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Gel absorbant diaper

Liangpo Liu, Tongwei Xia, Xueqin Zhang, Dana Boyd Barr, Ambreen Alamdar, Jie Zhang, Meiping Tian, Qingyu Huang, Heqing Shen
Infant exposure to endocrine disruptors (EDs) may cause adverse health effects because of their fast growth and development during this life stage. However, collecting urine from infants for exposure assessment using biological monitoring is not an easy task. For this purpose, we evaluated the feasibility of using urine expressed from disposable gel absorbent diapers (GADs) as a matrix for biomonitoring selected phenolic EDs. GADs urine was expressed with the assistance of CaCl(2) and was collected using a device fabricated in our laboratory...
August 2014: Analytical and Bioanalytical Chemistry
Pooja Chawla, Alok Ranjan Srivastava, Priyanka Pandey, Viney Chawla
Hydrogels are the biomaterials comprising network of natural or synthetic polymers capable of absorbing large amount of water. Hydrogels are "Smart Gels" or "Intelligent Gels" which can be made to respond to the various environmental conditions like temperature, pH, magnetic/electric field, ionic strength, inflammation, external stress etc. There are numerous potential applications of hydrogels in modern day life ranging from a diaper to gene delivery. This review succinctly describes the classification, properties and preparation methods along with numerous diverse applications of hydrogels like agricultural hydrogels, hydrogel for drug delivery, sensing, dental adhesives, wound healing and tissue regeneration, diet aid and gastric retention and in tissue engineering etc...
February 2014: Mini Reviews in Medicinal Chemistry
Liangpo Liu, Tongwei Xia, Lihua Guo, Lanyu Cao, Benhua Zhao, Jie Zhang, Sijun Dong, Heqing Shen
The urinary metabolites of phthalates are well-accepted exposure biomarkers for adults and children older than 6 years but are not commonly used for infants owing to non-convenient sampling. In the light of this situation, a novel sampling method based on monitoring the urine expressed from the gel diaper was developed. The urine was expressed from the gel absorbent after mixing the absorbent with CaCl(2) and then collected by a laboratory-made device; the urinary phthalate metabolites were extracted and cleaned using a solid-phase extraction (SPE) column and analyzed with high-performance liquid chromatography-electrospray ionization-tandem mass spectrometry / mass spectrometry...
November 2012: Journal of Exposure Science & Environmental Epidemiology
Adam J Flisser, Johanna Figueroa, Clifford B Bleustein, Georgia Panagopoulos, Jerry G Blaivas
AIMS: To present a simple, cost-effective, and convenient method of home pad test using the mail system and evaluating change in pad weight over time. MATERIALS AND METHODS: A series of nine kinds of commonly available commercial brands of urinary incontinence pads ranging from thin liners less than 10 g in dry weight to large diapers weighing over 100 g each were assembled. Two or three of each variety were individually weighed on an OHAUS LS2000 Portable Standard scale accurate to +/- 1 g...
2004: Neurourology and Urodynamics
B Holaday, G Waugh, V E Moukaddem, J West, S Harshman
OBJECTIVES: Cloth diapers with front closure and all-in-one design were compared with paper diapers containing absorbent gel material for their influence on fecal contamination of the environment in licensed child day care centers. METHODS: One infant room and two toddler rooms in each of four day care centers were monitored for the presence of fecal bacteria. Microbial samples were taken from the play/sleep area, the diaper-changing area, and the hands of the caregivers and the children...
January 1995: American Journal of Public Health
J L Seymour, B H Keswick, M C Milligan, W P Jordan, J M Hanifin
Atopic dermatitis (AD) is an inherited cutaneous inflammatory condition which may affect 10% of infants. Persons with this diathesis are more susceptible to irritants and to superficial infections. Little is known about diaper rash and diapering materials in AD. In this study we set firm criteria to identify a large group of infants with AD for comparison with a nonatopic, normal control group in terms of severity of diaper dermatitis; relationship of diaper dermatitis to diaper materials; and influence of modifying factors (bacterial and candidal colonization/infection, diarrhea, antibiotics, other illnesses, food allergy or intolerance)...
1987: Pediatrician
R L Campbell
Etiologic factors in the development of episodic diaper dermatitis include skin wetness and skin damage from fecal enzymes. In addition, when urine and feces mix, the activities of fecal enzymes increase as the pH rises from production of ammonia. An improved disposable diaper has been developed to provide better control of these factors by improved wetness and pH control. The improved diaper contains absorbent gelling materials (AGMs) blended into the diaper's cellulose core. AGMs are nontoxic, cross-linked polyacrylate polymers...
1987: Pediatrician
J L Seymour, B H Keswick, J M Hanifin, W P Jordan, M C Milligan
Cloth diapers, cellulose core diapers (conventional disposable diapers), and cellulose core diapers containing absorbent gelling material were examined for their effects on diaper rash and skin microbiology of normal infants and infants with atopic dermatitis in a 26-week double-blind clinical trial. Infants with atopic dermatitis wearing the diapers containing absorbent gelling material had significantly lower diaper rash grades than infants with atopic dermatitis wearing cloth diapers at five of eight grading visits...
December 1987: Journal of the American Academy of Dermatology
R L Campbell, J L Seymour, L C Stone, M C Milligan
Disposable infant diapers with absorbent gelling material (cross-linked sodium polyacrylates) incorporated into the core were clinically evaluated for their effect on infant skin condition. Absorbent gelling materials tightly hold water and provide pH control by a buffering capacity as well as by helping to segregate urine apart from feces. Four clinical studies were conducted with each following a rigid protocol that controlled for variables of diet and age in addition to the diaper material that may influence the development of diaper dermatitis and helped to control for any inherent bias in the study...
December 1987: Journal of the American Academy of Dermatology
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