Relevant bibliographies by topics / Gallstones composition

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

Academic literature on the topic 'Gallstones composition'

Author: Grafiati
Published: 4 June 2021
Last updated: 10 February 2022

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Journal articles on the topic "Gallstones composition"

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Amosova, O. Ye, Е. V. Mashina та S. N. Shanina. "Amino acids as biomarkers of phase сomposition of gallstones". Vestnik of Geosciences 10 (2020): 22–30. http://dx.doi.org/10.19110/geov.2020.10.3.

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Gallstone disease (cholelithiasis) remains one of the most common gastroenterological diseases worldwide. The formation of gallstones has not been fully studied due to the latent course of the initial stage of gallstone disease. The composition of gallstones is diverse. Among the substances present in gallstones, the least studied is the protein component, the structural units of which are amino acids. In this connection, the main goal of the study was to identify patterns of changes in the amino acid composition of gallstones of various phase compositions. The objects of the study were 23 sam
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Wee, Seonghyun, Young Hwan Lee, Youe Ree Kim, Kwon Ha Yoon, and Dong-Eun Park. "Determination of Gallstone Composition using Dual-Energy Computed Tomography: An Ex-vivo Study." Korean Journal of Abdominal Radiology 5, no. 1 (2021): 42–52. http://dx.doi.org/10.52668/kjar.2021.00080.

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Purpose: This study aimed to investigate whether <i>ex-vivo</i> gallstones are distinguishable by type using dualenergy computed tomography (DECT).Materials and Methods: A total of 124 gallstones from 65 patients with acute or chronic calculous cholecystitis were evaluated using DECT. The extracted gallstones were submerged in distilled water in an acrylic container and scanned at tube voltages of 80/140 kVp and 100/140 kVp. The images were grouped into three sets: 80, 100, and 140 kVp. Qualitative analyses of DECT sensitivity and attenuation patterns in each image set were perform
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Chen, Weixin, Riming Liu, Suo Tao, et al. "Ultrastructural Analysis of Human Gallstones using Synchrotron Radiation µCT." Combinatorial Chemistry & High Throughput Screening 22, no. 1 (2019): 13–17. http://dx.doi.org/10.2174/1386207322666190222122007.

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Objective: Gallstone formation is a pathological process of mineralization in the human body. Determination of the morphology and ultrastructure of gallstones holds the key to understanding the pathophysiology of gallbladder disease. Synchrotron radiation phase-contrast Xray microtomography is a novel technology, which is designed for comprehensive analysis of gallstone ultrastructure. Materials and Methods: Nine human gallstones were obtained from the Department of Pathology, Qingpu branch of Zhongshan Hospital Affiliated to Fudan University (China), and scanned by synchrotron radiation µCT (
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Huang, Jie. "Gallstone composition and microbial community structure in gallstones." World Chinese Journal of Digestology 22, no. 17 (2014): 2467. http://dx.doi.org/10.11569/wcjd.v22.i17.2467.

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Kaufman, Howard S., Keith D. Lillemoe, John T. Mastovich, and Henry A. Pitt. "Environmental scanning electron microscopy of fresh human gallstones reveals new morphologies of precipitated calcium salts." Proceedings, annual meeting, Electron Microscopy Society of America 50, no. 2 (1992): 1322–23. http://dx.doi.org/10.1017/s0424820100131243.

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Gallstones contain precipitated cholesterol, calcium salts, and proteins. Calcium (Ca) bilirubinate, palmitate, phosphate, and carbonate occurring in gallstones have variable morphologies but characteristic windowless energy dispersive x-ray (EDX) spectra. Previous studies of gallstone microstructure and composition using scanning electron microscopy (SEM) with EDX have been limited to dehydrated samples. In this state, Ca bilirubinates appear as either glassy masses, which predominate in black pigment stones, or as clusters, which are found mostly in cholesterol gallstones. The three polymorp
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Yova Meidina, Tri Retno, Ninik Mudjihartini, Dwirini Retno Gunarti, Yulhasri Yulhasri, Syarifah Dewi, and Novi Silvia Hardiany. "Analisis Komposisi dan Distribusi Batu Empedu di Laboratorium Fakultas Kedokteran Universitas Indonesia (FKUI) Jakarta." Jurnal Biotek Medisiana Indonesia 9, no. 1 (2020): 19–26. http://dx.doi.org/10.22435/jbmi.v9i1.3893.

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Abstrak Batu empedu merupakan penyakit yang banyak ditemukan di Indonesia. Analisis komposisi batu empedu penting untuk mengetahui penyebab, dasar metabolisme pembentukannya, faktor risiko, serta untuk edukasi diet terhadap pasien. Komposisi batu empedu tersebut dapat dipengaruhi oleh berbagai faktor termasuk usia dan jenis kelamin. Sampai saat ini belum terdapat data analisis komposisi dan distribusi batu empedu di Jakarta. Dengan demikian, penelitian ini bertujuan untuk menganalisis komposisi dan distribusi batu empedu yang dihubungkan dengan usia dan jenis kelamin. Penelitian ini merupakan
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7

Saha, E., M. Saha, AL Kumar, et al. "Prevalence of gallstones and biliary sludge formation during pregnancy detected by ultrasonography." Mediscope 4, no. 2 (2017): 21–24. http://dx.doi.org/10.3329/mediscope.v4i2.34998.

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The risk of gallstones is thought to increase with number of pregnancies. Cholesterol gallstones are more prevalent in women than men and primarily related to sex steroids, particularly progesterone. During pregnancy there are changes in bile composition and gallbladder motility that promote gallstone formation. This study was conducted to determine incidence and outcome of pregnancy related biliary sludge and gallstone formation. Two hundred and nine consecutive expectant women were evaluated by ultrasonography at 1st trimester, 3rd trimester and at 4-6 weeks after delivery. Socio-demographic
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Scherber, Philipp Robert, Silvia Eugenia Zúniga, Matthias Glanemann, and Frank Lammert. "Gallensteine – interdisziplinäre Behandlung." DMW - Deutsche Medizinische Wochenschrift 145, no. 05 (2020): 287–95. http://dx.doi.org/10.1055/a-0944-8655.

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AbstractGallstones develop in the gallbladder or the bile ducts. According to their chemical composition, gallstones can be divided into cholesterol stones, which are common, and the rare bile pigment stones. Altogether, up to 20 % of all adults develop gallstones and more than 20 % of them symptoms or complications. Female sex, age, pregnancy, physical inactivity, obesity, overnutrition and genetic factors such as ABCB4 deficiency of the hepatic lecithin transporter are kown risk factors for gallstone formation. In about one half of all patients biliary symptoms precede the three common and p
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Wentrup-Byrne, E., L. Rintoul, J. L. Smith, and P. M. Fredericks. "Comparison of Vibrational Spectroscopic Techniques for the Characterization of Human Gallstones." Applied Spectroscopy 49, no. 7 (1995): 1028–36. http://dx.doi.org/10.1366/0003702953964813.

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A suite of human gallstones was investigated by vibrational spectroscopic techniques with a view to developing an effective characterization procedure. Using infrared microscopy, microspectroscopic mapping, infrared photoacoustic spectroscopy (PAS), and FT-Raman spectroscopy, we have examined both the chemical composition and the microstructure of the different categories of human gallstones. We show how infrared microscopy can be used to determine the chemical identity of particular microstructural features of a stone. Infrared mapping produces functional group maps of the surface of a gallst
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Sinicki, Ronald, and Christopher Viney. "Human gallstones: Specimen preparation and light microscopy." Proceedings, annual meeting, Electron Microscopy Society of America 50, no. 1 (1992): 734–35. http://dx.doi.org/10.1017/s0424820100124070.

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Several methods for removing gallstones from the human body are in use or under investigation. They range from noninvasive techniques (dissolving; ultrasound lithotripsy), through minor surgery (use of wire basket lithotriptor; laser lithotripsy), to major surgery. The choice of procedure seeks to accomplish removal of stones while minimizing the cutting of patient tissue, the post-treatment rehabilitation time, and the overall cost. The effectiveness of a given procedure will vary, depending on the size and number of stones present, and especially on their composition and microstructure. Atte
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Dissertations / Theses on the topic "Gallstones composition"

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Souza, Miriam Karine de. "Análise dos lipídios biliares no cálculo e na bile em portadores brasileiros de litíase biliar." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/5/5147/tde-28042010-170418/.

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INTRODUÇÃO: A litíase biliar é uma doença do trato digestivo que apresenta prevalência variada em diferentes grupos étnicos e que gera altos gastos aos sistemas de saúde. A possibilidade de aplicação de tratamento não invasivo medicamentoso está direcionada a presença de cálculo de colesterol o que leva a necessidade de identificar corretamente os pacientes que podem beneficiar-se com o tratamento. No Brasil estima-se uma prevalência da doença em 9,3% da população em geral. Porém, ainda não há estudos que demonstrem a composição de cálculo de colesterol e pigmentos nos pacientes, bem como não
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Zong-Yi and 郭宗益. "Composition of studies and genetic analysis of gallstone." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/29434165560872376617.

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碩士<br>中山醫學大學<br>生物醫學科學學系碩士班<br>98<br>Gallstone is a common digestive disease. Its prevalence in Taiwan is approximately 20%. Gallstones can be divided into cholesterol stones and hemoglobin stones according to the composition. The thesis consists of three parts. First, we used the differential interference microscope and Fourier transform infrared spectroscopy to analyze the compositions of gallstones, and to classify the clinical gallstone specimens. Second, Gpbar1 gene knockout mice were resistant to cholesterol gallstone formation under excessive intake of cholesterol, indicating Gpbar1 gen
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Book chapters on the topic "Gallstones composition"

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Mashina, Ekaterina V., Olga E. Amosova, and Svetlana N. Shanina. "Gallstones: Chemical and Amino Acid Composition." In Springer Proceedings in Earth and Environmental Sciences. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-49468-1_18.

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Conference papers on the topic "Gallstones composition"

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Zhang, Yue, Qin Kui, Cenyin Rao, Xiaojun Huang, Junfa Xue, and Jianming Ouyang. "Composition Difference of Cholesterol-, Pigment- and Mixed-type Gallstones, and Their Formation Mechanisms." In International Conference on Biomedical and Biological Engineering. Atlantis Press, 2016. http://dx.doi.org/10.2991/bbe-16.2016.46.

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