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Items: 27


Collagen proteins exchange O with demineralisation and gelatinisation reagents and also with atmospheric moisture.

von Holstein I, von Tersch M, Coutu AN, Penkman KEH, Makarewicz CA, Collins MJ.

Rapid Commun Mass Spectrom. 2018 Jan 23. doi: 10.1002/rcm.8064. [Epub ahead of print]


Palaeogenomes of Eurasian straight-tusked elephants challenge the current view of elephant evolution.

Meyer M, Palkopoulou E, Baleka S, Stiller M, Penkman KEH, Alt KW, Ishida Y, Mania D, Mallick S, Meijer T, Meller H, Nagel S, Nickel B, Ostritz S, Rohland N, Schauer K, Schüler T, Roca AL, Reich D, Shapiro B, Hofreiter M.

Elife. 2017 Jun 6;6. pii: e25413. doi: 10.7554/eLife.25413.


Dietary modulation of cortical excitation and inhibition.

Smith AK, Wade AR, Penkman KEH, Baker DH.

J Psychopharmacol. 2017 May;31(5):632-637. doi: 10.1177/0269881117699613. Epub 2017 Apr 4.


Lessons from Star Carr on the vulnerability of organic archaeological remains to environmental change.

High K, Milner N, Panter I, Demarchi B, Penkman KE.

Proc Natl Acad Sci U S A. 2016 Nov 15;113(46):12957-12962. Epub 2016 Oct 31.


Provenancing Archaeological Wool Textiles from Medieval Northern Europe by Light Stable Isotope Analysis (δ13C, δ15N, δ2H).

von Holstein IC, Walton Rogers P, Craig OE, Penkman KE, Newton J, Collins MJ.

PLoS One. 2016 Oct 20;11(10):e0162330. doi: 10.1371/journal.pone.0162330. eCollection 2016.


Biomineralisation by earthworms - an investigation into the stability and distribution of amorphous calcium carbonate.

Hodson ME, Benning LG, Demarchi B, Penkman KE, Rodriguez-Blanco JD, Schofield PF, Versteegh EA.

Geochem Trans. 2015 Apr 28;16:4. eCollection 2015.


Wet degradation of keratin proteins: linking amino acid, elemental and isotopic composition.

von Holstein IC, Penkman KE, Peacock EE, Collins MJ.

Rapid Commun Mass Spectrom. 2014 Oct 15;28(19):2121-33. doi: 10.1002/rcm.6999.


Intra-crystalline protein diagenesis (IcPD) in Patella vulgata. Part II: Breakdown and temperature sensitivity.

Demarchi B, Collins MJ, Tomiak PJ, Davies BJ, Penkman KE.

Quat Geochronol. 2013 Apr;16(100):158-172.


Intra-crystalline protein diagenesis (IcPD) in Patella vulgata. Part I: Isolation and testing of the closed system.

Demarchi B, Rogers K, Fa DA, Finlayson CJ, Milner N, Penkman KE.

Quat Geochronol. 2013 Apr;16(100):144-157.


Assessing amino acid racemization variability in coral intra-crystalline protein for geochronological applications.

Hendy EJ, Tomiak PJ, Collins MJ, Hellstrom J, Tudhope AW, Lough JM, Penkman KE.

Geochim Cosmochim Acta. 2012 Jun 1;86(9-2):338-353.


An aminostratigraphy for the British Quaternary based on Bithynia opercula.

Penkman KE, Preece RC, Bridgland DR, Keen DH, Meijer T, Parfitt SA, White TS, Collins MJ.

Quat Sci Rev. 2013 Feb 1;61(C):111-134.


Protein and mineral characterisation of rendered meat and bone meal.

Buckley M, Penkman KE, Wess TJ, Reaney S, Collins MJ.

Food Chem. 2012 Oct 1;134(3):1267-78. doi: 10.1016/j.foodchem.2012.02.167. Epub 2012 Mar 14.


A chronological framework for the British Quaternary based on Bithynia opercula.

Penkman KE, Preece RC, Bridgland DR, Keen DH, Meijer T, Parfitt SA, White TS, Collins MJ.

Nature. 2011 Jul 31;476(7361):446-9. doi: 10.1038/nature10305.


Amino acid geochronology of the type Cromerian of West Runton, Norfolk, UK.

Penkman KE, Preece RC, Keen DH, Collins MJ.

Quat Int. 2010 Dec 1;228(1-2):25-37.


Direct terrestrial-marine correlation demonstrates surprisingly late onset of the last interglacial in central Europe.

Sier MJ, Roebroeks W, Bakels CC, Dekkers MJ, Brühl E, De Loecker D, Gaudzinski-Windheuser S, Hesse N, Jagich A, Kindler L, Kuijper WJ, Laurat T, Mücher HJ, Penkman KE, Richter D, van Hinsbergen DJ.

Quat Res. 2011 Jan;75(1):213-8. doi: 10.1016/j.yqres.2010.11.003.


The impact of random natural variability on aspartic acid racemization ratios in enamel from different types of human teeth.

Griffin RC, Penkman KE, Moody H, Collins MJ.

Forensic Sci Int. 2010 Jul 15;200(1-3):148-52. doi: 10.1016/j.forsciint.2010.04.005. Epub 2010 May 11.


Differentiation of MIS 9 and MIS 11 in the continental record: vegetational, faunal, aminostratigraphic and sea-level evidence from coastal sites in Essex, UK.

Roe HM, Coope GR, Devoy RJ, Harrison CJ, Penkman KE, Preece RC, Schreve DC.

Quat Sci Rev. 2009 Nov;28(23-24):2342-2373.


Is amino acid racemization a useful tool for screening for ancient DNA in bone?

Collins MJ, Penkman KE, Rohland N, Shapiro B, Dobberstein RC, Ritz-Timme S, Hofreiter M.

Proc Biol Sci. 2009 Aug 22;276(1669):2971-7. doi: 10.1098/rspb.2009.0563. Epub 2009 Jun 3.


Age estimation of archaeological remains using amino acid racemization in dental enamel: a comparison of morphological, biochemical, and known ages-at-death.

Griffin RC, Chamberlain AT, Hotz G, Penkman KE, Collins MJ.

Am J Phys Anthropol. 2009 Oct;140(2):244-52. doi: 10.1002/ajpa.21058.


Preservation of ancient DNA in thermally damaged archaeological bone.

Ottoni C, Koon HE, Collins MJ, Penkman KE, Rickards O, Craig OE.

Naturwissenschaften. 2009 Feb;96(2):267-78. doi: 10.1007/s00114-008-0478-5. Epub 2008 Nov 29.


A new approach to amino acid racemization in enamel: testing of a less destructive sampling methodology.

Griffin RC, Moody H, Penkman KE, Fagan MJ, Curtis N, Collins MJ.

J Forensic Sci. 2008 Jul;53(4):910-6. doi: 10.1111/j.1556-4029.2008.00753.x.


New evidence for complex climate change in MIS 11 from Hoxne, Suffolk, UK.

Ashton N, Lewis SG, Parfitt SA, Penkman KE, Russell Coope G.

Quat Sci Rev. 2008 Apr;27(7-8):652-668.


Closed-system behaviour of the intra-crystalline fraction of amino acids in mollusc shells.

Penkman KE, Kaufman DS, Maddy D, Collins MJ.

Quat Geochronol. 2008 Feb;3(1-2):2-25.


Testing the aminostratigraphy of fluvial archives: the evidence from intra-crystalline proteins within freshwater shells.

Penkman KE, Preece RC, Keen DH, Maddy D, Schreve DC, Collins MJ.

Quat Sci Rev. 2007 Nov;26(22-24):2958-2969.


Ancient biomolecules from deep ice cores reveal a forested southern Greenland.

Willerslev E, Cappellini E, Boomsma W, Nielsen R, Hebsgaard MB, Brand TB, Hofreiter M, Bunce M, Poinar HN, Dahl-Jensen D, Johnsen S, Steffensen JP, Bennike O, Schwenninger JL, Nathan R, Armitage S, de Hoog CJ, Alfimov V, Christl M, Beer J, Muscheler R, Barker J, Sharp M, Penkman KE, Haile J, Taberlet P, Gilbert MT, Casoli A, Campani E, Collins MJ.

Science. 2007 Jul 6;317(5834):111-4.


The application of amino acid racemization in the acid soluble fraction of enamel to the estimation of the age of human teeth.

Griffin RC, Moody H, Penkman KE, Collins MJ.

Forensic Sci Int. 2008 Feb 25;175(1):11-6. Epub 2007 Jun 18.


The earliest record of human activity in northern Europe.

Parfitt SA, Barendregt RW, Breda M, Candy I, Collins MJ, Coope GR, Durbidge P, Field MH, Lee JR, Lister AM, Mutch R, Penkman KE, Preece RC, Rose J, Stringer CB, Symmons R, Whittaker JE, Wymer JJ, Stuart AJ.

Nature. 2005 Dec 15;438(7070):1008-12.


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