Relevant bibliographies by topics / Potassium oxalate

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Potassium oxalate'

Author: Grafiati
Published: 4 June 2021
Last updated: 4 February 2022

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Journal articles on the topic "Potassium oxalate"

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NÖLTING, COMMUNICATION FROM E. "ON POTASSIUM - ANTIMONY - OXALATE (OXALATE OF ANTIMONY)." Journal of the Society of Dyers and Colourists 1, no. 12 (October 22, 2008): 266. http://dx.doi.org/10.1111/j.1478-4408.1885.tb00010.x.

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Hind, A. R., S. K. Bhargava, W. Van Bronswijk, S. C. Grocott, and S. L. Eyer. "On the Aqueous Vibrational Spectra of Alkali Metal Oxalates." Applied Spectroscopy 52, no. 5 (May 1998): 683–91. http://dx.doi.org/10.1366/0003702981944355.

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Fourier transform infrared attenuated total reflectance and Fourier transform Raman spectra of the series of aqueous alkali metal oxalates—lithium oxalate (Li2C2O4), sodium oxalate (Na2C2O4), potassium oxalate (K2C2O4), rubidium oxalate (Rb2C2O4), and cesium oxalate (Cs2C2O4)—are presented for the first time. Fourier transform Raman spectra of the solid oxalates are also presented for the first time. The solid and aqueous oxalate ions are assumed to possess D2 h and D2 d symmetry, respectively, and the assignment of fundamental vibrational modes is made accordingly. The effect of increasing alkali metal ion concentration on the aqueous spectra of these oxalates is also reported. Spectral changes are explained in terms of the ability of the respective alkali metal cations to interact with the oxalate anion in solution. It is proposed that these differences arise because the alkali metal cations associate with the aqueous oxalate anions to varying degrees, depending upon the nature of the cation. The extent of the binding is found to decrease down the alkali metal series (Li > Na > K > Rb > Cs). Similar results obtained for the tetramethylammonium cation [(CH3)4N+] suggest that it is a softer cation than cesium.
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Sun, Ya-Guang, Mei-yan Guo, Gang Xiong, Bing Jiang, and Lei Wang. "Potassium aquaterbium(III) oxalate sulfate." Acta Crystallographica Section E Structure Reports Online 65, no. 7 (June 6, 2009): i48. http://dx.doi.org/10.1107/s1600536809019679.

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Miao, Jinmin, Ping Fang, Sahota Jagdeep, and Haibo Ge. "Palladium-catalyzed decarboxylative alkoxycarbonylation of potassium aryltrifluoroborates with potassium oxalate monoesters." Organic Chemistry Frontiers 3, no. 2 (2016): 243–50. http://dx.doi.org/10.1039/c5qo00349k.

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Muraleedharan, Karuvanthodi, and Labeeb Pasha. "Thermal decomposition of potassium titanium oxalate." Journal of the Serbian Chemical Society 76, no. 7 (2011): 1015–26. http://dx.doi.org/10.2298/jsc100615083m.

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The thermal decomposition of potassium titanium oxalate (PTO) was studied using non-isothermal thermogravimetry at different heating rates under a nitrogen atmosphere. The thermal decomposition of PTO proceeds mainly through five stages forming potassium titanate. The theoretical and experimental mass loss data are in good agreement for all stages of the thermal decomposition of PTO. The third thermal decomposition stage of PTO, the combined elimination of carbon monoxide and carbon dioxide, were subjected to kinetic analyses both by the method of model fitting and by the model free approach, which is based on the isoconversional principle. The model free analyses showed that the combined elimination of carbon monoxide and carbon dioxide and formation of final titanate in the thermal decomposition of PTO proceeds through a single step with an activation energy value of about 315 kJ mol-1.
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Lynch, Michael C., Roland Perfekt, James A. McGuire, Jeffery Milleman, John Gallob, Pejmon Amini, and Kimberly Milleman. "Potassium oxalate mouthrinse reduces dentinal hypersensitivity." Journal of the American Dental Association 149, no. 7 (July 2018): 608–18. http://dx.doi.org/10.1016/j.adaj.2018.02.027.

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Williams, M. Coburn, Burton J. Smith, and Lopez V. Rafael. "Effect of Nitrogen, Sodium, and Potassium on Nitrate and Oxalate Concentration in Kikuyugrass." Weed Technology 5, no. 3 (September 1991): 553–56. http://dx.doi.org/10.1017/s0890037x00027317.

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Kikuyugrass was analyzed for nitrate (expressed as KNO3) and soluble oxalate concentration after it was grown for 8 wk in nutrient solution supplemented with KCl, NaCl, or NH4NO3; fertilized in the greenhouse with urea and KNO3 at 112 kg N ha-1; and fertilized in the field in Hawaii and Panama with urea at 56 and 112 kg N ha-1. Both treated and untreated kikuyugrass grown in nutrient solution contained toxic levels of nitrates and soluble oxalates. Plants treated with urea in the greenhouse contained 0.4% nitrate (nontoxic) 72 h after treatment whereas those treated with KNO3 contained 2.36% nitrate (highly toxic). Fertilization of kikuyugrass with urea in Panama and Hawaii did not significantly affect soluble oxalate concentration, but nitrate concentration increased to potentially lethal levels (over 1.5% as KNO3, dry wt) in plants from Hawaii.
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Anderson, Chad J., Gerard Kugel, Yuanshu Zou, Marco Ferrari, and Robert Gerlach. "A randomized, controlled, two-month pilot trial of stannous fluoride dentifrice versus sodium fluoride dentifrice after oxalate treatment for dentinal hypersensitivity." Clinical Oral Investigations 24, no. 11 (May 10, 2020): 4043–49. http://dx.doi.org/10.1007/s00784-020-03275-8.

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Abstract Objectives To compare the effects of a stannous fluoride dentifrice and a sodium fluoride dentifrice on dentinal hypersensitivity when used with an oxalate-based regimen combining in-office and at-home treatment. Materials and methods In this single-center, randomized, controlled, double-blind, pilot clinical trial, 30 subjects were professionally treated at baseline with a 3% oxalate/potassium salt solution on up to two target teeth, then randomized 1:1 to either 0.454% stannous fluoride or 0.243% sodium fluoride overlabeled dentifrice. Both groups were given 6 sensitivity strips (3.14% potassium oxalate gel) and a soft, manual toothbrush. Subjects were permitted to apply strips on up to two teeth, up to three times per tooth, at home as desired throughout the study. Dentinal sensitivity (cold air blast challenge) was assessed at baseline, immediately after post-professional treatment, and at day 60 using the Schiff scale and a Visual Analog Scale (VAS). Results Immediately after professional oxalate treatment, the overall mean Schiff and VAS score decreased 25.6% and 22.4% from baseline, respectively (p ≤ 0.001 for both). At day 60, further reductions in both mean scores were seen in both groups. There were no significant differences between the groups at day 60. All treatments were well tolerated. Conclusions In subjects treated with oxalates for dentinal hypersensitivity, both stannous fluoride and sodium fluoride dentifrices are well tolerated, are feasible for routine use, and do not detract from the desensitizing effects of an in-office and at-home oxalate combination treatment regimen. Clinical relevance Either stannous fluoride or sodium fluoride dentifrices can be recommended to dentinal hypersensitivity patients who undergo professional oxalate treatment.
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Freel, Robert W., Marguerite Hatch, and N. D. Vaziri. "Conductive pathways for chloride and oxalate in rabbit ileal brush-border membrane vesicles." American Journal of Physiology-Cell Physiology 275, no. 3 (September 1, 1998): C748—C757. http://dx.doi.org/10.1152/ajpcell.1998.275.3.c748.

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To evaluate the possibility that an apical membrane conductive pathway for oxalate is present in the rabbit distal ileum, we studied oxalate ([14C]oxalate) and chloride (36Cl) uptake into brush-border membrane vesicles enriched 15- to 18-fold in sucrase activity. Voltage-sensitive pathways for oxalate and chloride were identified by the stimulation of uptake provided by an inwardly directed potassium diffusion potential in the presence of valinomycin. Additionally, outwardly directed oxalate (or chloride) gradients stimulated [14C]oxalate (or36Cl) uptake to a greater degree in the absence of valinomycin (when intracellular and extracellular potassium are equal) than in the presence of valinomycin. Voltage-dependent anion uptake was poorly saturable: apparent affinity constants were 141 ± 17 and 126 ± 8 mM for chloride and oxalate, respectively. Activation energies for the voltage-dependent uptake processes were low: 4.7 and 6.3 kcal/mol for chloride and oxalate, respectively. Sensitivity profiles of voltage-dependent chloride and oxalate uptake to anion transport inhibitors were similar. We conclude that an anion conductance is present in the apical membranes of ileal enterocytes and that this conductance is a candidate pathway for oxalate efflux from the enterocyte during transepithelial oxalate secretion.
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Silva, SMA, J. Malacarne-Zanon, RM Carvalho, MC Alves, MF De Goes, A. Anido-Anido, and MR Carrilho. "Effects of Potassium Oxalate on Knoop Hardness of Etch-and-Rinse Adhesives." Operative Dentistry 37, no. 4 (July 1, 2012): 356–62. http://dx.doi.org/10.2341/09-228-l.

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SUMMARY The objective of this study was to determine whether the hardness of etch-and-rinse adhesives may be affected by the pretreatment of acid-etched dentin with potassium oxalate desensitizer. Unerupted human third molars were cut into crown segments by removing the occlusal enamel and roots. The pulp chamber of these crown segments was connected to a syringe barrel filled with phosphate-buffered saline so that the moisture of dentin was maintained during the bonding procedures. Three etch-and-rinse adhesives—two two-step systems (Adper Single Bond 2 [SB], One-Step [OS]) and one three-step system (Adper Scotchbond Multi-Purpose [MP])—were applied to acid-etched dentin that had been treated (experimental groups) or not (control groups) with potassium oxalate (BisBlock). The Knoop hardness (KHN) of adhesives was taken at different sites of the outer surface of the adhesive-bonded dentin. The KHN of the three tested adhesives applied to acid-etched dentin treated with potassium oxalate was significantly lower than that exhibited by the respective controls (not treated with oxalate; p<0.05). Regardless of the adhesive, the treatment with potassium oxalate reduced the adhesives' KHN (p<0.05), with the OS system exhibiting the lowest KHN compared with the MP and SB systems.
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Dissertations / Theses on the topic "Potassium oxalate"

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Bastien, Samuel. "Selective chemical stripping of titanium aluminum nitride coating from titanium substrate using hydrogen peroxide and potassium oxalate." Thesis, McGill University, 2012. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=110474.

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Titanium Aluminum Nitride (TiAlN) is an important industrial coating that improves hardness and corrosion resistance. The objective of the present work is to develop chemical methods which selectively remove TiAlN coatings deposited on Titanium substrates. The selected stripping solution consists of hydrogen perox¬ide (H2O2) and potassium oxalate (K2C2O4). Coupons of Ti-6-4 coated with a notional 10 micron thick coating of TiAlN were exposed to a stripping solution at varying temperature and compositions. Overall, it was found that increasing the temperature of reaction or the concentration of reactants led to an increase in stripping rate of the coating and substrate. The selectivity also increased with an increase in tempera¬ture or potassium oxalate concentration, but decreased with an increase in hydrogen peroxide concentration. The highest stripping rate that was obtained for the coating was of 39 µm/hr at a tempe¬rature of 75oC, a concentration of hydrogen peroxide of 5.9 mol/L and a potassium oxalate concentra¬tion of 0.226 mol/L. At the same conditions, uncoated samples were found to be stripped at a rate of 6.6 µm/hr. The best selectivity that was obtained was of 6.8, at a potassium oxalate concentra¬tion of 0.226 mol/L, a hydrogen peroxide concentration of 4.4 mol/L and a 75oC temperature. It was also found that the ratio of Ti:Al in the coating had a major effect on its chemical resistance to H2O2 and K2C2O4 mixtures.
Titanium Aluminum Nitride (TiAlN) est un revêtement industriel important puisqu'il améliore la dureté et la résistance à la corrosion. L'objectif de ce travail est de développer des techniques chimiques qui enlèvent de façon sé¬lective des revêtements de TiAlN déposés sur des substrats de Titane. La solution chimique sélection¬née consiste de peroxyde d'hydrogène (H2O2) et d'oxalate de potassium (K2C2O4). Des échantillons de Ti-6-4 couverts d'une couche de TiAlN d'une épaisseur notionnelle de 10 micromètres ont été exposés à plusieurs solutions chimiques avec des températures et concentrations variées. De façon générale, nous avons trouvé que si on augmentait la température de la réaction ou la concentration des réactants, cela faisait augmenter les vitesses de dégradation du revêtement et du substrat. La sélectivité augmentait aussi avec une hausse de la température ou de la concentration d'oxalate de potassium, mais diminuait avec une hausse de la concentration de peroxyde d'hydrogène. La plus haute vitesse de dissolution du revêtement qui a été obtenue était de 39 µm/hr à une température de 75oC, une concentration de peroxyde d'hydrogène de 5.9 mol/L et une concentration d'oxalate de potassium de 0.226 mol/L. À des conditions similaires, le substrat se dissolvait à une vitesse de 6.6 µm/hr. La meilleure sélectivité obtenue était de 6.8, à une concentration d'oxalate de potassium de 0.226 mol/L, une concentration de peroxyde d'hydrogène de 4.4 mol/L et une température de 75oC. Nous avons aussi trouvé que le ratio de Ti:Al dans le revêtement a un impact majeur sur sa résistance chimique aux solutions de H2O2 et de K2C2O4.
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Silva, Safira Marques de Andrade e. "Avaliação in vitro dos efeitos da aplicação de sistemas adesivos, do oxalato de potássio, ou a combinação de ambos, na permeabilidade dentinária." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/25/25131/tde-09022007-101521/.

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A tendência atual de simplificação de sistemas adesivos transformou-os em polímeros altamente hidrofílicos e prontamente susceptíveis à permeação de água através de sua estrutura. Estudos recentes têm demonstrado que os sistemas adesivos simplificados se comportam como membranas semipermeáveis, permitindo o movimento de fluidos através da sua estrutura. Soluções a base de oxalato de potássio são efetivos agentes de redução da condutividade hidráulica dentinária. Quando são aplicados na dentina após o condicionamento ácido, podem ser utilizados em associação com os sistemas adesivos sem o comprometimento da adesão. Este trabalho objetivou avaliar os efeitos dos sistemas adesivos AdheSE, One Up Bond F e Single Bond, associados ou não a uma solução a base de oxalato de potássio, na condutividade hidráulica da dentina. Foram realizados preparos de coroas totais em terceiros molares humanos que tiveram suas raízes secionadas e a polpa coronária removida. Os segmentos coronários obtidos foram conectados ao ?Medidor de Fluxo? (Flodec?System, De marco Engineering, Switzerland). A condutividade hidráulica dos espécimes foi mensurada antes e após a aplicação dos sistemas adesivos Single Bond -3M ESPE, One UP Bond F -Tokuyama Inc, AdheSe- Ivoclar- Vivadent. Os adesivos foram aplicados seguindo as recomendações do fabricante (grupos SBF, ADF e OBF), de forma experimental (grupos ADE e OBE), e em combinação com uma solução a base de oxalato de potássio (grupos SBO, ADO e OBO). Cada espécime teve seu valor de permeabilidade original ( smear layer) e máxima (após condicionamento ácido) medidos anteriormente, os quais serviram como parâmetros para o cálculo das respectivas alterações frente aos tratamentos, expressas em porcentagem. Após a determinação da condutividade hidráulica, os preparos foram moldados para obtenção de réplicas em resina, as quais foram examinadas em MEV (JEOL 2800, Japão) para qualificar a permeação de fluido através do adesivo. A Análise de variância a 2 critérios mostrou que apesar dos procedimentos adesivos causarem uma redução significante (p< 0.05) na condutividade hidráulica da dentina condicionada, nenhum foi capaz de eliminar completamente a passagem de fluidos através do adesivo polimerizado. Para os três adesivos testados, o tratamento com o oxalato de potássio foi o tratamento mais eficaz na redução da permeabilidade dentinária e esta diferença foi estatisticamente significante quando comparada aos outros tratamentos (p<0,05). Não houve diferença entre os três sistemas adesivos estudados com relação à redução da permeabilidade dentinária (p> 0,05). A análise das réplicas em MEV mostrou que mesmo após a polimerização do adesivo, a transudação de fluidos pôde ser identificada na superfície de todas réplicas examinadas. Nenhum dos sistemas adesivos testados foi capaz de eliminar a permeação de fluidos através da dentina, contudo a associação destes adesivos com uma solução a base de oxalato de potássio reduziu de forma significante a permeabilidade dentinária.
There is an ongoing trend to move away from classical multi-component bonding systems toward simplified adhesives. An immediate consequence of adhesive simplification is the intrinsic permeability to water that result from their increase in hydrophilicity. Current studies have demonstrated that single-step adhesives may act as semi-permeable membranes that allow water diffusion through its structure. Oxalate desensitizers are effective in reducing the hydraulic conductance of dentin. When oxalates are used after acid- etching they do not interfere with subsequent resin bonding. The objective of this study was to test the effects of adhesives systems with or without the application of an oxalate desensitizer on dentin permeability. Crown preparations were made from human extracted teeth. After the roots were sectioned and the coronal pulp removed, the crown segments were connected to an automatic flow-recording device (Flodec-System, De Marco Engineering, Switzerland). Fluid conductance was measured before and after the bonding procedures with the adhesives Single Bond -3M ESPE, One UP Bond F -Tokuyama Inc and AdheSe- Ivoclar Vivadent. Specimens were prepared and tested after the surface had been bonded according to manufacturer?s instructions (SBF,ADF and OBF groups) , in a experimental way (ADE and OBE groups) or integrating with a oxalate desensitizer gel (SBO, ADO and OBO groups). For each specimen, fluid flow across the smear-layer and bonded dentin was expressed as a percentage of acidetched dentin, which was assigned a value of 100% flow rate. After the hydraulic conductance measures, impressions were taken from the crown segments and epoxy resin replicas were produced for SEM examination. Two-Way ANOVA reveled that the adhesive systems reduced dentin permeability significantly (p< 0.05) compared to acid etched dentin, but no bonding system was able to eliminate the fluid flow though dentin. For the three bonding systems tested, treating the acid-etched dentin with potassium oxalate prior to the application of the adhesive was the most effective in reducing the hydraulic conductance of the specimens, and this difference was significant (p< 0.05) when comparing to the other treatments. There were no significant differences among the adhesives in their ability to reduce dentin permeability (p> 0.05). SEM micrographs of resin replicas showed that transudation of dentinal fluid droplets could be identified on the surfaces of all replicas examined.
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Canova, Giovana Calicchio. "Estudo in vitro do efeito de agentes anti-hiperestésicos na permeabilidade dentinária por meio de testes de condutividade hidráulica e de espectroscopia de impedância eletroquímica." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/25/25138/tde-09112007-100638/.

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O objetivo do presente estudo foi quantificar, in vitro, a permeabilidade da dentina tratada com dois agentes anti-hiperestésicos à base de oxalato e um à base de fosfato de cálcio, por meio de testes de condutividade hidráulica e de espectroscopia de impedância eletroquímica e, ainda, determinar se espectroscopia de impedância eletroquímica pode ser considerada um método alternativo para avaliar a capacidade obstrutiva de agentes antihiperestésicos. Para o teste de condutividade hidráulica foram utilizados vinte quatro discos de dentina, obtidos de terceiros molares humanos extraídos, que foram divididos em três grupos de oito espécimes, correspondentes aos três materiais testados: gel Experimental, Sensi Kill e BisBlock. Outros dezoito discos foram selecionados para o teste de espectroscopia de impedância eletroquímica, sendo divididos em três grupos de seis espécimes, correspondentes aos três agentes anti-hiperestésicos citados anteriormente. Para ambos os testes as medidas foram realizadas nas seguintes condições: na presença de smear layer; após condicionamento com ácido fosfórico a 37% e após a aplicação dos materiais na superfície oclusal dos discos de dentina. Com base na análise estatística dos resultados, verificou-se, por meio dos dois métodos utilizados, que o gel Experimental e o BisBlock apresentaram efeitos estatisticamente semelhantes na redução da permeabilidade e foram significantemente mais eficientes que o Sensi Kill. Pode-se concluir que os agentes anti-hiperestésicos Experimental e BisBlock mostraram-se efetivos na redução da permeabilidade dentinária, pelos dois métodos de avaliação, e que o método de espectroscopia de impedância eletroquímica pode ser considerado um método alternativo para a avaliação da capacidade obstrutiva de agentes anti-hiperestésicos.
The aim of the present study was to quantify in vitro the dentin permeability of dentin treated with two potassium oxalate dentin desensitizers and one calcium phosphate agent through hydraulic conductance (Lp) and eletrochemical impedance spectroscopy (EIS) tests and, yet, to determine whether EIS may be considered a suitable alternative method to evaluate the occlusive capacity of the dentin desensitizers. For the hydraulic conductance, twenty-four dentin discs were obtained from extracted human third molars, which were divided into three groups of eight specimens, corresponding to the materials to be tested: Experimental gel, Sensi Kill and BisBlock. Other eighteen dentin discs were selected for theEIS and divided into three groups of six specimens corresponding to the three dentin desensitizers mentioned before. For both tests, the following conditions were measured: in the presence of smear layer, after 37% phosphoric acid etching and after the application of the tested materials in the occlusal surfaces of dentin discs. Based upon the statistical analysis of the results, it was demonstrated by both methods that Experimental gel and BisBlock performed statistically similarly in reducing dentin permeability and were significantly more efficient that Sensi Kill. It can be concluded that the dentin desensitizers Experimental e BisBlock were demonstrated to be effective in the reduction of dentin permeability by both experimental methods and that EIS may be considered as an alternative method for the evaluation of the obstructive capacity of dentin desensitizers.
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Bohjort, Emelie. "Method verification for homocysteine and a sustainability study on glucose, homocysteine and lactate in different sampling tubes." Thesis, Uppsala universitet, Institutionen för kvinnors och barns hälsa, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-296043.

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The pre-analytical phase is known for being the most important step in the laboratory process to reach reliable test results. If handling, transport or preparation of the sample is performed incorrectly the results can deviate from the true value. Today, sampling tubes contains various additives to stabilize concentration levels. The aim of this study was to test a new sampling tube containing fluoride/citrate for glucose, lactate and homocysteine. It was also of interest to evaluate the stability of those three analytes in lithium-heparin, sodium-fluoride/potassium oxalate and fluoride/citrate tubes. To perform the sustainability study, a method verification was done for homocysteine in plasma. The study was performed in a hospital laboratory on the routine instrument Roche Cobas 6000 analyzer. Blood was drawn from 20 patients and was analyzed at the hospital laboratory in Gävle. The blood samples were transported frozen to the laboratory in Hudiksvall and were used in the method verification. For the sustainability study, blood was drawn from 10 healthy volunteers in lithium-heparin, sodium-fluoride/potassium oxalate and fluoride/citrate tubes. The method verification was approved. The results showed that glucose was stable for up to 72 hours in Vacuette Glycaemia tube with fluoride/citrate and this tube also gave more accurate results. Lactate and homocysteine were also stable in fluoride/citrate, but needs further studies. All three analytes were more stable if the sample tubes were centrifuged as soon as possible after blood collection. Fluoride/citrate tubes were stable without centrifugation directly.
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Book chapters on the topic "Potassium oxalate"

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Holze, Rudolf. "Ionic conductance of potassium oxalate." In Electrochemistry, 1024–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49251-2_944.

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Holze, Rudolf. "Ionic conductance of potassium hydrogen oxalate." In Electrochemistry, 1081. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49251-2_982.

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Holze, Rudolf. "Ionic conductance of tungstic acid potassium oxalate." In Electrochemistry, 1748. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49251-2_1565.

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Hauser, W., G. Kunit, and J. Frick. "Five Years Experience with Oxalyt-CR (Sodium Potassium Citrate) in Calcium-Oxalate Stone Formers." In Urolithiasis, 847. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4899-0873-5_270.

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Hauser, W., W. Aulitzky, and J. Frick. "Long-Term Results of Sodium-Potassium Citrate Therapy (Oxalyt-CR) for Preventing Calcium Oxalate Stones." In Urolithiasis 2, 651. Boston, MA: Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2556-1_251.

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Shang, Rui. "Palladium-Catalyzed Decarboxylative Coupling of Potassium Oxalate Monoester with Aryl and Alkenyl Halides." In Springer Theses, 49–61. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-3193-9_2.

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Kauffman, George B., Davey Faoro, Joe Gliksman, and Jay H. Worrell. "Potassium cis -[Diaquabis(Oxalato)Chromate(III)] Dihydrate and Potassium trans -[Diaquabis(Oxalato)- Chromate(III)] Trihydrate." In Inorganic Syntheses, 147–52. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2007. http://dx.doi.org/10.1002/9780470132487.ch39.

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Bijsmans, Esther, Yann Quéau, and Vincent Biourge. "The efficacy of potassium chloride in decreasing calcium oxalate relative supersaturation in dogs and cats." In BSAVA Congress Proceedings 2020, 436. British Small Animal Veterinary Association, 2020. http://dx.doi.org/10.22233/9781910443774.60.2.

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Conference papers on the topic "Potassium oxalate"

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Yeneneh, Anteneh Mesfin, Murugesan Thanabalan, and Usama Mohamed Nour El Demerdash. "Biosorption of heavy metals by potassium hydrogen phosphate and sodium oxalate modified lignocellulosic waste." In 2011 National Postgraduate Conference (NPC). IEEE, 2011. http://dx.doi.org/10.1109/natpc.2011.6136285.

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Enouf, J., R. Breadux, N. Bourdeau, and S. Levy-Toledano. "EVIDENCE FOR TWO DIFFERENT Ca2+TRANSPORT SYSTEMS ASSOCIATED WITH PLASMA AND INTRACELLULAR HUMAN PLATELET MEMBRANES." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644490.

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Abstract:
The regulation of Ca2+ concentration in different cells involves two Ca2+ pumps. The presence of such mechanisms in human platelets is still controverted. We then investigated this question by using plasma and intracellular membranes obtained after simultaneous isolation by centrifugation ca 40% sucrose from a mixed 100,000 g membrane fraction.The Ca2+ uptake by the different membrane vesicles has been studied. Both membrane fractions took up Ca2+ and the Ca2+ transport systems exhibited a high affinity towards Ca 2+.However, the two associated Ca2+ transport systems showed a different time course and exhibited different oxalate sensitivity. The plasma membranes are not permeable to potassium oxalate, while the Ca2+ uptake was stimulated by potassium oxalate in intracellular membranes.Two Ca2+ activated ATPase activities are associated with the isolated membrane fractions and appeared different for the following parameters : 1) a different time course of the two enzyme activities; 2)a similar apparent affinity towards Ca2+ (10−7 M), though inhibition of the Ca2+ ATPase activity was only observed in intracellular membranes at 10−6 M Ca2+ ; 3)a different pH dependence with a maximum at pH 7 for the enzyme of intracellular membranes and pH 8 for the enzyme of plasma membranes; 4)a 10 fold difference in the ATP requirement of the enzymes, thus the maximal response was obtained with 20 uM for the intracellular membrane enzyme and with 200 uM for the plasma membrane enzyme ; 5) a different affinity for various nucleotides as energy donors with a higher specificity of the plasma membrane enzyme towards ATP ; 6) a different vanadate inhibition-dose reponse which did not exceed 60% for the plasma enzyme while it reached 100% for the intracellular enzyme.Taken together, these studies agree with the possible role of both a plasma membrane and a dense tubular system Ca2+ -ATPases in the regulation of Ca2+ concentration in human platelets.
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3

Werkelin, Johan, Maria Zevenhoven, Bengt-Johan Skrifvars, and Mikko Hupa. "Chemical Forms of Ash-Forming Matter in Woody Fuels for FBC." In 18th International Conference on Fluidized Bed Combustion. ASMEDC, 2005. http://dx.doi.org/10.1115/fbc2005-78128.

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The prediction of the ash behavior in combustion processes is enhanced by the determination of the ash-forming matter in the fuel. The scope of this work was to characterize Scandinavian wood fuels by studying the wood, bark and leaves from a spruce and an aspen. Chemical Fractionation, a step-wise leaching procedure that treat the fuel in water, ammonium acetate and hydrochloric acid, was used to determine the solubility of the ash elements. The resulting solutions were further analyzed on ionic species, which was coupled to the presence of salt compounds in the original biomass tissues. The leaching procedure dissolved nearly 100% of the ash-forming matter. The phosphorus (P), chlorine (Cl) and some of the sulfur (S) were readily leached with water and found present as HPO42−, SO42− and Cl− in the solutions. The simultaneous dissolving of potassium (K) in this step proved the presence of water soluble potassium salts in the biomasses. The remaining K after the water treatment and all magnesium (Mg) dissolved completely in the ammonium acetate step together with a large part of the tissues’ calcium (Ca) and manganese (Mn). The remaining Ca after the second step was leached in hydrochloric acid together with equivalent amounts of oxalate ions, C2O42−. This proved the presence of acid soluble calcium oxalate in the tissues, a salt with low solubility in neutral pH.
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