Temperature Dependence of the EPR Signal in Tendon Collagen
THE hypothesis of a solid-state control system governing connective tissue growth 1 has led us to study the electron paramagnetic resonance spectra (EPR) of non-irradiated human bone and its components 2–5 . We now report further results involving chiefly human tendon collagen. The tendon was clinic...
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| Veröffentlicht in: | Nature (London) 1969-04, Vol.222 (5189), p.164-165 |
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| creator | MARINO, A. A BECKER, R. O |
| description | THE hypothesis of a solid-state control system governing connective tissue growth
1
has led us to study the electron paramagnetic resonance spectra (EPR) of non-irradiated human bone and its components
2–5
. We now report further results involving chiefly human tendon collagen. The tendon was clinically normal peroneus longus, and was studied in the air-dried state. The EPR spectrum of tendon collagen is a single line at g = 2.007 ± 0.006 having a width between peaks of the derivative of 10 ± 1 G. The line saturates homogeneously with a weak maximum at about 10 dB, and shows no angular dependence. A resonance with the same parameters is found in dog tendon. The intensity of absorption from human tendon collagen corresponds to about 4–15 × 10
15
spins/g. Magnetic field scans from 10–11,000 G at room temperature and at 114° K revealed no other consistently present resonances. At 114° K, the resonance is saturated even at the lowest incident microwave power level. |
| doi_str_mv | 10.1038/222164b0 |
| format | Article |
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1
has led us to study the electron paramagnetic resonance spectra (EPR) of non-irradiated human bone and its components
2–5
. We now report further results involving chiefly human tendon collagen. The tendon was clinically normal peroneus longus, and was studied in the air-dried state. The EPR spectrum of tendon collagen is a single line at g = 2.007 ± 0.006 having a width between peaks of the derivative of 10 ± 1 G. The line saturates homogeneously with a weak maximum at about 10 dB, and shows no angular dependence. A resonance with the same parameters is found in dog tendon. The intensity of absorption from human tendon collagen corresponds to about 4–15 × 10
15
spins/g. Magnetic field scans from 10–11,000 G at room temperature and at 114° K revealed no other consistently present resonances. At 114° K, the resonance is saturated even at the lowest incident microwave power level.</description><identifier>ISSN: 0028-0836</identifier><identifier>EISSN: 1476-4687</identifier><identifier>DOI: 10.1038/222164b0</identifier><identifier>PMID: 4304924</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>Chromium - analysis ; Cobalt - analysis ; Collagen - analysis ; Connective Tissue - growth & development ; Copper - analysis ; Electron Spin Resonance Spectroscopy ; Humanities and Social Sciences ; Humans ; Iron - analysis ; letter ; Manganese - analysis ; multidisciplinary ; Nickel - analysis ; Science ; Science (multidisciplinary) ; Spectrum Analysis ; Temperature ; Tendons ; Titanium - analysis ; Vanadium - analysis</subject><ispartof>Nature (London), 1969-04, Vol.222 (5189), p.164-165</ispartof><rights>Springer Nature Limited 1969</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c335t-d382be22d0edb8dfc6de31ef47100b323a706189cca35d9723e2322a0ea9ba6d3</citedby><cites>FETCH-LOGICAL-c335t-d382be22d0edb8dfc6de31ef47100b323a706189cca35d9723e2322a0ea9ba6d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1038/222164b0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1038/222164b0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,2725,27923,27924,41487,42556,51318</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/4304924$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>MARINO, A. A</creatorcontrib><creatorcontrib>BECKER, R. O</creatorcontrib><title>Temperature Dependence of the EPR Signal in Tendon Collagen</title><title>Nature (London)</title><addtitle>Nature</addtitle><addtitle>Nature</addtitle><description>THE hypothesis of a solid-state control system governing connective tissue growth
1
has led us to study the electron paramagnetic resonance spectra (EPR) of non-irradiated human bone and its components
2–5
. We now report further results involving chiefly human tendon collagen. The tendon was clinically normal peroneus longus, and was studied in the air-dried state. The EPR spectrum of tendon collagen is a single line at g = 2.007 ± 0.006 having a width between peaks of the derivative of 10 ± 1 G. The line saturates homogeneously with a weak maximum at about 10 dB, and shows no angular dependence. A resonance with the same parameters is found in dog tendon. The intensity of absorption from human tendon collagen corresponds to about 4–15 × 10
15
spins/g. Magnetic field scans from 10–11,000 G at room temperature and at 114° K revealed no other consistently present resonances. At 114° K, the resonance is saturated even at the lowest incident microwave power level.</description><subject>Chromium - analysis</subject><subject>Cobalt - analysis</subject><subject>Collagen - analysis</subject><subject>Connective Tissue - growth & development</subject><subject>Copper - analysis</subject><subject>Electron Spin Resonance Spectroscopy</subject><subject>Humanities and Social Sciences</subject><subject>Humans</subject><subject>Iron - analysis</subject><subject>letter</subject><subject>Manganese - analysis</subject><subject>multidisciplinary</subject><subject>Nickel - analysis</subject><subject>Science</subject><subject>Science (multidisciplinary)</subject><subject>Spectrum Analysis</subject><subject>Temperature</subject><subject>Tendons</subject><subject>Titanium - analysis</subject><subject>Vanadium - analysis</subject><issn>0028-0836</issn><issn>1476-4687</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1969</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkEtLw0AURgdRaq2Cf0CZlegieueRSYIrqfUBBUXrOkwyNzWSTOJMsvDfG03tytVdfIfD5RByzOCSgYivOOdMyQx2yJTJSAVSxdEumQLwOIBYqH1y4P0HAIQskhMykQJkwuWUXK-wbtHprndIb7FFa9DmSJuCdu9IF88v9LVcW13R0tLVsDaWzpuq0mu0h2Sv0JXHo82dkbe7xWr-ECyf7h_nN8sgFyLsAiNiniHnBtBksSlyZVAwLGTEADLBhY5AsTjJcy1Ck0RcIBeca0CdZFoZMSNno7d1zWePvkvr0uc4PGGx6X0aKcGTUKoBPB_B3DXeOyzS1pW1dl8pg_SnU_rXaUBPNs4-q9FswU2YYb8Ydz8sdo0u_Wh6N3Tw_7lOR9b-Zty6tsA3WSV4AA</recordid><startdate>19690412</startdate><enddate>19690412</enddate><creator>MARINO, A. A</creator><creator>BECKER, R. O</creator><general>Nature Publishing Group UK</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>19690412</creationdate><title>Temperature Dependence of the EPR Signal in Tendon Collagen</title><author>MARINO, A. A ; BECKER, R. O</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c335t-d382be22d0edb8dfc6de31ef47100b323a706189cca35d9723e2322a0ea9ba6d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1969</creationdate><topic>Chromium - analysis</topic><topic>Cobalt - analysis</topic><topic>Collagen - analysis</topic><topic>Connective Tissue - growth & development</topic><topic>Copper - analysis</topic><topic>Electron Spin Resonance Spectroscopy</topic><topic>Humanities and Social Sciences</topic><topic>Humans</topic><topic>Iron - analysis</topic><topic>letter</topic><topic>Manganese - analysis</topic><topic>multidisciplinary</topic><topic>Nickel - analysis</topic><topic>Science</topic><topic>Science (multidisciplinary)</topic><topic>Spectrum Analysis</topic><topic>Temperature</topic><topic>Tendons</topic><topic>Titanium - analysis</topic><topic>Vanadium - analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MARINO, A. A</creatorcontrib><creatorcontrib>BECKER, R. O</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Nature (London)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MARINO, A. A</au><au>BECKER, R. O</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Temperature Dependence of the EPR Signal in Tendon Collagen</atitle><jtitle>Nature (London)</jtitle><stitle>Nature</stitle><addtitle>Nature</addtitle><date>1969-04-12</date><risdate>1969</risdate><volume>222</volume><issue>5189</issue><spage>164</spage><epage>165</epage><pages>164-165</pages><issn>0028-0836</issn><eissn>1476-4687</eissn><abstract>THE hypothesis of a solid-state control system governing connective tissue growth
1
has led us to study the electron paramagnetic resonance spectra (EPR) of non-irradiated human bone and its components
2–5
. We now report further results involving chiefly human tendon collagen. The tendon was clinically normal peroneus longus, and was studied in the air-dried state. The EPR spectrum of tendon collagen is a single line at g = 2.007 ± 0.006 having a width between peaks of the derivative of 10 ± 1 G. The line saturates homogeneously with a weak maximum at about 10 dB, and shows no angular dependence. A resonance with the same parameters is found in dog tendon. The intensity of absorption from human tendon collagen corresponds to about 4–15 × 10
15
spins/g. Magnetic field scans from 10–11,000 G at room temperature and at 114° K revealed no other consistently present resonances. At 114° K, the resonance is saturated even at the lowest incident microwave power level.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>4304924</pmid><doi>10.1038/222164b0</doi><tpages>2</tpages></addata></record> |
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| source | MEDLINE; Nature; SpringerLink Journals - AutoHoldings |
| subjects | Chromium - analysis Cobalt - analysis Collagen - analysis Connective Tissue - growth & development Copper - analysis Electron Spin Resonance Spectroscopy Humanities and Social Sciences Humans Iron - analysis letter Manganese - analysis multidisciplinary Nickel - analysis Science Science (multidisciplinary) Spectrum Analysis Temperature Tendons Titanium - analysis Vanadium - analysis |
| title | Temperature Dependence of the EPR Signal in Tendon Collagen |
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