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Items: 15

1.

SIMS analyses of the oldest known assemblage of microfossils document their taxon-correlated carbon isotope compositions.

Schopf JW, Kitajima K, Spicuzza MJ, Kudryavtsev AB, Valley JW.

Proc Natl Acad Sci U S A. 2018 Jan 2;115(1):53-58. doi: 10.1073/pnas.1718063115. Epub 2017 Dec 18.

2.

Reply to Dvořák et al.: Apparent evolutionary stasis of ancient subseafloor sulfur cycling biocoenoses.

Schopf JW, Kudryavtsev AB, Walter MR, Van Kranendonk MJ, Williford KH, Kozdon R, Valley JW, Gallardo VA, Espinoza C, Flannery DT.

Proc Natl Acad Sci U S A. 2015 May 19;112(20):E2560. doi: 10.1073/pnas.1503754112. Epub 2015 Apr 20. No abstract available.

3.

Sulfur-cycling fossil bacteria from the 1.8-Ga Duck Creek Formation provide promising evidence of evolution's null hypothesis.

Schopf JW, Kudryavtsev AB, Walter MR, Van Kranendonk MJ, Williford KH, Kozdon R, Valley JW, Gallardo VA, Espinoza C, Flannery DT.

Proc Natl Acad Sci U S A. 2015 Feb 17;112(7):2087-92. doi: 10.1073/pnas.1419241112. Epub 2015 Feb 2.

4.

Evidence of compositional and ultrastructural shifts during the development of calcareous tubes in the biofouling tubeworm, Hydroides elegans.

Chan VB, Vinn O, Li C, Lu X, Kudryavtsev AB, Schopf JW, Shih K, Zhang T, Thiyagarajan V.

J Struct Biol. 2015 Mar;189(3):230-7. doi: 10.1016/j.jsb.2015.01.004. Epub 2015 Jan 16.

PMID:
25600412
5.

Characterization of the stem anatomy of the Eocene fern Dennstaedtiopsis aerenchymata (Dennstaedtiaceae) by use of confocal laser scanning microscopy.

Shi CS, Schopf JW, Kudryavtsev AB.

Am J Bot. 2013 Aug;100(8):1626-40. doi: 10.3732/ajb.1300027. Epub 2013 Aug 7.

6.

Gypsum-permineralized microfossils and their relevance to the search for life on Mars.

Schopf JW, Farmer JD, Foster IS, Kudryavtsev AB, Gallardo VA, Espinoza C.

Astrobiology. 2012 Jul;12(7):619-33. doi: 10.1089/ast.2012.0827. Epub 2012 Jul 13.

PMID:
22794252
7.
8.

Raman spectra of a Lower Cambrian ctenophore embryo from southwestern Shaanxi, China.

Chen JY, Schopf JW, Bottjer DJ, Zhang CY, Kudryavtsev AB, Tripathi AB, Wang XQ, Yang YH, Gao X, Yang Y.

Proc Natl Acad Sci U S A. 2007 Apr 10;104(15):6289-92. Epub 2007 Apr 2.

9.
10.

Three-dimensional confocal optical imagery of precambrian microscopic organisms.

Schopf JW, Tripathi AB, Kudryavtsev AB.

Astrobiology. 2006 Feb;6(1):1-16.

PMID:
16551223
11.

Raman imagery: a new approach to assess the geochemical maturity and biogenicity of permineralized precambrian fossils.

Schopf JW, Kudryavtsev AB, Agresti DG, Czaja AD, Wdowiak TJ.

Astrobiology. 2005 Jun;5(3):333-71.

PMID:
15941380
12.

Atomic force microscopy of Precambrian microscopic fossils.

Kempe A, Schopf JW, Altermann W, Kudryavtsev AB, Heckl WM.

Proc Natl Acad Sci U S A. 2002 Jul 9;99(14):9117-20. Epub 2002 Jun 27. Erratum in: Proc Natl Acad Sci U S A. 2004 Jun 8;101(23):8838.

13.

Laser--Raman imagery of Earth's earliest fossils.

Schopf JW, Kudryavtsev AB, Agresti DG, Wdowiak TJ, Czaja AD.

Nature. 2002 Mar 7;416(6876):73-6.

PMID:
11882894
14.

In situ laser-Raman imagery of precambrian microscopic fossils.

Kudryavtsev AB, Schopf JW, Agresti DG, Wdowiak TJ.

Proc Natl Acad Sci U S A. 2001 Jan 30;98(3):823-6.

15.

Polarized Raman spectroscopic studies of tetragonal lysozyme single crystals.

Kudryavtsev AB, Mirov SB, DeLucas LJ, Nicolete C, van der Woerd M, Bray TL, Basiev TT.

Acta Crystallogr D Biol Crystallogr. 1998 Nov 1;54(Pt 6 Pt 2):1216-29.

PMID:
10089500

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