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New Hyperpolarizer Enables Users to Double Polarization Levels for MR Imaging of Lungs

By MedImaging International staff writers
Posted on 28 Jan 2015
New technology has been devised to generate hyperpolarized inert xenon gas, which is used in conjunction with standard magnetic resonance imaging (MRI) to create high resolution three-dimensional (3D) images of the human lung. This technique is a novel way to track extremely small changes in lung structure and lung function, and is used in basic and clinical research to study lung physiology and to monitor the efficacy of new drugs.

Polarean, Inc. (Durham, NC, USA), a developer of hyperpolarized gas technology, devised the new system to greatly enhance polarization rates. The new technology is now being offered as an upgrade kit to current owners of 9800 series Polarean xenon hyperpolarizers, enabling them to consistently reach polarization levels of 20%–25%. Further polarization enhancements are underway, to be included in the new 9820 Series of Polarean hyperpolarizers, available in mid-2015.

Polarean’s hyperpolarization technology addresses a significant need in pulmonary research and drug development. Higher levels of polarization provide researchers with additional flexibility. They can decrease the amount of xenon to be inhaled, without compromising image quality, and this is especially important in pediatric studies. Or, researchers can use the same amount of xenon and achieve higher image quality.

“We have made significant improvements in our hyperpolarization technology, especially in the downstream recovery of polarized xenon,” commented Dr. Bastiaan Driehuys, Polarean’s founder and chief scientific officer. “In addition, Polarean is developing a new generation of polarizers that not only include these downstream improvements, but also new optical cell designs and a more powerful laser. Together, these improvements will take our polarization and production levels even higher.”

Polarean expects to launch this new line of hyperpolarizers in mid-2015. Polarean’s research equipment is currently in use at leading academic research centers in North America and Europe.

Polarean, Inc. began operations in 2012, after securing all assets and intellectual property for hyperpolarized gas MRI from GE Healthcare (Chalfont St. Giles, UK). Polarean designs and manufactures equipment for production of hyperpolarized xenon or helium gases. When used in conjunction with MRI, these gases offer an essentially new and noninvasive functional imaging platform. Current research uses include early diagnosis of respiratory diseases as well as monitoring progression and therapeutic response. Moreover, xenon gas exhibits solubility and signal properties that enable it to be imaged within other tissues and organs as well. Polarean hyperpolarization systems are currently sold in the United States and internationally for research and investigational applications only.

The central equipment required for hyperpolarized gas MRI is a polarizer. Using circularly polarized laser light, the polarizer transforms the inert, stable noble gas isotopes 3He and 129Xe into their hyperpolarized states. This process leaves the gases chemically unaltered, while their nuclei are magnetically aligned. The resulting MRI signal is enhanced by a factor of 100,000, making direct imaging of gas molecules possible.

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92 (413.89465332031): SELECT show_live FROM jos_com_show_setting LIMIT 1
93 (47.206878662109): SELECT show_live FROM jos_com_show_setting LIMIT 1
94 (41.961669921875): SELECT show_live FROM jos_com_show_setting LIMIT 1
95 (34.093856811523): SELECT show_live FROM jos_com_show_setting LIMIT 1
96 (645.87593078613): SELECT show_live FROM jos_com_show_setting LIMIT 1
97 (47.922134399414): SELECT show_live FROM jos_com_show_setting LIMIT 1
98 (42.915344238281): SELECT show_live FROM jos_com_show_setting LIMIT 1
99 (34.809112548828): SELECT show_live FROM jos_com_show_setting LIMIT 1
100 (41.007995605469): SELECT show_live FROM jos_com_show_setting LIMIT 1
101 (35.04753112793): SELECT show_live FROM jos_com_show_setting LIMIT 1
102 (33.855438232422): SELECT show_live FROM jos_com_show_setting LIMIT 1
103 (34.093856811523): SELECT show_live FROM jos_com_show_setting LIMIT 1
104 (634.90867614746): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
105 (250.10108947754): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
106 (111.81831359863): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294756972 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
107 (73.909759521484): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294756972 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
108 (!!!!! 2730.131149292): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
109 (119.92454528809): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
110 (83.92333984375): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.id=294756972 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
111 (612.97416687012): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.id=294756972 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
112 (751.97219848633): SELECT dp.name, dp.id, dp2.name as channel, ex.name as author_name, ex.specialization, ex.images FROM jos_deeppockets as dp LEFT JOIN jos_experts as ex ON ex.id = dp.author LEFT JOIN jos_deeppockets as dp2 ON dp2.id = dp.fid WHERE dp.author != 0 AND dp.cat = 10 AND dp.published = 1 AND ( (dp.fid = 294743300) OR (dp.fid = 294743301) OR (dp.fid = 294743302) OR (dp.fid = 294743303) OR (dp.fid = 294743304) OR (dp.fid = 294743305) OR (dp.fid = 294743306) OR (dp.fid = 294743307) OR (dp.fid = 294743308) OR (dp.fid = 294743309) OR (dp.fid = 294743310) ) ORDER BY RAND() LIMIT 1
113 (539.06440734863): SELECT dp.name, dp.id, dp2.name as channel, ex.name as author_name, ex.specialization, ex.images FROM jos_deeppockets as dp LEFT JOIN jos_experts as ex ON ex.id = dp.author LEFT JOIN jos_deeppockets as dp2 ON dp2.id = dp.fid WHERE dp.author != 0 AND dp.cat = 10 AND dp.published = 1 AND ( (dp.fid = 294743300) OR (dp.fid = 294743301) OR (dp.fid = 294743302) OR (dp.fid = 294743303) OR (dp.fid = 294743304) OR (dp.fid = 294743305) OR (dp.fid = 294743306) OR (dp.fid = 294743307) OR (dp.fid = 294743308) OR (dp.fid = 294743309) OR (dp.fid = 294743310) ) ORDER BY RAND() LIMIT 1
114 (94.890594482422): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
115 (83.92333984375): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
116 (72.956085205078): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
117 (57.93571472168): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
118 (65.088272094727): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
119 (53.167343139648): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
120 (72.002410888672): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
121 (54.121017456055): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
122 (230.07392883301): SELECT * FROM trending_articles WHERE `journal_id` = 10 AND `timestamp` <= NOW() + INTERVAL 7 DAY ORDER BY `order`
123 (!!!!! 42104.005813599): SELECT * FROM jos_deeppockets WHERE jos_deeppockets.cat = 10 AND jos_deeppockets.type = 'deeppockets_item' AND jos_deeppockets.published = 1 AND jos_deeppockets.created + INTERVAL 14 DAY >= NOW() ORDER BY jos_deeppockets.hits DESC LIMIT 7
124 (725.03089904785): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294756972 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294756972 AND type='deeppockets_item' AND published='1' LIMIT 1
125 (!!!!! 14076.948165894): ( SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.video != '' AND dp.video_source != '' AND dp.cat = 10 AND dp.published = 1 AND dp.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) UNION ( SELECT dpa.id, dpa.name, dpa.title, dpa.video, dpa.video_source, dpa.created FROM jos_deeppockets_archive AS dpa WHERE dpa.video != '' AND dpa.video_source != '' AND dpa.cat = 10 AND dpa.published = 1 AND dpa.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) ORDER BY created DESC LIMIT 3
126 (118.01719665527): ( SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.video != '' AND dp.video_source != '' AND dp.cat = 10 AND dp.published = 1 AND dp.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) UNION ( SELECT dpa.id, dpa.name, dpa.title, dpa.video, dpa.video_source, dpa.created FROM jos_deeppockets_archive AS dpa WHERE dpa.video != '' AND dpa.video_source != '' AND dpa.cat = 10 AND dpa.published = 1 AND dpa.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) ORDER BY created DESC LIMIT 3
127 (54.121017456055): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803337 LIMIT 1
128 (31.948089599609): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803337 LIMIT 1
129 (80.108642578125): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803276 LIMIT 1
130 (43.153762817383): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803276 LIMIT 1
131 (288.96331787109): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets_archive AS dp WHERE dp.id = 294803276 LIMIT 1
132 (133.99124145508): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets_archive AS dp WHERE dp.id = 294803276 LIMIT 1
133 (70.095062255859): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294802958 LIMIT 1
134 (66.995620727539): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294802958 LIMIT 1
135 (441.07437133789): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
136 (298.02322387695): SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
137 (41.007995605469): SELECT name FROM jos_deeppockets WHERE id=212
138 (30.994415283203): SELECT name FROM jos_deeppockets WHERE id=212
139 (661.84997558594): SELECT *, DATE_FORMAT(publish_up,'%d %b %Y') AS date_publish_up, DATE_FORMAT(publish_down,'%d %b %Y') AS date_publish_down FROM jos_events WHERE state=1 AND publish_up > NOW() and extra_info REGEXP '((;)|(^))212((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
140 (612.97416687012): SELECT *, DATE_FORMAT(publish_up,'%d %b %Y') AS date_publish_up, DATE_FORMAT(publish_down,'%d %b %Y') AS date_publish_down FROM jos_events WHERE state=1 AND publish_up > NOW() and extra_info REGEXP '((;)|(^))212((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
141 (105.85784912109): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
142 (55.074691772461): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
143 (!!!!! 12385.129928589): TRUNCATE TABLE jos_trademed_module
144 (113.96408081055): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294756972 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
145 (76.055526733398): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294756972 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
146 (692.84439086914): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
147 (80.108642578125): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
148 (74.863433837891): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
149 (61.988830566406): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
150 (!!!!! 1574.0394592285): SELECT jos_item.* FROM jos_item INNER JOIN jos_number ON jos_item.numberID=jos_number.id WHERE 1=1 AND (jos_item.imgMini<>'') AND jos_item.type='L' AND jos_item.numberID= ( SELECT jos_number.id FROM jos_number WHERE jos_number.journalID IN (10) and jos_number.id in (select distinct jos_number.id from jos_number join jos_item on jos_item.numberid=jos_number.id where jos_item.type='P') ORDER BY (CONVERT(SUBSTRING(issue,1,2),SIGNED) + (CONVERT(SUBSTRING(issue,3,2),SIGNED)*100)) DESC LIMIT 0,1 ) ORDER BY RAND() DESC LIMIT 6
151 (87.02278137207): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
152 (103.95050048828): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
153 (48.87580871582): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294756972 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294756972 AND type='deeppockets_item' AND published='1' LIMIT 1
154 (41.961669921875): select distinct links.* from jos_textlinks links join jos_textlinks_placement placement on links.id=placement.link_id where journal_id=(10) and (channel_id=212 or channel_id is null)
155 (36.954879760742): select distinct links.* from jos_textlinks links join jos_textlinks_placement placement on links.id=placement.link_id where journal_id=(10) and (channel_id=212 or channel_id is null)
156 (41.007995605469): SELECT livesite FROM jos_dp_categories WHERE id=10 AND published='1' LIMIT 1
157 (948.90594482422): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
158 (111.10305786133): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294756972 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294756972 AND published='1' LIMIT 1
159 (60.081481933594): select jos_twitters.link from jos_twitters where cat=10
160 (37.908554077148): select jos_facebook.link from jos_facebook where cat=10
161 (39.100646972656): select jos_google_plus.link from jos_google_plus where cat=10
162 (42.915344238281): select jos_linkedin.link from jos_linkedin where cat=10
163 (342.13066101074): update jos_bannersmanager_banner set impmade=impmade+1 where id in(14615,14202,14203)
164 (!!!!! 1410.961151123): insert into jos_banners_delta values (14615,'2025-06-23 06:12:38','216.73.216.120','view'),(14202,'2025-06-23 06:12:38','216.73.216.120','view'),(14203,'2025-06-23 06:12:38','216.73.216.120','view')