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The latest news from David Evans. If you find any errors or omissions on this site, please contact me at: devans@pct.edu

 

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These biochemicals are for you: Dec. 11-18

Posted By David L. Evans, Friday, December 12, 2014
Updated: Wednesday, December 17, 2014

These biochemicals are for you: Dec. 11-18

Thanks this week to 'net detective Shahin Shabanian

Proteins

Absence of this protein may lead to obesity

http://www.biosciencetechnology.com/news/2014/12/discovery-may-explain-why-we-gain-weight?et_cid=4314589&et_rid=54713780&type=headline

Complete, free report from Biosci. Tech.

Iron-carrying proteins v meningitis pathogens

http://www.the-scientist.com//?articles.view/articleNo/41665/title/Iron-Ferrying-Protein-Impedes-Pathogens/

Full, free essay, image, links from The Scientist

How does ALS destroy motor neurons in the brain?

http://www.dddmag.com/news/2014/12/new-insight-how-motor-neurons-brain-die-during-als?et_cid=4323478&et_rid=54713780&location=top

Full, free story from Drug discov. & develop.

Other chemistry

mtDNA in the blood and frailty, mortality

http://www.genengnews.com/gen-news-highlights/mtdna-levels-directly-linked-to-frailty-and-mortality/81250708/

Complete, free report, image from GEN

Can you solve this cyanide-poisoning mystery?

http://www.theguardian.com/us-news/2014/dec/11/mystery-cyanide-kills-second-woman-pennsylvania-hospital

Full, free story, links from The Guardian


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Interesting biochemistry: Dec. 4-11

Posted By David L. Evans, Thursday, December 04, 2014
Updated: Tuesday, December 09, 2014

Interesting biochemistry: Dec. 4-11

Lining for drinks cans: bisphenol A and hypertension

http://hyper.ahajournals.org/content/60/3/786.full

Full, free article, linked citations, graphics from Hypertension

Viewing DNA double strand breaks

http://www.rdmag.com/news/2014/12/dna-double-strand-break-process-visualized-first-time?et_cid=4308561&et_rid=54713780&location=top

Full, free story, image, animation from R&D Mag.

Chirality and the beginning of life

http://www.scientificamerican.com/article/new-twist-in-life-s-start-could-aid-efforts-to-make-it-from-scratch/?WT.mc_id=SA_DD_20141205

Full, free essay, links from Sci. Am.

Martian meteorite with chemical evidence of life?

http://www.rdmag.com/videos/2014/12/traces-biological-activity-inside-meteorite?et_cid=4300306&et_rid=54713780&location=top

Complete, free report, video from R&D Mag.


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Bodacious biochemicals: Nov. 27-Dec. 4

Posted By David L. Evans, Monday, December 01, 2014
Updated: Wednesday, December 03, 2014

Bodacious biochemicals: Nov. 27-Dec. 4

DNA from space

http://www.scientificamerican.com/article/dna-can-survive-reentry-from-space/?WT.mc_id=SA_HLTH_20141202

Full, free article from Sci. Am.

Distinctive DNA methylation in "Ice storm babies"

http://genengnews.com/gen-news-highlights/ice-storm-babies-show-unique-epigenetic-profile/81250410/

Short, free essay, links from GEN

What the heck is XNA?

http://www.newscientist.com/article/dn26641-synthetic-enzymes-hint-at-life-without-dna-or-rna.html#.VH4akNLF_TQ

Full, free story, links from New Sci.

Originator of "Free radical" hypothesis of aging dies

http://www.biosciencetechnology.com/news/2014/11/doctor-behind-free-radical-aging-theory-dies?et_cid=4286492&et_rid=54713780&location=top

Complete, free report, image from Biosci. Tech.


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Modern chemistry: Nov. 20-27

Posted By David L. Evans, Friday, November 21, 2014
Updated: Tuesday, November 25, 2014

Modern chemistry: Nov. 20-27

Damaged histone may be key to senescence

http://www.genengnews.com/gen-news-highlights/clipped-histone-may-favor-cell-senescence-curtail-tumor-growth/81250634/

Full, free essay from GEN

Mapping the connections between human proteins

http://www.the-scientist.com//?articles.view/articleNo/41483/title/Illuminating-the-Interactome/

Complete, free report, image, links from The Scientist


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Biochemicals this week: Nov. 13-20

Posted By David L. Evans, Thursday, November 13, 2014
Updated: Friday, November 14, 2014

Biochemicals this week: Nov. 13-20

Alpha-synuclein aggregations: linked to parkinsonism?

http://www.the-scientist.com//?articles.view/articleNo/41429/title/Image-of-the-Day--Problem-Protein/

Short explanation, image from The Scientist

This retromere may be behind Alzheimer Disease

Fhttp://www.dddmag.com/news/2014/11/protein-complex-offer-fresh-clues-about-alzheimers?et_cid=4263682&et_rid=54713780&type=headline

ull, free report from Drug discov. & develop.

Introduction to polymers

http://ed.ted.com/lessons/from-dna-to-silly-putty-the-diverse-world-of-polymers-jan-mattingly

Full, free animation from TedEd.

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Cool chemicals: Nov. 6-13

Posted By David L. Evans, Thursday, November 06, 2014
Updated: Thursday, November 06, 2014

Cool chemicals: Nov. 6-13

Thanks this week to 'net detective Kira Wennstrom

How big is that antibody?

http://www.pnas.org/content/early/2009/04/15/0811427106.full.pdf

Complete, free report, images, charts, references from Proc. Nat. Acad. Sci.

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Beautiful biochemicals: Oct. 30-Nov.6

Posted By David L. Evans, Thursday, October 30, 2014
Updated: Monday, November 03, 2014

Beautiful biochemicals: Oct. 30-Nov.6

Change in receptor may break cocaine addiction

http://www.dddmag.com/news/2014/10/study-identifies-potential-treatment-target-cocaine-addiction?et_cid=4237917&et_rid=54713780&location=top

Full, free essay, image from Drug discov. & develop.

What delayed the animals? No oxygen

http://www.rdmag.com/news/2014/10/lack-oxygen-delayed-appearance-animals-earth?et_cid=4239537&et_rid=54713780&location=top

Full, free story from R&D Mag.

Phthalate linked to genitalia changes in babies

http://www.scientificamerican.com/article/plastic-chemical-linked-to-changes-in-baby-boys-genitals/?WT.mc_id=SA_DD_20141029

Complete, free report, links from Sci. Am.


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Chemicals in and around us: Oct. 23-30

Posted By David L. Evans, Thursday, October 23, 2014
Updated: Wednesday, October 29, 2014

Chemicals in and around us: Oct. 23-30

Chems from here and there

DNA-repair enzymes increases tissue damage

http://www.biosciencetechnology.com/news/2014/10/dna-repairing-enzyme-can-worsen-tissue-damage?et_cid=4233314&et_rid=54713780&location=top

Full, free essay, images from Biosci. Tech.

The ephemeral carbonic acid

http://www.rdmag.com/news/2014/10/new-insights-carbonic-acid-water?et_cid=4224475&et_rid=54713780&location=top

Complete, free report, image from R&D Mag.

Carbs

Beta-galactose behind doubling of female mortality?

http://www.bmj.com/content/349/bmj.g6015

Full free article, charts, linked citations from BMJ

What the heck is stevia?

http://www.nsf.gov/news/mmg/mmg_disp.jsp?med_id=77333

Short explanation, link, video from NSF

Lactose assembled

http://www.nsf.gov/news/mmg/mmg_disp.jsp?med_id=77330

Free video from NSF



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Chemistry now: Oct. 16-23

Posted By David L. Evans, Tuesday, October 21, 2014
Updated: Tuesday, October 21, 2014

Chemistry now: Oct. 16-23

Chems from here and there

Rice sequesters arsenic, avoids toxicity for itself

http://www.the-scientist.com//?articles.view/articleNo/41257/title/How-Rice-Overcomes-Arsenic/

Full, free essay, citation from The Scientist

How did polymers arise originally?

http://www.nsf.gov/news/mmg/mmg_disp.jsp?med_id=77304

Free video from NSF

Carbs

Sugar and ageing

http://www.biosciencetechnology.com/news/2014/10/sugared-soda-consumption-linked-cell-aging?et_cid=4215145&et_rid=54713780&location=top

Complete, free report, image from Biosci. Tech.

Assembling glucose with candy corn, more: Chemistry Week!

http://www.nsf.gov/news/mmg/mmg_disp.jsp?med_id=77313

Free video, links from NSF



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Chemicals all around us: Oct. 9-16

Posted By David L. Evans, Thursday, October 09, 2014
Updated: Tuesday, October 14, 2014

Chemicals all around us: Oct. 9-16

Unstable?

Free radicals aid in wound healing

http://www.genengnews.com/gen-news-highlights/free-the-radicals-for-better-wound-healing/81250466/

Full, free article from GEN

Protein instability in ALS

http://www.rdmag.com/news/2014/10/als-progression-linked-increased-protein-instability?et_cid=4207239&et_rid=54713780&location=top

Full, free essay, image from R&D Mag.

Good chems

FAHFA: new class of beneficial fatty acids

http://www.genengnews.com/gen-news-highlights/new-class-of-good-fats-protects-against-diabetes/81250460/

Complete, free report from GEN

Have you looked at this month's FASEB J?

http://www.fasebj.org/content/28/10.toc

Table of contents, free abstracts

Oxygen production before life?

http://blogs.ucdavis.edu/egghead/2014/10/02/making-oxygen-before-life/

Press release, image from U. Cal./Davis

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