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Chemistry
New in Chemistry (page 20 of 23)
Jun 29, 2006 | 10:44 AM CDT
Effect of Oil Type on Stability of W/O/W Emulsions
By: Özgen Özer and Burcu Aydın, Ege University, Fa…
The behavior of the w/o/w emulsion system and the stability of the oil membrane depend on the type of oil used to make the emulsion. Conductimetric analysis of the release of entrapped marker magnesium sulfate showed that the highest release of the marker occurred in emulsions based on oils from the triglyceride group. Emulsions based on hydrocarbon oils showed the best stability.
Jun 29, 2006 | 10:34 AM CDT
Rationalizing and Producing Nanoemulsions for Personal Care
By: Shrinivas C. Kothekar, Jyotsna T. Waghmare, Sh…
This review describes the principles of nanoemulsion formation and stability. Advantages of nanoemulsions for personal care and challenges with the lack of progress in nanoemulsions are discussed.
Jun 20, 2006 | 01:03 PM CDT
Crossword Puzzle Brain Teaser
Industry expert Ken Klein tests your formulating knowledge with this fun crossword puzzle teaser.
Jun 20, 2006 | 12:20 PM CDT
Exclusive! Comparatively Speaking: Bacteriostatic vs. Bacteriocidal by Tony O'Lenick
Industry expert Tony O’Lenick explains the difference between a bacteriostatic and bacteriocidal.
Jun 06, 2006 | 08:50 AM CDT
Exclusive! Comedic Chemistry by Ken Klein
Industry expert Ken Klein brings a little humor to the bench with a few chemistry jokes.
Jun 01, 2006 | 11:05 AM CDT
Inhibiting Melanin Formation
By: Charles Fox, Independent Consultant
Nikko Chemicals Co., Ltd. discloses melanin-formation inhibitors useful for skin-lightening topical compositions.9 The inhibitors contain phospholipids and glycolytic pathway products with the exception of lactic acid and ethyl alcohol. An example of such a cosmetic lotion is shown in Formula 3, which showed significant melanin formation inhibitory effect on human skin after UVB irradiation.
May 22, 2006 | 04:32 PM CDT
What's Wrong with this Formula?
This water resistant SPF 45 lotion has been created by Ken Klein and contains more than 10 errors. how many can you find?
May 07, 2006 | 10:34 PM CDT
What's Wrong With This Formula?
This SPF 45 lotion by Ken Klein has numerous errors. Can you find them?
May 01, 2006 | 11:08 AM CDT
Technically Speaking--Acid-type Hair Color
By: Charles Fox
Ajinomoto Co. Inc. discloses an inflammation inhibitor containing the zinc salt of acylamino acid intended to provide a good texture in use on skin.
May 01, 2006 | 10:56 AM CDT
Understanding Silicone
By: Anthony J. O'Lenick, Jr., Siltech LLC
Understanding silicones requires understanding the three operations used to make them: construction, functionalization and derivatization. These operations are explained and illustrated, respectively, with dimethicone, PEG-8 dimethicone and dimethicone copolyol silicone esters. In addition, structure-function relationships are explained.