44 results match your criteria perlite liquid


Conservation, Regeneration and Genetic Stability of Regenerants from Alginate-Encapsulated Shoot Explants of Ellis.

Polymers (Basel) 2021 May 20;13(10). Epub 2021 May 20.

Department of Horticulture, School of Agriculture, Aristotle University, 54124 Thessaloniki, Greece.

The present study demonstrates the potential of the alginate encapsulation of shoot tips and nodal segments of Ellis, the short-term cold storage of artificial seeds and subsequent successful conversion to desirable, uniform and genetically stable plantlets. Shoot tips and first-node segments below them, derived from shoots of in vitro cultures, responded better than second-to-fourth-node segments on agar-solidified Murashige and Skoog (MS) nutrient medium and thus, they were used as explants for alginate encapsulation. Explant encapsulation in 2. Read More

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[DEVELOPMENT OF FORMULATIONS FOR THE PRODUCTION OF MEDICINAL - COMETIC PREPARATIONS USING PLANT, MINERAL AND ANIMAL RESOURCES OF GEORGIA].

Georgian Med News 2021 Mar(312):150-156

Tbilisi State Medical University, Institute of Pharmacochemistry I. Kutateladze, Georgia.

The purpose of the study was to develop cosmetic products using the natural resources of Georgia As components, the therapeutic mud of Akhtala, bentonite clay, perlite, liver oil of the sea cartilaginous fish katran, habitat of coastal waters were used. From the Black Sea, oils and extracts from plants in large numbers growing in Georgia. When studying the physicochemical characteristics of the products obtained and their compliance with standards, tests according to GOST 31460-2012 were used. Read More

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Impact of phosphorus fertilizer level on the yield and metabolome of goji fruit.

Sci Rep 2020 09 4;10(1):14656. Epub 2020 Sep 4.

College of Horticulture, Northwest A & F University, Yangling, 712000, Shan Xi, China.

Goji (Lycium barbarum L.) is a highly medicinal value tree species. The yield and nutritional contents of goji fruit are significant affected by fertilizer level. Read More

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September 2020

Vermiculite as a culture substrate greatly improves the viability of frozen cultures of ectomycorrhizal basidiomycetes.

Fungal Biol 2020 08 12;124(8):742-751. Epub 2020 Jun 12.

Fungus/Mushroom Resource and Research Center (FMRC), Faculty of Agriculture, Tottori University, 4-101 Koyama-Minami, Tottori, 680-8553, Japan.

We assessed a new cryopreservation protocol that uses vermiculite as a culture substrate, called the vermiculite protocol (VP), by assessing the viability, recovery time of hyphae after revival, and colony diameter of cryosensitive ectomycorrhizal basidiomycete strains after storage for 2 weeks or 1 year in a vapour-phase liquid nitrogen tank. Twelve difficult-to-preserve strains of nine species (Amanita citrina, A. pantherina, A. Read More

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Modulation of secondary metabolite profiles by biologically synthesized MgO/perlite nanocomposites in Melissa officinalis plant organ cultures.

J Hazard Mater 2019 12 17;380:120878. Epub 2019 Jul 17.

Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.

In this work, biological synthesis of MgO/perlite nanocomposites (NCs) besides their effects on morphology and secondary metabolite profiles of Melissa officinalis plant organ cultures were evaluated. MgO NPs were immobilized on the surface of nanoperlite using M. officinalis extract as a capping agent. Read More

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December 2019

Uptake and distribution of phenanthrene and pyrene in roots and shoots of maize (Zea mays L.).

Environ Sci Pollut Res Int 2019 Apr 9;26(10):9938-9944. Epub 2019 Feb 9.

Department of Plant Sciences, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran.

Polycyclic aromatic hydrocarbons as byproducts of carbon-based fuel combustion are an important group of pollutants with wide distribution in the environment. Polycyclic aromatic hydrocarbons are known as toxic compounds for almost all organisms. Different plant species can uptake polycyclic aromatic hydrocarbons by roots and translocate them to various aerial parts. Read More

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Characterization of MgCl₂·6H₂O-Based Eutectic/Expanded Perlite Composite Phase Change Material with Low Thermal Conductivity.

Materials (Basel) 2018 Nov 25;11(12). Epub 2018 Nov 25.

Key Laboratory of Enhanced Heat Transfer and Energy Conservation, the Ministry of Education, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.

The melting points of the phase change materials (PCMs) incorporated into the walls of buildings should be within the human thermal comfort temperature range. In this paper, 15 wt.% of MgCl₂·6H₂O was mixed with CaCl₂·6H₂O to obtain the eutectic with a melting point of 23. Read More

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November 2018

Removal of Cs from aqueous solutions by perlite.

Environ Sci Pollut Res Int 2018 Aug 24;25(22):21982-21992. Epub 2018 May 24.

National Commission of Atomic Energy, Av. General Paz 1499, 1650, San Martín, Buenos Aires, Argentina.

Perlite is an abundant mineral that requires minimum processing before use either as raw or expanded perlite, resulting in a low-cost, natural porous material. The application of materials for the removal of radioactive cesium from liquid effluents and contaminated waters is currently of great interest. Perlite has been evaluated in the last years for the sorption of a variety of metals, but it had not been investigated before for removal of Cs from contaminated waters. Read More

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A Study on a Novel Phase Change Material Panel Based on Tetradecanol/Lauric Acid/Expanded Perlite/Aluminium Powder for Building Heat Storage.

Materials (Basel) 2016 Nov 5;9(11). Epub 2016 Nov 5.

School of Energy and Environmental Engineering, Hebei University of Technology, Tianjin 300401, China.

Phase change material (PCM) used in buildings can reduce the building energy consumption and indoor temperature fluctuation. A composite PCM has been fabricated by the binary eutectic mixture of tetradecanol (TD) and lauric acid (LA) absorbed into the expanded perlite (EP) using vacuum impregnation method, and its thermal conductivity was promoted by aluminium powder (AP) additive. Besides, the styrene-acrylic emulsion has been mixed with the composite PCM particles to form the protective film, so as to solve the problem of leakage. Read More

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November 2016

Metabolism of Ibuprofen by Phragmites australis: Uptake and Phytodegradation.

Environ Sci Technol 2017 04 6;51(8):4576-4584. Epub 2017 Apr 6.

Helmholtz Zentrum München, GmbH, German Research Center for Environmental Health, Research Unit Environmental Genomics, Ingolstädter Landstraße 1, D-85764 Neuherberg, Germany.

This study explores ibuprofen (IBP) uptake and transformation in the wetland plant species Phragmites australis and the underlying mechanisms. We grew P. australis in perlite under greenhouse conditions and treated plants with 60 μg/L of IBP. Read More

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[Study on Rapid Micropropagation in Vitro Technique of Guangfeng Medicinal Yam (Dioscorea opposita) Plantlets].

Zhong Yao Cai 2015 Nov;38(11):2245-9

Objective: In order to provide methodology reference for virus-free and germplasm conservation of Guangfeng medicinal yam (Dioscorea opposita) plantlets, rapid micropropagation in vitro technique of Guangfeng medicinal yam plantlets was studied.

Methods: Using the method of plant tissue culture, single factor test and flow-cytometry, the basic procedure of Guangfeng medicinal yam tissue culture was established and the DNA content of Guangfeng medicinal yam plantlets and its potted seedlings was detected.

Results: The best disinfection procedure of stems with a bud of Guangfeng medicinal yam was washed with sterile water for three times after sterilized with 70% alcohol for 20 - 30 s and then washed with sterile water for three times again after sterilized with 0. Read More

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November 2015

Identifying the limitations of conventional biofiltration of diffuse methane emissions at long-term operation.

Environ Technol 2016 Aug 29;37(15):1947-58. Epub 2016 Jan 29.

a Department of Chemical Engineering , Institute of Technology, University of Santiago de Compostela , Santiago de Compostela , Galicia , Spain.

There is growing international concern about the increasing levels of greenhouse gases in the atmosphere, particularly CO2 and methane. The emissions of methane derived from human activities are associated with large flows and very low concentrations, such as those emitted from landfills and wastewater treatment plants, among others. The present work was focused on the biological methane degradation at diffuse concentrations (0. Read More

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Long term storage of Pleurotus ostreatus and Trametes versicolor isolates using different cryopreservation techniques and its impact on laccase activity.

Fungal Biol 2015 Dec 22;119(12):1345-1353. Epub 2015 Oct 22.

Institute of Microbiology, Academy of Sciences of the Czech Republic (ASCR), v.v.i., Vídeňská 1083, 142 20 Prague 4, Czech Republic.

The strain Pleurotus ostreatus Florida f6, its 45 basidiospore-derived isolates (both monokaryons and dikaryons prepared in our laboratory), Trametes versicolor strain CCBAS 614 and 22 other T. versicolor isolates obtained from the sporocarps collected in distant localities were successfully preserved for 12 y using perlite and straw cryopreservation protocols. All tested isolates survived a 12-year storage in liquid nitrogen (LN) and their laccase production and Poly B411 decolorization capacity was preserved. Read More

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December 2015

Mycorrhizal synthesis between Lactarius deliciosus and Arbutus unedo L.

Mycorrhiza 2016 Apr 28;26(3):177-88. Epub 2015 Jul 28.

Instituto Nacional de Investigação Agrária e Veterinária, Av. República, Quinta do Marquês, 2780-159, Oeiras, Portugal.

Arbutoid mycorrhizae were synthesized in vitro between Arbutus unedo L. and two isolates of Lactarius deliciosus. The fungal isolates were obtained from sporocarps collected under Pinus sylvestris and in a mixed forest stand of Quercus suber and Pinus pinea. Read More

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[Induction and in vitro culture of hairy roots of Dianthus caryophyllus and its plant regeneration].

Sheng Wu Gong Cheng Xue Bao 2014 Nov;30(11):1742-50

To use Agrobacterium rhizogenes-induced hairy roots to create new germplasm of Dianthus caryophyllus, we transformed D. caryophyllus with A. rhizogenes by leaf disc for plant regeneration from hairy roots. Read More

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November 2014

[Establishment of high frequency regeneration via leaf explants of 'Red Sun' kiwifruit (Actinidia chinensis)].

Sheng Wu Gong Cheng Xue Bao 2013 Nov;29(11):1599-606

A high efficient in vitro regeneration protocol was developed from leaf explants of the female 'Red Sun' kiwifruit (Actinidia chinensis) and the multiplication coefficient and rooting rate of adventitious buds were also optimized. This method does not require formation of callus tissues which leads to somaclonal variations. The results show that the adventitious buds developing directly from explants tissue were noticed after 30 d of culture. Read More

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November 2013

Better rooting procedure to enhance survival rate of field grown malaysian eksotika papaya transformed with 1-aminocyclopropane-1-carboxylic Acid oxidase gene.

ISRN Biotechnol 2013 21;2013:958945. Epub 2012 Oct 21.

Malaysian Agricultural Research and Development Institute (MARDI), P.O. Box 12301, 50774 Kuala Lumpur, Malaysia.

A high survival rate for transformed papaya plants when transferred to the field is useful in the quest for improving the commercial quality traits. We report in this paper an improved rooting method for the production of transformed Malaysian Eksotika papaya with high survival rate when transferred to the field. Shoots were regenerated from embryogenic calli transformed with antisense and RNAi constructs of 1-aminocyclopropane-1-carboxylic acid oxidase (ACO) genes using the Agrobacterium tumefaciens-mediated transformation method. Read More

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Micropropagation of Cyclopia genistoides, an endemic South African plant of economic importance.

Z Naturforsch C J Biosci 2012 Jan-Feb;67(1-2):65-76

The Chair and Department of Pharmacognosy, Faculty of Pharmacy, Medical University of Gdansk, al. gen. J. Hallera 107, 80-416 Gdansk, Poland.

An efficient micropropagation protocol of Cyclopia genistoides (L.) Vent., an indigenous South African shrub of economic importance, was established. Read More

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First Report of Fusarium oxysporum Causing Wilt on Jade Plant (Crassula ovata) in Italy.

Plant Dis 2011 Sep;95(9):1191

AGROINNOVA, Università di Torino Via Leonardo da Vinci 44, 10095 Grugliasco, Italy.

During summer 2010, symptoms of a wilt disease were observed in a commercial farm in northern Italy on Crassula ovata (jade plant). First symptoms consisted of chlorosis and premature drop of still turgid leaves. As the disease progressed, leaves turned yellow and wilted before dropping off and the stem wilted, bent, and eventually rotted starting from the base. Read More

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September 2011

First Report of Basal Stem Rot of Apple Cactus (Cereus peruvianus monstruosus) Caused by Fusarium oxysporum in Italy.

Plant Dis 2011 Jul;95(7):877

Centre of Competence for the Innovation in the Agro-Environmental Sector (AGROINNOVA), University of Torino and DI.VA.P.R.A.-Patologia Vegetale, Via Leonardo da Vinci 44, 10095 Grugliasco, Italy.

During the summer of 2010, 20% of 7,000 4-month-old plants of apple cactus (Cereus peruvianus monstruosus) showed symptoms of a basal stem rot in a commercial nursery located in Liguria (northern Italy). Affected plants showed yellow orange-to-pale brown color from the crown level to the stem apex and a water-soaked rot was observed on the stem starting from the base. Brown discoloration was observed in the vascular system. Read More

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Effect of long-term preservation of basidiomycetes on perlite in liquid nitrogen on their growth, morphological, enzymatic and genetic characteristics.

Fungal Biol 2010 Nov-Dec;114(11-12):929-35. Epub 2010 Sep 17.

Institute of Microbiology, Academy of Sciences of the Czech Republic (ASCR), v.v.i., Vídeňská 1083, 142 20 Prague 4, Czech Republic.

The macro- and micro-morphological features, mycelial extension rate, enzymatic activities and possible genetic changes were studied in 30 selected strains of basidiomycetes after 10-year cryopreservation on perlite in liquid nitrogen (LN). Comparisons with the same strains preserved by serial transfers on nutrient media at 4°C were also conducted. Production of ligninolytic enzymes and hydrogen peroxide was studied by quantitative spectrophotometric methods, whereas semiquantitative API ZYM testing was used to compare the levels of a wide range of hydrolytic enzymes. Read More

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February 2011

Selection of low cost materials for the sorption of copper and herbicides as single or mixed compounds in increasing complexity matrices.

J Hazard Mater 2010 Oct 1;182(1-3):18-26. Epub 2010 Jul 1.

Equipe Dépollution Biologique des Sols, IREBS FRE 3211 CNRS, 29 rue de Herrlisheim, BP 50568, 68008 Colmar Cedex, France.

Low cost materials (sugar beet pulp, corncob, corncob char, perlite, vermiculite, sand, sediment) have been tested for their ability to quickly sorb copper, glyphosate, diuron and 3,4-dichloroaniline (3,4-DCA) as single or mixed compounds. Tests have been performed in increasingly complex liquid matrices: ultra pure water (UPW), runoff water (RW) and sediment extract medium (SEM). Highest sorption levels in UPW are achieved with corncob char for Cu (93%), glyphosate (74%), diuron (98%) and 3,4-DCA (99%). Read More

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October 2010

Co-composting of solid and liquid olive mill wastes: management aspects and the horticultural value of the resulting composts.

Bioresour Technol 2010 Sep;101(17):6699-706

Agricultural Research Organization, Institute of Plant Sciences, Newe Ya'ar Research Center, Ramat Yishay 30095, Israel.

Successful co-composting of solid and liquid olive mill wastes (OMW) and obtaining a product of horticultural value may increase the viability of this recycling approach. Two composting cycles were performed, in which olive mill solid wastes (OMSW) were used to form five mixtures, wetted either with fresh water or with olive mill wastewater (OMWW). Up to approximately 0. Read More

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September 2010

First Report of Lentil Root Rot Caused by Aphanomyces euteiches in Idaho.

Plant Dis 2010 Apr;94(4):480

USDA-ARS, Vegetable and Forage Crops Research Unit, Prosser, WA 99350.

In June 2008, lentil plants (Lens culinaris Medik. cv. Crimson) in a field in Kendrick, ID exhibited symptoms including stunting, leaf chlorosis, reddening of abaxial leaf surfaces, root browning, and necrosis. Read More

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Generation of hermaphrodite transgenic papaya lines with virus resistance via transformation of somatic embryos derived from adventitious roots of in vitro shoots.

Transgenic Res 2010 Aug 27;19(4):621-35. Epub 2009 Nov 27.

Department of Plant Pathology, National Chung Hsing University, 250 Kuokuang Road, Taichung City, 402, Taiwan, ROC.

Papaya production is seriously limited by Papaya ringspot virus (PRSV) worldwide and Papaya leaf-distortion mosaic virus (PLDMV) in Eastern Asia. An efficient transformation method for developing papaya lines with transgenic resistance to these viruses and commercially desirable traits, such as hermaphroditism, is crucial to shorten the breeding program for this fruit crop. In this investigation, an untranslatable chimeric construct pYP08 containing truncated PRSV coat protein (CP) and PLDMV CP genes coupled with the 3' untranslational region of PLDMV, was generated. Read More

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Optimizing regeneration condition in chickpea (Cicer arietinum L.).

Pak J Biol Sci 2008 Apr;11(7):1009-14

Department of Biotechnology and Plant Breeding, Faculty of Agriculture, Ferdowsi University of Mashhad, P.O. Box 91775-1163, Mashhad, Iran.

In this study, multiple shoot induction and whole plant regeneration from decapitated embryo axes of three chick peal genotypes including MCC252, MCC283 and MCC505 were evaluated on modified Murashige and Skoog's medium (MMS) which, its vitamins were replaced by vitamins of B5 medium, supplemented with varied concentration of thidiazuron (0.1, 0.2 mg L(-1)) or 6-benzylaminopurin (1,2 mg L(-1)) or zeatin (1, 2 mg L(-1)) treatments. Read More

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Cryopreservation of filamentous micromycetes and yeasts using perlite.

Folia Microbiol (Praha) 2007 ;52(2):153-7

Institute of Microbiology, Academy of Sciences of the Czech Republic, 142 20 Prague, Czechia.

The viability, growth and morphology of 48 strains of Ascomycota (including 17 yeasts) and 20 strains of Zygomycota were determined after a 2-d and then after 1-year storage in liquid nitrogen using a new cryopreservation method with perlite as a particulate solid carrier. In case of Ascomycota, 45 strains (94 %) out of 48 survived both 2-d and 1-year storage in liquid nitrogen, respectively. In case of Zygomycota, all 20 strains survived both storage. Read More

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Basidiomycete cultures on perlite survive successfully repeated freezing and thawing in cryovials without subculturing.

J Microbiol Methods 2007 Jun 11;69(3):529-32. Epub 2006 Oct 11.

Institute of Microbiology AS CR, Vídenská 1083, 142 20 Prague 4, Czech Republic.

Mycelial basidiomycete cultures on perlite in cryovials survived successfully three successive cycles of freezing, storage in liquid nitrogen (LN) and thawing without noticeable changes. This indicates that using perlite as a carrier for cryopreservation could in most cases overcome difficulties caused by interrupted supply of LN or electric power during the storage. Cultures on perlite can also be reused for successive inoculations. Read More

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Basidiomycete cryopreservation on perlite: evaluation of a new method.

Cryobiology 2006 Jun;52(3):446-53

Institute of Microbiology AS CR, Prague, Czech Republic.

A new cryopreservation method using perlite as a carrier was evaluated on a large set of mycelial cultures of basidiomycetes. The viability and some other characteristics--growth, macro- and micromorphology, and laccase production--of 442 strains were tested after 48-h and then after 3-year storage in liquid nitrogen using a perlite protocol (PP). All (100%) of them survived successfully both 48-h storage and 3-year storage in liquid nitrogen without noticeable growth and morphological changes. Read More

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Biofiltration for mitigation of methane emission from animal husbandry.

Environ Sci Technol 2005 Jul;39(14):5460-8

Wageningen University and Research Centre, Agrotechnology and Food Innovations, P.O. Box 17, 6700 AA Wageningen, Netherlands.

Removal of methane from exhaust air of animal houses and manure storage has a large potential for the reduction of greenhouse gas emissions from animal husbandry. The aim of this study was to design a biofilter for methane removal at a full-scale livestock production facility. Air from the headspace of a covered 6 m3 liquid manure storage (air flow: 0. Read More

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