Showing 1-25 of 625 resultsfor "Index Terms":Hemoglobin Concentration
"Index Terms":Hemoglobin Concentration
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Numerical Simulation for Changes of Glucose Concentration and Hemoglobin Concentration in a Closed Tissue Solution System
2024 17th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI)
Year: 2024 | Conference Paper |
The relationship between the concentration of glucose and hemoglobin in a closed tissue solution system is foundation of the aerobic metabolism of glucose. We first established the dynamic equation of glucose aerobic metabolism in a closed tissue solution system, and then calculated the changes of glucose concentration, hemoglobin concentration, and oxygen saturation over time in the glucose aerob...Show More
Optimum Wavelengths on Haemoglobin Concentration Measurement
2018 International Symposium on Electronics and Smart Devices (ISESD)
Year: 2018 | Conference Paper |
Cited by: Papers (3)
Hemoglobin is significant part of red blood cell to transport the oxygen and carbon dioxide. The concentration of hemoglobin in the blood can be used to determine a person's health condition. These days, accurate and reliable measurement of hemoglobin concentration is done by using invasive method such as cyanmethemoglobin and automated hematology analyser. Yet this method is costly, high risk of ...Show More
Optoacoustic technique for continuous, noninvasive measurement of total hemoglobin concentration: an in vivo study
I.Y. Petrova;D.S. Prough;Y.Y. Petrov;H.-P.F. Brecht;C.H. Svensen;J. Olsson;D.J. Deyo;R.O. Esenaliev
The 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Year: 2004 | Conference Paper |
We used an optoacoustic technique to measure continuously and noninvasively total hemoglobin concentration in human blood in vivo. An optoacoustic probe, which combined illuminating fibers and a piezoelectric sensitive element, was placed in contact with the skin over the radial artery. Measurements in healthy volunteers agreed well with actual hemoglobin concentration.Show More
Simultaneous Molecular and Hypoxia Imaging of Brain Tumors In Vivo Using Spectroscopic Photoacoustic Tomography
Meng-Lin Li;Jung-Taek Oh;Xueyi Xie;Geng Ku;Wei Wang;Chun Li;Gina Lungu;George Stoica;Lihong V. Wang
Noninvasive molecular and functional imaging in vivo is promising for detecting and monitoring various physiological conditions in animals and ultimately humans. To this end, we present a novel noninvasive technology, spectroscopic photoacoustic tomography (SPAT), which offers both strong optical absorption contrast and high ultrasonic spatial resolution. Optical contrast allows spectroscopic sepa...Show More
Quantitative Evaluation of Rehabilitation Effect on Peripheral Circulation of Diabetic Foot
Diabetes may cause different foot problems, which could easily lead to infection, ulcers, and increasing risk of amputation due to nerve or vascular injury. In order to reduce the risk of amputation, Buerger's exercise is frequently used for rehabilitation to improve the blood circulation in lower limbs. However, it is difficult to evaluate the rehabilitation efficiency with Buerger's exercise obj...Show More
Automatic Segmentation of Relevant Sections of the Conjunctiva for Non-Invasive Anemia Detection
2018 3rd International Conference on Smart and Sustainable Technologies (SpliTech)
Year: 2018 | Conference Paper |
Cited by: Papers (5)
Anemia is diagnosed by measuring the blood concentration of hemoglobin (Hb). In the literature, many studies have aimed to diagnose anemia with non-invasive methods, for example, estimating the pallor of the conjunctiva by means of digital images. In this way, this paper aims to identify a procedure for the automatic segmentation and optimization of conjunctiva sections. Therefore, image analysis ...Show More
Non-invasive detecting cerebral hemoglobin concentration of newborns during oxygen inhalation using near-infrared spectroscopy
The 2011 IEEE/ICME International Conference on Complex Medical Engineering
Year: 2011 | Conference Paper |
Cited by: Papers (1)
Human tissue oxygenation status can be completely described by the absolute values of the tissue hemoglobin concentrations. To detect them non-invasively and conveniently using continuous-wave near infrared spectroscopy (NIRS), the “in vivo calibration” algorithm was adopted. Three newborns were discussed during oxygen inhalation. By comparing the absorption coefficient before and after the change...Show More
Accurate, noninvasive measurement of total hemoglobin concentration with optoacoustic technique
H.-P.F. Brecht;D.S. Prough;Y.Y. Petrov;I.Y. Petrova;D.J. Deyo;R.O. Esenaliev
The 26th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Year: 2004 | Conference Paper |
Cited by: Papers (2)
The measurement of total hemoglobin concentration is currently invasive and time consuming. The optoacoustic technique may provide accurate and noninvasive measurements of total hemoglobin concentration by probing blood vessels. We studied the influence of blood vessel diameter and lateral displacement of the optoacoustic probe on accuracy of total hemoglobin concentration measurements with this t...Show More
A Comprehensive Review of Emerging Technologies for Anemia Detection
2022 8th International Conference on Signal Processing and Communication (ICSC)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
In recent year, anemia emerges as a major health concern among the children and pregnant woman in developing countries like India. The National Family Health Survey data also shows a spike in the anemia prevalence in children & women across most states in India. The low concentration of hemoglobin in the blood is the major indicator of anemia in an individual. Considering this fact, extensive rese...Show More
The effect of round-the-clock illumination on blood hemoglobin level, body composition and endurance of C57Bl/6 mice
Irina Yurievna Ishchenko;Svetlana Viktorovna Michurina;Anna Stanislavovna Khotskina;Nikita Valeryevich Khotskin;Svetlana Olegovna Maslennikova;Evgenii L. Zavjalov
2020 Cognitive Sciences, Genomics and Bioinformatics (CSGB)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
We assessed the influence of 24-hour lighting (24hL) on blood hemoglobin content, component body composition (fat, lean mass and total mass of water) and physical endurance of C57BL/6 mice male. The body weight of C57Bl/6 mice male, keeping under 24hL for 14 days (24 hours light/0 hours dark), increased at the end of the experiment in comparison with intact animals (14 hours light /10 hours dark)....Show More
The effect of round-the-clock illumination on blood hemoglobin level, body composition and endurance of C57Bl/6 mice
Irina Yurievna Ishchenko;Svetlana Viktorovna Michurina;Anna Stanislavovna Khotskina;Nikita Valeryevich Khotskin;Svetlana Olegovna Maslennikova;Evgenii L. Zavjalov
Year: 2020 | Conference Paper |
Non-invasive measurement of heart rate and hemoglobin concentration level through fingertip
2015 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems (SPICES)
Year: 2015 | Conference Paper |
Cited by: Papers (9)
This paper proposes a low cost method for the estimation of blood parameters using photo-plethysmography (PPG) technique. Data is obtained non-invasively from the fingertip, which is processed to estimate the heart rate and the hemoglobin concentration. The signal received from fingertip is first processed via analog filters and the output is sent to a computer through a microcontroller interface ...Show More
Relationship Between Maternal Gestation Period and Hemoglobin Concentration in Anning District
Xin Xiong;Jing Zhang;Ling Guo;Hongjiang Zhang;Chengxin Lu;Xiao Mo;Chao Song;Wangying Zhou;Jianfeng He;Zhengyu Qin
2023 7th International Symposium on Computer Science and Intelligent Control (ISCSIC)
Year: 2023 | Conference Paper |
Because of the close relationship between pregnancy complications and maternal hemoglobin concentration during pregnancy, this paper discusses the correlation between pregnancy weeks and maternal hemoglobin concentration during pregnancy. In this study, 17,163 subjects in Anning area were analyzed. Gestational weeks and hemoglobin concentration of pregnant female were recorded, and the subjects we...Show More
Analysis of blood by Spectroscopy Near Infrared
2020 12th International Conference on Electronics, Computers and Artificial Intelligence (ECAI)
Year: 2020 | Conference Paper |
Measuring blood elements in a non-invasive manner is an important step for biomedicine and for finding health information in a timely manner for patients. In this article we discuss methods about measurement of formed elements blood by non-invasive near infrared: erytrocytes, leukocytes and platelets.Show More
A novel magnetoplethysmogram (MPG) system is designed and developed for the real time, noninvasive monitoring of hemoglobin concentration in arterial blood. The basic principle of modulated magnetic signature of blood (MMSB), is validated with clinical trial. The MPG probe consists of a permanent magnet and a Giant Magneto Resistance (GMR) sensor. A strap and stand design enable reliable capture o...Show More
Multi-Directional Reflective Non-Invasive Test System for Detecting Hemoglobin Concentration After Skin Flap Transplantation
Jin-Long Zhang;Ming Xin;Lin Yun;Xiao-Xiao Han;Jing He;He You
2018 11th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics (CISP-BMEI)
Year: 2018 | Conference Paper |
Hemoglobin concentration, as an important indicator of the recovery of the surgical site of the flap graft, can reflect the state of blood circulation. Current methods for monitoring blood flow after surgery are limited to physical observations and empirical diagnosis of skin temperature, color, and swelling, or only rough determination of oxygen saturation, and less to realtime monitoring of hemo...Show More
Multiple optodes configuration for measuring the absolute hemodynamic response using spatially resolved spectroscopy method: An fNIRS study
2015 15th International Conference on Control, Automation and Systems (ICCAS)
Year: 2015 | Conference Paper |
Cited by: Papers (2)
The paper presents a method for measuring the absolute hemoglobin concentration using a multiple optodes configuration. The functional near-infrared spectroscopy (fNIRS) is used for obtaining the data of the right individual two-finger movement (i.e., thumb and index fingers) in the left motor cortex. The measured light intensities of four healthy male subjects are converted to the absolute hemogl...Show More
Mathematical Model for the Hemodynamic Response to Venous Occlusion Measured With Near-Infrared Spectroscopy in the Human Forearm
Toi Van Vo;Peter E. Hammer;Matthew L. Hoimes;Shalini Nadgir;Sergio Fantini
We propose a mathematical model to describe the hemodynamic changes induced by a venous occlusion in a human limb. These hemodynamic changes, which include an increase in blood volume, a reduction in blood flow, and modifications to the oxygen saturation of hemoglobin, can all be measured noninvasively with near-infrared spectroscopy (NIRS). To test the model, we have performed NIRS measurements o...Show More
Hyperspectral imaging of vascular anastomosis associated with blood flow and hemoglobin concentration
2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
Year: 2015 | Conference Paper |
Cited by: Papers (4)
The feasibility of optical non-invasive evaluation of the graft function of vascular anastomosis was investigated in vitro using hyperspectral imaging (HSI) in the wavelength range from 500 to 600 nm. A Y-shaped vessel was made using porcine carotid arteries having an inner diameter of 3.5 to 4 mm. The graft vessel was anastomosed at a 45° angle with 8-0 polypropylene suture. Fresh porcine blood a...Show More
WearLight: Toward a Wearable, Configurable Functional NIR Spectroscopy System for Noninvasive Neuroimaging
Functional near-infrared spectroscopy (fNIRS) has emerged as an effective brain monitoring technique to measure the hemodynamic response of the cortical surface. Its wide popularity and adoption in recent time attribute to its portability, ease of use, and flexibility in multimodal studies involving electroencephalography. While fNIRS is still emerging on various fronts including hardware, softwar...Show More
A proposed noninvasive point-of-care technique for measuring hemoglobin concentration
Asma Z. Yamani;Futun M. Alqahtani;Noura S. Alshahrani;Razan M. Alzamanan;Nida Aslam;Atheer S. Algherairy
2019 International Conference on Computer and Information Sciences (ICCIS)
Year: 2019 | Conference Paper |
Cited by: Papers (4)
Non-invasive methods have been a big part of research due to their low cost and because they are more convenient for the patient and healthcare providers. Detecting Iron Deficiency-Anemia early plays a significant role in a person's health, and it is done usually by blood withdraw and performing a CBC test. In this research, we explore different non-invasive and less-invasive techniques developed ...Show More
Non-invasive measurement of hemoglobin concentration using magnetic plethysmo gram
2016 IEEE International Symposium on Medical Measurements and Applications (MeMeA)
Year: 2016 | Conference Paper |
A method for determining the concentration of hemoglobin in arterial blood, non invasively, is explored in this paper. A permanent magnet is placed just above the radial artery of a person whose hemoglobin concentration is to be ascertained. The flux produced by the permanent magnet (that links with the blood flow in the radial artery) is sensed to obtain a signal called magnetic plethysmogram (MP...Show More
Implantable Multi-Modality Probe for Subdural Simultaneous Measurement of Electrophysiology, Hemodynamics, and Temperature Distribution
Toshitaka Yamakawa;Takao Inoue;Masatsugu Niwayama;Fumiaki Oka;Hirochika Imoto;Sadahiro Nomura;Michiyasu Suzuki
Objective: The purpose of this paper is to demonstrate how the integration of the multi-channel measurement capabilities of near-infrared spectroscopy (NIRS), electrocorticography (ECoG), and negative temperature coefficient thermistor sensors into a single device compact enough for subdural implantation can provide beneficial information on various aspects of brain cortical activity and prove a p...Show More
Detection of Blood Glucose With Hemoglobin Content Using Compact Photonic Crystal Fiber
Dhinakaran Vijayalakshmi;C. T. Manimegalai;N. Ayyanar;D. Vigneswaran;K. Kalimuthu
We have proposed Twin Elliptical Core Photonic Crystal Fiber (TEC-PCF) sensor for the detection of blood glucose level under the influence of hemoglobin components. The main featuring of the proposed biosensor is to detect the wide range of blood glucose content with enhanced sensitivity, by utilizing small length of the fiber. In order to achieve this, we have constructed asymmetric TEC-PCF where...Show More
Blood Hemoglobin and Urine Glucose Level Detection Using Copper-Graphene Based SPR Biosensor
Rifat Rahman Rafi;Abu S.M. Mohsin;Md. Mosaddequr Rahman;Mohammed Belal Hossain Bhuiyan
2024 6th International Conference on Electrical Engineering and Information & Communication Technology (ICEEICT)
Year: 2024 | Conference Paper |
This study aims to investigate the surface plasmon resonance (SPR)-based biosensor to measure Hemoglobin concentration in blood and glucose level in urine employing copper-graphene-sensing medium based biosensor model. Hb is an essential protein that can be used to identify and quantify various medical conditions. Similarly, glucose level in urine holds pivotal significance in understanding an ind...Show More
Monitoring the Depth of Anesthesia Through the Use of Cerebral Hemodynamic Measurements Based on Sample Entropy Algorithm
Gang Wang;Zhian Liu;Yiming Feng;Jinming Li;Hailong Dong;Dong Wang;Jing Li;Nong Yan;Tun Liu;Xiangguo Yan
Objective: The aim of this study is to explore the relationship between the depth of anesthesia and the cerebral hemodynamic variables during the complete anesthesia process. Methods: In this study, near-infrared spectroscopy signals were used to record eight kinds of cerebral hemodynamic variables, including left, right, proximal, distal deoxygenated (Hb) and oxygenated (HbO2) hemoglobin concentr...Show More
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