Digitizing the Appearance of 3D Printing Materials Using a Spectrophotometer.

The conventional approach to appearance prediction for 3D printed parts is to print a thin slab of material and measure its reflectance or transmittance with a spectrophotometer. Reflectance works for opaque printing materials. Transmittance works for transparent printing materials.

Empirical BRDF Model for Goniochromatic Materials and Soft Proofing With Reflective Inks.

The commonly used analytic bidirectional reflectance distribution functions (BRDFs) do not model goniochromatism, that is, angle-dependent material color. The material color is usually defined by a diffuse reflectance spectrum or RGB vector and a specular part based on a spectral complex index of refraction. Extension of the commonly used BRDFs based on wave theory can help model goniochromatism, but this comes at the cost of significant added model complexity.

Living versus deceased kidney transplantation: Comparison of complications.

Introduction: It is assumed that the outcome of kidney transplantation from living donors is more favorable than deceased donors. However, over the years there has been an overall improvement in transplant survival from both living and deceased donors. In this article we have evaluated and compared the most recent results in living and deceased donor kidney transplantations.

Prophylactic postoperative condom sheet placement: A randomized clinical trial to test a new concept.

Objective: Postoperative urinary retention (POUR) is one of the most common complications after surgery with several risk factors. However, its precise etiology is not completely understood. So far, the effect of prophylactic condom sheet placement on the prevention of POUR has not been addressed.

Systemic effects of starved fibroblast culture supernatant on immunosuppressed rats treated with cancer stem cells (LA7).

Background: The present study aimed to investigate and compare the effect of starved fibroblast culture supernatant (SFS), DMEM and normal saline alone or along with LA7 on dexamethasone-treated immunosuppressed Wistar rats.

Methods: After the isolation of fibroblasts from the fresh foreskin of children, it was cultured in serum-free DMEM, and the supernatant collected after 16 hours (16h-SFS). This solution and the other treatments were injected subcutaneously into the rats from each group once daily for 14 days.