This document discusses a new technique for analyzing volatile organic compounds (VOCs) in human breath to diagnose health problems. It describes how a small breath sample is collected and analyzed using gas chromatography and a Deep Ultra Violet Analyzer (DUVA) to detect VOCs. Studies have shown this technique can accurately detect cancers like lung cancer and colorectal cancer by identifying specific VOCs in exhaled breath. The goal is to develop a distributed system of breath analysis instruments connected to a central database and control to enable widespread, low-cost, non-invasive screening and monitoring of health conditions through breath VOC analysis.
Convergence of Occupational and Environmental Exposure Science: the Whole Pic...Retired
The presentation was given at the 24th Annual Meeting of the International Society of Exposure Science (ISES) in Cincinnati (www.ISES2014.org).
It describes work in the HEALS project (www.HEALS-eu.eu). This project has received funding from the European Union’s Seventh Programme for research, technological development and demonstration under grant agreement No 603946.
.
12 weeks Switch to Vaping: Science of Vaping Fontem Ventures
A randomised, parallel group clinical study was performed to evaluate the safety profile of an e-vapour
product (EVP; 2.0% nicotine) in smokers of conventional cigarettes (CCs) switching to use the EVP for 12
weeks.
I was recently tasked with reviewing and presenting this article. I wanted to share my presentation and the concerning findings with higher than expected incidents of bronchiectasis among the study group. The findings beg the questions: 1) Are we catching/ helping diagnose patients with bronchiectasis and 2) Are we treating these patients with the proper therapies?
Convergence of Occupational and Environmental Exposure Science: the Whole Pic...Retired
The presentation was given at the 24th Annual Meeting of the International Society of Exposure Science (ISES) in Cincinnati (www.ISES2014.org).
It describes work in the HEALS project (www.HEALS-eu.eu). This project has received funding from the European Union’s Seventh Programme for research, technological development and demonstration under grant agreement No 603946.
.
12 weeks Switch to Vaping: Science of Vaping Fontem Ventures
A randomised, parallel group clinical study was performed to evaluate the safety profile of an e-vapour
product (EVP; 2.0% nicotine) in smokers of conventional cigarettes (CCs) switching to use the EVP for 12
weeks.
I was recently tasked with reviewing and presenting this article. I wanted to share my presentation and the concerning findings with higher than expected incidents of bronchiectasis among the study group. The findings beg the questions: 1) Are we catching/ helping diagnose patients with bronchiectasis and 2) Are we treating these patients with the proper therapies?
PneumoniaCheck by ARC Medical, The link between diagnosis and treatment of Pn...Steve Koontz
The Need:
Pneumonia is a leading cause of death in children worldwide. Over 2 million children die from pneumonia each year and one child dies every 20 seconds. The problem with current diagnosis methods is one of sampling. Mouth and nose samples have contaminating bacteria, which result in many false positives. Additionally, the samples are unable to identify the pathogen; hospital stays are lengthened increasing the chances that cases will become complicated. Since the pathogen cannot be identified, patients receive broad-spectrum antibiotics, which are often unnecessary and can cause antibiotic resistance. Other methods, such as a chest x-ray, can identify fluid in the lungs, but cannot identify the specific pathogen causing the pneumonia.
The Device:
PneumoniaCheck uses fluid mechanics to separate the upper airway particles from the lower airway particles. The separation means that only a lung specimen is captured on the filter at the end of the device. This filter can then be analyzed using traditional microbiology methods or mor sensitive molecular DNA analysis to identify the specific pathogen causing pneumonia, or other lower respiratory infections. The ability to identify the specific pathogen will allow for more targeted antibiotic treatment or none at all if viral, which should reduce antibiotic resistance and other complications. PneumoniaCheck is an easy-to-use, noninvasive, disposable solution for collecting respiratory specimens to help reduce one of the world’s largest health problems. PneumoniaCheck may be used on patients three feet and taller.
The 4 W’s of Microcirculation and Tissue pO2: An in vivo Approach in Animal ...Scintica Instrumentation
The survival of tissues and organs relies on a sufficient supply of oxygen, among other things, which are distributed via microvascular blood perfusion. Tissue oxygen (pO2) is a readout of oxygen availability at the cellular level representing the balance between oxygen supply and metabolic oxygen consumption. In addition, the measurement of microvascular blood perfusion provides critical information for research applications where blood supply has been disrupted. Combining these measurements into one sensor gives researchers a very powerful and unique tool to answer questions in the areas of physiology, oncology, cerebral monitoring, ischemia/reperfusion, ophthalmology and many more. Methods used to measure these parameters are made possible using the latest in fiber optic sensing technology; the OxyLite™ and OxyFlo™ tissue vitality monitors.
The ability to assess microvascular blood flow and tissue oxygen concentrations is especially useful when investigating stroke and shock models, among a variety of other research applications that involve ischemia/reperfusion. Microvascular flow data can indicate occlusion, as observed in stroke/MI models, or microcirculatory health of individual organs, as demonstrated in some shock studies. Further, measuring dissolved oxygen can provide more meaningful data than blood oxygen saturation. Dissolved oxygen in the tissue, for example, indicates unbound oxygen available to cells. In contrast, there are a variety of factors that influence oxygen-hemoglobin dissociation and quantifying the percent of hemoglobin bound to oxygen (pulse oximetry, SpO2) may not be indicative of what is immediately available to the tissue. Using the OxyFlo and OxyLite probes, researchers can quantify tissue blood flow and dissolved oxygen with a wide range of probe sizes appropriate for a substantial list of applications.
During this webinar, Sarah McFarlane will discuss some of the applications for this state-of-the-art technology in pre-clinical research and explain the technology behind these sensors that allows researchers to measure both tissue oxygen and blood perfusion from specific microregions.
PneumoniaCheck by ARC Medical, The link between diagnosis and treatment of Pn...Steve Koontz
The Need:
Pneumonia is a leading cause of death in children worldwide. Over 2 million children die from pneumonia each year and one child dies every 20 seconds. The problem with current diagnosis methods is one of sampling. Mouth and nose samples have contaminating bacteria, which result in many false positives. Additionally, the samples are unable to identify the pathogen; hospital stays are lengthened increasing the chances that cases will become complicated. Since the pathogen cannot be identified, patients receive broad-spectrum antibiotics, which are often unnecessary and can cause antibiotic resistance. Other methods, such as a chest x-ray, can identify fluid in the lungs, but cannot identify the specific pathogen causing the pneumonia.
The Device:
PneumoniaCheck uses fluid mechanics to separate the upper airway particles from the lower airway particles. The separation means that only a lung specimen is captured on the filter at the end of the device. This filter can then be analyzed using traditional microbiology methods or mor sensitive molecular DNA analysis to identify the specific pathogen causing pneumonia, or other lower respiratory infections. The ability to identify the specific pathogen will allow for more targeted antibiotic treatment or none at all if viral, which should reduce antibiotic resistance and other complications. PneumoniaCheck is an easy-to-use, noninvasive, disposable solution for collecting respiratory specimens to help reduce one of the world’s largest health problems. PneumoniaCheck may be used on patients three feet and taller.
The 4 W’s of Microcirculation and Tissue pO2: An in vivo Approach in Animal ...Scintica Instrumentation
The survival of tissues and organs relies on a sufficient supply of oxygen, among other things, which are distributed via microvascular blood perfusion. Tissue oxygen (pO2) is a readout of oxygen availability at the cellular level representing the balance between oxygen supply and metabolic oxygen consumption. In addition, the measurement of microvascular blood perfusion provides critical information for research applications where blood supply has been disrupted. Combining these measurements into one sensor gives researchers a very powerful and unique tool to answer questions in the areas of physiology, oncology, cerebral monitoring, ischemia/reperfusion, ophthalmology and many more. Methods used to measure these parameters are made possible using the latest in fiber optic sensing technology; the OxyLite™ and OxyFlo™ tissue vitality monitors.
The ability to assess microvascular blood flow and tissue oxygen concentrations is especially useful when investigating stroke and shock models, among a variety of other research applications that involve ischemia/reperfusion. Microvascular flow data can indicate occlusion, as observed in stroke/MI models, or microcirculatory health of individual organs, as demonstrated in some shock studies. Further, measuring dissolved oxygen can provide more meaningful data than blood oxygen saturation. Dissolved oxygen in the tissue, for example, indicates unbound oxygen available to cells. In contrast, there are a variety of factors that influence oxygen-hemoglobin dissociation and quantifying the percent of hemoglobin bound to oxygen (pulse oximetry, SpO2) may not be indicative of what is immediately available to the tissue. Using the OxyFlo and OxyLite probes, researchers can quantify tissue blood flow and dissolved oxygen with a wide range of probe sizes appropriate for a substantial list of applications.
During this webinar, Sarah McFarlane will discuss some of the applications for this state-of-the-art technology in pre-clinical research and explain the technology behind these sensors that allows researchers to measure both tissue oxygen and blood perfusion from specific microregions.
Welcome to TechSoup New Member Orientation and Q&A (May 2024).pdfTechSoup
In this webinar you will learn how your organization can access TechSoup's wide variety of product discount and donation programs. From hardware to software, we'll give you a tour of the tools available to help your nonprofit with productivity, collaboration, financial management, donor tracking, security, and more.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
A Strategic Approach: GenAI in EducationPeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
Embracing GenAI - A Strategic ImperativePeter Windle
Artificial Intelligence (AI) technologies such as Generative AI, Image Generators and Large Language Models have had a dramatic impact on teaching, learning and assessment over the past 18 months. The most immediate threat AI posed was to Academic Integrity with Higher Education Institutes (HEIs) focusing their efforts on combating the use of GenAI in assessment. Guidelines were developed for staff and students, policies put in place too. Innovative educators have forged paths in the use of Generative AI for teaching, learning and assessments leading to pockets of transformation springing up across HEIs, often with little or no top-down guidance, support or direction.
This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
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An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
Biological screening of herbal drugs: Introduction and Need for
Phyto-Pharmacological Screening, New Strategies for evaluating
Natural Products, In vitro evaluation techniques for Antioxidants, Antimicrobial and Anticancer drugs. In vivo evaluation techniques
for Anti-inflammatory, Antiulcer, Anticancer, Wound healing, Antidiabetic, Hepatoprotective, Cardio protective, Diuretics and
Antifertility, Toxicity studies as per OECD guidelines
BÀI TẬP BỔ TRỢ TIẾNG ANH GLOBAL SUCCESS LỚP 3 - CẢ NĂM (CÓ FILE NGHE VÀ ĐÁP Á...
London-2015_09_05.pptx
1. Your Health in a Breath
International Conference on Health, Healthcare and Eco-civilisation
Thomas Lundeberg
托马斯•兰德伯格
A novel technique for the assessment of volatile organic compounds in the
environment and in human breath
评价环境和人类呼吸中挥发性有机化合物的一项新技术
2. Trends in healthcare
• Growing world population
• Aging world population
• Demand for increased health care
• Increase of diseases like cancer, diabetes, obesity and COPD
Need for faster, better, cost-effective diagnostic methods
…beyond conventional laboratory medicine…
This is already happening
3. Breath analysis
The Wall Street Journal October 9th , 2012
The concept goes back to Hippocrates, who wrote a treatise
on breath aroma and disease around 400 B.C.
It's the ultimate noninvasive medical test: A growing
number of health problems can be diagnosed by analyzing a
patient's breath alone.
"Anything you can have a blood test for, there is potentially
a breath test for, as long as there is a volatile - capable of
readily changing from a solid or liquid form to a vapor –
component.
VOC: Volatile Organic Compound
4. DUVA
Deep Ultra Violet Analyzer
• Spectrum in the deep ultra violet range [125-330] nm
• Sequential analysis of different VOCs
• ”Non destructive” analysis of VOCs – compared to MS
• Measurable quantity of original substance – down to pico gram
Proprietary technology
5. Pre analytic phase
Sample collection
As little as half a liter of exhaled air sampled in a “plastic”
bag is enough to detect chemical substances that originates
from tissues.
This kind of sample collection is already used today for a
number of standard laboratory tests, in example for
detection of Helicobacter pylori (ulcer)
6. Pre analytic phase
Sample extraction
SPME: Solid-phase microextraction
The needle is inserted into the plastic bag and VOCs are
captured in the fiber.
Fast and simple procedure
7. Pre analytic phase
Pre-processing
Gas chromatography: all substances are sequentially
separated in gas phase in order of boiling
point/vaporized pressure.
Helium or Nitrogen are used as gas carriers
The SPME is inserted in the chromatograph and gas is
injected in the system
8. Analysis
Absorbance spectrum
The absorbance spectrum is measured and
recorded in the DUVA control center
The data is post-processed and matched with
a database of VOCs
A database with the spectrum of over 1300 VOCs
9. Detection
British Journal of Surgery, January 2013
“Exhaled volatile organic compounds identify patients
with colorectal cancer”
Gas-chromatography mass-spectroscopy
15 compounds identified
37 patients
Overall accuracy of 76%
10. Detection
Cancer Medicine, February 2014
“Exhaled volatile organic compounds identify patients
with lung cancer”
Early detection is a key factor for increasing survival
4 compounds identified in 97 patients
late stages (II-IV) had higher levels
Overall accuracy of 83%
11. Conceptual
Distributed test instruments
Central data base
Central control
Data compilation
Data Communication
One instrument type and One system for multiple health checks for future medical care
12. Primary aim
Early detection of lung cancer
Early detection of colorectal cancer
Treatment assessment
Follow-ups
Early detection