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SAN FRANCISCO asics gel lyte 3 australia , June 28 (Xinhua) -- A team of mechanical engineers and pathologists at the University of Washington has invented a new microscope capable of scanning tumors during surgery and examine cancer biopsies in three dimensions (3D).

When women undergo lumpectomies to remove breast cancer, doctors try to remove all the cancerous tissue while conserving as much of the healthy tissue as possible. But currently there is no reliable way to determine during surgery whether the excised tissue is completely cancer-free.

While doctors need to be confident that they removed all of the tumor, pathologists can spend several days using conventional methods to process and analyze the tissue. That is why between 20 and 40 percent of women have to undergo second, third or even fourth breast-conserving surgeries to remove cancerous cells that were missed during the initial procedure.

"Surgeons are sort of flying blind during these breast-conserving surgeries. Oftentimes they've left some tumor behind which they don't know about until a few days later when the pathologist finds it asics onitsuka tiger mexico 66 australia ," explained mechanical engineering professor Jonathan Liu. "If we can rapidly image the entire surface or margin of the excised tissue during the procedure, we can tell them if they still have tumor left in the body or not. And that would be a huge benefit to cancer patients."

Funded by the U.S. National Institutes of Health (NIH) and the University of Washington, and detailed in a paper published in Nature Biomedical Engineering, the new microscope can rapidly and non-destructively image the margins of large fresh tissue specimens with the same level of detail as traditional pathology in no more than 30 minutes.

The open-top microscope uses a sheet of light to optically "slice" through and image a tissue sample without destroying any of it asics onitsuka tiger tokuten australia , and allows pathologists to zoom in and "see" biopsy samples in three dimensions. All of the tissue is conserved for potential downstream molecular testing, which can yield additional information about the nature of the cancer and lead to more effective treatment decisions.

"By imaging tissues in 3D without having to mount thin tissue sections on glass slides, we are trying to transform pathology much like 3-D X-ray CT has transformed radiology," Liu was quoted as saying in a news release. "While it is possible to scan microscope slides for digital pathology asics onitsuka tiger track trainer australia , we digitally image the intact tissues and bypass the need to prepare slides, which is simpler, faster and potentially less expensive."

The new microscope both image large tissue surfaces at high resolution and stitch together thousands of two-dimensional images per second to quickly create a 3D image of a surgical or biopsy specimen. That additional data could one day allow pathologists to more accurately and consistently diagnose and grade tumors.

The researchers are working on speeding up the optical-clearing process that allows light to penetrate biopsy samples more easily. And future areas of research include optimizing their 3D immunostaining processes, as well as developing algorithms that can process the vast amounts of 3D pathology data that their system generates asics onitsuka tiger corsair vin australia , with the ultimate goal of helping pathologists zero in on suspicious areas of tissue.

BAKU, Aug. 15 (Xinhua) -- China's Chen Dongqi and Yi Siling won gold and silver at 50m Rifle 3 Positions women's event at the ISSF World Cup in Azerbaijan's Gabala town on Saturday.

By these medals, Chinese shooters rocketed their country atop of the intermediate medal standings.

Day-6 of the ISSF Rifle, Pistol and Shotgun World Cup was opened by another success of the Chinese team asics onitsuka tiger mexico delegation australia , as it placed two athletes upon the women's 50m Rifle 3 Positions final.Chen Dongqi (26), a two-time world cup bronze medalist, secured the gold medal at the end of a great final. The Chinese athlete finished the kneeling series in the lead with 152.9 points, and continued shooting solidly through the prone series asics onitsuka tiger mexico mid runner australia , keeping the lead with 308.4 points. Holding on the first place through the standing series, she won the match with 456.2 points, and 0.8 points of advantage on her teammate Yi Siling (26).

Yi, the 2012 air rifle Olympic Champion asics shoes australia outlet , took silver with 455.4 points, pocketing her second world cup medal of the season in this event, after the bronze she had collected in Munich, earlier this year.

China is now atop of the intermediate medal standings asics shoes australia , when 10 out of 15 events has been conducted, with 5 golds, 3 silvers and 1 bronze, followed by USA with 2 golds and 2 silvers.

The International Sport Shooting Federation (ISSF) World Cup final kicked off in Azerbaijan' s northern town of Gabala on Aug. 7 bringing together nearly 2 www.calwallace.com ,000 athletes from 100 countries and regions to compete in the rifle, pistol, and shotgun shooting disciplines. Some 34 of the winning athletes will qualify to compete in the 2016 Summer Olympic Games in Rio. The competition ends on Aug. 16.

BEIJING， July 18 (Xinhua) -- Following is the full list of athletes in the Chinese delegation to the Rio Olympic Games:

Swimming

Women: Fu Yuanhui; Lu Ying; Tang Yi; Chen Jie; Chen Xinyi; Shi Jinglin; Ye Shiwen; Wang Shijia; Xin Xin; Dong Jie; Shen Duo; Cao Yue; Zhou Yilin; Sun Meichen; Zhou Min; Liu Xiang; Zhu Menghui; Zhang Xinyu; Zhang Yufei; Zhang Yuhan; Wang Xue'er; Ai Yanhan; Liu Yaxin; Hou Yawen; Yu Jingyao; Tang Yuting

Men: Zu Lixin; He Jianbin; Sun Yang; Wang Shun; Xu Jiayu; Zhang Qibin; Mao Feilian; Lin Yongqin; Ning Zetao; Li Xiang; Shang Keyuan; Yu Hexin; Li Zhuhao; Li Guangyuan; Qiu Zi' Ao; Yan Zibei; Wu Yuhang; Hu Yixuan; Liu Zhaochen

Archery

Women: Cao Hui; Qi Yuhong; Wu Jiaxin

Men: Xing Yu; Gu Xuesong; Wang Dapeng

Athletics

Women: Zhang Wenxiu; Liu Tingting; Gong Lijiao; Wang Zheng; Li Linwei; Lu Xiuzhi; Wei Yongli; Wang Chunyu.