Monomer sally - These guidelines are a consensus work of a considerable number of members of the immunology and flow cytometry community. They provide the theory and key practical aspects of flow cytometry enabling immunologists to avoid the common errors that often undermine immunological data. Notably, there are …

 
We would like to show you a description here but the site won’t allow us.. Nobody

Sally Beauty does not share or sell personal info. Bonding Acrylic Nail Liquid 8oz California Only SKU: SBS-156263 PERSONAL MESSAGE You have 250 characters left out of 250Make a good deal when shopping your Cuccio Match Makers Set Quilty As Charged. Klarna's easy Gift Boxes & Sets price comparison tools will help you find the lowest price!About this item . 💜 MOROVAN MONOMER ACRYLIC NAIL LIQUID 4OZ: Morovan professional monomer acrylic nail liquid and acrylic nail brush size 10, usually used with acrylic powder (not included), creates a protective layer, strengthening your natural nails, and promotes stronger nails without split or peel. Sally Beauty. Free 2 Hour Delivery on orders over $35. 15% off an online order when you sign up for text. See How. Text and Email Sign up; Rewards; Credit Card; App ... However, an analysis of 31 products sold between 1975 and 1981 revealed that this monomer was present in 9 of them. Patch testing with nail enamel may be performed by the covered or open method. However, open patch testing is recommended for nail enamel removers and cuticle removers due to their high volatile solvent concentrations. ASP Bonding Acrylic Nail Liquid is an adhesive acrylic liquid that does not require a primer. It creates beautiful crystal clear acrylic nails when used with ASP Bonding Powder. ASP Bonding Acrylic Nail Liquid is also available to ship to California. If the product is being shipped to California please select the Size labeled California Only.What is it? No Lift Nails Monomer Liquid Features a sun block that filters out harmful UV rays which can cause yellowing. Ensures less buffing and less finishing work with optimum results. What makes it special? Allows "wetbrush" application for a better finish Less buffing and less finishing workThe drying time of this Monomer Acrylic Nail Liquid is 3-5 minutes. Best time to dry. Enough time that allows you to make nail extension,overlays or sculpting with Acrylic Powder(not included)before it gets hard. This Acrylic liquid monomer won’t dry too slowly to damage your elaborate nail art while waiting . Great Compatibility . Sally Beauty. MINI Soak-Off Gel Nail Polish Tiger Blossom. In stock. $10.99 ...However, an analysis of 31 products sold between 1975 and 1981 revealed that this monomer was present in 9 of them. Patch testing with nail enamel may be performed by the covered or open method. However, open patch testing is recommended for nail enamel removers and cuticle removers due to their high volatile solvent concentrations.Energy is absorbed. Energy remains stationary. Energy becomes transformed. Energy is absorbed. A student writes the following statements about the relationship between mass defect and nuclear binding energy. 1. When an isotope's protons and neutrons come together to form a nuclide, a small amount of mass is converted to energy. 2. A molecule is nothing but a group of two or more atoms held together by chemical bonds. Commonly found polymers include carbohydrates, lipids or proteins, and are all made of repeating monomer units. Carbohydrate monomers called monosaccharides are composed of units of glucose and fructose. Lipids are similarly made of fatty acids and glycerol.Mia Secret Store Liquid Monomer Professional Acrylic Nail System, 32 oz Liquid, 946 ml: Advanced, blended, EMA, liquid monomer with a non-yellowing formula for cleaner-looking nails; Provides flexibility, adhesion and absorption when combined with Mia Secret Acrylic Powders; Professional acrylic nail system prevents discolorationFind the lowest prices on Monomer See 24 top models in online shops at Klarna US Discover online shopping deals easilyIntiMD TRUE-EMA Liquid Monomer 4 oz, Advanced GlamourShield Acrylic Formula, Nail Monomer Definition. A monomer is a small molecule that reacts with a similar molecule to form a larger molecule. It is the smallest unit in a polymer, which is often a macromolecule with high molecular weight. Monomers are the building blocks for biological macromolecules such as DNA, RNA, proteins and carbohydrates.the dnd gel commitment. Safety comes first. All of our nail polishes are non-toxic and formulated without harmful chemicals (can be harmful if used inappropriately). The incentives does not stop there, we are Cruelty-Free Leaping Bunny Certified, meaning all of our products are free from animal testing at all stages of product development!Shop acrylic powder and acrylic liquid at sally beauty. Buy now, pay later with Klarna. Rewards; ... Monomer (3) Nail Dehydrators (3) Nail Primers (2) Base Coats (1 ... These guidelines are a consensus work of a considerable number of members of the immunology and flow cytometry community. They provide the theory and key practical aspects of flow cytometry enabling immunologists to avoid the common errors that often undermine immunological data. Notably, there are …Sally Hansen Miracle Gel Merry and Bright Collection Gingerbread Man-icure - 0.5 fl oz. $7.49 ...Find the lowest prices on Monomer See 29 top models in online shops at Klarna US Discover online shopping deals easily OPI Gel Color - Mylar Dreams 0.5 oz - #HPN04. $19.99. Beauty Plus SalonAbout this item . MOROVAN PROFESSIONAL ACRYLIC NAIL KIT FOR BEGINNERS: This acrylic nail kit with everything comes in 3 colors acrylic powder, monomer acrylic nail liquid, 3 sizes acrylic nail brushes and other acrylic nail tools supplies, so you can create a protective layer to strengthen your own natural nails, long-lasting for 3-5 weeks. Make a good deal when shopping your Cuccio Colour Veneer Nail Polish Triple Pigmentation Soak Off Gel. Klarna's easy Nail Polishes price comparison tools will help you find the lowest price!In case of an Environmental, Health, Safety or Quality emergency involving our product, please call 1-800-Ashland (1-800-274-5263 toll-free) or 001-859-963-4704(caller paid).* LIQUID MONOMER & NAIL PREPS * MIA SECRET * SNS BASIC * TONY LY * VALENTINO * VALENTINO ACRYLIC COVER POWDER * YOUNG NAIL; DIPPING POWDER * DIPPING POWDER - CLEAR - P&W * DIP ALL ESSENTIALS * SNS dipping powder colors * OPI dipping powder colors * LDS dipping powder colors * Kiara sky dipping powder colors * Nugenesis dipping powder colorsGift Box / Set, Long-lasting. Compare prices from $15.99 to $103.99. Popularity . 2 . in . Gift Boxes & Sets About this item . MOROVAN PROFESSIONAL ACRYLIC NAIL KIT FOR BEGINNERS: This acrylic nail kit with everything comes in 3 colors acrylic powder, monomer acrylic nail liquid, 3 sizes acrylic nail brushes and other acrylic nail tools supplies, so you can create a protective layer to strengthen your own natural nails, long-lasting for 3-5 weeks. Western blotting is an important technique used in cell and molecular biology. By using a western blot, researchers are able to identify specific proteins from a complex mixture of proteins extracted from cells. The technique uses three elements to accomplish this task: (1) separation by size, (2) t … real or make believe worksheet for grade 6. austrian airlines check-in baggage / icao flight plan format. From second grade to high school, special needs to gifted, it works and works fast! They are also more likely to make others feel like they belong if they themselves are experiencing a sense of belonging. It tests your pupils' knowledge of ... We would like to show you a description here but the site won’t allow us.Nail Art & Polish › False Nails & Accessories › Acrylic Nail Tools $4099 ($40.99 / Count) FREE delivery August 9 - 10. Details Select delivery location In Stock Qty: 1 Buy Now Payment Secure transaction Ships from SALLY♥BEAUTY Sold by SALLY♥BEAUTY Returns Eligible for Refund or Replacement if damaged or defective Payment Secure transactionreal or make believe worksheet for grade 6. austrian airlines check-in baggage / icao flight plan format. From second grade to high school, special needs to gifted, it works and works fast! They are also more likely to make others feel like they belong if they themselves are experiencing a sense of belonging. It tests your pupils' knowledge of ...Here Are The Top 10 Resources For Acrylic Nails Liquid Powder Based On Our ResearchThese guidelines are a consensus work of a considerable number of members of the immunology and flow cytometry community. They provide the theory and key practical aspects of flow cytometry enabling immunologists to avoid the common errors that often undermine immunological data. Notably, there are …Star Nail. Four-Sided Soft White Polar Block. $14.29. 1 Quantity Options. In-store Pickup. 100. ASP. Economy 3-Way Buffer. $2.69.monomer: [noun] a chemical compound that can undergo polymerization.monomer: [noun] a chemical compound that can undergo polymerization.* LIQUID MONOMER & NAIL PREPS * MIA SECRET * SNS BASIC * TONY LY * VALENTINO * VALENTINO ACRYLIC COVER POWDER * YOUNG NAIL; DIPPING POWDER * DIPPING POWDER - CLEAR - P&W * DIP ALL ESSENTIALS * SNS dipping powder colors * OPI dipping powder colors * LDS dipping powder colors * Kiara sky dipping powder colors * Nugenesis dipping powder colorsAmazon.com: MIA SECRET 4oz Liquid Monomer + 4oz Clear Acrylic Powder Nail Art System : Beauty & Personal Care Beauty & Personal Care › Foot, Hand & Nail Care › Nail Art & Polish › False Nails & Accessories › Acrylic Powders & Liquids › Acrylic Powders Enjoy fast, FREE delivery, exclusive deals and award-winning movies & TV shows with PrimeMake a good deal when shopping your New York Organic Infused Nail Treatment Strengthening Bamboo Cream. Klarna's easy Nail Strengtheners price comparison tools will help you find the lowest price!A comprehensive list of MSDS forms for all of Kiara Sky's products. Material Safety Data Sheets include ingredients and hazard identification for all products. KS products are cruelty free. View the profiles of people named Sally Monomer. Join Facebook to connect with Sally Monomer and others you may know. Facebook gives people the power to...Shop acrylic powder and acrylic liquid at sally beauty. Buy now, pay later with Klarna. Rewards; ... Monomer (3) Nail Dehydrators (3) Nail Primers (2) Base Coats (1 ...SDS. A material safety data sheet (MSDS) is a form with data regarding the properties of a particular substance. An important component of product stewardship and workplace safety, it is intended to provide workers and emergency personnel with procedures for handling or working with that substance in a safe manner, and includes information such ... 1. Nucleic acids include RNA and DNA. The monomers of these molecules are ____. 2. Phospholipid molecules in a membrane are arranged with their ______ on the exterior and their _____ on the interior. 3.A student measured the time required for a protein sample to be completely digested in the presence of an enzyme under different pH levels.Just Ask Sally Sally Favorites Trend Lookbook Pre-Fall Trends 2020 Pre-Fall Nail Care ... Monomer Liquid. $6.99 - $19.79 2 Size Options In-store Pickup 199. Star Nail. Four-Sided Soft White Polar Block. $14.29. 1 Quantity Options. In-store Pickup. 100. ASP. Economy 3-Way Buffer. $2.69.Nail Art & Polish › False Nails & Accessories › Acrylic Nail Tools $4099 ($40.99 / Count) FREE delivery August 9 - 10. Details Select delivery location In Stock Qty: 1 Buy Now Payment Secure transaction Ships from SALLY♥BEAUTY Sold by SALLY♥BEAUTY Returns Eligible for Refund or Replacement if damaged or defective Payment Secure transactionHowever, an analysis of 31 products sold between 1975 and 1981 revealed that this monomer was present in 9 of them. Patch testing with nail enamel may be performed by the covered or open method. However, open patch testing is recommended for nail enamel removers and cuticle removers due to their high volatile solvent concentrations.Shop Amazon for Acrylic Nail Kit Acrylic Powder and Liquid Set, Monomer Liquid Set with Nail Brush, Pink White Clear Nail Powder Kit for Acrylic Nails Extension Beginner Set and find millions of items, delivered faster than ever.About this item. Odorless Acrylic Nail Kit System is great for new acrylic nail users as well as seasoned acrylic nail experts. Acrylic powder is bubble-free, which strengthens and adds clarity to nails. Acrylic liquid contains optical enhancers which helps to prevent nail yellowing. * LIQUID MONOMER & NAIL PREPS * MIA SECRET * SNS BASIC * TONY LY * VALENTINO * VALENTINO ACRYLIC COVER POWDER * YOUNG NAIL; DIPPING POWDER * DIPPING POWDER - CLEAR - P&W * DIP ALL ESSENTIALS * SNS dipping powder colors * OPI dipping powder colors * LDS dipping powder colors * Kiara sky dipping powder colors * Nugenesis dipping powder colorsHighly unlikely, but will occur if large quantity of product comes in contact with an equally large quantity of monomer. 10.4 Conditions to Avoid: High heat 120 °F (48.8 °C) and proximity to monomers. (Large quantities only, e.g. > 1 gallon (3.785 liters)). 10.5 Incompatible Substances: Monomer.ethyl methacrylate (EMA) Ethyl methacrylate (EMA) is a type of acrylic monomer (liquid) that is used in most acrylic systems. According to Peter DeSantis of chemical manufacturer DeEnterprises, EMA is considered a methacrylic acid ethyl ester. It is the main ingredient in most nail acrylic monomers. Most legal acrylic monomers consist of EMA in ... See all related content →. monomer, a molecule of any of a class of compounds, mostly organic, that can react with other molecules to form very large molecules, or polymers. The essential feature of a monomer is polyfunctionality, the capacity to form chemical bonds to at least two other monomer molecules. Bifunctional monomers can form only ... See all related content →. monomer, a molecule of any of a class of compounds, mostly organic, that can react with other molecules to form very large molecules, or polymers. The essential feature of a monomer is polyfunctionality, the capacity to form chemical bonds to at least two other monomer molecules. Bifunctional monomers can form only ... Nail Lamp, UV Lamp, LED Lamp, 48. Compare prices from $23.99 to $61.99. Popularity . 7 . inDiscover short videos related to best sallys monomer on TikTok. Watch popular content from the following creators: Slayedbyseyy(@seylahh), Gianna Marie(@ggmarieee), Sophia 🤍(@sophiaxo77), Love.krista💋(@love.kristamauro), Colleen Brown(@colleenbrownnnn), Colleen Brown(@colleenbrownnnn), Jasmine 💕(@juicyjasofficial), Jennifer Godina(@jennyxo_x), Kk kray 👑(@kkrystallynn), Diana Lynn ...mia secret monomer sally'smatte black straight shower arm. steel frame bike ireland. by . intex camo river run i tube ...About this item . MOROVAN PROFESSIONAL ACRYLIC NAIL KIT FOR BEGINNERS: This acrylic nail kit with everything comes in 3 colors acrylic powder, monomer acrylic nail liquid, 3 sizes acrylic nail brushes and other acrylic nail tools supplies, so you can create a protective layer to strengthen your own natural nails, long-lasting for 3-5 weeks.About this item . MOROVAN PROFESSIONAL ACRYLIC NAIL KIT FOR BEGINNERS: This acrylic nail kit with everything comes in 3 colors acrylic powder, monomer acrylic nail liquid, 3 sizes acrylic nail brushes and other acrylic nail tools supplies, so you can create a protective layer to strengthen your own natural nails, long-lasting for 3-5 weeks. The unique, cross-linking patented technology in our liquids & powders helped revolutionize the professional nail industry. We understand your need for products that create flexible, thin, resilient nail enhancements that suit your clients’ many needs and we are confident our products will deliver great results.Discover short videos related to best sallys monomer on TikTok. Watch popular content from the following creators: Slayedbyseyy(@seylahh), Gianna Marie(@ggmarieee), Sophia 🤍(@sophiaxo77), Love.krista💋(@love.kristamauro), Colleen Brown(@colleenbrownnnn), Colleen Brown(@colleenbrownnnn), Jasmine 💕(@juicyjasofficial), Jennifer Godina(@jennyxo_x), Kk kray 👑(@kkrystallynn), Diana Lynn ...What is it? No Lift Nails Monomer Liquid Features a sun block that filters out harmful UV rays which can cause yellowing. Ensures less buffing and less finishing work with optimum results. What makes it special? Allows "wetbrush" application for a better finish Less buffing and less finishing work monomer, a molecule of any of a class of compounds, mostly organic, that can react with other molecules to form very large molecules, or polymers. The essential feature of a monomer is polyfunctionality, the capacity to form chemical bonds to at least two other monomer molecules. Bifunctional monomers can form only linear, chainlike polymers ...Make a good deal when shopping your Cuccio Match Makers Set Quilty As Charged. Klarna's easy Gift Boxes & Sets price comparison tools will help you find the lowest price!MATERIAL SAFETY DATA SHEET CND-N-140 Prepared to OSHA, ACC, ANSI, NOHSC, WHMIS & 2001/58 EC Standards MSDS Revision: 1.6 MSDS Revision Date: 03/17/2010Mia Secret Store Liquid Monomer Professional Acrylic Nail System, 32 oz Liquid, 946 ml: Advanced, blended, EMA, liquid monomer with a non-yellowing formula for cleaner-looking nails; Provides flexibility, adhesion and absorption when combined with Mia Secret Acrylic Powders; Professional acrylic nail system prevents discolorationAfter hours researching and comparing all models on the market, we find out the Best Nail Monomer of 2023. Check our ranking below. 2,367 Reviews Scanned. Sale Rank No. #1. 8 oz Mia Secret Liquid Monomer - Professional Acrylic Nail Liquid for Acrylic Powder - EMA monomer - Nail Monomer liquid - ema monomer acrylic nail liquid. EMA FORMULA ... Here Are The Top 10 Resources For Acrylic Nails Liquid Powder Based On Our Research Here Are The Top 10 Resources For Acrylic Nails Liquid Powder Based On Our ResearchExo Supply. Pure Non-Acetone Nail Polish Remover 4oz. $7.69. 2 scent Options. In-store Pickup. 17. Beauty Secrets. Nail Polish Thinner. $3.99. About this item. Odorless Acrylic Nail Kit System is great for new acrylic nail users as well as seasoned acrylic nail experts. Acrylic powder is bubble-free, which strengthens and adds clarity to nails. Acrylic liquid contains optical enhancers which helps to prevent nail yellowing. SDS. Acetone. Airshield. Attract Primer. Attraction Crystal Clear Powder. Attraction Extreme Pink. Attraction Nail Liquid. Attraction Peach Blush Powder. Attraction Perfect Pink Powder.Western blotting is an important technique used in cell and molecular biology. By using a western blot, researchers are able to identify specific proteins from a complex mixture of proteins extracted from cells. The technique uses three elements to accomplish this task: (1) separation by size, (2) t …We would like to show you a description here but the site won’t allow us.Mia Secret Store Liquid Monomer Professional Acrylic Nail System, 32 oz Liquid, 946 ml: Advanced, blended, EMA, liquid monomer with a non-yellowing formula for cleaner-looking nails; Provides flexibility, adhesion and absorption when combined with Mia Secret Acrylic Powders; Professional acrylic nail system prevents discolorationMonomer Liquid. OZ | Item NOLIFT3. $6.99 - $19.79. 199. Select Size: 1 oz. (California Only) 4 oz. This item earns at least 70 points! See details.Sally Hansen Miracle Gel Merry and Bright Collection Gingerbread Man-icure - 0.5 fl oz. $7.49 ... MSDS (Material Safety Data Sheets) Forms that provide safety guidelines for use of professional products; MSDS are required by state and federal law to be distributed by all manufacturers and distributors under the OSHA Hazard Communication Standard 29 CFR 1910.1200; nail technicians should keep MSDS easily accessible for each product they use ... Make a good deal when shopping your L.A. COLORS Gel Nail Polish, Mademoiselle. Klarna's easy Gel Polishess price comparison tools will help you find the lowest price!Clear Bonding Acrylic Powder. $20.89 - $32.99. 2 Size Options. In-store Pickup. 119. No Lift Nails. Monomer Liquid. $6.99 - $19.79. 2 Size Options. monomer. : A GUI library for writing native Haskell applications. Monomer is an easy to use, cross platform, GUI library for writing native Haskell applications. It provides a framework similar to the Elm Architecture, allowing the creation of GUIs using an extensible set of widgets with pure Haskell.

* LIQUID MONOMER & NAIL PREPS * MIA SECRET * SNS BASIC * TONY LY * VALENTINO * VALENTINO ACRYLIC COVER POWDER * YOUNG NAIL; DIPPING POWDER * DIPPING POWDER - CLEAR - P&W * DIP ALL ESSENTIALS * SNS dipping powder colors * OPI dipping powder colors * LDS dipping powder colors * Kiara sky dipping powder colors * Nugenesis dipping powder colors . Can you make reservations at applebeepercent27s

monomer sally

About this item. Odorless Acrylic Nail Kit System is great for new acrylic nail users as well as seasoned acrylic nail experts. Acrylic powder is bubble-free, which strengthens and adds clarity to nails. Acrylic liquid contains optical enhancers which helps to prevent nail yellowing. Monomer. In chemistry, a monomer ( / ˈmɒnəmər / MON-ə-mər; mono-, "one" + -mer, "part") is a molecule that can react together with other monomer molecules to form a larger polymer chain or three-dimensional network in a process called polymerization. [1] [2] [3] Monomer molecule: A molecule which can undergo polymerization, thereby ...About this item . 💝 MOROVAN PROFESSIONAL ACRYLIC NAIL KIT FOR BEGINNERS: This acrylic nail kit with everything comes in 3 colors acrylic powder, , 3 sizes acrylic nail brushes and other acrylic nail tools supplies, so you can create a protective layer to strengthen your own natural nails, long-lasting for 3-5 weeks. About this item . 💜 MOROVAN MONOMER ACRYLIC NAIL LIQUID 4OZ: Morovan professional monomer acrylic nail liquid and acrylic nail brush size 10, usually used with acrylic powder (not included), creates a protective layer, strengthening your natural nails, and promotes stronger nails without split or peel. We would like to show you a description here but the site won’t allow us.Nail Art & Polish › False Nails & Accessories › Acrylic Nail Tools $4099 ($40.99 / Count) FREE delivery August 9 - 10. Details Select delivery location In Stock Qty: 1 Buy Now Payment Secure transaction Ships from SALLY♥BEAUTY Sold by SALLY♥BEAUTY Returns Eligible for Refund or Replacement if damaged or defective Payment Secure transactionMake a good deal when shopping your CND Shellac UV Gel Nail Polish. Klarna's easy Gel Polishess price comparison tools will help you find the lowest price!Acrylic Nail Liquid. 2 OZ | Item SBS-164434. $13.69. 162. This item earns at least 140 points! See details. In-Store Pickup. However, an analysis of 31 products sold between 1975 and 1981 revealed that this monomer was present in 9 of them. Patch testing with nail enamel may be performed by the covered or open method. However, open patch testing is recommended for nail enamel removers and cuticle removers due to their high volatile solvent concentrations.Find the lowest prices on Monomer See 29 top models in online shops at Klarna US Discover online shopping deals easily Shop acrylic powder and acrylic liquid at sally beauty. Buy now, pay later with Klarna. Rewards; ... Monomer (3) Nail Dehydrators (3) Nail Primers (2) Base Coats (1 ...A molecule is nothing but a group of two or more atoms held together by chemical bonds. Commonly found polymers include carbohydrates, lipids or proteins, and are all made of repeating monomer units. Carbohydrate monomers called monosaccharides are composed of units of glucose and fructose. Lipids are similarly made of fatty acids and glycerol.BALB/c mice of 6–8-week-old female were immunized with 1–10 μg SARS-CoV-2 RBD trimer or monomer protein, intramuscularly, at weeks 0 and 4 with either aluminum hydroxide (100 µg) or Alum- 3M ...Western blotting is an important technique used in cell and molecular biology. By using a western blot, researchers are able to identify specific proteins from a complex mixture of proteins extracted from cells. The technique uses three elements to accomplish this task: (1) separation by size, (2) t …Beauty Secrets. Medium Coarse Black Cushion Nail File. $1.09 - $32.99. 2 Quantity Options. In-store Pickup. 133. Medicool. Mani-Vac 2 Dust Capture System. $1,299.00.More info Reviews Monomer Clear (Transparent Monomer) 100 ml. Acrylic fluid based on ethylmethalylate. Does not contain methylmethalylate. The content of a significant percentage of plasticizers guarantees the creation of thinner, more elastic and durable nails. Does not harm the nail plate. Transparent monomer: * increases acrylic plasticity; MATERIAL SAFETY DATA SHEET CND-N-140 Prepared to OSHA, ACC, ANSI, NOHSC, WHMIS & 2001/58 EC Standards MSDS Revision: 1.6 MSDS Revision Date: 03/17/2010After hours researching and comparing all models on the market, we find out the Best Nail Monomer of 2023. Check our ranking below. 2,367 Reviews Scanned. Sale Rank No. #1. 8 oz Mia Secret Liquid Monomer - Professional Acrylic Nail Liquid for Acrylic Powder - EMA monomer - Nail Monomer liquid - ema monomer acrylic nail liquid. EMA FORMULA ... Find the lowest prices on Monomer See 29 top models in online shops at Klarna US Discover online shopping deals easily .

Popular Topics