October LLNL researchers identify how many cancer cells it takes to initiate metastatic tumors For the first time, researchers have developed a way to determine how many cancer cells it takes to initiate a tumor in another part of the body. October Big results come from small instrument A new kid is coming to town in the form of an ultra-sensitive, laser-based, carbon spectrometer that will be able to measure samples as small as one microgram of carbon. The new laser-based, rare-isotope detection technique would combine with biochemistry tools like liquid chromatography. Buchholz described how Accelerator Mass Spectrometry AMS is used to measure zeptomole to femtomole quantities of carbon in sub milligram sized samples. He described applications used to quantify metabolism of chemicals at relevant exposures in animals and humans, such as dermal exposure to pesticides and ingestion of PAHs or antimicrobials. The metabolism studies have become more streamlined recently with the addition of an integrated HPLC-AMS-MS system and can identify dominant metabolites at relevant doses from which specific field assays can be developed without the use of the carbon label. April Personalized cancer medications Biomedical scientists at the Lawrence Livermore National Laboratory are teaming up with medical oncologists at UC Davis to see if they can find out within minutes how someone will respond to certain therapeutic drugs, including chemotherapy. At the meeting in Boston, the Editorial Advisory Board members were asked to pick their favorite paper published in CRT in the past two years; these would be collected in a virtual issue. Sixteen papers were highlighted and chosen. The following paper was one of the sixteen chosen:
Uranium-series dating of pedogenic carbonates from the Livermore Valley, California
It is maintained by the Livermore-Pleasanton Fire Department. The fire department claims that the bulb is at least years old installed and has only been turned off a handful of times. While it might seem astonishing that so many longest-lasting light bulbs have been so infrequently turned off, this is the precise reason for their longevity. Most of the wear and tear that leads to burnouts in incandescent light bulbs is caused by turning them on and off, not by burning them.
Each time the bulb is turned on and off, the filament is heated and cooled. This causes the material of the filament to expand and contract, in turn causing micro stress cracks to develop.
Dawn Ueda and Tom Brown next to the accelerator mass spectrometer at Lawrence Livermore Laboratory. (Photo courtesy of the Center for Accelerator Mass Spectrometry at Lawrence Livermore National Laboratory.) Figure b. Chinese Warring States arrowhead dating to about – B.C. Dawn Ueda and Tom.
Her research interests are in the areas of large-scale machine learning, non-convex optimization and high-dimensional statistics. In particular, she has been spearheading the development and analysis of tensor algorithms. She is the recipient of several awards such as the Alfred. She received her B. She was a postdoctoral researcher at MIT from to , an assistant professor at U.
Irvine between and , and a visiting researcher at Microsoft Research New England in and Deep, Distributed and Multi-Dimensional: Modern machine learning involves deep neural network architectures which yields state-of-art performance on multiple domains such as computer vision, natural language processing and speech recognition. As the data and models scale, it becomes necessary to have multiple processing units for both training and inference.
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Canine Stomach Cancer By Kelly Roper Dog Breeder and Exhibitor Stomach cancer can be a silent killer because a dog is usually in the advanced stages by the time he shows signs of illness. Learn about the different types of cancer that typically affect the stomach, as well as the symptoms a sick dog might display. Types of Cancer in Dogs According to the Pet Cancer Center , there are several main types of cancers that are associated with stomach cancer in dogs.
Adenocarcinomas Adenocarcinomas are the type of tumors most often associated with cancer of the stomach. This cancer is one that is found in glandular tissue, and it will often spread to the liver, lungs and lymph nodes.
The ancient civil Egyptian Calendar, known as the Annus Vagus or Wandering Year, had a year that was days long, consisting of 12 months of 30 days each, plus 5 extra days at the end of the months were divided into 3 “weeks” of ten days each. This calendar was in use by BCE, and possibly before that.
The thermoluminescence technique is the only physical means of determining the absolute age of pottery presently available. It is an absolute dating method, and does not depend on comparison with similar objects as does obsidian hydration dating, for example. Most mineral materials, including the constituents of pottery, have the property of thermoluminescence TL , where part of the energy from radioactive decay in and around the mineral is stored in the form of trapped electrons and later released as light upon strong heating as the electrons are detrapped and combine with lattice ions.
By comparing this light output with that produced by known doses of radiation, the amount of radiation absorbed by the material may be found. When pottery is fired, it loses all its previously acquired TL, and on cooling the TL begins again to build up. Thus, when one measures dose in pottery, it is the dose accumulated since it was fired, unless there was a subsequent reheating.
Time-tested Secrets for Capturing the Heart of Mr. Right is a self-help book by Ellen Fein and Sherrie Schneider , originally published in A woman who follows The Rules is called a Rules Girl.
Lawrence Livermore National Laboratory East Avenue • Livermore, CA Operated by Lawrence Livermore National Security, LLC, for the.
November 7, Posted in: On one hand, very little; on the other, almost everything. But let me back up a bit and apologize to my readers for being, to put it mildly, less than faithful in keeping up with this blog. I could offer a panoply of excuses, most of them self-serving or nonsensical, but the unvarnished truth is that both my mind and body have been elsewhere. I typed the initial words of this article — long since deleted — at the beginning of September, It was meant to be the start of a series detailing my trip around the world.
I was somewhere in Greenland at the time, and my intention was to post a story every day or two as I traveled onward through Iceland, Norway, Sweden, Finland, then across Russia via the Trans-Siberian Railway to China, followed by a week or so in Japan before flying back to the USA. Climbing a mountain near Sisimiut, Greenland. Instead I went for hikes, or watched icebergs float by, or scrolled through Facebook or Twitter, and never got beyond the first paragraph.
I posted photos, maybe with a one or two line description, of wonders I saw along the way, but never got back to writing regularly. The information was obscure enough that all my internet searches came up blank. Thankfully Mikey Erg, who has an encyclopedic knowledge of music and a record collection to match, saved the day. He dug up the album in question and read back the liner notes to me, thus settling the issue and the book went happily to the printer albeit with an unnoticed typo in one of the picture captions, but who wants to perfect, right?
This unfolded as I was sailing down the railway tracks between Beijing and Shanghai at mph, during the second week of my first-ever visit to China.
Indoor Play in Livermore, CA
Gallbladder cancer is a rare cancer in which malignant cancerous transformation of cells occur in the wall of the gallbladder. The gallbladder is a pear-shaped organ under the liver that stores bile. Bile is a fluid produced by the liver to digest fats. When food is being digested in the stomach and intestines, the gall bladder contracts and releases the bile into a tube called the cystic duct.
The world’s longest-lasting light bulb is the Centennial Light located at East Avenue, Livermore, is maintained by the Livermore-Pleasanton Fire fire department claims that the bulb is at least years old (installed ) and has only been turned off a handful of times.
Patents View Article in PDF bottom right The dramatically lower water level at Lake Oroville, California, compared to top left a few years ago is just one example of a statewide trend—drought conditions that make it more important than ever to secure clean, reliable supplies of water. Now in the midst of a multiyear drought, however, the state is facing a serious challenge as it tries to ensure ample water supplies. Reservoirs for a time had dipped below half of their historical levels, with precipitation far below average and even snowpack levels, which traditionally provide significant water storage, drastically low.
As pristine underground aquifers are consumed at an increasing rate, water quality—not just quantity—must be addressed. Using naturally occurring and anthropogenic radioactive isotopes, they can determine when the water was recharged from surface water that percolated down through the soil and into the aquifer. Past GAMA Special Studies program research focused on gaining a better understanding of the source and transport of nitrate contamination in drinking water aquifers.
Current research efforts focus on meeting persistent needs in California water resource management by identifying appropriate areas for managed aquifer recharge in response to the drought and developing new age tracers to permit the use of treated wastewater. The noble gas membrane inlet mass spectrometer NG-MIMS is a simple benchtop instrument developed at Livermore to measure dissolved noble gases in water samples.
The Trickle-Down Effect Laboratory researchers can determine the source, history, and likely fate of contaminants in groundwater from factors such as groundwater age and isotopic composition. When studying contaminants such as nitrate, researchers also look for the presence of their degradation products.
Using Radiocarbon Dating to Establish the Age of Iron-Based Artifacts
This area is deep in history dating back before the gold rush. Calvaras is located in the beautiful Sierra Foothills. Today the area is more famous for its world class wines, more than 21 tasting rooms, unique art stores, antique shops, wonderful restaurants, and historic museums. A visit to Calavaras County is like taking a ride in a time capsule. This wine region is famous for their older vines which produce their world famous Zinfandels.
Lodi is situated west of Sacramento and is just minutes from the California Delta.
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