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Latex is a milky sap produced by rubber trees. The sap is blended with chemicals during manufacturing to give latex its elastic quality. Natural rubber latex is often found in rubber gloves, condoms, balloons, rubber bands, erasers and toys.. If you are allergic to latex your body treats latex as an allergen and sets off an allergic reaction. Latex allergies are most common in people who have regular exposure to latex products such as rubber gloves. That is why this allergy is most common among healthcare workers and people who have undergone multiple surgeries.. Approximately 50% of people with latex allergy have a history of another type of allergy. Certain fruits and vegetables, such as bananas, chestnuts, kiwi, avocado and tomato can cause allergic symptoms in some latex-sensitive individuals.. Allergic reactions to latex range from mild to very severe. Every year, there are hundreds of cases of anaphylaxis, a life-threatening allergic reaction, due to latex allergy. The severity of allergic ...
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Alfa Aesar™ Polystyrene latex microsphere, 0.10 micron, 2.5 wt% dispersion in water 15mL Alfa Aesar™ Polystyrene latex microsphere, 0.10 micron,...
Mueller matrices of dense aqueous suspensions of different concentrations are measured with a phase-modulated Mueller ellipsometer as a function of the scattering angle. Different concentrations of a solution containing 404-nm-diameter polystyrene latex spheres dispersed in water were prepared. Experimental results are compared with a three-dimensional Monte Carlo simulation of the propagation of photons with the cell geometry accounted for. The Fresnel laws and the Mie theory determine the changes in direction and polarization during the propagation of the photon. Excellent agreement over the whole angular range is found between experimental and simulated Mueller matrices.. © 2001 Optical Society of America. Full Article , PDF Article ...
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IgE-mediated allergic reactions to latex, while not common in the general population, are a leading cause of anaphylaxis in children, particularly for events that occur during hospitalization. Life-threatening allergic reactions may be the presenting factor of latex allergy in up to 30% of latex-sensitive children. The majority of latex-allergic individuals are highly atopic, with histories of allergic conditions such as rhinitis or asthma. The prevalence of clinical latex allergy in the general population has not been established. Studies have demonstrated that 3% to 9.5% of the general population is sensitized to latex as determined by skin or serum allergy testing; however, these numbers do not represent the prevalence of clinical reactions to latex exposure (ie, a positive allergy test does not mean a clinical allergy to latex). Studies have demonstrated a higher prevalence of latex sensitization in certain high-risk groups with frequent exposure to latex, including health care workers and ...
Natural Latex or Natural Rubber Latex as it is also called is a 100 % natural material free of harmful additives. Natural Latex stems from the rubber tree and has an easy recognizable yellow colour.. Natural Latex is more elastic than silicone which makes it suitable for children that bite into their pacifiers. Due to the materials organic origins combined with a relatively low heat tolerance Natural Latex decades faster than silicone. ...
The frequency of latex allergy in children requiring multiple surgery ranges from 16.7% to 65%. The aim of this study was to investigate the safety and efficacy of latex desensitization in a group of 10 patients with a history of multiple surgical procedures and clinically manifested allergy to latex. We selected 10 children (femalemale ratio = 5:5), aged 416 yr (mean ± s.d.: 9 ± 4), with a history of multiple surgical procedures, adverse reactions to latex and positive skin test to latex and/or specific immunoglobulin E (IgE). Latex allergy diagnosis was confirmed by specific provocation tests (cutaneous, sublingual, mucous, conjunctival tests). Rush (4-day) sublingual desensitization was performed with increasing doses of latex extract (ALK Abellò) under patients tongue until the highest dose of 500 μg of latex. A maintenance therapy (10 drops of undiluted solution three times a week) was recommended. During the 2-yr follow-up mean values of specific IgG4 and IgE, eosinophilic cationic ...
APPLIED ORGANOMETALLIC CHEMISTRY Appl. Organometal. Chem. 2004; 18: 542-547 Materials, Published online in Wiley InterScience (www.interscience.wiley.com). DOI:10.1002/aoc.758 Nanoscience and Catalysis Binding kinetics of magnetic nanoparticles on latex beads studied by magnetorelaxometry D. Eberbeck1 *, Ch. Bergemann2 , S. Hartwig1 , U. Steinhoff1 and L. Trahms1 1 2 Physikalisch Technische Bundesanstalt, Berlin, Germany Chemicell GmbH, Berlin, Germany Received 19 September 2003; Accepted 5 February 2004 A system of magnetic nanoparticles (MNPs) and modified latex spheres was used serving as a model for studying binding reactions. The binding of MNPs on latex is estimated by the change of the magnetic relaxation properties of the MNP measured by a SQUID-based magnetorelaxometry measurement system. By fitting of subsequently recorded relaxation curves, the kinetics of the binding reactions, i.e. the evolution of the fraction of bound MNPs, was extracted. The signal of bound MNPs scales linearly ...
Sensitization to latex proteins can cause immediate IgE mast cell-mediated reactions. Health care workers have been found to be particularly at risk because of high exposure. Latex allergy can be produced in mice as demonstrated by IgE and eosinophil responses. Thus the mouse is a potential animal model for studying this disease, but the airway response to latex sensitization in mice has not been evaluated previously. In the present study, we immunized BALB/c mice intranasally with nonammoniated latex proteins. Animals were anesthetized, and lung mechanics were evaluated plethysmographically. Changes in pulmonary conductance (GL) and compliance (Cdyn) were measured in response to a nonspecific challenge with methacholine or to a direct challenge with intravenous latex antigen. Latex sensitization resulted in elevated levels of IgE and latex-specific IgG1 as well as interstitial infiltrates consistent with an allergic response. The methacholine dose-response ED50 for GL was 116.4 μg for the control mice
Natural latex teats have the most teat-like feel. We use latex to get them started and then switch them over to Red Rubber Teats.
Elasticity is not the first thing that comes to mind when purchasing an ordinary spring mattress. The two things seem strangely at odds with one another. However, its one of the things most people lament not finding in their mattresses as the years go by. That isnt, however, a complaint people who purchase natural latex mattresses have. In fact, its not something that most people with latex mattresses even think of because these mattresses are famous for maintaining their forms and consistencies for decades. ...
Immediate hypersensitivity reactions ranging from mild urticaria to life threatening anaphylaxis after exposure to natural rubber latex have been reported frequently in health care workers while occupational asthma due to latex exposure is less well studied. The results of specific challenge tests and immunological tests in four health care workers with work related respiratory and skin disorders induced by the use of latex gloves are described. Occupational asthma was confirmed in three subjects by specific challenge tests. All had a positive skin test reaction to the latex extract; specific IgE antibodies were detected in only one subject. The fourth subject had a negative specific inhalation and skin test reaction to the latex extract. Peak expiratory flow monitoring at work and away from work showed a pattern consistent with work related asthma. These findings confirm that latex is a cause of occupational asthma in health care workers.. ...
Journal Article: Composite Poly(vinylidene fluoride)/Polystyrene Latex Particles for Confined Crystallization in 180 nm Nanospheres via Emulsifier-Free Batch Seeded Emulsion Polymerization ...
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Copyright 1993-2017 LaTeX Project %% %% This file is part of the Standard LaTeX `Graphics Bundle. %% %% This file, and all the other files in this bundle as listed below, %% may be distributed under the terms of the LaTeX Project Public %% License, as described in lppl.txt in the base LaTeX distribution. %% Either version 1.3c or, at your option, any later version. %% %% The latest version of this license is in %% %% http://www.latex-project.org/lppl.txt %% %% and version 1.3c or later is part of all distributions of LaTeX %% version 2005/12/01 or later. The LaTeX Colour and Graphics Packages ======================================== This is a collection of LaTeX packages for: * producing colour * including graphics (eg PostScript) files * rotation and scaling of text in LaTeX documents. ======================================================================= THIS DIRECTORY CONTAINS ====================== README This File changes.txt Log of changes to the packages. graphics.ins Install file for ...
Title:Antifungal Proteins from Plant Latex. VOLUME: 21 ISSUE: 5. Author(s):Mayck Silva Barbosa, Bruna da Silva Souza, Ana Clara Silva Sales, Jhoana Darc Lopes de Sousa, Francisca Dayane Soares da Silva, Maria Gabriela Araújo Mendes, Káritta Raquel Lustoza da Costa, Taiane Maria de Oliveira, Tatiane Caroline Daboit and Jefferson Soares de Oliveira*. Affiliation:Laboratory of Biochemistry of Laticifer Plants, Federal University of Piauí, Campus Ministro Reis Velloso, Parnaíba-PI, Laboratory of Biochemistry of Laticifer Plants, Federal University of Piauí, Campus Ministro Reis Velloso, Parnaíba-PI, Laboratory of Biochemistry of Laticifer Plants, Federal University of Piauí, Campus Ministro Reis Velloso, Parnaíba-PI, Laboratory of Biochemistry of Laticifer Plants, Federal University of Piauí, Campus Ministro Reis Velloso, Parnaíba-PI, Laboratory of Biochemistry of Laticifer Plants, Federal University of Piauí, Campus Ministro Reis Velloso, Parnaíba-PI, Group of Advanced Studies in ...
A method of servicing a wellbore comprising preparing a cement slurry by premixing at least one latex, at least one stabilizer, and optionally water to form a homogeneous solution, further mixing the homogeneous solution with an ionic compound, cement, and optionally additional water to form the slurry, and placing the slurry in the wellbore. A method of stabilizing latex in cement slurry containing saltwater, comprising premixing the latex with a stabilizer until a homogenous solution forms prior to contacting the latex with the saltwater. A cement slurry comprising a latex, a stabilizer, a cement, an ionic compound, and water wherein the latex and stabilizer are contacted prior to contact of the latex with the ionic compound.
iTRAQ analysis of rubber latex proteins upon ethylene treatment.Peptides from D3, E3, D5 and E5 latex proteins were labeled with iTRAQ labeling reagents with mo
Hi, See http://www.lcdf.org/type/#mmtools for tools on how to make interpolated (single master) fonts from MM fonts. Youll still need to make TFMs (and possibly VFs) for use with TeX. But fontinst can used for this. Or afm2tfm. To get the AFM files necessary for doing so, you can use the mmafm tool from the above link. Regards, Tom On Tue, 6 Jul 1999, Professor Wei-Chau Xie wrote: , Date: Tue, 06 Jul 1999 19:56:38 -0400 , From: Professor Wei-Chau Xie ,[email protected], , To: [email protected] , Cc: [email protected] , Subject: Installing MinionMM for LaTeX , , Dear Colleagues: , , I have purchased Adobe MinionMM font and Adobe Type Manager Deluxe 4.0, , hoping that I could install MinionMM font for LaTeX. I have TeX Live 4 , implementation of LaTeX on my system (Windows 95); all the files needed , for latex are in proper places and I could latex a sample file , correctly. , , To run dvips, I need pfb files, such as pmnr8a.pfb, as specified in , psfonts.map. The book The LaTeX Graphics ...
TY - JOUR. T1 - Electrochemical properties and stability of emulsifier-free polystyrene latexes in 1 : 1 electrolyte solutions. AU - Pripisnova, V. A.. AU - Ermakova, L. E.. AU - Golikova, E. V.. AU - Menshikova, A. Yu.. AU - Sidorova, M. P.. PY - 2009. Y1 - 2009. M3 - статья. VL - 71. SP - 534. EP - 540. JO - Colloid Journal of the Russian Academy of Sciences: Kolloidnyi Zhurnal. JF - Colloid Journal of the Russian Academy of Sciences: Kolloidnyi Zhurnal. SN - 1061-933X. IS - 4. ER - ...
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TY - JOUR. T1 - DNA-carrying latex particles for DNA diagnosis 2. Distinction of normal and point mutant DNA using S1 nuclease. AU - Hatakeyama, M.. AU - Nakamura, K.. AU - Iwato, S.. AU - Handa, H.. AU - Fujimoto, K.. AU - Kawaguchi, H.. N1 - Funding Information: This work was supportedb y the Grant-in-Aid for ScientificR esearcho n Priority Areas, New Polymersa nd Their Nano-OrganizedS ystems (no. 277/08246246)f rom the ministry of Education, Science, Sports and Culture, the ResearchG rant from Keio University,a nd the SasakawaS cientific ResearchG rant from the Japan ScienceS ociety.T he authorsa cknowledge themg ratefully.. PY - 1998/2/15. Y1 - 1998/2/15. N2 - In our previous paper, we reported a DNA diagnosis system in which fully complementary DNA was selectively hybridized with a DNA immobilized on latex particles but one-point mutant DNA was not. The system, however, included a few disadvantages. To overcome them, a single-strand DNA cleaving enzyme (S1 nuclease) was used in this ...
PERLTEX , , By Scott Pakin, [email protected] , +------------------------------------+ Description ----------- PerlTeX is a combination Perl script (perltex.pl) and LaTeX2e style file (perltex.sty) that, together, give the user the ability to define LaTeX macros in terms of Perl code. Once defined, a Perl macro becomes indistinguishable from any other LaTeX macro. PerlTeX thereby combines LaTeXs typesetting power with Perls programmability. Installation ------------ In case its not obvious, youll need a Perl installation. Perl is freely available and runs on dozens of platforms. See the list of Perl binary distributions on CPAN (http://www.cpan.org/ports/index.html). Execute latex perltex.ins to generate perltex.sty and perltex.pl. Install perltex.sty in an appropriate directory (e.g., /usr/local/share/texmf/tex/latex/misc or C:\localtexmf\tex\latex\misc). perltex.pl is a Perl script. On Unix, you may want to rename it to just perltex and set execute permissions (chmod +x perltex). On ...
Background: Latex is a relevant occupational and environmental allergen, strongly related to the extensive use of natural rubber products. Objectives: Threshold Limit Values have to be identified, as well as biocompatible materials in order to avoid sensitization or appearance of allergic symptoms. Methods: In this paper we consider the main methods, which have been used to detecting latex allergens for environmental monitoring of airborne and latex products. Results: We report our experience in such afield, and our approach to the latex problem, suggesting that quantification of allergens, which is currently applicable according to well standardized methods, should be adopted by manufacturers, agency and consumer organization.. ...
Educational materials and lists of non-latex products for home and medical/dental can be obtained from American Latex Allergy Association (1-888-97-ALERT or www.latexallergyresources.org). Non-latex products for the home may also be purchased through a variety of resources-see list below. For those latex sensitive individuals who require nonsterile latex-free gloves, they can use vinyl gloves. If protection from potential HIV exposure is required, non-latex gloves that have optimal barrier protection can be obtained from the following sources: Allerderm 1-800-365-6868 www.allerderm.com Ansell, Ltd. 1-800-321-9752 www.ansell.com Best Glove 1-800-241-0323 www.bestglove.com ...
Over-time latex gaskets will break. Lucky for you repairing a latex gasket is quite easy. Here is a DIY guide on how to repair your latex wrist gasket. Materials Needed Denatured alcohol, a mold (PVC, a large can of soup, mason jar), Aquaseal, scissors, masking tape, latex wrist gasket, latex gloves, and a clamp. 1.
A significant number of people currently have latex allergies. In fact, according to WebMD.com, approximately 10% of healthcare workers in the United States have had an allergic reaction to latex gloves. The term latex refers to rubber tree sap which
TY - JOUR. T1 - Human dermal fibroblast proliferation controlled by surface roughness of two-component nanostructured latex polymer coatings. AU - Rosqvist, Emil. AU - Niemelä, Erik. AU - Poonthuruthikudy Venu, Arun. AU - Kummala, Ruut. AU - Ihalainen, Petri. AU - Toivakka, Martti. AU - Eriksson, John. AU - Peltonen, Jouko. N1 - 24 mån embargo. PY - 2019. Y1 - 2019. N2 - In this study hierarchically-structured latex polymer coatings and self-supporting films were characterised and their suitability for cell growth studies was tested with Human Dermal Fibroblasts (HDF). Latex can be coated or printed on rigid or flexible substrates thus enabling high-throughput fabrication. Here, coverslip glass substrates were coated with blends of two different aqueous latex dispersions: hydrophobic polystyrene (PS) and hydrophilic carboxylated acrylonitrile butadiene styrene (ABS). The nanostructured morphology and topography of the latex films was controlled by varying the mixing ratio of the components in ...
Abstract : The enzymatic properties of Plumeria rubra latex have been evaluated for the first time, showing a high activity in both hydrolysis and synthesis reactions, and compared to the biocatalytic behavior of babaco (Vasconcellea x Heilbornii cv.) latex. Both biocatalysts have been optimized by studying the various parameters that influence reaction kinetics. The optimum temperatures for hydrolysis reactions were 50 and 55°C for babaco and Plumeria, respectively. The optimum pH for babaco latex was 7, whereas for Plumeria latex, two optimal pH values (4 and 7) were observed. With regard to esterification and acyl transfer reactions such as alcoholysis and interesterification, the influence of thermodynamic water activity on reaction yields was determined and correlated with water sorption and desorption isotherms. When babaco latex is used as a biocatalyst, optimal synthesis reaction yields are obtained when the enzymatic extract is stabilized at a water activity value of 0.38, which ...
The prevention of latex inversion in saltwater cement compositions for use in subterranean formations by inclusion of a combination of latex stabilizers and associated methods of cementing. Saltwater cement compositions comprising saltwater, a cement, a latex, a first latex stabilizer comprising a surfactant having the formula: R-O-(OCH2CH2)mXM wherein R is an alkyl group having in the range of from about 10 carbons to about 20 carbons, m is an integer in the range of from about 10 to about 40, X is OSO3 or SO3, and M is a compatible cation, and a second latex stabilizer comprising an alcohol ether sulfate having the formula: R1-O-(OCH2CH2)nOSO3M wherein R1 is an alkyl group having in the range of from about 4 carbons to about 12 carbons, n is an integer in the range of from about 1 to about 10, and M is a compatible cation.
On 2012-02-07 at 19:06:12 +0100, Karel wrote: , , This is TeX, Version 3.1415926 (MiKTeX 2.9) (preloaded format=tex , , 2012.2.7) 7 FEB 2012 10:28 , , **mp632087.tex , Maybe version 1.504 of MP does not write the texfile correctly. , Try to look in the corresponding file (you will find its name in , the log file), if %&latex would not be at the first line, then , perhaps try to find older MikTeX version of MP (1.212 works fine, , I hope). Which program actually evaluates the %&latex line? , , This is TeX, Version 3.1415926 (MiKTeX 2.9) (preloaded format=tex , , 2012.2.7) 7 FEB 2012 10:28 , , **mp632087.tex This is obviously Knuths TeX but the LaTeX format requires pdftex. I dont think the %&latex line can work here. A better solution is to make etex the default engine. Its built upon pdftex too. In TeX Live etex is the default engine indeed. When I remove the %&latex line, I get This is pdfTeX, Version 3.1415926-2.3-1.40.12 (TeX Live 2011) (format=etex 2012.1.16) 7 FEB 2012 20:39 entering ...
3. (a) [latex]\text{P}_4(s)\;+\;4\text{Al}(s)\;{\longrightarrow}\;4\text{AlP}(s)[/latex]; (b) [latex]\text{P}_4(s)\;+\;12\text{Na}(s)\;{\longrightarrow}\;4\text{Na}_3\text{P}(s)[/latex]; (c) [latex]\text{P}_4(s)\;+\;10\text{F}_2(g)\;{\longrightarrow}\;4\text{PF}_5(l)[/latex]; (d) [latex]\text{P}_4(s)\;+\;6\text{Cl}_2(g)\;{\longrightarrow}\;4\text{PCl}_3(l)\;\text{or}\;\text{P}_4(s)\;+\;10\text{Cl}_2(g)\;{\longrightarrow}\;4\text{PCl}_5(l)[/latex]; (e) [latex]\text{P}_4(s)\;+\;3\text{O}_2(g)\;{\longrightarrow}\;\text{P}_4\text{O}_6(s)\;\text{or}\;\text{P}_4(s)\;+\;5\text{O}_2(g)\;{\longrightarrow}\;\text{P}_4\text{O}_{10}(s)[/latex]; (f) [latex]\text{P}_4\text{O}_6(s)\;+\;2\text{O}_2(g)\;{\longrightarrow}\;\text{P}_4\text{O}_{10}(s)[/latex]. 5. 291 mL. 7. 28 tons. 9. (a ...
A Latex Mattress from PlushBeds offers the highest quality latex available. Enjoy a 100% natural latex mattress with an organic cotton cover and 5 star ratings.
Allows contact with food. Thickness 0,1 mm. Reinforced border. Box of 100 gloves. Sizes 6, 7, 8, 9 ( need to be mentioned). Nitrile: The perfect alternative in case of latex allergy. Extremely solid ( up to 3 times stronger than latex). Powdered inside. Length 24,5 cm. Vinyl: Dirty work, labs. Powdered inside. Length 24 cm. White. Latex: Good resistance against ruptures, comfortable, ideal for difficult actions. 2 models: powdered white , length 23 cm, non powdered green length 24,5 cm.
Looking for Isonandra Gutta? Find out information about Isonandra Gutta. natural latex latex, emulsion of a polymer in water . Natural latexes are produced by a number of plants, are usually white in color, and often contain, in... Explanation of Isonandra Gutta
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The decibel level of a sound having the threshold intensity of[latex]\boldsymbol{10^{-12}\textbf{ W/m}^2}[/latex]is[latex]\boldsymbol{\beta=0\textbf{dB}},[/latex]because[latex]\boldsymbol{\textbf{log}_{10}1=0}.[/latex]That is, the threshold of hearing is 0 decibels. Table 2 gives levels in decibels and intensities in watts per meter squared for some familiar sounds.. One of the more striking things about the intensities in Table 2 is that the intensity in watts per meter squared is quite small for most sounds. The ear is sensitive to as little as a trillionth of a watt per meter squared-even more impressive when you realize that the area of the eardrum is only about[latex]\boldsymbol{1\textbf{ cm}^2},[/latex]so that only[latex]\boldsymbol{10^{-16}}[/latex]W falls on it at the threshold of hearing! Air molecules in a sound wave of this intensity vibrate over a distance of less than one molecular diameter, and the gauge pressures involved are less ...