Editorial (Thematic Issue: New Developments in Conceptualization and Treatment of Obsessive Compulsive Related Disorders)

2014 ◽  
Vol 10 (4) ◽  
pp. 275-276
Author(s):  
Fugen Neziroglu ◽  
Dean McKay
Keyword(s):  
Thematic Issue ◽  
Obsessive Compulsive ◽  
New Developments

Introduction to the Special Issue: Complexities and New Developments in Adolescent Obsessive-Compulsive Related Disorders

2018 ◽  
Vol 17 (4) ◽  
pp. 191-194
Author(s):  
Fugen Neziroglu ◽  
Dean McKay
Keyword(s):  
Inhibitory Control ◽  
Response Prevention ◽  
Age Group ◽  
Special Issue ◽  
Obsessive Compulsive ◽  
Related Disorder ◽  
New Developments ◽  
Hoarding Disorder ◽  
Clinical Presentations ◽  
Wide Range

As readers of this special issue will see, the treatments provided in the Obsessive-Compulsive Related Disorder (OCRD) cases described are highly varied. The unifying feature would be better described as an age group rather than a breakdown in inhibitory control as speculated to be the primary unifying mechanism in the OCRD. It is encouraging that effective treatments are emerging for adolescents with OCRDs. Providers will do well to recognize that the appearance of the OCRD does not imply that a treatment for one disorder (i.e., exposure with response prevention [ERP] for OCD) will necessarily also provide relief for another condition in this class (i.e., for Trichotillomania [TM] or Hoarding Disorder [HD]). Instead, given the heterogeneity of these disorders, it comes as little surprise that the interventions are also varied, and providers will require training in a wide range of interventions embedded in sound clinical conceptualization (i.e., Tolin, 2016). It is hoped that these cases will spark additional research on clinical presentations of adolescents with OCRDs.

Quantitative nano-characterization of heterogeneous catalysts

1995 ◽  
Vol 53 ◽  
pp. 398-399
Author(s):  
P.A. Crozier ◽  
M. Pan
Keyword(s):  
Heterogeneous Catalysts ◽  
Low Dose ◽  
Imaging Techniques ◽  
Structural Features ◽  
Catalyst Characterization ◽  
New Developments ◽  
Double Phase ◽  
Phase Systems ◽  
Dose Imaging

Heterogeneous catalysts can be of varying complexity ranging from single or double phase systems to complicated mixtures of metals and oxides with additives to help promote chemical reactions, extend the life of the catalysts, prevent poisoning etc. Although catalysis occurs on the surface of most systems, detailed descriptions of the microstructure and chemistry of catalysts can be helpful for developing an understanding of the mechanism by which a catalyst facilitates a reaction. Recent years have seen continued development and improvement of various TEM, STEM and AEM techniques for yielding information on the structure and chemistry of catalysts on the nanometer scale. Here we review some quantitative approaches to catalyst characterization that have resulted from new developments in instrumentation.HREM has been used to examine structural features of catalysts often by employing profile imaging techniques to study atomic details on the surface. Digital recording techniques employing slow-scan CCD cameras have facilitated the use of low-dose imaging in zeolite structure analysis and electron crystallography. Fig. la shows a low-dose image from SSZ-33 zeolite revealing the presence of a stacking fault.

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