Relevant bibliographies by topics / ICP Method

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'ICP Method'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "ICP Method"

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WANG, ZiWei, XiaoJian ZHANG, SiJie YAN, and Xing DAI. "Sparse mixed ICP registration method." SCIENTIA SINICA Technologica 51, no. 7 (March 12, 2021): 837–49. http://dx.doi.org/10.1360/sst-2020-0287.

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Yu, Young-Ki, Ja-Myung Koo, Min-Soo Oh, and Il-Dong Yang. "Rail Profile Matching Method using ICP Algorithm." Transactions of The Korean Institute of Electrical Engineers 65, no. 5 (May 1, 2016): 888–94. http://dx.doi.org/10.5370/kiee.2016.65.5.888.

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Luciano, Mark G., Stephen M. Dombrowski, Sara Qvarlander, Serge El-Khoury, Jun Yang, Suraj Thyagaraj, and Francis Loth. "Novel method for dynamic control of intracranial pressure." Journal of Neurosurgery 126, no. 5 (May 2017): 1629–40. http://dx.doi.org/10.3171/2016.4.jns152457.

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OBJECTIntracranial pressure (ICP) pulsations are generally considered a passive result of the pulsatility of blood flow. Active experimental modification of ICP pulsations would allow investigation of potential active effects on blood and CSF flow and potentially create a new platform for the treatment of acute and chronic low blood flow states as well as a method of CSF substance clearance and delivery. This study presents a novel method and device for altering the ICP waveform via cardiac-gated volume changes.METHODSThe novel device used in this experiment (named Cadence) consists of a small air-filled inelastic balloon (approximately 1.0 ml) implanted into the intracranial space and connected to an external programmable pump, triggered by an R-wave detector. Balloons were implanted into the epidural space above 1 of the hemispheres of 19 canines for up to 10 hours. When activated, the balloons were programed to cyclically inflate with the cardiac cycle with variable delay, phase, and volume. The ICP response was measured in both hemispheres. Additionally, cerebral blood flow (heat diffusion and laser Doppler) was studied in 16 canines.RESULTSThis system, depending on the inflation pattern of the balloon, allowed a flattening of the ICP waveform, increase in the ICP waveform amplitude, or phase shift of the wave. This occurred with small mean ICP changes, typically around ± 2 mm Hg (15%). Bilateral ICP effects were observed with activation of the device: balloon inflation at each systole increased the systolic ICP pulse (up to 16 mm Hg, 1200%) and deflation at systole decreased or even inverted the systolic ICP pulse (−0.5 to −19 mm Hg, −5% to −1600%) in a dose-(balloon volume) dependent fashion. No aphysiological or deleterious effects on systemic pressure (≤ ±10 mm Hg; 13% change in mean pressure) or cardiac rate (≤ ± 17 beats per minute; 16% change) were observed during up to 4 hours of balloon activity.CONCLUSIONSThe results of these initial studies using an intracranially implanted, cardiac-gated, volume-oscillating balloon suggest the Cadence device can be used to modify ICP pulsations, without physiologically deleterious effects on mean ICP, systemic vascular effects, or brain injury. This device and technique may be used to study the role of ICP pulsatility in intracranial hemo- and hydrodynamic processes and introduces the creation of a potential platform of a cardiac-gated system for treatment of acute and chronic low blood flow states, and diseases requiring augmentation of CSF substance clearance or delivery.
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He, Shi Jun, Shi Ting Zhao, Fan Bai, and Jia Wei. "A Method for Spatial Data Registration Based on PCA-ICP Algorithm." Advanced Materials Research 718-720 (July 2013): 1033–36. http://dx.doi.org/10.4028/www.scientific.net/amr.718-720.1033.

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The spatial data which acquired by 3D laser scanning is huge, aiming at the iteration time is long with classic ICP algorithm, a improved registration algorithm of spatial data ICP algorithm which based on principal component analysis (PCA) is proposed in this paper (PCA-ICP), the basic principle and steps of PCA-ICP algorithm are given. The experiment results show that this method is feasible and the iterative time of PCA-ICP algorithm is shorter than classical ICP algorithm.
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Kienzler, Jenny C., Rolandas Zakelis, Sabrina Bäbler, Elke Remonda, Arminas Ragauskas, and Javier Fandino. "Validation of Noninvasive Absolute Intracranial Pressure Measurements in Traumatic Brain Injury and Intracranial Hemorrhage." Operative Neurosurgery 16, no. 2 (May 3, 2018): 186–96. http://dx.doi.org/10.1093/ons/opy088.

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Abstract BACKGROUND Increased intracranial pressure (ICP) causes secondary damage in traumatic brain injury (TBI), and intracranial hemorrhage (ICH). Current methods of ICP monitoring require surgery and carry risks of complications. OBJECTIVE To validate a new instrument for noninvasive ICP measurement by comparing values obtained from noninvasive measurements to those from commercial implantable devices through this pilot study. METHODS The ophthalmic artery (OA) served as a natural ICP sensor. ICP measurements obtained using noninvasive, self-calibrating device utilizing Doppler ultrasound to evaluate OA flow were compared to standard implantable ICP measurement probes. RESULTS A total of 78 simultaneous, paired, invasive, and noninvasive ICP measurements were obtained in 11 ICU patients over a 17-mo period with the diagnosis of TBI, SAH, or ICH. A total of 24 paired data points were initially excluded because of questions about data independence. Analysis of variance was performed first on the 54 remaining data points and then on the entire set of 78 data points. There was no difference between the 2 groups nor was there any correlation between type of sensor and the patient (F[10, 43] = 1.516, P = .167), or the accuracy and precision of noninvasive ICP measurements (F[1, 43] = 0.511, P = .479). Accuracy was [−1.130; 0.539] mm Hg (CL = 95%). Patient-specific calibration was not needed. Standard deviation (precision) was [1.632; 2.396] mm Hg (CL = 95%). No adverse events were encountered. CONCLUSION This pilot study revealed no significant differences between invasive and noninvasive ICP measurements (P < .05), suggesting that noninvasive ICP measurements obtained by this method are comparable and reliable.
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Behmanesh, Bedjan, Marco Bartels, Florian Gessler, Natalie Filmann, Volker Seifert, Matthias Setzer, and Thomas M. Freiman. "Noninvasive Transfontanelle Monitoring of the Intracerebral Pressure in Comparison With an Invasive Intradural Intracranial Pressure Device: A Prospective Study." Operative Neurosurgery 13, no. 5 (March 9, 2017): 609–13. http://dx.doi.org/10.1093/ons/opx024.

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Abstract BACKGROUND: We previously introduced a novel noninvasive technique of intracranial pressure (ICP) monitoring in children with open fontanelles. OBJECTIVE: To compare the ICP obtained by our new technique to the ICP derived from an intradurally implanted ICP measurement device (external ventricular drain, subdural ICP device). METHODS: Children with open fontanelles and need of intracranial monitoring were included in this study. A standard ICP probe was placed upon the frontal fontanelle and data were compared with the values recorded by an already invasively implanted subdural ICP technique. The 2 methods of ICP measurement were evaluated using the correlation coefficient, Bland and Altman method and method comparison by Carstensen. RESULTS: Five children under the age of 1 year with an open frontal fontanelle were included in this study. Three were male and 2 were female. Mean age was 7 months. A total of 139 pairs of measurements were assessed. Mean transfontanelle ICP was 7.6 mm Hg. Mean ICP measured subdurally was 5.4 mm Hg. The correlation analysis showed a correlation coefficient of 0.7. The Bland-Altman plot revealed a good accuracy of the new method with >95% of the values within the limits of agreement. An additional method comparison analysis confirmed the finding of accurate ICP measurements between both applied methods. CONCLUSION: The noninvasive transfontanelle ICP monitoring method displayed a high validity and reliability as proven by correlation analysis. This novel technique might therefore be an interesting and promising tool for noninvasive ICP monitoring in children. But further research is necessary to evaluate the accuracy of this technique in children with elevated ICP.
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Schmidt, Bernhard, Marek Czosnyka, Jens Jürgen Schwarze, Dirk Sander, Werner Gerstner, Christianto Benjamin Lumenta, John D. Pickard, and Jürgen Klingelhöfer. "Cerebral Vasodilatation Causing Acute Intracranial Hypertension: A Method for Noninvasive Assessment." Journal of Cerebral Blood Flow & Metabolism 19, no. 9 (September 1999): 990–96. http://dx.doi.org/10.1097/00004647-199909000-00006.

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Deep spontaneous vasodilatatory events are frequently recorded in various cerebral diseases, causing dramatic increases (A-waves) in intracranial pressure (ICP) and subsequently provoking ischemic brain insults, The relationship between fluctuations in CBF, ICP, and arterial blood pressure (ABP) is influenced by properties of cerebrovascular control mechanisms and the cerebrospinal pressure-volume compensation, The goal of this study was to construct a mathematical model of this relationship and to assess its ability to predict the occurrence and time course of A-waves, A group of 17 severely head-injured patients were included in the study, In our model ICP was derived from the ABP waveform using a linear signal transformation. The transformation was modified during the simulation by a relationship between ABP and flow velocity, i.e., by the characterization of the cerebrovascular bed. In this way the ICP could be calculated from the ABP waveform. This model was verified by comparison of simulated and directly measured ICP during A-waves recorded in seven of the patients. In all simulations, plateau elevations of ICP were well replicated. The mean absolute error between real and simulated ICP was 8.3 ± 5.4 mm Hg at the baseline and 7.9 ± 4.3 mm Hg at the top of plateau waves. The correlation coefficient between real and simulated increase in ICP was R = 0.98; P < .001. Similarly, correlation between real and simulated increase in pulse amplitude of ICP was highly significant (R = 0.94; P < .001). The mathematical model of the relationship between ABP, flow velocity, and ICP is of potential clinical use for the noninvasive detection of A-waves in patients in whom invasive ICP assessment is not conducted.
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Yan, Ying, Qi Xia, and Ke Wang. "Iterative Closest Point Method with a Least Trimmed Squares Estimator." Applied Mechanics and Materials 220-223 (November 2012): 1381–84. http://dx.doi.org/10.4028/www.scientific.net/amm.220-223.1381.

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The iterative closest point (ICP) method is one of the most important methods for 2D/3D point registration. Robust statistical method is applied widely for improving the robustness of ICP. A new method that incorporates the Least Trimmed Squares (LTS) Estimator into the ICP is proposed in this paper. In this method, outliers are removed according to characteristics of residual distribution. A large number of experimental results show that the proposed method is robust and efficient.
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Behrens, Anders, Niklas Lenfeldt, Khalid Ambarki, Jan Malm, Anders Eklund, and Lars-Owe Koskinen. "Transcranial Doppler Pulsatility Index: Not an Accurate Method to Assess Intracranial Pressure." Neurosurgery 66, no. 6 (June 1, 2010): 1050–57. http://dx.doi.org/10.1227/01.neu.0000369519.35932.f2.

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Abstract BACKGROUND Transcranial Doppler sonography (TCD) assessment of intracranial blood flow velocity has been suggested to accurately determine intracranial pressure (ICP). OBJECTIVE We attempted to validate this method in patients with communicating cerebrospinal fluid systems using predetermined pressure levels. METHODS Ten patients underwent a lumbar infusion test, applying 4 to 5 preset ICP levels. On each level, the pulsatility index (PI) in the middle cerebral artery was determined by measuring the blood flow velocity using TCD. ICP was simultaneously measured with an intraparenchymal sensor. ICP and PI were compared using correlation analysis. For further understanding of the ICP-PI relationship, a mathematical model of the intracranial dynamics was simulated using a computer. RESULTS The ICP-PI regression equation was based on data from 8 patients. For 2 patients, no audible Doppler signal was obtained. The equation was ICP = 23*PI + 14 (R2 = 0.22, P &lt; .01, N = 35). The 95% confidence interval for a mean ICP of 20 mm Hg was −3.8 to 43.8 mm Hg. Individually, the regression coefficients varied from 42 to 90 and the offsets from −32 to +3. The mathematical simulations suggest that variations in vessel compliance, autoregulation, and arterial pressure have a serious effect on the ICP-PI relationship. CONCLUSIONS The in vivo results show that PI is not a reliable predictor of ICP. Mathematical simulations indicate that this is caused by variations in physiological parameters.
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Ganslandt, Oliver, Stylianos Mourtzoukos, Andreas Stadlbauer, Björn Sommer, and Rudolf Rammensee. "Evaluation of a novel noninvasive ICP monitoring device in patients undergoing invasive ICP monitoring: preliminary results." Journal of Neurosurgery 128, no. 6 (June 2018): 1653–60. http://dx.doi.org/10.3171/2016.11.jns152268.

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OBJECTIVEThere is no established method of noninvasive intracranial pressure (NI-ICP) monitoring that can serve as an alternative to the gold standards of invasive monitoring with external ventricular drainage or intraparenchymal monitoring. In this study a new method of NI-ICP monitoring performed using algorithms to determine ICP based on acoustic properties of the brain was applied in patients undergoing invasive ICP (I-ICP) monitoring, and the results were analyzed.METHODSIn patients with traumatic brain injury and subarachnoid hemorrhage who were undergoing treatment in a neurocritical intensive care unit, the authors recorded ICP using the gold standard method of invasive external ventricular drainage or intraparenchymal monitoring. In addition, the authors simultaneously measured the ICP noninvasively with a device (the HS-1000) that uses advanced signal analysis algorithms for acoustic signals propagating through the cranium. To assess the accuracy of the NI-ICP method, data obtained using both I-ICP and NI-ICP monitoring methods were analyzed with MATLAB to determine the statistical significance of the differences between the ICP measurements obtained using NI-ICP and I-ICP monitoring.RESULTSData were collected in 14 patients, yielding 2543 data points of continuous parallel ICP values in recordings obtained from I-ICP and NI-ICP. Each of the 2 methods yielded the same number of data points. For measurements at the ≥ 17–mm Hg cutoff, which was arbitrarily chosen for this preliminary analysis, the sensitivity and specificity for the NI-ICP monitoring were found to be 0.7541 and 0.8887, respectively. Linear regression analysis indicated that there was a strong positive relationship between the measurements. Differential pressure between NI-ICP and I-ICP was within ± 3 mm Hg in 63% of data-paired readings and within ± 5 mm Hg in 85% of data-paired readings. The receiver operating characteristic–area under the curve analysis revealed that the area under the curve was 0.895, corresponding to the overall performance of NI-ICP monitoring in comparison with I-ICP monitoring.CONCLUSIONSThis study provides the first clinical data on the accuracy of the HS-1000 NI-ICP monitor, which uses advanced signal analysis algorithms to evaluate properties of acoustic signals traveling through the brain in patients undergoing I-ICP monitoring. The findings of this study highlight the capability of this NI-ICP device to accurately measure ICP noninvasively. Further studies should focus on clinical validation for elevated ICP values.
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Dissertations / Theses on the topic "ICP Method"

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Izmer, Andrei. "Method development using ICP-MS and LA-ICP-MS and their application in environmental and material science." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=981659799.

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Wintergerst, Mieke. "Detection of inositol phosphates with HPLC-ICP-AES : Method development." Thesis, Uppsala universitet, Analytisk kemi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-202003.

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Inositol phosphates (IPs) represent a major part of the organic phosphorus found in the environment, which makes their identification and quantification very important. The goal of this project was to explore the possibility of quantification of IPs with inductively coupled plasma - atomic emission spectrometry (ICP - AES). This paper deals with the creation of an in-house IP standard and the considerations for the successful linking of high performance liquid chromatography (HPLC) with ICP - AES. Experiments with different nebulizers, mobile phases, standard solutions and model substance were performed. The proposed optimal conditions for the ICP experiments are: the use of a modified Lichte nebulizer, mobile phase without methanol and the use of standards matched to the mobile phase. Adenosine monophosphate (AMP) was found to be a good model substance and showed that the band broadening from HPLC to ICP – AES was approximately a factor of 2. Limits of detection for AMP were 5 µM for HPLC and 20 µM for ICP – AES. The optimal way to create an in-house standard was using the potassium salt of IP6 and treating it for 90 minutes at a temperature of 120 ºC with 3.2 M acetic acid.
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SANTOS, EIDER FERNANDO ALVES DOS. "DEVELOPMENT OF A METHOD FOR MULTIELEMENTAL DETERMINATION IN BIODIESEL BY ICP-MS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2011. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=18855@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO
Os elementos de maior interesse no biodiesel são os resíduos de catálise do processo produtivo (Na e K), os delimitados por legislação ambiental vigente (S, por exemplo) e os elementos venenosos aos catalisadores automotivos (Pb, V, P e Hg); porém, pesquisas orientadas no sentido de produzir metodologias analíticas para a realização de determinações em biodiesel vêm buscando um mapeamento elementar mais completo do combustível. Técnicas como ICP OES, ICP-MS com célula de reação/colisão, FAAS, GFAAS têm sido usualmente empregadas em determinações diretas ou não, mas ainda existem combinações de preparo de amostra e técnica analítica a ser pesquisadas. O presente trabalho teve como objetivo a avaliação de um sistema de decomposição ácida de amostra de biodiesel, visando à decomposição ácida da maior quantidade possível de matéria orgânica presente na matriz e a consequente determinação em ICP-MS. O processo de decomposição ácida, avaliado pela concentração de carbono residual, determinado em ICP OES, não requer grandes quantidades nem de energia térmica e nem do agente oxidante e ainda permite, após processo de redução da matriz nítrica remanescente, uma determinação direta em ICP-MS utilizando padrões aquosos na confecção das curvas e sem a necessidade de célula de colisão/reação. Foram determinados Ag, Ba, Cu, Mn, Mo, Ni, Ti e Zn em amostras de biodiesel de 4 matérias-primas diferentes e em duas amostras certificadas de biodiesel (NIST) e, tanto os resultados de recuperação, que variaram entre 90 e 110 por cento, quanto o comparativo realizado com as metodologias por ICP OES, validaram os resultados.
Biodiesel appeared in this scenario as an alternative short-term, compatible with the current technologies and without the necessity of major modifications. The elements of greatest interest are the residue of catalyst of the production process (Na, K), those limited by environmental regulations (S) and those that act like poisons for the catalyst system of vehicles (Pb, V, P and Hg), but researches aimed to produce analytical methodologies for determinations in Biodiesel, have sought to achieve a multielement mapping of the fuel (Woods ET AL, 2007). Techniques like ICP OES, ICP-MS with reaction cell, FAAS, GFAAS have been usually used in direct or indirect determinations, but still there are combinations of sample preparation and analytical techniques to be studied. This present work sought to evaluate an analyzing system in ICP-MS after a digestion procedure looking for the minimal quantity of organic matter at the final sample. The preliminary results showed that the digestion process, evaluated by the concentration of residual carbon determined by ICP OES, it can be fast and does not require large amounts of energy and oxidizing agent. And still allow, after reducing the nitric matrix, the use of aqueous standards at the calibration curve. It was monitored Ag, Ba, Cu, Mn, Mo, Ni, Ti and Zn in 4 different sources of raw material for biodiesel, and the method was validated by the analysis of two NIST standards by the comparison with ICP OES results and by the recover results ranged between 90 and 110 per cent.
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SOUZA, JEFFERSON RODRIGUES DE. "METHOD DEVELOPMENT FOR THE DETERMINATION OF TOTAL SE BY ICP-MS AND ITS SPECIES BY HPLC-ICP-MS IN FOOD SUPPLEMENT AND IN ISOTOPICALLY ENRICHED YEAST." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2017. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=33733@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO
COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR
PROGRAMA DE SUPORTE À PÓS-GRADUAÇÃO DE INSTS. DE ENSINO
O consumo de suplementos alimentares tem apresentado um aumento significativo nos últimos anos principalmente pelo grande apelo desse produto em relação a complementação da dieta com elementos essenciais e a melhora e manutenção da saúde. A combinação do crescente consumo e o livre acesso a esse produto, aliado a ausência de fiscalização por parte dos órgãos governamentais torna seu consumo descontrolado, um potencial risco a saúde da população. Nesse cenário o desenvolvimento de métodos analíticos destinados ao controle de qualidade incluindo a determinação da concentração de selênio total e de suas espécies torna-se uma necessidade. Para isso, foram desenvolvidas metodologias para a quantificação de selênio total por ICP-MS e suas espécies inorgânicas (Se IV e Se VI) e selenometionina por HPLC-ICP-MS em amostras de suplementos alimentares enriquecidos em selênio e em amostra de levedura enriquecida isotopicamente em 78Se. A metodologia para determinação de selênio total, utilizando diferentes gases de reação, foi otimizada empregando planejamento experimental e os limites de detecção encontrados foram entre 0,01 mg kg(-1) (CH4) e 0,1 mg kg(-1) (NH3) e a concordância com o MRC Selm-1 de entre 99 por cento (NH3) e 104 por cento (CH4). Os resultados encontrados referentes à concentração de selênio nas amostras de suplementos alimentares apresentaram uma discrepância em relação ao valor informado no rótulo entre -29 por cento e +170 por cento e, de maneira complementar, o acoplamento do HPLC ao ICP-MS permitiu realizar a especiação de selênio nas amostras de suplemento alimentar. O emprego das técnicas ICP-MS, HPLC-ICP-MS e ESI-MS possibilitou a caracterização de uma amostra de levedura enriquecida isotopicamente em 78Se em termos de sua distribuição isotópica, concentração de selênio total e selenometionina bem como proteínas com peso molecular de aproximadamente 12 kDa.
The consumption of dietary supplements has a significant increase in recent years mainly for a great appeal of this product in relation to a complementation of the diet with essential elements and an improvement and maintenance of health. The combination of increased consumption and free access to this product, associated to the lack in the inspection by government, makes their consumption uncontrolled and a potential risk to the citizen health. In this scenario the development of analytical methods for quality control, including a determination of the total selenium concentration and its species becomes a primordial necessity. For this, methodologies were developed for quantification of total selenium by ICP-MS and its inorganic species (Se IV and Se VI) and selenomethionine by HPLC-ICP-MS in samples of selenium-based food supplements and in isotopically enriched yeast sample in 78Se. The methodology for total selenium determination was optimized by experimental design and the limits of detection were in the range of 0.01 mg kg(-1) (CH4) and 0.1 mg kg(-1) (NH3) and the agreement with the CRM Selm-1 were between 99 percent (NH3) and 104 percent (CH4). The results found for selenium content in the food supplements samples presented a discrepancy in relation to the labeled value between -29 percent and + 170 percent and, complementarily, coupling of HPLC to ICP-MS allowed an speciation analysis in the food supplements samples. The use of the ICP-MS, HPLC-ICP-MS and ESI-MS techniques enabled a characterization of a 78Se isotopically enriched yeast sample in terms of its isotopic distribution, total selenium concentration and selenomethionine as well as proteins with molecular weight of approximately 12 kDa.
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Svensson, Richard. "Determination of Al, Ca, Fe, K, Mg, P and Na in soil by ICP-AES and method validation of the AL-method." Thesis, Uppsala universitet, Institutionen för kemi - BMC, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-325279.

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Elis, [forename not supplied], and elis cen@student rmit edu au. "The optimisation of a method for total selenium analysis and application to cereal grain foods." RMIT University. Applied Sciences, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20081128.143142.

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Cereal based foods, including breakfast cereals and Asian noodles are potentially good sources of selenium. Although these are major foods consumed globally, their contribution to dietary intakes of selenium is unclear. In addition, there has been very limited research into the effect of processing steps on the analysis and apparent retention of selenium. The low levels typically present in foods and the presence of multiple chemical forms of the element provide significant analytical challenges to research in this area. Therefore, the aims of this study were firstly to evaluate and validate procedures for extraction and measurement of selenium in wheat flour. Secondly, the procedure has been applied to analysis of selenium in cereal foods. The methods employed were firstly validated using wheat-based reference materials and then samples of various breakfast cereals as well as different styles of Asian noodles were analysed. Selenium was extracted using closed- v essels by microwave digestion with a mixture of nitric acid and hydrogen peroxide, followed by determination through Inductively Coupled Plasma - Mass Spectrometry (ICP-MS). The optimum conditions for selenium determination in cereal based foods involved the digestion of 0.1 g samples using 1 mL of nitric acid and 1 mL of hydrogen peroxide. The addition of 1% (v/v) methanol was found to enhance the sensitivity of the ICP-MS system. Two particular isotopes of selenium (77 and 82) could be effectively employed in the analysis and there was no significant decrease in total selenium in the digested extracts during storage for up to twelve days under refrigeration and room temperature conditions. Good precision levels were obtained and the total selenium levels in the breakfast cereal samples ranged from 0.059 to 0.378 µg/g. For white salted noodles the values varied between 0.057 and 0.712 µg/g, for yellow alkaline noodles, 0.109 to 0.265 µg/g and 0.077 to 0.284 µg/g for fried instant noodles. There was no appar ent change observed in total selenium during the processing of fried instant noodles, indicating the effectiveness of the extraction method developed here. It is concluded that microwave digestion is an effective approach to sample extraction, the procedures validated in this study are suitable for cereal grain foods and that there is considerable variation in the selenium contents of breakfast cereal and Asian noodle products.
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Disch, Benoit A. "Novel method for the determination of radionuclides and their precursors in concrete using LA-ICP-MS." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/13692.

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During the decommissioning of nuclear facilities, a range of materials are generated and need careful characterisation in order to segregate them into their appropriate waste stream. The procedures involved demand significant time and investments to accurately determine the radionuclide inventory necessary to proceed. Methodology requires sampling, homogenisation, dissolution and sometimes a separation step to measure radionuclides using their decay properties. The approach proposed here is to spatially resolve the distribution of major and trace elements in concretes, and by inference important neutron activation-induced radionuclides, using laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). The technique offers the possibility of an onsite sampling tool for the different concrete constituents such as aggregates and sand/cement mixes at the micron scale, with typical detection limits in the ng.g-1 range for most elements. Several shielding concrete samples from Windscale (Cumbria) and CONSORT research reactor hosted by Imperial College (Silwood Park campus) are investigated. Initial work focussed on the identification and main chemistry of the aggregate types involved, using a set of chemical characteristics to fingerprint the ablated phases. Subsequently, available and manufactured calibration materials are evaluated for direct quantification purposes, together with wet chemistry reference values obtained for each concrete constituent for validation. Typical chemistry can thereafter be linked to each phase and build the overall bulk information. Finally, the potential to measure 3H directly using ICP-MS is investigated. This theoretical approach describes the conventional analysis methods and problems with ICP-MS analysis and considers several technological advances from the original instrumentation to overcome these, including the latest instrument available and figures of merit based on practical data.
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Kinahan, Meghan. "Determination of platinum group elements in environmental samples using in-line mini-column pre-concentration and separation coupled to inductively coupled plasma mass spectrometry." Thesis, Kingston, Ont. : [s.n.], 2008. http://hdl.handle.net/1974/1021.

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SANTOS, ROBINSON A. dos. "Otimização da metodologia de preparação do cristal de brometo de tálio para sua aplicação como detector de radiação." reponame:Repositório Institucional do IPEN, 2012. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10085.

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Dissertação (Mestrado)
IPEN/D
Instituto de Pesquisas Energeticas e Nucleares - IPEN-CNEN/SP
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Rajendran, Kaliaperumal. "The development and application of an analytical method for the determination of technetium-99 in the aquatic environment." Thesis, University of Glasgow, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321830.

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Books on the topic "ICP Method"

1

Maxfield, Robert. EPA method study 27, method 200.7 trace metals by ICP. Cincinnati, OH: U.S. Environmental Protection Agency, Environmental Monitoring and Support Laboratory, 1985.

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Tuwati, Abdulwahab. The determination of platinum, palladium and rhodium in autocatalysts using a gold bead collection method with final analysis by ICP. [s.l: s.n.], 1993.

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Griffin, Steven A. Ice fishing: Methods & magic. Merrillville, Ind: ICS Books, 1985.

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Stamper, Judith Bauer. Mice on ice. New York: Scholastic, 1999.

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Gruenwald, Tom. Modern methods of ice fishing. Minnetonka, Minn: Creative Pub., 1999.

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Bogorodskiĭ, V. V. Ice destruction: Methods and technology. Dordrecht: D. Reidel, 1987.

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Tuthill, Andrew M. Structural ice control: Review of existing methods. [Hanover, N.H.]: US Army Corps of Engineers, Cold Regions Research & Engineering Laboratory, 1995.

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Gammon, Peter H. Methods for the fracturing of icebergs. Ottawa: Environmental Studies Revolving Funds, 1985.

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Determann, Jürgen. Das Fliessen von Schelfeisen: Numerische Simulationen mit der Methode der finiten Differenzen = The flow of ice shelves : numerical simulations using the finite-difference method. Bremerhaven: Alfred-Wegener-Institut fÜr Polar- und Meeresforschung, 1991.

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Determann, Jürgen. Das Fliessen von Schelfeisen: Numerische Simulationen mit der Methode der finiten Differenzen = The flow of ice shelves : numerical simulations using the finite-difference method. Bremerhaven: Alfred-Wegener-Institut f/umur Polar- und Meeresforschung, 1991.

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Book chapters on the topic "ICP Method"

1

Chen, Junfen, Bahari Belaton, and Zheng Pan. "A Robust Subset-ICP Method for Point Set Registration." In Advances in Visual Informatics, 59–69. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-02958-0_6.

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Robert, Thomas. "Fundamental Principles, Method Development, and Operational Requirements of ICP-OES." In Measuring Elemental Impurities in Pharmaceuticals, 269–319. Boca Raton : Taylor & Francis, 2018. | Series: Practical spectroscopy ; [v. 40]: CRC Press, 2018. http://dx.doi.org/10.1201/b21952-22.

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Sun, Su, Wei Song, Yifei Tian, and Simon Fong. "An ICP-Based Point Clouds Registration Method for Indoor Environment Modeling." In Lecture Notes in Electrical Engineering, 339–44. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9244-4_48.

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Xu, Huchao, Letao Zhou, Yinghao Zhao, and Zheng Yuan. "A Two-Dimensional Point Cloud Matching Method Based on ICP Improvement." In Lecture Notes in Electrical Engineering, 390–98. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3707-3_37.

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Munim, Hossam Abd El, and Aly A. Farag. "A Modified Global and Elastic ICP Shape Registration for Medical Imaging Applications." In Level Set Method in Medical Imaging Segmentation, 51–70. Boca Raton : Taylor & Francis, 2019.: CRC Press, 2019. http://dx.doi.org/10.1201/b22435-3.

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Thomas, Robert J. "Fundamental Principles, Method Development Optimization and Operational Requirements of ICP-Optical Emission." In Measuring Heavy Metal Contaminants in Cannabis and Hemp, 307–46. First edition. | Boca Raton : Taylor and Francis, 2020.: CRC Press, 2020. http://dx.doi.org/10.1201/9781003004158-25.

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Algabary, Khamiss Masaoud S., Khairuddin Omar, and Md Jan Nordin. "Human Ear Recognition Using an Integrated Method of ICP and SCM Techniques." In Intelligent Robotics Systems: Inspiring the NEXT, 375–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-40409-2_32.

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Hsieh, Chung-Hung, Chung-Hsian Huang, and Jiann-Der Lee. "A Non-contact Image-to-Patient Registration Method Using Kinect Sensor and WAP-ICP." In Studies in Computational Intelligence, 95–102. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-32172-6_8.

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Mascarenhas, Sérgio, G. H. F. Vilela, C. Carlotti, L. E. G. Damiano, W. Seluque, B. Colli, K. Tanaka, C. C. Wang, and K. O. Nonaka. "The New ICP Minimally Invasive Method Shows That the Monro–Kellie Doctrine Is Not Valid." In Acta Neurochirurgica Supplementum, 117–20. Vienna: Springer Vienna, 2012. http://dx.doi.org/10.1007/978-3-7091-0956-4_21.

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Mohassab, Yousef, Mohamed Elzohiery, Feng Chen, and Sohn Hong Yong. "Determination of Total Iron Content in Iron Ore and Dri: Titrimetric Method Versus ICP-OES Analysis." In 2016 EPD Congress, 125–33. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2016. http://dx.doi.org/10.1002/9781119274742.ch15.

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Conference papers on the topic "ICP Method"

1

Morita, Kento, Syoji Kobashi, Yuki Wakata, Kumiko Ando, Reiichi Ishikura, and Naotake Kamiura. "ICP based neonatal brain MRI normalization method." In 2015 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE). IEEE, 2015. http://dx.doi.org/10.1109/fuzz-ieee.2015.7337920.

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Liu, Yilin, Huaiyuan Xu, Xiu Su, Haitao Liang, Yi Wang, and Xiaodong Chen. "Curvature feature extraction based ICP points cloud registration method." In Optoelectronic Imaging and Multimedia Technology V, edited by Qionghai Dai and Tsutomu Shimura. SPIE, 2018. http://dx.doi.org/10.1117/12.2500825.

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Guan, Shiqiang, Guolin Li, Xiang Xie, and Zhihua Wang. "Bi-direction ICP: Fast registration method of point clouds." In 2017 Fifteenth IAPR International Conference on Machine Vision Applications (MVA). IEEE, 2017. http://dx.doi.org/10.23919/mva.2017.7986818.

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Zhao, Kankan, Jiangtao Xi, Yanguang Yu, and Joe F. Chicharo. "3D face recognition based on a modified ICP method." In International Conference on Optical Instruments and Technology (OIT2011). SPIE, 2011. http://dx.doi.org/10.1117/12.906570.

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Chen, Haifen, Guangming Lu, and Rui Wang. "A new palm vein matching method based on ICP algorithm." In the 2nd International Conference. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1655925.1656145.

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Jung, Seiyoul, Jeyeon Kim, Hongjun Lee, Seunghyun Kim, and Whoi-yul Kim. "Camera: LiDAR calibration using ICP-based automatic plane extraction method." In International Workshop on Advanced Imaging Technologies 2020 (IWAIT 2020), edited by Phooi Yee Lau and Mohammad Shobri. SPIE, 2020. http://dx.doi.org/10.1117/12.2566935.

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Ruzbehi, I., and S. Hahn. "HYBRID METHOD FOR TOPOLOGY OPTIMIZATION BASED ON A META-HEURISTIC METHOD AND PIXEL CONNECTIVITY." In The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020). Institution of Engineering and Technology, 2021. http://dx.doi.org/10.1049/icp.2021.1024.

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Churayev, Sergey, Sergey Biryuchinskiy, Konstantin Melnikov, and Timour Paltashev. "Phase shift accumulation method for timing characterization." In 2011 IEEE 2nd International Conference on Photonics (ICP). IEEE, 2011. http://dx.doi.org/10.1109/icp.2011.6106857.

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Zhao, Y., X. Yang, T. Lan, and Z. Yang. "Complex resonant frequencies extraction method of target buried in medium based on matrix pencil method." In IET International Radar Conference (IET IRC 2020). Institution of Engineering and Technology, 2021. http://dx.doi.org/10.1049/icp.2021.0841.

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Prihasty, Wilda, Aulia M. T. Nasution, and Isnaeni. "Rice Grain Quality Determination Using FTIR Spectroscopy Method." In 2020 IEEE 8th International Conference on Photonics (ICP). IEEE, 2020. http://dx.doi.org/10.1109/icp46580.2020.9206464.

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Reports on the topic "ICP Method"

1

Schappert, Michael F. Method Development for Low Level Potassium Measurement Using the ICP-AES. Office of Scientific and Technical Information (OSTI), September 2012. http://dx.doi.org/10.2172/1052357.

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Tkac, Peter, and George Vandegrift. Method for Increased Accuracy of ICP-MS Detection of Potassium in Samples with High Molybdenum Content. Office of Scientific and Technical Information (OSTI), July 2014. http://dx.doi.org/10.2172/1155037.

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Tkac, Peter, and George F. Vandegrift. Method for Increased Accuracy of ICP-MS Detection of Potassium in Samples wth High Molybdenum Content. Office of Scientific and Technical Information (OSTI), July 2014. http://dx.doi.org/10.2172/1150077.

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Wimpenny, J., and K. Samperton. Method Development for Measuring U Isotope Ratios by Laser Ablation MC-ICP-MS. Task 1: Hardware Setup. Office of Scientific and Technical Information (OSTI), January 2021. http://dx.doi.org/10.2172/1763182.

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Ivanova, Miroslava, Lilko Dospatliev, and Penko Papazov. Application of ICP-OES Method of Determination of K, P, Mg, Na and Ca in Nine Wild Edible Mushrooms with a Chemometric Approach. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, February 2019. http://dx.doi.org/10.7546/crabs.2019.02.06.

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Corriveau, Elizabeth, Ashley Mossell, Holly VerMeulen, Samuel Beal, and Jay Clausen. The effectiveness of laser-induced breakdown spectroscopy (LIBS) as a quantitative tool for environmental characterization. Engineer Research and Development Center (U.S.), April 2021. http://dx.doi.org/10.21079/11681/40263.

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Laser-induced breakdown spectroscopy (LIBS) is a rapid, low-cost analytical method with potential applications for quantitative analysis of soils for heavy metal contaminants found in military ranges. The Department of Defense (DoD), Army, and Department of Homeland Security (DHS) have mission requirements to acquire the ability to detect and identify chemicals of concern in the field. The quantitative potential of a commercial off-the-shelf (COTS) hand-held LIBS device and a classic laboratory bench-top LIBS system was examined by measuring heavy metals (antimony, tungsten, iron, lead, and zinc) in soils from six military ranges. To ensure the accuracy of the quantified results, we also examined the soil samples using other hand-held and bench-top analytical methods, to include Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES) and X-Ray Fluorescence (XRF). The effects of soil heterogeneity on quantitative analysis were reviewed with hand-held and bench-top systems and compared multivariate and univariate calibration algorithms for heavy metal quantification. In addition, the influence of cold temperatures on signal intensity and resulting concentration were examined to further assess the viability of this technology in cold environments. Overall, the results indicate that additional work should be performed to enhance the ability of LIBS as a reliable quantitative analytical tool.
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Wende, Allison Marie, Jeremy David Inglis, Anthony Douglas Pollington, William Scott Kinman, and Robert Ernest Steiner. Los Alamos National Laboratory Methods for NWAL Measurements by MC-ICP-MS. Office of Scientific and Technical Information (OSTI), March 2019. http://dx.doi.org/10.2172/1501765.

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Sun, Y. Optimized Cleaning Method for Producing Device Quality InP(100) Surfaces. Office of Scientific and Technical Information (OSTI), February 2005. http://dx.doi.org/10.2172/839867.

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Vas, Dragos, Steven Peckham, Carl Schmitt, Martin Stuefer, Ross Burgener, and Telayna Wong. Ice fog monitoring near Fairbanks, AK. Engineer Research and Development Center (U.S.), March 2021. http://dx.doi.org/10.21079/11681/40019.

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Ice fog events, which occur during the Arctic winter, result in greatly decreased visibility and can lead to an increase of ice on roadways, aircraft, and airfields. The Fairbanks area is known for ice fog conditions, and previous studies have shown these events to be associated with moisture released from local power generation. Despite the identified originating mechanism of ice fog, there remains a need to quantify the environmental conditions controlling its origination, intensity, and spatial extent. This investigation focused on developing innovative methods of identifying and characterizing the environmental conditions that lead to ice fog formation near Fort Wainwright, Alaska. Preliminary data collected from December 2019 to March 2020 suggest that ice fog events occurred with temperatures below −34°C, up to 74% of the time ice fog emanated from the power generation facility, and at least 95% of ice particles during ice fog events were solid droxtals with diameters ranging from 7 to 50 μm. This report documents the need for frequent and detailed observations of the meteorological conditions in combination with photographic and ice particle observations. Datasets from these observations capture the environmental complexity and the impacts from energy generation in extremely cold weather conditions.
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Diemand, Deborah, and Velery Klokov. A Method for Producing Fine-Grained Ice from Snow by Compaction. Fort Belvoir, VA: Defense Technical Information Center, August 2001. http://dx.doi.org/10.21236/ada399588.

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