic, environment-friendly, easy to scale-up for large-scale synthesis, and having no demand for usage of high pressure, energy, temperature, or noxious chemical ingredients, and safe for human therapeutic use. Therefore, the collaboration of nanomaterials with bio-green approaches could extend the utilization of biological and cytological properties compatible with AgNPs. In this perspective, there is an immediate need to develop ecofriendly and biocompatible techniques, which strengthen efficacy against microbes and minimize toxicity for human cells. The present study introduces the biological synthesis of silver nanoparticles, and their potential biomedical applications have also been reviewed.

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Change of Ecological and Biological Properties of Cespitose and Podsolic Soil at Binomial Deposits Exposed to Local Wild Fire

E3S Web of Conferences ◽

10.1051/e3sconf/202016101057 ◽

2020 ◽

Vol 161 ◽

pp. 01057

Author(s):

Alexander Ragimov ◽

Mikchail Mazirov ◽

Alexey Belenkov ◽

Vladimir Nikolaev

Keyword(s):

Podzolic Soil ◽

Mixed Forest ◽

Biological Properties ◽

Quantitative Composition ◽

Significant Deterioration ◽

Biological Condition ◽

Wild Fire ◽

Vladimir Region ◽

Clear Differentiation ◽

Physical And Chemical

The article deals with the ground wild fire impact on physical and chemical and ecological and biological condition of cespitose and podsolic soils on binomial deposits of the Meshcherska province of Gus-Khrustalny district, the Vladimir region under different forest cultures type. In the course of the study, a clear differentiation of changes in the microbiological pool of sod-podzolic soil on bicompartmental deposits under different types of forests was established. The quantitative composition of ammonia factors after exposure to pyrogenic exposure decreased on the sod-podzolic soil of coniferous forests, while the number of photographers, mushrooms, and oligotrophs sharply decreases in the area of pyrogenic exposure in the mixed forest. Within the territory exposed to fire, there is a decrease in the content of organic matter, as well as the content of other biophilic elements. The physical properties of sod-podzolic soil on bicompartmental deposits are also subject to change, in the direction of significant deterioration.

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Comparison of earthworm populations in arable and grassland fields in the Outer Western Carpathians, South Poland

Biologia ◽

10.1515/biolog-2016-0035 ◽

2016 ◽

Vol 71 (3) ◽

Cited By ~ 4

Author(s):

Agnieszka Józefowska ◽

Anna Miechówka ◽

Jan Frouz

Keyword(s):

Chemical Properties ◽

Biological Properties ◽

Outer Western Carpathians ◽

Geographical Regions ◽

Type Of Land Use ◽

Earthworm Biomass ◽

The Mean ◽

Physical And Chemical ◽

The Impact ◽

Earthworm Populations

AbstractThe impact of different geographical regions (Silesian Foothills, region 1 and Maly Beskids, region 2), and method of soil use (arable field and grassland) on the main soil properties and biological activity was studied. Earthworm biomass, density and diversity, as well as dehydrogenase activity, were analysed. Significant soil physical and chemical properties were more affected by regions, whereas the type of land use had a greater impact on the biological properties. The mean earthworm density was 213 ind. m

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Rat α2 acute-phase macroglobulin. Isolation and physicochemical properties

Biochemical Journal ◽

10.1042/bj1590661 ◽

1976 ◽

Vol 159 (3) ◽

pp. 661-665 ◽

Cited By ~ 41

Author(s):

F Gauthier ◽

H Mouray

Keyword(s):

Physicochemical Properties ◽

Acute Phase ◽

Polyacrylamide Gel Electrophoresis ◽

Deae Cellulose ◽

Chemical Properties ◽

Amino Acid Content ◽

Acute Phase Reactant ◽

Biological Properties ◽

Exchange Chromatography ◽

Physical And Chemical

1. Rat α2 acute-phase macroglobulin was isolated from turpentine-injected rats by Sephadex G-200 chromatography and ion-exchange chromatography on DEAE-cellulose. This method, since it does not include (NH4)2SO4 treatment, allows the study of the physicochemical as well as the biological properties of the molecule. 2. The purity of the preparation was demonstrated by ultracentrifugation, polyacrylamide-gel electrophoresis, fused “rocket” immunoelectrophoresis as well as double immunodiffusion. 3. The rat α2 acute-phase macroglobulin was characterized in terms of its main physical and chemical properties. Its isoelctric point was determined by isoelectrofocusing to be 4.55; s020,w was 18.4S and E1%/1cm at 278 nm was 6.8. The mol.wt. was determined by light-scattering to be 770000. 4. The amino acid content was compared with that of rat α1 macroglobulin and was found very similar. The carbohydrate composition of α2 acute-phase macroglobulin was determined to be: hexose, 4.25%; glucosamine, 3.4%; sialic acid, 2%; fucose, 0.2%. From these results it was concluded that α2 acute-phase macroglobulin, although a typical acute-phase reactant, possesses the characteristic physicochemical properties of α macroglobulins.

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Composite Granulated Adsorbents Based on Chitosan and Agricultural Processing Waste for Sewage Treatment

International Journal of Engineering & Technology ◽

10.14419/ijet.v7i4.3.19825 ◽

2018 ◽

Vol 7 (4.3) ◽

pp. 320

Author(s):

L. A. Bezdeneznych ◽

O. V. Kharlamova ◽

V. M. Shmandiy

Keyword(s):

Sewage Treatment ◽

Biological Properties ◽

Contaminated Water ◽

Industrial Complex ◽

Industrial Waste Water ◽

Industrial Enterprises ◽

Physico Chemical ◽

Chitin And Chitosan ◽

Physical And Chemical ◽

The Impact

To minimize the impact of industrial enterprises on water objects, a wide variety of adsorbents (based on activated carbon, natural materials, nanomaterials, vegetable waste of agro-industrial complex, etc.) is used. Recently, chitin and chitosan have attracted the attention of scientists due to a number of unique physico-chemical and biological properties (adsorption, antioxidant, radioprotective, immunomodulating, lamina-forming). We have improved the method of obtaining powdered chitosan and established the basic physical and chemical parameters (bulk density, humidity). The method of obtaining chitosan granules and composite materials based on chitosan and modified sunflower husks (MSH) has been further developed by the "drip method". The adsorption properties of powder chitosan, chitosan granules and MSH were studied. It is set that a granular adsorbent has a high adsorbtivity in comparing to the original chitosan. Efficiency of wastewater treatment with the use of chitosan granules and MSH is equally high (up to 98%). The optimum amount of adsorbent for effective cleaning of contaminated water is 1% of its volume. The use of the results of the conducted research allows us to obtain an effective adsorbent for the treatment of industrial waste water.

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