- Ultrasonic transducers for medical diagnostic imaging
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Lee W, Roh Y
- KMID: 2385972
- Biomed Eng Lett.
- 2017 May;7(2):91-97.
- doi: 10.1007/s13534-017-0021-8
Over the past decades, ultrasound imaging technology has made tremendous progress in obtaining important diagnostic information from patients in a rapid, noninvasive manner. Although the technology has benefited from sophisticated... -
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- Twinkling Artifact on Color Doppler Ultrasound: Comparison among Various Composition of Stones and Various Central Frequencies of Transducers
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Sohn CH, Lee JH, Cho KS
- KMID: 2099499
- J Korean Soc Med Ultrasound.
- 2002 Sep;21(3):213-218.
PURPOSE: To evaluate the relationship between the degree of twinkling artifact generated on color Doppler sonography and the biochemical composition of renal stones and different central frequencies of transducers. MATERIALS AND... -
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- Regenerative Nodules in Liver Cirrhosis: Sonographic Appearance and Pathologic Correlation
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Choi D, Lim JH, Kim EY, Park CK, Jeong YK
- KMID: 1838405
- J Korean Soc Med Ultrasound.
- 1998 Dec;17(4):323-332.
PURPOSE: The purpose of this study was to ascertain the pathologic base of sonographic visibility of regenerative nodules in liver cirrhosis. MATERIALS & METHODS: Thirty-three resected liver specimens from patients with... -
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- Experimental Studies in the Absorption of Ultrasound by the Ocular Tissues
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Yoon BJ
- KMID: 1658397
- J Korean Ophthalmol Soc.
- 1972 Sep;13(3):127-133.
Experiments were performed in order to investigate the absorption of the ultrasound by the ocular tissues. Transducers of 5 and 10 MHz and diameters of 5 and 10mm were used.... -
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- How to Perform and Interpret Upper Esophageal Sphincter Manometry
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Bhatia SJ, Shah C
- KMID: 2325979
- J Neurogastroenterol Motil.
- 2013 Jan;19(1):99-103.
Manometry of the pharynx and the upper esophageal sphincter (UES) provides important information on the swallowing mechanism, especially about details on the pharyngeal contraction and relaxation of the UES. However,... -
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- Automated Audiometry: A Review of the Implementation and Evaluation Methods
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Shojaeemend H, Ayatollahi H
- KMID: 2434541
- Healthc Inform Res.
- 2018 Oct;24(4):263-275.
- doi: 10.4258/hir.2018.24.4.263
OBJECTIVES: Automated audiometry provides an opportunity to do audiometry when there is no direct access to a clinical audiologist. This approach will help to use hearing services and resources efficiently.... -
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- Erroneously Recorded Esophageal Retrograde Peristalsis due to a Manometric Catheter Inadvertently Hooked in the Esophagus
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Kim JY, Kim CY, Park SM, Park KH, Park JJ, Kim JS, Bak YT
- KMID: 2304962
- Korean J Gastrointest Motil.
- 2003 Jun;9(1):59-61.
Esophageal retrograde peristalsis is known to be absent normally. This rare finding, if it happens, usually suggests a possibility that proximal ends of the manometric catheter are connected to the... -
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- Transient Receptor Potential (TRP) Channels
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Park SW
- KMID: 1455710
- Korean J Otorhinolaryngol-Head Neck Surg.
- 2010 Feb;53(2):65-70.
- doi: 10.3342/kjorl-hns.2010.53.2.65
Transient receptor potential (TRP) protein is a superfamily of cation channels which have 6 transmembrane domains and mainly pass calcium ion through themselves. There are seven types of subfamilies in... -
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- Demonstration of Pathologic Coronary Flow Dynamics using Transthoracic Doppler Echocardiography: Its Potential Role in Clinical Decision-Making
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Youn HJ
- KMID: 2029730
- Korean Circ J.
- 2005 Apr;35(4):269-281.
- doi: 10.4070/kcj.2005.35.4.269
With advancements in high frequency transducers, transesophageal (TEE) and transthoracic Doppler echocardiography (TTE) are emerging as promising methods for the evaluation of coronary arteries. In addition to visualizing images for... -
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- Advanced ultrasound for prenatal interventions
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Nawapun K, Phithakwatchara N, Jaingam S, Viboonchart S, Mongkolchat N, Wataganara T
- KMID: 2417170
- Ultrasonography.
- 2018 Jul;37(3):200-210.
- doi: 10.14366/usg.18011
Ultrasound is an integral part of prenatal interventions. Doppler studies and 3-dimensional ultrasound (3DUS) are frequently used to determine whether fetal surgery is required. The operator’s experience remains crucial for... -
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- The Changes of Natural Frequency and Damping Coefficient of Disposable Pressure Transducer according to the Catheter Length and Time Assigned
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Lim KJ, Kim D, Ahn W, Lee NJ
- KMID: 1937345
- Korean J Anesthesiol.
- 2007 Dec;53(6):759-766.
- doi: 10.4097/kjae.2007.53.6.759
BACKGOUND: The accuracy of a disposable blood pressure transducer (DBPT) is determined by its physical properties: natural frequency (NF) and damping coefficient (DC). We planned this study to investigate whether... -
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- Protease-Activated Receptor-2: A Multifaceted Molecular Transducer in the Human Skin
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Andersen H
- KMID: 2368132
- Ann Dermatol.
- 2016 Dec;28(6):771-772.
- doi: 10.5021/ad.2016.28.6.771
No abstract available. -
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- Ultrasonic Device Part I: Overview
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Kim DH, Lee KJ, Ko JY, Ahn HH, Kye YC, Ryu HJ
- KMID: 1427463
- Korean J Dermatol.
- 2013 May;51(5):305-310.
Ultrasound is over 20 khz, which represents the upper frequency limit of human hearing. Acoustic vibrations are generated when piezoelectric materials on the thin disc-shaped transducers expand and contract. Although... -
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- Cell cycle checkpoint control
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Murakami H, Okayama H
- KMID: 2128619
- Exp Mol Med.
- 1997 Mar;29(1):1-11.
Genetic instability is considered to be a major driving force of malignancy of cancer cells, and at least some of cancer-associated genetic instability is known to be caused by defects... -
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- Diagnostic Usefulness of Transrectal Ultrasound Compared with Transvaginal Ultrasound Assessment in Young Korean Women with Polycystic Ovary Syndrome
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Lee DE, Park SY, Lee SR, Jeong K, Chung HW
- KMID: 2200966
- J Menopausal Med.
- 2015 Dec;21(3):149-154.
- doi: 10.6118/jmm.2015.21.3.149
OBJECTIVES: To determine the diagnostic performance of transrectal ultrasound in virgin patients with polycystic ovary syndrome (PCOS) by receiver operating characteristic (ROC) curve analysis, compared with conventional transvaginal ultrasound assessment. METHODS:... -
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- Experimental Investigations on the Effects of Ocular Tissues upon the Ultrasonic Waves
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Cho SH, Youn WS
- KMID: 1658301
- J Korean Ophthalmol Soc.
- 1971 Jun;12(2):51-62.
The purpose of this report is to investigate experimentally how the corea, sclera, crystalline lens and focusing lens influence the ultrasound intensity and beam width and to find characteristic differences... -
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- Multi-element Ultrasound Applicator for the Treatment of Cancer in Uterus and Cervix
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Lee R
- KMID: 2307133
- Korean J Med Phys.
- 2005 Mar;16(1):16-23.
The objective of this study was to construct multi-element ultrasound applicators for the treatment of gynecologic cancer with high dose rate brachytherapy. For the treatment of uterus, piezo-ceramic crystal transducer... -
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- An investigation into the effect of denture adhesives on incisal bite force of complete denture wearers using pressure transducers: a clinical study
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Kalra P, Nadiger R, Shah FK
- KMID: 2392035
- J Adv Prosthodont.
- 2012 May;4(2):97-102.
PURPOSE: Study was conducted to determine and assess the effect of different type of denture adhesives on the incisal bite force of complete denture wearers until the dislodgement of upper... -
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- Current status of ultrasonography of the finger
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Lee SA, Kim BH, Kim SJ, Kim JN, Park SY, Choi K
- KMID: 2319324
- Ultrasonography.
- 2016 Apr;35(2):110-123.
- doi: 10.14366/usg.15051
The recent development of advanced high-resolution transducers has enabled the fast, easy, and dynamic ultrasonographic evaluation of small, superficial structures such as the finger. In order to best exploit these... -
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- Glutamine Deprivation Causes Hydrogen Peroxide-induced Interleukin-8 Expression via Jak1/Stat3 Activation in Gastric Epithelial AGS Cells
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Lee YM, Kim MJ, Kim Y, Kim H
- KMID: 2380868
- J Cancer Prev.
- 2015 Sep;20(3):179-184.
- doi: 10.15430/JCP.2015.20.3.179
BACKGROUND: The Janus kinase (Jak)/Signal transducers of activated transcription (Stat) pathway is an upstream signaling pathway for NF-kappaB activation in Helicobacter pylori-induced interleukin (IL)-8 production in gastric epithelial AGS cells.... -
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