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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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Chemistry for you: March 5-12

Posted By David L. Evans, 16 hours ago
Updated: 16 hours ago

Chemistry for you: March 5-12

Amyloid clumps start early in brains

http://www.biosciencetechnology.com/news/2015/03/alzheimer-amyloid-clumps-found-young-adult-brains?et_cid=4445161&et_rid=54713780&location=top

Complete, free report from Biosci. Tech.


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Chemicals of life: Feb. 19-26

Posted By David L. Evans, Thursday, February 19, 2015
Updated: Wednesday, March 04, 2015

Chemicals of life: Feb. 19-26

What good are oxidants?

http://blogs.scientificamerican.com/food-matters/2015/02/23/antioxidant-supplements-too-much-of-a-kind-of-good-thing/

Full, free blog, image, link from Sci. Am. 

Amyloids not just for Alzheimer but Type II diabetes

http://www.biosciencetechnology.com/news/2015/02/amyloid-formation-may-link-alzheimers-type-2-diabetes?et_cid=4421938&et_rid=54713780&location=top

Complete, free report from Biosci. Tech.

So many micro-RNA sequences in human genome!

http://www.genengnews.com/gen-news-highlights/number-of-micrornas-in-human-genome-skyrockets/81250958/

Full, free item, image from GEN

How RNA helps viruses to persist in our cells

http://www.the-scientist.com//?articles.view/articleNo/42011/title/TSLive--The-Enemy-Within/

Free video from The Scientist


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Living chemistry: Feb. 12-19

Posted By David L. Evans, Thursday, February 12, 2015
Updated: Thursday, February 19, 2015

Living chemistry: Feb. 12-19

Chemistry from here and there

Calibrating your pH meter

http://www.rdmag.com/articles/2015/02/six-tips-to%C2%A0use-when-calibrating-your-ph-meter?et_cid=4415331&et_rid=54713780&location=top

Complete, free report from R&D Mag.

Reactive oxygen species and lifespan

http://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1004972

Full, free article, graphics, linked citations from PLoS Gen.

Calcium phosphate lattice in tooth enamel

http://www.the-scientist.com//?articles.view/articleNo/42166/title/Image-of-the-Day--Elegant-Enamel/

Short explanation, SER from The Scientist

Alzheimer Disease and chemicals

Iron carrier failing in Alzheimer?

http://www.biosciencetechnology.com/news/2015/02/iron-may-be-factor-dementia?et_cid=4420409&et_rid=54713780&location=top

Complete, free report from Biosci. Tech.

Inhibitor molecule can stop Alzheimer progression

http://www.dddmag.com/news/2015/02/molecular-inhibitor-breaks-cycle-leads-alzheimers?et_cid=4419571&et_rid=54713780&location=top

Full, free essay from Drug discov. & develop.

Nucleic acids or not?

Life without the Central Dogma?

http://news.sciencemag.org/biology/2015/02/shadow-biosphere-might-be-hiding-strange-life-right-under-our-noses?rss=1

Complete, free report from Science

RNA signalling: universal in living things

http://www.genengnews.com/gen-news-highlights/rna-signal-recognized-across-domains-of-life/81250926/

Complete, free report from GEN


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You asked about chems: Feb. 5-12

Posted By David L. Evans, Friday, February 06, 2015
Updated: Wednesday, February 11, 2015

You asked about chems: Feb. 5-12

Another stress protection pathway found

http://www.genengnews.com/gen-news-highlights/the-rhebs-rise-again-this-time-to-protect-the-cell/81250895/

Complete, free report from GEN

Blood chemicals show lack of sleep in humans and rats

https://www.sciencenews.org/article/signs-sleep-debt-found-blood

Full, free essay, links from Sci. News


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Contemporary biochem.: Jan. 29-Feb. 5

Posted By David L. Evans, Thursday, January 29, 2015
Updated: Wednesday, February 04, 2015

Contemporary biochem.: Jan. 29-Feb. 5

Sugar beets have hemoglobin

http://www.scientificamerican.com/article/sugar-beets-make-hemoglobin/?WT.mc_id=SA_HLTH_20150203

Full, free essay from Sci. Am.

"Father of the Pill," Carl Djerassi dies

http://www.the-scientist.com//?articles.view/articleNo/42034/title/Influential-Chemist-Dies/

Complete, free obituary, links from The Scientist

Early menopause and endocrine disruptors

http://www.rsc.org/chemistryworld/2015/02/endocrine-disruptors-plasticiser-linked-early-menopause

Full, free report, image, links from Chem. World

Disappearing history of alchemy and chemistry

http://www.columbia.edu/itc/chemistry/chem-c2507/navbar/chemhist.html

Free table on website from Columbia



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Winter of biochemicals: Jan. 22-29

Posted By David L. Evans, Thursday, January 22, 2015
Updated: Tuesday, January 27, 2015

Winter of biochemicals: Jan. 22-29

Thanks to 'net detective A.J. Petto

DNA

Looking in the DNA: Last Universal Common Ancestor

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3531223/

Full, free article, linked citations, graphics from Nucleic Acids

Remarkable protein research

Unboiling the egg: straightening albumen out

http://www.rdmag.com/news/2015/01/chemists-find-way-unboil-eggs?et_cid=4382072&et_rid=54713780&location=top

Full, free story from R&D Mag.

Collagen + water = super chemical!

http://www.rdmag.com/news/2015/01/new-analysis-explains-collagen%E2%80%99s-force?et_cid=4376565&et_rid=54713780&type=headline

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

Lewy body protein

http://www.biosciencetechnology.com/news/2015/01/why-protein-mutations-lead-parkinsons-disease?et_cid=4378696&et_rid=54713780&type=headline

Full, free story, image from Biosci. Tech.

Membrane receptor protein imaged

http://www.rdmag.com/news/2015/01/pictured-together-first-time-chemokine-and-its-receptor?et_cid=4378652&et_rid=54713780&location=top

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

Agouti-related protein stimulates appetites in rodents

http://www.biosciencetechnology.com/news/2015/01/researchers-find-novel-signaling-pathway-involved-appetite-control?et_cid=4374381&et_rid=54713780&location=top

Complete, free report from Biosci. Tech.


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A new year of chemicals: Jan. 15-22

Posted By David L. Evans, Thursday, January 15, 2015
Updated: Monday, January 19, 2015

A new year of chemicals: Jan. 15-22

Titin and cardiomyopathy

http://www.biosciencetechnology.com/news/2015/01/teasing-out-genes-signal-heart-failure-risk?et_cid=4367463&et_rid=54713780&location=top

Full, free essay from Biosci. Tech.

Protein glycosylation important in Alzheimer Disease

http://www.dddmag.com/news/2015/01/alzheimers-plaques-reduced-targeting-sugar-attachment?et_cid=4365184&et_rid=54713780&location=top

Complete, free report from Drug discov. & develop.

Protein "cages" for RNA granules in cell

http://www.biosciencetechnology.com/news/2015/01/new-tricks-found-how-cells-stay-organized?et_cid=4368097&et_rid=54713780&location=top

Full, free story from Biosci. Tech.


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January chemicals: Jan. 8-15

Posted By David L. Evans, Thursday, January 08, 2015
Updated: Tuesday, January 13, 2015

January chemicals: Jan. 8-15

Proteins

Resistin: protein linked to parasitic infestations

http://www.plospathogens.org/article/info%3Adoi%2F10.1371%2Fjournal.ppat.1004579

Full, free article, graphics, linked citations from PLoS Path.

NAD-related mitochondrial enzyme

http://www.the-scientist.com//?articles.view/articleNo/41867/title/Mitochondrial-Enzyme-Detailed/

Complete, free essay, image, link to original abstract, all from The Scientist

Protein removes apoptotic cells, regenerates axons

http://www.genengnews.com/gen-news-highlights/molecule-that-destroys-apoptotic-cells-also-repairs-damaged-axons/81250777/

Full, free report from GEN

Not proteins

10 million years of ethanol!

http://www.biosciencetechnology.com/articles/2015/01/pros-and-cons-alcohol-consumption-10m-years?et_cid=4356081&et_rid=54713780&type=headline

Complete, free report, links from Biosci. Tech.

Studying precursors of life

http://www.latimes.com/science/sciencenow/la-sci-sn-interstellar-ice-rna-molecules-life-earth-20150112-story.html

Full, free story, images, link from Newspaper


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Biochemistry for the new year: Dec. 25-Jan. 8

Posted By David L. Evans, Monday, January 05, 2015
Updated: Wednesday, January 07, 2015

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These biochemicals are for you: Dec. 11-18

Posted By David L. Evans, Friday, December 12, 2014
Updated: Tuesday, December 23, 2014

These biochemicals are for you: Dec. 11-25

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

Measuring the lengths of DNA with your smartphone

http://www.the-scientist.com//?articles.view/articleNo/41778/title/Measuring-DNA-with-a-Smartphone/

Short, free story, links from The Scientist

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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