395 Rock Gardening in Oklahoma

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A major technical hurdle in microfluidics is the difficulty in achieving high fidelity lithographic patterning on polydimethylsiloxane (PDMS). Here, we report a simple yet highly precise and repeatable PDMS surface micromachining method using direct photolithography followed by reactive ion etching (RIE). Our method to achieve surface patterning of PDMS applied an O2 plasma treatment to PDMS to...

NpgRJ_NI_1571 388..395

Beyond its established function in hematopoiesis, the bone marrow hosts mature lymphocytes and acts as a secondary lymphoid organ in the initiation of T cell and B cell responses. Here we report the characterization of bone marrow–resident dendritic cells (bmDCs). Multiphoton imaging showed that bmDCs were organized into perivascular clusters that enveloped blood vessels and were seeded with ma...

Emergency Gardening

About a year ago one of the neuro-psychiatric Emergency Hospitals ? added gardening to its other branches of occupational therapy. It has been suggested that my experiences during that year might be of interest to those engaged in, or about to undertake, similar work. As I consider that a number of rather vague general statements without chapter and verse are almost valueless, I have?in this ar...

On Gardening

for most things to develop their full capacity and prove their suitability or lack of it. A lot can go wrong. Trees that cast a large area of shade for smaller subjects or come into conflict with others through overcrowding ought to have been given more room or perhaps put to the east side when they should have been put to the west to protect others from the prevailing wind. But if one assumes ...