Chemistry For Your Life

• Why is sweat salty?

  Melissa and Jam explore the science behind why sweat is salty. They discuss personal experiences with sweating, the types of sweat glands, and the chemical processes involved in sweat production. The episode explains how osmosis, ion channels, and salt concentrations contribute to the movement of sweat through sweat glands to the skin's surface. They also touch on evolutionary aspects and the role of sweat in cooling the body. For anyone curious about the chemistry of everyday life, this episode offers an accessible and intriguing explanation. 00:00 Introduction: Why is Sweat Salty? 00:27 Personal Experiences with Sweat 01:32 The Science Behind Sweat 02:00 Meet the Hosts 02:20 Types of Sweat Glands 04:30 How Sweat Reaches the Skin 07:31 The Role of Salt in Sweat 14:20 Health Indicators in Sweat 17:01 Understanding Osmosis and Interstitial Fluid 17:39 Evolutionary Perspective on Sweating 20:01 Mechanism of Sweat Glands 22:41 Sweat Composition and Function 27:39 Personal Sweating Experiences 33:47 Supporting the Show and Community ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife References from this episode: https://pmc.ncbi.nlm.nih.gov/articles/PMC6773238/ https://pubs.rsc.org/en/content/articlehtml/2024/lc/d3lc00874f#cit23 https://pubs.acs.org/doi/full/10.1021/acsnano.4c10344 Thanks to our monthly supporters Vince W Julie S. Heather R Autoclave Chelsea M Dorien VD Scott B Jessie R Ciara L J0HNTR0Y Jeannette N Cullyn R Erica B Elizabeth P Sarah M Rachel R Letila Katrina B Suzanne P Venus R Lyn S Jacob T Brian K Emerson W Kristina G Timothy P Steven B Chris and Claire S Chelsea B Avishai B Hunter R ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife

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• How does sweat cool us down?

  #050 This week, Melissa and Jam once again look under the armpits of society, this time to explore sweat. Is it cool? Well does it keep us cool? How? At what cost? Is there more to sweat than meets the eye? Can you drink it? Grab your sweat bands and let's hit the track Paulie Bleeker.   References from this episode Flexible and Superwettable Bands as a Platform toward Sweat Sampling and Sensing - Analytical Chemistry - Xuecheng He, Tailin Xu, Zhen Gu, Wei Gao, Li-Ping Xu, Tingrui Pan, and Xueji Zhang A Fully Integrated and Self-Powered Smartwatch for Continuous Sweat Glucose Monitoring - ACS Sensors - Jiangqi Zhao, Yuanjing Lin, Jingbo Wu, Hnin Yin Yin Nyein, Mallika Bariya, Li-Chia Tai, Minghan Chao, Wenbo Ji, George Zhang, Zhiyong Fan, and Ali Javey General Chemistry, Edition 2 - Flowers, Theopold, Langley, Robinson Find us on Instagram, Twitter, and Facebook @ChemForYourLife. Email us at [email protected] And check out our chill, simple little website at https://chemforyourlife.transistor.fm/ Thanks to our monthly supporters Ciara Linville J0HNTR0Y Jeannette Napoleon Cullyn R Erica Bee Elizabeth P Sarah Moar Rachel Reina Letila Katrina Barnum-Huckins Suzanne Phillips Nelly Silva Venus Rebholz Lyn Stubblefield Jacob Taber Brian Kimball Emerson Woodhall Kristina Gotfredsen Timothy Parker Steven Boyles Chris Skupien Chelsea B Bri McAllister Avishai Barnoy Hunter Reardon ★ Support this podcast on Patreon ★

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• How does *color* film photography work??

  In this continuation of our two-part series, Melissa and Jam dive into the intriguing chemistry behind color film and Polaroid photography. The episode picks up from the previous discussion on black and white film, focusing on color theory and how it applies to both traditional and instant photography. Listeners will learn about the science of additive and subtractive colors, how multiple layers of dye-sensitized silver halide work together to capture images, and the unique processes involved in developing these images. For those fascinated by the intersection of chemistry and photography, this episode is a must-listen. 00:00 Introduction and Recap 01:42 Understanding Color Theory 05:08 Additive and Subtractive Colors 07:00 Color Photography Basics 08:45 Film Development Process 13:03 Negative and Positive Images 17:33 Practical Applications and Examples 23:28 Understanding Negative Images in Photography 24:26 Principles of Color Photography 25:22 Exploring Color Negatives and Filters 27:14 Layers and Sensitizers in Color Film 29:51 The Development Process of Color Film 34:22 Introduction to Polaroid Photography 35:20 The Chemistry Behind Polaroid Development 40:06 Fascination with Photography and Color Theory 40:50 Favorite Black and White TV Shows 44:12 Closing Remarks and Community Shoutouts ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife References from this episode: https://pubs-acs-org.libproxy.library.unt.edu/doi/epdf/10.1021/ed052p622?ref=article_openPDF https://pubs-acs-org.libproxy.library.unt.edu/doi/10.1021/acs.jchemed.6b00400 https://pubs-acs-org.libproxy.library.unt.edu/doi/10.1021/ed081p694 https://edu.rsc.org/experiments/making-a-photographic-print-using-silver-chloride/454.article https://www.acs.org/content/dam/acsorg/education/resources/highschool/chemmatters/articlesbytopic/metals%20and%20nonmetals/chemmatters-feb2006-digital-photo.pdf https://www.researchgate.net/profile/Rolf-Steiger/publication/279964154_CHEMICAL_SENSITIZATION_OF_SILVER_BROMIDE/links/5a7d8b55aca272341aef2f6f/CHEMICAL-SENSITIZATION-OF-SILVER-BROMIDE.pdf https://www.acs.org/education/celebrating-chemistry-editions/2024-ncw/chemistry-of-polaroids.html https://cen.acs.org/articles/87/i12/Instant-Film.html https://www.acs.org/education/whatischemistry/landmarks/land-instant-photography.html https://pubs-acs-org.libproxy.library.unt.edu/doi/epdf/10.1021/ed051p72?ref=article_openPDF Thanks to our monthly supporters Vince W Julie S. Heather R Autoclave Chelsea M Dorien VD Scott B Jessie R Ciara L J0HNTR0Y Jeannette N Cullyn R Erica B Elizabeth P Sarah M Rachel R Letila Katrina B Suzanne P Venus R Lyn S Jacob T Brian K Emerson W Kristina G Timothy P Steven B Chris and Claire S Chelsea B Avishai B Hunter R ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife

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• Ask a Chemist: Is Baking Soda and Vinegar a Cleaning Myth? (And other questions)

  Melissa and Jam tackle a variety of questions and corrections from their listeners. They dive into topics such as the effectiveness of baking soda and vinegar as cleaning agents, the science behind kombucha carbonation, the structural differences in Panko breadcrumbs, and how polymer clays harden in the oven versus air dry clay. They also explore fun anecdotes from the community about glow-in-the-dark items and discuss how Monster energy drinks can explode when frozen. The episode provides valuable insights into everyday chemistry while addressing common myths and misconceptions. 00:00 Introduction and Teasers 00:34 Corrections and Community Feedback 02:14 Kombucha Fermentation Discussion 10:31 Baking Soda and Vinegar Cleaning Debate 15:45 Adhesives for Panko Breadcrumbs 16:59 Greek Yogurt and Panko Breadcrumbs Recipe 18:02 The Science Behind Panko Breadcrumbs 19:10 Ozone Layer and COVID-19 Impact 21:43 Exploding Monster Energy Drinks 23:44 Mel's Research and Published Articles 25:23 Polymer Clays and Air Dry Clays 26:50 Alternative Career Choices 31:30 Listener Anecdotes and Community Engagement 34:51 Supporting the Show and Final Thoughts ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife Thanks to our monthly supporters Vince W Julie S. Heather R Autoclave Chelsea M Dorien VD Scott B Jessie R Ciara L J0HNTR0Y Jeannette N Cullyn R Erica B Elizabeth P Sarah M Rachel R Letila Katrina B Suzanne P Venus R Lyn S Jacob T Brian K Emerson W Kristina G Timothy P Steven B Chris and Claire S Chelsea B Avishai B Hunter R ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife

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• What is the chemistry of film photography?

  Melissa and Jam delve into the fascinating chemistry behind film photography. They reminisce about their childhood experiences with analog cameras and discuss the shift to digital cameras. Melissa, a chemist, explains the complex chemical processes involved in capturing and developing photos on film, focusing on the role of light-sensitive silver bromide. The episode also includes shout-outs to community members who spurred the topic and closes with personal stories and favorite film photos. Get ready to explore the intersection of chemistry and photography while revisiting nostalgia from the days of film cameras. 00:00 Nostalgia: From Film to Digital Cameras 00:38 The Shift to Digital Photography 01:52 Introduction to the Podcast 02:01 Shoutouts and Listener Requests 12:32 The Chemistry Behind Film Photography 28:03 Amplifying the Latent Image 28:24 Creating the Negative 29:11 Fixing the Image 29:51 Understanding the Negative 30:30 Inverting the Negative 31:15 Early Photography Challenges 32:12 Explaining the Process 33:21 Chemical Reactions in Film Development 34:44 Scanning and Developing Film 41:15 Personal Film Photography Stories 51:29 Supporting the Show ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife References from this episode: https://pubs-acs-org.libproxy.library.unt.edu/doi/epdf/10.1021/ed052p622?ref=article_openPDF https://pubs-acs-org.libproxy.library.unt.edu/doi/10.1021/acs.jchemed.6b00400 https://pubs-acs-org.libproxy.library.unt.edu/doi/10.1021/ed081p694 https://edu.rsc.org/experiments/making-a-photographic-print-using-silver-chloride/454.article https://www.acs.org/content/dam/acsorg/education/resources/highschool/chemmatters/articlesbytopic/metals%20and%20nonmetals/chemmatters-feb2006-digital-photo.pdf https://www.researchgate.net/profile/Rolf-Steiger/publication/279964154_CHEMICAL_SENSITIZATION_OF_SILVER_BROMIDE/links/5a7d8b55aca272341aef2f6f/CHEMICAL-SENSITIZATION-OF-SILVER-BROMIDE.pdf https://www.acs.org/education/celebrating-chemistry-editions/2024-ncw/chemistry-of-polaroids.html https://cen.acs.org/articles/87/i12/Instant-Film.html https://www.acs.org/education/whatischemistry/landmarks/land-instant-photography.html https://pubs-acs-org.libproxy.library.unt.edu/doi/epdf/10.1021/ed051p72?ref=article_openPDF Thanks to our monthly supporters Vince W Julie S. Heather R Autoclave Chelsea M Dorien VD Scott B Jessie R Ciara L J0HNTR0Y Jeannette N Cullyn R Erica B Elizabeth P Sarah M Rachel R Letila Katrina B Suzanne P Venus R Lyn S Jacob T Brian K Emerson W Kristina G Timothy P Steven B Chris and Claire S Chelsea B Avishai B Hunter R ★ Support this podcast on Patreon ★ ★ Buy Podcast Merch and Apparel ★ Check out our website at chemforyourlife.com Watch our episodes on YouTube Find us on Instagram, Twitter, and Facebook @ChemForYourLife

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