Articles by Klaus Roth published in ChemistryViews
Focus: Cheryl Dembe: A Woman Who Didn't Give Up
- Author: Klaus Roth
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(Images: C. Dembe, University of Chicago)
06 April 2021 — An inspirational example of not letting obstacles discourage you, but using them as stepping stones instead
Focus: Sir Hans Adolf Krebs (1900 – 1981)
Author: Klaus Roth
03 November 2020 — Discoverer of the citric acid and urea cycles forced to leave Nazi Germany in 1933
Focus: The Smell of Asparagus Urine
Author: Sabine Streller, Klaus Roth
03 March 2020 — What substances cause the characteristic smell of asparagus pee?
Focus: Chemistry with Spit and Polish
Author: Klaus Roth
07 January 2020 — For generations, conservators have been cleaning the surfaces of artworks with their saliva
Focus: Sir Henry's Secret Pot of Gold
Author: Klaus Roth
19 June 2019 — A true fairy tale for entrepreneurs—with a rocky start
Focus: Pyrethrum: History of a Bio-Insecticide
Author: Klaus Roth, Elisabeth Vaupel
02 October 2018 — Chrysanthemum flowers as an insecticide
Focus: New Kids on the Table: Is Element 118 a Noble Gas?
Author: Klaus Roth
03 April 2018 — The synthesis of heavy elements
Focus: Is Vanilla-Flavored Pudding a Mutagen?
Author: Klaus Roth
05 September 2017 — A peculiar story about dealing with sources
Focus: Can Too Much Water Be Toxic? – Part 2
Author: Klaus Roth
01 August 2017 — How can water cross cell membranes? Fascinating chemistry that affects each one of us
Focus: Can Too Much Water Be Toxic? – Part 1
Author: Klaus Roth
04 July 2017 — Is such a thing as "water poisoning" possible?
Focus: To Tattoo or Not to Tattoo? – Part 4
Author: Klaus Roth
04 April 2017 — Tattoo removal, permanent make-up, and henna
Focus: To Tattoo or Not to Tattoo? – Part 3
Author: Klaus Roth
07 February 2017 — The process of tattooing
Focus: To Tattoo or Not to Tattoo? – Part 2
Author: Klaus Roth
03 January 2017 — Coloring materials employed in tattooing
Focus: To Tattoo or Not to Tattoo? – Part 1
Author: Klaus Roth
06 December 2016 — Tattooing from a chemical point of view
Focus: The Saccharin Saga – Part 4
Author: Klaus Roth and Erich Lück
05 January 2016 — A glance back to ancient Rome, and the most hair-raising of all sweeteners
Focus: The Saccharin Saga – Part 3
Author: Klaus Roth and Erich Lück
01 December 2015 — The health concerns associated with artificial sweeteners
Focus: The Saccharin Saga – Part 2
Author: Klaus Roth and Erich Lück
06 October 2015 — The early industrial production and organized smuggling of saccharin
Magazine: What the Public Thinks About Chemists
- 18 September 2015
- Author: ChemistryViews.org
Klaus Roth writes why we should take pride in our chemistry and infect others with our enthusiasm
Focus: The Saccharin Saga – Part 1
Author: Klaus Roth and Erich Lück
01 September 2015 — The invention of the first artificial sweetener and a lifetime battle for credit
Interview: Strychnine: From Isolation to Total Synthesis – Interview
Author: Klaus Roth
04 August 2015 — Christine Beemelmanns and Hans-Ulrich Reissig explain why the synthesis of strychnine is challenging till today
Focus: Strychnine: From Isolation to Total Synthesis – Part 3
Author: Klaus Roth
07 July 2015 — What can we learn from the total synthesis of strychnine?
Focus: Strychnine: From Isolation to Total Synthesis – Part 2
Author: Klaus Roth
02 June 2015 — Why did it take 130 years to determine the structure of strychnine?
Focus: Strychnine: From Isolation to Total Synthesis – Part 1
Author: Klaus Roth
05 May 2015 — Just how toxic is strychnine, and why?
Focus: Agatha Christie: The Chemistry of a (Nearly) Perfect Murder
Author: Klaus Roth
07 April 2015 — A devilish plan – thwarted by general chemistry knowledge
Focus: The Chemistry of Tobacco – Part 5
Author: Sabine Streller and Klaus Roth
03 March 2015 — What happens when a smoker tries to quit?
Magazine: 70th Birthday: Klaus Roth
- 30 January 2015
- Author: ChemViews
Author and Professor Klaus Roth, Freie Universität Berlin, Germany, celebrates his 70th birthday
Focus: The Chemistry of Tobacco – Part 4
Author: Sabine Streller and Klaus Roth
06 January 2015 — What does cigarette smoke contain and what does nicotine do to the smoker?
Focus: The Chemistry of Tobacco – Part 3
Author: Sabine Streller and Klaus Roth
02 December 2014 — How Does a Tobacco Plant Synthesize Nicotine?
Focus: The Chemistry of Tobacco – Part 2
Author: Sabine Streller and Klaus Roth
04 November 2014 — What does tobacco contain and which chemical changes happen between the harvest and a finished cigarette?
Focus: The Chemistry of Tobacco – Part 1
Author: Sabine Streller and Klaus Roth
07 October 2014 — Looking at the history of tobacco consumption – from chewing and snuffing to smoking
Focus: The Biochemistry of Peppers – Part 2
Author: Klaus Roth
03 June 2014 — We are only able to taste sweet, bitter, sour, salty, and umami – how do we taste hotness?
Focus: The Biochemistry of Peppers
Author: Klaus Roth
06 May 2014 — How is it that only plants from the genus Capsicum are able to synthesize compounds that sting one’s tongue so intensely?
Focus: Investigators in the Fight Against Scurvy
Author: Klaus Roth and Sabine Streller
04 May 2014 — Achievements from the first attempts to cure vitamin C deficiency to the isolation, structure determination and synthesis of vitamin C
Focus: Vitamin C Deficiency – Part 4
Author: Klaus Roth and Sabine Streller
01 April 2014 — How much vitamin C do we need in our modern food?
Focus: Vitamin C Deficiency – Part 3
Author: Klaus Roth and Sabine Streller
04 March 2014 — Looking at the chemical and physiological properties of vitamin C and at how it intervenes in many biochemical processes
Focus: Vitamin C Deficiency – Part 2
Author: Klaus Roth and Sabine Streller
04 February 2014 — When scurvy was identified as a form of malnutrition, an exciting race for the isolation, structure determination, and synthesis of vitamin C started
Focus: Vitamin C Deficiency
Author: Klaus Roth and Sabine Streller
07 January 2014 — It took hundred of years and a long sequence of small advantages and missed opportunities to discover the importance of vitamin C
Focus: The Oktoberfest Rearrangement: Part 3
Author: Klaus Roth
10 October 2013 — The chemistry involved in the production of beer foam or "head" is explained and a short history of the highights of the Oktoberfest
Focus: The Oktoberfest Rearrangement: Part 2
Author: Klaus Roth
01 October 2013 — As hops themselves actually are not bitter, and the wort tastes quite sweet, where does beer get its bitter taste from?
Focus: The Oktoberfest Rearrangement
Author: Klaus Roth
03 September 2013 — A closer look at the chemical role hops play in the beer-brewing process shows how beer owes its marvelous flavor to a great deal of chemistry
Focus: From Pharmacy to the Pub — A Bark Conquers the World: Part 4
Author: Klaus Roth and Sabine Streller
06 August 2013 — What does quinine do to counteract malaria?
Focus: From Pharmacy to the Pub — A Bark Conquers the World: Part 3
Author: Klaus Roth and Sabine Streller
02 July 2013 — The long road from the structure determination to the total synthesis of quinine is an exciting detective story
Focus: From Pharmacy to the Pub — A Bark Conquers the World: Part 1
Author: Klaus Roth and Sabine Streller
07 May 2013 — The quinine-containing bark of the Cinchona tree is probably the most valuable drug the Americas gave the world
Focus: Our Daily Bread — Part 3
Author: Klaus Roth
02 April 2013 — Exploring the chemical reactions during the baking of the bread and the skills trained and experienced bakers need
Focus: Our Daily Bread — Part 2
Author: Klaus Roth
05 March 2013 — Fragrant, aromatic bread, whether its wheat- or rye-based, undergoes a host of chemical reactions during the kneading of the dough
Focus: Our Daily Bread — Part 1
Author: Klaus Roth
05 February 2013 — Transformation of ripe ears of grain into a fragrant, aromatic bread borders on the miraculous and behind such a miracle lies chemistry
Focus: A Chemical Examination of the Isenheim Altar: Role Played in History by Horned Rye (3)
Author: Klaus Roth and Sabine Streller
08 January 2013 — The isolation and structural determination of the potent ergot alkaloids guarantees we can enjoy our daily bread without harm
Focus: A Chemical Examination of the Isenheim Altar: Role Played in History by Horned Rye (2)
Author: Klaus Roth and Sabine Streller
04 December 2012 — What is an ergot-infested grain kernel? Part 2 looks at the life-cycle of the fungus, how it contributed to the Salem witch trials, and a self test
Focus: A Chemical Examination of the Isenheim Altar: Role Played in History by Horned Rye (1)
Author: Klaus Roth and Sabine Streller
06 November 2012 — The Isenheim Altar depicts the symptoms and treatment of “St. Anthony’s Fire”, the result of poisoning by ergot alkaloids
Focus: Chemical Production in Compliance with Torah and the Koran: Part 2
Author: Klaus Roth
02 October 2012 — We examine the effects of these restrictions on the preparation processes involved in the making of halal and kosher products
Focus: Chemical Production in Compliance with Torah and the Koran: Part 1
Author: Klaus Roth
04 September 2012 — Unusual interface between chemistry and religion, drawing upon examples from Islamic and Judaic law
Focus: Chemical Secrets of the Violin Virtuosi – Part 3
Author: Klaus Roth
07 August 2012 — In this final part, Klaus Roth asks: Do Stradivarius violins really sound better than all the rest?
Focus: Chemical Secrets of the Violin Virtuosi — Part 2
Author: Klaus Roth
03 July 2012 — What made Stradivari's violins so special? Klaus Roth looks at the important role of chemistry in Stradivari's workshop and instruments
Focus: Chemical Secrets of the Violin Virtuosi — Part 1
Author: Klaus Roth
05 June 2012 — What made Stradivari's violins so special? Klaus Roth looks at the important role of chemistry in Stradivari's workshop and instruments
Focus: Boiled Eggs: Soft and Hard — Part 4
Author: Klaus Roth
02 May 2012 — Finally, we reach the practical part as we discover the ideal egg, from a culinary perspective
Focus: Boiled Eggs: Soft and Hard — Part 3
Author: Klaus Roth
19 April 2012 — We look at the chemical changes that occur when an egg is boiled and discover how to unboil the egg afterwards
Focus: Boiled Eggs: Soft and Hard — Part 2
Author: Klaus Roth
03 April 2012 — We examine an egg on its journey from hen to table, including the first in situ monitoring methods, to ensure the perfect breakfast egg
Magazine: The Crisis of the Chemist — Chemists and Their Handicaps
- 01 April 2012
- Author: Klaus Roth/Images © Klaus Roth
Interview with Erwin Reicher, first ever Professor of Applied Popularity Research, University of Kleinzack, on how to make chemistry popular
Focus: Boiled Eggs: Soft and Hard — Part 1
Author: Klaus Roth
06 March 2012 — When we rap a knife on the shell of a freshly boiled egg we are seldom aware of what a technical marvel we are dealing with
Focus: Pesto — Mediterranean Biochemistry Part 2
Author: Klaus Roth
19 January 2012 — In this last part we take a look at the synthesis of the perfect pesto
Focus: Pesto — Mediterranean Biochemistry
Author: Klaus Roth
03 January 2012 — Klaus Roth uncovers the nature of this culinary-chemical marvel, and thereby comes to enjoy it all the more
Focus: Chemistry of the Christmas Candle — Part 3
Author: Klaus Roth
24 December 2011 — In this last part we consider a candle burning in the absence of gravity
Focus: Chemistry of the Christmas Candle — Part 2
Author: Klaus Roth
06 December 2011 — We pursue the fate of a single wax molecule in a burning candle
Focus: Chemistry of the Christmas Candle — Part 1
Author: Klaus Roth
02 November 2011 — When we light a candle, the chemistry we are pursuing is not only especially beautiful, but also especially complex
Video: Interview with ChemistryViews Author Klaus Roth
- 02 November 2011
- Author: ChemistryViews
Interview with ChemistryViews Author Klaus Roth, Freie Universität Berlin, Germany
Focus: The Chemist’s Fear of the Fugu — Part 3
Author: Klaus Roth
03 October 2011 — Klaus Roth considers the poison tetrodotoxin from the fugu's perspective
Focus: The Chemist’s Fear of the Fugu — Part 2
Author: Klaus Roth
06 September 2011 — What to do if one’s fugu banquet seems not to sit well?
Focus: The Chemist’s Fear of the Fugu
Author: Klaus Roth
01 August 2011 — The chemist’s fear of the fugu or pufferfish extends as far as the distinctive and intriguing poison it carries
Focus: Chemistry of a Hangover — Alcohol and its Consequences Part 3
Author: Klaus Roth
06 July 2011 — How can a tiny molecule like ethanol be at the root of so much human misery?
Focus: Chemistry of a Hangover — Alcohol and its Consequences Part 2
Author: Klaus Roth
07 June 2011 — How can a tiny molecule like ethanol be at the root of so much human misery? Klaus Roth looks at how ethanol is metabolized
Focus: Chemistry of a Hangover — Alcohol and its Consequences
Author: Klaus Roth
03 May 2011 — How can a tiny molecule like ethanol be at the root of so much human misery?
Focus: Sparkling Wine, Champagne & Co – Part 3
Author: Klaus Roth
22 December 2010 — The scientific basis for the fascinating bubble dance and how to ensure it lasts as long as possible
Focus: Sparkling Wine, Champagne & Co – Part 2
Author: Klaus Roth
17 December 2010 — Opening the bottle and choosing the glass – Who would have guessed that both would give us insights into thermodynamics?
Focus: Sparkling Wine, Champagne & Co – Part 1
Author: Klaus Roth
08 December 2010 — Looking a bit deeper into the glass we discover that there is a great deal of chemistry involved ... only chemistry can be this tingling
Focus: Chocolate – The Noblest Polymorphism III
Author: Klaus Roth
04 October 2010 — Klaus Roth takes the final look at chocolate, health, sex, and drugs as he asks - Chocolate, a healthy food?
Focus: Chocolate – The Noblest Polymorphism II
Author: Klaus Roth
13 September 2010 — Cocoa butter can crystallize into six forms, but only one has the noble surface sheen, the crisp hardness, and melts pleasantly in the mouth
Focus: Chocolate - The Noblest Polymorphism I
Author: Klaus Roth
29 July 2010 — Chocolate is a cultural asset of mankind. Klaus Roth proves, once again, only chemistry is able to produce such a celestial pleasure
Focus: Espresso – A Feast for the Senses
Author: Klaus Roth, translated by E. Russey
01 July 2010 — Klaus Roth concludes his look at espresso with a scrutinizing glance at the foamy, consolidated surface layer, the crema.
Focus: Espresso – A Three-Step Preparation
Author: Klaus Roth
13 May 2010 — Klaus Roth proves that no culinary masterpiece can be achieved without a basic knowledge of chemistry.
Magazine: Some Like It Hot: The Scale of Wilburn Lincoln Scoville
- 06 May 2010
- Author: K. Roth
Only capsicum can synthesize chemical compounds irritating our tongue to produce a pleasant spicy feeling!
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