نتایج جستجو برای: sodium cmc

تعداد نتایج: 191558  

2016
Jason J. Nichols Christopher W. Lievens Marc R. Bloomenstein Haixia Liu Peter Simmons Joseph Vehige

PURPOSE This study compared a new contact lens rewetting drop containing both carboxymethylcellulose and hyaluronic acid (CMC-HA) with a standard drop containing carboxymethylcellulose only (CMC). Symptoms of discomfort typical in lens wear and lid wiper epitheliopathy (LWE) were assessed over a 3-month period in a diverse sample of contact lens wearers. METHODS Adapted daily-wear contact len...

Journal: :Colloids and interfaces 2023

The binding of linear diamine counterions with different methylene chain lengths to the amino-acid-based surfactants undecanoic L-isoleucine (und-IL) and L-norleucine (und-NL) was investigated NMR spectroscopy. studied were 1,2-ethylenediamine, 1,3-diaminopropane, 1,4-diaminobutane, 1,5-diaminopentane, 1,6-diaminohexane. These all diamines varying spacer between two amine functional groups. sod...

Journal: :Cellulose 2021

Different topical hemostatic materials are used to achieve effective hemostasis. High activity, biocompatibility, bioresorbability, and easy manipulation be expected in such a developed product. In the surgical world with these specific requirements, finding proper agent is very difficult. The study compared several of various construction properties, which were assessed for structural related ...

2010
Amit Kumar Nayak Biswaranjan Mohanty Kalyan Kumar Sen

The comparative in vitro skin permeability of diclofenac sodium through excised mouse skin from different common pharmaceutical vehicles like castor oil, olive oil, arachis oil, liquid paraffin, white soft paraffin melt, 3% sodium carboxymethyl cellulose (CMC) aqueous gel and isopropyl myristate (IPM), excluding other excipients was evaluated. Significantly (p < 0.05) higher flux of diclofenac ...

Journal: :Carbohydrate polymers 2013
M Hashem S Sharaf M M Abd El-Hady A Hebeish

New approach for preparation of CMC hydrogels was undertaken through reacting CMC with either malic, succinic or citric acid. Characteristics of the hydrogels, as monitored by the swelling behavior, FTIR, SEM, EDX, TEM and XRD were dependent on nature and concentration of the polycarboxylic acid, time and temperature of curing. The best practice achieved from these studies was harnessed to synt...

2015
Harri Piitulainen Alberto Botter Mathieu Bourguignon Veikko Jousmäki Riitta Hari

19 Cortex–muscle coherence (CMC) reflects coupling between magnetoencephalography (MEG) 20 and surface electromyography (sEMG), being strongest during isometric contraction, but absent, 21 for unknown reasons, in some individuals. 22 We used a novel non-magnetic high-density sEMG (HD-sEMG) electrode grid (36 mm x 12 23 mm; 60 electrodes separated by 3 mm) to study effects of sEMG recording site...

2004
Hideyuki Kawabata Mutsumi Suzuki Toshiaki Kitamura

We present a matrix language compiler CMC which translates annotated MATLAB scripts into Fortran 90 programs. Distinguishing features of CMC include its applicability to programs with sparse matrix computations and its capability of source-level optimization in MATLAB language. Different from other existing similar translators, CMC has an ability to generate codes based on information on the sh...

2013
Jay G. Berry Rishi K. Agrawal Eyal Cohen Dennis Z. Kuo

Children with medical complexity (CMC) are an important group of children who have multifaceted clinical and functional needs that can be challenging to manage and treat in the current health care system. Although there is no standard definition of medical complexity, four cardinal domains characterize CMC: 1) chronic, severe health conditions; 2) substantial health service needs; 3) major func...

Journal: :Electroanalysis 2023

Abstract This work presents a potentiometric approach for the detection of two cathinone derivatives, namely mephedrone (4‐MMC) and clephedrone (4‐CMC). Contrary to neutral‐carriers (dibenzo‐18‐crown‐6‐ether calix[4]arene), cation‐exchanger (tetraphenylborate sodium) as active component ion‐selective membrane showed near‐Nernstian response (+47 mV/decade from 1.7 ⋅ 10 −6 5.6 −4 mol l −1 ) selec...

2015
Su Yeon Lee Sumi Bang Sumi Kim Seong Yeon Jo Bum-Chul Kim Yunjae Hwang Insup Noh

BACKGROUND Cellulose and its derivatives such as carboxymethyl cellulose (CMC) have been employed as a biomaterial for their diverse applications such as tissue engineering, drug delivery and other medical materials. Porosity of the scaffolds has advantages in their applications to tissue engineering such as more cell adhesion and migration leading to better tissue regeneration. After synthesis...

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