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Relevant bibliographies by topics / Tyrosine – Measurement

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Academic literature on the topic 'Tyrosine – Measurement'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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Journal articles on the topic "Tyrosine – Measurement"

1

Li, Yong Jin. "Optical Determination of L-tyrosine Based on Eggshell Membrane Immobilized Tyrosinase." Journal of AOAC INTERNATIONAL 93, no. 6 (November 1, 2010): 1912–15. http://dx.doi.org/10.1093/jaoac/93.6.1912.

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Abstract An optical biosensor based on the eggshell membrane immobilized tyrosinase is described for the detection of L-tyrosine (L-Tyr). The detection scheme was based on the measurement of absorption value of color adduct resulting from the reaction of 3-methyl-2-benzothiazolinone hydrazone and dopa-quinone produced from the enzymatic oxidation of L-Tyr. The prepared biosensor demonstrated optimum activity at pH 7, optimum temperature range of 2040C and a linear response for the L-Tyr concentration in range of 5200 M. It also showed good operation stability for repeated measurements (over 30

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FROST, Matthew T., Barry HALLIWELL, and Kevin P. MOORE. "Analysis of free and protein-bound nitrotyrosine in human plasma by a gas chromatography/mass spectrometry method that avoids nitration artifacts." Biochemical Journal 345, no. 3 (January 25, 2000): 453–58. http://dx.doi.org/10.1042/bj3450453.

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Measurement of nitrotyrosine in biological fluids and tissues is increasingly being used to monitor the production of reactive nitrogen species in vivo. The detection of nitrotyrosine in vivo has been reported with the use of a variety of methods including immunoassay, HPLC and GLC/MS. The validity of HPLC and immunoassays have been questioned with regard to their selectivity and sensitivity limits. In principle, the measurement of nitrotyrosine by GLC/MS permits a highly specific, highly sensitive and fully quantitative assay. The nitration of tyrosine under acidic conditions in the presence

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Shimizu, H., K. Taniguchi, M. Sugiyama, and T. Kanno. "Rapid enzymatic analysis of plasma for tyrosine." Clinical Chemistry 36, no. 1 (January 1, 1990): 32–35. http://dx.doi.org/10.1093/clinchem/36.1.32.

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Abstract In this rapid, simple, and convenient enzymatic method for measurement of tyrosine in plasma, tyrosine is converted to tyramine by action of tyrosine decarboxylase (EC 4.1.1.25) and the tyramine produced is oxidized to p-hydroxybenzyl aldehyde and hydrogen peroxide by action of tyramine oxidase (EC 1.4.3.9). The hydrogen peroxide is reacted with 4-aminoantipyrine and N-ethyl-N-(2-hydroxy-3-sulfopropyl)-m-toluidine in the presence of peroxidase (EC 1.11.1.7) to obtain quinoneimine dye, the absorbance of which is measured at 570 nm. Thus tyrosine is measured in the visible range. The CV

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Eser, Bekir E., and Paul F. Fitzpatrick. "Measurement of Intrinsic Rate Constants in the Tyrosine Hydroxylase Reaction." Biochemistry 49, no. 3 (January 26, 2010): 645–52. http://dx.doi.org/10.1021/bi901874e.

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Chung, Inhee. "Optical measurement of receptor tyrosine kinase oligomerization on live cells." Biochimica et Biophysica Acta (BBA) - Biomembranes 1859, no. 9 (September 2017): 1436–44. http://dx.doi.org/10.1016/j.bbamem.2017.03.026.

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6

Yang, Yu, Liang-Hong Guo, Na Qu, Ming-Yuan Wei, Li-Xia Zhao, and Bin Wan. "Label-free electrochemical measurement of protein tyrosine kinase activity and inhibition based on electro-catalyzed tyrosine signaling." Biosensors and Bioelectronics 28, no. 1 (October 2011): 284–90. http://dx.doi.org/10.1016/j.bios.2011.07.033.

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Wei, Lan-Yi, Wei Lin, Bey-Fen Leo, Lik-Voon Kiew, Chia-Ching Chang, and Chiun-Jye Yuan. "Development of the Sensing Platform for Protein Tyrosine Kinase Activity." Biosensors 11, no. 7 (July 15, 2021): 240. http://dx.doi.org/10.3390/bios11070240.

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A miniature tyrosinase-based electrochemical sensing platform for label-free detection of protein tyrosine kinase activity was developed in this study. The developed miniature sensing platform can detect the substrate peptides for tyrosine kinases, such as c-Src, Hck and Her2, in a low sample volume (1–2 μL). The developed sensing platform exhibited a high reproducibility for repetitive measurement with an RSD (relative standard deviation) of 6.6%. The developed sensing platform can detect the Hck and Her2 in a linear range of 1–200 U/mL with the detection limit of 1 U/mL. The sensing platform

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DeFelippis, Michael R., C. P. Murthy, M. Faraggi, and Michael H. Klapper. "Pulse radiolytic measurement of redox potentials: the tyrosine and tryptophan radicals." Biochemistry 28, no. 11 (May 30, 1989): 4847–53. http://dx.doi.org/10.1021/bi00437a049.

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Mccaig, T. N., D. Y. K. Fenn, R. E. Knox, R. M. Depauw, J. M. Clarke, and J. G. Mcleod. "Measuring polyphenol oxidase activity in a wheat breeding program." Canadian Journal of Plant Science 79, no. 4 (October 1, 1999): 507–14. http://dx.doi.org/10.4141/p98-135.

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High levels of polyphenol oxidase (PPO) have been associated with discoloration of end-use products of wheat, especially certain noodle types. Two whole-seed methods of measuring PPO, one based on 10 mM tyrosine as substrate and the other on 90 mM catechol, were examined and modified to determine their potential as screening tools in large-scale breeding programs. Thirteen spring wheat and two spring triticale genotypes were used to compare the methods. Both methods could measure PPO on individual seeds. All genotypes displayed large seed-to-seed variation for PPO with both substrates. The mea

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Kobayashi, Tomoko, Shun-Ichi Nakamura, and Hirohei Yamamura. "Cytosolic Protein-Tyrosine Kinase Activities in Various Rat Tissues." Annals of Clinical Biochemistry: International Journal of Laboratory Medicine 26, no. 2 (March 1989): 164–68. http://dx.doi.org/10.1177/000456328902600213.

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Suitable assay conditions for the detection of cytosolic protein-tyrosine kinase activities in crude extracts of various rat tissues have been determined. Cytosolic protein-tyrosine kinases showed common characteristics including substrate specificity and divalent cation requirement. Using (Val5) angiotensin II and Mn2+ rather than a src-related synthetic peptide, E11G1, and Mg2+, we obtained higher activities of cytosolic protein-tyrosine kinases. Among various rat tissues tested, spleen, bone marrow, thymus, small intestine, appendix and lung, in decreasing order of total activity, contained

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Dissertations / Theses on the topic "Tyrosine – Measurement"

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Thorpe, Jane Marie. "The effect of tyrosine and prior protein intake on the measurement of phenylalanine metabolism in vivo." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0006/NQ41326.pdf.

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Bucknall, Martin Paul Medical Sciences Faculty of Medicine UNSW. "Dityrosine as a biomarker of free radical induced oxidative damage in diseases of ageing." Awarded by:University of New South Wales. School of Medical Sciences, 2006. http://handle.unsw.edu.au/1959.4/30207.

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o,o???-Dityrosine (dityrosine), an oxidation product of tyrosine produced by reaction between tyrosyl radicals, is becoming established as a biomarker of free radical oxidative protein damage in vivo. Attempts to measure dityrosine concentrations in various physiological and pathological systems have produced varied and often contradictory results. Dityrosine concentrations in urine, plasma, cerebrospinal fluid (CSF) and brain tissue varying over three orders of magnitude have been reported, together with inconsistent claims of significant dityrosine elevation in several ageing-related patho

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3

Streffer, Katrin. "Highly sensitive measurements of substrates and inhibitors on the basis of tyrosinase sensors and recycling systems." Phd thesis, [S.l. : s.n.], 2002. http://pub.ub.uni-potsdam.de/2003/0001/streffer.pdf.

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Streffer, Katrin [Verfasser]. "Highly sensitive measurements of substrates and inhibitors on the basis of tyrosinase sensors and recycling systems / von Katrin Streffer." 2002. http://d-nb.info/967537118/34.

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Gajula, M. N. V. Prasad. "Computer simulation meets experiment: Molecular dynamics simulaitons of spin labeled proteins." Doctoral thesis, 2008. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-2008041631.

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EPR spectroscopy of site-directed spin labeled proteins is extremely informative in the studies of protein dynamics; however, it is difficult to interpret the spectra in terms of the conformational dynamics in atomic detail.In the present work we aimed to investigate the site-specific structural dynamics of proteins by using MD simulations upon analyzing and interpreting the EPR data. The major goal of this work is to know how far the computer simulations can meet the experiments. As a first step, MD simulations are performed to identify the location and orientation of the tyrosine radical in

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Books on the topic "Tyrosine – Measurement"

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Thorpe, Jane Marie. The effect of tyrosine and prior protein intake on the measurement of phenylalanine metabolism in vivo. 1999.

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Book chapters on the topic "Tyrosine – Measurement"

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Robins, Eli. "The Measurement of Phenylalanine and Tyrosine in Blood." In Methods of Biochemical Analysis, 287–309. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2006. http://dx.doi.org/10.1002/9780470110355.ch6.

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Eigner, Sebastian, Denis R. Beckford Vera, Marco Fellner, Natalia S. Loktionova, Markus Piel, Frantisek Melichar, Frank Rösch, Tobias L. Roß, Ondrej Lebeda, and Katerina Eigner Henke. "Measurement of Protein Synthesis: In Vitro Comparison of 68Ga-DOTA-Puromycin, [3H]Tyrosine, and 2-Fluoro-[3H]tyrosine." In Recent Results in Cancer Research, 269–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-27994-2_14.

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Waisbren, Susan E., Sanjay P. Prabhu, Patricia Greenstein, Carter Petty, Donald Schomer, Vera Anastasoaie, Kalin Charette, Daniel Rodriguez, Sai Merugumala, and Alexander P. Lin. "Improved Measurement of Brain Phenylalanine and Tyrosine Related to Neuropsychological Functioning in Phenylketonuria." In JIMD Reports, 77–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/8904_2016_11.

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Tsikas, Dimitrios, Anja Mitschke, and Frank-Mathias Gutzki. "Measurement of 3-Nitro-Tyrosine in Human Plasma and Urine by Gas Chromatography-Tandem Mass Spectrometry." In Methods in Molecular Biology, 255–70. Totowa, NJ: Humana Press, 2011. http://dx.doi.org/10.1007/978-1-61779-445-2_20.

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"Cancers of the genitourinary system." In Oxford Desk Reference: Oncology, edited by Thankamma Ajithkumar, Ann Barrett, Helen Hatcher, and Sarah Jefferies, 196–233. Oxford University Press, 2021. http://dx.doi.org/10.1093/med/9780198745440.003.0008.

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This chapter deals with renal, bladder, prostate and penile cancers, and tumours of the testis. Epidemiology, aetiology, and risk factors including specific genetic mutations as well as general lifestyle factors are described for each tumour type. For renal tumours, classification takes into account different clinical behaviours and genetic mutations. The role of surgery in the cure of disease and treatment of metastatic disease are discussed as well as the role of radiotherapy, chemotherapy, and the use of tyrosine kinase, mTor, and T-cell checkpoint inhibition. The role of surgery in bladder cancer is defined in the management of localized and muscle invasive cancer and the use of chemotherapy, radiotherapy, or both in advanced or metastatic disease. As well as discussion of the different aspects of management of prostate cancer, consideration is given to the use of absolute values of PSA measurement and other parameters in screening, treatment monitoring, and surveillance. Endocrine therapies are also discussed. Epidemiology aetiology, genetic factors, and pathology of testicular tumours are considered and the curative potential of treatment is underlined as well as the appropriate use of surveillance. For penile cancer treatment, modalities including surgery and different radiotherapy approaches are outlined.

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Eisen, Tim, Freddie C. Hamdy, and Robert A. Huddart. "Malignant diseases of the urinary tract." In Oxford Textbook of Medicine, edited by John D. Firth, 5136–49. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198746690.003.0508.

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Bladder cancer—the seventh commonest cancer in the United Kingdom and the fourth most common in men. Nonmuscle-invasive disease is usually treated by transurethral resection with postoperative intravesical chemotherapy with mitomycin or bacillus Calmette–Guérin. Local muscle-invasive disease in patients who are fit enough is usually treated with radical cystoprostatectomy and cisplatin-based chemotherapy. Metastatic disease is typically treated with cisplatin-based chemotherapy. Renal cell cancer—approximately 3% of the total cancer burden. For operable patients with no distant disease, the treatment of choice is nephron-sparing (if possible) or radical nephrectomy. Metastatic renal cancer can behave in a very variable manner. Palliative nephrectomy may be required for bleeding or pain. First-line systemic treatment is with antiangiogenic tyrosine kinase inhibitors targeting vascular endothelial growth factor receptor signalling. Prostate cancer—second most common cause of male cancer deaths in the Western world. Most cases are asymptomatic at presentation, being detected following measurement of serum prostate-specific antigen (PSA) or after digital rectal examination, although screening by measurement of PSA remains a contentious issue. Clinically localized prostate cancer is treated with active monitoring, radiotherapy, or minimally invasive surgery. Locally advanced disease is likely to progress and requires intervention, usually in the form of androgen deprivation therapy and radiotherapy. First-line treatment for metastatic prostate cancer is androgen deprivation therapy; second-line treatment may be with newer antiandrogens in combination with steroids and cytotoxics. Testicular cancer—affects predominantly young adult men in whom they are the most common malignant tumours. For most patients, initial management consists of an inguinal orchidectomy, with or without immediate adjuvant therapy. Standard treatment of metastatic germ cell tumours is with a combination of bleomycin, etoposide, and cisplatin.

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Sweeney, Mark, and Alexander Lyon. "Cardiovascular complications of novel kinase inhibitors." In ESC CardioMed, 1170–76. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780198784906.003.0292.

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Tyrosine and serine kinase inhibitors are new cancer therapies which have revolutionized the field of modern oncology and have transformed previously fatal conditions such as chronic myeloid leukaemia into treatable chronic diseases. The cardiovascular complications related to kinase inhibitor treatments have emerged and the importance of effective cardiovascular management is becoming clear. Precise cardiovascular toxicity profiles vary among different classes of kinase inhibitors and between different specific agents. The most important cardiovascular complications of these kinase inhibitors include hypertension, heart failure, arterial thromboembolic disease, QT prolongation, and pulmonary hypertension. The aim of effective cardiovascular management in this setting should be to minimize the impact of toxicities to facilitate the continuation of these highly effective cancer treatments. It is key to perform a thorough baseline cardiovascular risk assessment prior to commencing treatment so that reversible risk factors are identified and addressed appropriately. Preliminary assessment should, at a minimum, include blood pressure measurement, serum creatinine, lipid profile and fasting glucose, and a resting electrocardiogram. Additionally, in selected high-risk patients or those starting high-risk kinase inhibitors, baseline assessment of left ventricular function can also be helpful. Effective risk stratification will allow appropriate, individualized surveillance to be arranged for each patient in order to identify complications early and manage them effectively. When significant cardiovascular complications occur, decisions regarding the need to suspend or discontinue potentially life-prolonging treatments are exceptionally challenging and the input of the multidisciplinary team in this setting and communication between the cardiologists and the oncologists or haemato-oncologists is invaluable.

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Conference papers on the topic "Tyrosine – Measurement"

1

Habiboglu, M. Gokhan, and Sahin Uyaver. "Shape measurement for cylindirical structures formed by tyrosine molecules." In THIRD INTERNATIONAL CONFERENCE OF MATHEMATICAL SCIENCES (ICMS 2019). AIP Publishing, 2019. http://dx.doi.org/10.1063/1.5136196.

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Phillips, Ryan M., David S. Lawrence, Christopher E. Sims, and Nancy L. Allbritton. "Abstract 4128: A novel approach to the measurement of tyrosine phosphorylation dynamics in intact single cells using capillary electrophoresis." In Proceedings: AACR 104th Annual Meeting 2013; Apr 6-10, 2013; Washington, DC. American Association for Cancer Research, 2013. http://dx.doi.org/10.1158/1538-7445.am2013-4128.

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Labots, Mariette, Kristy J. Gotink, Henk Dekker, Johannes C. van der Mijn, Henk J. Broxterman, Maria N. Rovithi, Connie R. Jiménez, and Henk M. W. Verheul. "Abstract 3608: Measurement of kinase activity in cancer cell lines and tumor tissue using a tyrosine kinase peptide substrate array." In Proceedings: AACR 103rd Annual Meeting 2012‐‐ Mar 31‐Apr 4, 2012; Chicago, IL. American Association for Cancer Research, 2012. http://dx.doi.org/10.1158/1538-7445.am2012-3608.

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Gong, Shengzhao, Qingsheng Chen, and Mengyi Xu. "Inhibitory Kinetics of 2'-Hydroxy-4'-methoxyacetophenone on Tyrosinase-catalyzing Reaction." In 2015 4th International Conference on Sensors, Measurement and Intelligent Materials. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icsmim-15.2016.117.

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