Results 221 to 230 of about 2,121 (283)

A General Workflow for Tangential Flow Filtration Perfusion Scale‐Up

Biotechnology and Bioengineering, EarlyView.
ABSTRACT Tangential flow filtration (TFF) perfusion using hollow‐fiber modules offers substantial advantages over other mammalian cell retention technologies. Recently, increased awareness of Starling flow has helped to enhance filtration performance to similar, or even higher levels compared to alternative technologies.
Patrick Romann, Ken Lee, Venkatesh Natarajan, Daniel Ley, Claes Nymand Nilsson, David Garcia‐Munzer, Dominik Schieman, Mahbod Hajighasemi, Alex Zaytsev, Jason Friedman, Loic Chappuis, Tobias Habicher, Colin Jaques, Alex Cohen, Matthew Gagnon, Edward Chan, Daniel J. Karst, Philip Giller, Antony Sibilia, Andrew L. Zydney, Thomas K. Villiger   +20 more
wiley   +1 more source

Experimental investigation of tensile properties and fracture behavior of ophthalmic sutures under straight, knotted, and looped configurations: Vicryl, nylon, and polypropylene. [PDF]

PLoS One
Dalai R, S V, N S H C S, J V, M R, B S, C V.   +6 more
europepmc   +1 more source

Effects of polypropylene micro- and nanoplastics from surgical masks in amphibian and echinoderm models. [PDF]

Ecotoxicology
Bacchetta R, Vacchelli C, Pica A, Saliu F, Maggioni D, Bonasoro F, Santo N, Tremolada P, Sugni M.   +8 more
europepmc   +1 more source

Inverted tunnel scleral fixation technique for dropped intraocular lens complex: the double-flanged suture method. [PDF]

Arq Bras Oftalmol
Doganay S, Erdem D, Doganay D, Kiristioglu MO.   +3 more
europepmc   +1 more source

Emission Integral Effect on Non-Invasive Blood Glucose Measurements Made Using Mid-Infrared Passive Spectroscopic Imaging. [PDF]

Sensors (Basel)
Anabuki D, Tahara S, Yano H, Nishiyama A, Wada K, Nishimura A, Ishimaru I.   +6 more
europepmc   +1 more source

Improvement of flotation-sieving method for extracting soil microplastics and delineating measurable particle-size fractions. [PDF]

Environ Geochem Health
Liao YJ, Chen ZY, Chen BC, Juang KW.
europepmc   +1 more source

Superhydrophobic Surfaces from Various Polypropylenes

Langmuir, 2008
Superhydrophobic surfaces were prepared from solutions of isotactic polypropylenes of various molecular weights using soft chemistry. Varying the conditions of the experiments (polymer concentration and initial amount of the coated solution) allowed us ...
David Seveno, Dimitri Ivanov, Michel Voué   +2 more
exaly   +2 more sources

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Microstructure of polypropylene

Progress in Polymer Science, 2001
Abstract For over thirty years after the discovery of stereoselective olefin polymerization in 1954, the word ‘polypropylene’ has meant, both scientifically and commercially, little else than the predominantly isotactic polymer achievable with the classical heterogeneous Ziegler–Natta catalysts.
BUSICO, VINCENZO, CIPULLO, ROBERTA
openaire   +3 more sources

Polypropylene

Ophthalmology, 1981
Polypropylene is a polymer widely used in lens implantation, both as a loop material and as an intracameral suture. The chemistry and qualities of this material are discussed. Predicated on its usage in other types of surgery, it appears to be resistant to degradation.
openaire   +2 more sources

Photodegradation of polypropylene and polypropylene containing pyrene

Polymer Photochemistry, 1983
Abstract The photodegradation of polypropylene (PP) and polypropylene containing pyrene (Py) as an additive has been studied by electron spin resonance (ESR), infra-red (IR) and ultra-violet (UV) absorption measurements. When PP film is irradiated with UV light at −196°C, alkyl-type radicals are produced.
Ayako Torikai, Kakuzo Suzuki, Kenji Fueki   +2 more
openaire   +1 more source