L’un des concepteurs de l’ordinateur vainqueur du Jeopardy remporte le prix Turing Le mois dernier, un ordinateur avait réussi à battre deux spécialistes du jeu “Jeopardy”, célèbre aux Etats-Unis. Le créateur de l’appareil, le professeur Leslie Valiant, vient d’être consacré en remportant le prix Turing, l’équivalent du Nobel chez les informaticiens. Leslie Valiant, professeur d’informatique et de mathématiques appliquées à Harvard vient d’être récompensé par le prix Turing pour ses “contributions à l’évolution de la théorie de l’informatique cognitive et plus largement à la théorie informatique”, indique l’Association for Computing Machinery. Ayant récemment créé l’ordinateur vainqueur du jeu Jeopardy!, qui teste les connaissances de candidats dans toutes sortes de domaines, Leslie Valiant a permis, selon le président de l’Association, Alain Chesnais, “de bâtir des formes modernes d’apprentissage par la machine et de communication”. Des découvertes que le président qualifie également “d’extraordinaires en matière d’apprentissage par la machine”. Le 11 mars 2011 à 15:21 • Emmanuel Perrin
Des polluants détectés dans l’eau, même en bouteilleUne enquête réalisée par WWF (le Fonds mondial pour la nature) montre que l’eau de boisson des Français, qu’elle provienne d’une bouteille ou directement du robinet, contient des résidus de produits chimiques. WWF dénonce, dans un rapport d’enquête qui a été publié hier, la présence de résidus chimiques dans l’eau que nous buvons. Qu’il s’agisse de l’eau du robinet ou d’une eau en bouteille, toutes contiennent des éléments toxiques. À lire aussiRétention d’eau : symptômes, remèdes, causes, que faire en cas d’oedème ?Initialement, WWF recherchait les traces de micropolluants métalliques, de substances azotées ou phosphorées issues de pesticides, de PCB, de bisphénol A et de résidus médicamenteux. En tout, 179 molécules étaient recherchées et 19 ont été retrouvées dans l’eau des 41 villes testées en 2009. Il s’agissait pour l’essentiel de nitrates, de résidus chlorés ou bromés de sous-produits de désinfection et de l’aluminium comme le rapporte Ouest-France. Dans 20% des cas, de l’atrazine déséthyl, un herbicide interdit depuis 2003, a été retrouvé. L’enquête dévoile que “plus de 90% des eaux de ville testées présentaient des teneurs quantifiables en nitrates et plus de 50% étaient contaminées par de l’aluminium qui pourrait provenir en partie des traitements de l’eau avant distribution”. Même si les concentrations étaient inférieures aux normes imposées, WWF s’inquiète de l'”effet cocktail de ces résidus” qui, s’ils ne sont pas particulièrement nocifs séparément, peuvent en revanche devenir dangereux une fois combinés entre eux. De plus il est difficile d’évaluer l’impact “à long terme” de cette “exposition à faibles doses” sur la santé des consommateurs. En ce qui concerne l’eau en bouteille, quatre micropolluants ont été retrouvés sur 14 sites analysés. Il s’agit de nitrates (jusqu’à 8 mg/l quand l’étiquette en affiche 6,3), d’aluminium, d’antimoine et même de plomb. Sur les quinze marques testées, seules les eaux de Plancoët (Bretagne) et de Matouba (Guadeloupe) sont vierges de polluants. WWF explique que “la diversité et l’augmentation constante du nombre de molécules chimiques dans les eaux de boisson, posent un réel problème et ne peut que nous inquiéter car on boit de l’eau tous les jours”. Le 20 mai 2011 à 12:26 • Emmanuel Perrin
The Washington Department of Transportation is planning to redesign two problematic intersections along state Highway 14 in Washougal, but a lot of planning is needed before construction begins.“We’re trying to build something that meets the needs of as many people as possible,” WSDOT spokeswoman Tamara Greenwell said.According to WSDOT, there are a lot of collisions at the intersections of state Highway 14 and 15th Street, and state Highway 14 and 32nd Street. Additionally, their designs limit freight and local traffic in an out of the city and the Port of Camas-Washougal.For example, drivers leaving Washougal from southbound 32nd Street can’t turn left onto eastbound state Highway 14. Port of Camas-Washougal tenants can’t turn left onto westbound state Highway 14, instead having to go east onto city streets before getting back on the highway.WSDOT wants to design the new intersections to balance the needs of freight, area residents and local businesses, but also the future growth plans of the city of Washougal. For the last couple of weeks WSDOT has been collecting public input on the project. It will continue to do so until Nov. 7,With a project budget of $7.5 million, WSDOT has developed seven different possible scenarios involving multiple combinations of roundabout, signals, ramps and some safety improvements for the future intersections, which the agency has made available to the public during an open house and via its website. However, Greenwell emphasized the designs are not final products. Engineers will use the public’s input to modify the plan that will be publicly shared early next year.Construction on the project is set to begin in the spring of 2019.
A Space Force could need 15,000 to 20,000 personnel, Acting Defense Secretary Patrick Shanahan said Wednesday at a CSIS event. The administration’s budget requested funding for 15,000.Shanahan said the costs could go up.“In the department, we’re really going to do a bottoms-up approach to cost,” Shanahan said, according to Military.com. “Cost grows if you don’t limit it. To me, it’s like, we need to cap it.”The fiscal year 2020 budget asks for $72.4 million to establish the new branch within the Air Force and asks for $2 billion total over five years.Air Force photo ADC AUTHOR
Tariffs on electronics will get a short reprieve according to the United States Trade Representative. Getty Images A new round of tariffs on Chinese imports is set to go into effect on Sept. 1. However, the United States Trade Representative said Tuesday that the inclusion of some electronic devices made in China is getting a delay and that other items have been removed from the tariff lists altogether. The USTR will delay, until Dec. 15, tariffs planned for products including cellphones, laptop computers, video game consoles, certain toys, computer monitors and certain items of footwear and clothing, according to a release Tuesday. The agency removed several items from the list permanently, citing “health, safety, national security and other factors,” but didn’t provide a list of those items.President Donald Trump began his push for a tariff on electronic goods made in China last November. The US Trade Representative announced in May a list of products to receive a 10% tariff, which included phones, laptops and game consoles. Since then Apple, Sony, Nintendo and Microsoft sent letters to the USTR saying tariffs would affect the US economy and increase the price of their products. Aug 31 • iPhone XR vs. iPhone 8 Plus: Which iPhone should you buy? Galaxy A50 takes aim at Moto G7 for best budget phone Review • iPhone XS review, updated: A few luxury upgrades over the XR 3:17 See It Sprint Now playing: Watch this: Preview • iPhone XS is the new $1,000 iPhone X Aug 31 • iPhone 11, Apple Watch 5 and more: The final rumors $999 $999 reading • US delays tariffs on phones, laptops and video game consoles Mentioned Above Apple iPhone XS (64GB, space gray) 0 Share your voice CNET may get a commission from retail offers. See It $999 Apple iPhone XS See All $999 Apple Boost Mobile • Aug 31 • Your phone screen is gross. Here’s how to clean it 19 Photos Aug 31 • Verizon vs AT&T vs T-Mobile vs Sprint: Choose the best 5G carrier Post a comment See it Tags Lenovo Legion Y545 puts new parts in a tried-and-true body Mobile Laptops Gaming Best Buy See It Microsoft Sony Apple
New Delhi: A civil engineer died after his throat was slit by glass-coated manjha or kite string in Delhi’s Paschim Vihar area while he was going to a relative’s place, police said on Friday. After celebrating Raksha Bandhan on Thursday, Manav Sharma, 28, and his two younger sisters were en route to Hari Nagar on his scooter to meet their aunt, a senior officer said. Also Read – Man held for slapping woman employee at Gurgaon toll plaza booth Advertise With Us When he was travelling on the Paschim Vihar flyover, a Chinese manjha from a kite got entangled around Manav Sharma’s neck and slit his throat. The cut was so deep that his windpipe was slashed and he fell before he could halt the scooter, the officer said. Manav Sharma was taken to a hospital where he was declared brought dead. His two sisters escaped unhurt. The man was a resident of Budh Vihar and worked as a civil engineer with a private builder, the officer said. Also Read – One arrested for firing outside Satna college in Madhya Pradesh Advertise With Us A case has been registered under sections of the Indian Penal Code, the police said. The Delhi police has received 15 calls relating to Chinese ‘manjha’ on Thursday and eight people were injured. Seventeen cases have been registered under Section 188 of the IPC for using glass-coated kite string (manjha). According to a Supreme Court directive, there is a nationwide ban on the procurement, sale and use of glass powder-coated ‘manjha’ and other dangerous kite strings.
Infosys shares staged a comeback on Tuesday, shrugging off a spate of bad news that began on August 13 when the company lost a multi-million project of the Royal Bank of Scotland (RBS) and later on Monday, after it admitted to sacking “underperformers”.The Infosys stock opened marginally higher from its Monday close of Rs. 1,015.40 and rose to an intraday high of Rs. 1,041 before closing at Rs. 1,039.25, a gain of 2.35 percent.Meanwhile, continuing with the spell of bad news, the company was told that its proposal to set up an IT SEZ in West Bengal has been rejected since the state did not make the due recommendation.”After deliberations, the board rejected the proposal due to lack of recommendation from the state government,” PTI quoted from the minutes of the meeting held on August 12 by the Board of Approval (BoA), headed by commerce secretary Rita Teaotia.The company’s proposal was to set up an SEZ in South 24 Paragnas spread over 20 hectares.Read: Infosys denies reports of 500 layoffs; says only underperformers asked to leaveBengaluru-based Infosys will be hosting analysts’ meet on Wednesday (August 24), as informed by the company in a regulatory filing to the BSE on Tuesday.The outcome of the meet could well decide the future course of the share price of India’s second-largest IT software services exporter.In a note on Tuesday, brokerage Nirmal Bang said that a range of issues would be in focus, especially the company’s take on performance in the second half of the current fiscal and how things pan out in view of global headwinds, especially in Europe after Brexit.Here are some of the key issues to watch out for, according to the brokerage:Problems faced in executing its consultancy projects in the healthcare vertical in Q1, Reasons for attrition including top-level exits,Progress on automation â€” the benefits from it had been pushed to FY2018 from 2H, FY2017; whether this timeline is on track or more pushback is likely,Whether the company will continue its “pricing to win” strategy or has shelved it, andReasons for its new services meeting growth targets in H2, FY2017.The BSE Sensex closed below the psychological mark of 28,000 at 27,990 while the NSE Nifty also ended almost flat at 8,632.Along with Infosys, top Sensex gainers included TCS, Asian Paints, Bharti Airtel and Wipro.The BSE IT index closed with a gain of 1.82 percent at 10,613.
The Punjab National Bank unearthed a Rs 11,400-crore fraud at its branch in Mumbai.ReutersPunjab National Bank has said that the amount of fraudulent transactions in the Nirav Modi case could be Rs 1,300 crore more than the current estimate of about Rs 11,400 crore.”We have to inform that quantum of reported unauthorized transactions can increase by $204.25 million (approximately),” the bank said in a regulatory filing on Monday.The state-owned lender, earlier this month, “detected some fraudulent and unauthorized transactions” at its Brady House branch in Mumbai.Indian-born diamond jewellery designer Nirav Modi is at the centre of the Punjab National Bank scam and three other big jewellers – Gitanjali Gems, Ginni and Nakshatra – are also under the scanner of various investigative agencies.The fraud revelation that started from Rs 280 crore has now reached over Rs 12,700 crore, about 10 times than the PNB’s annual net profit of Rs 1,324 crore during 2016-17.India’s Enforcement Directorate (ED) has seized Nirav Modi’s cars in the Rs 11,400-crore financial fraud at the Punjab National Bank.The total seizure in the case now stands at Rs 5,826 crore, according to ED officials.The Income Tax department attached property worth Rs 1,200 crore of the Gitanjali Group located in the Special Economic Zone in Hyderabad, newswire PTI reported.Following the PNB scam, the external affairs ministry had suspended the passports of Nirav Modi and Gitanjali promoter Mehul Choksi for four weeks.
A scrap dealer searches for useful material at a weaving factory, that was shut a year ago, in Panipat in the northern state of Haryana, August 29, 2018.ReutersThe report quoted Vinod Nair, head of research at Geojit Financial services, stating that the FPIs have been fearing the global slowdown with major countries posting muted GDP growth. The rumours on the aggravation of the slowdown due to the uncertainty on the US-China trade agreement, Brexit and other geopolitical issues are boosting the fear of the investors. He even added that the situation is endangering earning growth while increasing the share values because of which the investment class is shifting to safe-havens; finding the equity unattractive. However, there are talks that the government might roll back by providing some relief to foreign investors from higher surcharges to stabilise the economic slowdown and boost the industrial outputs. A worker sits on a ship carrying containers at Mundra Port in Gujarat April 1, 2014.ReutersAmidst the declining economy of the country, the foreign investors have been continuously selling their stakes in the Indian market. Within seven trading sessions in August, the investors have cut down their market investments by Rs 9,197 crore.The trend of cutting down the investments was seen after eight core sector industries such as coal, crude oil, natural gas, refinery products, fertiliser, steel, cement, and electricity continued to show a negative growth due to the economy slowdown.A major cut down in the foreign investments was seen after the Modi government announced its budget changing the FDI norms and revised the taxations on the products. According to some market analysts, the trend can be reversed, by addressing the tax concerns of the overseas investors. Indian Economy snapshotThe latest depositories data states that the foreign portfolio investors (FPIs) withdrew a net amount of about Rs 11,134 from equities after pushing in about Rs 1,937 into the debt segment within the first nine days of August. The net withdrawal by the FPI after the settlement was clocked at about Rs 9,179 crore. As per a LiveMint report, the second reason that led the overseas investors to withdraw their investments from the Indian market was the introduction of higher taxes on FPIs registered as trusts and association of persons, announced in the Indian budget 2019-20.
By Hamil R. Harris, Special to the AFROFormer Attorney General Loretta Lynch told faculty and students at Morgan State University that even thought President Trump is trying to overturn the Civil Rights gains pushed by President Barack Obama and that the people have work to do.“As the lessons of history show us, a legacy is more than the cases that we won and the laws that we pass, the true legacy of this last Presidency was in the people that we impacted,” Lynch said at Morgan State on September 24. “The true legacy was in everyone who realizes the power of change. I see that legacy in everyone who raises their voices or takes a knee in peaceful protest.”Former U.S. Attorney General Loretta Lynch spoke at Morgan State University on September 24. (Courtesy Photo)Lynch was the latest guest to come to Morgan State as part of President David Wilson’s Distinguished Scholar Series. Instead of talking about President Trump, her successor Attorney General Jeff Sessions, Supreme Court nominee Bret Kavanaugh and allegations swirling around his nomination, the first African American female U.S. Attorney General talked about her efforts to reform police departments across the country.Lynch spent much of her time talking about the saga following the death of Freddie Gray where she met with Gray’s family, protesters as well as with the police officers who she said “had been pulling 16 hour shifts.”During the panel, guests asked about police brutality and protests.“A riot is the language of the unheard,” Lynch told the audience. “What is it that America has failed to hear? Citizens riot when they feel like their government is not there to protect them.”Lynch also talked the case of Abner Louima, who on August 9, 1997 was beaten and sodomized by police officers from the 70th Precinct in Brooklyn, after he was arrested for an altercation outside of a club.“As a New York prosecutor during the Abner Louima case I spent months with (former New York Mayor) Rudy Giuliani. He has not changed,” Lynch said “There is still tension. We are in different times now. People must stay involved.”Lynch said she and former Attorney General Eric Holder worked in a bi-partisan effort to lower mandatory minimum sentences because “we can’t incarcerate our way out of this problem.” She said what they were able to do is give federal prosecutors “more discretion.”In addition there was a great deal of conversation about the current administration. Lynch said despite what is going on in Congress and in the White House, “I still have hope.”“Government is more than who the President is,” Lynch said. “What is it that America has failed to hear? Our power! And do not ever give it away!”
The tragic news of a Ladysmith High School (LHS) matriculant being killed in a motor vehicle crash has sent shock waves through social media sites.18-year-old Zilingene Mazibuko was travelling with her brother, mother and another LHS matriculant, Babongile Miya, when tragedy struck. They were involved in a tragic crash in the Bloemfontein area.It is known that the family and friend were travelling to a university in Bloemfontein so that both Zilingene and Babongile could register. The two girls matriculated from LHS at the end of last year.Also read: Update: Ladysmith matriculant killed in horror crash near BloemfonteinAlso read: Watch: Community loot stationery from truck after crash in EzakheniAlso read: Breaking News: 5 tragically killed in horror crash on Van Reenen’s Pass WebsiteWebsiteWebsite WebsiteWebsiteWebsite WebsiteWebsiteWebsite The cause of the crash is unknown at this stage. Zilingene and her brother were declared dead at the scene, and their mother passed away in hospital.At this stage, Babongile is in hospital being treated for the injuries she sustained.The management and staff of LHS are deeply saddened by the passing of Zilingene and two other family members, and wish Babongile a speedy recovery.Condolences from the management and staff of the Ladysmith Gazette, and best wishes to Babongile.Update: It has been established that Zilingene’s mother survived the crash and is currently in hospital(This story has been changed due to factual inconsistencies)Click to receive news links via WhatsApp. Or for the latest news, visit our webpage or follow us on Facebook and Twitter. Join us there!
News | Pediatric Imaging | August 14, 2019 Ultrasound Guidance Improves First-attempt Success in IV Access in Children August 14, 2019 – Children’s veins read more For a 2016 update to this article, read the article and related links at “Advances in Ultrasound.” read more Technology | Interventional Radiology | August 16, 2019 Profound Medical Receives U.S. FDA 510(k) Clearance for Tulsa-Pro Profound Medical Corp. announced it has received 510(k) clearance from the U.S. Food and Drug Administration (FDA) to… read more Feature | October 06, 2011 | Roberto G. Aranibar, Frost & Sullivan Healthcare Research Analyst Recent Trends & Developments in Ultrasound Technology This article appeared as the introduction to a chart on ultrasound systems in the October 2011 issue. News | Ultrasound Women’s Health | July 11, 2019 FDA Clears Koios DS Breast 2.0 AI-based Software Koios Medical announced its second 510(k) clearance from the U.S. Food and Drug Administration (FDA). The overarching trend in ultrasound continues to be the development of smaller and more powerful imaging platforms. The provision of hand-carried systems that offer advanced functionality and premium image quality in a small, easy-to-use and affordable package has almost become essential to growth in ultrasound over the last few years.Two recently released products that exemplify the state-of-the-art in hand-carried ultrasound are Sonosite’s Nanomaxx and GE Healthcare’s Venue 40 systems. Each weighing only 6 pounds, both of these systems are tablet-style devices that provide simple user-interfaces and can be mounted on a cart. Despite their compact form, these systems offer capabilities such as color power Doppler and come equipped with many of the latest image-enhancing technologies, including speckle reduction, auto image optimization algorithms and color flow mapping.With launches of three more pocket-sized ultrasound systems since the Siemens Acuson P10 in late 2007, the concept of handheld ultrasound has gained increasing attention. Released in early 2010, the GE Vscan is similar to the Acuson P10 in that it features a phased array transducer and operates in the 2-4 MHz frequency range. But, a significant improvement is that in addition to providing fundamental and harmonic black/white imaging, Vscan also offers color Doppler imaging.Pocket ultrasound devices have also shrunk considerably, with the lightest, the Signostics’ Signos, weighing only 0.7 pounds. While the Signos does not provide color Doppler, a unique advantage of this system is its ability to be used with a higher frequency transducer for superficial imaging.The most recently introduced pocket ultrasound from MobiSante, the MobiUS SP1, is composed of an ultrasound probe, software and a smartphone that enables image transfer via WiFi networks.Other DevelopmentsDespite overshadowing by the ongoing trend in hardware miniaturization, there also have been several noteworthy developments of new software-based technologies. They address previous shortcomings of ultrasound, simplify integration with other diagnostic image data and bring improvements to clinical workflow.Released in 2010, Advanced Needle Visualization is Sonosite’s proprietary software algorithm for improved needle visualization during ultrasound-guided interventional procedures, such as biopsies, nerve blocks and vascular access. Poor visualization of needles inserted at steep angles and toward deep targets has been a limitation of ultrasound. This phenomenon is caused by a reduction in echoes from the needle shaft and tip when a needle is tilted at angles of more than 15-20 degrees. This software allows clear visualization of needles at angles of more than 50 degrees and is expected to have a considerable impact on the speed and success of these procedures.Other software advancements include the ability to co-register and fuse real-time ultrasound with images acquired using other modalities, such as computed tomography (CT), magnetic resonance imaging (MRI) and positron emission tomography (PET). This capability was introduced by GE Healthcare in late 2008. Several vendors also have introduced software that automate tasks and anatomical measurements.One noteworthy example is Toshiba’s recently launched Auto-IMT (intima-media thickness) technology, which has helped make risk assessment for cardiovascular disease faster and easier.Elastography software has existed since the late 1990s, but has only recently started becoming more quantitative in nature. Though not yet commercially available in the United States, Siemens Virtual Touch tissue quantification application, part of its acoustic radiation force impulse (ARFI) technology, enables quantitative measurements of tissue stiffness that are intended to lead to more objective diagnoses of pathologies in the breast and organs such as the liver. Quantitative elastography is expected to improve clinical decision-making and lead to fewer unnecessary invasive procedures.Zonare’s Zone Sonography Technology (ZST) replaces the image processing and scan converting components of conventional systems. It uses a software-based solution to reduce cost and size, enables easier upgradeability and significant improvements in image quality and acquisition speed. This is achieved through a novel technique that acquires larger volumes of data from a smaller number of “zones,” rather than the line-by-line acquisition used by most systems.Transducer ImprovementsThere have been significant advancements in transducer technology, particularly with the development of Philips Healthcare’s PureWave crystal technology. Using a new manufacturing process, Philips was able to produce a transducer crystal with fewer defects and more uniformity than the crystals used in conventional piezoelectric-based ceramic transducers for more than 40 years. These new crystals not only yield considerable improvements in the precision and efficiency of energy conversion, but also made it possible to provide operation over a broad range of frequencies that previously required use of more than one probe. Philips’ PureWave crystals are complemented by the manufacturers’ xMatrix array technology, which enables simultaneous acquisition of two orthogonal imaging planes, allowing 2-D and 3-D imaging to be performed using a single imaging probe.Frost & Sullivan enables clients to accelerate growth and achieve best-in-class positions in growth, innovation and leadership. It leverages 50 years of experience in partnering with Global 1000 companies. For more information: www.frost.com FacebookTwitterLinkedInPrint分享 360 Photos | Ultrasound Imaging | July 11, 2019 360 Degree View of a Smartphone Performing a Cardiac Ultrasound Exam This 360 degree photo shows a basic, point-of-care cardiac echocardiogram being performed using a smartphone turned i read more 3D Auto RV application image courtesy of Philips Healthcare News | Ultrasound Imaging | July 26, 2019 Intelligent Ultrasound Group Collaborating With the National Imaging Academy Wales Artificial intelligence (AI)-based ultrasound software and simulation company Intelligent Ultrasound Group plc (AIM:… read more The ScanTrainer transvaginal simulator is one example of Intelligent Ultrasound’s simulation technologies. 360 Photos | Ultrasound Imaging | July 08, 2019 360 Degree View of an Echocardiography Exam on the SC2000 System This is a 360 degree view of a live cardiac echo demonstration for the Siemens Healthineers Acuson SC2000… read more 360 Photos | Ultrasound Imaging | July 09, 2019 360 Degree View of a Mitral Valve Ultrasound Exam on a Vivid E95 System A view of a mitral valve on a GE Healthcare Vivid E95 … read more Related Content News | Ultrasound Imaging | July 31, 2019 Studies Confirm Clinical Value of ShearWave Elastography for Liver Fibrosis Evaluation SuperSonic Imagine announced the publication of the results of its prospective multicentric clinical study conducted in… read more News | Cardiovascular Ultrasound | August 05, 2019 Digital Health Devices Used at Point of Care May Improve Diagnostic Certainty A West Virginia-based rural medical outreach event showcased the use of point-of-care technology in an ambulatory… read more Technology | Cardiovascular Ultrasound | July 02, 2019 Philips Extends Advanced Automation on Epiq CVx Cardiovascular Ultrasound Platform Philips recently announced new advanced automation capabilities on its Epiq CVx and Epiq CVxi cardiac ultrasound… read more
News | Patient Positioning Radiation Therapy | August 07, 2019 Qfix kVue One Proton Couch Top Validated by Mevion Medical Systems Qfix and Mevion Medical Systems announced that a special version of the kVue One Proton couch top is now both validated… read more News | Radiation Therapy | August 02, 2019 Varian Showcases Cancer Care Systems and Software at AAPM 2019 Varian showcased systems and software from its cancer care portfolio, including the Identify Guidance System, at the… read more News | April 04, 2014 Radiation Able to Be Securely Stored in Nontoxic Molecule News | Brachytherapy Systems | August 14, 2019 Efficacy of Isoray’s Cesium Blu Showcased in Recent Studies August 14, 2019 — Isoray announced a trio of studies recently reported at scientific meetings and published in medica read more News | Radiation Therapy | August 16, 2019 Drug Accelerates Blood System’s Recovery After Radiation, Chemotherapy A drug developed by UCLA physician-scientists and chemists speeds up the regeneration of mouse and human blood stem… read more Following radiation, the bone marrow shows nearly complete loss of blood cells in mice (left). Mice treated with the PTP-sigma inhibitor displayed rapid recovery of blood cells (purple, right). Credit: UCLA Broad Stem Cell Research Center/Nature Communications News | Proton Therapy | August 08, 2019 MD Anderson to Expand Proton Therapy Center The University of Texas MD Anderson Cancer Center unveiled plans to expand its Proton Therapy Center during a… read more News | Radiation Therapy | August 15, 2019 First Patient Enrolled in World’s Largest Brain Cancer Clinical Trial Henry Ford Cancer Institute is first-in-the-world to enroll a glioblastoma patient in the GBM AGILE Trial (Adaptive… read more The MD Anderson Proton Therapy Center expansion is expected to be completed in 2023. Rendering courtesy of Stantec. News | Proton Therapy | August 06, 2019 IBA Signs Contract to Install Proton Therapy Center in Kansas IBA (Ion Beam Applications S.A.) recently signed a contract and received the first payment for a Proteus One solution… read more The top piece of content in July was a video interview explaining how Princess Margaret Cancer Center is using machine learning to create automated treatment plans. This was a hot topic at the American Association of Physicists in Medicine (AAPM) 2019 meeting in July. Related Content John Tomich and his research lab team at Kansas State University combined two related sequences of amino acids to form a very small, hollow nanocapsule similar to a bubble.April 4, 2014 — Researchers have discovered that microscopic “bubbles” developed at Kansas State University are safe and effective storage lockers for harmful isotopes that emit ionizing radiation for treating tumors.The findings can benefit patient health and advance radiation therapy used to treat cancer and other diseases, said John M. Tomich, a professor of biochemistry and molecular biophysics who is affiliated with the university’s Johnson Cancer Research Center.Tomich conducted the clinical study with Ekaterina Dadachova, a radiochemistry specialist at Albert Einstein College of Medicine in New York, along with researchers from his group at Kansas State University, the University of Kansas, Jikei University School of Medicine in Japan and the Institute for Transuranium Elements in Germany. They recently published their findings in the study “Branched Amphiphilic Peptide Capsules: Cellular Uptake and Retention of Encapsulated Solutes,” which appears in the scientific journal Biochimica et Biophysica Acta.The study looks at the ability of nontoxic molecules to store and deliver potentially harmful alpha emitting radioisotopes — one of the most effective forms of radiation therapy.In 2012, Tomich and his research lab team combined two related sequences of amino acids to form a very small, hollow nanocapsule similar to a bubble.”We found that the two sequences come together to form a thin membrane that assembled into little spheres, which we call capsules,” Tomich said. “While other vesicles have been created from lipids, most are much less stable and break down. Ours are like stones, though. They’re incredibly stable and are not destroyed by cells in the body.”The ability of the capsules to stay intact with the isotope inside and remain undetected by the body’s clearance systems prompted Tomich to investigate using the capsules as unbreakable storage containers that can be used for biomedical research, particularly in radiation therapies.”The problem with current alpha-particle radiation therapies used to treat cancer is that they lead to the release of nontargeted radioactive daughter ions into the body,” Tomich said. “Radioactive atoms break down to form new atoms, called daughter ions, with the release of some form of energy or energetic particles. Alpha emitters give off an energetic particle that comes off at nearly the speed of light.”These particles are like a car careening on ice, Tomich said. They are very powerful but can only travel a short distance. On collision, the alpha particle destroys DNA and whatever vital cellular components are in its path. Similarly, the daughter ions recoil with high energy on ejection of the alpha particle — similar to how a gun recoils as it is fired. The daughter ions have enough energy to escape the targeting and containment molecules that currently are in use.”Once freed, the daughter isotopes can end up in places you don’t want them, like bone marrow, which can then lead to leukemia and new challenges,” Tomich said. “We don’t want any stray isotopes because they can harm the body. The trick is to get the radioactive isotopes into and contained in just diseases cells where they can work their magic.”The radioactive compound that the team works with is 225Actinium, which on decay releases four alpha particles and numerous daughter ions.Tomich and Dadachova tested the retention and biodistribution of alpha-emitting particles trapped inside the peptide capsules in cells. The capsules readily enter cells. Once inside, they migrate to a position alongside the nucleus, where the DNA is.Tomich and Dadachova found that as the alpha particle-emitting isotopes decayed, the recoiled daughter ion collides with the capsule walls and essentially bounces off them and remains trapped inside the capsule. This completely blocked the release of the daughter ions, which prevented uptake in certain nontarget tissues and protected the subject from harmful radiation that would have otherwise have been releases into the body.Tomich said that more studies are needed to add target molecules to the surface of the capsules. He anticipates that this new approach will provide a safer option for treating tumors with radiation therapy by reducing the amount of radioisotope required for killing the cancer cells and reducing the side effects caused by off-target accumulation of the radioisotopes.”These capsules are easy to make and easy to work with,” Tomich said. “I think we’re just scratching the surface of what we can do with them to improve human health and nanomaterials.”For more information: www.newswise.com/institutions/newsroom/65 FacebookTwitterLinkedInPrint分享 Catalyst PT image courtesy of C-RAD News | Patient Positioning Radiation Therapy | August 15, 2019 Mevion and C-RAD Release Integration for Improved Proton Therapy Treatment Quality Mevion Medical Systems and C-RAD announced the integration between the C-RAD Catalyst PT and the Mevion S250i proton… read more Feature | August 05, 2019 | Dave Fornell, Editor Most Popular Radiology and Radiotherapy Topics in July 2019 August 5, 2019 — Here is the list of the most popular content on the Imaging Technology New (ITN) magazine website fr read more News | Radiopharmaceuticals and Tracers | August 02, 2019 ASRT Supports Radiopharmaceutical Reimbursement Bill The American Society of Radiologic Technologists (ASRT) announced its support for House Resolution (HR) 3772, a measure… read more
The prosecutor in charge of the Office of Civil Defense for Victims in Costa Rica was arrested Wednesday on charges of sexual abuse against two subordinate employees, said Attorney General Jorge Chavarría.The official, Max Chinchilla, also faces charges of sexual and workplace harassment against three other employees, Chavarría said in a press conference.The attorney general indicated that the women claim to have been victims of abuse from Chinchilla for several years, but they did not come forward until Tuesday.The Office of Civil Defense for Victims is in charge of promoting civil actions on behalf of criminal victims of crimes.The arrested prosecutor was placed in custody at the order of a judge, said the prosecutor in charge of sex crimes and domestic violence, Eugenia Salazar, who will ask for precautionary measures that the prosecutor has no contact with the victims and must sign in with a court every 15 days. Facebook Comments No related posts.
United Airlines has announced it will reintroduce its Boeing 787 Dreamliner flights this month, despite US airline and passenger safety groups demanding the government limit flights on the new jet.The aircraft was grounded in January this year due to battery faults, however, less than a month after completing successful test flights with a redesigned pack, United says its ready for it is 787s to resume domestic and international services.Refitting two of six of its Dreamliner fleet with new US Federal Aviation Administration (FAA) approved batteries, United has scheduled the two aircraft to resume flights on 20 May on routes from Houston to other domestic hubs as well as its Denver-Tokyo routes from 10 June. “The Dreamliner is poised to fly the missions we planned and provide our customers with the features and reliability they want on their long-haul flights,” United chief operations officer Pete McDonald said.Although United and All Nippon Airways stand by the aircraft’s safety, FlyersRights.org and the Aviation Consumer Action Project are petitioning the FAA and the Department of Transportation (DOT) implement a two hour limit on how far the plane can fly from the nearest airport.According to the groups, limiting the 787 to flights within two hours of the nearest airport would ban 787 trans-Pacific flights, flights over the North Pole, while flights between the U.S. and Europe over the north Atlantic and flights over land would not be affected by a two-hour limit.”Our proposed actions are both urgent and necessary,” leader of both organisations, Paul Hudson explained.”The 787 lithium ion batteries have a long history of overheating, catching fire, even exploding. “This could easily bring down an airliner, especially if it was not within easy reach of an airport for an emergency landing.”Source = e-Travel Blackboard: NJ United confident customers will welcome the aircraft back. Image: United Airlines
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Ahmed’s ouster from the Upper House would have forced the new guard under Rahul Gandhi deeper into the hot end of power-broking where wheeling-dealings take place," Dobie says. wrecking havoc without confrontation as there was no military operatives, “To paraphrase an old song ‘everything old will be new again. for either practical or xenophobic reasons, although the impact is relatively small. Stan Wayman—Time & Life Pictures/Getty Images Not published in LIFE. a day after hosting an ‘iftar’ for a group of people. which will be needed to make the high-tech guts of the accelerator. He said: “It gladdens our hearts that Senator Adeleke did not hire 13 SANs to frustrate the hearing of the case by filing numerous frivolous applications and appeals like President Muhammadu Buhari did when summoned to Court to produce his own certificate.
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